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| author | Ingo Molnar <mingo@kernel.org> | 2021-10-16 15:17:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-10-16 15:17:46 +0200 |
| commit | 082f20b21de20285da2cbfc1be29656f0714c1b8 (patch) | |
| tree | 6170af99f1491fe256351b9cf92725dbda79c153 | |
| parent | 724fc0248d450224b19ef5b5ee41e392348f6704 (diff) | |
| parent | b2381acd3fd9bacd2c63f53b2c610c89959b31cc (diff) | |
| download | lwn-082f20b21de20285da2cbfc1be29656f0714c1b8.tar.gz lwn-082f20b21de20285da2cbfc1be29656f0714c1b8.zip | |
Merge branch 'x86/urgent' into x86/fpu, to resolve a conflict
Resolve the conflict between these commits:
x86/fpu: 1193f408cd51 ("x86/fpu/signal: Change return type of __fpu_restore_sig() to boolean")
x86/urgent: d298b03506d3 ("x86/fpu: Restore the masking out of reserved MXCSR bits")
b2381acd3fd9 ("x86/fpu: Mask out the invalid MXCSR bits properly")
Conflicts:
arch/x86/kernel/fpu/signal.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
1267 files changed, 13740 insertions, 7448 deletions
@@ -971,6 +971,7 @@ D: PowerPC N: Daniel Drake E: dsd@gentoo.org D: USBAT02 CompactFlash support in usb-storage +D: ZD1211RW wireless driver S: UK N: Oleg Drokin diff --git a/Documentation/admin-guide/README.rst b/Documentation/admin-guide/README.rst index 35314b63008c..caa3c09a5c3f 100644 --- a/Documentation/admin-guide/README.rst +++ b/Documentation/admin-guide/README.rst @@ -259,7 +259,7 @@ Configuring the kernel Compiling the kernel -------------------- - - Make sure you have at least gcc 4.9 available. + - Make sure you have at least gcc 5.1 available. For more information, refer to :ref:`Documentation/process/changes.rst <changes>`. Please note that you can still run a.out user programs with this kernel. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 91ba391f9b32..43dc35fe5bc0 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1266,7 +1266,7 @@ The VGA and EFI output is eventually overwritten by the real console. - The xen output can only be used by Xen PV guests. + The xen option can only be used in Xen domains. The sclp output can only be used on s390. diff --git a/Documentation/core-api/irq/irq-domain.rst b/Documentation/core-api/irq/irq-domain.rst index 6979b4af2c1f..9c0e8758037a 100644 --- a/Documentation/core-api/irq/irq-domain.rst +++ b/Documentation/core-api/irq/irq-domain.rst @@ -175,9 +175,10 @@ for IRQ numbers that are passed to struct device registrations. In that case the Linux IRQ numbers cannot be dynamically assigned and the legacy mapping should be used. -As the name implies, the *_legacy() functions are deprecated and only +As the name implies, the \*_legacy() functions are deprecated and only exist to ease the support of ancient platforms. No new users should be -added. +added. Same goes for the \*_simple() functions when their use results +in the legacy behaviour. The legacy map assumes a contiguous range of IRQ numbers has already been allocated for the controller and that the IRQ number can be diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml b/Documentation/devicetree/bindings/arm/tegra.yaml index b962fa6d649c..d79d36ac0c44 100644 --- a/Documentation/devicetree/bindings/arm/tegra.yaml +++ b/Documentation/devicetree/bindings/arm/tegra.yaml @@ -54,7 +54,7 @@ properties: - const: toradex,apalis_t30 - const: nvidia,tegra30 - items: - - const: toradex,apalis_t30-eval-v1.1 + - const: toradex,apalis_t30-v1.1-eval - const: toradex,apalis_t30-eval - const: toradex,apalis_t30-v1.1 - const: toradex,apalis_t30 diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml index 07b20383cbca..b446d0f0f1b4 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml @@ -50,7 +50,6 @@ properties: data-lanes: description: array of physical DSI data lane indexes. minItems: 1 - maxItems: 4 items: - const: 1 - const: 2 @@ -71,7 +70,6 @@ properties: data-lanes: description: array of physical DSI data lane indexes. minItems: 1 - maxItems: 4 items: - const: 1 - const: 2 diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml index 1c2daf7c24cc..911564468c5e 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml @@ -18,7 +18,7 @@ properties: const: ti,sn65dsi86 reg: - const: 0x2d + enum: [ 0x2c, 0x2d ] enable-gpios: maxItems: 1 diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt index fbb59c9ddda6..78044c340e20 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt @@ -9,7 +9,7 @@ function block. All DISP device tree nodes must be siblings to the central MMSYS_CONFIG node. For a description of the MMSYS_CONFIG binding, see -Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt. +Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml. DISP function blocks ==================== diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml index 2ed010f91e2d..20ce88ab4b3a 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml @@ -22,7 +22,7 @@ properties: items: - enum: # ili9341 240*320 Color on stm32f429-disco board - - st,sf-tc240t-9370-t + - st,sf-tc240t-9370-t - const: ilitek,ili9341 reg: true diff --git a/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml b/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml index 29de7807df54..bcd41e491f1d 100644 --- a/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml +++ b/Documentation/devicetree/bindings/interconnect/qcom,sdm660.yaml @@ -31,11 +31,11 @@ properties: clocks: minItems: 1 - maxItems: 3 + maxItems: 7 clock-names: minItems: 1 - maxItems: 3 + maxItems: 7 required: - compatible @@ -72,6 +72,32 @@ allOf: contains: enum: - qcom,sdm660-a2noc + then: + properties: + clocks: + items: + - description: Bus Clock. + - description: Bus A Clock. + - description: IPA Clock. + - description: UFS AXI Clock. + - description: Aggregate2 UFS AXI Clock. + - description: Aggregate2 USB3 AXI Clock. + - description: Config NoC USB2 AXI Clock. + clock-names: + items: + - const: bus + - const: bus_a + - const: ipa + - const: ufs_axi + - const: aggre2_ufs_axi + - const: aggre2_usb3_axi + - const: cfg_noc_usb2_axi + + - if: + properties: + compatible: + contains: + enum: - qcom,sdm660-bimc - qcom,sdm660-cnoc - qcom,sdm660-gnoc @@ -91,6 +117,7 @@ examples: - | #include <dt-bindings/clock/qcom,rpmcc.h> #include <dt-bindings/clock/qcom,mmcc-sdm660.h> + #include <dt-bindings/clock/qcom,gcc-sdm660.h> bimc: interconnect@1008000 { compatible = "qcom,sdm660-bimc"; @@ -123,9 +150,20 @@ examples: compatible = "qcom,sdm660-a2noc"; reg = <0x01704000 0xc100>; #interconnect-cells = <1>; - clock-names = "bus", "bus_a"; + clock-names = "bus", + "bus_a", + "ipa", + "ufs_axi", + "aggre2_ufs_axi", + "aggre2_usb3_axi", + "cfg_noc_usb2_axi"; clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>, - <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>; + <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>, + <&rpmcc RPM_SMD_IPA_CLK>, + <&gcc GCC_UFS_AXI_CLK>, + <&gcc GCC_AGGRE2_UFS_AXI_CLK>, + <&gcc GCC_AGGRE2_USB3_AXI_CLK>, + <&gcc GCC_CFG_NOC_USB2_AXI_CLK>; }; mnoc: interconnect@1745000 { diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml index 3e5d82df90a2..a2abed06a099 100644 --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov5647.yaml @@ -31,7 +31,7 @@ properties: maxItems: 1 port: - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base additionalProperties: false properties: diff --git a/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml b/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml index ad42992c6da3..bf115ab9d926 100644 --- a/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ovti,ov9282.yaml @@ -38,7 +38,7 @@ properties: port: additionalProperties: false - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base properties: endpoint: diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml index 881f79532501..cf2ca2702cc9 100644 --- a/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx335.yaml @@ -38,7 +38,7 @@ properties: port: additionalProperties: false - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base properties: endpoint: diff --git a/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml b/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml index 1edeabf39e6a..afcf70947f7e 100644 --- a/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml +++ b/Documentation/devicetree/bindings/media/i2c/sony,imx412.yaml @@ -38,7 +38,7 @@ properties: port: additionalProperties: false - $ref: /schemas/graph.yaml#/properties/port + $ref: /schemas/graph.yaml#/$defs/port-base properties: endpoint: diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml index e6c9a2f77cc7..f300ced4cdf3 100644 --- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml @@ -20,9 +20,7 @@ properties: - snps,dwcmshc-sdhci reg: - minItems: 1 - items: - - description: Offset and length of the register set for the device + maxItems: 1 interrupts: maxItems: 1 diff --git a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml index 7f2578d48e3f..9eb4bb529ad5 100644 --- a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml +++ b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml @@ -19,7 +19,9 @@ properties: - const: allwinner,sun8i-v3s-emac - const: allwinner,sun50i-a64-emac - items: - - const: allwinner,sun50i-h6-emac + - enum: + - allwinner,sun20i-d1-emac + - allwinner,sun50i-h6-emac - const: allwinner,sun50i-a64-emac reg: diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt index 30c11fea491b..2363b412410c 100644 --- a/Documentation/devicetree/bindings/net/dsa/marvell.txt +++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt @@ -83,7 +83,7 @@ Example: #interrupt-cells = <2>; switch0: switch@0 { - compatible = "marvell,mv88e6390"; + compatible = "marvell,mv88e6190"; reg = <0>; reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>; diff --git a/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml b/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml index 5629b2e4ccf8..ee4afe361fac 100644 --- a/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml +++ b/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml @@ -34,7 +34,6 @@ properties: clocks: minItems: 3 - maxItems: 5 items: - description: MAC host clock - description: MAC apb clock diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml index 2911e565b260..acea1cd444fd 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml @@ -41,7 +41,6 @@ properties: - description: builtin MSI controller. interrupt-names: - minItems: 1 items: - const: msi diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml new file mode 100644 index 000000000000..b9ca8ef4f2be --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/samsung,exynos-ufs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC series UFS host controller Device Tree Bindings + +maintainers: + - Alim Akhtar <alim.akhtar@samsung.com> + +description: | + Each Samsung UFS host controller instance should have its own node. + This binding define Samsung specific binding other then what is used + in the common ufshcd bindings + [1] Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt + +properties: + + compatible: + enum: + - samsung,exynos7-ufs + + reg: + items: + - description: HCI register + - description: vendor specific register + - description: unipro register + - description: UFS protector register + + reg-names: + items: + - const: hci + - const: vs_hci + - const: unipro + - const: ufsp + + clocks: + items: + - description: ufs link core clock + - description: unipro main clock + + clock-names: + items: + - const: core_clk + - const: sclk_unipro_main + + interrupts: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + const: ufs-phy + +required: + - compatible + - reg + - interrupts + - phys + - phy-names + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/exynos7-clk.h> + + ufs: ufs@15570000 { + compatible = "samsung,exynos7-ufs"; + reg = <0x15570000 0x100>, + <0x15570100 0x100>, + <0x15571000 0x200>, + <0x15572000 0x300>; + reg-names = "hci", "vs_hci", "unipro", "ufsp"; + interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clock_fsys1 ACLK_UFS20_LINK>, + <&clock_fsys1 SCLK_UFSUNIPRO20_USER>; + clock-names = "core_clk", "sclk_unipro_main"; + pinctrl-names = "default"; + pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>; + phys = <&ufs_phy>; + phy-names = "ufs-phy"; + }; +... diff --git a/Documentation/gpu/amdgpu.rst b/Documentation/gpu/amdgpu.rst index 364680cdad2e..8ba72e898099 100644 --- a/Documentation/gpu/amdgpu.rst +++ b/Documentation/gpu/amdgpu.rst @@ -300,8 +300,8 @@ pcie_replay_count .. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c :doc: pcie_replay_count -+GPU SmartShift Information -============================ +GPU SmartShift Information +========================== GPU SmartShift information via sysfs diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst index 06af044c882f..607f78f0f189 100644 --- a/Documentation/gpu/drm-internals.rst +++ b/Documentation/gpu/drm-internals.rst @@ -111,15 +111,6 @@ Component Helper Usage .. kernel-doc:: drivers/gpu/drm/drm_drv.c :doc: component helper usage recommendations -IRQ Helper Library -~~~~~~~~~~~~~~~~~~ - -.. kernel-doc:: drivers/gpu/drm/drm_irq.c - :doc: irq helpers - -.. kernel-doc:: drivers/gpu/drm/drm_irq.c - :export: - Memory Manager Initialization ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/hwmon/k10temp.rst b/Documentation/hwmon/k10temp.rst index 8557e26281c3..91b99adc6c48 100644 --- a/Documentation/hwmon/k10temp.rst +++ b/Documentation/hwmon/k10temp.rst @@ -132,20 +132,3 @@ On Family 17h and Family 18h CPUs, additional temperature sensors may report Core Complex Die (CCD) temperatures. Up to 8 such temperatures are reported as temp{3..10}_input, labeled Tccd{1..8}. Actual support depends on the CPU variant. - -Various Family 17h and 18h CPUs report voltage and current telemetry -information. The following attributes may be reported. - -Attribute Label Description -=============== ======= ================ -in0_input Vcore Core voltage -in1_input Vsoc SoC voltage -curr1_input Icore Core current -curr2_input Isoc SoC current -=============== ======= ================ - -Current values are raw (unscaled) as reported by the CPU. Core current is -reported as multiples of 1A / LSB. SoC is reported as multiples of 0.25A -/ LSB. The real current is board specific. Reported currents should be seen -as rough guidance, and should be scaled using sensors3.conf as appropriate -for a given board. diff --git a/Documentation/networking/device_drivers/ethernet/intel/ice.rst b/Documentation/networking/device_drivers/ethernet/intel/ice.rst index e7d9cbff771b..67b7a701ce9e 100644 --- a/Documentation/networking/device_drivers/ethernet/intel/ice.rst +++ b/Documentation/networking/device_drivers/ethernet/intel/ice.rst @@ -851,7 +851,7 @@ NOTES: - 0x88A8 traffic will not be received unless VLAN stripping is disabled with the following command:: - # ethool -K <ethX> rxvlan off + # ethtool -K <ethX> rxvlan off - 0x88A8/0x8100 double VLANs cannot be used with 0x8100 or 0x8100/0x8100 VLANS configured on the same port. 0x88a8/0x8100 traffic will not be received if diff --git a/Documentation/networking/dsa/sja1105.rst b/Documentation/networking/dsa/sja1105.rst index 564caeebe2b2..29b1bae0cf00 100644 --- a/Documentation/networking/dsa/sja1105.rst +++ b/Documentation/networking/dsa/sja1105.rst @@ -296,7 +296,7 @@ not available. Device Tree bindings and board design ===================================== -This section references ``Documentation/devicetree/bindings/net/dsa/sja1105.txt`` +This section references ``Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml`` and aims to showcase some potential switch caveats. RMII PHY role and out-of-band signaling diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index d3a8557b66a1..e35ab74a0f80 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -29,7 +29,7 @@ you probably needn't concern yourself with pcmciautils. ====================== =============== ======================================== Program Minimal version Command to check the version ====================== =============== ======================================== -GNU C 4.9 gcc --version +GNU C 5.1 gcc --version Clang/LLVM (optional) 10.0.1 clang --version GNU make 3.81 make --version binutils 2.23 ld -v diff --git a/Documentation/translations/zh_CN/admin-guide/README.rst b/Documentation/translations/zh_CN/admin-guide/README.rst index 669a022f6817..980eb20521cf 100644 --- a/Documentation/translations/zh_CN/admin-guide/README.rst +++ b/Documentation/translations/zh_CN/admin-guide/README.rst @@ -223,7 +223,7 @@ Linux内核5.x版本 <http://kernel.org/> 编译内核 --------- - - 确保您至少有gcc 4.9可用。 + - 确保您至少有gcc 5.1可用。 有关更多信息，请参阅 :ref:`Documentation/process/changes.rst <changes>` 。 请注意，您仍然可以使用此内核运行a.out用户程序。 diff --git a/Documentation/translations/zh_TW/admin-guide/README.rst b/Documentation/translations/zh_TW/admin-guide/README.rst index b752e50359e6..6ce97edbab37 100644 --- a/Documentation/translations/zh_TW/admin-guide/README.rst +++ b/Documentation/translations/zh_TW/admin-guide/README.rst @@ -226,7 +226,7 @@ Linux內核5.x版本 <http://kernel.org/> 編譯內核 --------- - - 確保您至少有gcc 4.9可用。 + - 確保您至少有gcc 5.1可用。 有關更多信息，請參閱 :ref:`Documentation/process/changes.rst <changes>` 。 請注意，您仍然可以使用此內核運行a.out用戶程序。 diff --git a/MAINTAINERS b/MAINTAINERS index eeb4c70b3d5b..a4a0c2baaf27 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -414,7 +414,8 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm F: drivers/acpi/pmic/ ACPI THERMAL DRIVER -M: Zhang Rui <rui.zhang@intel.com> +M: Rafael J. Wysocki <rafael@kernel.org> +R: Zhang Rui <rui.zhang@intel.com> L: linux-acpi@vger.kernel.org S: Supported W: https://01.org/linux-acpi @@ -810,7 +811,7 @@ F: Documentation/devicetree/bindings/dma/altr,msgdma.yaml F: drivers/dma/altera-msgdma.c ALTERA PIO DRIVER -M: Joyce Ooi <joyce.ooi@intel.com> +M: Mun Yew Tham <mun.yew.tham@intel.com> L: linux-gpio@vger.kernel.org S: Maintained F: drivers/gpio/gpio-altera.c @@ -977,12 +978,12 @@ L: platform-driver-x86@vger.kernel.org S: Maintained F: drivers/platform/x86/amd-pmc.* -AMD POWERPLAY +AMD POWERPLAY AND SWSMU M: Evan Quan <evan.quan@amd.com> L: amd-gfx@lists.freedesktop.org S: Supported T: git https://gitlab.freedesktop.org/agd5f/linux.git -F: drivers/gpu/drm/amd/pm/powerplay/ +F: drivers/gpu/drm/amd/pm/ AMD PTDMA DRIVER M: Sanjay R Mehta <sanju.mehta@amd.com> @@ -1275,6 +1276,7 @@ F: drivers/input/mouse/bcm5974.c APPLE DART IOMMU DRIVER M: Sven Peter <sven@svenpeter.dev> +R: Alyssa Rosenzweig <alyssa@rosenzweig.io> L: iommu@lists.linux-foundation.org S: Maintained F: Documentation/devicetree/bindings/iommu/apple,dart.yaml @@ -1711,6 +1713,8 @@ F: drivers/*/*alpine* ARM/APPLE MACHINE SUPPORT M: Hector Martin <marcan@marcan.st> +M: Sven Peter <sven@svenpeter.dev> +R: Alyssa Rosenzweig <alyssa@rosenzweig.io> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained W: https://asahilinux.org @@ -2236,6 +2240,7 @@ F: arch/arm/mach-pxa/mioa701.c ARM/MStar/Sigmastar Armv7 SoC support M: Daniel Palmer <daniel@thingy.jp> +M: Romain Perier <romain.perier@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained W: http://linux-chenxing.org/ @@ -2712,6 +2717,7 @@ F: drivers/power/reset/keystone-reset.c ARM/TEXAS INSTRUMENTS K3 ARCHITECTURE M: Nishanth Menon <nm@ti.com> +M: Vignesh Raghavendra <vigneshr@ti.com> M: Tero Kristo <kristo@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported @@ -2804,9 +2810,8 @@ F: arch/arm/mach-pxa/include/mach/vpac270.h F: arch/arm/mach-pxa/vpac270.c ARM/VT8500 ARM ARCHITECTURE -M: Tony Prisk <linux@prisktech.co.nz> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained +S: Orphan F: Documentation/devicetree/bindings/i2c/i2c-wmt.txt F: arch/arm/mach-vt8500/ F: drivers/clocksource/timer-vt8500.c @@ -2962,7 +2967,7 @@ F: crypto/async_tx/ F: include/linux/async_tx.h AT24 EEPROM DRIVER -M: Bartosz Golaszewski <bgolaszewski@baylibre.com> +M: Bartosz Golaszewski <brgl@bgdev.pl> L: linux-i2c@vger.kernel.org S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git @@ -3385,9 +3390,11 @@ F: Documentation/networking/filter.rst F: Documentation/userspace-api/ebpf/ F: arch/*/net/* F: include/linux/bpf* +F: include/linux/btf* F: include/linux/filter.h F: include/trace/events/xdp.h F: include/uapi/linux/bpf* +F: include/uapi/linux/btf* F: include/uapi/linux/filter.h F: kernel/bpf/ F: kernel/trace/bpf_trace.c @@ -3821,7 +3828,6 @@ F: drivers/scsi/mpi3mr/ BROADCOM NETXTREME-E ROCE DRIVER M: Selvin Xavier <selvin.xavier@broadcom.com> -M: Naresh Kumar PBS <nareshkumar.pbs@broadcom.com> L: linux-rdma@vger.kernel.org S: Supported W: http://www.broadcom.com @@ -4656,7 +4662,7 @@ W: http://linux-cifs.samba.org/ T: git git://git.samba.org/sfrench/cifs-2.6.git F: Documentation/admin-guide/cifs/ F: fs/cifs/ -F: fs/cifs_common/ +F: fs/smbfs_common/ COMPACTPCI HOTPLUG CORE M: Scott Murray <scott@spiteful.org> @@ -7986,7 +7992,7 @@ F: include/linux/gpio/regmap.h GPIO SUBSYSTEM M: Linus Walleij <linus.walleij@linaro.org> -M: Bartosz Golaszewski <bgolaszewski@baylibre.com> +M: Bartosz Golaszewski <brgl@bgdev.pl> L: linux-gpio@vger.kernel.org S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git @@ -8608,9 +8614,8 @@ F: Documentation/devicetree/bindings/iio/humidity/st,hts221.yaml F: drivers/iio/humidity/hts221* HUAWEI ETHERNET DRIVER -M: Bin Luo <luobin9@huawei.com> L: netdev@vger.kernel.org -S: Supported +S: Orphan F: Documentation/networking/device_drivers/ethernet/huawei/hinic.rst F: drivers/net/ethernet/huawei/hinic/ @@ -10194,8 +10199,8 @@ M: Hyunchul Lee <hyc.lee@gmail.com> L: linux-cifs@vger.kernel.org S: Maintained T: git git://git.samba.org/ksmbd.git -F: fs/cifs_common/ F: fs/ksmbd/ +F: fs/smbfs_common/ KERNEL UNIT TESTING FRAMEWORK (KUnit) M: Brendan Higgins <brendanhiggins@google.com> @@ -11367,7 +11372,7 @@ F: Documentation/devicetree/bindings/iio/proximity/maxbotix,mb1232.yaml F: drivers/iio/proximity/mb1232.c MAXIM MAX77650 PMIC MFD DRIVER -M: Bartosz Golaszewski <bgolaszewski@baylibre.com> +M: Bartosz Golaszewski <brgl@bgdev.pl> L: linux-kernel@vger.kernel.org S: Maintained F: Documentation/devicetree/bindings/*/*max77650.yaml @@ -13255,9 +13260,9 @@ F: Documentation/scsi/NinjaSCSI.rst F: drivers/scsi/nsp32* NIOS2 ARCHITECTURE -M: Ley Foon Tan <ley.foon.tan@intel.com> +M: Dinh Nguyen <dinguyen@kernel.org> S: Maintained -T: git git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git F: arch/nios2/ NITRO ENCLAVES (NE) @@ -14342,7 +14347,8 @@ F: Documentation/devicetree/bindings/pci/intel,ixp4xx-pci.yaml F: drivers/pci/controller/pci-ixp4xx.c PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD) -M: Jonathan Derrick <jonathan.derrick@intel.com> +M: Nirmal Patel <nirmal.patel@linux.intel.com> +R: Jonathan Derrick <jonathan.derrick@linux.dev> L: linux-pci@vger.kernel.org S: Supported F: drivers/pci/controller/vmd.c @@ -16650,13 +16656,6 @@ M: Lubomir Rintel <lkundrak@v3.sk> S: Supported F: drivers/char/pcmcia/scr24x_cs.c -SCSI CDROM DRIVER -M: Jens Axboe <axboe@kernel.dk> -L: linux-scsi@vger.kernel.org -S: Maintained -W: http://www.kernel.dk -F: drivers/scsi/sr* - SCSI RDMA PROTOCOL (SRP) INITIATOR M: Bart Van Assche <bvanassche@acm.org> L: linux-rdma@vger.kernel.org @@ -16955,7 +16954,6 @@ F: drivers/misc/sgi-xp/ SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS M: Karsten Graul <kgraul@linux.ibm.com> -M: Guvenc Gulce <guvenc@linux.ibm.com> L: linux-s390@vger.kernel.org S: Supported W: http://www.ibm.com/developerworks/linux/linux390/ @@ -17800,7 +17798,6 @@ F: drivers/staging/nvec/ STAGING - OLPC SECONDARY DISPLAY CONTROLLER (DCON) M: Jens Frederich <jfrederich@gmail.com> -M: Daniel Drake <dsd@laptop.org> M: Jon Nettleton <jon.nettleton@gmail.com> S: Maintained W: http://wiki.laptop.org/go/DCON @@ -17891,7 +17888,8 @@ M: Olivier Moysan <olivier.moysan@foss.st.com> M: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) S: Maintained -F: Documentation/devicetree/bindings/iio/adc/st,stm32-*.yaml +F: Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml +F: Documentation/devicetree/bindings/sound/st,stm32-*.yaml F: sound/soc/stm/ STM32 TIMER/LPTIMER DRIVERS @@ -17968,10 +17966,11 @@ F: Documentation/admin-guide/svga.rst F: arch/x86/boot/video* SWIOTLB SUBSYSTEM -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +M: Christoph Hellwig <hch@infradead.org> L: iommu@lists.linux-foundation.org S: Supported -T: git git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git +W: http://git.infradead.org/users/hch/dma-mapping.git +T: git git://git.infradead.org/users/hch/dma-mapping.git F: arch/*/kernel/pci-swiotlb.c F: include/linux/swiotlb.h F: kernel/dma/swiotlb.c @@ -18554,13 +18553,14 @@ T: git git://linuxtv.org/media_tree.git F: drivers/media/radio/radio-raremono.c THERMAL -M: Zhang Rui <rui.zhang@intel.com> +M: Rafael J. Wysocki <rafael@kernel.org> M: Daniel Lezcano <daniel.lezcano@linaro.org> R: Amit Kucheria <amitk@kernel.org> +R: Zhang Rui <rui.zhang@intel.com> L: linux-pm@vger.kernel.org S: Supported Q: https://patchwork.kernel.org/project/linux-pm/list/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git thermal F: Documentation/devicetree/bindings/thermal/ F: drivers/thermal/ F: include/linux/cpu_cooling.h @@ -18689,7 +18689,7 @@ F: include/linux/clk/ti.h TI DAVINCI MACHINE SUPPORT M: Sekhar Nori <nsekhar@ti.com> -R: Bartosz Golaszewski <bgolaszewski@baylibre.com> +R: Bartosz Golaszewski <brgl@bgdev.pl> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git @@ -19288,13 +19288,12 @@ S: Maintained F: drivers/usb/misc/chaoskey.c USB CYPRESS C67X00 DRIVER -M: Peter Korsgaard <jacmet@sunsite.dk> L: linux-usb@vger.kernel.org -S: Maintained +S: Orphan F: drivers/usb/c67x00/ USB DAVICOM DM9601 DRIVER -M: Peter Korsgaard <jacmet@sunsite.dk> +M: Peter Korsgaard <peter@korsgaard.com> L: netdev@vger.kernel.org S: Maintained W: http://www.linux-usb.org/usbnet @@ -20474,7 +20473,6 @@ F: samples/bpf/xdpsock* F: tools/lib/bpf/xsk* XEN BLOCK SUBSYSTEM -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> M: Roger Pau Monné <roger.pau@citrix.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) S: Supported @@ -20522,7 +20520,7 @@ S: Supported F: drivers/net/xen-netback/* XEN PCI SUBSYSTEM -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +M: Juergen Gross <jgross@suse.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) S: Supported F: arch/x86/pci/*xen* @@ -20545,7 +20543,8 @@ S: Supported F: sound/xen/* XEN SWIOTLB SUBSYSTEM -M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +M: Juergen Gross <jgross@suse.com> +M: Stefano Stabellini <sstabellini@kernel.org> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) L: iommu@lists.linux-foundation.org S: Supported @@ -20704,7 +20703,6 @@ S: Maintained F: mm/zbud.c ZD1211RW WIRELESS DRIVER -M: Daniel Drake <dsd@gentoo.org> M: Ulrich Kunitz <kune@deine-taler.de> L: linux-wireless@vger.kernel.org L: zd1211-devs@lists.sourceforge.net (subscribers-only) @@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 15 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc5 NAME = Opossums on Parade # *DOCUMENTATION* @@ -849,12 +849,6 @@ endif DEBUG_CFLAGS := -# Workaround for GCC versions < 5.0 -# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801 -ifdef CONFIG_CC_IS_GCC -DEBUG_CFLAGS += $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments)) -endif - ifdef CONFIG_DEBUG_INFO ifdef CONFIG_DEBUG_INFO_SPLIT diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 02e5b673bdad..4e87783c90ad 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -20,7 +20,7 @@ config ALPHA select NEED_SG_DMA_LENGTH select VIRT_TO_BUS select GENERIC_IRQ_PROBE - select GENERIC_PCI_IOMAP if PCI + select GENERIC_PCI_IOMAP select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION @@ -199,7 +199,6 @@ config ALPHA_EIGER config ALPHA_JENSEN bool "Jensen" - depends on BROKEN select HAVE_EISA help DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one diff --git a/arch/alpha/include/asm/asm-prototypes.h b/arch/alpha/include/asm/asm-prototypes.h index b34cc1f06720..c8ae46fc2e74 100644 --- a/arch/alpha/include/asm/asm-prototypes.h +++ b/arch/alpha/include/asm/asm-prototypes.h @@ -16,3 +16,4 @@ extern void __divlu(void); extern void __remlu(void); extern void __divqu(void); extern void __remqu(void); +extern unsigned long __udiv_qrnnd(unsigned long *, unsigned long, unsigned long , unsigned long); diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h index 0fab5ac90775..c9cb554fbe54 100644 --- a/arch/alpha/include/asm/io.h +++ b/arch/alpha/include/asm/io.h @@ -60,7 +60,7 @@ extern inline void set_hae(unsigned long new_hae) * Change virtual addresses to physical addresses and vv. */ #ifdef USE_48_BIT_KSEG -static inline unsigned long virt_to_phys(void *address) +static inline unsigned long virt_to_phys(volatile void *address) { return (unsigned long)address - IDENT_ADDR; } @@ -70,7 +70,7 @@ static inline void * phys_to_virt(unsigned long address) return (void *) (address + IDENT_ADDR); } #else -static inline unsigned long virt_to_phys(void *address) +static inline unsigned long virt_to_phys(volatile void *address) { unsigned long phys = (unsigned long)address; @@ -106,7 +106,7 @@ static inline void * phys_to_virt(unsigned long address) extern unsigned long __direct_map_base; extern unsigned long __direct_map_size; -static inline unsigned long __deprecated virt_to_bus(void *address) +static inline unsigned long __deprecated virt_to_bus(volatile void *address) { unsigned long phys = virt_to_phys(address); unsigned long bus = phys + __direct_map_base; diff --git a/arch/alpha/include/asm/jensen.h b/arch/alpha/include/asm/jensen.h index 916895155a88..1c4131453db2 100644 --- a/arch/alpha/include/asm/jensen.h +++ b/arch/alpha/include/asm/jensen.h @@ -111,18 +111,18 @@ __EXTERN_INLINE void jensen_set_hae(unsigned long addr) * convinced that I need one of the newer machines. */ -static inline unsigned int jensen_local_inb(unsigned long addr) +__EXTERN_INLINE unsigned int jensen_local_inb(unsigned long addr) { return 0xff & *(vuip)((addr << 9) + EISA_VL82C106); } -static inline void jensen_local_outb(u8 b, unsigned long addr) +__EXTERN_INLINE void jensen_local_outb(u8 b, unsigned long addr) { *(vuip)((addr << 9) + EISA_VL82C106) = b; mb(); } -static inline unsigned int jensen_bus_inb(unsigned long addr) +__EXTERN_INLINE unsigned int jensen_bus_inb(unsigned long addr) { long result; @@ -131,7 +131,7 @@ static inline unsigned int jensen_bus_inb(unsigned long addr) return __kernel_extbl(result, addr & 3); } -static inline void jensen_bus_outb(u8 b, unsigned long addr) +__EXTERN_INLINE void jensen_bus_outb(u8 b, unsigned long addr) { jensen_set_hae(0); *(vuip)((addr << 7) + EISA_IO + 0x00) = b * 0x01010101; diff --git a/arch/alpha/include/asm/setup.h b/arch/alpha/include/asm/setup.h new file mode 100644 index 000000000000..262aab99e391 --- /dev/null +++ b/arch/alpha/include/asm/setup.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef __ALPHA_SETUP_H +#define __ALPHA_SETUP_H + +#include <uapi/asm/setup.h> + +/* + * We leave one page for the initial stack page, and one page for + * the initial process structure. Also, the console eats 3 MB for + * the initial bootloader (one of which we can reclaim later). + */ +#define BOOT_PCB 0x20000000 +#define BOOT_ADDR 0x20000000 +/* Remove when official MILO sources have ELF support: */ +#define BOOT_SIZE (16*1024) + +#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS +#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ +#else +#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ +#endif + +#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) +#define SWAPPER_PGD KERNEL_START +#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) +#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) +#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) +#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) + +#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) + +/* + * This is setup by the secondary bootstrap loader. Because + * the zero page is zeroed out as soon as the vm system is + * initialized, we need to copy things out into a more permanent + * place. + */ +#define PARAM ZERO_PGE +#define COMMAND_LINE ((char *)(absolute_pointer(PARAM + 0x0000))) +#define INITRD_START (*(unsigned long *) (PARAM+0x100)) +#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) + +#endif diff --git a/arch/alpha/include/uapi/asm/setup.h b/arch/alpha/include/uapi/asm/setup.h index 13b7ee465b0e..f881ea5947cb 100644 --- a/arch/alpha/include/uapi/asm/setup.h +++ b/arch/alpha/include/uapi/asm/setup.h @@ -1,43 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef __ALPHA_SETUP_H -#define __ALPHA_SETUP_H +#ifndef _UAPI__ALPHA_SETUP_H +#define _UAPI__ALPHA_SETUP_H #define COMMAND_LINE_SIZE 256 -/* - * We leave one page for the initial stack page, and one page for - * the initial process structure. Also, the console eats 3 MB for - * the initial bootloader (one of which we can reclaim later). - */ -#define BOOT_PCB 0x20000000 -#define BOOT_ADDR 0x20000000 -/* Remove when official MILO sources have ELF support: */ -#define BOOT_SIZE (16*1024) - -#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS -#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ -#else -#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ -#endif - -#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) -#define SWAPPER_PGD KERNEL_START -#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) -#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) -#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) -#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) - -#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) - -/* - * This is setup by the secondary bootstrap loader. Because - * the zero page is zeroed out as soon as the vm system is - * initialized, we need to copy things out into a more permanent - * place. - */ -#define PARAM ZERO_PGE -#define COMMAND_LINE ((char*)(PARAM + 0x0000)) -#define INITRD_START (*(unsigned long *) (PARAM+0x100)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) - -#endif +#endif /* _UAPI__ALPHA_SETUP_H */ diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c index e5d870ff225f..5c9c88428124 100644 --- a/arch/alpha/kernel/sys_jensen.c +++ b/arch/alpha/kernel/sys_jensen.c @@ -7,6 +7,11 @@ * * Code supporting the Jensen. */ +#define __EXTERN_INLINE +#include <asm/io.h> +#include <asm/jensen.h> +#undef __EXTERN_INLINE + #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/types.h> @@ -17,11 +22,6 @@ #include <asm/ptrace.h> -#define __EXTERN_INLINE inline -#include <asm/io.h> -#include <asm/jensen.h> -#undef __EXTERN_INLINE - #include <asm/dma.h> #include <asm/irq.h> #include <asm/mmu_context.h> diff --git a/arch/alpha/lib/Makefile b/arch/alpha/lib/Makefile index 854d5e79979e..1cc74f7b50ef 100644 --- a/arch/alpha/lib/Makefile +++ b/arch/alpha/lib/Makefile @@ -14,6 +14,7 @@ ev6-$(CONFIG_ALPHA_EV6) := ev6- ev67-$(CONFIG_ALPHA_EV67) := ev67- lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \ + udiv-qrnnd.o \ udelay.o \ $(ev6-y)memset.o \ $(ev6-y)memcpy.o \ diff --git a/arch/alpha/math-emu/qrnnd.S b/arch/alpha/lib/udiv-qrnnd.S index d6373ec1bff9..b887aa5428e5 100644 --- a/arch/alpha/math-emu/qrnnd.S +++ b/arch/alpha/lib/udiv-qrnnd.S @@ -25,6 +25,7 @@ # along with GCC; see the file COPYING. If not, write to the # Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, # MA 02111-1307, USA. +#include <asm/export.h> .set noreorder .set noat @@ -161,3 +162,4 @@ $Odd: ret $31,($26),1 .end __udiv_qrnnd +EXPORT_SYMBOL(__udiv_qrnnd) diff --git a/arch/alpha/math-emu/Makefile b/arch/alpha/math-emu/Makefile index 6eda0973e183..3206402a8792 100644 --- a/arch/alpha/math-emu/Makefile +++ b/arch/alpha/math-emu/Makefile @@ -7,4 +7,4 @@ ccflags-y := -w obj-$(CONFIG_MATHEMU) += math-emu.o -math-emu-objs := math.o qrnnd.o +math-emu-objs := math.o diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index f7cef66af88d..4212258f3cfd 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -403,5 +403,3 @@ alpha_fp_emul_imprecise (struct pt_regs *regs, unsigned long write_mask) egress: return si_code; } - -EXPORT_SYMBOL(__udiv_qrnnd); diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fc196421b2ce..59baf6c132a7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1989,8 +1989,6 @@ config ARCH_HIBERNATION_POSSIBLE endmenu -source "drivers/firmware/Kconfig" - if CRYPTO source "arch/arm/crypto/Kconfig" endif diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts index 614999dcb990..cd4672501add 100644 --- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts +++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts @@ -71,7 +71,6 @@ isc: isc@f0008000 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_isc_base &pinctrl_isc_data_8bit &pinctrl_isc_data_9_10 &pinctrl_isc_data_11_12>; - status = "okay"; }; qspi1: spi@f0024000 { diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts index 4cbed98cc2f4..f3d6aaa3a78d 100644 --- a/arch/arm/boot/dts/at91-sama7g5ek.dts +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts @@ -196,11 +196,13 @@ regulator-state-standby { regulator-on-in-suspend; + regulator-suspend-microvolt = <1350000>; regulator-mode = <4>; }; regulator-state-mem { regulator-on-in-suspend; + regulator-suspend-microvolt = <1350000>; regulator-mode = <4>; }; }; @@ -353,7 +355,10 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gmac0_default &pinctrl_gmac0_txck_default &pinctrl_gmac0_phy_irq>; + pinctrl-0 = <&pinctrl_gmac0_default + &pinctrl_gmac0_mdio_default + &pinctrl_gmac0_txck_default + &pinctrl_gmac0_phy_irq>; phy-mode = "rgmii-id"; status = "okay"; @@ -368,7 +373,9 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gmac1_default &pinctrl_gmac1_phy_irq>; + pinctrl-0 = <&pinctrl_gmac1_default + &pinctrl_gmac1_mdio_default + &pinctrl_gmac1_phy_irq>; phy-mode = "rmii"; status = "okay"; @@ -423,14 +430,20 @@ <PIN_PA15__G0_TXEN>, <PIN_PA30__G0_RXCK>, <PIN_PA18__G0_RXDV>, - <PIN_PA22__G0_MDC>, - <PIN_PA23__G0_MDIO>, <PIN_PA25__G0_125CK>; + slew-rate = <0>; + bias-disable; + }; + + pinctrl_gmac0_mdio_default: gmac0_mdio_default { + pinmux = <PIN_PA22__G0_MDC>, + <PIN_PA23__G0_MDIO>; bias-disable; }; pinctrl_gmac0_txck_default: gmac0_txck_default { pinmux = <PIN_PA24__G0_TXCK>; + slew-rate = <0>; bias-pull-up; }; @@ -447,8 +460,13 @@ <PIN_PD25__G1_RX0>, <PIN_PD26__G1_RX1>, <PIN_PD27__G1_RXER>, - <PIN_PD24__G1_RXDV>, - <PIN_PD28__G1_MDC>, + <PIN_PD24__G1_RXDV>; + slew-rate = <0>; + bias-disable; + }; + + pinctrl_gmac1_mdio_default: gmac1_mdio_default { + pinmux = <PIN_PD28__G1_MDC>, <PIN_PD29__G1_MDIO>; bias-disable; }; @@ -540,6 +558,7 @@ <PIN_PA8__SDMMC0_DAT5>, <PIN_PA9__SDMMC0_DAT6>, <PIN_PA10__SDMMC0_DAT7>; + slew-rate = <0>; bias-pull-up; }; @@ -547,6 +566,7 @@ pinmux = <PIN_PA0__SDMMC0_CK>, <PIN_PA2__SDMMC0_RSTN>, <PIN_PA11__SDMMC0_DS>; + slew-rate = <0>; bias-pull-up; }; }; @@ -558,6 +578,7 @@ <PIN_PC0__SDMMC1_DAT1>, <PIN_PC1__SDMMC1_DAT2>, <PIN_PC2__SDMMC1_DAT3>; + slew-rate = <0>; bias-pull-up; }; @@ -566,6 +587,7 @@ <PIN_PB28__SDMMC1_RSTN>, <PIN_PC5__SDMMC1_1V8SEL>, <PIN_PC4__SDMMC1_CD>; + slew-rate = <0>; bias-pull-up; }; }; @@ -577,11 +599,13 @@ <PIN_PD6__SDMMC2_DAT1>, <PIN_PD7__SDMMC2_DAT2>, <PIN_PD8__SDMMC2_DAT3>; + slew-rate = <0>; bias-pull-up; }; ck { pinmux = <PIN_PD4__SDMMC2_CK>; + slew-rate = <0>; bias-pull-up; }; }; @@ -634,6 +658,15 @@ pinctrl-0 = <&pinctrl_sdmmc2_default>; }; +&shdwc { + atmel,shdwc-debouncer = <976>; + status = "okay"; + + input@0 { + reg = <0>; + }; +}; + &spdifrx { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_spdifrx_default>; diff --git a/arch/arm/boot/dts/imx53-m53menlo.dts b/arch/arm/boot/dts/imx53-m53menlo.dts index d3082b9774e4..4f88e96d81dd 100644 --- a/arch/arm/boot/dts/imx53-m53menlo.dts +++ b/arch/arm/boot/dts/imx53-m53menlo.dts @@ -56,6 +56,7 @@ panel { compatible = "edt,etm0700g0dh6"; pinctrl-0 = <&pinctrl_display_gpio>; + pinctrl-names = "default"; enable-gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>; port { @@ -76,8 +77,7 @@ regulator-name = "vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>; - enable-active-high; + gpio = <&gpio1 2 0>; }; }; diff --git a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi index cb8b539eb29d..e5c4dc65fbab 100644 --- a/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi +++ b/arch/arm/boot/dts/imx6dl-yapp4-common.dtsi @@ -5,6 +5,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/input/input.h> +#include <dt-bindings/leds/common.h> #include <dt-bindings/pwm/pwm.h> / { @@ -277,6 +278,7 @@ led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; reg = <0>; + color = <LED_COLOR_ID_RED>; }; chan@1 { @@ -284,6 +286,7 @@ led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; reg = <1>; + color = <LED_COLOR_ID_GREEN>; }; chan@2 { @@ -291,6 +294,7 @@ led-cur = /bits/ 8 <0x20>; max-cur = /bits/ 8 <0x60>; reg = <2>; + color = <LED_COLOR_ID_BLUE>; }; chan@3 { @@ -298,6 +302,7 @@ led-cur = /bits/ 8 <0x0>; max-cur = /bits/ 8 <0x0>; reg = <3>; + color = <LED_COLOR_ID_WHITE>; }; }; diff --git a/arch/arm/boot/dts/imx6qdl-pico.dtsi b/arch/arm/boot/dts/imx6qdl-pico.dtsi index 5de4ccb97916..f7a56d6b160c 100644 --- a/arch/arm/boot/dts/imx6qdl-pico.dtsi +++ b/arch/arm/boot/dts/imx6qdl-pico.dtsi @@ -176,7 +176,18 @@ pinctrl-0 = <&pinctrl_enet>; phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 26 GPIO_ACTIVE_LOW>; + phy-handle = <&phy>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + phy: ethernet-phy@1 { + reg = <1>; + qca,clk-out-frequency = <125000000>; + }; + }; }; &hdmi { diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts index 5a63ca615722..99f4cf777a38 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dts +++ b/arch/arm/boot/dts/imx6sx-sdb.dts @@ -114,7 +114,7 @@ compatible = "micron,n25q256a", "jedec,spi-nor"; spi-max-frequency = <29000000>; spi-rx-bus-width = <4>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; reg = <0>; }; @@ -124,7 +124,7 @@ compatible = "micron,n25q256a", "jedec,spi-nor"; spi-max-frequency = <29000000>; spi-rx-bus-width = <4>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; reg = <2>; }; }; diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi index 779cc536566d..a3fde3316c73 100644 --- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi +++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi @@ -292,7 +292,7 @@ compatible = "micron,n25q256a", "jedec,spi-nor"; spi-max-frequency = <29000000>; spi-rx-bus-width = <4>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; reg = <0>; }; }; diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts index c5b903718414..7d530ae3483b 100644 --- a/arch/arm/boot/dts/omap3430-sdp.dts +++ b/arch/arm/boot/dts/omap3430-sdp.dts @@ -101,7 +101,7 @@ nand@1,0 { compatible = "ti,omap2-nand"; - reg = <0 0 4>; /* CS0, offset 0, IO size 4 */ + reg = <1 0 4>; /* CS1, offset 0, IO size 4 */ interrupt-parent = <&gpmc>; interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */ <1 IRQ_TYPE_NONE>; /* termcount */ diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi index 0b2bed6e7adf..d1c1c6aab2b8 100644 --- a/arch/arm/boot/dts/qcom-apq8064.dtsi +++ b/arch/arm/boot/dts/qcom-apq8064.dtsi @@ -198,7 +198,7 @@ clock-frequency = <19200000>; }; - pxo_board { + pxo_board: pxo_board { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <27000000>; @@ -1148,22 +1148,21 @@ }; gpu: adreno-3xx@4300000 { - compatible = "qcom,adreno-3xx"; + compatible = "qcom,adreno-320.2", "qcom,adreno"; reg = <0x04300000 0x20000>; reg-names = "kgsl_3d0_reg_memory"; interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "kgsl_3d0_irq"; clock-names = - "core_clk", - "iface_clk", - "mem_clk", - "mem_iface_clk"; + "core", + "iface", + "mem", + "mem_iface"; clocks = <&mmcc GFX3D_CLK>, <&mmcc GFX3D_AHB_CLK>, <&mmcc GFX3D_AXI_CLK>, <&mmcc MMSS_IMEM_AHB_CLK>; - qcom,chipid = <0x03020002>; iommus = <&gfx3d 0 &gfx3d 1 @@ -1306,7 +1305,7 @@ reg-names = "dsi_pll", "dsi_phy", "dsi_phy_regulator"; clock-names = "iface_clk", "ref"; clocks = <&mmcc DSI_M_AHB_CLK>, - <&cxo_board>; + <&pxo_board>; }; diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi index cc6be6db7b80..6c58c151c6d9 100644 --- a/arch/arm/boot/dts/sama7g5.dtsi +++ b/arch/arm/boot/dts/sama7g5.dtsi @@ -75,6 +75,17 @@ #size-cells = <1>; ranges; + securam: securam@e0000000 { + compatible = "microchip,sama7g5-securam", "atmel,sama5d2-securam", "mmio-sram"; + reg = <0xe0000000 0x4000>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 18>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xe0000000 0x4000>; + no-memory-wc; + status = "okay"; + }; + secumod: secumod@e0004000 { compatible = "microchip,sama7g5-secumod", "atmel,sama5d2-secumod", "syscon"; reg = <0xe0004000 0x4000>; @@ -111,6 +122,17 @@ clock-names = "td_slck", "md_slck", "main_xtal"; }; + shdwc: shdwc@e001d010 { + compatible = "microchip,sama7g5-shdwc", "syscon"; + reg = <0xe001d010 0x10>; + clocks = <&clk32k 0>; + #address-cells = <1>; + #size-cells = <0>; + atmel,wakeup-rtc-timer; + atmel,wakeup-rtt-timer; + status = "disabled"; + }; + rtt: rtt@e001d020 { compatible = "microchip,sama7g5-rtt", "microchip,sam9x60-rtt", "atmel,at91sam9260-rtt"; reg = <0xe001d020 0x30>; @@ -137,6 +159,11 @@ clocks = <&clk32k 0>; }; + chipid@e0020000 { + compatible = "microchip,sama7g5-chipid"; + reg = <0xe0020000 0x8>; + }; + sdmmc0: mmc@e1204000 { compatible = "microchip,sama7g5-sdhci", "microchip,sam9x60-sdhci"; reg = <0xe1204000 0x4000>; @@ -515,6 +542,18 @@ }; }; + uddrc: uddrc@e3800000 { + compatible = "microchip,sama7g5-uddrc"; + reg = <0xe3800000 0x4000>; + status = "okay"; + }; + + ddr3phy: ddr3phy@e3804000 { + compatible = "microchip,sama7g5-ddr3phy"; + reg = <0xe3804000 0x1000>; + status = "okay"; + }; + gic: interrupt-controller@e8c11000 { compatible = "arm,cortex-a7-gic"; #interrupt-cells = <3>; diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index 2ad9fd7c94ec..8af4b77fe655 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -17,6 +17,7 @@ * TAKE CARE WHEN MAINTAINING THIS FILE TO PROPAGATE ANY RELEVANT * CHANGES TO vexpress-v2m.dtsi! */ +#include <dt-bindings/interrupt-controller/arm-gic.h> / { v2m_fixed_3v3: fixed-regulator-0 { @@ -101,16 +102,68 @@ }; bus@8000000 { - motherboard-bus { - model = "V2M-P1"; + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 63>; + interrupt-map = <0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <0 1 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <0 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <0 3 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <0 4 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <0 5 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <0 6 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <0 7 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <0 8 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <0 9 &gic GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, + <0 10 &gic GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, + <0 11 &gic GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, + <0 12 &gic GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, + <0 13 &gic GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, + <0 14 &gic GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, + <0 15 &gic GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, + <0 16 &gic GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <0 17 &gic GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, + <0 18 &gic GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, + <0 19 &gic GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, + <0 20 &gic GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, + <0 21 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, + <0 22 &gic GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, + <0 23 &gic GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, + <0 24 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, + <0 25 &gic GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, + <0 26 &gic GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, + <0 27 &gic GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>, + <0 28 &gic GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, + <0 29 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, + <0 30 &gic GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, + <0 31 &gic GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>, + <0 32 &gic GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, + <0 33 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, + <0 34 &gic GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, + <0 35 &gic GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>, + <0 36 &gic GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, + <0 37 &gic GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, + <0 38 &gic GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, + <0 39 &gic GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, + <0 40 &gic GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, + <0 41 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, + <0 42 &gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + + motherboard-bus@8000000 { arm,hbi = <0x190>; arm,vexpress,site = <0>; - arm,v2m-memory-map = "rs1"; compatible = "arm,vexpress,v2m-p1", "simple-bus"; #address-cells = <2>; /* SMB chipselect number and offset */ #size-cells = <1>; - #interrupt-cells = <1>; - ranges; + ranges = <0 0 0x08000000 0x04000000>, + <1 0 0x14000000 0x04000000>, + <2 0 0x18000000 0x04000000>, + <3 0 0x1c000000 0x04000000>, + <4 0 0x0c000000 0x04000000>, + <5 0 0x10000000 0x04000000>; nor_flash: flash@0 { compatible = "arm,vexpress-flash", "cfi-flash"; @@ -215,7 +268,7 @@ clock-names = "apb_pclk"; }; - mmci@50000 { + mmc@50000 { compatible = "arm,pl180", "arm,primecell"; reg = <0x050000 0x1000>; interrupts = <9>, <10>; @@ -275,7 +328,7 @@ clock-names = "uartclk", "apb_pclk"; }; - wdt@f0000 { + watchdog@f0000 { compatible = "arm,sp805", "arm,primecell"; reg = <0x0f0000 0x1000>; interrupts = <0>; diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index ec13ceb9ed36..f434fe5cf4a1 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -17,18 +17,73 @@ * TAKE CARE WHEN MAINTAINING THIS FILE TO PROPAGATE ANY RELEVANT * CHANGES TO vexpress-v2m-rs1.dtsi! */ +#include <dt-bindings/interrupt-controller/arm-gic.h> / { - bus@4000000 { - motherboard { - model = "V2M-P1"; + bus@40000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x40000000 0x40000000 0x10000000>, + <0x10000000 0x10000000 0x00020000>; + + #interrupt-cells = <1>; + interrupt-map-mask = <0 63>; + interrupt-map = <0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, + <0 1 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, + <0 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, + <0 3 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, + <0 4 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, + <0 5 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, + <0 6 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, + <0 7 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, + <0 8 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <0 9 &gic GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, + <0 10 &gic GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, + <0 11 &gic GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, + <0 12 &gic GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, + <0 13 &gic GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, + <0 14 &gic GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, + <0 15 &gic GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, + <0 16 &gic GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, + <0 17 &gic GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, + <0 18 &gic GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, + <0 19 &gic GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, + <0 20 &gic GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, + <0 21 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, + <0 22 &gic GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, + <0 23 &gic GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, + <0 24 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, + <0 25 &gic GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, + <0 26 &gic GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, + <0 27 &gic GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>, + <0 28 &gic GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, + <0 29 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, + <0 30 &gic GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, + <0 31 &gic GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>, + <0 32 &gic GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, + <0 33 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, + <0 34 &gic GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, + <0 35 &gic GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>, + <0 36 &gic GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, + <0 37 &gic GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, + <0 38 &gic GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, + <0 39 &gic GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, + <0 40 &gic GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, + <0 41 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, + <0 42 &gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + + motherboard-bus@40000000 { arm,hbi = <0x190>; arm,vexpress,site = <0>; compatible = "arm,vexpress,v2m-p1", "simple-bus"; #address-cells = <2>; /* SMB chipselect number and offset */ #size-cells = <1>; - #interrupt-cells = <1>; - ranges; + ranges = <0 0 0x40000000 0x04000000>, + <1 0 0x44000000 0x04000000>, + <2 0 0x48000000 0x04000000>, + <3 0 0x4c000000 0x04000000>, + <7 0 0x10000000 0x00020000>; flash@0,00000000 { compatible = "arm,vexpress-flash", "cfi-flash"; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts index e63c5c0bfb43..679537e17ff5 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts @@ -237,62 +237,7 @@ }; bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 63>; - interrupt-map = <0 0 0 &gic 0 0 4>, - <0 0 1 &gic 0 1 4>, - <0 0 2 &gic 0 2 4>, - <0 0 3 &gic 0 3 4>, - <0 0 4 &gic 0 4 4>, - <0 0 5 &gic 0 5 4>, - <0 0 6 &gic 0 6 4>, - <0 0 7 &gic 0 7 4>, - <0 0 8 &gic 0 8 4>, - <0 0 9 &gic 0 9 4>, - <0 0 10 &gic 0 10 4>, - <0 0 11 &gic 0 11 4>, - <0 0 12 &gic 0 12 4>, - <0 0 13 &gic 0 13 4>, - <0 0 14 &gic 0 14 4>, - <0 0 15 &gic 0 15 4>, - <0 0 16 &gic 0 16 4>, - <0 0 17 &gic 0 17 4>, - <0 0 18 &gic 0 18 4>, - <0 0 19 &gic 0 19 4>, - <0 0 20 &gic 0 20 4>, - <0 0 21 &gic 0 21 4>, - <0 0 22 &gic 0 22 4>, - <0 0 23 &gic 0 23 4>, - <0 0 24 &gic 0 24 4>, - <0 0 25 &gic 0 25 4>, - <0 0 26 &gic 0 26 4>, - <0 0 27 &gic 0 27 4>, - <0 0 28 &gic 0 28 4>, - <0 0 29 &gic 0 29 4>, - <0 0 30 &gic 0 30 4>, - <0 0 31 &gic 0 31 4>, - <0 0 32 &gic 0 32 4>, - <0 0 33 &gic 0 33 4>, - <0 0 34 &gic 0 34 4>, - <0 0 35 &gic 0 35 4>, - <0 0 36 &gic 0 36 4>, - <0 0 37 &gic 0 37 4>, - <0 0 38 &gic 0 38 4>, - <0 0 39 &gic 0 39 4>, - <0 0 40 &gic 0 40 4>, - <0 0 41 &gic 0 41 4>, - <0 0 42 &gic 0 42 4>; + ranges = <0x8000000 0 0x8000000 0x18000000>; }; site2: hsb@40000000 { diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 012d40a7228c..511e87cc2bc5 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -609,62 +609,7 @@ }; smb: bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 63>; - interrupt-map = <0 0 0 &gic 0 0 4>, - <0 0 1 &gic 0 1 4>, - <0 0 2 &gic 0 2 4>, - <0 0 3 &gic 0 3 4>, - <0 0 4 &gic 0 4 4>, - <0 0 5 &gic 0 5 4>, - <0 0 6 &gic 0 6 4>, - <0 0 7 &gic 0 7 4>, - <0 0 8 &gic 0 8 4>, - <0 0 9 &gic 0 9 4>, - <0 0 10 &gic 0 10 4>, - <0 0 11 &gic 0 11 4>, - <0 0 12 &gic 0 12 4>, - <0 0 13 &gic 0 13 4>, - <0 0 14 &gic 0 14 4>, - <0 0 15 &gic 0 15 4>, - <0 0 16 &gic 0 16 4>, - <0 0 17 &gic 0 17 4>, - <0 0 18 &gic 0 18 4>, - <0 0 19 &gic 0 19 4>, - <0 0 20 &gic 0 20 4>, - <0 0 21 &gic 0 21 4>, - <0 0 22 &gic 0 22 4>, - <0 0 23 &gic 0 23 4>, - <0 0 24 &gic 0 24 4>, - <0 0 25 &gic 0 25 4>, - <0 0 26 &gic 0 26 4>, - <0 0 27 &gic 0 27 4>, - <0 0 28 &gic 0 28 4>, - <0 0 29 &gic 0 29 4>, - <0 0 30 &gic 0 30 4>, - <0 0 31 &gic 0 31 4>, - <0 0 32 &gic 0 32 4>, - <0 0 33 &gic 0 33 4>, - <0 0 34 &gic 0 34 4>, - <0 0 35 &gic 0 35 4>, - <0 0 36 &gic 0 36 4>, - <0 0 37 &gic 0 37 4>, - <0 0 38 &gic 0 38 4>, - <0 0 39 &gic 0 39 4>, - <0 0 40 &gic 0 40 4>, - <0 0 41 &gic 0 41 4>, - <0 0 42 &gic 0 42 4>; + ranges = <0x8000000 0 0x8000000 0x18000000>; }; site2: hsb@40000000 { diff --git a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts index 7aa64ae25779..3b88209bacea 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca5s.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca5s.dts @@ -207,62 +207,7 @@ }; smb: bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0x08000000 0x04000000>, - <1 0 0x14000000 0x04000000>, - <2 0 0x18000000 0x04000000>, - <3 0 0x1c000000 0x04000000>, - <4 0 0x0c000000 0x04000000>, - <5 0 0x10000000 0x04000000>; - - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 63>; - interrupt-map = <0 0 0 &gic 0 0 4>, - <0 0 1 &gic 0 1 4>, - <0 0 2 &gic 0 2 4>, - <0 0 3 &gic 0 3 4>, - <0 0 4 &gic 0 4 4>, - <0 0 5 &gic 0 5 4>, - <0 0 6 &gic 0 6 4>, - <0 0 7 &gic 0 7 4>, - <0 0 8 &gic 0 8 4>, - <0 0 9 &gic 0 9 4>, - <0 0 10 &gic 0 10 4>, - <0 0 11 &gic 0 11 4>, - <0 0 12 &gic 0 12 4>, - <0 0 13 &gic 0 13 4>, - <0 0 14 &gic 0 14 4>, - <0 0 15 &gic 0 15 4>, - <0 0 16 &gic 0 16 4>, - <0 0 17 &gic 0 17 4>, - <0 0 18 &gic 0 18 4>, - <0 0 19 &gic 0 19 4>, - <0 0 20 &gic 0 20 4>, - <0 0 21 &gic 0 21 4>, - <0 0 22 &gic 0 22 4>, - <0 0 23 &gic 0 23 4>, - <0 0 24 &gic 0 24 4>, - <0 0 25 &gic 0 25 4>, - <0 0 26 &gic 0 26 4>, - <0 0 27 &gic 0 27 4>, - <0 0 28 &gic 0 28 4>, - <0 0 29 &gic 0 29 4>, - <0 0 30 &gic 0 30 4>, - <0 0 31 &gic 0 31 4>, - <0 0 32 &gic 0 32 4>, - <0 0 33 &gic 0 33 4>, - <0 0 34 &gic 0 34 4>, - <0 0 35 &gic 0 35 4>, - <0 0 36 &gic 0 36 4>, - <0 0 37 &gic 0 37 4>, - <0 0 38 &gic 0 38 4>, - <0 0 39 &gic 0 39 4>, - <0 0 40 &gic 0 40 4>, - <0 0 41 &gic 0 41 4>, - <0 0 42 &gic 0 42 4>; + ranges = <0 0x8000000 0x18000000>; }; site2: hsb@40000000 { diff --git a/arch/arm/boot/dts/vexpress-v2p-ca9.dts b/arch/arm/boot/dts/vexpress-v2p-ca9.dts index 4c5847955856..5916e4877eac 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca9.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca9.dts @@ -295,64 +295,6 @@ }; }; - smb: bus@4000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0x40000000 0x04000000>, - <1 0 0x44000000 0x04000000>, - <2 0 0x48000000 0x04000000>, - <3 0 0x4c000000 0x04000000>, - <7 0 0x10000000 0x00020000>; - - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 63>; - interrupt-map = <0 0 0 &gic 0 0 4>, - <0 0 1 &gic 0 1 4>, - <0 0 2 &gic 0 2 4>, - <0 0 3 &gic 0 3 4>, - <0 0 4 &gic 0 4 4>, - <0 0 5 &gic 0 5 4>, - <0 0 6 &gic 0 6 4>, - <0 0 7 &gic 0 7 4>, - <0 0 8 &gic 0 8 4>, - <0 0 9 &gic 0 9 4>, - <0 0 10 &gic 0 10 4>, - <0 0 11 &gic 0 11 4>, - <0 0 12 &gic 0 12 4>, - <0 0 13 &gic 0 13 4>, - <0 0 14 &gic 0 14 4>, - <0 0 15 &gic 0 15 4>, - <0 0 16 &gic 0 16 4>, - <0 0 17 &gic 0 17 4>, - <0 0 18 &gic 0 18 4>, - <0 0 19 &gic 0 19 4>, - <0 0 20 &gic 0 20 4>, - <0 0 21 &gic 0 21 4>, - <0 0 22 &gic 0 22 4>, - <0 0 23 &gic 0 23 4>, - <0 0 24 &gic 0 24 4>, - <0 0 25 &gic 0 25 4>, - <0 0 26 &gic 0 26 4>, - <0 0 27 &gic 0 27 4>, - <0 0 28 &gic 0 28 4>, - <0 0 29 &gic 0 29 4>, - <0 0 30 &gic 0 30 4>, - <0 0 31 &gic 0 31 4>, - <0 0 32 &gic 0 32 4>, - <0 0 33 &gic 0 33 4>, - <0 0 34 &gic 0 34 4>, - <0 0 35 &gic 0 35 4>, - <0 0 36 &gic 0 36 4>, - <0 0 37 &gic 0 37 4>, - <0 0 38 &gic 0 38 4>, - <0 0 39 &gic 0 39 4>, - <0 0 40 &gic 0 40 4>, - <0 0 41 &gic 0 41 4>, - <0 0 42 &gic 0 42 4>; - }; - site2: hsb@e0000000 { compatible = "simple-bus"; #address-cells = <1>; diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index efeb5724d9e9..6237ede2f0c7 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -40,7 +40,9 @@ EXPORT_SYMBOL(sharpsl_param); void sharpsl_save_param(void) { - memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info)); + struct sharpsl_param_info *params = param_start(PARAM_BASE); + + memcpy(&sharpsl_param, params, sizeof(*params)); if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) sharpsl_param.comadj=-1; diff --git a/arch/arm/configs/gemini_defconfig b/arch/arm/configs/gemini_defconfig index d2d5f1cf815f..e6ff844821cf 100644 --- a/arch/arm/configs/gemini_defconfig +++ b/arch/arm/configs/gemini_defconfig @@ -76,6 +76,7 @@ CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_DRM=y CONFIG_DRM_PANEL_ILITEK_IL9322=y CONFIG_DRM_TVE200=y +CONFIG_FB=y CONFIG_LOGO=y CONFIG_USB=y CONFIG_USB_MON=y diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig index ccee86d0045d..5e4128dadd8d 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -292,6 +292,7 @@ CONFIG_DRM_IMX_LDB=y CONFIG_DRM_IMX_HDMI=y CONFIG_DRM_ETNAVIV=y CONFIG_DRM_MXSFB=y +CONFIG_FB=y CONFIG_FB_MODE_HELPERS=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_LCD_L4F00242T03=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index ba67c4717dcc..b4f74454f20f 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -456,6 +456,7 @@ CONFIG_PINCTRL_STMFX=y CONFIG_PINCTRL_PALMAS=y CONFIG_PINCTRL_OWL=y CONFIG_PINCTRL_S500=y +CONFIG_PINCTRL_MSM=y CONFIG_PINCTRL_APQ8064=y CONFIG_PINCTRL_APQ8084=y CONFIG_PINCTRL_IPQ8064=y @@ -725,6 +726,7 @@ CONFIG_DRM_PL111=m CONFIG_DRM_LIMA=m CONFIG_DRM_PANFROST=m CONFIG_DRM_ASPEED_GFX=m +CONFIG_FB=y CONFIG_FB_EFI=y CONFIG_FB_WM8505=y CONFIG_FB_SH_MOBILE_LCDC=y @@ -1122,6 +1124,7 @@ CONFIG_PHY_DM816X_USB=m CONFIG_OMAP_USB2=y CONFIG_TI_PIPE3=y CONFIG_TWL4030_USB=m +CONFIG_RAS=y CONFIG_NVMEM_IMX_OCOTP=y CONFIG_ROCKCHIP_EFUSE=m CONFIG_NVMEM_SUNXI_SID=y diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index d0a800be0486..a41e27ace391 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -628,7 +628,6 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) uprobe_notify_resume(regs); } else { tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); } } local_irq_disable(); diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index d6cfe7c4bb00..8711d6824c1f 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -47,12 +47,26 @@ struct at91_pm_bu { unsigned long ddr_phy_calibration[BACKUP_DDR_PHY_CALIBRATION]; }; +/* + * struct at91_pm_sfrbu_offsets: registers mapping for SFRBU + * @pswbu: power switch BU control registers + */ +struct at91_pm_sfrbu_regs { + struct { + u32 key; + u32 ctrl; + u32 state; + u32 softsw; + } pswbu; +}; + /** * struct at91_soc_pm - AT91 SoC power management data structure * @config_shdwc_ws: wakeup sources configuration function for SHDWC * @config_pmc_ws: wakeup srouces configuration function for PMC * @ws_ids: wakup sources of_device_id array * @data: PM data to be used on last phase of suspend + * @sfrbu_regs: SFRBU registers mapping * @bu: backup unit mapped data (for backup mode) * @memcs: memory chip select */ @@ -62,6 +76,7 @@ struct at91_soc_pm { const struct of_device_id *ws_ids; struct at91_pm_bu *bu; struct at91_pm_data data; + struct at91_pm_sfrbu_regs sfrbu_regs; void *memcs; }; @@ -356,9 +371,36 @@ static int at91_suspend_finish(unsigned long val) return 0; } +static void at91_pm_switch_ba_to_vbat(void) +{ + unsigned int offset = offsetof(struct at91_pm_sfrbu_regs, pswbu); + unsigned int val; + + /* Just for safety. */ + if (!soc_pm.data.sfrbu) + return; + + val = readl(soc_pm.data.sfrbu + offset); + + /* Already on VBAT. */ + if (!(val & soc_pm.sfrbu_regs.pswbu.state)) + return; + + val &= ~soc_pm.sfrbu_regs.pswbu.softsw; + val |= soc_pm.sfrbu_regs.pswbu.key | soc_pm.sfrbu_regs.pswbu.ctrl; + writel(val, soc_pm.data.sfrbu + offset); + + /* Wait for update. */ + val = readl(soc_pm.data.sfrbu + offset); + while (val & soc_pm.sfrbu_regs.pswbu.state) + val = readl(soc_pm.data.sfrbu + offset); +} + static void at91_pm_suspend(suspend_state_t state) { if (soc_pm.data.mode == AT91_PM_BACKUP) { + at91_pm_switch_ba_to_vbat(); + cpu_suspend(0, at91_suspend_finish); /* The SRAM is lost between suspend cycles */ @@ -589,18 +631,22 @@ static const struct of_device_id ramc_phy_ids[] __initconst = { { /* Sentinel. */ }, }; -static __init void at91_dt_ramc(bool phy_mandatory) +static __init int at91_dt_ramc(bool phy_mandatory) { struct device_node *np; const struct of_device_id *of_id; int idx = 0; void *standby = NULL; const struct ramc_info *ramc; + int ret; for_each_matching_node_and_match(np, ramc_ids, &of_id) { soc_pm.data.ramc[idx] = of_iomap(np, 0); - if (!soc_pm.data.ramc[idx]) - panic(pr_fmt("unable to map ramc[%d] cpu registers\n"), idx); + if (!soc_pm.data.ramc[idx]) { + pr_err("unable to map ramc[%d] cpu registers\n", idx); + ret = -ENOMEM; + goto unmap_ramc; + } ramc = of_id->data; if (ramc) { @@ -612,25 +658,42 @@ static __init void at91_dt_ramc(bool phy_mandatory) idx++; } - if (!idx) - panic(pr_fmt("unable to find compatible ram controller node in dtb\n")); + if (!idx) { + pr_err("unable to find compatible ram controller node in dtb\n"); + ret = -ENODEV; + goto unmap_ramc; + } /* Lookup for DDR PHY node, if any. */ for_each_matching_node_and_match(np, ramc_phy_ids, &of_id) { soc_pm.data.ramc_phy = of_iomap(np, 0); - if (!soc_pm.data.ramc_phy) - panic(pr_fmt("unable to map ramc phy cpu registers\n")); + if (!soc_pm.data.ramc_phy) { + pr_err("unable to map ramc phy cpu registers\n"); + ret = -ENOMEM; + goto unmap_ramc; + } } - if (phy_mandatory && !soc_pm.data.ramc_phy) - panic(pr_fmt("DDR PHY is mandatory!\n")); + if (phy_mandatory && !soc_pm.data.ramc_phy) { + pr_err("DDR PHY is mandatory!\n"); + ret = -ENODEV; + goto unmap_ramc; + } if (!standby) { pr_warn("ramc no standby function available\n"); - return; + return 0; } at91_cpuidle_device.dev.platform_data = standby; + + return 0; + +unmap_ramc: + while (idx) + iounmap(soc_pm.data.ramc[--idx]); + + return ret; } static void at91rm9200_idle(void) @@ -1017,6 +1080,8 @@ static void __init at91_pm_init(void (*pm_idle)(void)) void __init at91rm9200_pm_init(void) { + int ret; + if (!IS_ENABLED(CONFIG_SOC_AT91RM9200)) return; @@ -1028,7 +1093,9 @@ void __init at91rm9200_pm_init(void) soc_pm.data.standby_mode = AT91_PM_STANDBY; soc_pm.data.suspend_mode = AT91_PM_ULP0; - at91_dt_ramc(false); + ret = at91_dt_ramc(false); + if (ret) + return; /* * AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. @@ -1046,13 +1113,17 @@ void __init sam9x60_pm_init(void) static const int iomaps[] __initconst = { [AT91_PM_ULP1] = AT91_PM_IOMAP(SHDWC), }; + int ret; if (!IS_ENABLED(CONFIG_SOC_SAM9X60)) return; at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps)); - at91_dt_ramc(false); + ret = at91_dt_ramc(false); + if (ret) + return; + at91_pm_init(NULL); soc_pm.ws_ids = sam9x60_ws_ids; @@ -1061,6 +1132,8 @@ void __init sam9x60_pm_init(void) void __init at91sam9_pm_init(void) { + int ret; + if (!IS_ENABLED(CONFIG_SOC_AT91SAM9)) return; @@ -1072,7 +1145,10 @@ void __init at91sam9_pm_init(void) soc_pm.data.standby_mode = AT91_PM_STANDBY; soc_pm.data.suspend_mode = AT91_PM_ULP0; - at91_dt_ramc(false); + ret = at91_dt_ramc(false); + if (ret) + return; + at91_pm_init(at91sam9_idle); } @@ -1081,12 +1157,16 @@ void __init sama5_pm_init(void) static const int modes[] __initconst = { AT91_PM_STANDBY, AT91_PM_ULP0, AT91_PM_ULP0_FAST, }; + int ret; if (!IS_ENABLED(CONFIG_SOC_SAMA5)) return; at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); - at91_dt_ramc(false); + ret = at91_dt_ramc(false); + if (ret) + return; + at91_pm_init(NULL); } @@ -1101,18 +1181,27 @@ void __init sama5d2_pm_init(void) [AT91_PM_BACKUP] = AT91_PM_IOMAP(SHDWC) | AT91_PM_IOMAP(SFRBU), }; + int ret; if (!IS_ENABLED(CONFIG_SOC_SAMA5D2)) return; at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps)); - at91_dt_ramc(false); + ret = at91_dt_ramc(false); + if (ret) + return; + at91_pm_init(NULL); soc_pm.ws_ids = sama5d2_ws_ids; soc_pm.config_shdwc_ws = at91_sama5d2_config_shdwc_ws; soc_pm.config_pmc_ws = at91_sama5d2_config_pmc_ws; + + soc_pm.sfrbu_regs.pswbu.key = (0x4BD20C << 8); + soc_pm.sfrbu_regs.pswbu.ctrl = BIT(0); + soc_pm.sfrbu_regs.pswbu.softsw = BIT(1); + soc_pm.sfrbu_regs.pswbu.state = BIT(3); } void __init sama7_pm_init(void) @@ -1127,18 +1216,27 @@ void __init sama7_pm_init(void) [AT91_PM_BACKUP] = AT91_PM_IOMAP(SFRBU) | AT91_PM_IOMAP(SHDWC), }; + int ret; if (!IS_ENABLED(CONFIG_SOC_SAMA7)) return; at91_pm_modes_validate(modes, ARRAY_SIZE(modes)); - at91_dt_ramc(true); + ret = at91_dt_ramc(true); + if (ret) + return; + at91_pm_modes_init(iomaps, ARRAY_SIZE(iomaps)); at91_pm_init(NULL); soc_pm.ws_ids = sama7g5_ws_ids; soc_pm.config_pmc_ws = at91_sam9x60_config_pmc_ws; + + soc_pm.sfrbu_regs.pswbu.key = (0x4BD20C << 8); + soc_pm.sfrbu_regs.pswbu.ctrl = BIT(0); + soc_pm.sfrbu_regs.pswbu.softsw = BIT(1); + soc_pm.sfrbu_regs.pswbu.state = BIT(2); } static int __init at91_pm_modes_select(char *str) diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index cbd61a3bcab1..fdb4f63ecde4 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -1014,31 +1014,55 @@ ENTRY(at91_pm_suspend_in_sram) mov tmp1, #0 mcr p15, 0, tmp1, c7, c10, 4 + /* Flush tlb. */ + mov r4, #0 + mcr p15, 0, r4, c8, c7, 0 + + ldr tmp1, [r0, #PM_DATA_PMC_MCKR_OFFSET] + str tmp1, .mckr_offset + ldr tmp1, [r0, #PM_DATA_PMC_VERSION] + str tmp1, .pmc_version + ldr tmp1, [r0, #PM_DATA_MEMCTRL] + str tmp1, .memtype + ldr tmp1, [r0, #PM_DATA_MODE] + str tmp1, .pm_mode + + /* + * ldrne below are here to preload their address in the TLB as access + * to RAM may be limited while in self-refresh. + */ ldr tmp1, [r0, #PM_DATA_PMC] str tmp1, .pmc_base + cmp tmp1, #0 + ldrne tmp2, [tmp1, #0] + ldr tmp1, [r0, #PM_DATA_RAMC0] str tmp1, .sramc_base + cmp tmp1, #0 + ldrne tmp2, [tmp1, #0] + ldr tmp1, [r0, #PM_DATA_RAMC1] str tmp1, .sramc1_base + cmp tmp1, #0 + ldrne tmp2, [tmp1, #0] + +#ifndef CONFIG_SOC_SAM_V4_V5 + /* ldrne below are here to preload their address in the TLB */ ldr tmp1, [r0, #PM_DATA_RAMC_PHY] str tmp1, .sramc_phy_base - ldr tmp1, [r0, #PM_DATA_MEMCTRL] - str tmp1, .memtype - ldr tmp1, [r0, #PM_DATA_MODE] - str tmp1, .pm_mode - ldr tmp1, [r0, #PM_DATA_PMC_MCKR_OFFSET] - str tmp1, .mckr_offset - ldr tmp1, [r0, #PM_DATA_PMC_VERSION] - str tmp1, .pmc_version - /* Both ldrne below are here to preload their address in the TLB */ + cmp tmp1, #0 + ldrne tmp2, [tmp1, #0] + ldr tmp1, [r0, #PM_DATA_SHDWC] str tmp1, .shdwc cmp tmp1, #0 ldrne tmp2, [tmp1, #0] + ldr tmp1, [r0, #PM_DATA_SFRBU] str tmp1, .sfrbu cmp tmp1, #0 ldrne tmp2, [tmp1, #0x10] +#endif /* Active the self-refresh mode */ at91_sramc_self_refresh_ena diff --git a/arch/arm/mach-dove/include/mach/uncompress.h b/arch/arm/mach-dove/include/mach/uncompress.h index 7a4bd8838036..ddf873f35e2b 100644 --- a/arch/arm/mach-dove/include/mach/uncompress.h +++ b/arch/arm/mach-dove/include/mach/uncompress.h @@ -11,7 +11,7 @@ #define LSR_THRE 0x20 -static void putc(const char c) +static inline void putc(const char c) { int i; @@ -24,7 +24,7 @@ static void putc(const char c) *UART_THR = c; } -static void flush(void) +static inline void flush(void) { } diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 11dcc369ec14..c9d7c29d95e1 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -172,6 +172,9 @@ static void __init imx6q_init_machine(void) imx_get_soc_revision()); imx6q_enet_phy_init(); + + of_platform_default_populate(NULL, NULL, NULL); + imx_anatop_init(); cpu_is_imx6q() ? imx6q_pm_init() : imx6dl_pm_init(); imx6q_1588_init(); diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 9244437cb1b9..f2ecca339910 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -10,6 +10,7 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/genalloc.h> +#include <linux/irqchip/arm-gic.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/of.h> @@ -619,6 +620,7 @@ static void __init imx6_pm_common_init(const struct imx6_pm_socdata static void imx6_pm_stby_poweroff(void) { + gic_cpu_if_down(0); imx6_set_lpm(STOP_POWER_OFF); imx6q_suspend_finish(0); diff --git a/arch/arm/mach-omap1/include/mach/memory.h b/arch/arm/mach-omap1/include/mach/memory.h index 36bc0000cb6a..ba3a350479c8 100644 --- a/arch/arm/mach-omap1/include/mach/memory.h +++ b/arch/arm/mach-omap1/include/mach/memory.h @@ -9,16 +9,4 @@ /* REVISIT: omap1 legacy drivers still rely on this */ #include <mach/soc.h> -/* - * Bus address is physical address, except for OMAP-1510 Local Bus. - * OMAP-1510 bus address is translated into a Local Bus address if the - * OMAP bus type is lbus. We do the address translation based on the - * device overriding the defaults used in the dma-mapping API. - */ - -/* - * OMAP-1510 Local Bus address offset - */ -#define OMAP1510_LB_OFFSET UL(0x30000000) - #endif diff --git a/arch/arm/mach-omap1/usb.c b/arch/arm/mach-omap1/usb.c index 86d3b3c157af..e60831c82b78 100644 --- a/arch/arm/mach-omap1/usb.c +++ b/arch/arm/mach-omap1/usb.c @@ -11,6 +11,7 @@ #include <linux/platform_device.h> #include <linux/dma-map-ops.h> #include <linux/io.h> +#include <linux/delay.h> #include <asm/irq.h> @@ -206,8 +207,6 @@ static inline void udc_device_init(struct omap_usb_config *pdata) #endif -#if IS_ENABLED(CONFIG_USB_OHCI_HCD) - /* The dmamask must be set for OHCI to work */ static u64 ohci_dmamask = ~(u32)0; @@ -236,20 +235,15 @@ static struct platform_device ohci_device = { static inline void ohci_device_init(struct omap_usb_config *pdata) { + if (!IS_ENABLED(CONFIG_USB_OHCI_HCD)) + return; + if (cpu_is_omap7xx()) ohci_resources[1].start = INT_7XX_USB_HHC_1; pdata->ohci_device = &ohci_device; pdata->ocpi_enable = &ocpi_enable; } -#else - -static inline void ohci_device_init(struct omap_usb_config *pdata) -{ -} - -#endif - #if defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG) static struct resource otg_resources[] = { @@ -534,33 +528,87 @@ bad: } #ifdef CONFIG_ARCH_OMAP15XX +/* OMAP-1510 OHCI has its own MMU for DMA */ +#define OMAP1510_LB_MEMSIZE 32 /* Should be same as SDRAM size */ +#define OMAP1510_LB_CLOCK_DIV 0xfffec10c +#define OMAP1510_LB_MMU_CTL 0xfffec208 +#define OMAP1510_LB_MMU_LCK 0xfffec224 +#define OMAP1510_LB_MMU_LD_TLB 0xfffec228 +#define OMAP1510_LB_MMU_CAM_H 0xfffec22c +#define OMAP1510_LB_MMU_CAM_L 0xfffec230 +#define OMAP1510_LB_MMU_RAM_H 0xfffec234 +#define OMAP1510_LB_MMU_RAM_L 0xfffec238 -/* ULPD_DPLL_CTRL */ -#define DPLL_IOB (1 << 13) -#define DPLL_PLL_ENABLE (1 << 4) -#define DPLL_LOCK (1 << 0) +/* + * Bus address is physical address, except for OMAP-1510 Local Bus. + * OMAP-1510 bus address is translated into a Local Bus address if the + * OMAP bus type is lbus. + */ +#define OMAP1510_LB_OFFSET UL(0x30000000) -/* ULPD_APLL_CTRL */ -#define APLL_NDPLL_SWITCH (1 << 0) +/* + * OMAP-1510 specific Local Bus clock on/off + */ +static int omap_1510_local_bus_power(int on) +{ + if (on) { + omap_writel((1 << 1) | (1 << 0), OMAP1510_LB_MMU_CTL); + udelay(200); + } else { + omap_writel(0, OMAP1510_LB_MMU_CTL); + } -static int omap_1510_usb_ohci_notifier(struct notifier_block *nb, - unsigned long event, void *data) + return 0; +} + +/* + * OMAP-1510 specific Local Bus initialization + * NOTE: This assumes 32MB memory size in OMAP1510LB_MEMSIZE. + * See also arch/mach-omap/memory.h for __virt_to_dma() and + * __dma_to_virt() which need to match with the physical + * Local Bus address below. + */ +static int omap_1510_local_bus_init(void) { - struct device *dev = data; + unsigned int tlb; + unsigned long lbaddr, physaddr; + + omap_writel((omap_readl(OMAP1510_LB_CLOCK_DIV) & 0xfffffff8) | 0x4, + OMAP1510_LB_CLOCK_DIV); + + /* Configure the Local Bus MMU table */ + for (tlb = 0; tlb < OMAP1510_LB_MEMSIZE; tlb++) { + lbaddr = tlb * 0x00100000 + OMAP1510_LB_OFFSET; + physaddr = tlb * 0x00100000 + PHYS_OFFSET; + omap_writel((lbaddr & 0x0fffffff) >> 22, OMAP1510_LB_MMU_CAM_H); + omap_writel(((lbaddr & 0x003ffc00) >> 6) | 0xc, + OMAP1510_LB_MMU_CAM_L); + omap_writel(physaddr >> 16, OMAP1510_LB_MMU_RAM_H); + omap_writel((physaddr & 0x0000fc00) | 0x300, OMAP1510_LB_MMU_RAM_L); + omap_writel(tlb << 4, OMAP1510_LB_MMU_LCK); + omap_writel(0x1, OMAP1510_LB_MMU_LD_TLB); + } - if (event != BUS_NOTIFY_ADD_DEVICE) - return NOTIFY_DONE; + /* Enable the walking table */ + omap_writel(omap_readl(OMAP1510_LB_MMU_CTL) | (1 << 3), OMAP1510_LB_MMU_CTL); + udelay(200); - if (strncmp(dev_name(dev), "ohci", 4) == 0 && - dma_direct_set_offset(dev, PHYS_OFFSET, OMAP1510_LB_OFFSET, - (u64)-1)) - WARN_ONCE(1, "failed to set DMA offset\n"); - return NOTIFY_OK; + return 0; } -static struct notifier_block omap_1510_usb_ohci_nb = { - .notifier_call = omap_1510_usb_ohci_notifier, -}; +static void omap_1510_local_bus_reset(void) +{ + omap_1510_local_bus_power(1); + omap_1510_local_bus_init(); +} + +/* ULPD_DPLL_CTRL */ +#define DPLL_IOB (1 << 13) +#define DPLL_PLL_ENABLE (1 << 4) +#define DPLL_LOCK (1 << 0) + +/* ULPD_APLL_CTRL */ +#define APLL_NDPLL_SWITCH (1 << 0) static void __init omap_1510_usb_init(struct omap_usb_config *config) { @@ -616,19 +664,19 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config) } #endif -#if IS_ENABLED(CONFIG_USB_OHCI_HCD) - if (config->register_host) { + if (IS_ENABLED(CONFIG_USB_OHCI_HCD) && config->register_host) { int status; - bus_register_notifier(&platform_bus_type, - &omap_1510_usb_ohci_nb); ohci_device.dev.platform_data = config; + dma_direct_set_offset(&ohci_device.dev, PHYS_OFFSET, + OMAP1510_LB_OFFSET, (u64)-1); status = platform_device_register(&ohci_device); if (status) pr_debug("can't register OHCI device, %d\n", status); /* hcd explicitly gates 48MHz */ + + config->lb_reset = omap_1510_local_bus_reset; } -#endif } #else diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 12b26e04686f..0c2936c7a379 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3614,6 +3614,8 @@ int omap_hwmod_init_module(struct device *dev, oh->flags |= HWMOD_SWSUP_SIDLE_ACT; if (data->cfg->quirks & SYSC_QUIRK_SWSUP_MSTANDBY) oh->flags |= HWMOD_SWSUP_MSTANDBY; + if (data->cfg->quirks & SYSC_QUIRK_CLKDM_NOAUTO) + oh->flags |= HWMOD_CLKDM_NOAUTO; error = omap_hwmod_check_module(dev, oh, data, sysc_fields, rev_offs, sysc_offs, syss_offs, diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index a951276f0547..a903b26cde40 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -36,6 +36,10 @@ * +-----+ * |RSVD | JIT scratchpad * current ARM_SP => +-----+ <= (BPF_FP - STACK_SIZE + SCRATCH_SIZE) + * | ... | caller-saved registers + * +-----+ + * | ... | arguments passed on stack + * ARM_SP during call => +-----| * | | * | ... | Function call stack * | | @@ -63,6 +67,12 @@ * * When popping registers off the stack at the end of a BPF function, we * reference them via the current ARM_FP register. + * + * Some eBPF operations are implemented via a call to a helper function. + * Such calls are "invisible" in the eBPF code, so it is up to the calling + * program to preserve any caller-saved ARM registers during the call. The + * JIT emits code to push and pop those registers onto the stack, immediately + * above the callee stack frame. */ #define CALLEE_MASK (1 << ARM_R4 | 1 << ARM_R5 | 1 << ARM_R6 | \ 1 << ARM_R7 | 1 << ARM_R8 | 1 << ARM_R9 | \ @@ -70,6 +80,8 @@ #define CALLEE_PUSH_MASK (CALLEE_MASK | 1 << ARM_LR) #define CALLEE_POP_MASK (CALLEE_MASK | 1 << ARM_PC) +#define CALLER_MASK (1 << ARM_R0 | 1 << ARM_R1 | 1 << ARM_R2 | 1 << ARM_R3) + enum { /* Stack layout - these are offsets from (top of stack - 4) */ BPF_R2_HI, @@ -464,6 +476,7 @@ static inline int epilogue_offset(const struct jit_ctx *ctx) static inline void emit_udivmod(u8 rd, u8 rm, u8 rn, struct jit_ctx *ctx, u8 op) { + const int exclude_mask = BIT(ARM_R0) | BIT(ARM_R1); const s8 *tmp = bpf2a32[TMP_REG_1]; #if __LINUX_ARM_ARCH__ == 7 @@ -495,11 +508,17 @@ static inline void emit_udivmod(u8 rd, u8 rm, u8 rn, struct jit_ctx *ctx, u8 op) emit(ARM_MOV_R(ARM_R0, rm), ctx); } + /* Push caller-saved registers on stack */ + emit(ARM_PUSH(CALLER_MASK & ~exclude_mask), ctx); + /* Call appropriate function */ emit_mov_i(ARM_IP, op == BPF_DIV ? (u32)jit_udiv32 : (u32)jit_mod32, ctx); emit_blx_r(ARM_IP, ctx); + /* Restore caller-saved registers from stack */ + emit(ARM_POP(CALLER_MASK & ~exclude_mask), ctx); + /* Save return value */ if (rd != ARM_R0) emit(ARM_MOV_R(rd, ARM_R0), ctx); diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 077f2ec4eeb2..fee914c716aa 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -86,7 +86,7 @@ config ARM64 select ARCH_SUPPORTS_LTO_CLANG_THIN select ARCH_SUPPORTS_CFI_CLANG select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG) + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT select ARCH_WANT_DEFAULT_BPF_JIT @@ -1931,8 +1931,6 @@ source "drivers/cpufreq/Kconfig" endmenu -source "drivers/firmware/Kconfig" - source "drivers/acpi/Kconfig" source "arch/arm64/kvm/Kconfig" diff --git a/arch/arm64/boot/dts/arm/foundation-v8.dtsi b/arch/arm64/boot/dts/arm/foundation-v8.dtsi index 05ae893d1b2e..fbf13f7c2baf 100644 --- a/arch/arm64/boot/dts/arm/foundation-v8.dtsi +++ b/arch/arm64/boot/dts/arm/foundation-v8.dtsi @@ -115,7 +115,6 @@ bus@8000000 { compatible = "arm,vexpress,v2m-p1", "simple-bus"; - arm,v2m-memory-map = "rs1"; #address-cells = <2>; /* SMB chipselect number and offset */ #size-cells = <1>; diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts index b8a21092db4d..269b649934b5 100644 --- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts +++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts @@ -192,32 +192,9 @@ remote-endpoint = <&clcd_pads>; }; }; - - panel-timing { - clock-frequency = <63500127>; - hactive = <1024>; - hback-porch = <152>; - hfront-porch = <48>; - hsync-len = <104>; - vactive = <768>; - vback-porch = <23>; - vfront-porch = <3>; - vsync-len = <4>; - }; }; bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - #interrupt-cells = <1>; interrupt-map-mask = <0 0 63>; interrupt-map = <0 0 0 &gic 0 0 GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi index 8e7a66943b01..6288e104a089 100644 --- a/arch/arm64/boot/dts/arm/juno-base.dtsi +++ b/arch/arm64/boot/dts/arm/juno-base.dtsi @@ -27,8 +27,6 @@ reg = <0x0 0x2b1f0000 0x0 0x1000>; interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "mhu_lpri_rx", - "mhu_hpri_rx"; #mbox-cells = <1>; clocks = <&soc_refclk100mhz>; clock-names = "apb_pclk"; @@ -804,16 +802,6 @@ }; bus@8000000 { - compatible = "simple-bus"; - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - #interrupt-cells = <1>; interrupt-map-mask = <0 0 15>; interrupt-map = <0 0 0 &gic 0 GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi index 40d95c58b55e..fefd2b5f0176 100644 --- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi +++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi @@ -92,16 +92,23 @@ }; bus@8000000 { - motherboard-bus { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0x8000000 0 0x8000000 0x18000000>; + + motherboard-bus@8000000 { compatible = "arm,vexpress,v2p-p1", "simple-bus"; #address-cells = <2>; /* SMB chipselect number and offset */ #size-cells = <1>; - #interrupt-cells = <1>; - ranges; - model = "V2M-Juno"; + ranges = <0 0 0 0x08000000 0x04000000>, + <1 0 0 0x14000000 0x04000000>, + <2 0 0 0x18000000 0x04000000>, + <3 0 0 0x1c000000 0x04000000>, + <4 0 0 0x0c000000 0x04000000>, + <5 0 0 0x10000000 0x04000000>; arm,hbi = <0x252>; arm,vexpress,site = <0>; - arm,v2m-memory-map = "rs1"; flash@0 { /* 2 * 32MiB NOR Flash memory mounted on CS0 */ @@ -218,7 +225,7 @@ }; }; - mmci@50000 { + mmc@50000 { compatible = "arm,pl180", "arm,primecell"; reg = <0x050000 0x1000>; interrupts = <5>; @@ -246,7 +253,7 @@ clock-names = "KMIREFCLK", "apb_pclk"; }; - wdt@f0000 { + watchdog@f0000 { compatible = "arm,sp805", "arm,primecell"; reg = <0x0f0000 0x10000>; interrupts = <7>; diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts index 3050f45bade4..258991ad7cc0 100644 --- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts +++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts @@ -133,17 +133,6 @@ }; bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - #interrupt-cells = <1>; interrupt-map-mask = <0 0 63>; interrupt-map = <0 0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi index b917d9d3f1c4..33182d9e5826 100644 --- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi +++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard-rs2.dtsi @@ -6,7 +6,7 @@ */ / { bus@8000000 { - motherboard-bus { + motherboard-bus@8000000 { arm,v2m-memory-map = "rs2"; iofpga-bus@300000000 { diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi index 4c4a381d2c75..5f6cab668aa0 100644 --- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi +++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi @@ -77,13 +77,21 @@ }; bus@8000000 { - motherboard-bus { - arm,v2m-memory-map = "rs1"; + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0x8000000 0 0x8000000 0x18000000>; + + motherboard-bus@8000000 { compatible = "arm,vexpress,v2m-p1", "simple-bus"; #address-cells = <2>; /* SMB chipselect number and offset */ #size-cells = <1>; - #interrupt-cells = <1>; - ranges; + ranges = <0 0 0 0x08000000 0x04000000>, + <1 0 0 0x14000000 0x04000000>, + <2 0 0 0x18000000 0x04000000>, + <3 0 0 0x1c000000 0x04000000>, + <4 0 0 0x0c000000 0x04000000>, + <5 0 0 0x10000000 0x04000000>; flash@0 { compatible = "arm,vexpress-flash", "cfi-flash"; @@ -130,7 +138,7 @@ clock-names = "apb_pclk"; }; - mmci@50000 { + mmc@50000 { compatible = "arm,pl180", "arm,primecell"; reg = <0x050000 0x1000>; interrupts = <9>, <10>; @@ -190,7 +198,7 @@ clock-names = "uartclk", "apb_pclk"; }; - wdt@f0000 { + watchdog@f0000 { compatible = "arm,sp805", "arm,primecell"; reg = <0x0f0000 0x1000>; interrupts = <0>; diff --git a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts index d859914500a7..5b6d9d8e934d 100644 --- a/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts +++ b/arch/arm64/boot/dts/arm/vexpress-v2f-1xv7-ca53x2.dts @@ -145,61 +145,6 @@ }; smb: bus@8000000 { - compatible = "simple-bus"; - - #address-cells = <2>; - #size-cells = <1>; - ranges = <0 0 0 0x08000000 0x04000000>, - <1 0 0 0x14000000 0x04000000>, - <2 0 0 0x18000000 0x04000000>, - <3 0 0 0x1c000000 0x04000000>, - <4 0 0 0x0c000000 0x04000000>, - <5 0 0 0x10000000 0x04000000>; - - #interrupt-cells = <1>; - interrupt-map-mask = <0 0 63>; - interrupt-map = <0 0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>, - <0 0 1 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>, - <0 0 2 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>, - <0 0 3 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>, - <0 0 4 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>, - <0 0 5 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>, - <0 0 6 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>, - <0 0 7 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, - <0 0 8 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, - <0 0 9 &gic GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>, - <0 0 10 &gic GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>, - <0 0 11 &gic GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>, - <0 0 12 &gic GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>, - <0 0 13 &gic GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>, - <0 0 14 &gic GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>, - <0 0 15 &gic GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>, - <0 0 16 &gic GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, - <0 0 17 &gic GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, - <0 0 18 &gic GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, - <0 0 19 &gic GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>, - <0 0 20 &gic GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>, - <0 0 21 &gic GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>, - <0 0 22 &gic GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>, - <0 0 23 &gic GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>, - <0 0 24 &gic GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>, - <0 0 25 &gic GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>, - <0 0 26 &gic GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>, - <0 0 27 &gic GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>, - <0 0 28 &gic GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>, - <0 0 29 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>, - <0 0 30 &gic GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>, - <0 0 31 &gic GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>, - <0 0 32 &gic GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>, - <0 0 33 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>, - <0 0 34 &gic GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, - <0 0 35 &gic GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>, - <0 0 36 &gic GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, - <0 0 37 &gic GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, - <0 0 38 &gic GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, - <0 0 39 &gic GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, - <0 0 40 &gic GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, - <0 0 41 &gic GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>, - <0 0 42 &gic GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + ranges = <0x8000000 0 0x8000000 0x18000000>; }; }; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi index 343ecf0e8973..06b36cc65865 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi @@ -405,9 +405,9 @@ interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <0>; /* fixed up by bootloader */ clocks = <&clockgen QORIQ_CLK_HWACCEL 1>; - voltage-ranges = <1800 1800 3300 3300>; + voltage-ranges = <1800 1800>; sdhci,auto-cmd12; - broken-cd; + non-removable; little-endian; bus-width = <4>; status = "disabled"; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi index 988f8ab679ad..40f5e7a3b064 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi @@ -91,7 +91,7 @@ #size-cells = <1>; compatible = "jedec,spi-nor"; spi-max-frequency = <80000000>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index 4e2820d19244..a2b24d4d4e3e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -48,7 +48,7 @@ #size-cells = <1>; compatible = "jedec,spi-nor"; spi-max-frequency = <80000000>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index d0456daefda8..9db9b90bf2bc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -102,6 +102,7 @@ regulator-min-microvolt = <850000>; regulator-max-microvolt = <950000>; regulator-boot-on; + regulator-always-on; regulator-ramp-delay = <3125>; nxp,dvs-run-voltage = <950000>; nxp,dvs-standby-voltage = <850000>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts index 05cb60991fb9..d52686f4c059 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7902.dts @@ -647,7 +647,7 @@ pinctrl_hog: hoggrp { fsl,pins = < MX8MM_IOMUXC_NAND_CE0_B_GPIO3_IO1 0x40000159 /* M2_GDIS# */ - MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x40000041 /* M2_RST# */ + MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13 0x40000041 /* M2_RST# */ MX8MM_IOMUXC_NAND_DATA01_GPIO3_IO7 0x40000119 /* M2_OFF# */ MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x40000159 /* M2_WDIS# */ MX8MM_IOMUXC_SAI1_TXD2_GPIO4_IO14 0x40000041 /* AMP GPIO1 */ diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi index 54eaf3d6055b..3b2d627a0342 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi @@ -101,7 +101,7 @@ #size-cells = <1>; compatible = "jedec,spi-nor"; spi-max-frequency = <80000000>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts index e77db4996e58..236f425e1570 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts +++ b/arch/arm64/boot/dts/freescale/imx8mn-venice-gw7902.dts @@ -633,7 +633,7 @@ pinctrl_hog: hoggrp { fsl,pins = < MX8MN_IOMUXC_NAND_CE0_B_GPIO3_IO1 0x40000159 /* M2_GDIS# */ - MX8MN_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x40000041 /* M2_RST# */ + MX8MN_IOMUXC_GPIO1_IO13_GPIO1_IO13 0x40000041 /* M2_RST# */ MX8MN_IOMUXC_NAND_DATA01_GPIO3_IO7 0x40000119 /* M2_OFF# */ MX8MN_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x40000159 /* M2_WDIS# */ MX8MN_IOMUXC_SAI2_RXFS_GPIO4_IO21 0x40000041 /* APP GPIO1 */ diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi index aa78e0d8c72b..fc178eebf8aa 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi @@ -74,7 +74,7 @@ compatible = "jedec,spi-nor"; reg = <0>; spi-max-frequency = <80000000>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index 49f9db971f3b..b83df77195ec 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -337,6 +337,8 @@ #size-cells = <1>; compatible = "micron,n25q256a", "jedec,spi-nor"; spi-max-frequency = <29000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts index f593e4ff62e1..564746d5000d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts @@ -281,7 +281,7 @@ #address-cells = <1>; #size-cells = <1>; reg = <0>; - spi-tx-bus-width = <4>; + spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; m25p,fast-read; spi-max-frequency = <50000000>; diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi index a620ac0d0b19..db333001df4d 100644 --- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi @@ -487,7 +487,6 @@ interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>; phys = <&qusb_phy_0>, <&usb0_ssphy>; phy-names = "usb2-phy", "usb3-phy"; - tx-fifo-resize; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk; @@ -528,7 +527,6 @@ interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; phys = <&qusb_phy_1>, <&usb1_ssphy>; phy-names = "usb2-phy", "usb3-phy"; - tx-fifo-resize; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk; diff --git a/arch/arm64/boot/dts/qcom/pm8150.dtsi b/arch/arm64/boot/dts/qcom/pm8150.dtsi index c566a64b1373..0df76f7b1cc1 100644 --- a/arch/arm64/boot/dts/qcom/pm8150.dtsi +++ b/arch/arm64/boot/dts/qcom/pm8150.dtsi @@ -48,8 +48,10 @@ #size-cells = <0>; pon: power-on@800 { - compatible = "qcom,pm8916-pon"; + compatible = "qcom,pm8998-pon"; reg = <0x0800>; + mode-bootloader = <0x2>; + mode-recovery = <0x1>; pon_pwrkey: pwrkey { compatible = "qcom,pm8941-pwrkey"; diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index 8ac96f8e79d4..28d5b5528516 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -804,6 +804,16 @@ }; }; +&pon_pwrkey { + status = "okay"; +}; + +&pon_resin { + status = "okay"; + + linux,code = <KEY_VOLUMEDOWN>; +}; + &qupv3_id_0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 0f2b3c00e434..70c88c37de32 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -273,7 +273,6 @@ "Headphone Jack", "HPOL", "Headphone Jack", "HPOR"; - #sound-dai-cells = <0>; #address-cells = <1>; #size-cells = <0>; @@ -301,11 +300,11 @@ }; }; - dai-link@2 { + dai-link@5 { link-name = "MultiMedia2"; - reg = <2>; + reg = <LPASS_DP_RX>; cpu { - sound-dai = <&lpass_cpu 2>; + sound-dai = <&lpass_cpu LPASS_DP_RX>; }; codec { @@ -782,7 +781,7 @@ hp_i2c: &i2c9 { qcom,playback-sd-lines = <0>; }; - hdmi-primary@0 { + hdmi@5 { reg = <LPASS_DP_RX>; }; }; diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 53a21d086178..fd78f16181dd 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -1850,9 +1850,9 @@ cpufreq_hw: cpufreq@18591000 { compatible = "qcom,cpufreq-epss"; - reg = <0 0x18591100 0 0x900>, - <0 0x18592100 0 0x900>, - <0 0x18593100 0 0x900>; + reg = <0 0x18591000 0 0x1000>, + <0 0x18592000 0 0x1000>, + <0 0x18593000 0 0x1000>; clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>; clock-names = "xo", "alternate"; #freq-domain-cells = <1>; diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi index 9153e6616ba4..9c7f87e42fcc 100644 --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi @@ -654,9 +654,20 @@ compatible = "qcom,sdm660-a2noc"; reg = <0x01704000 0xc100>; #interconnect-cells = <1>; - clock-names = "bus", "bus_a"; + clock-names = "bus", + "bus_a", + "ipa", + "ufs_axi", + "aggre2_ufs_axi", + "aggre2_usb3_axi", + "cfg_noc_usb2_axi"; clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>, - <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>; + <&rpmcc RPM_SMD_AGGR2_NOC_A_CLK>, + <&rpmcc RPM_SMD_IPA_CLK>, + <&gcc GCC_UFS_AXI_CLK>, + <&gcc GCC_AGGRE2_UFS_AXI_CLK>, + <&gcc GCC_AGGRE2_USB3_AXI_CLK>, + <&gcc GCC_CFG_NOC_USB2_AXI_CLK>; }; mnoc: interconnect@1745000 { diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 6d7172e6f4c3..b3b911926184 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -128,23 +128,28 @@ no-map; }; - wlan_msa_mem: memory@8c400000 { - reg = <0 0x8c400000 0 0x100000>; + ipa_fw_mem: memory@8c400000 { + reg = <0 0x8c400000 0 0x10000>; no-map; }; - gpu_mem: memory@8c515000 { - reg = <0 0x8c515000 0 0x2000>; + ipa_gsi_mem: memory@8c410000 { + reg = <0 0x8c410000 0 0x5000>; no-map; }; - ipa_fw_mem: memory@8c517000 { - reg = <0 0x8c517000 0 0x5a000>; + gpu_mem: memory@8c415000 { + reg = <0 0x8c415000 0 0x2000>; no-map; }; - adsp_mem: memory@8c600000 { - reg = <0 0x8c600000 0 0x1a00000>; + adsp_mem: memory@8c500000 { + reg = <0 0x8c500000 0 0x1a00000>; + no-map; + }; + + wlan_msa_mem: memory@8df00000 { + reg = <0 0x8df00000 0 0x100000>; no-map; }; diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts index 385e5029437d..2ba23aa582a1 100644 --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts @@ -16,6 +16,17 @@ #include "sdm850.dtsi" #include "pm8998.dtsi" +/* + * Update following upstream (sdm845.dtsi) reserved + * memory mappings for firmware loading to succeed + * and enable the IPA device. + */ +/delete-node/ &ipa_fw_mem; +/delete-node/ &ipa_gsi_mem; +/delete-node/ &gpu_mem; +/delete-node/ &adsp_mem; +/delete-node/ &wlan_msa_mem; + / { model = "Lenovo Yoga C630"; compatible = "lenovo,yoga-c630", "qcom,sdm845"; @@ -58,6 +69,29 @@ }; }; + /* Reserved memory changes for IPA */ + reserved-memory { + wlan_msa_mem: memory@8c400000 { + reg = <0 0x8c400000 0 0x100000>; + no-map; + }; + + gpu_mem: memory@8c515000 { + reg = <0 0x8c515000 0 0x2000>; + no-map; + }; + + ipa_fw_mem: memory@8c517000 { + reg = <0 0x8c517000 0 0x5a000>; + no-map; + }; + + adsp_mem: memory@8c600000 { + reg = <0 0x8c600000 0 0x1a00000>; + no-map; + }; + }; + sn65dsi86_refclk: sn65dsi86-refclk { compatible = "fixed-clock"; #clock-cells = <0>; diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 7535dc7cc5aa..bd68e1b7f29f 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -50,9 +50,6 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr); void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); #define acpi_os_ioremap acpi_os_ioremap -void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size); -#define acpi_os_memmap acpi_os_memmap - typedef u64 phys_cpuid_t; #define PHYS_CPUID_INVALID INVALID_HWID diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 89faca0e740d..bfa58409a4d4 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -525,6 +525,11 @@ alternative_endif #define EXPORT_SYMBOL_NOKASAN(name) EXPORT_SYMBOL(name) #endif +#ifdef CONFIG_KASAN_HW_TAGS +#define EXPORT_SYMBOL_NOHWKASAN(name) +#else +#define EXPORT_SYMBOL_NOHWKASAN(name) EXPORT_SYMBOL_NOKASAN(name) +#endif /* * Emit a 64-bit absolute little endian symbol reference in a way that * ensures that it will be resolved at build time, even when building a diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h index 3f93b9e0b339..02511650cffe 100644 --- a/arch/arm64/include/asm/mte.h +++ b/arch/arm64/include/asm/mte.h @@ -99,11 +99,17 @@ void mte_check_tfsr_el1(void); static inline void mte_check_tfsr_entry(void) { + if (!system_supports_mte()) + return; + mte_check_tfsr_el1(); } static inline void mte_check_tfsr_exit(void) { + if (!system_supports_mte()) + return; + /* * The asynchronous faults are sync'ed automatically with * TFSR_EL1 on kernel entry but for exit an explicit dsb() diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h index 3a3264ff47b9..95f7686b728d 100644 --- a/arch/arm64/include/asm/string.h +++ b/arch/arm64/include/asm/string.h @@ -12,11 +12,13 @@ extern char *strrchr(const char *, int c); #define __HAVE_ARCH_STRCHR extern char *strchr(const char *, int c); +#ifndef CONFIG_KASAN_HW_TAGS #define __HAVE_ARCH_STRCMP extern int strcmp(const char *, const char *); #define __HAVE_ARCH_STRNCMP extern int strncmp(const char *, const char *, __kernel_size_t); +#endif #define __HAVE_ARCH_STRLEN extern __kernel_size_t strlen(const char *); diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c index 1c9c2f7a1c04..f3851724fe35 100644 --- a/arch/arm64/kernel/acpi.c +++ b/arch/arm64/kernel/acpi.c @@ -273,8 +273,7 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr) return __pgprot(PROT_DEVICE_nGnRnE); } -static void __iomem *__acpi_os_ioremap(acpi_physical_address phys, - acpi_size size, bool memory) +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) { efi_memory_desc_t *md, *region = NULL; pgprot_t prot; @@ -300,11 +299,9 @@ static void __iomem *__acpi_os_ioremap(acpi_physical_address phys, * It is fine for AML to remap regions that are not represented in the * EFI memory map at all, as it only describes normal memory, and MMIO * regions that require a virtual mapping to make them accessible to - * the EFI runtime services. Determine the region default - * attributes by checking the requested memory semantics. + * the EFI runtime services. */ - prot = memory ? __pgprot(PROT_NORMAL_NC) : - __pgprot(PROT_DEVICE_nGnRnE); + prot = __pgprot(PROT_DEVICE_nGnRnE); if (region) { switch (region->type) { case EFI_LOADER_CODE: @@ -364,16 +361,6 @@ static void __iomem *__acpi_os_ioremap(acpi_physical_address phys, return __ioremap(phys, size, prot); } -void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) -{ - return __acpi_os_ioremap(phys, size, false); -} - -void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size) -{ - return __acpi_os_ioremap(phys, size, true); -} - /* * Claim Synchronous External Aborts as a firmware first notification. * diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index f8a3067d10c6..6ec7036ef7e1 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1526,9 +1526,13 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry, /* * For reasons that aren't entirely clear, enabling KPTI on Cavium * ThunderX leads to apparent I-cache corruption of kernel text, which - * ends as well as you might imagine. Don't even try. + * ends as well as you might imagine. Don't even try. We cannot rely + * on the cpus_have_*cap() helpers here to detect the CPU erratum + * because cpucap detection order may change. However, since we know + * affected CPUs are always in a homogeneous configuration, it is + * safe to rely on this_cpu_has_cap() here. */ - if (cpus_have_const_cap(ARM64_WORKAROUND_CAVIUM_27456)) { + if (this_cpu_has_cap(ARM64_WORKAROUND_CAVIUM_27456)) { str = "ARM64_WORKAROUND_CAVIUM_27456"; __kpti_forced = -1; } diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 5a294f20e9de..ff4962750b3d 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -513,7 +513,7 @@ size_t sve_state_size(struct task_struct const *task) void sve_alloc(struct task_struct *task) { if (task->thread.sve_state) { - memset(task->thread.sve_state, 0, sve_state_size(current)); + memset(task->thread.sve_state, 0, sve_state_size(task)); return; } diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index 9d314a3bad3b..e5e801bc5312 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -142,12 +142,7 @@ void mte_enable_kernel_async(void) #ifdef CONFIG_KASAN_HW_TAGS void mte_check_tfsr_el1(void) { - u64 tfsr_el1; - - if (!system_supports_mte()) - return; - - tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1); + u64 tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1); if (unlikely(tfsr_el1 & SYS_TFSR_EL1_TF1)) { /* @@ -199,6 +194,9 @@ void mte_thread_init_user(void) void mte_thread_switch(struct task_struct *next) { + if (!system_supports_mte()) + return; + mte_update_sctlr_user(next); /* diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 19100fe8f7e4..40adb8cdbf5a 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -18,7 +18,6 @@ #include <linux/mman.h> #include <linux/mm.h> #include <linux/nospec.h> -#include <linux/sched.h> #include <linux/stddef.h> #include <linux/sysctl.h> #include <linux/unistd.h> @@ -58,7 +57,7 @@ #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_STACKPROTECTOR_PER_TASK) #include <linux/stackprotector.h> -unsigned long __stack_chk_guard __read_mostly; +unsigned long __stack_chk_guard __ro_after_init; EXPORT_SYMBOL(__stack_chk_guard); #endif diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 9fe70b12b34f..c287b9407f28 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -940,10 +940,8 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags) if (thread_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs); - if (thread_flags & _TIF_NOTIFY_RESUME) { + if (thread_flags & _TIF_NOTIFY_RESUME) tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); - } if (thread_flags & _TIF_FOREIGN_FPSTATE) fpsimd_restore_current_state(); diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile index 5df6193fc430..8d741f71377f 100644 --- a/arch/arm64/kvm/hyp/nvhe/Makefile +++ b/arch/arm64/kvm/hyp/nvhe/Makefile @@ -54,7 +54,7 @@ $(obj)/kvm_nvhe.tmp.o: $(obj)/hyp.lds $(addprefix $(obj)/,$(hyp-obj)) FORCE # runtime. Because the hypervisor is part of the kernel binary, relocations # produce a kernel VA. We enumerate relocations targeting hyp at build time # and convert the kernel VAs at those positions to hyp VAs. -$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel +$(obj)/hyp-reloc.S: $(obj)/kvm_nvhe.tmp.o $(obj)/gen-hyprel FORCE $(call if_changed,hyprel) # 5) Compile hyp-reloc.S and link it into the existing partially linked object. diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c index f9bb3b14130e..c84fe24b2ea1 100644 --- a/arch/arm64/kvm/perf.c +++ b/arch/arm64/kvm/perf.c @@ -50,9 +50,6 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = { int kvm_perf_init(void) { - if (kvm_pmu_probe_pmuver() != ID_AA64DFR0_PMUVER_IMP_DEF && !is_protected_kvm_enabled()) - static_branch_enable(&kvm_arm_pmu_available); - return perf_register_guest_info_callbacks(&kvm_guest_cbs); } diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index f5065f23b413..2af3c37445e0 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -740,7 +740,14 @@ void kvm_pmu_set_counter_event_type(struct kvm_vcpu *vcpu, u64 data, kvm_pmu_create_perf_event(vcpu, select_idx); } -int kvm_pmu_probe_pmuver(void) +void kvm_host_pmu_init(struct arm_pmu *pmu) +{ + if (pmu->pmuver != 0 && pmu->pmuver != ID_AA64DFR0_PMUVER_IMP_DEF && + !kvm_arm_support_pmu_v3() && !is_protected_kvm_enabled()) + static_branch_enable(&kvm_arm_pmu_available); +} + +static int kvm_pmu_probe_pmuver(void) { struct perf_event_attr attr = { }; struct perf_event *event; diff --git a/arch/arm64/lib/strcmp.S b/arch/arm64/lib/strcmp.S index d7bee210a798..83bcad72ec97 100644 --- a/arch/arm64/lib/strcmp.S +++ b/arch/arm64/lib/strcmp.S @@ -173,4 +173,4 @@ L(done): ret SYM_FUNC_END_PI(strcmp) -EXPORT_SYMBOL_NOKASAN(strcmp) +EXPORT_SYMBOL_NOHWKASAN(strcmp) diff --git a/arch/arm64/lib/strncmp.S b/arch/arm64/lib/strncmp.S index 48d44f7fddb1..e42bcfcd37e6 100644 --- a/arch/arm64/lib/strncmp.S +++ b/arch/arm64/lib/strncmp.S @@ -258,4 +258,4 @@ L(ret0): ret SYM_FUNC_END_PI(strncmp) -EXPORT_SYMBOL_NOKASAN(strncmp) +EXPORT_SYMBOL_NOHWKASAN(strncmp) diff --git a/arch/csky/kernel/signal.c b/arch/csky/kernel/signal.c index 312f046d452d..bc4238b9f709 100644 --- a/arch/csky/kernel/signal.c +++ b/arch/csky/kernel/signal.c @@ -260,8 +260,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs); - if (thread_info_flags & _TIF_NOTIFY_RESUME) { + if (thread_info_flags & _TIF_NOTIFY_RESUME) tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); - } } diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 045792cde481..1e33666fa679 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -388,8 +388,6 @@ config CRASH_DUMP help Generate crash dump after being started by kexec. -source "drivers/firmware/Kconfig" - endmenu menu "Power management and ACPI options" diff --git a/arch/m68k/68000/entry.S b/arch/m68k/68000/entry.S index 259b3661b614..997b54933015 100644 --- a/arch/m68k/68000/entry.S +++ b/arch/m68k/68000/entry.S @@ -15,7 +15,6 @@ #include <asm/unistd.h> #include <asm/errno.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/traps.h> #include <asm/asm-offsets.h> #include <asm/entry.h> @@ -25,7 +24,6 @@ .globl system_call .globl resume .globl ret_from_exception -.globl ret_from_signal .globl sys_call_table .globl bad_interrupt .globl inthandler1 @@ -59,8 +57,6 @@ do_trace: subql #4,%sp /* dummy return address */ SAVE_SWITCH_STACK jbsr syscall_trace_leave - -ret_from_signal: RESTORE_SWITCH_STACK addql #4,%sp jra ret_from_exception diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 774c35f47eea..0b50da08a9c5 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -29,7 +29,6 @@ config M68K select NO_DMA if !MMU && !COLDFIRE select OLD_SIGACTION select OLD_SIGSUSPEND3 - select SET_FS select UACCESS_MEMCPY if !MMU select VIRT_TO_BUS select ZONE_DMA diff --git a/arch/m68k/coldfire/entry.S b/arch/m68k/coldfire/entry.S index d43a02795a4a..9f337c70243a 100644 --- a/arch/m68k/coldfire/entry.S +++ b/arch/m68k/coldfire/entry.S @@ -31,7 +31,6 @@ #include <asm/thread_info.h> #include <asm/errno.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/asm-offsets.h> #include <asm/entry.h> @@ -51,7 +50,6 @@ sw_usp: .globl system_call .globl resume .globl ret_from_exception -.globl ret_from_signal .globl sys_call_table .globl inthandler @@ -98,8 +96,6 @@ ENTRY(system_call) subql #4,%sp /* dummy return address */ SAVE_SWITCH_STACK jbsr syscall_trace_leave - -ret_from_signal: RESTORE_SWITCH_STACK addql #4,%sp diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 3750819ac5a1..f4d82c619a5c 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -9,7 +9,6 @@ #define __ASM_M68K_PROCESSOR_H #include <linux/thread_info.h> -#include <asm/segment.h> #include <asm/fpu.h> #include <asm/ptrace.h> @@ -75,11 +74,37 @@ static inline void wrusp(unsigned long usp) #define TASK_UNMAPPED_BASE 0 #endif +/* Address spaces (or Function Codes in Motorola lingo) */ +#define USER_DATA 1 +#define USER_PROGRAM 2 +#define SUPER_DATA 5 +#define SUPER_PROGRAM 6 +#define CPU_SPACE 7 + +#ifdef CONFIG_CPU_HAS_ADDRESS_SPACES +/* + * Set the SFC/DFC registers for special MM operations. For most normal + * operation these remain set to USER_DATA for the uaccess routines. + */ +static inline void set_fc(unsigned long val) +{ + WARN_ON_ONCE(in_interrupt()); + + __asm__ __volatile__ ("movec %0,%/sfc\n\t" + "movec %0,%/dfc\n\t" + : /* no outputs */ : "r" (val) : "memory"); +} +#else +static inline void set_fc(unsigned long val) +{ +} +#endif /* CONFIG_CPU_HAS_ADDRESS_SPACES */ + struct thread_struct { unsigned long ksp; /* kernel stack pointer */ unsigned long usp; /* user stack pointer */ unsigned short sr; /* saved status register */ - unsigned short fs; /* saved fs (sfc, dfc) */ + unsigned short fc; /* saved fc (sfc, dfc) */ unsigned long crp[2]; /* cpu root pointer */ unsigned long esp0; /* points to SR of stack frame */ unsigned long faddr; /* info about last fault */ @@ -92,7 +117,7 @@ struct thread_struct { #define INIT_THREAD { \ .ksp = sizeof(init_stack) + (unsigned long) init_stack, \ .sr = PS_S, \ - .fs = __KERNEL_DS, \ + .fc = USER_DATA, \ } /* diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h index 911826ea83ce..80eb2396d01e 100644 --- a/arch/m68k/include/asm/raw_io.h +++ b/arch/m68k/include/asm/raw_io.h @@ -17,21 +17,21 @@ * two accesses to memory, which may be undesirable for some devices. */ #define in_8(addr) \ - ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; }) + ({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; }) #define in_be16(addr) \ - ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; }) + ({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; }) #define in_be32(addr) \ - ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; }) + ({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; }) #define in_le16(addr) \ - ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; }) + ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; }) #define in_le32(addr) \ - ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; }) + ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; }) -#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b)) -#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w)) -#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l)) -#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w)) -#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l)) +#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b)) +#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w)) +#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l)) +#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w)) +#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l)) #define raw_inb in_8 #define raw_inw in_be16 diff --git a/arch/m68k/include/asm/segment.h b/arch/m68k/include/asm/segment.h deleted file mode 100644 index 2b5e68a71ef7..000000000000 --- a/arch/m68k/include/asm/segment.h +++ /dev/null @@ -1,59 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _M68K_SEGMENT_H -#define _M68K_SEGMENT_H - -/* define constants */ -/* Address spaces (FC0-FC2) */ -#define USER_DATA (1) -#ifndef __USER_DS -#define __USER_DS (USER_DATA) -#endif -#define USER_PROGRAM (2) -#define SUPER_DATA (5) -#ifndef __KERNEL_DS -#define __KERNEL_DS (SUPER_DATA) -#endif -#define SUPER_PROGRAM (6) -#define CPU_SPACE (7) - -#ifndef __ASSEMBLY__ - -typedef struct { - unsigned long seg; -} mm_segment_t; - -#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) - -#ifdef CONFIG_CPU_HAS_ADDRESS_SPACES -/* - * Get/set the SFC/DFC registers for MOVES instructions - */ -#define USER_DS MAKE_MM_SEG(__USER_DS) -#define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) - -static inline mm_segment_t get_fs(void) -{ - mm_segment_t _v; - __asm__ ("movec %/dfc,%0":"=r" (_v.seg):); - return _v; -} - -static inline void set_fs(mm_segment_t val) -{ - __asm__ __volatile__ ("movec %0,%/sfc\n\t" - "movec %0,%/dfc\n\t" - : /* no outputs */ : "r" (val.seg) : "memory"); -} - -#else -#define USER_DS MAKE_MM_SEG(TASK_SIZE) -#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) -#define get_fs() (current_thread_info()->addr_limit) -#define set_fs(x) (current_thread_info()->addr_limit = (x)) -#endif - -#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) - -#endif /* __ASSEMBLY__ */ - -#endif /* _M68K_SEGMENT_H */ diff --git a/arch/m68k/include/asm/thread_info.h b/arch/m68k/include/asm/thread_info.h index 15a757073fa5..c952658ba792 100644 --- a/arch/m68k/include/asm/thread_info.h +++ b/arch/m68k/include/asm/thread_info.h @@ -4,7 +4,6 @@ #include <asm/types.h> #include <asm/page.h> -#include <asm/segment.h> /* * On machines with 4k pages we default to an 8k thread size, though we @@ -27,7 +26,6 @@ struct thread_info { struct task_struct *task; /* main task structure */ unsigned long flags; - mm_segment_t addr_limit; /* thread address space */ int preempt_count; /* 0 => preemptable, <0 => BUG */ __u32 cpu; /* should always be 0 on m68k */ unsigned long tp_value; /* thread pointer */ @@ -37,7 +35,6 @@ struct thread_info { #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ - .addr_limit = KERNEL_DS, \ .preempt_count = INIT_PREEMPT_COUNT, \ } diff --git a/arch/m68k/include/asm/tlbflush.h b/arch/m68k/include/asm/tlbflush.h index a6318ccd308f..b882e2f4f551 100644 --- a/arch/m68k/include/asm/tlbflush.h +++ b/arch/m68k/include/asm/tlbflush.h @@ -13,13 +13,12 @@ static inline void flush_tlb_kernel_page(void *addr) if (CPU_IS_COLDFIRE) { mmu_write(MMUOR, MMUOR_CNL); } else if (CPU_IS_040_OR_060) { - mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); + set_fc(SUPER_DATA); __asm__ __volatile__(".chip 68040\n\t" "pflush (%0)\n\t" ".chip 68k" : : "a" (addr)); - set_fs(old_fs); + set_fc(USER_DATA); } else if (CPU_IS_020_OR_030) __asm__ __volatile__("pflush #4,#4,(%0)" : : "a" (addr)); } @@ -84,12 +83,8 @@ static inline void flush_tlb_mm(struct mm_struct *mm) static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) { - if (vma->vm_mm == current->active_mm) { - mm_segment_t old_fs = force_uaccess_begin(); - + if (vma->vm_mm == current->active_mm) __flush_tlb_one(addr); - force_uaccess_end(old_fs); - } } static inline void flush_tlb_range(struct vm_area_struct *vma, diff --git a/arch/m68k/include/asm/traps.h b/arch/m68k/include/asm/traps.h index 4aff3358fbaf..a9d5c1c870d3 100644 --- a/arch/m68k/include/asm/traps.h +++ b/arch/m68k/include/asm/traps.h @@ -267,6 +267,10 @@ struct frame { } un; }; +#ifdef CONFIG_M68040 +asmlinkage void berr_040cleanup(struct frame *fp); +#endif + #endif /* __ASSEMBLY__ */ #endif /* _M68K_TRAPS_H */ diff --git a/arch/m68k/include/asm/uaccess.h b/arch/m68k/include/asm/uaccess.h index f98208ccbbcd..ba670523885c 100644 --- a/arch/m68k/include/asm/uaccess.h +++ b/arch/m68k/include/asm/uaccess.h @@ -9,13 +9,16 @@ */ #include <linux/compiler.h> #include <linux/types.h> -#include <asm/segment.h> #include <asm/extable.h> /* We let the MMU do all checking */ static inline int access_ok(const void __user *addr, unsigned long size) { + /* + * XXX: for !CONFIG_CPU_HAS_ADDRESS_SPACES this really needs to check + * for TASK_SIZE! + */ return 1; } @@ -35,12 +38,9 @@ static inline int access_ok(const void __user *addr, #define MOVES "move" #endif -extern int __put_user_bad(void); -extern int __get_user_bad(void); - -#define __put_user_asm(res, x, ptr, bwl, reg, err) \ +#define __put_user_asm(inst, res, x, ptr, bwl, reg, err) \ asm volatile ("\n" \ - "1: "MOVES"."#bwl" %2,%1\n" \ + "1: "inst"."#bwl" %2,%1\n" \ "2:\n" \ " .section .fixup,\"ax\"\n" \ " .even\n" \ @@ -56,6 +56,31 @@ asm volatile ("\n" \ : "+d" (res), "=m" (*(ptr)) \ : #reg (x), "i" (err)) +#define __put_user_asm8(inst, res, x, ptr) \ +do { \ + const void *__pu_ptr = (const void __force *)(ptr); \ + \ + asm volatile ("\n" \ + "1: "inst".l %2,(%1)+\n" \ + "2: "inst".l %R2,(%1)\n" \ + "3:\n" \ + " .section .fixup,\"ax\"\n" \ + " .even\n" \ + "10: movel %3,%0\n" \ + " jra 3b\n" \ + " .previous\n" \ + "\n" \ + " .section __ex_table,\"a\"\n" \ + " .align 4\n" \ + " .long 1b,10b\n" \ + " .long 2b,10b\n" \ + " .long 3b,10b\n" \ + " .previous" \ + : "+d" (res), "+a" (__pu_ptr) \ + : "r" (x), "i" (-EFAULT) \ + : "memory"); \ +} while (0) + /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. @@ -68,51 +93,29 @@ asm volatile ("\n" \ __chk_user_ptr(ptr); \ switch (sizeof (*(ptr))) { \ case 1: \ - __put_user_asm(__pu_err, __pu_val, ptr, b, d, -EFAULT); \ + __put_user_asm(MOVES, __pu_err, __pu_val, ptr, b, d, -EFAULT); \ break; \ case 2: \ - __put_user_asm(__pu_err, __pu_val, ptr, w, r, -EFAULT); \ + __put_user_asm(MOVES, __pu_err, __pu_val, ptr, w, r, -EFAULT); \ break; \ case 4: \ - __put_user_asm(__pu_err, __pu_val, ptr, l, r, -EFAULT); \ + __put_user_asm(MOVES, __pu_err, __pu_val, ptr, l, r, -EFAULT); \ break; \ case 8: \ - { \ - const void __user *__pu_ptr = (ptr); \ - asm volatile ("\n" \ - "1: "MOVES".l %2,(%1)+\n" \ - "2: "MOVES".l %R2,(%1)\n" \ - "3:\n" \ - " .section .fixup,\"ax\"\n" \ - " .even\n" \ - "10: movel %3,%0\n" \ - " jra 3b\n" \ - " .previous\n" \ - "\n" \ - " .section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,10b\n" \ - " .long 2b,10b\n" \ - " .long 3b,10b\n" \ - " .previous" \ - : "+d" (__pu_err), "+a" (__pu_ptr) \ - : "r" (__pu_val), "i" (-EFAULT) \ - : "memory"); \ + __put_user_asm8(MOVES, __pu_err, __pu_val, ptr); \ break; \ - } \ default: \ - __pu_err = __put_user_bad(); \ - break; \ + BUILD_BUG(); \ } \ __pu_err; \ }) #define put_user(x, ptr) __put_user(x, ptr) -#define __get_user_asm(res, x, ptr, type, bwl, reg, err) ({ \ +#define __get_user_asm(inst, res, x, ptr, type, bwl, reg, err) ({ \ type __gu_val; \ asm volatile ("\n" \ - "1: "MOVES"."#bwl" %2,%1\n" \ + "1: "inst"."#bwl" %2,%1\n" \ "2:\n" \ " .section .fixup,\"ax\"\n" \ " .even\n" \ @@ -130,53 +133,57 @@ asm volatile ("\n" \ (x) = (__force typeof(*(ptr)))(__force unsigned long)__gu_val; \ }) +#define __get_user_asm8(inst, res, x, ptr) \ +do { \ + const void *__gu_ptr = (const void __force *)(ptr); \ + union { \ + u64 l; \ + __typeof__(*(ptr)) t; \ + } __gu_val; \ + \ + asm volatile ("\n" \ + "1: "inst".l (%2)+,%1\n" \ + "2: "inst".l (%2),%R1\n" \ + "3:\n" \ + " .section .fixup,\"ax\"\n" \ + " .even\n" \ + "10: move.l %3,%0\n" \ + " sub.l %1,%1\n" \ + " sub.l %R1,%R1\n" \ + " jra 3b\n" \ + " .previous\n" \ + "\n" \ + " .section __ex_table,\"a\"\n" \ + " .align 4\n" \ + " .long 1b,10b\n" \ + " .long 2b,10b\n" \ + " .previous" \ + : "+d" (res), "=&r" (__gu_val.l), \ + "+a" (__gu_ptr) \ + : "i" (-EFAULT) \ + : "memory"); \ + (x) = __gu_val.t; \ +} while (0) + #define __get_user(x, ptr) \ ({ \ int __gu_err = 0; \ __chk_user_ptr(ptr); \ switch (sizeof(*(ptr))) { \ case 1: \ - __get_user_asm(__gu_err, x, ptr, u8, b, d, -EFAULT); \ + __get_user_asm(MOVES, __gu_err, x, ptr, u8, b, d, -EFAULT); \ break; \ case 2: \ - __get_user_asm(__gu_err, x, ptr, u16, w, r, -EFAULT); \ + __get_user_asm(MOVES, __gu_err, x, ptr, u16, w, r, -EFAULT); \ break; \ case 4: \ - __get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT); \ + __get_user_asm(MOVES, __gu_err, x, ptr, u32, l, r, -EFAULT); \ break; \ - case 8: { \ - const void __user *__gu_ptr = (ptr); \ - union { \ - u64 l; \ - __typeof__(*(ptr)) t; \ - } __gu_val; \ - asm volatile ("\n" \ - "1: "MOVES".l (%2)+,%1\n" \ - "2: "MOVES".l (%2),%R1\n" \ - "3:\n" \ - " .section .fixup,\"ax\"\n" \ - " .even\n" \ - "10: move.l %3,%0\n" \ - " sub.l %1,%1\n" \ - " sub.l %R1,%R1\n" \ - " jra 3b\n" \ - " .previous\n" \ - "\n" \ - " .section __ex_table,\"a\"\n" \ - " .align 4\n" \ - " .long 1b,10b\n" \ - " .long 2b,10b\n" \ - " .previous" \ - : "+d" (__gu_err), "=&r" (__gu_val.l), \ - "+a" (__gu_ptr) \ - : "i" (-EFAULT) \ - : "memory"); \ - (x) = __gu_val.t; \ + case 8: \ + __get_user_asm8(MOVES, __gu_err, x, ptr); \ break; \ - } \ default: \ - __gu_err = __get_user_bad(); \ - break; \ + BUILD_BUG(); \ } \ __gu_err; \ }) @@ -322,16 +329,19 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n) switch (n) { case 1: - __put_user_asm(res, *(u8 *)from, (u8 __user *)to, b, d, 1); + __put_user_asm(MOVES, res, *(u8 *)from, (u8 __user *)to, + b, d, 1); break; case 2: - __put_user_asm(res, *(u16 *)from, (u16 __user *)to, w, r, 2); + __put_user_asm(MOVES, res, *(u16 *)from, (u16 __user *)to, + w, r, 2); break; case 3: __constant_copy_to_user_asm(res, to, from, tmp, 3, w, b,); break; case 4: - __put_user_asm(res, *(u32 *)from, (u32 __user *)to, l, r, 4); + __put_user_asm(MOVES, res, *(u32 *)from, (u32 __user *)to, + l, r, 4); break; case 5: __constant_copy_to_user_asm(res, to, from, tmp, 5, l, b,); @@ -380,8 +390,65 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n) #define INLINE_COPY_FROM_USER #define INLINE_COPY_TO_USER -#define user_addr_max() \ - (uaccess_kernel() ? ~0UL : TASK_SIZE) +#define HAVE_GET_KERNEL_NOFAULT + +#define __get_kernel_nofault(dst, src, type, err_label) \ +do { \ + type *__gk_dst = (type *)(dst); \ + type *__gk_src = (type *)(src); \ + int __gk_err = 0; \ + \ + switch (sizeof(type)) { \ + case 1: \ + __get_user_asm("move", __gk_err, *__gk_dst, __gk_src, \ + u8, b, d, -EFAULT); \ + break; \ + case 2: \ + __get_user_asm("move", __gk_err, *__gk_dst, __gk_src, \ + u16, w, r, -EFAULT); \ + break; \ + case 4: \ + __get_user_asm("move", __gk_err, *__gk_dst, __gk_src, \ + u32, l, r, -EFAULT); \ + break; \ + case 8: \ + __get_user_asm8("move", __gk_err, *__gk_dst, __gk_src); \ + break; \ + default: \ + BUILD_BUG(); \ + } \ + if (unlikely(__gk_err)) \ + goto err_label; \ +} while (0) + +#define __put_kernel_nofault(dst, src, type, err_label) \ +do { \ + type __pk_src = *(type *)(src); \ + type *__pk_dst = (type *)(dst); \ + int __pk_err = 0; \ + \ + switch (sizeof(type)) { \ + case 1: \ + __put_user_asm("move", __pk_err, __pk_src, __pk_dst, \ + b, d, -EFAULT); \ + break; \ + case 2: \ + __put_user_asm("move", __pk_err, __pk_src, __pk_dst, \ + w, r, -EFAULT); \ + break; \ + case 4: \ + __put_user_asm("move", __pk_err, __pk_src, __pk_dst, \ + l, r, -EFAULT); \ + break; \ + case 8: \ + __put_user_asm8("move", __pk_err, __pk_src, __pk_dst); \ + break; \ + default: \ + BUILD_BUG(); \ + } \ + if (unlikely(__pk_err)) \ + goto err_label; \ +} while (0) extern long strncpy_from_user(char *dst, const char __user *src, long count); extern __must_check long strnlen_user(const char __user *str, long n); diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index ccea355052ef..906d73230537 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -31,7 +31,7 @@ int main(void) DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp)); DEFINE(THREAD_USP, offsetof(struct thread_struct, usp)); DEFINE(THREAD_SR, offsetof(struct thread_struct, sr)); - DEFINE(THREAD_FS, offsetof(struct thread_struct, fs)); + DEFINE(THREAD_FC, offsetof(struct thread_struct, fc)); DEFINE(THREAD_CRP, offsetof(struct thread_struct, crp)); DEFINE(THREAD_ESP0, offsetof(struct thread_struct, esp0)); DEFINE(THREAD_FPREG, offsetof(struct thread_struct, fp)); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 9dd76fbb7c6b..9434fca68de5 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -36,7 +36,6 @@ #include <linux/linkage.h> #include <asm/errno.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/traps.h> #include <asm/unistd.h> #include <asm/asm-offsets.h> @@ -78,20 +77,38 @@ ENTRY(__sys_clone3) ENTRY(sys_sigreturn) SAVE_SWITCH_STACK - movel %sp,%sp@- | switch_stack pointer - pea %sp@(SWITCH_STACK_SIZE+4) | pt_regs pointer + movel %sp,%a1 | switch_stack pointer + lea %sp@(SWITCH_STACK_SIZE),%a0 | pt_regs pointer + lea %sp@(-84),%sp | leave a gap + movel %a1,%sp@- + movel %a0,%sp@- jbsr do_sigreturn - addql #8,%sp - RESTORE_SWITCH_STACK - rts + jra 1f | shared with rt_sigreturn() ENTRY(sys_rt_sigreturn) SAVE_SWITCH_STACK - movel %sp,%sp@- | switch_stack pointer - pea %sp@(SWITCH_STACK_SIZE+4) | pt_regs pointer + movel %sp,%a1 | switch_stack pointer + lea %sp@(SWITCH_STACK_SIZE),%a0 | pt_regs pointer + lea %sp@(-84),%sp | leave a gap + movel %a1,%sp@- + movel %a0,%sp@- + | stack contents: + | [original pt_regs address] [original switch_stack address] + | [gap] [switch_stack] [pt_regs] [exception frame] jbsr do_rt_sigreturn - addql #8,%sp + +1: + | stack contents now: + | [original pt_regs address] [original switch_stack address] + | [unused part of the gap] [moved switch_stack] [moved pt_regs] + | [replacement exception frame] + | return value of do_{rt_,}sigreturn() points to moved switch_stack. + + movel %d0,%sp | discard the leftover junk RESTORE_SWITCH_STACK + | stack contents now is just [syscall return address] [pt_regs] [frame] + | return pt_regs.d0 + movel %sp@(PT_OFF_D0+4),%d0 rts ENTRY(buserr) @@ -182,25 +199,6 @@ do_trace_exit: addql #4,%sp jra .Lret_from_exception -ENTRY(ret_from_signal) - movel %curptr@(TASK_STACK),%a1 - tstb %a1@(TINFO_FLAGS+2) - jge 1f - jbsr syscall_trace -1: RESTORE_SWITCH_STACK - addql #4,%sp -/* on 68040 complete pending writebacks if any */ -#ifdef CONFIG_M68040 - bfextu %sp@(PT_OFF_FORMATVEC){#0,#4},%d0 - subql #7,%d0 | bus error frame ? - jbne 1f - movel %sp,%sp@- - jbsr berr_040cleanup - addql #4,%sp -1: -#endif - jra .Lret_from_exception - ENTRY(system_call) SAVE_ALL_SYS @@ -338,7 +336,7 @@ resume: /* save fs (sfc,%dfc) (may be pointing to kernel memory) */ movec %sfc,%d0 - movew %d0,%a0@(TASK_THREAD+THREAD_FS) + movew %d0,%a0@(TASK_THREAD+THREAD_FC) /* save usp */ /* it is better to use a movel here instead of a movew 8*) */ @@ -424,7 +422,7 @@ resume: movel %a0,%usp /* restore fs (sfc,%dfc) */ - movew %a1@(TASK_THREAD+THREAD_FS),%a0 + movew %a1@(TASK_THREAD+THREAD_FC),%a0 movec %a0,%sfc movec %a0,%dfc diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index db49f9091711..1ab692b952cd 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -92,7 +92,7 @@ void show_regs(struct pt_regs * regs) void flush_thread(void) { - current->thread.fs = __USER_DS; + current->thread.fc = USER_DATA; #ifdef CONFIG_FPU if (!FPU_IS_EMU) { unsigned long zero = 0; @@ -155,7 +155,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, unsigned long arg, * Must save the current SFC/DFC value, NOT the value when * the parent was last descheduled - RGH 10-08-96 */ - p->thread.fs = get_fs().seg; + p->thread.fc = USER_DATA; if (unlikely(p->flags & (PF_KTHREAD | PF_IO_WORKER))) { /* kernel thread */ diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 8f215e79e70e..338817d0cb3f 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -447,7 +447,7 @@ static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) { fpu_version = sc->sc_fpstate[0]; - if (CPU_IS_020_OR_030 && + if (CPU_IS_020_OR_030 && !regs->stkadj && regs->vector >= (VEC_FPBRUC * 4) && regs->vector <= (VEC_FPNAN * 4)) { /* Clear pending exception in 68882 idle frame */ @@ -510,7 +510,7 @@ static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs * if (!(CPU_IS_060 || CPU_IS_COLDFIRE)) context_size = fpstate[1]; fpu_version = fpstate[0]; - if (CPU_IS_020_OR_030 && + if (CPU_IS_020_OR_030 && !regs->stkadj && regs->vector >= (VEC_FPBRUC * 4) && regs->vector <= (VEC_FPNAN * 4)) { /* Clear pending exception in 68882 idle frame */ @@ -641,56 +641,35 @@ static inline void siginfo_build_tests(void) static int mangle_kernel_stack(struct pt_regs *regs, int formatvec, void __user *fp) { - int fsize = frame_extra_sizes(formatvec >> 12); - if (fsize < 0) { + int extra = frame_extra_sizes(formatvec >> 12); + char buf[sizeof_field(struct frame, un)]; + + if (extra < 0) { /* * user process trying to return with weird frame format */ pr_debug("user process returning with weird frame format\n"); - return 1; + return -1; } - if (!fsize) { - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; - } else { - struct switch_stack *sw = (struct switch_stack *)regs - 1; - /* yes, twice as much as max(sizeof(frame.un.fmt<x>)) */ - unsigned long buf[sizeof_field(struct frame, un) / 2]; - - /* that'll make sure that expansion won't crap over data */ - if (copy_from_user(buf + fsize / 4, fp, fsize)) - return 1; - - /* point of no return */ - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; -#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack)) - __asm__ __volatile__ ( -#ifdef CONFIG_COLDFIRE - " movel %0,%/sp\n\t" - " bra ret_from_signal\n" -#else - " movel %0,%/a0\n\t" - " subl %1,%/a0\n\t" /* make room on stack */ - " movel %/a0,%/sp\n\t" /* set stack pointer */ - /* move switch_stack and pt_regs */ - "1: movel %0@+,%/a0@+\n\t" - " dbra %2,1b\n\t" - " lea %/sp@(%c3),%/a0\n\t" /* add offset of fmt */ - " lsrl #2,%1\n\t" - " subql #1,%1\n\t" - /* copy to the gap we'd made */ - "2: movel %4@+,%/a0@+\n\t" - " dbra %1,2b\n\t" - " bral ret_from_signal\n" + if (extra && copy_from_user(buf, fp, extra)) + return -1; + regs->format = formatvec >> 12; + regs->vector = formatvec & 0xfff; + if (extra) { + void *p = (struct switch_stack *)regs - 1; + struct frame *new = (void *)regs - extra; + int size = sizeof(struct pt_regs)+sizeof(struct switch_stack); + + memmove(p - extra, p, size); + memcpy(p - extra + size, buf, extra); + current->thread.esp0 = (unsigned long)&new->ptregs; +#ifdef CONFIG_M68040 + /* on 68040 complete pending writebacks if any */ + if (new->ptregs.format == 7) // bus error frame + berr_040cleanup(new); #endif - : /* no outputs, it doesn't ever return */ - : "a" (sw), "d" (fsize), "d" (frame_offset/4-1), - "n" (frame_offset), "a" (buf + fsize/4) - : "a0"); -#undef frame_offset } - return 0; + return extra; } static inline int @@ -698,7 +677,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u { int formatvec; struct sigcontext context; - int err = 0; siginfo_build_tests(); @@ -707,7 +685,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u /* get previous context */ if (copy_from_user(&context, usc, sizeof(context))) - goto badframe; + return -1; /* restore passed registers */ regs->d0 = context.sc_d0; @@ -720,15 +698,10 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __u wrusp(context.sc_usp); formatvec = context.sc_formatvec; - err = restore_fpu_state(&context); + if (restore_fpu_state(&context)) + return -1; - if (err || mangle_kernel_stack(regs, formatvec, fp)) - goto badframe; - - return 0; - -badframe: - return 1; + return mangle_kernel_stack(regs, formatvec, fp); } static inline int @@ -745,7 +718,7 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, err = __get_user(temp, &uc->uc_mcontext.version); if (temp != MCONTEXT_VERSION) - goto badframe; + return -1; /* restore passed registers */ err |= __get_user(regs->d0, &gregs[0]); err |= __get_user(regs->d1, &gregs[1]); @@ -774,22 +747,17 @@ rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, err |= restore_altstack(&uc->uc_stack); if (err) - goto badframe; + return -1; - if (mangle_kernel_stack(regs, temp, &uc->uc_extra)) - goto badframe; - - return 0; - -badframe: - return 1; + return mangle_kernel_stack(regs, temp, &uc->uc_extra); } -asmlinkage int do_sigreturn(struct pt_regs *regs, struct switch_stack *sw) +asmlinkage void *do_sigreturn(struct pt_regs *regs, struct switch_stack *sw) { unsigned long usp = rdusp(); struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); sigset_t set; + int size; if (!access_ok(frame, sizeof(*frame))) goto badframe; @@ -801,20 +769,22 @@ asmlinkage int do_sigreturn(struct pt_regs *regs, struct switch_stack *sw) set_current_blocked(&set); - if (restore_sigcontext(regs, &frame->sc, frame + 1)) + size = restore_sigcontext(regs, &frame->sc, frame + 1); + if (size < 0) goto badframe; - return regs->d0; + return (void *)sw - size; badframe: force_sig(SIGSEGV); - return 0; + return sw; } -asmlinkage int do_rt_sigreturn(struct pt_regs *regs, struct switch_stack *sw) +asmlinkage void *do_rt_sigreturn(struct pt_regs *regs, struct switch_stack *sw) { unsigned long usp = rdusp(); struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); sigset_t set; + int size; if (!access_ok(frame, sizeof(*frame))) goto badframe; @@ -823,27 +793,34 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs, struct switch_stack *sw) set_current_blocked(&set); - if (rt_restore_ucontext(regs, sw, &frame->uc)) + size = rt_restore_ucontext(regs, sw, &frame->uc); + if (size < 0) goto badframe; - return regs->d0; + return (void *)sw - size; badframe: force_sig(SIGSEGV); - return 0; + return sw; +} + +static inline struct pt_regs *rte_regs(struct pt_regs *regs) +{ + return (void *)regs + regs->stkadj; } static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, unsigned long mask) { + struct pt_regs *tregs = rte_regs(regs); sc->sc_mask = mask; sc->sc_usp = rdusp(); sc->sc_d0 = regs->d0; sc->sc_d1 = regs->d1; sc->sc_a0 = regs->a0; sc->sc_a1 = regs->a1; - sc->sc_sr = regs->sr; - sc->sc_pc = regs->pc; - sc->sc_formatvec = regs->format << 12 | regs->vector; + sc->sc_sr = tregs->sr; + sc->sc_pc = tregs->pc; + sc->sc_formatvec = tregs->format << 12 | tregs->vector; save_a5_state(sc, regs); save_fpu_state(sc, regs); } @@ -851,6 +828,7 @@ static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs) { struct switch_stack *sw = (struct switch_stack *)regs - 1; + struct pt_regs *tregs = rte_regs(regs); greg_t __user *gregs = uc->uc_mcontext.gregs; int err = 0; @@ -871,9 +849,9 @@ static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs * err |= __put_user(sw->a5, &gregs[13]); err |= __put_user(sw->a6, &gregs[14]); err |= __put_user(rdusp(), &gregs[15]); - err |= __put_user(regs->pc, &gregs[16]); - err |= __put_user(regs->sr, &gregs[17]); - err |= __put_user((regs->format << 12) | regs->vector, &uc->uc_formatvec); + err |= __put_user(tregs->pc, &gregs[16]); + err |= __put_user(tregs->sr, &gregs[17]); + err |= __put_user((tregs->format << 12) | tregs->vector, &uc->uc_formatvec); err |= rt_save_fpu_state(uc, regs); return err; } @@ -890,13 +868,14 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct sigframe __user *frame; - int fsize = frame_extra_sizes(regs->format); + struct pt_regs *tregs = rte_regs(regs); + int fsize = frame_extra_sizes(tregs->format); struct sigcontext context; int err = 0, sig = ksig->sig; if (fsize < 0) { pr_debug("setup_frame: Unknown frame format %#x\n", - regs->format); + tregs->format); return -EFAULT; } @@ -907,7 +886,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, err |= __put_user(sig, &frame->sig); - err |= __put_user(regs->vector, &frame->code); + err |= __put_user(tregs->vector, &frame->code); err |= __put_user(&frame->sc, &frame->psc); if (_NSIG_WORDS > 1) @@ -934,33 +913,27 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, push_cache ((unsigned long) &frame->retcode); /* - * Set up registers for signal handler. All the state we are about - * to destroy is successfully copied to sigframe. - */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ksig->ka.sa.sa_handler; - adjustformat(regs); - - /* * This is subtle; if we build more than one sigframe, all but the * first one will see frame format 0 and have fsize == 0, so we won't * screw stkadj. */ - if (fsize) + if (fsize) { regs->stkadj = fsize; - - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); + tregs = rte_regs(regs); pr_debug("Performing stackadjust=%04lx\n", regs->stkadj); - /* This must be copied with decreasing addresses to - handle overlaps. */ tregs->vector = 0; tregs->format = 0; - tregs->pc = regs->pc; tregs->sr = regs->sr; } + + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ + wrusp ((unsigned long) frame); + tregs->pc = (unsigned long) ksig->ka.sa.sa_handler; + adjustformat(regs); + return 0; } @@ -968,7 +941,8 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe __user *frame; - int fsize = frame_extra_sizes(regs->format); + struct pt_regs *tregs = rte_regs(regs); + int fsize = frame_extra_sizes(tregs->format); int err = 0, sig = ksig->sig; if (fsize < 0) { @@ -1019,33 +993,26 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, push_cache ((unsigned long) &frame->retcode); /* - * Set up registers for signal handler. All the state we are about - * to destroy is successfully copied to sigframe. - */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ksig->ka.sa.sa_handler; - adjustformat(regs); - - /* * This is subtle; if we build more than one sigframe, all but the * first one will see frame format 0 and have fsize == 0, so we won't * screw stkadj. */ - if (fsize) + if (fsize) { regs->stkadj = fsize; - - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); + tregs = rte_regs(regs); pr_debug("Performing stackadjust=%04lx\n", regs->stkadj); - /* This must be copied with decreasing addresses to - handle overlaps. */ tregs->vector = 0; tregs->format = 0; - tregs->pc = regs->pc; tregs->sr = regs->sr; } + + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ + wrusp ((unsigned long) frame); + tregs->pc = (unsigned long) ksig->ka.sa.sa_handler; + adjustformat(regs); return 0; } diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index 5b19fcdcd69e..9718ce94cc84 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -181,9 +181,8 @@ static inline void access_error060 (struct frame *fp) static inline unsigned long probe040(int iswrite, unsigned long addr, int wbs) { unsigned long mmusr; - mm_segment_t old_fs = get_fs(); - set_fs(MAKE_MM_SEG(wbs)); + set_fc(wbs); if (iswrite) asm volatile (".chip 68040; ptestw (%0); .chip 68k" : : "a" (addr)); @@ -192,7 +191,7 @@ static inline unsigned long probe040(int iswrite, unsigned long addr, int wbs) asm volatile (".chip 68040; movec %%mmusr,%0; .chip 68k" : "=r" (mmusr)); - set_fs(old_fs); + set_fc(USER_DATA); return mmusr; } @@ -201,10 +200,8 @@ static inline int do_040writeback1(unsigned short wbs, unsigned long wba, unsigned long wbd) { int res = 0; - mm_segment_t old_fs = get_fs(); - /* set_fs can not be moved, otherwise put_user() may oops */ - set_fs(MAKE_MM_SEG(wbs)); + set_fc(wbs); switch (wbs & WBSIZ_040) { case BA_SIZE_BYTE: @@ -218,9 +215,7 @@ static inline int do_040writeback1(unsigned short wbs, unsigned long wba, break; } - /* set_fs can not be moved, otherwise put_user() may oops */ - set_fs(old_fs); - + set_fc(USER_DATA); pr_debug("do_040writeback1, res=%d\n", res); diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c index 90f4e9ca1276..4fab34791758 100644 --- a/arch/m68k/mac/misc.c +++ b/arch/m68k/mac/misc.c @@ -18,7 +18,6 @@ #include <linux/uaccess.h> #include <asm/io.h> -#include <asm/segment.h> #include <asm/setup.h> #include <asm/macintosh.h> #include <asm/mac_via.h> diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index b486c0889eec..dde978e66f14 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -49,24 +49,7 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr) if (mmusr & MMU_R_040) return (mmusr & PAGE_MASK) | (vaddr & ~PAGE_MASK); } else { - unsigned short mmusr; - unsigned long *descaddr; - - asm volatile ("ptestr %3,%2@,#7,%0\n\t" - "pmove %%psr,%1" - : "=a&" (descaddr), "=m" (mmusr) - : "a" (vaddr), "d" (get_fs().seg)); - if (mmusr & (MMU_I|MMU_B|MMU_L)) - return 0; - descaddr = phys_to_virt((unsigned long)descaddr); - switch (mmusr & MMU_NUM) { - case 1: - return (*descaddr & 0xfe000000) | (vaddr & 0x01ffffff); - case 2: - return (*descaddr & 0xfffc0000) | (vaddr & 0x0003ffff); - case 3: - return (*descaddr & PAGE_MASK) | (vaddr & ~PAGE_MASK); - } + WARN_ON_ONCE(!CPU_IS_040_OR_060); } return 0; } @@ -107,11 +90,9 @@ void flush_icache_user_range(unsigned long address, unsigned long endaddr) void flush_icache_range(unsigned long address, unsigned long endaddr) { - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); + set_fc(SUPER_DATA); flush_icache_user_range(address, endaddr); - set_fs(old_fs); + set_fc(USER_DATA); } EXPORT_SYMBOL(flush_icache_range); diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 5d749e188246..1b47bec15832 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -72,12 +72,6 @@ void __init paging_init(void) if (!empty_zero_page) panic("%s: Failed to allocate %lu bytes align=0x%lx\n", __func__, PAGE_SIZE, PAGE_SIZE); - - /* - * Set up SFC/DFC registers (user data space). - */ - set_fs (USER_DS); - max_zone_pfn[ZONE_DMA] = end_mem >> PAGE_SHIFT; free_area_init(max_zone_pfn); } diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index 1269d513b221..20ddf71b43d0 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -17,7 +17,6 @@ #include <linux/vmalloc.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/page.h> #include <asm/io.h> #include <asm/tlbflush.h> diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c index fe75aecfb238..c2c03b0a1567 100644 --- a/arch/m68k/mm/memory.c +++ b/arch/m68k/mm/memory.c @@ -15,7 +15,6 @@ #include <linux/gfp.h> #include <asm/setup.h> -#include <asm/segment.h> #include <asm/page.h> #include <asm/traps.h> #include <asm/machdep.h> diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 3a653f0a4188..9f3f77785aa7 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -467,7 +467,7 @@ void __init paging_init(void) /* * Set up SFC/DFC registers */ - set_fs(KERNEL_DS); + set_fc(USER_DATA); #ifdef DEBUG printk ("before free_area_init\n"); diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c index e1e90c49a496..dfd6202fd403 100644 --- a/arch/m68k/mvme147/config.c +++ b/arch/m68k/mvme147/config.c @@ -171,7 +171,6 @@ static int bcd2int (unsigned char b) int mvme147_hwclk(int op, struct rtc_time *t) { -#warning check me! if (!op) { m147_rtc->ctrl = RTC_READ; t->tm_year = bcd2int (m147_rtc->bcd_year); @@ -183,6 +182,9 @@ int mvme147_hwclk(int op, struct rtc_time *t) m147_rtc->ctrl = 0; if (t->tm_year < 70) t->tm_year += 100; + } else { + /* FIXME Setting the time is not yet supported */ + return -EOPNOTSUPP; } return 0; } diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c index b59593c7cfb9..b4422c2dfbbf 100644 --- a/arch/m68k/mvme16x/config.c +++ b/arch/m68k/mvme16x/config.c @@ -436,7 +436,6 @@ int bcd2int (unsigned char b) int mvme16x_hwclk(int op, struct rtc_time *t) { -#warning check me! if (!op) { rtc->ctrl = RTC_READ; t->tm_year = bcd2int (rtc->bcd_year); @@ -448,6 +447,9 @@ int mvme16x_hwclk(int op, struct rtc_time *t) rtc->ctrl = 0; if (t->tm_year < 70) t->tm_year += 100; + } else { + /* FIXME Setting the time is not yet supported */ + return -EOPNOTSUPP; } return 0; } diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c index f7dd47232b6c..203f428a0344 100644 --- a/arch/m68k/sun3/config.c +++ b/arch/m68k/sun3/config.c @@ -31,7 +31,6 @@ #include <asm/intersil.h> #include <asm/irq.h> #include <asm/sections.h> -#include <asm/segment.h> #include <asm/sun3ints.h> char sun3_reserved_pmeg[SUN3_PMEGS_NUM]; @@ -89,7 +88,7 @@ void __init sun3_init(void) sun3_reserved_pmeg[249] = 1; sun3_reserved_pmeg[252] = 1; sun3_reserved_pmeg[253] = 1; - set_fs(KERNEL_DS); + set_fc(USER_DATA); } /* Without this, Bad Things happen when something calls arch_reset. */ diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c index 7aa879b7c7ff..7ec20817c0c9 100644 --- a/arch/m68k/sun3/mmu_emu.c +++ b/arch/m68k/sun3/mmu_emu.c @@ -23,7 +23,6 @@ #include <linux/uaccess.h> #include <asm/page.h> #include <asm/sun3mmu.h> -#include <asm/segment.h> #include <asm/oplib.h> #include <asm/mmu_context.h> #include <asm/dvma.h> @@ -191,14 +190,13 @@ void __init mmu_emu_init(unsigned long bootmem_end) for(seg = 0; seg < PAGE_OFFSET; seg += SUN3_PMEG_SIZE) sun3_put_segmap(seg, SUN3_INVALID_PMEG); - set_fs(MAKE_MM_SEG(3)); + set_fc(3); for(seg = 0; seg < 0x10000000; seg += SUN3_PMEG_SIZE) { i = sun3_get_segmap(seg); for(j = 1; j < CONTEXTS_NUM; j++) (*(romvec->pv_setctxt))(j, (void *)seg, i); } - set_fs(KERNEL_DS); - + set_fc(USER_DATA); } /* erase the mappings for a dead context. Uses the pg_dir for hints diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c index 41ae422119d3..36cc280a4505 100644 --- a/arch/m68k/sun3/sun3ints.c +++ b/arch/m68k/sun3/sun3ints.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/kernel_stat.h> #include <linux/interrupt.h> -#include <asm/segment.h> #include <asm/intersil.h> #include <asm/oplib.h> #include <asm/sun3ints.h> diff --git a/arch/m68k/sun3x/prom.c b/arch/m68k/sun3x/prom.c index 74d2fe57524b..64c23bfaa90c 100644 --- a/arch/m68k/sun3x/prom.c +++ b/arch/m68k/sun3x/prom.c @@ -14,7 +14,6 @@ #include <asm/traps.h> #include <asm/sun3xprom.h> #include <asm/idprom.h> -#include <asm/segment.h> #include <asm/sun3ints.h> #include <asm/openprom.h> #include <asm/machines.h> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 771ca53af06d..6b8f591c5054 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -3316,8 +3316,6 @@ source "drivers/cpuidle/Kconfig" endmenu -source "drivers/firmware/Kconfig" - source "arch/mips/kvm/Kconfig" source "arch/mips/vdso/Kconfig" diff --git a/arch/mips/include/asm/mips-cps.h b/arch/mips/include/asm/mips-cps.h index 35fb8ee6dd33..fd43d876892e 100644 --- a/arch/mips/include/asm/mips-cps.h +++ b/arch/mips/include/asm/mips-cps.h @@ -10,8 +10,6 @@ #include <linux/io.h> #include <linux/types.h> -#include <asm/mips-boards/launch.h> - extern unsigned long __cps_access_bad_size(void) __compiletime_error("Bad size for CPS accessor"); @@ -167,30 +165,11 @@ static inline uint64_t mips_cps_cluster_config(unsigned int cluster) */ static inline unsigned int mips_cps_numcores(unsigned int cluster) { - unsigned int ncores; - if (!mips_cm_present()) return 0; /* Add one before masking to handle 0xff indicating no cores */ - ncores = (mips_cps_cluster_config(cluster) + 1) & CM_GCR_CONFIG_PCORES; - - if (IS_ENABLED(CONFIG_SOC_MT7621)) { - struct cpulaunch *launch; - - /* - * Ralink MT7621S SoC is single core, but the GCR_CONFIG method - * always reports 2 cores. Check the second core's LAUNCH_FREADY - * flag to detect if the second core is missing. This method - * only works before the core has been started. - */ - launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); - launch += 2; /* MT7621 has 2 VPEs per core */ - if (!(launch->flags & LAUNCH_FREADY)) - ncores = 1; - } - - return ncores; + return (mips_cps_cluster_config(cluster) + 1) & CM_GCR_CONFIG_PCORES; } /** diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index f1e985109da0..c9b2a75563e1 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -906,10 +906,8 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs); - if (thread_info_flags & _TIF_NOTIFY_RESUME) { + if (thread_info_flags & _TIF_NOTIFY_RESUME) tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); - } user_enter(); } diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c index 0af88622c619..cb6d22439f71 100644 --- a/arch/mips/net/bpf_jit.c +++ b/arch/mips/net/bpf_jit.c @@ -662,6 +662,11 @@ static void build_epilogue(struct jit_ctx *ctx) ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative : func) : \ func##_positive) +static bool is_bad_offset(int b_off) +{ + return b_off > 0x1ffff || b_off < -0x20000; +} + static int build_body(struct jit_ctx *ctx) { const struct bpf_prog *prog = ctx->skf; @@ -728,7 +733,10 @@ load_common: /* Load return register on DS for failures */ emit_reg_move(r_ret, r_zero, ctx); /* Return with error */ - emit_b(b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_b(b_off, ctx); emit_nop(ctx); break; case BPF_LD | BPF_W | BPF_IND: @@ -775,8 +783,10 @@ load_ind: emit_jalr(MIPS_R_RA, r_s0, ctx); emit_reg_move(MIPS_R_A0, r_skb, ctx); /* delay slot */ /* Check the error value */ - emit_bcond(MIPS_COND_NE, r_ret, 0, - b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_bcond(MIPS_COND_NE, r_ret, 0, b_off, ctx); emit_reg_move(r_ret, r_zero, ctx); /* We are good */ /* X <- P[1:K] & 0xf */ @@ -855,8 +865,10 @@ load_ind: /* A /= X */ ctx->flags |= SEEN_X | SEEN_A; /* Check if r_X is zero */ - emit_bcond(MIPS_COND_EQ, r_X, r_zero, - b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_bcond(MIPS_COND_EQ, r_X, r_zero, b_off, ctx); emit_load_imm(r_ret, 0, ctx); /* delay slot */ emit_div(r_A, r_X, ctx); break; @@ -864,8 +876,10 @@ load_ind: /* A %= X */ ctx->flags |= SEEN_X | SEEN_A; /* Check if r_X is zero */ - emit_bcond(MIPS_COND_EQ, r_X, r_zero, - b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_bcond(MIPS_COND_EQ, r_X, r_zero, b_off, ctx); emit_load_imm(r_ret, 0, ctx); /* delay slot */ emit_mod(r_A, r_X, ctx); break; @@ -926,7 +940,10 @@ load_ind: break; case BPF_JMP | BPF_JA: /* pc += K */ - emit_b(b_imm(i + k + 1, ctx), ctx); + b_off = b_imm(i + k + 1, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_b(b_off, ctx); emit_nop(ctx); break; case BPF_JMP | BPF_JEQ | BPF_K: @@ -1056,12 +1073,16 @@ jmp_cmp: break; case BPF_RET | BPF_A: ctx->flags |= SEEN_A; - if (i != prog->len - 1) + if (i != prog->len - 1) { /* * If this is not the last instruction * then jump to the epilogue */ - emit_b(b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_b(b_off, ctx); + } emit_reg_move(r_ret, r_A, ctx); /* delay slot */ break; case BPF_RET | BPF_K: @@ -1075,7 +1096,10 @@ jmp_cmp: * If this is not the last instruction * then jump to the epilogue */ - emit_b(b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_b(b_off, ctx); emit_nop(ctx); } break; @@ -1133,8 +1157,10 @@ jmp_cmp: /* Load *dev pointer */ emit_load_ptr(r_s0, r_skb, off, ctx); /* error (0) in the delay slot */ - emit_bcond(MIPS_COND_EQ, r_s0, r_zero, - b_imm(prog->len, ctx), ctx); + b_off = b_imm(prog->len, ctx); + if (is_bad_offset(b_off)) + return -E2BIG; + emit_bcond(MIPS_COND_EQ, r_s0, r_zero, b_off, ctx); emit_reg_move(r_ret, r_zero, ctx); if (code == (BPF_ANC | SKF_AD_IFINDEX)) { BUILD_BUG_ON(sizeof_field(struct net_device, ifindex) != 4); @@ -1244,7 +1270,10 @@ void bpf_jit_compile(struct bpf_prog *fp) /* Generate the actual JIT code */ build_prologue(&ctx); - build_body(&ctx); + if (build_body(&ctx)) { + module_memfree(ctx.target); + goto out; + } build_epilogue(&ctx); /* Update the icache */ diff --git a/arch/nios2/Kconfig.debug b/arch/nios2/Kconfig.debug index a8bc06e96ef5..ca1beb87f987 100644 --- a/arch/nios2/Kconfig.debug +++ b/arch/nios2/Kconfig.debug @@ -3,9 +3,10 @@ config EARLY_PRINTK bool "Activate early kernel debugging" default y + depends on TTY select SERIAL_CORE_CONSOLE help - Enable early printk on console + Enable early printk on console. This is useful for kernel debugging when your machine crashes very early before the console code is initialized. You should normally say N here, unless you want to debug such a crash. diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index cf8d687a2644..40bc8fb75e0b 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -149,8 +149,6 @@ static void __init find_limits(unsigned long *min, unsigned long *max_low, void __init setup_arch(char **cmdline_p) { - int dram_start; - console_verbose(); memory_start = memblock_start_of_DRAM(); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 4742b6f169b7..27a8b49af11f 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -384,6 +384,4 @@ config KEXEC_FILE endmenu -source "drivers/firmware/Kconfig" - source "drivers/parisc/Kconfig" diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index d00313d1274e..0561568f7b48 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -184,7 +184,7 @@ extern int npmem_ranges; #include <asm-generic/getorder.h> #include <asm/pdc.h> -#define PAGE0 ((struct zeropage *)__PAGE_OFFSET) +#define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET)) /* DEFINITION OF THE ZERO-PAGE (PAG0) */ /* based on work by Jason Eckhardt (jason@equator.com) */ diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c index f03adb1999e7..367f6397bda7 100644 --- a/arch/parisc/lib/iomap.c +++ b/arch/parisc/lib/iomap.c @@ -513,12 +513,15 @@ void ioport_unmap(void __iomem *addr) } } +#ifdef CONFIG_PCI void pci_iounmap(struct pci_dev *dev, void __iomem * addr) { if (!INDIRECT_ADDR(addr)) { iounmap(addr); } } +EXPORT_SYMBOL(pci_iounmap); +#endif EXPORT_SYMBOL(ioread8); EXPORT_SYMBOL(ioread16); @@ -544,4 +547,3 @@ EXPORT_SYMBOL(iowrite16_rep); EXPORT_SYMBOL(iowrite32_rep); EXPORT_SYMBOL(ioport_map); EXPORT_SYMBOL(ioport_unmap); -EXPORT_SYMBOL(pci_iounmap); diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 6900d0ac2421..089ee3ea55c8 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -35,7 +35,6 @@ endif BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -O2 -msoft-float -mno-altivec -mno-vsx \ -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ - -include $(srctree)/include/linux/compiler_attributes.h \ $(LINUXINCLUDE) ifdef CONFIG_PPC64_BOOT_WRAPPER @@ -70,6 +69,7 @@ ifeq ($(call cc-option-yn, -fstack-protector),y) BOOTCFLAGS += -fno-stack-protector endif +BOOTCFLAGS += -include $(srctree)/include/linux/compiler_attributes.h BOOTCFLAGS += -I$(objtree)/$(obj) -I$(srctree)/$(obj) DTC_FLAGS ?= -p 1024 diff --git a/arch/powerpc/boot/dts/fsl/t1023rdb.dts b/arch/powerpc/boot/dts/fsl/t1023rdb.dts index 5ba6fbfca274..f82f85c65964 100644 --- a/arch/powerpc/boot/dts/fsl/t1023rdb.dts +++ b/arch/powerpc/boot/dts/fsl/t1023rdb.dts @@ -154,7 +154,7 @@ fm1mac3: ethernet@e4000 { phy-handle = <&sgmii_aqr_phy3>; - phy-connection-type = "sgmii-2500"; + phy-connection-type = "2500base-x"; sleep = <&rcpm 0x20000000>; }; diff --git a/arch/powerpc/include/asm/asm-const.h b/arch/powerpc/include/asm/asm-const.h index 0ce2368bd20f..dbfa5e1e3198 100644 --- a/arch/powerpc/include/asm/asm-const.h +++ b/arch/powerpc/include/asm/asm-const.h @@ -12,16 +12,6 @@ # define ASM_CONST(x) __ASM_CONST(x) #endif -/* - * Inline assembly memory constraint - * - * GCC 4.9 doesn't properly handle pre update memory constraint "m<>" - * - */ -#if defined(GCC_VERSION) && GCC_VERSION < 50000 -#define UPD_CONSTR "" -#else #define UPD_CONSTR "<>" -#endif #endif /* _ASM_POWERPC_ASM_CONST_H */ diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h index d4b145b279f6..9f38040f0641 100644 --- a/arch/powerpc/include/asm/book3s/32/kup.h +++ b/arch/powerpc/include/asm/book3s/32/kup.h @@ -136,6 +136,14 @@ static inline void kuap_kernel_restore(struct pt_regs *regs, unsigned long kuap) if (kuap_is_disabled()) return; + if (unlikely(kuap != KUAP_NONE)) { + current->thread.kuap = KUAP_NONE; + kuap_lock(kuap, false); + } + + if (likely(regs->kuap == KUAP_NONE)) + return; + current->thread.kuap = regs->kuap; kuap_unlock(regs->kuap, false); diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index a95f63788c6b..4ba834599c4d 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -23,6 +23,7 @@ #define BRANCH_ABSOLUTE 0x2 bool is_offset_in_branch_range(long offset); +bool is_offset_in_cond_branch_range(long offset); int create_branch(struct ppc_inst *instr, const u32 *addr, unsigned long target, int flags); int create_cond_branch(struct ppc_inst *instr, const u32 *addr, diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 6b800d3e2681..a1d238255f07 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -265,13 +265,16 @@ static inline void interrupt_nmi_enter_prepare(struct pt_regs *regs, struct inte local_paca->irq_soft_mask = IRQS_ALL_DISABLED; local_paca->irq_happened |= PACA_IRQ_HARD_DIS; - if (is_implicit_soft_masked(regs)) { - // Adjust regs->softe soft implicit soft-mask, so - // arch_irq_disabled_regs(regs) behaves as expected. + if (!(regs->msr & MSR_EE) || is_implicit_soft_masked(regs)) { + /* + * Adjust regs->softe to be soft-masked if it had not been + * reconcied (e.g., interrupt entry with MSR[EE]=0 but softe + * not yet set disabled), or if it was in an implicit soft + * masked state. This makes arch_irq_disabled_regs(regs) + * behave as expected. + */ regs->softe = IRQS_ALL_DISABLED; } - if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) - BUG_ON(!arch_irq_disabled_regs(regs) && !(regs->msr & MSR_EE)); /* Don't do any per-CPU operations until interrupt state is fixed */ @@ -525,10 +528,9 @@ static __always_inline long ____##func(struct pt_regs *regs) /* kernel/traps.c */ DECLARE_INTERRUPT_HANDLER_NMI(system_reset_exception); #ifdef CONFIG_PPC_BOOK3S_64 -DECLARE_INTERRUPT_HANDLER_ASYNC(machine_check_exception); -#else -DECLARE_INTERRUPT_HANDLER_NMI(machine_check_exception); +DECLARE_INTERRUPT_HANDLER_ASYNC(machine_check_exception_async); #endif +DECLARE_INTERRUPT_HANDLER_NMI(machine_check_exception); DECLARE_INTERRUPT_HANDLER(SMIException); DECLARE_INTERRUPT_HANDLER(handle_hmi_exception); DECLARE_INTERRUPT_HANDLER(unknown_exception); diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h index 792eefaf230b..27574f218b37 100644 --- a/arch/powerpc/include/asm/security_features.h +++ b/arch/powerpc/include/asm/security_features.h @@ -39,6 +39,11 @@ static inline bool security_ftr_enabled(u64 feature) return !!(powerpc_security_features & feature); } +#ifdef CONFIG_PPC_BOOK3S_64 +enum stf_barrier_type stf_barrier_type_get(void); +#else +static inline enum stf_barrier_type stf_barrier_type_get(void) { return STF_BARRIER_NONE; } +#endif // Features indicating support for Spectre/Meltdown mitigations diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index 111249fd619d..038ce8d9061d 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -184,6 +184,15 @@ u64 dma_iommu_get_required_mask(struct device *dev) struct iommu_table *tbl = get_iommu_table_base(dev); u64 mask; + if (dev_is_pci(dev)) { + u64 bypass_mask = dma_direct_get_required_mask(dev); + + if (dma_iommu_dma_supported(dev, bypass_mask)) { + dev_info(dev, "%s: returning bypass mask 0x%llx\n", __func__, bypass_mask); + return bypass_mask; + } + } + if (!tbl) return 0; diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 37859e62a8dc..eaf1f72131a1 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1243,7 +1243,7 @@ EXC_COMMON_BEGIN(machine_check_common) li r10,MSR_RI mtmsrd r10,1 addi r3,r1,STACK_FRAME_OVERHEAD - bl machine_check_exception + bl machine_check_exception_async b interrupt_return_srr @@ -1303,7 +1303,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) subi r12,r12,1 sth r12,PACA_IN_MCE(r13) - /* Invoke machine_check_exception to print MCE event and panic. */ + /* + * Invoke machine_check_exception to print MCE event and panic. + * This is the NMI version of the handler because we are called from + * the early handler which is a true NMI. + */ addi r3,r1,STACK_FRAME_OVERHEAD bl machine_check_exception @@ -1665,27 +1669,30 @@ EXC_COMMON_BEGIN(program_check_common) */ andi. r10,r12,MSR_PR - bne 2f /* If userspace, go normal path */ + bne .Lnormal_stack /* If userspace, go normal path */ andis. r10,r12,(SRR1_PROGTM)@h - bne 1f /* If TM, emergency */ + bne .Lemergency_stack /* If TM, emergency */ cmpdi r1,-INT_FRAME_SIZE /* check if r1 is in userspace */ - blt 2f /* normal path if not */ + blt .Lnormal_stack /* normal path if not */ /* Use the emergency stack */ -1: andi. r10,r12,MSR_PR /* Set CR0 correctly for label */ +.Lemergency_stack: + andi. r10,r12,MSR_PR /* Set CR0 correctly for label */ /* 3 in EXCEPTION_PROLOG_COMMON */ mr r10,r1 /* Save r1 */ ld r1,PACAEMERGSP(r13) /* Use emergency stack */ subi r1,r1,INT_FRAME_SIZE /* alloc stack frame */ __ISTACK(program_check)=0 __GEN_COMMON_BODY program_check - b 3f -2: + b .Ldo_program_check + +.Lnormal_stack: __ISTACK(program_check)=1 __GEN_COMMON_BODY program_check -3: + +.Ldo_program_check: addi r3,r1,STACK_FRAME_OVERHEAD bl program_check_exception REST_NVGPRS(r1) /* instruction emulation may change GPRs */ diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c index a73f3f70a657..de10a2697258 100644 --- a/arch/powerpc/kernel/interrupt.c +++ b/arch/powerpc/kernel/interrupt.c @@ -18,6 +18,7 @@ #include <asm/switch_to.h> #include <asm/syscall.h> #include <asm/time.h> +#include <asm/tm.h> #include <asm/unistd.h> #if defined(CONFIG_PPC_ADV_DEBUG_REGS) && defined(CONFIG_PPC32) @@ -136,6 +137,48 @@ notrace long system_call_exception(long r3, long r4, long r5, */ irq_soft_mask_regs_set_state(regs, IRQS_ENABLED); + /* + * If system call is called with TM active, set _TIF_RESTOREALL to + * prevent RFSCV being used to return to userspace, because POWER9 + * TM implementation has problems with this instruction returning to + * transactional state. Final register values are not relevant because + * the transaction will be aborted upon return anyway. Or in the case + * of unsupported_scv SIGILL fault, the return state does not much + * matter because it's an edge case. + */ + if (IS_ENABLED(CONFIG_PPC_TRANSACTIONAL_MEM) && + unlikely(MSR_TM_TRANSACTIONAL(regs->msr))) + current_thread_info()->flags |= _TIF_RESTOREALL; + + /* + * If the system call was made with a transaction active, doom it and + * return without performing the system call. Unless it was an + * unsupported scv vector, in which case it's treated like an illegal + * instruction. + */ +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (unlikely(MSR_TM_TRANSACTIONAL(regs->msr)) && + !trap_is_unsupported_scv(regs)) { + /* Enable TM in the kernel, and disable EE (for scv) */ + hard_irq_disable(); + mtmsr(mfmsr() | MSR_TM); + + /* tabort, this dooms the transaction, nothing else */ + asm volatile(".long 0x7c00071d | ((%0) << 16)" + :: "r"(TM_CAUSE_SYSCALL|TM_CAUSE_PERSISTENT)); + + /* + * Userspace will never see the return value. Execution will + * resume after the tbegin. of the aborted transaction with the + * checkpointed register state. A context switch could occur + * or signal delivered to the process before resuming the + * doomed transaction context, but that should all be handled + * as expected. + */ + return -ENOSYS; + } +#endif // CONFIG_PPC_TRANSACTIONAL_MEM + local_irq_enable(); if (unlikely(current_thread_info()->flags & _TIF_SYSCALL_DOTRACE)) { diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index d4212d2ff0b5..ec950b08a8dc 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -12,7 +12,6 @@ #include <asm/mmu.h> #include <asm/ppc_asm.h> #include <asm/ptrace.h> -#include <asm/tm.h> .section ".toc","aw" SYS_CALL_TABLE: @@ -55,12 +54,6 @@ COMPAT_SYS_CALL_TABLE: .globl system_call_vectored_\name system_call_vectored_\name: _ASM_NOKPROBE_SYMBOL(system_call_vectored_\name) -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM -BEGIN_FTR_SECTION - extrdi. r10, r12, 1, (63-MSR_TS_T_LG) /* transaction active? */ - bne tabort_syscall -END_FTR_SECTION_IFSET(CPU_FTR_TM) -#endif SCV_INTERRUPT_TO_KERNEL mr r10,r1 ld r1,PACAKSAVE(r13) @@ -247,12 +240,6 @@ _ASM_NOKPROBE_SYMBOL(system_call_common_real) .globl system_call_common system_call_common: _ASM_NOKPROBE_SYMBOL(system_call_common) -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM -BEGIN_FTR_SECTION - extrdi. r10, r12, 1, (63-MSR_TS_T_LG) /* transaction active? */ - bne tabort_syscall -END_FTR_SECTION_IFSET(CPU_FTR_TM) -#endif mr r10,r1 ld r1,PACAKSAVE(r13) std r10,0(r1) @@ -425,34 +412,6 @@ SOFT_MASK_TABLE(.Lsyscall_rst_start, 1b) RESTART_TABLE(.Lsyscall_rst_start, .Lsyscall_rst_end, syscall_restart) #endif -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM -tabort_syscall: -_ASM_NOKPROBE_SYMBOL(tabort_syscall) - /* Firstly we need to enable TM in the kernel */ - mfmsr r10 - li r9, 1 - rldimi r10, r9, MSR_TM_LG, 63-MSR_TM_LG - mtmsrd r10, 0 - - /* tabort, this dooms the transaction, nothing else */ - li r9, (TM_CAUSE_SYSCALL|TM_CAUSE_PERSISTENT) - TABORT(R9) - - /* - * Return directly to userspace. We have corrupted user register state, - * but userspace will never see that register state. Execution will - * resume after the tbegin of the aborted transaction with the - * checkpointed register state. - */ - li r9, MSR_RI - andc r10, r10, r9 - mtmsrd r10, 1 - mtspr SPRN_SRR0, r11 - mtspr SPRN_SRR1, r12 - RFI_TO_USER - b . /* prevent speculative execution */ -#endif - /* * If MSR EE/RI was never enabled, IRQs not reconciled, NVGPRs not * touched, no exit work created, then this can be used. diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 551b653228c4..c4f1d6b7d992 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -229,6 +229,9 @@ notrace void arch_local_irq_restore(unsigned long mask) return; } + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) + WARN_ON_ONCE(in_nmi() || in_hardirq()); + /* * After the stb, interrupts are unmasked and there are no interrupts * pending replay. The restart sequence makes this atomic with @@ -321,6 +324,9 @@ notrace void arch_local_irq_restore(unsigned long mask) if (mask) return; + if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) + WARN_ON_ONCE(in_nmi() || in_hardirq()); + /* * From this point onward, we can take interrupts, preempt, * etc... unless we got hard-disabled. We check if an event diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c index 47a683cd00d2..fd829f7f25a4 100644 --- a/arch/powerpc/kernel/mce.c +++ b/arch/powerpc/kernel/mce.c @@ -249,6 +249,7 @@ void machine_check_queue_event(void) { int index; struct machine_check_event evt; + unsigned long msr; if (!get_mce_event(&evt, MCE_EVENT_RELEASE)) return; @@ -262,8 +263,20 @@ void machine_check_queue_event(void) memcpy(&local_paca->mce_info->mce_event_queue[index], &evt, sizeof(evt)); - /* Queue irq work to process this event later. */ - irq_work_queue(&mce_event_process_work); + /* + * Queue irq work to process this event later. Before + * queuing the work enable translation for non radix LPAR, + * as irq_work_queue may try to access memory outside RMO + * region. + */ + if (!radix_enabled() && firmware_has_feature(FW_FEATURE_LPAR)) { + msr = mfmsr(); + mtmsr(msr | MSR_IR | MSR_DR); + irq_work_queue(&mce_event_process_work); + mtmsr(msr); + } else { + irq_work_queue(&mce_event_process_work); + } } void mce_common_process_ue(struct pt_regs *regs, diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 1a998490fe60..15fb5ea1b9ea 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -263,6 +263,11 @@ static int __init handle_no_stf_barrier(char *p) early_param("no_stf_barrier", handle_no_stf_barrier); +enum stf_barrier_type stf_barrier_type_get(void) +{ + return stf_enabled_flush_types; +} + /* This is the generic flag used by other architectures */ static int __init handle_ssbd(char *p) { diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index e600764a926c..b93b87df499d 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -293,10 +293,8 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) do_signal(current); } - if (thread_info_flags & _TIF_NOTIFY_RESUME) { + if (thread_info_flags & _TIF_NOTIFY_RESUME) tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); - } } static unsigned long get_tm_stackpointer(struct task_struct *tsk) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index aac8c0412ff9..11741703d26e 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -340,10 +340,16 @@ static bool exception_common(int signr, struct pt_regs *regs, int code, return false; } - show_signal_msg(signr, regs, code, addr); + /* + * Must not enable interrupts even for user-mode exception, because + * this can be called from machine check, which may be a NMI or IRQ + * which don't like interrupts being enabled. Could check for + * in_hardirq || in_nmi perhaps, but there doesn't seem to be a good + * reason why _exception() should enable irqs for an exception handler, + * the handlers themselves do that directly. + */ - if (arch_irqs_disabled()) - interrupt_cond_local_irq_enable(regs); + show_signal_msg(signr, regs, code, addr); current->thread.trap_nr = code; @@ -790,24 +796,22 @@ void die_mce(const char *str, struct pt_regs *regs, long err) * do_exit() checks for in_interrupt() and panics in that case, so * exit the irq/nmi before calling die. */ - if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) - irq_exit(); - else + if (in_nmi()) nmi_exit(); + else + irq_exit(); die(str, regs, err); } /* - * BOOK3S_64 does not call this handler as a non-maskable interrupt + * BOOK3S_64 does not usually call this handler as a non-maskable interrupt * (it uses its own early real-mode handler to handle the MCE proper * and then raises irq_work to call this handler when interrupts are - * enabled). + * enabled). The only time when this is not true is if the early handler + * is unrecoverable, then it does call this directly to try to get a + * message out. */ -#ifdef CONFIG_PPC_BOOK3S_64 -DEFINE_INTERRUPT_HANDLER_ASYNC(machine_check_exception) -#else -DEFINE_INTERRUPT_HANDLER_NMI(machine_check_exception) -#endif +static void __machine_check_exception(struct pt_regs *regs) { int recover = 0; @@ -841,12 +845,19 @@ bail: /* Must die if the interrupt is not recoverable */ if (regs_is_unrecoverable(regs)) die_mce("Unrecoverable Machine check", regs, SIGBUS); +} #ifdef CONFIG_PPC_BOOK3S_64 - return; -#else - return 0; +DEFINE_INTERRUPT_HANDLER_ASYNC(machine_check_exception_async) +{ + __machine_check_exception(regs); +} #endif +DEFINE_INTERRUPT_HANDLER_NMI(machine_check_exception) +{ + __machine_check_exception(regs); + + return 0; } DEFINE_INTERRUPT_HANDLER(SMIException) /* async? */ diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 75079397c2a5..90484425a1e6 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -2536,7 +2536,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_P9_TM_HV_ASSIST) /* The following code handles the fake_suspend = 1 case */ mflr r0 std r0, PPC_LR_STKOFF(r1) - stdu r1, -PPC_MIN_STKFRM(r1) + stdu r1, -TM_FRAME_SIZE(r1) /* Turn on TM. */ mfmsr r8 @@ -2551,10 +2551,42 @@ BEGIN_FTR_SECTION END_FTR_SECTION_IFSET(CPU_FTR_P9_TM_XER_SO_BUG) nop + /* + * It's possible that treclaim. may modify registers, if we have lost + * track of fake-suspend state in the guest due to it using rfscv. + * Save and restore registers in case this occurs. + */ + mfspr r3, SPRN_DSCR + mfspr r4, SPRN_XER + mfspr r5, SPRN_AMR + /* SPRN_TAR would need to be saved here if the kernel ever used it */ + mfcr r12 + SAVE_NVGPRS(r1) + SAVE_GPR(2, r1) + SAVE_GPR(3, r1) + SAVE_GPR(4, r1) + SAVE_GPR(5, r1) + stw r12, 8(r1) + std r1, HSTATE_HOST_R1(r13) + /* We have to treclaim here because that's the only way to do S->N */ li r3, TM_CAUSE_KVM_RESCHED TRECLAIM(R3) + GET_PACA(r13) + ld r1, HSTATE_HOST_R1(r13) + REST_GPR(2, r1) + REST_GPR(3, r1) + REST_GPR(4, r1) + REST_GPR(5, r1) + lwz r12, 8(r1) + REST_NVGPRS(r1) + mtspr SPRN_DSCR, r3 + mtspr SPRN_XER, r4 + mtspr SPRN_AMR, r5 + mtcr r12 + HMT_MEDIUM + /* * We were in fake suspend, so we are not going to save the * register state as the guest checkpointed state (since @@ -2582,7 +2614,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_P9_TM_XER_SO_BUG) std r5, VCPU_TFHAR(r9) std r6, VCPU_TFIAR(r9) - addi r1, r1, PPC_MIN_STKFRM + addi r1, r1, TM_FRAME_SIZE ld r0, PPC_LR_STKOFF(r1) mtlr r0 blr diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index f9a3019e37b4..c5ed98823835 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -228,6 +228,11 @@ bool is_offset_in_branch_range(long offset) return (offset >= -0x2000000 && offset <= 0x1fffffc && !(offset & 0x3)); } +bool is_offset_in_cond_branch_range(long offset) +{ + return offset >= -0x8000 && offset <= 0x7fff && !(offset & 0x3); +} + /* * Helper to check if a given instruction is a conditional branch * Derived from the conditional checks in analyse_instr() @@ -280,7 +285,7 @@ int create_cond_branch(struct ppc_inst *instr, const u32 *addr, offset = offset - (unsigned long)addr; /* Check we can represent the target in the instruction format */ - if (offset < -0x8000 || offset > 0x7FFF || offset & 0x3) + if (!is_offset_in_cond_branch_range(offset)) return 1; /* Mask out the flags and target, so they don't step on each other. */ diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index 99fad093f43e..7e9b978b768e 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -24,16 +24,30 @@ #define EMIT(instr) PLANT_INSTR(image, ctx->idx, instr) /* Long jump; (unconditional 'branch') */ -#define PPC_JMP(dest) EMIT(PPC_INST_BRANCH | \ - (((dest) - (ctx->idx * 4)) & 0x03fffffc)) +#define PPC_JMP(dest) \ + do { \ + long offset = (long)(dest) - (ctx->idx * 4); \ + if (!is_offset_in_branch_range(offset)) { \ + pr_err_ratelimited("Branch offset 0x%lx (@%u) out of range\n", offset, ctx->idx); \ + return -ERANGE; \ + } \ + EMIT(PPC_INST_BRANCH | (offset & 0x03fffffc)); \ + } while (0) + /* blr; (unconditional 'branch' with link) to absolute address */ #define PPC_BL_ABS(dest) EMIT(PPC_INST_BL | \ (((dest) - (unsigned long)(image + ctx->idx)) & 0x03fffffc)) /* "cond" here covers BO:BI fields. */ -#define PPC_BCC_SHORT(cond, dest) EMIT(PPC_INST_BRANCH_COND | \ - (((cond) & 0x3ff) << 16) | \ - (((dest) - (ctx->idx * 4)) & \ - 0xfffc)) +#define PPC_BCC_SHORT(cond, dest) \ + do { \ + long offset = (long)(dest) - (ctx->idx * 4); \ + if (!is_offset_in_cond_branch_range(offset)) { \ + pr_err_ratelimited("Conditional branch offset 0x%lx (@%u) out of range\n", offset, ctx->idx); \ + return -ERANGE; \ + } \ + EMIT(PPC_INST_BRANCH_COND | (((cond) & 0x3ff) << 16) | (offset & 0xfffc)); \ + } while (0) + /* Sign-extended 32-bit immediate load */ #define PPC_LI32(d, i) do { \ if ((int)(uintptr_t)(i) >= -32768 && \ @@ -78,11 +92,6 @@ #define PPC_FUNC_ADDR(d,i) do { PPC_LI32(d, i); } while(0) #endif -static inline bool is_nearbranch(int offset) -{ - return (offset < 32768) && (offset >= -32768); -} - /* * The fly in the ointment of code size changing from pass to pass is * avoided by padding the short branch case with a NOP. If code size differs @@ -91,7 +100,7 @@ static inline bool is_nearbranch(int offset) * state. */ #define PPC_BCC(cond, dest) do { \ - if (is_nearbranch((dest) - (ctx->idx * 4))) { \ + if (is_offset_in_cond_branch_range((long)(dest) - (ctx->idx * 4))) { \ PPC_BCC_SHORT(cond, dest); \ EMIT(PPC_RAW_NOP()); \ } else { \ diff --git a/arch/powerpc/net/bpf_jit64.h b/arch/powerpc/net/bpf_jit64.h index 7b713edfa7e2..b63b35e45e55 100644 --- a/arch/powerpc/net/bpf_jit64.h +++ b/arch/powerpc/net/bpf_jit64.h @@ -16,18 +16,18 @@ * with our redzone usage. * * [ prev sp ] <------------- - * [ nv gpr save area ] 6*8 | + * [ nv gpr save area ] 5*8 | * [ tail_call_cnt ] 8 | - * [ local_tmp_var ] 8 | + * [ local_tmp_var ] 16 | * fp (r31) --> [ ebpf stack space ] upto 512 | * [ frame header ] 32/112 | * sp (r1) ---> [ stack pointer ] -------------- */ /* for gpr non volatile registers BPG_REG_6 to 10 */ -#define BPF_PPC_STACK_SAVE (6*8) +#define BPF_PPC_STACK_SAVE (5*8) /* for bpf JIT code internal usage */ -#define BPF_PPC_STACK_LOCALS 16 +#define BPF_PPC_STACK_LOCALS 24 /* stack frame excluding BPF stack, ensure this is quadword aligned */ #define BPF_PPC_STACKFRAME (STACK_FRAME_MIN_SIZE + \ BPF_PPC_STACK_LOCALS + BPF_PPC_STACK_SAVE) diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 53aefee3fe70..fcbf7a917c56 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -210,7 +210,11 @@ skip_init_ctx: /* Now build the prologue, body code & epilogue for real. */ cgctx.idx = 0; bpf_jit_build_prologue(code_base, &cgctx); - bpf_jit_build_body(fp, code_base, &cgctx, addrs, extra_pass); + if (bpf_jit_build_body(fp, code_base, &cgctx, addrs, extra_pass)) { + bpf_jit_binary_free(bpf_hdr); + fp = org_fp; + goto out_addrs; + } bpf_jit_build_epilogue(code_base, &cgctx); if (bpf_jit_enable > 1) diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index beb12cbc8c29..0da31d41d413 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -200,7 +200,7 @@ void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx, u64 fun } } -static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) +static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) { /* * By now, the eBPF program has already setup parameters in r3-r6 @@ -261,7 +261,9 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 bpf_jit_emit_common_epilogue(image, ctx); EMIT(PPC_RAW_BCTR()); + /* out: */ + return 0; } /* Assemble the body code between the prologue & epilogue */ @@ -355,7 +357,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * PPC_LI32(_R0, imm); EMIT(PPC_RAW_ADDC(dst_reg, dst_reg, _R0)); } - if (imm >= 0) + if (imm >= 0 || (BPF_OP(code) == BPF_SUB && imm == 0x80000000)) EMIT(PPC_RAW_ADDZE(dst_reg_h, dst_reg_h)); else EMIT(PPC_RAW_ADDME(dst_reg_h, dst_reg_h)); @@ -623,7 +625,7 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * EMIT(PPC_RAW_LI(dst_reg_h, 0)); break; case BPF_ALU | BPF_ARSH | BPF_X: /* (s32) dst >>= src */ - EMIT(PPC_RAW_SRAW(dst_reg_h, dst_reg, src_reg)); + EMIT(PPC_RAW_SRAW(dst_reg, dst_reg, src_reg)); break; case BPF_ALU64 | BPF_ARSH | BPF_X: /* (s64) dst >>= src */ bpf_set_seen_register(ctx, tmp_reg); @@ -1073,7 +1075,7 @@ cond_branch: break; case BPF_JMP32 | BPF_JSET | BPF_K: /* andi does not sign-extend the immediate */ - if (imm >= -32768 && imm < 32768) { + if (imm >= 0 && imm < 32768) { /* PPC_ANDI is _only/always_ dot-form */ EMIT(PPC_RAW_ANDI(_R0, dst_reg, imm)); } else { @@ -1090,7 +1092,9 @@ cond_branch: */ case BPF_JMP | BPF_TAIL_CALL: ctx->seen |= SEEN_TAILCALL; - bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + ret = bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + if (ret < 0) + return ret; break; default: @@ -1103,7 +1107,7 @@ cond_branch: return -EOPNOTSUPP; } if (BPF_CLASS(code) == BPF_ALU && !fp->aux->verifier_zext && - !insn_is_zext(&insn[i + 1])) + !insn_is_zext(&insn[i + 1]) && !(BPF_OP(code) == BPF_END && imm == 64)) EMIT(PPC_RAW_LI(dst_reg_h, 0)); } diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index b87a63dba9c8..8b5157ccfeba 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -15,6 +15,7 @@ #include <linux/if_vlan.h> #include <asm/kprobes.h> #include <linux/bpf.h> +#include <asm/security_features.h> #include "bpf_jit64.h" @@ -35,9 +36,9 @@ static inline bool bpf_has_stack_frame(struct codegen_context *ctx) * [ prev sp ] <------------- * [ ... ] | * sp (r1) ---> [ stack pointer ] -------------- - * [ nv gpr save area ] 6*8 + * [ nv gpr save area ] 5*8 * [ tail_call_cnt ] 8 - * [ local_tmp_var ] 8 + * [ local_tmp_var ] 16 * [ unused red zone ] 208 bytes protected */ static int bpf_jit_stack_local(struct codegen_context *ctx) @@ -45,12 +46,12 @@ static int bpf_jit_stack_local(struct codegen_context *ctx) if (bpf_has_stack_frame(ctx)) return STACK_FRAME_MIN_SIZE + ctx->stack_size; else - return -(BPF_PPC_STACK_SAVE + 16); + return -(BPF_PPC_STACK_SAVE + 24); } static int bpf_jit_stack_tailcallcnt(struct codegen_context *ctx) { - return bpf_jit_stack_local(ctx) + 8; + return bpf_jit_stack_local(ctx) + 16; } static int bpf_jit_stack_offsetof(struct codegen_context *ctx, int reg) @@ -206,7 +207,7 @@ void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx, u64 fun EMIT(PPC_RAW_BCTRL()); } -static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) +static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) { /* * By now, the eBPF program has already setup parameters in r3, r4 and r5 @@ -267,13 +268,38 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 bpf_jit_emit_common_epilogue(image, ctx); EMIT(PPC_RAW_BCTR()); + /* out: */ + return 0; } +/* + * We spill into the redzone always, even if the bpf program has its own stackframe. + * Offsets hardcoded based on BPF_PPC_STACK_SAVE -- see bpf_jit_stack_local() + */ +void bpf_stf_barrier(void); + +asm ( +" .global bpf_stf_barrier ;" +" bpf_stf_barrier: ;" +" std 21,-64(1) ;" +" std 22,-56(1) ;" +" sync ;" +" ld 21,-64(1) ;" +" ld 22,-56(1) ;" +" ori 31,31,0 ;" +" .rept 14 ;" +" b 1f ;" +" 1: ;" +" .endr ;" +" blr ;" +); + /* Assemble the body code between the prologue & epilogue */ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *ctx, u32 *addrs, bool extra_pass) { + enum stf_barrier_type stf_barrier = stf_barrier_type_get(); const struct bpf_insn *insn = fp->insnsi; int flen = fp->len; int i, ret; @@ -328,18 +354,25 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * EMIT(PPC_RAW_SUB(dst_reg, dst_reg, src_reg)); goto bpf_alu32_trunc; case BPF_ALU | BPF_ADD | BPF_K: /* (u32) dst += (u32) imm */ - case BPF_ALU | BPF_SUB | BPF_K: /* (u32) dst -= (u32) imm */ case BPF_ALU64 | BPF_ADD | BPF_K: /* dst += imm */ + if (!imm) { + goto bpf_alu32_trunc; + } else if (imm >= -32768 && imm < 32768) { + EMIT(PPC_RAW_ADDI(dst_reg, dst_reg, IMM_L(imm))); + } else { + PPC_LI32(b2p[TMP_REG_1], imm); + EMIT(PPC_RAW_ADD(dst_reg, dst_reg, b2p[TMP_REG_1])); + } + goto bpf_alu32_trunc; + case BPF_ALU | BPF_SUB | BPF_K: /* (u32) dst -= (u32) imm */ case BPF_ALU64 | BPF_SUB | BPF_K: /* dst -= imm */ - if (BPF_OP(code) == BPF_SUB) - imm = -imm; - if (imm) { - if (imm >= -32768 && imm < 32768) - EMIT(PPC_RAW_ADDI(dst_reg, dst_reg, IMM_L(imm))); - else { - PPC_LI32(b2p[TMP_REG_1], imm); - EMIT(PPC_RAW_ADD(dst_reg, dst_reg, b2p[TMP_REG_1])); - } + if (!imm) { + goto bpf_alu32_trunc; + } else if (imm > -32768 && imm <= 32768) { + EMIT(PPC_RAW_ADDI(dst_reg, dst_reg, IMM_L(-imm))); + } else { + PPC_LI32(b2p[TMP_REG_1], imm); + EMIT(PPC_RAW_SUB(dst_reg, dst_reg, b2p[TMP_REG_1])); } goto bpf_alu32_trunc; case BPF_ALU | BPF_MUL | BPF_X: /* (u32) dst *= (u32) src */ @@ -389,8 +422,14 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context * case BPF_ALU64 | BPF_DIV | BPF_K: /* dst /= imm */ if (imm == 0) return -EINVAL; - else if (imm == 1) - goto bpf_alu32_trunc; + if (imm == 1) { + if (BPF_OP(code) == BPF_DIV) { + goto bpf_alu32_trunc; + } else { + EMIT(PPC_RAW_LI(dst_reg, 0)); + break; + } + } PPC_LI32(b2p[TMP_REG_1], imm); switch (BPF_CLASS(code)) { @@ -631,6 +670,29 @@ emit_clear: * BPF_ST NOSPEC (speculation barrier) */ case BPF_ST | BPF_NOSPEC: + if (!security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY) || + !security_ftr_enabled(SEC_FTR_STF_BARRIER)) + break; + + switch (stf_barrier) { + case STF_BARRIER_EIEIO: + EMIT(PPC_RAW_EIEIO() | 0x02000000); + break; + case STF_BARRIER_SYNC_ORI: + EMIT(PPC_RAW_SYNC()); + EMIT(PPC_RAW_LD(b2p[TMP_REG_1], _R13, 0)); + EMIT(PPC_RAW_ORI(_R31, _R31, 0)); + break; + case STF_BARRIER_FALLBACK: + EMIT(PPC_RAW_MFLR(b2p[TMP_REG_1])); + PPC_LI64(12, dereference_kernel_function_descriptor(bpf_stf_barrier)); + EMIT(PPC_RAW_MTCTR(12)); + EMIT(PPC_RAW_BCTRL()); + EMIT(PPC_RAW_MTLR(b2p[TMP_REG_1])); + break; + case STF_BARRIER_NONE: + break; + } break; /* @@ -993,7 +1055,9 @@ cond_branch: */ case BPF_JMP | BPF_TAIL_CALL: ctx->seen |= SEEN_TAILCALL; - bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + ret = bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + if (ret < 0) + return ret; break; default: diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c index bc15200852b7..09fafcf2d3a0 100644 --- a/arch/powerpc/platforms/pseries/eeh_pseries.c +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c @@ -867,6 +867,10 @@ static int __init eeh_pseries_init(void) if (is_kdump_kernel() || reset_devices) { pr_info("Issue PHB reset ...\n"); list_for_each_entry(phb, &hose_list, list_node) { + // Skip if the slot is empty + if (list_empty(&PCI_DN(phb->dn)->child_list)) + continue; + pdn = list_first_entry(&PCI_DN(phb->dn)->child_list, struct pci_dn, list); config_addr = pseries_eeh_get_pe_config_addr(pdn); diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 1b305e411862..8627362f613e 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -507,12 +507,27 @@ static void pseries_msi_unmask(struct irq_data *d) irq_chip_unmask_parent(d); } +static void pseries_msi_write_msg(struct irq_data *data, struct msi_msg *msg) +{ + struct msi_desc *entry = irq_data_get_msi_desc(data); + + /* + * Do not update the MSIx vector table. It's not strictly necessary + * because the table is initialized by the underlying hypervisor, PowerVM + * or QEMU/KVM. However, if the MSIx vector entry is cleared, any further + * activation will fail. This can happen in some drivers (eg. IPR) which + * deactivate an IRQ used for testing MSI support. + */ + entry->msg = *msg; +} + static struct irq_chip pseries_pci_msi_irq_chip = { .name = "pSeries-PCI-MSI", .irq_shutdown = pseries_msi_shutdown, .irq_mask = pseries_msi_mask, .irq_unmask = pseries_msi_unmask, .irq_eoi = irq_chip_eoi_parent, + .irq_write_msi_msg = pseries_msi_write_msg, }; static struct msi_domain_info pseries_msi_domain_info = { diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index 5c1a157a83b8..244a727c6ba4 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -348,9 +348,9 @@ static int xics_host_map(struct irq_domain *domain, unsigned int virq, if (xics_ics->check(xics_ics, hwirq)) return -EINVAL; - /* No chip data for the XICS domain */ + /* Let the ICS be the chip data for the XICS domain. For ICS native */ irq_domain_set_info(domain, virq, hwirq, xics_ics->chip, - NULL, handle_fasteoi_irq, NULL, NULL); + xics_ics, handle_fasteoi_irq, NULL, NULL); return 0; } diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c3f3fd583e04..6a6fa9e976d5 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -236,7 +236,7 @@ config ARCH_RV32I config ARCH_RV64I bool "RV64I" select 64BIT - select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && GCC_VERSION >= 50000 + select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchable-function-entry=8) select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL @@ -561,5 +561,3 @@ menu "Power management options" source "kernel/power/Kconfig" endmenu - -source "drivers/firmware/Kconfig" diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h index b933b1583c9f..34fbb3ea21d5 100644 --- a/arch/riscv/include/asm/syscall.h +++ b/arch/riscv/include/asm/syscall.h @@ -82,4 +82,5 @@ static inline int syscall_get_arch(struct task_struct *task) #endif } +asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); #endif /* _ASM_RISCV_SYSCALL_H */ diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h index 893e47195e30..208e31bc5d1c 100644 --- a/arch/riscv/include/asm/vdso.h +++ b/arch/riscv/include/asm/vdso.h @@ -16,18 +16,24 @@ #ifdef CONFIG_MMU #include <linux/types.h> -#include <generated/vdso-offsets.h> +/* + * All systems with an MMU have a VDSO, but systems without an MMU don't + * support shared libraries and therefor don't have one. + */ +#ifdef CONFIG_MMU + +#define __VVAR_PAGES 1 -#ifndef CONFIG_GENERIC_TIME_VSYSCALL -struct vdso_data { -}; -#endif +#ifndef __ASSEMBLY__ +#include <generated/vdso-offsets.h> #define VDSO_SYMBOL(base, name) \ (void __user *)((unsigned long)(base) + __vdso_##name##_offset) #endif /* CONFIG_MMU */ -asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); +#endif /* !__ASSEMBLY__ */ + +#endif /* CONFIG_MMU */ #endif /* _ASM_RISCV_VDSO_H */ diff --git a/arch/riscv/include/uapi/asm/unistd.h b/arch/riscv/include/uapi/asm/unistd.h index 4b989ae15d59..8062996c2dfd 100644 --- a/arch/riscv/include/uapi/asm/unistd.h +++ b/arch/riscv/include/uapi/asm/unistd.h @@ -18,9 +18,10 @@ #ifdef __LP64__ #define __ARCH_WANT_NEW_STAT #define __ARCH_WANT_SET_GET_RLIMIT -#define __ARCH_WANT_SYS_CLONE3 #endif /* __LP64__ */ +#define __ARCH_WANT_SYS_CLONE3 + #include <asm-generic/unistd.h> /* diff --git a/arch/riscv/kernel/syscall_table.c b/arch/riscv/kernel/syscall_table.c index a63c667c27b3..44b1420a2270 100644 --- a/arch/riscv/kernel/syscall_table.c +++ b/arch/riscv/kernel/syscall_table.c @@ -7,7 +7,6 @@ #include <linux/linkage.h> #include <linux/syscalls.h> #include <asm-generic/syscalls.h> -#include <asm/vdso.h> #include <asm/syscall.h> #undef __SYSCALL diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c index 25a3b8849599..b70956d80408 100644 --- a/arch/riscv/kernel/vdso.c +++ b/arch/riscv/kernel/vdso.c @@ -12,14 +12,24 @@ #include <linux/binfmts.h> #include <linux/err.h> #include <asm/page.h> +#include <asm/vdso.h> + #ifdef CONFIG_GENERIC_TIME_VSYSCALL #include <vdso/datapage.h> #else -#include <asm/vdso.h> +struct vdso_data { +}; #endif extern char vdso_start[], vdso_end[]; +enum vvar_pages { + VVAR_DATA_PAGE_OFFSET, + VVAR_NR_PAGES, +}; + +#define VVAR_SIZE (VVAR_NR_PAGES << PAGE_SHIFT) + static unsigned int vdso_pages __ro_after_init; static struct page **vdso_pagelist __ro_after_init; @@ -38,7 +48,7 @@ static int __init vdso_init(void) vdso_pages = (vdso_end - vdso_start) >> PAGE_SHIFT; vdso_pagelist = - kcalloc(vdso_pages + 1, sizeof(struct page *), GFP_KERNEL); + kcalloc(vdso_pages + VVAR_NR_PAGES, sizeof(struct page *), GFP_KERNEL); if (unlikely(vdso_pagelist == NULL)) { pr_err("vdso: pagelist allocation failed\n"); return -ENOMEM; @@ -63,38 +73,41 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, unsigned long vdso_base, vdso_len; int ret; - vdso_len = (vdso_pages + 1) << PAGE_SHIFT; + BUILD_BUG_ON(VVAR_NR_PAGES != __VVAR_PAGES); + + vdso_len = (vdso_pages + VVAR_NR_PAGES) << PAGE_SHIFT; + + if (mmap_write_lock_killable(mm)) + return -EINTR; - mmap_write_lock(mm); vdso_base = get_unmapped_area(NULL, 0, vdso_len, 0, 0); if (IS_ERR_VALUE(vdso_base)) { ret = vdso_base; goto end; } - /* - * Put vDSO base into mm struct. We need to do this before calling - * install_special_mapping or the perf counter mmap tracking code - * will fail to recognise it as a vDSO (since arch_vma_name fails). - */ - mm->context.vdso = (void *)vdso_base; + mm->context.vdso = NULL; + ret = install_special_mapping(mm, vdso_base, VVAR_SIZE, + (VM_READ | VM_MAYREAD), &vdso_pagelist[vdso_pages]); + if (unlikely(ret)) + goto end; ret = - install_special_mapping(mm, vdso_base, vdso_pages << PAGE_SHIFT, + install_special_mapping(mm, vdso_base + VVAR_SIZE, + vdso_pages << PAGE_SHIFT, (VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC), vdso_pagelist); - if (unlikely(ret)) { - mm->context.vdso = NULL; + if (unlikely(ret)) goto end; - } - vdso_base += (vdso_pages << PAGE_SHIFT); - ret = install_special_mapping(mm, vdso_base, PAGE_SIZE, - (VM_READ | VM_MAYREAD), &vdso_pagelist[vdso_pages]); + /* + * Put vDSO base into mm struct. We need to do this before calling + * install_special_mapping or the perf counter mmap tracking code + * will fail to recognise it as a vDSO (since arch_vma_name fails). + */ + mm->context.vdso = (void *)vdso_base + VVAR_SIZE; - if (unlikely(ret)) - mm->context.vdso = NULL; end: mmap_write_unlock(mm); return ret; @@ -105,7 +118,7 @@ const char *arch_vma_name(struct vm_area_struct *vma) if (vma->vm_mm && (vma->vm_start == (long)vma->vm_mm->context.vdso)) return "[vdso]"; if (vma->vm_mm && (vma->vm_start == - (long)vma->vm_mm->context.vdso + PAGE_SIZE)) + (long)vma->vm_mm->context.vdso - VVAR_SIZE)) return "[vdso_data]"; return NULL; } diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S index e6f558bca71b..e9111f700af0 100644 --- a/arch/riscv/kernel/vdso/vdso.lds.S +++ b/arch/riscv/kernel/vdso/vdso.lds.S @@ -3,12 +3,13 @@ * Copyright (C) 2012 Regents of the University of California */ #include <asm/page.h> +#include <asm/vdso.h> OUTPUT_ARCH(riscv) SECTIONS { - PROVIDE(_vdso_data = . + PAGE_SIZE); + PROVIDE(_vdso_data = . - __VVAR_PAGES * PAGE_SIZE); . = SIZEOF_HEADERS; .hash : { *(.hash) } :text diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c index 094118663285..89f81067e09e 100644 --- a/arch/riscv/mm/cacheflush.c +++ b/arch/riscv/mm/cacheflush.c @@ -16,6 +16,8 @@ static void ipi_remote_fence_i(void *info) void flush_icache_all(void) { + local_flush_icache_all(); + if (IS_ENABLED(CONFIG_RISCV_SBI)) sbi_remote_fence_i(NULL); else diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2bd90c51efd3..b86de61b8caa 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -685,16 +685,6 @@ config STACK_GUARD The minimum size for the stack guard should be 256 for 31 bit and 512 for 64 bit. -config WARN_DYNAMIC_STACK - def_bool n - prompt "Emit compiler warnings for function with dynamic stack usage" - help - This option enables the compiler option -mwarn-dynamicstack. If the - compiler supports this options generates warnings for functions - that dynamically allocate stack space using alloca. - - Say N if you are unsure. - endmenu menu "I/O subsystem" diff --git a/arch/s390/Makefile b/arch/s390/Makefile index a3cf33ad009f..450b351dfa8e 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -85,13 +85,6 @@ cflags-$(CONFIG_CHECK_STACK) += -mstack-guard=$(CONFIG_STACK_GUARD) endif endif -ifdef CONFIG_WARN_DYNAMIC_STACK - ifneq ($(call cc-option,-mwarn-dynamicstack),) - KBUILD_CFLAGS += -mwarn-dynamicstack - KBUILD_CFLAGS_DECOMPRESSOR += -mwarn-dynamicstack - endif -endif - ifdef CONFIG_EXPOLINE ifneq ($(call cc-option,$(CC_FLAGS_MARCH) -mindirect-branch=thunk),) CC_FLAGS_EXPOLINE := -mindirect-branch=thunk diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 37b6115ed80e..6aad18ee131d 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -10,6 +10,7 @@ CONFIG_BPF_JIT=y CONFIG_BPF_JIT_ALWAYS_ON=y CONFIG_BPF_LSM=y CONFIG_PREEMPT=y +CONFIG_SCHED_CORE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -503,6 +504,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MICROSOFT is not set +# CONFIG_NET_VENDOR_LITEX is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -661,7 +663,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y CONFIG_CIFS_POSIX=y @@ -720,6 +721,8 @@ CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m CONFIG_CRYPTO_BLAKE2S=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m @@ -774,7 +777,6 @@ CONFIG_RANDOM32_SELFTEST=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_DMA_API_DEBUG=y -CONFIG_STRING_SELFTEST=y CONFIG_PRINTK_TIME=y CONFIG_DYNAMIC_DEBUG=y CONFIG_DEBUG_INFO=y @@ -853,12 +855,12 @@ CONFIG_FAIL_FUNCTION=y CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y CONFIG_LKDTM=m CONFIG_TEST_MIN_HEAP=y -CONFIG_TEST_SORT=y CONFIG_KPROBES_SANITY_TEST=y CONFIG_RBTREE_TEST=y CONFIG_INTERVAL_TREE_TEST=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y +CONFIG_STRING_SELFTEST=y CONFIG_TEST_BITOPS=m CONFIG_TEST_BPF=m CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 56a1cc85c5d7..f08b161c9446 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -8,6 +8,7 @@ CONFIG_BPF_SYSCALL=y CONFIG_BPF_JIT=y CONFIG_BPF_JIT_ALWAYS_ON=y CONFIG_BPF_LSM=y +CONFIG_SCHED_CORE=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_TASKSTATS=y @@ -494,6 +495,7 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_HUAWEI is not set # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MICROSOFT is not set +# CONFIG_NET_VENDOR_LITEX is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m CONFIG_MLX5_CORE=m @@ -648,7 +650,6 @@ CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y CONFIG_NFSD_V4_SECURITY_LABEL=y CONFIG_CIFS=m -CONFIG_CIFS_WEAK_PW_HASH=y CONFIG_CIFS_UPCALL=y CONFIG_CIFS_XATTR=y CONFIG_CIFS_POSIX=y @@ -708,6 +709,8 @@ CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m CONFIG_CRYPTO_BLAKE2S=m +CONFIG_CRYPTO_MD4=m +CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_SHA3=m diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h index 36dbf5043fc0..aa995d91cd1d 100644 --- a/arch/s390/include/asm/ccwgroup.h +++ b/arch/s390/include/asm/ccwgroup.h @@ -55,7 +55,7 @@ int ccwgroup_create_dev(struct device *root, struct ccwgroup_driver *gdrv, int num_devices, const char *buf); extern int ccwgroup_set_online(struct ccwgroup_device *gdev); -extern int ccwgroup_set_offline(struct ccwgroup_device *gdev); +int ccwgroup_set_offline(struct ccwgroup_device *gdev, bool call_gdrv); extern int ccwgroup_probe_ccwdev(struct ccw_device *cdev); extern void ccwgroup_remove_ccwdev(struct ccw_device *cdev); diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index e4803ec51110..6b3c366af78e 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -207,6 +207,8 @@ int zpci_enable_device(struct zpci_dev *); int zpci_disable_device(struct zpci_dev *); int zpci_scan_configured_device(struct zpci_dev *zdev, u32 fh); int zpci_deconfigure_device(struct zpci_dev *zdev); +void zpci_device_reserved(struct zpci_dev *zdev); +bool zpci_is_device_configured(struct zpci_dev *zdev); int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64); int zpci_unregister_ioat(struct zpci_dev *, u8); diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 16256e17a544..10722455fd02 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -419,13 +419,13 @@ static unsigned long deliverable_irqs(struct kvm_vcpu *vcpu) static void __set_cpu_idle(struct kvm_vcpu *vcpu) { kvm_s390_set_cpuflags(vcpu, CPUSTAT_WAIT); - set_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask); + set_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); } static void __unset_cpu_idle(struct kvm_vcpu *vcpu) { kvm_s390_clear_cpuflags(vcpu, CPUSTAT_WAIT); - clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask); + clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); } static void __reset_intercept_indicators(struct kvm_vcpu *vcpu) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 752a0ffab9bf..6a6dd5e1daf6 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4066,7 +4066,7 @@ static int vcpu_pre_run(struct kvm_vcpu *vcpu) kvm_s390_patch_guest_per_regs(vcpu); } - clear_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.gisa_int.kicked_mask); + clear_bit(vcpu->vcpu_idx, vcpu->kvm->arch.gisa_int.kicked_mask); vcpu->arch.sie_block->icptcode = 0; cpuflags = atomic_read(&vcpu->arch.sie_block->cpuflags); diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index ecd741ee3276..52bc8fbaa60a 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -79,7 +79,7 @@ static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu) static inline int is_vcpu_idle(struct kvm_vcpu *vcpu) { - return test_bit(kvm_vcpu_get_idx(vcpu), vcpu->kvm->arch.idle_mask); + return test_bit(vcpu->vcpu_idx, vcpu->kvm->arch.idle_mask); } static inline int kvm_is_ucontrol(struct kvm *kvm) diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index 88419263a89a..1a374d021e25 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -248,8 +248,7 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) #define EMIT6_PCREL(op1, op2, b1, b2, i, off, mask) \ ({ \ - /* Branch instruction needs 6 bytes */ \ - int rel = (addrs[(i) + (off) + 1] - (addrs[(i) + 1] - 6)) / 2;\ + int rel = (addrs[(i) + (off) + 1] - jit->prg) / 2; \ _EMIT6((op1) | reg(b1, b2) << 16 | (rel & 0xffff), (op2) | (mask));\ REG_SET_SEEN(b1); \ REG_SET_SEEN(b2); \ @@ -761,10 +760,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT4(0xb9080000, dst_reg, src_reg); break; case BPF_ALU | BPF_ADD | BPF_K: /* dst = (u32) dst + (u32) imm */ - if (!imm) - break; - /* alfi %dst,imm */ - EMIT6_IMM(0xc20b0000, dst_reg, imm); + if (imm != 0) { + /* alfi %dst,imm */ + EMIT6_IMM(0xc20b0000, dst_reg, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_ADD | BPF_K: /* dst = dst + imm */ @@ -786,17 +785,22 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT4(0xb9090000, dst_reg, src_reg); break; case BPF_ALU | BPF_SUB | BPF_K: /* dst = (u32) dst - (u32) imm */ - if (!imm) - break; - /* alfi %dst,-imm */ - EMIT6_IMM(0xc20b0000, dst_reg, -imm); + if (imm != 0) { + /* alfi %dst,-imm */ + EMIT6_IMM(0xc20b0000, dst_reg, -imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_SUB | BPF_K: /* dst = dst - imm */ if (!imm) break; - /* agfi %dst,-imm */ - EMIT6_IMM(0xc2080000, dst_reg, -imm); + if (imm == -0x80000000) { + /* algfi %dst,0x80000000 */ + EMIT6_IMM(0xc20a0000, dst_reg, 0x80000000); + } else { + /* agfi %dst,-imm */ + EMIT6_IMM(0xc2080000, dst_reg, -imm); + } break; /* * BPF_MUL @@ -811,10 +815,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT4(0xb90c0000, dst_reg, src_reg); break; case BPF_ALU | BPF_MUL | BPF_K: /* dst = (u32) dst * (u32) imm */ - if (imm == 1) - break; - /* msfi %r5,imm */ - EMIT6_IMM(0xc2010000, dst_reg, imm); + if (imm != 1) { + /* msfi %r5,imm */ + EMIT6_IMM(0xc2010000, dst_reg, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_MUL | BPF_K: /* dst = dst * imm */ @@ -867,6 +871,8 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, if (BPF_OP(insn->code) == BPF_MOD) /* lhgi %dst,0 */ EMIT4_IMM(0xa7090000, dst_reg, 0); + else + EMIT_ZERO(dst_reg); break; } /* lhi %w0,0 */ @@ -999,10 +1005,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT4(0xb9820000, dst_reg, src_reg); break; case BPF_ALU | BPF_XOR | BPF_K: /* dst = (u32) dst ^ (u32) imm */ - if (!imm) - break; - /* xilf %dst,imm */ - EMIT6_IMM(0xc0070000, dst_reg, imm); + if (imm != 0) { + /* xilf %dst,imm */ + EMIT6_IMM(0xc0070000, dst_reg, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_XOR | BPF_K: /* dst = dst ^ imm */ @@ -1033,10 +1039,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT6_DISP_LH(0xeb000000, 0x000d, dst_reg, dst_reg, src_reg, 0); break; case BPF_ALU | BPF_LSH | BPF_K: /* dst = (u32) dst << (u32) imm */ - if (imm == 0) - break; - /* sll %dst,imm(%r0) */ - EMIT4_DISP(0x89000000, dst_reg, REG_0, imm); + if (imm != 0) { + /* sll %dst,imm(%r0) */ + EMIT4_DISP(0x89000000, dst_reg, REG_0, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_LSH | BPF_K: /* dst = dst << imm */ @@ -1058,10 +1064,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT6_DISP_LH(0xeb000000, 0x000c, dst_reg, dst_reg, src_reg, 0); break; case BPF_ALU | BPF_RSH | BPF_K: /* dst = (u32) dst >> (u32) imm */ - if (imm == 0) - break; - /* srl %dst,imm(%r0) */ - EMIT4_DISP(0x88000000, dst_reg, REG_0, imm); + if (imm != 0) { + /* srl %dst,imm(%r0) */ + EMIT4_DISP(0x88000000, dst_reg, REG_0, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_RSH | BPF_K: /* dst = dst >> imm */ @@ -1083,10 +1089,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, EMIT6_DISP_LH(0xeb000000, 0x000a, dst_reg, dst_reg, src_reg, 0); break; case BPF_ALU | BPF_ARSH | BPF_K: /* ((s32) dst >> imm */ - if (imm == 0) - break; - /* sra %dst,imm(%r0) */ - EMIT4_DISP(0x8a000000, dst_reg, REG_0, imm); + if (imm != 0) { + /* sra %dst,imm(%r0) */ + EMIT4_DISP(0x8a000000, dst_reg, REG_0, imm); + } EMIT_ZERO(dst_reg); break; case BPF_ALU64 | BPF_ARSH | BPF_K: /* ((s64) dst) >>= imm */ @@ -1820,7 +1826,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) jit.addrs = kvcalloc(fp->len + 1, sizeof(*jit.addrs), GFP_KERNEL); if (jit.addrs == NULL) { fp = orig_fp; - goto out; + goto free_addrs; } /* * Three initial passes: diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index e7e6788d75a8..b833155ce838 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -92,7 +92,7 @@ void zpci_remove_reserved_devices(void) spin_unlock(&zpci_list_lock); list_for_each_entry_safe(zdev, tmp, &remove, entry) - zpci_zdev_put(zdev); + zpci_device_reserved(zdev); } int pci_domain_nr(struct pci_bus *bus) @@ -751,6 +751,14 @@ error: return ERR_PTR(rc); } +bool zpci_is_device_configured(struct zpci_dev *zdev) +{ + enum zpci_state state = zdev->state; + + return state != ZPCI_FN_STATE_RESERVED && + state != ZPCI_FN_STATE_STANDBY; +} + /** * zpci_scan_configured_device() - Scan a freshly configured zpci_dev * @zdev: The zpci_dev to be configured @@ -822,6 +830,31 @@ int zpci_deconfigure_device(struct zpci_dev *zdev) return 0; } +/** + * zpci_device_reserved() - Mark device as resverved + * @zdev: the zpci_dev that was reserved + * + * Handle the case that a given zPCI function was reserved by another system. + * After a call to this function the zpci_dev can not be found via + * get_zdev_by_fid() anymore but may still be accessible via existing + * references though it will not be functional anymore. + */ +void zpci_device_reserved(struct zpci_dev *zdev) +{ + if (zdev->has_hp_slot) + zpci_exit_slot(zdev); + /* + * Remove device from zpci_list as it is going away. This also + * makes sure we ignore subsequent zPCI events for this device. + */ + spin_lock(&zpci_list_lock); + list_del(&zdev->entry); + spin_unlock(&zpci_list_lock); + zdev->state = ZPCI_FN_STATE_RESERVED; + zpci_dbg(3, "rsv fid:%x\n", zdev->fid); + zpci_zdev_put(zdev); +} + void zpci_release_device(struct kref *kref) { struct zpci_dev *zdev = container_of(kref, struct zpci_dev, kref); @@ -843,6 +876,12 @@ void zpci_release_device(struct kref *kref) case ZPCI_FN_STATE_STANDBY: if (zdev->has_hp_slot) zpci_exit_slot(zdev); + spin_lock(&zpci_list_lock); + list_del(&zdev->entry); + spin_unlock(&zpci_list_lock); + zpci_dbg(3, "rsv fid:%x\n", zdev->fid); + fallthrough; + case ZPCI_FN_STATE_RESERVED: if (zdev->has_resources) zpci_cleanup_bus_resources(zdev); zpci_bus_device_unregister(zdev); @@ -851,10 +890,6 @@ void zpci_release_device(struct kref *kref) default: break; } - - spin_lock(&zpci_list_lock); - list_del(&zdev->entry); - spin_unlock(&zpci_list_lock); zpci_dbg(3, "rem fid:%x\n", zdev->fid); kfree(zdev); } diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index c856f80cb21b..5b8d647523f9 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -140,7 +140,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) /* The 0x0304 event may immediately reserve the device */ if (!clp_get_state(zdev->fid, &state) && state == ZPCI_FN_STATE_RESERVED) { - zpci_zdev_put(zdev); + zpci_device_reserved(zdev); } } break; @@ -151,7 +151,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) case 0x0308: /* Standby -> Reserved */ if (!zdev) break; - zpci_zdev_put(zdev); + zpci_device_reserved(zdev); break; default: break; diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c index ae683aa623ac..c5b35ea129cf 100644 --- a/arch/s390/pci/pci_mmio.c +++ b/arch/s390/pci/pci_mmio.c @@ -159,7 +159,7 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr, mmap_read_lock(current->mm); ret = -EINVAL; - vma = find_vma(current->mm, mmio_addr); + vma = vma_lookup(current->mm, mmio_addr); if (!vma) goto out_unlock_mmap; if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) @@ -298,7 +298,7 @@ SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr, mmap_read_lock(current->mm); ret = -EINVAL; - vma = find_vma(current->mm, mmio_addr); + vma = vma_lookup(current->mm, mmio_addr); if (!vma) goto out_unlock_mmap; if (!(vma->vm_flags & (VM_IO | VM_PFNMAP))) diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile index 58592dfa5cb6..c081e7e2d6e7 100644 --- a/arch/sh/boot/Makefile +++ b/arch/sh/boot/Makefile @@ -80,30 +80,30 @@ $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE $(call if_changed,lzo) -$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 +$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2 FORCE $(call if_changed,uimage,bzip2) -$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz +$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz FORCE $(call if_changed,uimage,gzip) -$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma +$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma FORCE $(call if_changed,uimage,lzma) -$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz +$(obj)/uImage.xz: $(obj)/vmlinux.bin.xz FORCE $(call if_changed,uimage,xz) -$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo +$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo FORCE $(call if_changed,uimage,lzo) -$(obj)/uImage.bin: $(obj)/vmlinux.bin +$(obj)/uImage.bin: $(obj)/vmlinux.bin FORCE $(call if_changed,uimage,none) OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec -$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux +$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux FORCE $(call if_changed,objcopy) OBJCOPYFLAGS_uImage.srec := -I binary -O srec -$(obj)/uImage.srec: $(obj)/uImage +$(obj)/uImage.srec: $(obj)/uImage FORCE $(call if_changed,objcopy) $(obj)/uImage: $(obj)/uImage.$(suffix-y) diff --git a/arch/sh/include/asm/pgtable-3level.h b/arch/sh/include/asm/pgtable-3level.h index 56bf35c2f29c..cdced80a7ffa 100644 --- a/arch/sh/include/asm/pgtable-3level.h +++ b/arch/sh/include/asm/pgtable-3level.h @@ -34,7 +34,7 @@ typedef struct { unsigned long long pmd; } pmd_t; static inline pmd_t *pud_pgtable(pud_t pud) { - return (pmd_t *)pud_val(pud); + return (pmd_t *)(unsigned long)pud_val(pud); } /* only used by the stubbed out hugetlb gup code, should never be called */ diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 8e1d72a16759..7ceae24b0ca9 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -356,7 +356,9 @@ err_nomem: void arch_dma_free(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs) { - if (!sparc_dma_free_resource(cpu_addr, PAGE_ALIGN(size))) + size = PAGE_ALIGN(size); + + if (!sparc_dma_free_resource(cpu_addr, size)) return; dma_make_coherent(dma_addr, size); diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 8e645ddac58e..30f171b7b00c 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -39,6 +39,7 @@ struct mdesc_hdr { u32 node_sz; /* node block size */ u32 name_sz; /* name block size */ u32 data_sz; /* data block size */ + char data[]; } __attribute__((aligned(16))); struct mdesc_elem { @@ -612,7 +613,7 @@ EXPORT_SYMBOL(mdesc_get_node_info); static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc) { - return (struct mdesc_elem *) (mdesc + 1); + return (struct mdesc_elem *) mdesc->data; } static void *name_block(struct mdesc_hdr *mdesc) diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c index c9da9f139694..f3a8cd491ce0 100644 --- a/arch/sparc/lib/iomap.c +++ b/arch/sparc/lib/iomap.c @@ -19,8 +19,10 @@ void ioport_unmap(void __iomem *addr) EXPORT_SYMBOL(ioport_map); EXPORT_SYMBOL(ioport_unmap); +#ifdef CONFIG_PCI void pci_iounmap(struct pci_dev *dev, void __iomem * addr) { /* nothing to do */ } EXPORT_SYMBOL(pci_iounmap); +#endif diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 4e001bbbb425..d9830e7e1060 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -339,6 +339,11 @@ config NEED_PER_CPU_PAGE_FIRST_CHUNK config ARCH_HIBERNATION_POSSIBLE def_bool y +config ARCH_NR_GPIO + int + default 1024 if X86_64 + default 512 + config ARCH_SUSPEND_POSSIBLE def_bool y @@ -1400,7 +1405,7 @@ config HIGHMEM4G config HIGHMEM64G bool "64GB" - depends on !M486SX && !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !WINCHIP3D && !MK6 + depends on !M486SX && !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !MWINCHIP3D && !MK6 select X86_PAE help Select this if you have a 32-bit processor and more than 4 @@ -1520,7 +1525,6 @@ config AMD_MEM_ENCRYPT config AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT bool "Activate AMD Secure Memory Encryption (SME) by default" - default y depends on AMD_MEM_ENCRYPT help Say yes to have system memory encrypted by default if running on @@ -2605,7 +2609,6 @@ config PCI_OLPC config PCI_XEN def_bool y depends on PCI && XEN - select SWIOTLB_XEN config MMCONF_FAM10H def_bool y @@ -2828,8 +2831,6 @@ config HAVE_ATOMIC_IOMAP def_bool y depends on X86_32 -source "drivers/firmware/Kconfig" - source "arch/x86/kvm/Kconfig" source "arch/x86/Kconfig.assembler" diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu index e7355f8b51c2..94834c4b5e5e 100644 --- a/arch/x86/Makefile_32.cpu +++ b/arch/x86/Makefile_32.cpu @@ -4,6 +4,12 @@ tune = $(call cc-option,-mtune=$(1),$(2)) +ifdef CONFIG_CC_IS_CLANG +align := -falign-functions=0 $(call cc-option,-falign-jumps=0) $(call cc-option,-falign-loops=0) +else +align := -falign-functions=0 -falign-jumps=0 -falign-loops=0 +endif + cflags-$(CONFIG_M486SX) += -march=i486 cflags-$(CONFIG_M486) += -march=i486 cflags-$(CONFIG_M586) += -march=i586 @@ -19,11 +25,11 @@ cflags-$(CONFIG_MK6) += -march=k6 # They make zero difference whatsosever to performance at this time. cflags-$(CONFIG_MK7) += -march=athlon cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8,-march=athlon) -cflags-$(CONFIG_MCRUSOE) += -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 -cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) -falign-functions=0 -falign-jumps=0 -falign-loops=0 +cflags-$(CONFIG_MCRUSOE) += -march=i686 $(align) +cflags-$(CONFIG_MEFFICEON) += -march=i686 $(call tune,pentium3) $(align) cflags-$(CONFIG_MWINCHIPC6) += $(call cc-option,-march=winchip-c6,-march=i586) cflags-$(CONFIG_MWINCHIP3D) += $(call cc-option,-march=winchip2,-march=i586) -cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) -falign-functions=0 -falign-jumps=0 -falign-loops=0 +cflags-$(CONFIG_MCYRIXIII) += $(call cc-option,-march=c3,-march=i486) $(align) cflags-$(CONFIG_MVIAC3_2) += $(call cc-option,-march=c3-2,-march=i686) cflags-$(CONFIG_MVIAC7) += -march=i686 cflags-$(CONFIG_MCORE2) += -march=i686 $(call tune,core2) diff --git a/arch/x86/crypto/sm4-aesni-avx-asm_64.S b/arch/x86/crypto/sm4-aesni-avx-asm_64.S index fa2c3f50aecb..18d2f5199194 100644 --- a/arch/x86/crypto/sm4-aesni-avx-asm_64.S +++ b/arch/x86/crypto/sm4-aesni-avx-asm_64.S @@ -367,10 +367,11 @@ SYM_FUNC_START(sm4_aesni_avx_crypt8) * %rdx: src (1..8 blocks) * %rcx: num blocks (1..8) */ - FRAME_BEGIN - cmpq $5, %rcx; jb sm4_aesni_avx_crypt4; + + FRAME_BEGIN + vmovdqu (0 * 16)(%rdx), RA0; vmovdqu (1 * 16)(%rdx), RA1; vmovdqu (2 * 16)(%rdx), RA2; diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 2a57dbed4894..6dfa8ddaa60f 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2465,6 +2465,7 @@ static int x86_pmu_event_init(struct perf_event *event) if (err) { if (event->destroy) event->destroy(event); + event->destroy = NULL; } if (READ_ONCE(x86_pmu.attr_rdpmc) && diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 7011e87be6d0..9a044438072b 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -263,6 +263,7 @@ static struct event_constraint intel_icl_event_constraints[] = { INTEL_EVENT_CONSTRAINT_RANGE(0xa8, 0xb0, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xb7, 0xbd, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xd0, 0xe6, 0xf), + INTEL_EVENT_CONSTRAINT(0xef, 0xf), INTEL_EVENT_CONSTRAINT_RANGE(0xf0, 0xf4, 0xf), EVENT_CONSTRAINT_END }; diff --git a/arch/x86/hyperv/hv_apic.c b/arch/x86/hyperv/hv_apic.c index 90e682a92820..db2d92fb44da 100644 --- a/arch/x86/hyperv/hv_apic.c +++ b/arch/x86/hyperv/hv_apic.c @@ -99,7 +99,8 @@ static void hv_apic_eoi_write(u32 reg, u32 val) /* * IPI implementation on Hyper-V. */ -static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector) +static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector, + bool exclude_self) { struct hv_send_ipi_ex **arg; struct hv_send_ipi_ex *ipi_arg; @@ -121,14 +122,27 @@ static bool __send_ipi_mask_ex(const struct cpumask *mask, int vector) ipi_arg->reserved = 0; ipi_arg->vp_set.valid_bank_mask = 0; - if (!cpumask_equal(mask, cpu_present_mask)) { + /* + * Use HV_GENERIC_SET_ALL and avoid converting cpumask to VP_SET + * when the IPI is sent to all currently present CPUs. + */ + if (!cpumask_equal(mask, cpu_present_mask) || exclude_self) { ipi_arg->vp_set.format = HV_GENERIC_SET_SPARSE_4K; - nr_bank = cpumask_to_vpset(&(ipi_arg->vp_set), mask); - } - if (nr_bank < 0) - goto ipi_mask_ex_done; - if (!nr_bank) + if (exclude_self) + nr_bank = cpumask_to_vpset_noself(&(ipi_arg->vp_set), mask); + else + nr_bank = cpumask_to_vpset(&(ipi_arg->vp_set), mask); + + /* + * 'nr_bank <= 0' means some CPUs in cpumask can't be + * represented in VP_SET. Return an error and fall back to + * native (architectural) method of sending IPIs. + */ + if (nr_bank <= 0) + goto ipi_mask_ex_done; + } else { ipi_arg->vp_set.format = HV_GENERIC_SET_ALL; + } status = hv_do_rep_hypercall(HVCALL_SEND_IPI_EX, 0, nr_bank, ipi_arg, NULL); @@ -138,15 +152,25 @@ ipi_mask_ex_done: return hv_result_success(status); } -static bool __send_ipi_mask(const struct cpumask *mask, int vector) +static bool __send_ipi_mask(const struct cpumask *mask, int vector, + bool exclude_self) { - int cur_cpu, vcpu; + int cur_cpu, vcpu, this_cpu = smp_processor_id(); struct hv_send_ipi ipi_arg; u64 status; + unsigned int weight; trace_hyperv_send_ipi_mask(mask, vector); - if (cpumask_empty(mask)) + weight = cpumask_weight(mask); + + /* + * Do nothing if + * 1. the mask is empty + * 2. the mask only contains self when exclude_self is true + */ + if (weight == 0 || + (exclude_self && weight == 1 && cpumask_test_cpu(this_cpu, mask))) return true; if (!hv_hypercall_pg) @@ -172,6 +196,8 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector) ipi_arg.cpu_mask = 0; for_each_cpu(cur_cpu, mask) { + if (exclude_self && cur_cpu == this_cpu) + continue; vcpu = hv_cpu_number_to_vp_number(cur_cpu); if (vcpu == VP_INVAL) return false; @@ -191,7 +217,7 @@ static bool __send_ipi_mask(const struct cpumask *mask, int vector) return hv_result_success(status); do_ex_hypercall: - return __send_ipi_mask_ex(mask, vector); + return __send_ipi_mask_ex(mask, vector, exclude_self); } static bool __send_ipi_one(int cpu, int vector) @@ -208,7 +234,7 @@ static bool __send_ipi_one(int cpu, int vector) return false; if (vp >= 64) - return __send_ipi_mask_ex(cpumask_of(cpu), vector); + return __send_ipi_mask_ex(cpumask_of(cpu), vector, false); status = hv_do_fast_hypercall16(HVCALL_SEND_IPI, vector, BIT_ULL(vp)); return hv_result_success(status); @@ -222,20 +248,13 @@ static void hv_send_ipi(int cpu, int vector) static void hv_send_ipi_mask(const struct cpumask *mask, int vector) { - if (!__send_ipi_mask(mask, vector)) + if (!__send_ipi_mask(mask, vector, false)) orig_apic.send_IPI_mask(mask, vector); } static void hv_send_ipi_mask_allbutself(const struct cpumask *mask, int vector) { - unsigned int this_cpu = smp_processor_id(); - struct cpumask new_mask; - const struct cpumask *local_mask; - - cpumask_copy(&new_mask, mask); - cpumask_clear_cpu(this_cpu, &new_mask); - local_mask = &new_mask; - if (!__send_ipi_mask(local_mask, vector)) + if (!__send_ipi_mask(mask, vector, true)) orig_apic.send_IPI_mask_allbutself(mask, vector); } @@ -246,7 +265,7 @@ static void hv_send_ipi_allbutself(int vector) static void hv_send_ipi_all(int vector) { - if (!__send_ipi_mask(cpu_online_mask, vector)) + if (!__send_ipi_mask(cpu_online_mask, vector, false)) orig_apic.send_IPI_all(vector); } diff --git a/arch/x86/include/asm/entry-common.h b/arch/x86/include/asm/entry-common.h index 14ebd2196569..43184640b579 100644 --- a/arch/x86/include/asm/entry-common.h +++ b/arch/x86/include/asm/entry-common.h @@ -25,7 +25,7 @@ static __always_inline void arch_check_user_regs(struct pt_regs *regs) * For !SMAP hardware we patch out CLAC on entry. */ if (boot_cpu_has(X86_FEATURE_SMAP) || - (IS_ENABLED(CONFIG_64_BIT) && boot_cpu_has(X86_FEATURE_XENPV))) + (IS_ENABLED(CONFIG_64BIT) && boot_cpu_has(X86_FEATURE_XENPV))) mask |= X86_EFLAGS_AC; WARN_ON_ONCE(flags & mask); diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h index 87bd6025d91d..6a5f3acf2b33 100644 --- a/arch/x86/include/asm/kvm_page_track.h +++ b/arch/x86/include/asm/kvm_page_track.h @@ -46,7 +46,7 @@ struct kvm_page_track_notifier_node { struct kvm_page_track_notifier_node *node); }; -void kvm_page_track_init(struct kvm *kvm); +int kvm_page_track_init(struct kvm *kvm); void kvm_page_track_cleanup(struct kvm *kvm); void kvm_page_track_free_memslot(struct kvm_memory_slot *slot); diff --git a/arch/x86/include/asm/kvmclock.h b/arch/x86/include/asm/kvmclock.h index eceea9299097..6c5765192102 100644 --- a/arch/x86/include/asm/kvmclock.h +++ b/arch/x86/include/asm/kvmclock.h @@ -2,6 +2,20 @@ #ifndef _ASM_X86_KVM_CLOCK_H #define _ASM_X86_KVM_CLOCK_H +#include <linux/percpu.h> + extern struct clocksource kvm_clock; +DECLARE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); + +static inline struct pvclock_vcpu_time_info *this_cpu_pvti(void) +{ + return &this_cpu_read(hv_clock_per_cpu)->pvti; +} + +static inline struct pvclock_vsyscall_time_info *this_cpu_hvclock(void) +{ + return this_cpu_read(hv_clock_per_cpu); +} + #endif /* _ASM_X86_KVM_CLOCK_H */ diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h index 5c7bcaa79623..1d5f14aff5f6 100644 --- a/arch/x86/include/asm/pkeys.h +++ b/arch/x86/include/asm/pkeys.h @@ -2,8 +2,6 @@ #ifndef _ASM_X86_PKEYS_H #define _ASM_X86_PKEYS_H -#define ARCH_DEFAULT_PKEY 0 - /* * If more than 16 keys are ever supported, a thorough audit * will be necessary to ensure that the types that store key diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h index f3fbb84ff8a7..68c257a3de0d 100644 --- a/arch/x86/include/asm/special_insns.h +++ b/arch/x86/include/asm/special_insns.h @@ -275,7 +275,7 @@ static inline int enqcmds(void __iomem *dst, const void *src) { const struct { char _[64]; } *__src = src; struct { char _[64]; } __iomem *__dst = dst; - int zf; + bool zf; /* * ENQCMDS %(rdx), rax diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index c9fa7be3df82..5c95d242f38d 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -301,8 +301,8 @@ do { \ unsigned int __gu_low, __gu_high; \ const unsigned int __user *__gu_ptr; \ __gu_ptr = (const void __user *)(ptr); \ - __get_user_asm(__gu_low, ptr, "l", "=r", label); \ - __get_user_asm(__gu_high, ptr+1, "l", "=r", label); \ + __get_user_asm(__gu_low, __gu_ptr, "l", "=r", label); \ + __get_user_asm(__gu_high, __gu_ptr+1, "l", "=r", label); \ (x) = ((unsigned long long)__gu_high << 32) | __gu_low; \ } while (0) #else diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h index 3506d8c598c1..4557f7cb0fa6 100644 --- a/arch/x86/include/asm/xen/pci.h +++ b/arch/x86/include/asm/xen/pci.h @@ -14,16 +14,19 @@ static inline int pci_xen_hvm_init(void) return -1; } #endif -#if defined(CONFIG_XEN_DOM0) +#ifdef CONFIG_XEN_PV_DOM0 int __init pci_xen_initial_domain(void); -int xen_find_device_domain_owner(struct pci_dev *dev); -int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain); -int xen_unregister_device_domain_owner(struct pci_dev *dev); #else static inline int __init pci_xen_initial_domain(void) { return -1; } +#endif +#ifdef CONFIG_XEN_DOM0 +int xen_find_device_domain_owner(struct pci_dev *dev); +int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain); +int xen_unregister_device_domain_owner(struct pci_dev *dev); +#else static inline int xen_find_device_domain_owner(struct pci_dev *dev) { return -1; diff --git a/arch/x86/include/asm/xen/swiotlb-xen.h b/arch/x86/include/asm/xen/swiotlb-xen.h index 6b56d0d45d15..66b4ddde7743 100644 --- a/arch/x86/include/asm/xen/swiotlb-xen.h +++ b/arch/x86/include/asm/xen/swiotlb-xen.h @@ -3,14 +3,10 @@ #define _ASM_X86_SWIOTLB_XEN_H #ifdef CONFIG_SWIOTLB_XEN -extern int xen_swiotlb; extern int __init pci_xen_swiotlb_detect(void); -extern void __init pci_xen_swiotlb_init(void); extern int pci_xen_swiotlb_init_late(void); #else -#define xen_swiotlb (0) -static inline int __init pci_xen_swiotlb_detect(void) { return 0; } -static inline void __init pci_xen_swiotlb_init(void) { } +#define pci_xen_swiotlb_detect NULL static inline int pci_xen_swiotlb_init_late(void) { return -ENXIO; } #endif diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 0f8885949e8c..b3410f1ac217 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -326,6 +326,7 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) #ifdef CONFIG_X86_SMAP cr4_set_bits(X86_CR4_SMAP); #else + clear_cpu_cap(c, X86_FEATURE_SMAP); cr4_clear_bits(X86_CR4_SMAP); #endif } diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index cd919fce3ca3..2af4b420172e 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -1235,6 +1235,9 @@ static void __mc_scan_banks(struct mce *m, struct pt_regs *regs, struct mce *fin static void kill_me_now(struct callback_head *ch) { + struct task_struct *p = container_of(ch, struct task_struct, mce_kill_me); + + p->mce_count = 0; force_sig(SIGBUS); } @@ -1244,6 +1247,7 @@ static void kill_me_maybe(struct callback_head *cb) int flags = MF_ACTION_REQUIRED; int ret; + p->mce_count = 0; pr_err("Uncorrected hardware memory error in user-access at %llx", p->mce_addr); if (!p->mce_ripv) @@ -1272,17 +1276,34 @@ static void kill_me_maybe(struct callback_head *cb) } } -static void queue_task_work(struct mce *m, int kill_current_task) +static void queue_task_work(struct mce *m, char *msg, int kill_current_task) { - current->mce_addr = m->addr; - current->mce_kflags = m->kflags; - current->mce_ripv = !!(m->mcgstatus & MCG_STATUS_RIPV); - current->mce_whole_page = whole_page(m); + int count = ++current->mce_count; - if (kill_current_task) - current->mce_kill_me.func = kill_me_now; - else - current->mce_kill_me.func = kill_me_maybe; + /* First call, save all the details */ + if (count == 1) { + current->mce_addr = m->addr; + current->mce_kflags = m->kflags; + current->mce_ripv = !!(m->mcgstatus & MCG_STATUS_RIPV); + current->mce_whole_page = whole_page(m); + + if (kill_current_task) + current->mce_kill_me.func = kill_me_now; + else + current->mce_kill_me.func = kill_me_maybe; + } + + /* Ten is likely overkill. Don't expect more than two faults before task_work() */ + if (count > 10) + mce_panic("Too many consecutive machine checks while accessing user data", m, msg); + + /* Second or later call, make sure page address matches the one from first call */ + if (count > 1 && (current->mce_addr >> PAGE_SHIFT) != (m->addr >> PAGE_SHIFT)) + mce_panic("Consecutive machine checks to different user pages", m, msg); + + /* Do not call task_work_add() more than once */ + if (count > 1) + return; task_work_add(current, ¤t->mce_kill_me, TWA_RESUME); } @@ -1420,7 +1441,7 @@ noinstr void do_machine_check(struct pt_regs *regs) /* If this triggers there is no way to recover. Die hard. */ BUG_ON(!on_thread_stack() || !user_mode(regs)); - queue_task_work(&m, kill_current_task); + queue_task_work(&m, msg, kill_current_task); } else { /* @@ -1438,7 +1459,7 @@ noinstr void do_machine_check(struct pt_regs *regs) } if (m.kflags & MCE_IN_KERNEL_COPYIN) - queue_task_work(&m, kill_current_task); + queue_task_work(&m, msg, kill_current_task); } out: mce_wrmsrl(MSR_IA32_MCG_STATUS, 0); diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 4b8813bafffd..bb1c3f5f60c8 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -527,12 +527,14 @@ static void domain_add_cpu(int cpu, struct rdt_resource *r) rdt_domain_reconfigure_cdp(r); if (r->alloc_capable && domain_setup_ctrlval(r, d)) { - kfree(d); + kfree(hw_dom); return; } if (r->mon_capable && domain_setup_mon_state(r, d)) { - kfree(d); + kfree(hw_dom->ctrl_val); + kfree(hw_dom->mbps_val); + kfree(hw_dom); return; } diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 38837dad46e6..391a4e2b8604 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -714,12 +714,6 @@ static struct chipset early_qrk[] __initdata = { */ { PCI_VENDOR_ID_INTEL, 0x0f00, PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, - { PCI_VENDOR_ID_INTEL, 0x3e20, - PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, - { PCI_VENDOR_ID_INTEL, 0x3ec4, - PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, - { PCI_VENDOR_ID_INTEL, 0x8a12, - PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, force_disable_hpet}, { PCI_VENDOR_ID_BROADCOM, 0x4331, PCI_CLASS_NETWORK_OTHER, PCI_ANY_ID, 0, apple_airport_reset}, {} diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index 39c7bae97daf..51c4915a35f0 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -384,9 +384,14 @@ static bool __fpu_restore_sig(void __user *buf, void __user *buf_fx, sizeof(fpu->state.fxsave))) return false; - /* Reject invalid MXCSR values. */ - if (fpu->state.fxsave.mxcsr & ~mxcsr_feature_mask) - return false; + if (IS_ENABLED(CONFIG_X86_64)) { + /* Reject invalid MXCSR values. */ + if (fpu->state.fxsave.mxcsr & ~mxcsr_feature_mask) + return false; + } else { + /* Mask invalid bits out for historical reasons (broken hardware). */ + fpu->state.fxsave.mxcsr &= mxcsr_feature_mask; + } /* Enforce XFEATURE_MASK_FPSSE when XSAVE is enabled */ if (use_xsave()) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 42fc41dd0e1f..882213df3713 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -10,6 +10,7 @@ #include <asm/irq_remapping.h> #include <asm/hpet.h> #include <asm/time.h> +#include <asm/mwait.h> #undef pr_fmt #define pr_fmt(fmt) "hpet: " fmt @@ -916,6 +917,83 @@ static bool __init hpet_counting(void) return false; } +static bool __init mwait_pc10_supported(void) +{ + unsigned int eax, ebx, ecx, mwait_substates; + + if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) + return false; + + if (!cpu_feature_enabled(X86_FEATURE_MWAIT)) + return false; + + if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) + return false; + + cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &mwait_substates); + + return (ecx & CPUID5_ECX_EXTENSIONS_SUPPORTED) && + (ecx & CPUID5_ECX_INTERRUPT_BREAK) && + (mwait_substates & (0xF << 28)); +} + +/* + * Check whether the system supports PC10. If so force disable HPET as that + * stops counting in PC10. This check is overbroad as it does not take any + * of the following into account: + * + * - ACPI tables + * - Enablement of intel_idle + * - Command line arguments which limit intel_idle C-state support + * + * That's perfectly fine. HPET is a piece of hardware designed by committee + * and the only reasons why it is still in use on modern systems is the + * fact that it is impossible to reliably query TSC and CPU frequency via + * CPUID or firmware. + * + * If HPET is functional it is useful for calibrating TSC, but this can be + * done via PMTIMER as well which seems to be the last remaining timer on + * X86/INTEL platforms that has not been completely wreckaged by feature + * creep. + * + * In theory HPET support should be removed altogether, but there are older + * systems out there which depend on it because TSC and APIC timer are + * dysfunctional in deeper C-states. + * + * It's only 20 years now that hardware people have been asked to provide + * reliable and discoverable facilities which can be used for timekeeping + * and per CPU timer interrupts. + * + * The probability that this problem is going to be solved in the + * forseeable future is close to zero, so the kernel has to be cluttered + * with heuristics to keep up with the ever growing amount of hardware and + * firmware trainwrecks. Hopefully some day hardware people will understand + * that the approach of "This can be fixed in software" is not sustainable. + * Hope dies last... + */ +static bool __init hpet_is_pc10_damaged(void) +{ + unsigned long long pcfg; + + /* Check whether PC10 substates are supported */ + if (!mwait_pc10_supported()) + return false; + + /* Check whether PC10 is enabled in PKG C-state limit */ + rdmsrl(MSR_PKG_CST_CONFIG_CONTROL, pcfg); + if ((pcfg & 0xF) < 8) + return false; + + if (hpet_force_user) { + pr_warn("HPET force enabled via command line, but dysfunctional in PC10.\n"); + return false; + } + + pr_info("HPET dysfunctional in PC10. Force disabled.\n"); + boot_hpet_disable = true; + return true; +} + /** * hpet_enable - Try to setup the HPET timer. Returns 1 on success. */ @@ -929,6 +1007,9 @@ int __init hpet_enable(void) if (!is_hpet_capable()) return 0; + if (hpet_is_pc10_damaged()) + return 0; + hpet_set_mapping(); if (!hpet_virt_address) return 0; diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index ad273e5861c1..73c74b961d0f 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -49,18 +49,9 @@ early_param("no-kvmclock-vsyscall", parse_no_kvmclock_vsyscall); static struct pvclock_vsyscall_time_info hv_clock_boot[HVC_BOOT_ARRAY_SIZE] __bss_decrypted __aligned(PAGE_SIZE); static struct pvclock_wall_clock wall_clock __bss_decrypted; -static DEFINE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); static struct pvclock_vsyscall_time_info *hvclock_mem; - -static inline struct pvclock_vcpu_time_info *this_cpu_pvti(void) -{ - return &this_cpu_read(hv_clock_per_cpu)->pvti; -} - -static inline struct pvclock_vsyscall_time_info *this_cpu_hvclock(void) -{ - return this_cpu_read(hv_clock_per_cpu); -} +DEFINE_PER_CPU(struct pvclock_vsyscall_time_info *, hv_clock_per_cpu); +EXPORT_PER_CPU_SYMBOL_GPL(hv_clock_per_cpu); /* * The wallclock is the time of day when we booted. Since then, some time may diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 79f164141116..40ed44ead063 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -830,6 +830,20 @@ void __init setup_arch(char **cmdline_p) x86_init.oem.arch_setup(); + /* + * Do some memory reservations *before* memory is added to memblock, so + * memblock allocations won't overwrite it. + * + * After this point, everything still needed from the boot loader or + * firmware or kernel text should be early reserved or marked not RAM in + * e820. All other memory is free game. + * + * This call needs to happen before e820__memory_setup() which calls the + * xen_memory_setup() on Xen dom0 which relies on the fact that those + * early reservations have happened already. + */ + early_reserve_memory(); + iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1; e820__memory_setup(); parse_setup_data(); @@ -876,18 +890,6 @@ void __init setup_arch(char **cmdline_p) parse_early_param(); - /* - * Do some memory reservations *before* memory is added to - * memblock, so memblock allocations won't overwrite it. - * Do it after early param, so we could get (unlikely) panic from - * serial. - * - * After this point everything still needed from the boot loader or - * firmware or kernel text should be early reserved or marked not - * RAM in e820. All other memory is free game. - */ - early_reserve_memory(); - #ifdef CONFIG_MEMORY_HOTPLUG /* * Memory used by the kernel cannot be hot-removed because Linux diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 78a32b956e81..5afd98559193 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -135,7 +135,7 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align) static void __init pcpu_fc_free(void *ptr, size_t size) { - memblock_free(__pa(ptr), size); + memblock_free_ptr(ptr, size); } static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c index 9f90f460a28c..bf1033a62e48 100644 --- a/arch/x86/kernel/sev-shared.c +++ b/arch/x86/kernel/sev-shared.c @@ -130,6 +130,8 @@ static enum es_result sev_es_ghcb_hv_call(struct ghcb *ghcb, } else { ret = ES_VMM_ERROR; } + } else if (ghcb->save.sw_exit_info_1 & 0xffffffff) { + ret = ES_VMM_ERROR; } else { ret = ES_OK; } diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index fe03bd978761..751aa85a3001 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -65,8 +65,8 @@ static inline struct kvm_cpuid_entry2 *cpuid_entry2_find( for (i = 0; i < nent; i++) { e = &entries[i]; - if (e->function == function && (e->index == index || - !(e->flags & KVM_CPUID_FLAG_SIGNIFCANT_INDEX))) + if (e->function == function && + (!(e->flags & KVM_CPUID_FLAG_SIGNIFCANT_INDEX) || e->index == index)) return e; } diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 2837110e66ed..9a144ca8e146 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -435,7 +435,6 @@ static int fastop(struct x86_emulate_ctxt *ctxt, fastop_t fop); __FOP_RET(#op) asm(".pushsection .fixup, \"ax\"\n" - ".global kvm_fastop_exception \n" "kvm_fastop_exception: xor %esi, %esi; ret\n" ".popsection"); @@ -4206,7 +4205,7 @@ static int check_rdtsc(struct x86_emulate_ctxt *ctxt) u64 cr4 = ctxt->ops->get_cr(ctxt, 4); if (cr4 & X86_CR4_TSD && ctxt->ops->cpl(ctxt)) - return emulate_ud(ctxt); + return emulate_gp(ctxt, 0); return X86EMUL_CONTINUE; } diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 232a86a6faaf..d5124b520f76 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -939,7 +939,7 @@ static int kvm_hv_vcpu_init(struct kvm_vcpu *vcpu) for (i = 0; i < ARRAY_SIZE(hv_vcpu->stimer); i++) stimer_init(&hv_vcpu->stimer[i], i); - hv_vcpu->vp_index = kvm_vcpu_get_idx(vcpu); + hv_vcpu->vp_index = vcpu->vcpu_idx; return 0; } @@ -1444,7 +1444,6 @@ static int kvm_hv_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host) switch (msr) { case HV_X64_MSR_VP_INDEX: { struct kvm_hv *hv = to_kvm_hv(vcpu->kvm); - int vcpu_idx = kvm_vcpu_get_idx(vcpu); u32 new_vp_index = (u32)data; if (!host || new_vp_index >= KVM_MAX_VCPUS) @@ -1459,9 +1458,9 @@ static int kvm_hv_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host) * VP index is changing, adjust num_mismatched_vp_indexes if * it now matches or no longer matches vcpu_idx. */ - if (hv_vcpu->vp_index == vcpu_idx) + if (hv_vcpu->vp_index == vcpu->vcpu_idx) atomic_inc(&hv->num_mismatched_vp_indexes); - else if (new_vp_index == vcpu_idx) + else if (new_vp_index == vcpu->vcpu_idx) atomic_dec(&hv->num_mismatched_vp_indexes); hv_vcpu->vp_index = new_vp_index; diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h index 730da8537d05..ed1c4e546d04 100644 --- a/arch/x86/kvm/hyperv.h +++ b/arch/x86/kvm/hyperv.h @@ -83,7 +83,7 @@ static inline u32 kvm_hv_get_vpindex(struct kvm_vcpu *vcpu) { struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); - return hv_vcpu ? hv_vcpu->vp_index : kvm_vcpu_get_idx(vcpu); + return hv_vcpu ? hv_vcpu->vp_index : vcpu->vcpu_idx; } int kvm_hv_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host); diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index ff005fe738a4..8c065da73f8e 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -319,8 +319,8 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) unsigned index; bool mask_before, mask_after; union kvm_ioapic_redirect_entry *e; - unsigned long vcpu_bitmap; int old_remote_irr, old_delivery_status, old_dest_id, old_dest_mode; + DECLARE_BITMAP(vcpu_bitmap, KVM_MAX_VCPUS); switch (ioapic->ioregsel) { case IOAPIC_REG_VERSION: @@ -384,9 +384,9 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) irq.shorthand = APIC_DEST_NOSHORT; irq.dest_id = e->fields.dest_id; irq.msi_redir_hint = false; - bitmap_zero(&vcpu_bitmap, 16); + bitmap_zero(vcpu_bitmap, KVM_MAX_VCPUS); kvm_bitmap_or_dest_vcpus(ioapic->kvm, &irq, - &vcpu_bitmap); + vcpu_bitmap); if (old_dest_mode != e->fields.dest_mode || old_dest_id != e->fields.dest_id) { /* @@ -399,10 +399,10 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val) kvm_lapic_irq_dest_mode( !!e->fields.dest_mode); kvm_bitmap_or_dest_vcpus(ioapic->kvm, &irq, - &vcpu_bitmap); + vcpu_bitmap); } kvm_make_scan_ioapic_request_mask(ioapic->kvm, - &vcpu_bitmap); + vcpu_bitmap); } else { kvm_make_scan_ioapic_request(ioapic->kvm); } diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 2d7e61122af8..1a64ba5b9437 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -2027,8 +2027,8 @@ static void mmu_pages_clear_parents(struct mmu_page_path *parents) } while (!sp->unsync_children); } -static void mmu_sync_children(struct kvm_vcpu *vcpu, - struct kvm_mmu_page *parent) +static int mmu_sync_children(struct kvm_vcpu *vcpu, + struct kvm_mmu_page *parent, bool can_yield) { int i; struct kvm_mmu_page *sp; @@ -2055,12 +2055,18 @@ static void mmu_sync_children(struct kvm_vcpu *vcpu, } if (need_resched() || rwlock_needbreak(&vcpu->kvm->mmu_lock)) { kvm_mmu_flush_or_zap(vcpu, &invalid_list, false, flush); + if (!can_yield) { + kvm_make_request(KVM_REQ_MMU_SYNC, vcpu); + return -EINTR; + } + cond_resched_rwlock_write(&vcpu->kvm->mmu_lock); flush = false; } } kvm_mmu_flush_or_zap(vcpu, &invalid_list, false, flush); + return 0; } static void __clear_sp_write_flooding_count(struct kvm_mmu_page *sp) @@ -2146,9 +2152,6 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu); } - if (sp->unsync_children) - kvm_make_request(KVM_REQ_MMU_SYNC, vcpu); - __clear_sp_write_flooding_count(sp); trace_get_page: @@ -3684,7 +3687,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) write_lock(&vcpu->kvm->mmu_lock); kvm_mmu_audit(vcpu, AUDIT_PRE_SYNC); - mmu_sync_children(vcpu, sp); + mmu_sync_children(vcpu, sp, true); kvm_mmu_audit(vcpu, AUDIT_POST_SYNC); write_unlock(&vcpu->kvm->mmu_lock); @@ -3700,7 +3703,7 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu) if (IS_VALID_PAE_ROOT(root)) { root &= PT64_BASE_ADDR_MASK; sp = to_shadow_page(root); - mmu_sync_children(vcpu, sp); + mmu_sync_children(vcpu, sp, true); } } diff --git a/arch/x86/kvm/mmu/page_track.c b/arch/x86/kvm/mmu/page_track.c index 269f11f92fd0..21427e84a82e 100644 --- a/arch/x86/kvm/mmu/page_track.c +++ b/arch/x86/kvm/mmu/page_track.c @@ -164,13 +164,13 @@ void kvm_page_track_cleanup(struct kvm *kvm) cleanup_srcu_struct(&head->track_srcu); } -void kvm_page_track_init(struct kvm *kvm) +int kvm_page_track_init(struct kvm *kvm) { struct kvm_page_track_notifier_head *head; head = &kvm->arch.track_notifier_head; - init_srcu_struct(&head->track_srcu); INIT_HLIST_HEAD(&head->track_notifier_list); + return init_srcu_struct(&head->track_srcu); } /* diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 7d03e9b7ccfa..913d52a7923e 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -707,8 +707,27 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gpa_t addr, if (!is_shadow_present_pte(*it.sptep)) { table_gfn = gw->table_gfn[it.level - 2]; access = gw->pt_access[it.level - 2]; - sp = kvm_mmu_get_page(vcpu, table_gfn, addr, it.level-1, - false, access); + sp = kvm_mmu_get_page(vcpu, table_gfn, addr, + it.level-1, false, access); + /* + * We must synchronize the pagetable before linking it + * because the guest doesn't need to flush tlb when + * the gpte is changed from non-present to present. + * Otherwise, the guest may use the wrong mapping. + * + * For PG_LEVEL_4K, kvm_mmu_get_page() has already + * synchronized it transiently via kvm_sync_page(). + * + * For higher level pagetable, we synchronize it via + * the slower mmu_sync_children(). If it needs to + * break, some progress has been made; return + * RET_PF_RETRY and retry on the next #PF. + * KVM_REQ_MMU_SYNC is not necessary but it + * expedites the process. + */ + if (sp->unsync_children && + mmu_sync_children(vcpu, sp, false)) + return RET_PF_RETRY; } /* @@ -1047,14 +1066,6 @@ static gpa_t FNAME(gva_to_gpa_nested)(struct kvm_vcpu *vcpu, gpa_t vaddr, * Using the cached information from sp->gfns is safe because: * - The spte has a reference to the struct page, so the pfn for a given gfn * can't change unless all sptes pointing to it are nuked first. - * - * Note: - * We should flush all tlbs if spte is dropped even though guest is - * responsible for it. Since if we don't, kvm_mmu_notifier_invalidate_page - * and kvm_mmu_notifier_invalidate_range_start detect the mapping page isn't - * used by guest then tlbs are not flushed, so guest is allowed to access the - * freed pages. - * And we increase kvm->tlbs_dirty to delay tlbs flush in this case. */ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) { @@ -1107,13 +1118,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) return 0; if (FNAME(prefetch_invalid_gpte)(vcpu, sp, &sp->spt[i], gpte)) { - /* - * Update spte before increasing tlbs_dirty to make - * sure no tlb flush is lost after spte is zapped; see - * the comments in kvm_flush_remote_tlbs(). - */ - smp_wmb(); - vcpu->kvm->tlbs_dirty++; + set_spte_ret |= SET_SPTE_NEED_REMOTE_TLB_FLUSH; continue; } @@ -1128,12 +1133,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp) if (gfn != sp->gfns[i]) { drop_spte(vcpu->kvm, &sp->spt[i]); - /* - * The same as above where we are doing - * prefetch_invalid_gpte(). - */ - smp_wmb(); - vcpu->kvm->tlbs_dirty++; + set_spte_ret |= SET_SPTE_NEED_REMOTE_TLB_FLUSH; continue; } diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 2545d0c61985..510b833cbd39 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -545,7 +545,6 @@ static void nested_vmcb02_prepare_control(struct vcpu_svm *svm) (svm->nested.ctl.int_ctl & int_ctl_vmcb12_bits) | (svm->vmcb01.ptr->control.int_ctl & int_ctl_vmcb01_bits); - svm->vmcb->control.virt_ext = svm->nested.ctl.virt_ext; svm->vmcb->control.int_vector = svm->nested.ctl.int_vector; svm->vmcb->control.int_state = svm->nested.ctl.int_state; svm->vmcb->control.event_inj = svm->nested.ctl.event_inj; @@ -579,7 +578,7 @@ static void nested_svm_copy_common_state(struct vmcb *from_vmcb, struct vmcb *to } int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa, - struct vmcb *vmcb12) + struct vmcb *vmcb12, bool from_vmrun) { struct vcpu_svm *svm = to_svm(vcpu); int ret; @@ -609,13 +608,16 @@ int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa, nested_vmcb02_prepare_save(svm, vmcb12); ret = nested_svm_load_cr3(&svm->vcpu, vmcb12->save.cr3, - nested_npt_enabled(svm), true); + nested_npt_enabled(svm), from_vmrun); if (ret) return ret; if (!npt_enabled) vcpu->arch.mmu->inject_page_fault = svm_inject_page_fault_nested; + if (!from_vmrun) + kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); + svm_set_gif(svm, true); return 0; @@ -681,7 +683,7 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu) svm->nested.nested_run_pending = 1; - if (enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12)) + if (enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, true)) goto out_exit_err; if (nested_svm_vmrun_msrpm(svm)) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 75e0b21ad07c..c36b5fe4c27c 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -595,43 +595,50 @@ static int sev_es_sync_vmsa(struct vcpu_svm *svm) return 0; } -static int sev_launch_update_vmsa(struct kvm *kvm, struct kvm_sev_cmd *argp) +static int __sev_launch_update_vmsa(struct kvm *kvm, struct kvm_vcpu *vcpu, + int *error) { - struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info; struct sev_data_launch_update_vmsa vmsa; + struct vcpu_svm *svm = to_svm(vcpu); + int ret; + + /* Perform some pre-encryption checks against the VMSA */ + ret = sev_es_sync_vmsa(svm); + if (ret) + return ret; + + /* + * The LAUNCH_UPDATE_VMSA command will perform in-place encryption of + * the VMSA memory content (i.e it will write the same memory region + * with the guest's key), so invalidate it first. + */ + clflush_cache_range(svm->vmsa, PAGE_SIZE); + + vmsa.reserved = 0; + vmsa.handle = to_kvm_svm(kvm)->sev_info.handle; + vmsa.address = __sme_pa(svm->vmsa); + vmsa.len = PAGE_SIZE; + return sev_issue_cmd(kvm, SEV_CMD_LAUNCH_UPDATE_VMSA, &vmsa, error); +} + +static int sev_launch_update_vmsa(struct kvm *kvm, struct kvm_sev_cmd *argp) +{ struct kvm_vcpu *vcpu; int i, ret; if (!sev_es_guest(kvm)) return -ENOTTY; - vmsa.reserved = 0; - kvm_for_each_vcpu(i, vcpu, kvm) { - struct vcpu_svm *svm = to_svm(vcpu); - - /* Perform some pre-encryption checks against the VMSA */ - ret = sev_es_sync_vmsa(svm); + ret = mutex_lock_killable(&vcpu->mutex); if (ret) return ret; - /* - * The LAUNCH_UPDATE_VMSA command will perform in-place - * encryption of the VMSA memory content (i.e it will write - * the same memory region with the guest's key), so invalidate - * it first. - */ - clflush_cache_range(svm->vmsa, PAGE_SIZE); + ret = __sev_launch_update_vmsa(kvm, vcpu, &argp->error); - vmsa.handle = sev->handle; - vmsa.address = __sme_pa(svm->vmsa); - vmsa.len = PAGE_SIZE; - ret = sev_issue_cmd(kvm, SEV_CMD_LAUNCH_UPDATE_VMSA, &vmsa, - &argp->error); + mutex_unlock(&vcpu->mutex); if (ret) return ret; - - svm->vcpu.arch.guest_state_protected = true; } return 0; @@ -1397,8 +1404,10 @@ static int sev_receive_start(struct kvm *kvm, struct kvm_sev_cmd *argp) /* Bind ASID to this guest */ ret = sev_bind_asid(kvm, start.handle, error); - if (ret) + if (ret) { + sev_decommission(start.handle); goto e_free_session; + } params.handle = start.handle; if (copy_to_user((void __user *)(uintptr_t)argp->data, @@ -1464,7 +1473,7 @@ static int sev_receive_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) /* Pin guest memory */ guest_page = sev_pin_memory(kvm, params.guest_uaddr & PAGE_MASK, - PAGE_SIZE, &n, 0); + PAGE_SIZE, &n, 1); if (IS_ERR(guest_page)) { ret = PTR_ERR(guest_page); goto e_free_trans; @@ -1501,6 +1510,20 @@ static int sev_receive_finish(struct kvm *kvm, struct kvm_sev_cmd *argp) return sev_issue_cmd(kvm, SEV_CMD_RECEIVE_FINISH, &data, &argp->error); } +static bool cmd_allowed_from_miror(u32 cmd_id) +{ + /* + * Allow mirrors VM to call KVM_SEV_LAUNCH_UPDATE_VMSA to enable SEV-ES + * active mirror VMs. Also allow the debugging and status commands. + */ + if (cmd_id == KVM_SEV_LAUNCH_UPDATE_VMSA || + cmd_id == KVM_SEV_GUEST_STATUS || cmd_id == KVM_SEV_DBG_DECRYPT || + cmd_id == KVM_SEV_DBG_ENCRYPT) + return true; + + return false; +} + int svm_mem_enc_op(struct kvm *kvm, void __user *argp) { struct kvm_sev_cmd sev_cmd; @@ -1517,8 +1540,9 @@ int svm_mem_enc_op(struct kvm *kvm, void __user *argp) mutex_lock(&kvm->lock); - /* enc_context_owner handles all memory enc operations */ - if (is_mirroring_enc_context(kvm)) { + /* Only the enc_context_owner handles some memory enc operations. */ + if (is_mirroring_enc_context(kvm) && + !cmd_allowed_from_miror(sev_cmd.id)) { r = -EINVAL; goto out; } @@ -1715,8 +1739,7 @@ int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd) { struct file *source_kvm_file; struct kvm *source_kvm; - struct kvm_sev_info *mirror_sev; - unsigned int asid; + struct kvm_sev_info source_sev, *mirror_sev; int ret; source_kvm_file = fget(source_fd); @@ -1739,7 +1762,8 @@ int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd) goto e_source_unlock; } - asid = to_kvm_svm(source_kvm)->sev_info.asid; + memcpy(&source_sev, &to_kvm_svm(source_kvm)->sev_info, + sizeof(source_sev)); /* * The mirror kvm holds an enc_context_owner ref so its asid can't @@ -1759,8 +1783,16 @@ int svm_vm_copy_asid_from(struct kvm *kvm, unsigned int source_fd) /* Set enc_context_owner and copy its encryption context over */ mirror_sev = &to_kvm_svm(kvm)->sev_info; mirror_sev->enc_context_owner = source_kvm; - mirror_sev->asid = asid; mirror_sev->active = true; + mirror_sev->asid = source_sev.asid; + mirror_sev->fd = source_sev.fd; + mirror_sev->es_active = source_sev.es_active; + mirror_sev->handle = source_sev.handle; + /* + * Do not copy ap_jump_table. Since the mirror does not share the same + * KVM contexts as the original, and they may have different + * memory-views. + */ mutex_unlock(&kvm->lock); return 0; diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 05e8d4d27969..989685098b3e 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1566,6 +1566,8 @@ static void svm_clear_vintr(struct vcpu_svm *svm) svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl & V_IRQ_INJECTION_BITS_MASK; + + svm->vmcb->control.int_vector = svm->nested.ctl.int_vector; } vmcb_mark_dirty(svm->vmcb, VMCB_INTR); @@ -2222,6 +2224,10 @@ static int gp_interception(struct kvm_vcpu *vcpu) if (error_code) goto reinject; + /* All SVM instructions expect page aligned RAX */ + if (svm->vmcb->save.rax & ~PAGE_MASK) + goto reinject; + /* Decode the instruction for usage later */ if (x86_decode_emulated_instruction(vcpu, 0, NULL, 0) != EMULATION_OK) goto reinject; @@ -4285,43 +4291,44 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, char *smstate) struct kvm_host_map map_save; int ret; - if (is_guest_mode(vcpu)) { - /* FED8h - SVM Guest */ - put_smstate(u64, smstate, 0x7ed8, 1); - /* FEE0h - SVM Guest VMCB Physical Address */ - put_smstate(u64, smstate, 0x7ee0, svm->nested.vmcb12_gpa); + if (!is_guest_mode(vcpu)) + return 0; - svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX]; - svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP]; - svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP]; + /* FED8h - SVM Guest */ + put_smstate(u64, smstate, 0x7ed8, 1); + /* FEE0h - SVM Guest VMCB Physical Address */ + put_smstate(u64, smstate, 0x7ee0, svm->nested.vmcb12_gpa); - ret = nested_svm_vmexit(svm); - if (ret) - return ret; + svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX]; + svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP]; + svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP]; - /* - * KVM uses VMCB01 to store L1 host state while L2 runs but - * VMCB01 is going to be used during SMM and thus the state will - * be lost. Temporary save non-VMLOAD/VMSAVE state to the host save - * area pointed to by MSR_VM_HSAVE_PA. APM guarantees that the - * format of the area is identical to guest save area offsetted - * by 0x400 (matches the offset of 'struct vmcb_save_area' - * within 'struct vmcb'). Note: HSAVE area may also be used by - * L1 hypervisor to save additional host context (e.g. KVM does - * that, see svm_prepare_guest_switch()) which must be - * preserved. - */ - if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), - &map_save) == -EINVAL) - return 1; + ret = nested_svm_vmexit(svm); + if (ret) + return ret; - BUILD_BUG_ON(offsetof(struct vmcb, save) != 0x400); + /* + * KVM uses VMCB01 to store L1 host state while L2 runs but + * VMCB01 is going to be used during SMM and thus the state will + * be lost. Temporary save non-VMLOAD/VMSAVE state to the host save + * area pointed to by MSR_VM_HSAVE_PA. APM guarantees that the + * format of the area is identical to guest save area offsetted + * by 0x400 (matches the offset of 'struct vmcb_save_area' + * within 'struct vmcb'). Note: HSAVE area may also be used by + * L1 hypervisor to save additional host context (e.g. KVM does + * that, see svm_prepare_guest_switch()) which must be + * preserved. + */ + if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), + &map_save) == -EINVAL) + return 1; - svm_copy_vmrun_state(map_save.hva + 0x400, - &svm->vmcb01.ptr->save); + BUILD_BUG_ON(offsetof(struct vmcb, save) != 0x400); - kvm_vcpu_unmap(vcpu, &map_save, true); - } + svm_copy_vmrun_state(map_save.hva + 0x400, + &svm->vmcb01.ptr->save); + + kvm_vcpu_unmap(vcpu, &map_save, true); return 0; } @@ -4329,50 +4336,54 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const char *smstate) { struct vcpu_svm *svm = to_svm(vcpu); struct kvm_host_map map, map_save; - int ret = 0; + u64 saved_efer, vmcb12_gpa; + struct vmcb *vmcb12; + int ret; - if (guest_cpuid_has(vcpu, X86_FEATURE_LM)) { - u64 saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0); - u64 guest = GET_SMSTATE(u64, smstate, 0x7ed8); - u64 vmcb12_gpa = GET_SMSTATE(u64, smstate, 0x7ee0); - struct vmcb *vmcb12; + if (!guest_cpuid_has(vcpu, X86_FEATURE_LM)) + return 0; - if (guest) { - if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM)) - return 1; + /* Non-zero if SMI arrived while vCPU was in guest mode. */ + if (!GET_SMSTATE(u64, smstate, 0x7ed8)) + return 0; - if (!(saved_efer & EFER_SVME)) - return 1; + if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM)) + return 1; - if (kvm_vcpu_map(vcpu, - gpa_to_gfn(vmcb12_gpa), &map) == -EINVAL) - return 1; + saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0); + if (!(saved_efer & EFER_SVME)) + return 1; - if (svm_allocate_nested(svm)) - return 1; + vmcb12_gpa = GET_SMSTATE(u64, smstate, 0x7ee0); + if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmcb12_gpa), &map) == -EINVAL) + return 1; - vmcb12 = map.hva; + ret = 1; + if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), &map_save) == -EINVAL) + goto unmap_map; - nested_load_control_from_vmcb12(svm, &vmcb12->control); + if (svm_allocate_nested(svm)) + goto unmap_save; - ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12); - kvm_vcpu_unmap(vcpu, &map, true); + /* + * Restore L1 host state from L1 HSAVE area as VMCB01 was + * used during SMM (see svm_enter_smm()) + */ - /* - * Restore L1 host state from L1 HSAVE area as VMCB01 was - * used during SMM (see svm_enter_smm()) - */ - if (kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.hsave_msr), - &map_save) == -EINVAL) - return 1; + svm_copy_vmrun_state(&svm->vmcb01.ptr->save, map_save.hva + 0x400); - svm_copy_vmrun_state(&svm->vmcb01.ptr->save, - map_save.hva + 0x400); + /* + * Enter the nested guest now + */ - kvm_vcpu_unmap(vcpu, &map_save, true); - } - } + vmcb12 = map.hva; + nested_load_control_from_vmcb12(svm, &vmcb12->control); + ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, false); +unmap_save: + kvm_vcpu_unmap(vcpu, &map_save, true); +unmap_map: + kvm_vcpu_unmap(vcpu, &map, true); return ret; } diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 524d943f3efc..128a54b1fbf1 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -459,7 +459,8 @@ static inline bool nested_exit_on_nmi(struct vcpu_svm *svm) return vmcb_is_intercept(&svm->nested.ctl, INTERCEPT_NMI); } -int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb_gpa, struct vmcb *vmcb12); +int enter_svm_guest_mode(struct kvm_vcpu *vcpu, + u64 vmcb_gpa, struct vmcb *vmcb12, bool from_vmrun); void svm_leave_nested(struct vcpu_svm *svm); void svm_free_nested(struct vcpu_svm *svm); int svm_allocate_nested(struct vcpu_svm *svm); diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c index 0dab1b7b529f..ba6f99f584ac 100644 --- a/arch/x86/kvm/vmx/evmcs.c +++ b/arch/x86/kvm/vmx/evmcs.c @@ -353,14 +353,20 @@ void nested_evmcs_filter_control_msr(u32 msr_index, u64 *pdata) switch (msr_index) { case MSR_IA32_VMX_EXIT_CTLS: case MSR_IA32_VMX_TRUE_EXIT_CTLS: - ctl_high &= ~VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL; + ctl_high &= ~EVMCS1_UNSUPPORTED_VMEXIT_CTRL; break; case MSR_IA32_VMX_ENTRY_CTLS: case MSR_IA32_VMX_TRUE_ENTRY_CTLS: - ctl_high &= ~VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL; + ctl_high &= ~EVMCS1_UNSUPPORTED_VMENTRY_CTRL; break; case MSR_IA32_VMX_PROCBASED_CTLS2: - ctl_high &= ~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES; + ctl_high &= ~EVMCS1_UNSUPPORTED_2NDEXEC; + break; + case MSR_IA32_VMX_PINBASED_CTLS: + ctl_high &= ~EVMCS1_UNSUPPORTED_PINCTRL; + break; + case MSR_IA32_VMX_VMFUNC: + ctl_low &= ~EVMCS1_UNSUPPORTED_VMFUNC; break; } diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index ccb03d69546c..eedcebf58004 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2583,8 +2583,13 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, * Guest state is invalid and unrestricted guest is disabled, * which means L1 attempted VMEntry to L2 with invalid state. * Fail the VMEntry. + * + * However when force loading the guest state (SMM exit or + * loading nested state after migration, it is possible to + * have invalid guest state now, which will be later fixed by + * restoring L2 register state */ - if (CC(!vmx_guest_state_valid(vcpu))) { + if (CC(from_vmentry && !vmx_guest_state_valid(vcpu))) { *entry_failure_code = ENTRY_FAIL_DEFAULT; return -EINVAL; } @@ -4351,6 +4356,8 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, if (nested_vmx_load_msr(vcpu, vmcs12->vm_exit_msr_load_addr, vmcs12->vm_exit_msr_load_count)) nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_MSR_FAIL); + + to_vmx(vcpu)->emulation_required = vmx_emulation_required(vcpu); } static inline u64 nested_vmx_get_vmcs01_guest_efer(struct vcpu_vmx *vmx) @@ -4899,14 +4906,7 @@ out_vmcs02: return -ENOMEM; } -/* - * Emulate the VMXON instruction. - * Currently, we just remember that VMX is active, and do not save or even - * inspect the argument to VMXON (the so-called "VMXON pointer") because we - * do not currently need to store anything in that guest-allocated memory - * region. Consequently, VMCLEAR and VMPTRLD also do not verify that the their - * argument is different from the VMXON pointer (which the spec says they do). - */ +/* Emulate the VMXON instruction. */ static int handle_vmon(struct kvm_vcpu *vcpu) { int ret; @@ -5903,6 +5903,12 @@ static bool nested_vmx_l0_wants_exit(struct kvm_vcpu *vcpu, case EXIT_REASON_VMFUNC: /* VM functions are emulated through L2->L0 vmexits. */ return true; + case EXIT_REASON_BUS_LOCK: + /* + * At present, bus lock VM exit is never exposed to L1. + * Handle L2's bus locks in L0 directly. + */ + return true; default: break; } diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 0c2c0d5ae873..116b08904ac3 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -1323,7 +1323,7 @@ static void vmx_vcpu_put(struct kvm_vcpu *vcpu) vmx_prepare_switch_to_host(to_vmx(vcpu)); } -static bool emulation_required(struct kvm_vcpu *vcpu) +bool vmx_emulation_required(struct kvm_vcpu *vcpu) { return emulate_invalid_guest_state && !vmx_guest_state_valid(vcpu); } @@ -1367,7 +1367,7 @@ void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) vmcs_writel(GUEST_RFLAGS, rflags); if ((old_rflags ^ vmx->rflags) & X86_EFLAGS_VM) - vmx->emulation_required = emulation_required(vcpu); + vmx->emulation_required = vmx_emulation_required(vcpu); } u32 vmx_get_interrupt_shadow(struct kvm_vcpu *vcpu) @@ -1837,10 +1837,11 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) &msr_info->data)) return 1; /* - * Enlightened VMCS v1 doesn't have certain fields, but buggy - * Hyper-V versions are still trying to use corresponding - * features when they are exposed. Filter out the essential - * minimum. + * Enlightened VMCS v1 doesn't have certain VMCS fields but + * instead of just ignoring the features, different Hyper-V + * versions are either trying to use them and fail or do some + * sanity checking and refuse to boot. Filter all unsupported + * features out. */ if (!msr_info->host_initiated && vmx->nested.enlightened_vmcs_enabled) @@ -3077,7 +3078,7 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) } /* depends on vcpu->arch.cr0 to be set to a new value */ - vmx->emulation_required = emulation_required(vcpu); + vmx->emulation_required = vmx_emulation_required(vcpu); } static int vmx_get_max_tdp_level(void) @@ -3330,7 +3331,7 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int { __vmx_set_segment(vcpu, var, seg); - to_vmx(vcpu)->emulation_required = emulation_required(vcpu); + to_vmx(vcpu)->emulation_required = vmx_emulation_required(vcpu); } static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) @@ -6621,10 +6622,24 @@ static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu) vmx->loaded_vmcs->soft_vnmi_blocked)) vmx->loaded_vmcs->entry_time = ktime_get(); - /* Don't enter VMX if guest state is invalid, let the exit handler - start emulation until we arrive back to a valid state */ - if (vmx->emulation_required) + /* + * Don't enter VMX if guest state is invalid, let the exit handler + * start emulation until we arrive back to a valid state. Synthesize a + * consistency check VM-Exit due to invalid guest state and bail. + */ + if (unlikely(vmx->emulation_required)) { + + /* We don't emulate invalid state of a nested guest */ + vmx->fail = is_guest_mode(vcpu); + + vmx->exit_reason.full = EXIT_REASON_INVALID_STATE; + vmx->exit_reason.failed_vmentry = 1; + kvm_register_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_1); + vmx->exit_qualification = ENTRY_FAIL_DEFAULT; + kvm_register_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_2); + vmx->exit_intr_info = 0; return EXIT_FASTPATH_NONE; + } trace_kvm_entry(vcpu); @@ -6833,7 +6848,7 @@ static int vmx_create_vcpu(struct kvm_vcpu *vcpu) */ tsx_ctrl = vmx_find_uret_msr(vmx, MSR_IA32_TSX_CTRL); if (tsx_ctrl) - vmx->guest_uret_msrs[i].mask = ~(u64)TSX_CTRL_CPUID_CLEAR; + tsx_ctrl->mask = ~(u64)TSX_CTRL_CPUID_CLEAR; } err = alloc_loaded_vmcs(&vmx->vmcs01); diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h index 4858c5fd95f2..592217fd7d92 100644 --- a/arch/x86/kvm/vmx/vmx.h +++ b/arch/x86/kvm/vmx/vmx.h @@ -248,12 +248,8 @@ struct vcpu_vmx { * only loaded into hardware when necessary, e.g. SYSCALL #UDs outside * of 64-bit mode or if EFER.SCE=1, thus the SYSCALL MSRs don't need to * be loaded into hardware if those conditions aren't met. - * nr_active_uret_msrs tracks the number of MSRs that need to be loaded - * into hardware when running the guest. guest_uret_msrs[] is resorted - * whenever the number of "active" uret MSRs is modified. */ struct vmx_uret_msr guest_uret_msrs[MAX_NR_USER_RETURN_MSRS]; - int nr_active_uret_msrs; bool guest_uret_msrs_loaded; #ifdef CONFIG_X86_64 u64 msr_host_kernel_gs_base; @@ -359,6 +355,7 @@ void vmx_prepare_switch_to_guest(struct kvm_vcpu *vcpu); void vmx_set_host_fs_gs(struct vmcs_host_state *host, u16 fs_sel, u16 gs_sel, unsigned long fs_base, unsigned long gs_base); int vmx_get_cpl(struct kvm_vcpu *vcpu); +bool vmx_emulation_required(struct kvm_vcpu *vcpu); unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu); void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); u32 vmx_get_interrupt_shadow(struct kvm_vcpu *vcpu); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 28ef14155726..aabd3a2ec1bc 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1332,6 +1332,13 @@ static const u32 msrs_to_save_all[] = { MSR_ARCH_PERFMON_EVENTSEL0 + 12, MSR_ARCH_PERFMON_EVENTSEL0 + 13, MSR_ARCH_PERFMON_EVENTSEL0 + 14, MSR_ARCH_PERFMON_EVENTSEL0 + 15, MSR_ARCH_PERFMON_EVENTSEL0 + 16, MSR_ARCH_PERFMON_EVENTSEL0 + 17, + + MSR_K7_EVNTSEL0, MSR_K7_EVNTSEL1, MSR_K7_EVNTSEL2, MSR_K7_EVNTSEL3, + MSR_K7_PERFCTR0, MSR_K7_PERFCTR1, MSR_K7_PERFCTR2, MSR_K7_PERFCTR3, + MSR_F15H_PERF_CTL0, MSR_F15H_PERF_CTL1, MSR_F15H_PERF_CTL2, + MSR_F15H_PERF_CTL3, MSR_F15H_PERF_CTL4, MSR_F15H_PERF_CTL5, + MSR_F15H_PERF_CTR0, MSR_F15H_PERF_CTR1, MSR_F15H_PERF_CTR2, + MSR_F15H_PERF_CTR3, MSR_F15H_PERF_CTR4, MSR_F15H_PERF_CTR5, }; static u32 msrs_to_save[ARRAY_SIZE(msrs_to_save_all)]; @@ -2969,7 +2976,7 @@ static int kvm_guest_time_update(struct kvm_vcpu *v) offsetof(struct compat_vcpu_info, time)); if (vcpu->xen.vcpu_time_info_set) kvm_setup_pvclock_page(v, &vcpu->xen.vcpu_time_info_cache, 0); - if (v == kvm_get_vcpu(v->kvm, 0)) + if (!v->vcpu_idx) kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); return 0; } @@ -7658,6 +7665,13 @@ static void kvm_smm_changed(struct kvm_vcpu *vcpu, bool entering_smm) /* Process a latched INIT or SMI, if any. */ kvm_make_request(KVM_REQ_EVENT, vcpu); + + /* + * Even if KVM_SET_SREGS2 loaded PDPTRs out of band, + * on SMM exit we still need to reload them from + * guest memory + */ + vcpu->arch.pdptrs_from_userspace = false; } kvm_mmu_reset_context(vcpu); @@ -10652,6 +10666,8 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) int r; vcpu->arch.last_vmentry_cpu = -1; + vcpu->arch.regs_avail = ~0; + vcpu->arch.regs_dirty = ~0; if (!irqchip_in_kernel(vcpu->kvm) || kvm_vcpu_is_reset_bsp(vcpu)) vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; @@ -10893,6 +10909,9 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event) kvm_set_rflags(vcpu, X86_EFLAGS_FIXED); kvm_rip_write(vcpu, 0xfff0); + vcpu->arch.cr3 = 0; + kvm_register_mark_dirty(vcpu, VCPU_EXREG_CR3); + /* * CR0.CD/NW are set on RESET, preserved on INIT. Note, some versions * of Intel's SDM list CD/NW as being set on INIT, but they contradict @@ -11139,9 +11158,15 @@ void kvm_arch_free_vm(struct kvm *kvm) int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) { + int ret; + if (type) return -EINVAL; + ret = kvm_page_track_init(kvm); + if (ret) + return ret; + INIT_HLIST_HEAD(&kvm->arch.mask_notifier_list); INIT_LIST_HEAD(&kvm->arch.active_mmu_pages); INIT_LIST_HEAD(&kvm->arch.zapped_obsolete_pages); @@ -11174,7 +11199,6 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) kvm_apicv_init(kvm); kvm_hv_init_vm(kvm); - kvm_page_track_init(kvm); kvm_mmu_init_vm(kvm); kvm_xen_init_vm(kvm); diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c index 058f19b20465..c565def611e2 100644 --- a/arch/x86/lib/insn.c +++ b/arch/x86/lib/insn.c @@ -37,10 +37,10 @@ ((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr) #define __get_next(t, insn) \ - ({ t r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); leXX_to_cpu(t, r); }) + ({ t r; memcpy(&r, insn->next_byte, sizeof(t)); insn->next_byte += sizeof(t); leXX_to_cpu(t, r); }) #define __peek_nbyte_next(t, insn, n) \ - ({ t r = *(t*)((insn)->next_byte + n); leXX_to_cpu(t, r); }) + ({ t r; memcpy(&r, (insn)->next_byte + n, sizeof(t)); leXX_to_cpu(t, r); }) #define get_next(t, insn) \ ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index b2eefdefc108..84a2c8c4af73 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -710,7 +710,8 @@ oops: static noinline void kernelmode_fixup_or_oops(struct pt_regs *regs, unsigned long error_code, - unsigned long address, int signal, int si_code) + unsigned long address, int signal, int si_code, + u32 pkey) { WARN_ON_ONCE(user_mode(regs)); @@ -735,8 +736,12 @@ kernelmode_fixup_or_oops(struct pt_regs *regs, unsigned long error_code, set_signal_archinfo(address, error_code); - /* XXX: hwpoison faults will set the wrong code. */ - force_sig_fault(signal, si_code, (void __user *)address); + if (si_code == SEGV_PKUERR) { + force_sig_pkuerr((void __user *)address, pkey); + } else { + /* XXX: hwpoison faults will set the wrong code. */ + force_sig_fault(signal, si_code, (void __user *)address); + } } /* @@ -798,7 +803,8 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, struct task_struct *tsk = current; if (!user_mode(regs)) { - kernelmode_fixup_or_oops(regs, error_code, address, pkey, si_code); + kernelmode_fixup_or_oops(regs, error_code, address, + SIGSEGV, si_code, pkey); return; } @@ -930,7 +936,8 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, { /* Kernel mode? Handle exceptions or die: */ if (!user_mode(regs)) { - kernelmode_fixup_or_oops(regs, error_code, address, SIGBUS, BUS_ADRERR); + kernelmode_fixup_or_oops(regs, error_code, address, + SIGBUS, BUS_ADRERR, ARCH_DEFAULT_PKEY); return; } @@ -1396,7 +1403,8 @@ good_area: */ if (!user_mode(regs)) kernelmode_fixup_or_oops(regs, error_code, address, - SIGBUS, BUS_ADRERR); + SIGBUS, BUS_ADRERR, + ARCH_DEFAULT_PKEY); return; } @@ -1416,7 +1424,8 @@ good_area: return; if (fatal_signal_pending(current) && !user_mode(regs)) { - kernelmode_fixup_or_oops(regs, error_code, address, 0, 0); + kernelmode_fixup_or_oops(regs, error_code, address, + 0, 0, ARCH_DEFAULT_PKEY); return; } @@ -1424,7 +1433,8 @@ good_area: /* Kernel mode? Handle exceptions or die: */ if (!user_mode(regs)) { kernelmode_fixup_or_oops(regs, error_code, address, - SIGSEGV, SEGV_MAPERR); + SIGSEGV, SEGV_MAPERR, + ARCH_DEFAULT_PKEY); return; } diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index a6e11763763f..36098226a957 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1432,18 +1432,18 @@ int kern_addr_valid(unsigned long addr) return 0; p4d = p4d_offset(pgd, addr); - if (p4d_none(*p4d)) + if (!p4d_present(*p4d)) return 0; pud = pud_offset(p4d, addr); - if (pud_none(*pud)) + if (!pud_present(*pud)) return 0; if (pud_large(*pud)) return pfn_valid(pud_pfn(*pud)); pmd = pmd_offset(pud, addr); - if (pmd_none(*pmd)) + if (!pmd_present(*pmd)) return 0; if (pmd_large(*pmd)) diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 1a50434c8a4d..ef885370719a 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -49,8 +49,7 @@ static void __init kasan_populate_pmd(pmd_t *pmd, unsigned long addr, p = early_alloc(PMD_SIZE, nid, false); if (p && pmd_set_huge(pmd, __pa(p), PAGE_KERNEL)) return; - else if (p) - memblock_free(__pa(p), PMD_SIZE); + memblock_free_ptr(p, PMD_SIZE); } p = early_alloc(PAGE_SIZE, nid, true); @@ -86,8 +85,7 @@ static void __init kasan_populate_pud(pud_t *pud, unsigned long addr, p = early_alloc(PUD_SIZE, nid, false); if (p && pud_set_huge(pud, __pa(p), PAGE_KERNEL)) return; - else if (p) - memblock_free(__pa(p), PUD_SIZE); + memblock_free_ptr(p, PUD_SIZE); } p = early_alloc(PAGE_SIZE, nid, true); diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index a1b5c71099e6..1e9b93b088db 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -355,7 +355,7 @@ void __init numa_reset_distance(void) /* numa_distance could be 1LU marking allocation failure, test cnt */ if (numa_distance_cnt) - memblock_free(__pa(numa_distance), size); + memblock_free_ptr(numa_distance, size); numa_distance_cnt = 0; numa_distance = NULL; /* enable table creation */ } diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index 737491b13728..e801e30089c4 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -517,8 +517,7 @@ void __init numa_emulation(struct numa_meminfo *numa_meminfo, int numa_dist_cnt) } /* free the copied physical distance table */ - if (phys_dist) - memblock_free(__pa(phys_dist), phys_size); + memblock_free_ptr(phys_dist, phys_size); return; no_emu: diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c index 3112ca7786ed..4ba2a3ee4bce 100644 --- a/arch/x86/mm/pat/memtype.c +++ b/arch/x86/mm/pat/memtype.c @@ -583,7 +583,12 @@ int memtype_reserve(u64 start, u64 end, enum page_cache_mode req_type, int err = 0; start = sanitize_phys(start); - end = sanitize_phys(end); + + /* + * The end address passed into this function is exclusive, but + * sanitize_phys() expects an inclusive address. + */ + end = sanitize_phys(end - 1) + 1; if (start >= end) { WARN(1, "%s failed: [mem %#010Lx-%#010Lx], req %s\n", __func__, start, end - 1, cattr_name(req_type)); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 703dc6eaf4c7..e63ca38acbe4 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1334,9 +1334,10 @@ st: if (is_imm8(insn->off)) if (insn->imm == (BPF_AND | BPF_FETCH) || insn->imm == (BPF_OR | BPF_FETCH) || insn->imm == (BPF_XOR | BPF_FETCH)) { - u8 *branch_target; bool is64 = BPF_SIZE(insn->code) == BPF_DW; u32 real_src_reg = src_reg; + u32 real_dst_reg = dst_reg; + u8 *branch_target; /* * Can't be implemented with a single x86 insn. @@ -1347,11 +1348,13 @@ st: if (is_imm8(insn->off)) emit_mov_reg(&prog, true, BPF_REG_AX, BPF_REG_0); if (src_reg == BPF_REG_0) real_src_reg = BPF_REG_AX; + if (dst_reg == BPF_REG_0) + real_dst_reg = BPF_REG_AX; branch_target = prog; /* Load old value */ emit_ldx(&prog, BPF_SIZE(insn->code), - BPF_REG_0, dst_reg, insn->off); + BPF_REG_0, real_dst_reg, insn->off); /* * Perform the (commutative) operation locally, * put the result in the AUX_REG. @@ -1362,7 +1365,8 @@ st: if (is_imm8(insn->off)) add_2reg(0xC0, AUX_REG, real_src_reg)); /* Attempt to swap in new value */ err = emit_atomic(&prog, BPF_CMPXCHG, - dst_reg, AUX_REG, insn->off, + real_dst_reg, AUX_REG, + insn->off, BPF_SIZE(insn->code)); if (WARN_ON(err)) return err; @@ -1376,11 +1380,10 @@ st: if (is_imm8(insn->off)) /* Restore R0 after clobbering RAX */ emit_mov_reg(&prog, true, BPF_REG_0, BPF_REG_AX); break; - } err = emit_atomic(&prog, insn->imm, dst_reg, src_reg, - insn->off, BPF_SIZE(insn->code)); + insn->off, BPF_SIZE(insn->code)); if (err) return err; break; @@ -1737,7 +1740,7 @@ static void restore_regs(const struct btf_func_model *m, u8 **prog, int nr_args, } static int invoke_bpf_prog(const struct btf_func_model *m, u8 **pprog, - struct bpf_prog *p, int stack_size, bool mod_ret) + struct bpf_prog *p, int stack_size, bool save_ret) { u8 *prog = *pprog; u8 *jmp_insn; @@ -1770,11 +1773,15 @@ static int invoke_bpf_prog(const struct btf_func_model *m, u8 **pprog, if (emit_call(&prog, p->bpf_func, prog)) return -EINVAL; - /* BPF_TRAMP_MODIFY_RETURN trampolines can modify the return + /* + * BPF_TRAMP_MODIFY_RETURN trampolines can modify the return * of the previous call which is then passed on the stack to * the next BPF program. + * + * BPF_TRAMP_FENTRY trampoline may need to return the return + * value of BPF_PROG_TYPE_STRUCT_OPS prog. */ - if (mod_ret) + if (save_ret) emit_stx(&prog, BPF_DW, BPF_REG_FP, BPF_REG_0, -8); /* replace 2 nops with JE insn, since jmp target is known */ @@ -1821,13 +1828,15 @@ static int emit_cond_near_jump(u8 **pprog, void *func, void *ip, u8 jmp_cond) } static int invoke_bpf(const struct btf_func_model *m, u8 **pprog, - struct bpf_tramp_progs *tp, int stack_size) + struct bpf_tramp_progs *tp, int stack_size, + bool save_ret) { int i; u8 *prog = *pprog; for (i = 0; i < tp->nr_progs; i++) { - if (invoke_bpf_prog(m, &prog, tp->progs[i], stack_size, false)) + if (invoke_bpf_prog(m, &prog, tp->progs[i], stack_size, + save_ret)) return -EINVAL; } *pprog = prog; @@ -1870,6 +1879,23 @@ static int invoke_bpf_mod_ret(const struct btf_func_model *m, u8 **pprog, return 0; } +static bool is_valid_bpf_tramp_flags(unsigned int flags) +{ + if ((flags & BPF_TRAMP_F_RESTORE_REGS) && + (flags & BPF_TRAMP_F_SKIP_FRAME)) + return false; + + /* + * BPF_TRAMP_F_RET_FENTRY_RET is only used by bpf_struct_ops, + * and it must be used alone. + */ + if ((flags & BPF_TRAMP_F_RET_FENTRY_RET) && + (flags & ~BPF_TRAMP_F_RET_FENTRY_RET)) + return false; + + return true; +} + /* Example: * __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev); * its 'struct btf_func_model' will be nr_args=2 @@ -1942,17 +1968,19 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i struct bpf_tramp_progs *fmod_ret = &tprogs[BPF_TRAMP_MODIFY_RETURN]; u8 **branches = NULL; u8 *prog; + bool save_ret; /* x86-64 supports up to 6 arguments. 7+ can be added in the future */ if (nr_args > 6) return -ENOTSUPP; - if ((flags & BPF_TRAMP_F_RESTORE_REGS) && - (flags & BPF_TRAMP_F_SKIP_FRAME)) + if (!is_valid_bpf_tramp_flags(flags)) return -EINVAL; - if (flags & BPF_TRAMP_F_CALL_ORIG) - stack_size += 8; /* room for return value of orig_call */ + /* room for return value of orig_call or fentry prog */ + save_ret = flags & (BPF_TRAMP_F_CALL_ORIG | BPF_TRAMP_F_RET_FENTRY_RET); + if (save_ret) + stack_size += 8; if (flags & BPF_TRAMP_F_IP_ARG) stack_size += 8; /* room for IP address argument */ @@ -1998,7 +2026,8 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i } if (fentry->nr_progs) - if (invoke_bpf(m, &prog, fentry, stack_size)) + if (invoke_bpf(m, &prog, fentry, stack_size, + flags & BPF_TRAMP_F_RET_FENTRY_RET)) return -EINVAL; if (fmod_ret->nr_progs) { @@ -2045,7 +2074,7 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i } if (fexit->nr_progs) - if (invoke_bpf(m, &prog, fexit, stack_size)) { + if (invoke_bpf(m, &prog, fexit, stack_size, false)) { ret = -EINVAL; goto cleanup; } @@ -2065,9 +2094,10 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i ret = -EINVAL; goto cleanup; } - /* restore original return value back into RAX */ - emit_ldx(&prog, BPF_DW, BPF_REG_0, BPF_REG_FP, -8); } + /* restore return value of orig_call or fentry prog back into RAX */ + if (save_ret) + emit_ldx(&prog, BPF_DW, BPF_REG_0, BPF_REG_FP, -8); EMIT1(0x5B); /* pop rbx */ EMIT1(0xC9); /* leave */ diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 3d41a09c2c14..5debe4ac6f81 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -113,7 +113,7 @@ static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi, false /* no mapping of GSI to PIRQ */); } -#ifdef CONFIG_XEN_DOM0 +#ifdef CONFIG_XEN_PV_DOM0 static int xen_register_gsi(u32 gsi, int triggering, int polarity) { int rc, irq; @@ -261,7 +261,7 @@ error: return irq; } -#ifdef CONFIG_XEN_DOM0 +#ifdef CONFIG_XEN_PV_DOM0 static bool __read_mostly pci_seg_supported = true; static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) @@ -375,10 +375,10 @@ static void xen_initdom_restore_msi_irqs(struct pci_dev *dev) WARN(ret && ret != -ENOSYS, "restore_msi -> %d\n", ret); } } -#else /* CONFIG_XEN_DOM0 */ +#else /* CONFIG_XEN_PV_DOM0 */ #define xen_initdom_setup_msi_irqs NULL #define xen_initdom_restore_msi_irqs NULL -#endif /* !CONFIG_XEN_DOM0 */ +#endif /* !CONFIG_XEN_PV_DOM0 */ static void xen_teardown_msi_irqs(struct pci_dev *dev) { @@ -555,7 +555,7 @@ int __init pci_xen_hvm_init(void) return 0; } -#ifdef CONFIG_XEN_DOM0 +#ifdef CONFIG_XEN_PV_DOM0 int __init pci_xen_initial_domain(void) { int irq; @@ -583,6 +583,9 @@ int __init pci_xen_initial_domain(void) } return 0; } +#endif + +#ifdef CONFIG_XEN_DOM0 struct xen_device_domain_owner { domid_t domain; @@ -656,4 +659,4 @@ int xen_unregister_device_domain_owner(struct pci_dev *dev) return 0; } EXPORT_SYMBOL_GPL(xen_unregister_device_domain_owner); -#endif +#endif /* CONFIG_XEN_DOM0 */ diff --git a/arch/x86/platform/olpc/olpc.c b/arch/x86/platform/olpc/olpc.c index ee2beda590d0..1d4a00e767ec 100644 --- a/arch/x86/platform/olpc/olpc.c +++ b/arch/x86/platform/olpc/olpc.c @@ -274,7 +274,7 @@ static struct olpc_ec_driver ec_xo1_driver = { static struct olpc_ec_driver ec_xo1_5_driver = { .ec_cmd = olpc_xo1_ec_cmd, -#ifdef CONFIG_OLPC_XO1_5_SCI +#ifdef CONFIG_OLPC_XO15_SCI /* * XO-1.5 EC wakeups are available when olpc-xo15-sci driver is * compiled in diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c index 9ac7457f52a3..ed0442e35434 100644 --- a/arch/x86/platform/pvh/enlighten.c +++ b/arch/x86/platform/pvh/enlighten.c @@ -16,15 +16,15 @@ /* * PVH variables. * - * pvh_bootparams and pvh_start_info need to live in the data segment since + * pvh_bootparams and pvh_start_info need to live in a data segment since * they are used after startup_{32|64}, which clear .bss, are invoked. */ -struct boot_params pvh_bootparams __section(".data"); -struct hvm_start_info pvh_start_info __section(".data"); +struct boot_params __initdata pvh_bootparams; +struct hvm_start_info __initdata pvh_start_info; -unsigned int pvh_start_info_sz = sizeof(pvh_start_info); +const unsigned int __initconst pvh_start_info_sz = sizeof(pvh_start_info); -static u64 pvh_get_root_pointer(void) +static u64 __init pvh_get_root_pointer(void) { return pvh_start_info.rsdp_paddr; } @@ -107,7 +107,7 @@ void __init __weak xen_pvh_init(struct boot_params *boot_params) BUG(); } -static void hypervisor_specific_init(bool xen_guest) +static void __init hypervisor_specific_init(bool xen_guest) { if (xen_guest) xen_pvh_init(&pvh_bootparams); diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index afc1da68b06d..6bcd3d8ca6ac 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -43,13 +43,9 @@ config XEN_PV_SMP def_bool y depends on XEN_PV && SMP -config XEN_DOM0 - bool "Xen PV Dom0 support" - default y - depends on XEN_PV && PCI_XEN && SWIOTLB_XEN - depends on X86_IO_APIC && ACPI && PCI - help - Support running as a Xen PV Dom0 guest. +config XEN_PV_DOM0 + def_bool y + depends on XEN_PV && XEN_DOM0 config XEN_PVHVM def_bool y @@ -86,3 +82,12 @@ config XEN_PVH def_bool n help Support for running as a Xen PVH guest. + +config XEN_DOM0 + bool "Xen Dom0 support" + default XEN_PV + depends on (XEN_PV && SWIOTLB_XEN) || (XEN_PVH && X86_64) + depends on X86_IO_APIC && ACPI && PCI + select X86_X2APIC if XEN_PVH && X86_64 + help + Support running as a Xen Dom0 guest. diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 40b5779fce21..4953260e281c 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -45,7 +45,7 @@ obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o -obj-$(CONFIG_XEN_DOM0) += vga.o +obj-$(CONFIG_XEN_PV_DOM0) += vga.o obj-$(CONFIG_SWIOTLB_XEN) += pci-swiotlb-xen.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index c79bd0af2e8c..95d970359e17 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -3,6 +3,7 @@ #ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG #include <linux/memblock.h> #endif +#include <linux/console.h> #include <linux/cpu.h> #include <linux/kexec.h> #include <linux/slab.h> @@ -10,12 +11,15 @@ #include <xen/xen.h> #include <xen/features.h> +#include <xen/interface/sched.h> +#include <xen/interface/version.h> #include <xen/page.h> #include <asm/xen/hypercall.h> #include <asm/xen/hypervisor.h> #include <asm/cpu.h> #include <asm/e820/api.h> +#include <asm/setup.h> #include "xen-ops.h" #include "smp.h" @@ -52,9 +56,6 @@ DEFINE_PER_CPU(struct vcpu_info, xen_vcpu_info); DEFINE_PER_CPU(uint32_t, xen_vcpu_id); EXPORT_PER_CPU_SYMBOL(xen_vcpu_id); -enum xen_domain_type xen_domain_type = XEN_NATIVE; -EXPORT_SYMBOL_GPL(xen_domain_type); - unsigned long *machine_to_phys_mapping = (void *)MACH2PHYS_VIRT_START; EXPORT_SYMBOL(machine_to_phys_mapping); unsigned long machine_to_phys_nr; @@ -69,10 +70,12 @@ __read_mostly int xen_have_vector_callback; EXPORT_SYMBOL_GPL(xen_have_vector_callback); /* - * NB: needs to live in .data because it's used by xen_prepare_pvh which runs - * before clearing the bss. + * NB: These need to live in .data or alike because they're used by + * xen_prepare_pvh() which runs before clearing the bss. */ -uint32_t xen_start_flags __section(".data") = 0; +enum xen_domain_type __ro_after_init xen_domain_type = XEN_NATIVE; +EXPORT_SYMBOL_GPL(xen_domain_type); +uint32_t __ro_after_init xen_start_flags; EXPORT_SYMBOL(xen_start_flags); /* @@ -258,6 +261,45 @@ int xen_vcpu_setup(int cpu) return ((per_cpu(xen_vcpu, cpu) == NULL) ? -ENODEV : 0); } +void __init xen_banner(void) +{ + unsigned version = HYPERVISOR_xen_version(XENVER_version, NULL); + struct xen_extraversion extra; + + HYPERVISOR_xen_version(XENVER_extraversion, &extra); + + pr_info("Booting kernel on %s\n", pv_info.name); + pr_info("Xen version: %u.%u%s%s\n", + version >> 16, version & 0xffff, extra.extraversion, + xen_feature(XENFEAT_mmu_pt_update_preserve_ad) + ? " (preserve-AD)" : ""); +} + +/* Check if running on Xen version (major, minor) or later */ +bool xen_running_on_version_or_later(unsigned int major, unsigned int minor) +{ + unsigned int version; + + if (!xen_domain()) + return false; + + version = HYPERVISOR_xen_version(XENVER_version, NULL); + if ((((version >> 16) == major) && ((version & 0xffff) >= minor)) || + ((version >> 16) > major)) + return true; + return false; +} + +void __init xen_add_preferred_consoles(void) +{ + add_preferred_console("xenboot", 0, NULL); + if (!boot_params.screen_info.orig_video_isVGA) + add_preferred_console("tty", 0, NULL); + add_preferred_console("hvc", 0, NULL); + if (boot_params.screen_info.orig_video_isVGA) + add_preferred_console("tty", 0, NULL); +} + void xen_reboot(int reason) { struct sched_shutdown r = { .reason = reason }; diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 753f63734c13..a7b7d674f500 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -28,7 +28,6 @@ #include <linux/mm.h> #include <linux/page-flags.h> #include <linux/highmem.h> -#include <linux/console.h> #include <linux/pci.h> #include <linux/gfp.h> #include <linux/edd.h> @@ -109,17 +108,6 @@ struct tls_descs { */ static DEFINE_PER_CPU(struct tls_descs, shadow_tls_desc); -static void __init xen_banner(void) -{ - unsigned version = HYPERVISOR_xen_version(XENVER_version, NULL); - struct xen_extraversion extra; - HYPERVISOR_xen_version(XENVER_extraversion, &extra); - - pr_info("Booting paravirtualized kernel on %s\n", pv_info.name); - pr_info("Xen version: %d.%d%s (preserve-AD)\n", - version >> 16, version & 0xffff, extra.extraversion); -} - static void __init xen_pv_init_platform(void) { populate_extra_pte(fix_to_virt(FIX_PARAVIRT_BOOTMAP)); @@ -142,22 +130,6 @@ static void __init xen_pv_guest_late_init(void) #endif } -/* Check if running on Xen version (major, minor) or later */ -bool -xen_running_on_version_or_later(unsigned int major, unsigned int minor) -{ - unsigned int version; - - if (!xen_domain()) - return false; - - version = HYPERVISOR_xen_version(XENVER_version, NULL); - if ((((version >> 16) == major) && ((version & 0xffff) >= minor)) || - ((version >> 16) > major)) - return true; - return false; -} - static __read_mostly unsigned int cpuid_leaf5_ecx_val; static __read_mostly unsigned int cpuid_leaf5_edx_val; @@ -755,8 +727,8 @@ static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g) preempt_enable(); } -static void xen_convert_trap_info(const struct desc_ptr *desc, - struct trap_info *traps) +static unsigned xen_convert_trap_info(const struct desc_ptr *desc, + struct trap_info *traps, bool full) { unsigned in, out, count; @@ -766,17 +738,18 @@ static void xen_convert_trap_info(const struct desc_ptr *desc, for (in = out = 0; in < count; in++) { gate_desc *entry = (gate_desc *)(desc->address) + in; - if (cvt_gate_to_trap(in, entry, &traps[out])) + if (cvt_gate_to_trap(in, entry, &traps[out]) || full) out++; } - traps[out].address = 0; + + return out; } void xen_copy_trap_info(struct trap_info *traps) { const struct desc_ptr *desc = this_cpu_ptr(&idt_desc); - xen_convert_trap_info(desc, traps); + xen_convert_trap_info(desc, traps, true); } /* Load a new IDT into Xen. In principle this can be per-CPU, so we @@ -786,6 +759,7 @@ static void xen_load_idt(const struct desc_ptr *desc) { static DEFINE_SPINLOCK(lock); static struct trap_info traps[257]; + unsigned out; trace_xen_cpu_load_idt(desc); @@ -793,7 +767,8 @@ static void xen_load_idt(const struct desc_ptr *desc) memcpy(this_cpu_ptr(&idt_desc), desc, sizeof(idt_desc)); - xen_convert_trap_info(desc, traps); + out = xen_convert_trap_info(desc, traps, false); + memset(&traps[out], 0, sizeof(traps[0])); xen_mc_flush(); if (HYPERVISOR_set_trap_table(traps)) @@ -1214,6 +1189,11 @@ static void __init xen_dom0_set_legacy_features(void) x86_platform.legacy.rtc = 1; } +static void __init xen_domu_set_legacy_features(void) +{ + x86_platform.legacy.rtc = 0; +} + /* First C function to be called on Xen boot */ asmlinkage __visible void __init xen_start_kernel(void) { @@ -1356,9 +1336,10 @@ asmlinkage __visible void __init xen_start_kernel(void) boot_params.hdr.hardware_subarch = X86_SUBARCH_XEN; if (!xen_initial_domain()) { - add_preferred_console("xenboot", 0, NULL); if (pci_xen) x86_init.pci.arch_init = pci_xen_init; + x86_platform.set_legacy_features = + xen_domu_set_legacy_features; } else { const struct dom0_vga_console_info *info = (void *)((char *)xen_start_info + @@ -1399,11 +1380,7 @@ asmlinkage __visible void __init xen_start_kernel(void) #endif } - if (!boot_params.screen_info.orig_video_isVGA) - add_preferred_console("tty", 0, NULL); - add_preferred_console("hvc", 0, NULL); - if (boot_params.screen_info.orig_video_isVGA) - add_preferred_console("tty", 0, NULL); + xen_add_preferred_consoles(); #ifdef CONFIG_PCI /* PCI BIOS service won't work from a PV guest. */ diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 0d5e34b9e6f9..bcae606bbc5c 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/acpi.h> +#include <linux/export.h> #include <xen/hvc-console.h> @@ -18,10 +19,11 @@ /* * PVH variables. * - * The variable xen_pvh needs to live in the data segment since it is used + * The variable xen_pvh needs to live in a data segment since it is used * after startup_{32|64} is invoked, which will clear the .bss segment. */ -bool xen_pvh __section(".data") = 0; +bool __ro_after_init xen_pvh; +EXPORT_SYMBOL_GPL(xen_pvh); void __init xen_pvh_init(struct boot_params *boot_params) { @@ -36,6 +38,10 @@ void __init xen_pvh_init(struct boot_params *boot_params) pfn = __pa(hypercall_page); wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32)); + if (xen_initial_domain()) + x86_init.oem.arch_setup = xen_add_preferred_consoles; + x86_init.oem.banner = xen_banner; + xen_efi_init(boot_params); } diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index 1df5f01529e5..3359c23573c5 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -1518,14 +1518,17 @@ static inline void xen_alloc_ptpage(struct mm_struct *mm, unsigned long pfn, if (pinned) { struct page *page = pfn_to_page(pfn); - if (static_branch_likely(&xen_struct_pages_ready)) + pinned = false; + if (static_branch_likely(&xen_struct_pages_ready)) { + pinned = PagePinned(page); SetPagePinned(page); + } xen_mc_batch(); __set_pfn_prot(pfn, PAGE_KERNEL_RO); - if (level == PT_PTE && USE_SPLIT_PTE_PTLOCKS) + if (level == PT_PTE && USE_SPLIT_PTE_PTLOCKS && !pinned) __pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE, pfn); xen_mc_issue(PARAVIRT_LAZY_MMU); @@ -2395,7 +2398,7 @@ static int remap_area_pfn_pte_fn(pte_t *ptep, unsigned long addr, void *data) int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot, - unsigned int domid, bool no_translate, struct page **pages) + unsigned int domid, bool no_translate) { int err = 0; struct remap_data rmd; diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c index 54f9aa7e8457..46df59aeaa06 100644 --- a/arch/x86/xen/pci-swiotlb-xen.c +++ b/arch/x86/xen/pci-swiotlb-xen.c @@ -18,7 +18,7 @@ #endif #include <linux/export.h> -int xen_swiotlb __read_mostly; +static int xen_swiotlb __read_mostly; /* * pci_xen_swiotlb_detect - set xen_swiotlb to 1 if necessary @@ -56,7 +56,7 @@ int __init pci_xen_swiotlb_detect(void) return xen_swiotlb; } -void __init pci_xen_swiotlb_init(void) +static void __init pci_xen_swiotlb_init(void) { if (xen_swiotlb) { xen_swiotlb_init_early(); diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c index 96afadf9878e..7ed56c6075b0 100644 --- a/arch/x86/xen/smp_pv.c +++ b/arch/x86/xen/smp_pv.c @@ -290,8 +290,6 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) gdt = get_cpu_gdt_rw(cpu); - memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt)); - /* * Bring up the CPU in cpu_bringup_and_idle() with the stack * pointing just below where pt_regs would be if it were a normal @@ -308,8 +306,6 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) xen_copy_trap_info(ctxt->trap_ctxt); - ctxt->ldt_ents = 0; - BUG_ON((unsigned long)gdt & ~PAGE_MASK); gdt_mfn = arbitrary_virt_to_mfn(gdt); diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index 8d7ec49a35fb..8bc8b72a205d 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -51,6 +51,7 @@ void __init xen_remap_memory(void); phys_addr_t __init xen_find_free_area(phys_addr_t size); char * __init xen_memory_setup(void); void __init xen_arch_setup(void); +void xen_banner(void); void xen_enable_sysenter(void); void xen_enable_syscall(void); void xen_vcpu_restore(void); @@ -109,7 +110,7 @@ static inline void xen_uninit_lock_cpu(int cpu) struct dom0_vga_console_info; -#ifdef CONFIG_XEN_DOM0 +#ifdef CONFIG_XEN_PV_DOM0 void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); #else static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, @@ -118,6 +119,8 @@ static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, } #endif +void xen_add_preferred_consoles(void); + void __init xen_init_apic(void); #ifdef CONFIG_XEN_EFI diff --git a/arch/xtensa/include/asm/kmem_layout.h b/arch/xtensa/include/asm/kmem_layout.h index 7cbf68ca7106..6fc05cba61a2 100644 --- a/arch/xtensa/include/asm/kmem_layout.h +++ b/arch/xtensa/include/asm/kmem_layout.h @@ -78,7 +78,7 @@ #endif #define XCHAL_KIO_SIZE 0x10000000 -#if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_OF) +#if (!XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY) && defined(CONFIG_USE_OF) #define XCHAL_KIO_PADDR xtensa_get_kio_paddr() #ifndef __ASSEMBLY__ extern unsigned long xtensa_kio_paddr; diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 764b54bef701..15051a8a1539 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -143,7 +143,7 @@ unsigned xtensa_get_ext_irq_no(unsigned irq) void __init init_IRQ(void) { -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF irqchip_init(); #else #ifdef CONFIG_HAVE_SMP diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index ed184106e4cf..ee9082a142fe 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -63,7 +63,7 @@ extern unsigned long initrd_end; extern int initrd_below_start_ok; #endif -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF void *dtb_start = __dtb_start; #endif @@ -125,7 +125,7 @@ __tagtable(BP_TAG_INITRD, parse_tag_initrd); #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF static int __init parse_tag_fdt(const bp_tag_t *tag) { @@ -135,7 +135,7 @@ static int __init parse_tag_fdt(const bp_tag_t *tag) __tagtable(BP_TAG_FDT, parse_tag_fdt); -#endif /* CONFIG_OF */ +#endif /* CONFIG_USE_OF */ static int __init parse_tag_cmdline(const bp_tag_t* tag) { @@ -183,7 +183,7 @@ static int __init parse_bootparam(const bp_tag_t *tag) } #endif -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF #if !XCHAL_HAVE_PTP_MMU || XCHAL_HAVE_SPANNING_WAY unsigned long xtensa_kio_paddr = XCHAL_KIO_DEFAULT_PADDR; @@ -232,7 +232,7 @@ void __init early_init_devtree(void *params) strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE); } -#endif /* CONFIG_OF */ +#endif /* CONFIG_USE_OF */ /* * Initialize architecture. (Early stage) @@ -253,7 +253,7 @@ void __init init_arch(bp_tag_t *bp_start) if (bp_start) parse_bootparam(bp_start); -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF early_init_devtree(dtb_start); #endif diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index 7e4d97dc8bd8..38acda4f04e8 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -101,7 +101,7 @@ void init_mmu(void) void init_kio(void) { -#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_OF) +#if XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY && defined(CONFIG_USE_OF) /* * Update the IO area mapping in case xtensa_kio_paddr has changed */ diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 4f7d6142d41f..538e6748e85a 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -51,8 +51,12 @@ void platform_power_off(void) void platform_restart(void) { - /* Flush and reset the mmu, simulate a processor reset, and - * jump to the reset vector. */ + /* Try software reset first. */ + WRITE_ONCE(*(u32 *)XTFPGA_SWRST_VADDR, 0xdead); + + /* If software reset did not work, flush and reset the mmu, + * simulate a processor reset, and jump to the reset vector. + */ cpu_reset(); /* control never gets here */ } @@ -66,7 +70,7 @@ void __init platform_calibrate_ccount(void) #endif -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF static void __init xtfpga_clk_setup(struct device_node *np) { @@ -284,4 +288,4 @@ static int __init xtavnet_init(void) */ arch_initcall(xtavnet_init); -#endif /* CONFIG_OF */ +#endif /* CONFIG_USE_OF */ diff --git a/block/bdev.c b/block/bdev.c index cf2780cb44a7..485a258b0ab3 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -490,7 +490,6 @@ struct block_device *bdev_alloc(struct gendisk *disk, u8 partno) bdev = I_BDEV(inode); mutex_init(&bdev->bd_fsfreeze_mutex); spin_lock_init(&bdev->bd_size_lock); - bdev->bd_disk = disk; bdev->bd_partno = partno; bdev->bd_inode = inode; bdev->bd_stats = alloc_percpu(struct disk_stats); @@ -498,6 +497,7 @@ struct block_device *bdev_alloc(struct gendisk *disk, u8 partno) iput(inode); return NULL; } + bdev->bd_disk = disk; return bdev; } diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index dd13c2bbc29c..480e1a134859 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2662,15 +2662,6 @@ bfq_setup_merge(struct bfq_queue *bfqq, struct bfq_queue *new_bfqq) * are likely to increase the throughput. */ bfqq->new_bfqq = new_bfqq; - /* - * The above assignment schedules the following redirections: - * each time some I/O for bfqq arrives, the process that - * generated that I/O is disassociated from bfqq and - * associated with new_bfqq. Here we increases new_bfqq->ref - * in advance, adding the number of processes that are - * expected to be associated with new_bfqq as they happen to - * issue I/O. - */ new_bfqq->ref += process_refs; return new_bfqq; } @@ -2733,10 +2724,6 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, { struct bfq_queue *in_service_bfqq, *new_bfqq; - /* if a merge has already been setup, then proceed with that first */ - if (bfqq->new_bfqq) - return bfqq->new_bfqq; - /* * Check delayed stable merge for rotational or non-queueing * devs. For this branch to be executed, bfqq must not be @@ -2838,6 +2825,9 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, if (bfq_too_late_for_merging(bfqq)) return NULL; + if (bfqq->new_bfqq) + return bfqq->new_bfqq; + if (!io_struct || unlikely(bfqq == &bfqd->oom_bfqq)) return NULL; diff --git a/block/bio.c b/block/bio.c index 5df3dd282e40..a6fb6a0b4295 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1466,7 +1466,7 @@ again: if (!bio_integrity_endio(bio)) return; - if (bio->bi_bdev) + if (bio->bi_bdev && bio_flagged(bio, BIO_TRACKED)) rq_qos_done_bio(bio->bi_bdev->bd_disk->queue, bio); if (bio->bi_bdev && bio_flagged(bio, BIO_TRACE_COMPLETION)) { diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 3c88a79a319b..38b9f7684952 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1182,10 +1182,6 @@ int blkcg_init_queue(struct request_queue *q) if (preloaded) radix_tree_preload_end(); - ret = blk_iolatency_init(q); - if (ret) - goto err_destroy_all; - ret = blk_ioprio_init(q); if (ret) goto err_destroy_all; @@ -1194,6 +1190,12 @@ int blkcg_init_queue(struct request_queue *q) if (ret) goto err_destroy_all; + ret = blk_iolatency_init(q); + if (ret) { + blk_throtl_exit(q); + goto err_destroy_all; + } + return 0; err_destroy_all: @@ -1364,10 +1366,14 @@ enomem: /* alloc failed, nothing's initialized yet, free everything */ spin_lock_irq(&q->queue_lock); list_for_each_entry(blkg, &q->blkg_list, q_node) { + struct blkcg *blkcg = blkg->blkcg; + + spin_lock(&blkcg->lock); if (blkg->pd[pol->plid]) { pol->pd_free_fn(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; } + spin_unlock(&blkcg->lock); } spin_unlock_irq(&q->queue_lock); ret = -ENOMEM; @@ -1399,12 +1405,16 @@ void blkcg_deactivate_policy(struct request_queue *q, __clear_bit(pol->plid, q->blkcg_pols); list_for_each_entry(blkg, &q->blkg_list, q_node) { + struct blkcg *blkcg = blkg->blkcg; + + spin_lock(&blkcg->lock); if (blkg->pd[pol->plid]) { if (pol->pd_offline_fn) pol->pd_offline_fn(blkg->pd[pol->plid]); pol->pd_free_fn(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; } + spin_unlock(&blkcg->lock); } spin_unlock_irq(&q->queue_lock); diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 69a12177dfb6..16d5d5338392 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -426,8 +426,15 @@ EXPORT_SYMBOL(blk_integrity_register); */ void blk_integrity_unregister(struct gendisk *disk) { + struct blk_integrity *bi = &disk->queue->integrity; + + if (!bi->profile) + return; + + /* ensure all bios are off the integrity workqueue */ + blk_flush_integrity(); blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue); - memset(&disk->queue->integrity, 0, sizeof(struct blk_integrity)); + memset(bi, 0, sizeof(*bi)); } EXPORT_SYMBOL(blk_integrity_unregister); diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 4b66d2776eda..3b38d15723de 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -129,6 +129,7 @@ static const char *const blk_queue_flag_name[] = { QUEUE_FLAG_NAME(PCI_P2PDMA), QUEUE_FLAG_NAME(ZONE_RESETALL), QUEUE_FLAG_NAME(RQ_ALLOC_TIME), + QUEUE_FLAG_NAME(HCTX_ACTIVE), QUEUE_FLAG_NAME(NOWAIT), }; #undef QUEUE_FLAG_NAME diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index 86f87346232a..ff5caeb82542 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -208,7 +208,7 @@ static struct request *blk_mq_find_and_get_req(struct blk_mq_tags *tags, spin_lock_irqsave(&tags->lock, flags); rq = tags->rqs[bitnr]; - if (!rq || !refcount_inc_not_zero(&rq->ref)) + if (!rq || rq->tag != bitnr || !refcount_inc_not_zero(&rq->ref)) rq = NULL; spin_unlock_irqrestore(&tags->lock, flags); return rq; diff --git a/block/bsg.c b/block/bsg.c index 351095193788..882f56bff14f 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -165,13 +165,20 @@ static const struct file_operations bsg_fops = { .llseek = default_llseek, }; +static void bsg_device_release(struct device *dev) +{ + struct bsg_device *bd = container_of(dev, struct bsg_device, device); + + ida_simple_remove(&bsg_minor_ida, MINOR(bd->device.devt)); + kfree(bd); +} + void bsg_unregister_queue(struct bsg_device *bd) { if (bd->queue->kobj.sd) sysfs_remove_link(&bd->queue->kobj, "bsg"); cdev_device_del(&bd->cdev, &bd->device); - ida_simple_remove(&bsg_minor_ida, MINOR(bd->device.devt)); - kfree(bd); + put_device(&bd->device); } EXPORT_SYMBOL_GPL(bsg_unregister_queue); @@ -193,11 +200,13 @@ struct bsg_device *bsg_register_queue(struct request_queue *q, if (ret < 0) { if (ret == -ENOSPC) dev_err(parent, "bsg: too many bsg devices\n"); - goto out_kfree; + kfree(bd); + return ERR_PTR(ret); } bd->device.devt = MKDEV(bsg_major, ret); bd->device.class = bsg_class; bd->device.parent = parent; + bd->device.release = bsg_device_release; dev_set_name(&bd->device, "%s", name); device_initialize(&bd->device); @@ -205,7 +214,7 @@ struct bsg_device *bsg_register_queue(struct request_queue *q, bd->cdev.owner = THIS_MODULE; ret = cdev_device_add(&bd->cdev, &bd->device); if (ret) - goto out_ida_remove; + goto out_put_device; if (q->kobj.sd) { ret = sysfs_create_link(&q->kobj, &bd->device.kobj, "bsg"); @@ -217,10 +226,8 @@ struct bsg_device *bsg_register_queue(struct request_queue *q, out_device_del: cdev_device_del(&bd->cdev, &bd->device); -out_ida_remove: - ida_simple_remove(&bsg_minor_ida, MINOR(bd->device.devt)); -out_kfree: - kfree(bd); +out_put_device: + put_device(&bd->device); return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(bsg_register_queue); diff --git a/block/fops.c b/block/fops.c index ffce6f6c68dd..1e970c247e0e 100644 --- a/block/fops.c +++ b/block/fops.c @@ -14,6 +14,7 @@ #include <linux/task_io_accounting_ops.h> #include <linux/falloc.h> #include <linux/suspend.h> +#include <linux/fs.h> #include "blk.h" static struct inode *bdev_file_inode(struct file *file) @@ -553,7 +554,8 @@ static ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to) static long blkdev_fallocate(struct file *file, int mode, loff_t start, loff_t len) { - struct block_device *bdev = I_BDEV(bdev_file_inode(file)); + struct inode *inode = bdev_file_inode(file); + struct block_device *bdev = I_BDEV(inode); loff_t end = start + len - 1; loff_t isize; int error; @@ -580,10 +582,12 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, if ((start | len) & (bdev_logical_block_size(bdev) - 1)) return -EINVAL; + filemap_invalidate_lock(inode->i_mapping); + /* Invalidate the page cache, including dirty pages. */ error = truncate_bdev_range(bdev, file->f_mode, start, end); if (error) - return error; + goto fail; switch (mode) { case FALLOC_FL_ZERO_RANGE: @@ -600,17 +604,12 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, GFP_KERNEL, 0); break; default: - return -EOPNOTSUPP; + error = -EOPNOTSUPP; } - if (error) - return error; - /* - * Invalidate the page cache again; if someone wandered in and dirtied - * a page, we just discard it - userspace has no way of knowing whether - * the write happened before or after discard completing... - */ - return truncate_bdev_range(bdev, file->f_mode, start, end); + fail: + filemap_invalidate_unlock(inode->i_mapping); + return error; } const struct file_operations def_blk_fops = { diff --git a/block/genhd.c b/block/genhd.c index 7b6e5e1cf956..496e8458c357 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -1268,6 +1268,7 @@ struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id, out_destroy_part_tbl: xa_destroy(&disk->part_tbl); + disk->part0->bd_disk = NULL; iput(disk->part0->bd_inode); out_free_bdi: bdi_put(disk->bdi); diff --git a/drivers/Kconfig b/drivers/Kconfig index 30d2db37cc87..0d399ddaa185 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -17,6 +17,8 @@ source "drivers/bus/Kconfig" source "drivers/connector/Kconfig" +source "drivers/firmware/Kconfig" + source "drivers/gnss/Kconfig" source "drivers/mtd/Kconfig" diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index a3ef6cce644c..7dd80acf92c7 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3007,6 +3007,18 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, ndr_desc->target_node = NUMA_NO_NODE; } + /* Fallback to address based numa information if node lookup failed */ + if (ndr_desc->numa_node == NUMA_NO_NODE) { + ndr_desc->numa_node = memory_add_physaddr_to_nid(spa->address); + dev_info(acpi_desc->dev, "changing numa node from %d to %d for nfit region [%pa-%pa]", + NUMA_NO_NODE, ndr_desc->numa_node, &res.start, &res.end); + } + if (ndr_desc->target_node == NUMA_NO_NODE) { + ndr_desc->target_node = phys_to_target_node(spa->address); + dev_info(acpi_desc->dev, "changing target node from %d to %d for nfit region [%pa-%pa]", + NUMA_NO_NODE, ndr_desc->numa_node, &res.start, &res.end); + } + /* * Persistence domain bits are hierarchical, if * ACPI_NFIT_CAPABILITY_CACHE_FLUSH is set then diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index a43f1521efe6..45c5c0e45e33 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -284,8 +284,7 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size) #define should_use_kmap(pfn) page_is_ram(pfn) #endif -static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz, - bool memory) +static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz) { unsigned long pfn; @@ -295,8 +294,7 @@ static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz, return NULL; return (void __iomem __force *)kmap(pfn_to_page(pfn)); } else - return memory ? acpi_os_memmap(pg_off, pg_sz) : - acpi_os_ioremap(pg_off, pg_sz); + return acpi_os_ioremap(pg_off, pg_sz); } static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) @@ -311,10 +309,9 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) } /** - * __acpi_os_map_iomem - Get a virtual address for a given physical address range. + * acpi_os_map_iomem - Get a virtual address for a given physical address range. * @phys: Start of the physical address range to map. * @size: Size of the physical address range to map. - * @memory: true if remapping memory, false if IO * * Look up the given physical address range in the list of existing ACPI memory * mappings. If found, get a reference to it and return a pointer to it (its @@ -324,8 +321,8 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) * During early init (when acpi_permanent_mmap has not been set yet) this * routine simply calls __acpi_map_table() to get the job done. */ -static void __iomem __ref -*__acpi_os_map_iomem(acpi_physical_address phys, acpi_size size, bool memory) +void __iomem __ref +*acpi_os_map_iomem(acpi_physical_address phys, acpi_size size) { struct acpi_ioremap *map; void __iomem *virt; @@ -356,7 +353,7 @@ static void __iomem __ref pg_off = round_down(phys, PAGE_SIZE); pg_sz = round_up(phys + size, PAGE_SIZE) - pg_off; - virt = acpi_map(phys, size, memory); + virt = acpi_map(phys, size); if (!virt) { mutex_unlock(&acpi_ioremap_lock); kfree(map); @@ -375,17 +372,11 @@ out: mutex_unlock(&acpi_ioremap_lock); return map->virt + (phys - map->phys); } - -void __iomem *__ref -acpi_os_map_iomem(acpi_physical_address phys, acpi_size size) -{ - return __acpi_os_map_iomem(phys, size, false); -} EXPORT_SYMBOL_GPL(acpi_os_map_iomem); void *__ref acpi_os_map_memory(acpi_physical_address phys, acpi_size size) { - return (void *)__acpi_os_map_iomem(phys, size, true); + return (void *)acpi_os_map_iomem(phys, size); } EXPORT_SYMBOL_GPL(acpi_os_map_memory); diff --git a/drivers/android/binder.c b/drivers/android/binder.c index d9030cb6b1e4..9edacc8b9768 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -1852,6 +1852,7 @@ static void binder_deferred_fd_close(int fd) } static void binder_transaction_buffer_release(struct binder_proc *proc, + struct binder_thread *thread, struct binder_buffer *buffer, binder_size_t failed_at, bool is_failure) @@ -2011,8 +2012,16 @@ static void binder_transaction_buffer_release(struct binder_proc *proc, &proc->alloc, &fd, buffer, offset, sizeof(fd)); WARN_ON(err); - if (!err) + if (!err) { binder_deferred_fd_close(fd); + /* + * Need to make sure the thread goes + * back to userspace to complete the + * deferred close + */ + if (thread) + thread->looper_need_return = true; + } } } break; default: @@ -3038,9 +3047,8 @@ static void binder_transaction(struct binder_proc *proc, if (reply) { binder_enqueue_thread_work(thread, tcomplete); binder_inner_proc_lock(target_proc); - if (target_thread->is_dead || target_proc->is_frozen) { - return_error = target_thread->is_dead ? - BR_DEAD_REPLY : BR_FROZEN_REPLY; + if (target_thread->is_dead) { + return_error = BR_DEAD_REPLY; binder_inner_proc_unlock(target_proc); goto err_dead_proc_or_thread; } @@ -3105,7 +3113,7 @@ err_bad_parent: err_copy_data_failed: binder_free_txn_fixups(t); trace_binder_transaction_failed_buffer_release(t->buffer); - binder_transaction_buffer_release(target_proc, t->buffer, + binder_transaction_buffer_release(target_proc, NULL, t->buffer, buffer_offset, true); if (target_node) binder_dec_node_tmpref(target_node); @@ -3184,7 +3192,9 @@ err_invalid_target_handle: * Cleanup buffer and free it. */ static void -binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer) +binder_free_buf(struct binder_proc *proc, + struct binder_thread *thread, + struct binder_buffer *buffer) { binder_inner_proc_lock(proc); if (buffer->transaction) { @@ -3212,7 +3222,7 @@ binder_free_buf(struct binder_proc *proc, struct binder_buffer *buffer) binder_node_inner_unlock(buf_node); } trace_binder_transaction_buffer_release(buffer); - binder_transaction_buffer_release(proc, buffer, 0, false); + binder_transaction_buffer_release(proc, thread, buffer, 0, false); binder_alloc_free_buf(&proc->alloc, buffer); } @@ -3414,7 +3424,7 @@ static int binder_thread_write(struct binder_proc *proc, proc->pid, thread->pid, (u64)data_ptr, buffer->debug_id, buffer->transaction ? "active" : "finished"); - binder_free_buf(proc, buffer); + binder_free_buf(proc, thread, buffer); break; } @@ -4107,7 +4117,7 @@ retry: buffer->transaction = NULL; binder_cleanup_transaction(t, "fd fixups failed", BR_FAILED_REPLY); - binder_free_buf(proc, buffer); + binder_free_buf(proc, thread, buffer); binder_debug(BINDER_DEBUG_FAILED_TRANSACTION, "%d:%d %stransaction %d fd fixups failed %d/%d, line %d\n", proc->pid, thread->pid, @@ -4648,6 +4658,22 @@ static int binder_ioctl_get_node_debug_info(struct binder_proc *proc, return 0; } +static bool binder_txns_pending_ilocked(struct binder_proc *proc) +{ + struct rb_node *n; + struct binder_thread *thread; + + if (proc->outstanding_txns > 0) + return true; + + for (n = rb_first(&proc->threads); n; n = rb_next(n)) { + thread = rb_entry(n, struct binder_thread, rb_node); + if (thread->transaction_stack) + return true; + } + return false; +} + static int binder_ioctl_freeze(struct binder_freeze_info *info, struct binder_proc *target_proc) { @@ -4679,8 +4705,13 @@ static int binder_ioctl_freeze(struct binder_freeze_info *info, (!target_proc->outstanding_txns), msecs_to_jiffies(info->timeout_ms)); - if (!ret && target_proc->outstanding_txns) - ret = -EAGAIN; + /* Check pending transactions that wait for reply */ + if (ret >= 0) { + binder_inner_proc_lock(target_proc); + if (binder_txns_pending_ilocked(target_proc)) + ret = -EAGAIN; + binder_inner_proc_unlock(target_proc); + } if (ret < 0) { binder_inner_proc_lock(target_proc); @@ -4696,6 +4727,7 @@ static int binder_ioctl_get_freezer_info( { struct binder_proc *target_proc; bool found = false; + __u32 txns_pending; info->sync_recv = 0; info->async_recv = 0; @@ -4705,7 +4737,9 @@ static int binder_ioctl_get_freezer_info( if (target_proc->pid == info->pid) { found = true; binder_inner_proc_lock(target_proc); - info->sync_recv |= target_proc->sync_recv; + txns_pending = binder_txns_pending_ilocked(target_proc); + info->sync_recv |= target_proc->sync_recv | + (txns_pending << 1); info->async_recv |= target_proc->async_recv; binder_inner_proc_unlock(target_proc); } diff --git a/drivers/android/binder_internal.h b/drivers/android/binder_internal.h index 810c0b84d3f8..402c4d4362a8 100644 --- a/drivers/android/binder_internal.h +++ b/drivers/android/binder_internal.h @@ -378,6 +378,8 @@ struct binder_ref { * binder transactions * (protected by @inner_lock) * @sync_recv: process received sync transactions since last frozen + * bit 0: received sync transaction after being frozen + * bit 1: new pending sync transaction during freezing * (protected by @inner_lock) * @async_recv: process received async transactions since last frozen * (protected by @inner_lock) diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c index 46c503486e96..00fb4120a5b3 100644 --- a/drivers/base/arch_numa.c +++ b/drivers/base/arch_numa.c @@ -264,7 +264,7 @@ void __init numa_free_distance(void) size = numa_distance_cnt * numa_distance_cnt * sizeof(numa_distance[0]); - memblock_free(__pa(numa_distance), size); + memblock_free_ptr(numa_distance, size); numa_distance_cnt = 0; numa_distance = NULL; } diff --git a/drivers/base/core.c b/drivers/base/core.c index e65dd803a453..15986cc2fe5e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -95,6 +95,8 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup) list_add(&link->s_hook, &sup->consumers); list_add(&link->c_hook, &con->suppliers); + pr_debug("%pfwP Linked as a fwnode consumer to %pfwP\n", + con, sup); out: mutex_unlock(&fwnode_link_lock); @@ -102,6 +104,21 @@ out: } /** + * __fwnode_link_del - Delete a link between two fwnode_handles. + * @link: the fwnode_link to be deleted + * + * The fwnode_link_lock needs to be held when this function is called. + */ +static void __fwnode_link_del(struct fwnode_link *link) +{ + pr_debug("%pfwP Dropping the fwnode link to %pfwP\n", + link->consumer, link->supplier); + list_del(&link->s_hook); + list_del(&link->c_hook); + kfree(link); +} + +/** * fwnode_links_purge_suppliers - Delete all supplier links of fwnode_handle. * @fwnode: fwnode whose supplier links need to be deleted * @@ -112,11 +129,8 @@ static void fwnode_links_purge_suppliers(struct fwnode_handle *fwnode) struct fwnode_link *link, *tmp; mutex_lock(&fwnode_link_lock); - list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) { - list_del(&link->s_hook); - list_del(&link->c_hook); - kfree(link); - } + list_for_each_entry_safe(link, tmp, &fwnode->suppliers, c_hook) + __fwnode_link_del(link); mutex_unlock(&fwnode_link_lock); } @@ -131,11 +145,8 @@ static void fwnode_links_purge_consumers(struct fwnode_handle *fwnode) struct fwnode_link *link, *tmp; mutex_lock(&fwnode_link_lock); - list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) { - list_del(&link->s_hook); - list_del(&link->c_hook); - kfree(link); - } + list_for_each_entry_safe(link, tmp, &fwnode->consumers, s_hook) + __fwnode_link_del(link); mutex_unlock(&fwnode_link_lock); } @@ -975,6 +986,7 @@ int device_links_check_suppliers(struct device *dev) { struct device_link *link; int ret = 0; + struct fwnode_handle *sup_fw; /* * Device waiting for supplier to become available is not allowed to @@ -983,10 +995,11 @@ int device_links_check_suppliers(struct device *dev) mutex_lock(&fwnode_link_lock); if (dev->fwnode && !list_empty(&dev->fwnode->suppliers) && !fw_devlink_is_permissive()) { - dev_dbg(dev, "probe deferral - wait for supplier %pfwP\n", - list_first_entry(&dev->fwnode->suppliers, - struct fwnode_link, - c_hook)->supplier); + sup_fw = list_first_entry(&dev->fwnode->suppliers, + struct fwnode_link, + c_hook)->supplier; + dev_err_probe(dev, -EPROBE_DEFER, "wait for supplier %pfwP\n", + sup_fw); mutex_unlock(&fwnode_link_lock); return -EPROBE_DEFER; } @@ -1001,8 +1014,9 @@ int device_links_check_suppliers(struct device *dev) if (link->status != DL_STATE_AVAILABLE && !(link->flags & DL_FLAG_SYNC_STATE_ONLY)) { device_links_missing_supplier(dev); - dev_dbg(dev, "probe deferral - supplier %s not ready\n", - dev_name(link->supplier)); + dev_err_probe(dev, -EPROBE_DEFER, + "supplier %s not ready\n", + dev_name(link->supplier)); ret = -EPROBE_DEFER; break; } @@ -1722,6 +1736,25 @@ static int fw_devlink_create_devlink(struct device *con, struct device *sup_dev; int ret = 0; + /* + * In some cases, a device P might also be a supplier to its child node + * C. However, this would defer the probe of C until the probe of P + * completes successfully. This is perfectly fine in the device driver + * model. device_add() doesn't guarantee probe completion of the device + * by the time it returns. + * + * However, there are a few drivers that assume C will finish probing + * as soon as it's added and before P finishes probing. So, we provide + * a flag to let fw_devlink know not to delay the probe of C until the + * probe of P completes successfully. + * + * When such a flag is set, we can't create device links where P is the + * supplier of C as that would delay the probe of C. + */ + if (sup_handle->flags & FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD && + fwnode_is_ancestor_of(sup_handle, con->fwnode)) + return -EINVAL; + sup_dev = get_dev_from_fwnode(sup_handle); if (sup_dev) { /* @@ -1772,14 +1805,21 @@ static int fw_devlink_create_devlink(struct device *con, * be broken by applying logic. Check for these types of cycles and * break them so that devices in the cycle probe properly. * - * If the supplier's parent is dependent on the consumer, then - * the consumer-supplier dependency is a false dependency. So, - * treat it as an invalid link. + * If the supplier's parent is dependent on the consumer, then the + * consumer and supplier have a cyclic dependency. Since fw_devlink + * can't tell which of the inferred dependencies are incorrect, don't + * enforce probe ordering between any of the devices in this cyclic + * dependency. Do this by relaxing all the fw_devlink device links in + * this cycle and by treating the fwnode link between the consumer and + * the supplier as an invalid dependency. */ sup_dev = fwnode_get_next_parent_dev(sup_handle); if (sup_dev && device_is_dependent(con, sup_dev)) { - dev_dbg(con, "Not linking to %pfwP - False link\n", - sup_handle); + dev_info(con, "Fixing up cyclic dependency with %pfwP (%s)\n", + sup_handle, dev_name(sup_dev)); + device_links_write_lock(); + fw_devlink_relax_cycle(con, sup_dev); + device_links_write_unlock(); ret = -EINVAL; } else { /* @@ -1858,9 +1898,7 @@ static void __fw_devlink_link_to_consumers(struct device *dev) if (!own_link || ret == -EAGAIN) continue; - list_del(&link->s_hook); - list_del(&link->c_hook); - kfree(link); + __fwnode_link_del(link); } } @@ -1912,9 +1950,7 @@ static void __fw_devlink_link_to_suppliers(struct device *dev, if (!own_link || ret == -EAGAIN) continue; - list_del(&link->s_hook); - list_del(&link->c_hook); - kfree(link); + __fwnode_link_del(link); /* If no device link was created, nothing more to do. */ if (ret) diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c index a97f33d0c59f..94665037f4a3 100644 --- a/drivers/base/power/trace.c +++ b/drivers/base/power/trace.c @@ -13,6 +13,7 @@ #include <linux/export.h> #include <linux/rtc.h> #include <linux/suspend.h> +#include <linux/init.h> #include <linux/mc146818rtc.h> @@ -165,6 +166,9 @@ void generate_pm_trace(const void *tracedata, unsigned int user) const char *file = *(const char **)(tracedata + 2); unsigned int user_hash_value, file_hash_value; + if (!x86_platform.legacy.rtc) + return; + user_hash_value = user % USERHASH; file_hash_value = hash_string(lineno, file, FILEHASH); set_magic_time(user_hash_value, file_hash_value, dev_hash_value); @@ -267,6 +271,9 @@ static struct notifier_block pm_trace_nb = { static int __init early_resume_init(void) { + if (!x86_platform.legacy.rtc) + return 0; + hash_value_early_read = read_magic_time(); register_pm_notifier(&pm_trace_nb); return 0; @@ -277,6 +284,9 @@ static int __init late_resume_init(void) unsigned int val = hash_value_early_read; unsigned int user, file, dev; + if (!x86_platform.legacy.rtc) + return 0; + user = val % USERHASH; val = val / USERHASH; file = val % FILEHASH; diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 7bd0f3cfb7eb..c46f6a8e14d2 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -1116,6 +1116,9 @@ int device_create_managed_software_node(struct device *dev, to_swnode(fwnode)->managed = true; set_secondary_fwnode(dev, fwnode); + if (device_is_registered(dev)) + software_node_notify(dev); + return 0; } EXPORT_SYMBOL_GPL(device_create_managed_software_node); diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 5170a630778d..1183f7872b71 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -97,13 +97,18 @@ struct nbd_config { atomic_t recv_threads; wait_queue_head_t recv_wq; - loff_t blksize; + unsigned int blksize_bits; loff_t bytesize; #if IS_ENABLED(CONFIG_DEBUG_FS) struct dentry *dbg_dir; #endif }; +static inline unsigned int nbd_blksize(struct nbd_config *config) +{ + return 1u << config->blksize_bits; +} + struct nbd_device { struct blk_mq_tag_set tag_set; @@ -146,7 +151,7 @@ static struct dentry *nbd_dbg_dir; #define NBD_MAGIC 0x68797548 -#define NBD_DEF_BLKSIZE 1024 +#define NBD_DEF_BLKSIZE_BITS 10 static unsigned int nbds_max = 16; static int max_part = 16; @@ -317,12 +322,12 @@ static int nbd_set_size(struct nbd_device *nbd, loff_t bytesize, loff_t blksize) { if (!blksize) - blksize = NBD_DEF_BLKSIZE; + blksize = 1u << NBD_DEF_BLKSIZE_BITS; if (blksize < 512 || blksize > PAGE_SIZE || !is_power_of_2(blksize)) return -EINVAL; nbd->config->bytesize = bytesize; - nbd->config->blksize = blksize; + nbd->config->blksize_bits = __ffs(blksize); if (!nbd->task_recv) return 0; @@ -1337,7 +1342,7 @@ static int nbd_start_device(struct nbd_device *nbd) args->index = i; queue_work(nbd->recv_workq, &args->work); } - return nbd_set_size(nbd, config->bytesize, config->blksize); + return nbd_set_size(nbd, config->bytesize, nbd_blksize(config)); } static int nbd_start_device_ioctl(struct nbd_device *nbd, struct block_device *bdev) @@ -1406,11 +1411,11 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, case NBD_SET_BLKSIZE: return nbd_set_size(nbd, config->bytesize, arg); case NBD_SET_SIZE: - return nbd_set_size(nbd, arg, config->blksize); + return nbd_set_size(nbd, arg, nbd_blksize(config)); case NBD_SET_SIZE_BLOCKS: - if (check_mul_overflow((loff_t)arg, config->blksize, &bytesize)) + if (check_shl_overflow(arg, config->blksize_bits, &bytesize)) return -EINVAL; - return nbd_set_size(nbd, bytesize, config->blksize); + return nbd_set_size(nbd, bytesize, nbd_blksize(config)); case NBD_SET_TIMEOUT: nbd_set_cmd_timeout(nbd, arg); return 0; @@ -1476,7 +1481,7 @@ static struct nbd_config *nbd_alloc_config(void) atomic_set(&config->recv_threads, 0); init_waitqueue_head(&config->recv_wq); init_waitqueue_head(&config->conn_wait); - config->blksize = NBD_DEF_BLKSIZE; + config->blksize_bits = NBD_DEF_BLKSIZE_BITS; atomic_set(&config->live_connections, 0); try_module_get(THIS_MODULE); return config; @@ -1604,7 +1609,7 @@ static int nbd_dev_dbg_init(struct nbd_device *nbd) debugfs_create_file("tasks", 0444, dir, nbd, &nbd_dbg_tasks_fops); debugfs_create_u64("size_bytes", 0444, dir, &config->bytesize); debugfs_create_u32("timeout", 0444, dir, &nbd->tag_set.timeout); - debugfs_create_u64("blocksize", 0444, dir, &config->blksize); + debugfs_create_u32("blocksize_bits", 0444, dir, &config->blksize_bits); debugfs_create_file("flags", 0444, dir, nbd, &nbd_dbg_flags_fops); return 0; @@ -1826,7 +1831,7 @@ nbd_device_policy[NBD_DEVICE_ATTR_MAX + 1] = { static int nbd_genl_size_set(struct genl_info *info, struct nbd_device *nbd) { struct nbd_config *config = nbd->config; - u64 bsize = config->blksize; + u64 bsize = nbd_blksize(config); u64 bytes = config->bytesize; if (info->attrs[NBD_ATTR_SIZE_BYTES]) @@ -1835,7 +1840,7 @@ static int nbd_genl_size_set(struct genl_info *info, struct nbd_device *nbd) if (info->attrs[NBD_ATTR_BLOCK_SIZE_BYTES]) bsize = nla_get_u64(info->attrs[NBD_ATTR_BLOCK_SIZE_BYTES]); - if (bytes != config->bytesize || bsize != config->blksize) + if (bytes != config->bytesize || bsize != nbd_blksize(config)) return nbd_set_size(nbd, bytes, bsize); return 0; } diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index a51c2a8feed9..6a8b7fb5be58 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1464,6 +1464,9 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { /* Quirks that need to be set based on detected module */ SYSC_QUIRK("aess", 0, 0, 0x10, -ENODEV, 0x40000000, 0xffffffff, SYSC_MODULE_QUIRK_AESS), + /* Errata i893 handling for dra7 dcan1 and 2 */ + SYSC_QUIRK("dcan", 0x4ae3c000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, + SYSC_QUIRK_CLKDM_NOAUTO), SYSC_QUIRK("dcan", 0x48480000, 0x20, -ENODEV, -ENODEV, 0xa3170504, 0xffffffff, SYSC_QUIRK_CLKDM_NOAUTO), SYSC_QUIRK("dss", 0x4832a000, 0, 0x10, 0x14, 0x00000020, 0xffffffff, @@ -2954,6 +2957,7 @@ static int sysc_init_soc(struct sysc *ddata) break; case SOC_AM3: sysc_add_disabled(0x48310000); /* rng */ + break; default: break; } diff --git a/drivers/comedi/comedi_fops.c b/drivers/comedi/comedi_fops.c index df77b6bf5c64..763cea8418f8 100644 --- a/drivers/comedi/comedi_fops.c +++ b/drivers/comedi/comedi_fops.c @@ -3090,6 +3090,7 @@ static int compat_insnlist(struct file *file, unsigned long arg) mutex_lock(&dev->mutex); rc = do_insnlist_ioctl(dev, insns, insnlist32.n_insns, file); mutex_unlock(&dev->mutex); + kfree(insns); return rc; } diff --git a/drivers/cpufreq/cpufreq_governor_attr_set.c b/drivers/cpufreq/cpufreq_governor_attr_set.c index 66b05a326910..a6f365b9cc1a 100644 --- a/drivers/cpufreq/cpufreq_governor_attr_set.c +++ b/drivers/cpufreq/cpufreq_governor_attr_set.c @@ -74,8 +74,8 @@ unsigned int gov_attr_set_put(struct gov_attr_set *attr_set, struct list_head *l if (count) return count; - kobject_put(&attr_set->kobj); mutex_destroy(&attr_set->update_lock); + kobject_put(&attr_set->kobj); return 0; } EXPORT_SYMBOL_GPL(gov_attr_set_put); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 1097f826ad70..8c176b7dae41 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -3205,11 +3205,15 @@ static int __init intel_pstate_init(void) if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL) return -ENODEV; - if (no_load) - return -ENODEV; - id = x86_match_cpu(hwp_support_ids); if (id) { + bool hwp_forced = intel_pstate_hwp_is_enabled(); + + if (hwp_forced) + pr_info("HWP enabled by BIOS\n"); + else if (no_load) + return -ENODEV; + copy_cpu_funcs(&core_funcs); /* * Avoid enabling HWP for processors without EPP support, @@ -3219,8 +3223,7 @@ static int __init intel_pstate_init(void) * If HWP is enabled already, though, there is no choice but to * deal with it. */ - if ((!no_hwp && boot_cpu_has(X86_FEATURE_HWP_EPP)) || - intel_pstate_hwp_is_enabled()) { + if ((!no_hwp && boot_cpu_has(X86_FEATURE_HWP_EPP)) || hwp_forced) { hwp_active++; hwp_mode_bdw = id->driver_data; intel_pstate.attr = hwp_cpufreq_attrs; @@ -3235,7 +3238,11 @@ static int __init intel_pstate_init(void) goto hwp_cpu_matched; } + pr_info("HWP not enabled\n"); } else { + if (no_load) + return -ENODEV; + id = x86_match_cpu(intel_pstate_cpu_ids); if (!id) { pr_info("CPU model not supported\n"); @@ -3314,10 +3321,9 @@ static int __init intel_pstate_setup(char *str) else if (!strcmp(str, "passive")) default_driver = &intel_cpufreq; - if (!strcmp(str, "no_hwp")) { - pr_info("HWP disabled\n"); + if (!strcmp(str, "no_hwp")) no_hwp = 1; - } + if (!strcmp(str, "force")) force_load = 1; if (!strcmp(str, "hwp_only")) diff --git a/drivers/cpufreq/vexpress-spc-cpufreq.c b/drivers/cpufreq/vexpress-spc-cpufreq.c index 284b6bd040b1..d295f405c4bb 100644 --- a/drivers/cpufreq/vexpress-spc-cpufreq.c +++ b/drivers/cpufreq/vexpress-spc-cpufreq.c @@ -451,7 +451,6 @@ static int ve_spc_cpufreq_init(struct cpufreq_policy *policy) static int ve_spc_cpufreq_exit(struct cpufreq_policy *policy) { struct device *cpu_dev; - int cur_cluster = cpu_to_cluster(policy->cpu); cpu_dev = get_cpu_device(policy->cpu); if (!cpu_dev) { diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index bb88198c874e..aa4e1a500691 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -778,7 +778,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) in_place ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE); if (ret) - goto e_ctx; + goto e_aad; if (in_place) { dst = src; @@ -863,7 +863,7 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) op.u.aes.size = 0; ret = cmd_q->ccp->vdata->perform->aes(&op); if (ret) - goto e_dst; + goto e_final_wa; if (aes->action == CCP_AES_ACTION_ENCRYPT) { /* Put the ciphered tag after the ciphertext. */ @@ -873,17 +873,19 @@ ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) ret = ccp_init_dm_workarea(&tag, cmd_q, authsize, DMA_BIDIRECTIONAL); if (ret) - goto e_tag; + goto e_final_wa; ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize); - if (ret) - goto e_tag; + if (ret) { + ccp_dm_free(&tag); + goto e_final_wa; + } ret = crypto_memneq(tag.address, final_wa.address, authsize) ? -EBADMSG : 0; ccp_dm_free(&tag); } -e_tag: +e_final_wa: ccp_dm_free(&final_wa); e_dst: diff --git a/drivers/edac/dmc520_edac.c b/drivers/edac/dmc520_edac.c index fc1153ab1ebb..b8a7d9594afd 100644 --- a/drivers/edac/dmc520_edac.c +++ b/drivers/edac/dmc520_edac.c @@ -464,7 +464,7 @@ static void dmc520_init_csrow(struct mem_ctl_info *mci) dimm->grain = pvt->mem_width_in_bytes; dimm->dtype = dt; dimm->mtype = mt; - dimm->edac_mode = EDAC_FLAG_SECDED; + dimm->edac_mode = EDAC_SECDED; dimm->nr_pages = pages_per_rank / csi->nr_channels; } } diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index 7e7146b22c16..7d08627e738b 100644 --- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -782,7 +782,7 @@ static void init_csrows(struct mem_ctl_info *mci) for (j = 0; j < csi->nr_channels; j++) { dimm = csi->channels[j]->dimm; - dimm->edac_mode = EDAC_FLAG_SECDED; + dimm->edac_mode = EDAC_SECDED; dimm->mtype = p_data->get_mtype(priv->baseaddr); dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels; dimm->grain = SYNPS_EDAC_ERR_GRAIN; diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index 220a58cf0a44..cda7d7162cbb 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -203,10 +203,7 @@ config INTEL_STRATIX10_RSU Say Y here if you want Intel RSU support. config QCOM_SCM - tristate "Qcom SCM driver" - depends on ARM || ARM64 - depends on HAVE_ARM_SMCCC - select RESET_CONTROLLER + tristate config QCOM_SCM_DOWNLOAD_MODE_DEFAULT bool "Qualcomm download mode enabled by default" diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig index 7f4d2435503b..3d7081e84853 100644 --- a/drivers/firmware/arm_scmi/Kconfig +++ b/drivers/firmware/arm_scmi/Kconfig @@ -68,7 +68,7 @@ config ARM_SCMI_TRANSPORT_SMC config ARM_SCMI_TRANSPORT_VIRTIO bool "SCMI transport based on VirtIO" - depends on VIRTIO + depends on VIRTIO=y || VIRTIO=ARM_SCMI_PROTOCOL select ARM_SCMI_HAVE_TRANSPORT select ARM_SCMI_HAVE_MSG help diff --git a/drivers/firmware/arm_scmi/virtio.c b/drivers/firmware/arm_scmi/virtio.c index 224577f86928..11e8efb71375 100644 --- a/drivers/firmware/arm_scmi/virtio.c +++ b/drivers/firmware/arm_scmi/virtio.c @@ -110,18 +110,16 @@ static void scmi_finalize_message(struct scmi_vio_channel *vioch, if (vioch->is_rx) { scmi_vio_feed_vq_rx(vioch, msg); } else { - unsigned long flags; - - spin_lock_irqsave(&vioch->lock, flags); + /* Here IRQs are assumed to be already disabled by the caller */ + spin_lock(&vioch->lock); list_add(&msg->list, &vioch->free_list); - spin_unlock_irqrestore(&vioch->lock, flags); + spin_unlock(&vioch->lock); } } static void scmi_vio_complete_cb(struct virtqueue *vqueue) { unsigned long ready_flags; - unsigned long flags; unsigned int length; struct scmi_vio_channel *vioch; struct scmi_vio_msg *msg; @@ -140,7 +138,8 @@ static void scmi_vio_complete_cb(struct virtqueue *vqueue) goto unlock_ready_out; } - spin_lock_irqsave(&vioch->lock, flags); + /* IRQs already disabled here no need to irqsave */ + spin_lock(&vioch->lock); if (cb_enabled) { virtqueue_disable_cb(vqueue); cb_enabled = false; @@ -151,7 +150,7 @@ static void scmi_vio_complete_cb(struct virtqueue *vqueue) goto unlock_out; cb_enabled = true; } - spin_unlock_irqrestore(&vioch->lock, flags); + spin_unlock(&vioch->lock); if (msg) { msg->rx_len = length; @@ -161,11 +160,18 @@ static void scmi_vio_complete_cb(struct virtqueue *vqueue) scmi_finalize_message(vioch, msg); } + /* + * Release ready_lock and re-enable IRQs between loop iterations + * to allow virtio_chan_free() to possibly kick in and set the + * flag vioch->ready to false even in between processing of + * messages, so as to force outstanding messages to be ignored + * when system is shutting down. + */ spin_unlock_irqrestore(&vioch->ready_lock, ready_flags); } unlock_out: - spin_unlock_irqrestore(&vioch->lock, flags); + spin_unlock(&vioch->lock); unlock_ready_out: spin_unlock_irqrestore(&vioch->ready_lock, ready_flags); } @@ -384,8 +390,11 @@ static int scmi_vio_probe(struct virtio_device *vdev) struct virtqueue *vqs[VIRTIO_SCMI_VQ_MAX_CNT]; /* Only one SCMI VirtiO device allowed */ - if (scmi_vdev) - return -EINVAL; + if (scmi_vdev) { + dev_err(dev, + "One SCMI Virtio device was already initialized: only one allowed.\n"); + return -EBUSY; + } have_vq_rx = scmi_vio_have_vq_rx(vdev); vq_cnt = have_vq_rx ? VIRTIO_SCMI_VQ_MAX_CNT : 1; @@ -428,16 +437,25 @@ static int scmi_vio_probe(struct virtio_device *vdev) } vdev->priv = channels; - scmi_vdev = vdev; + /* Ensure initialized scmi_vdev is visible */ + smp_store_mb(scmi_vdev, vdev); return 0; } static void scmi_vio_remove(struct virtio_device *vdev) { + /* + * Once we get here, virtio_chan_free() will have already been called by + * the SCMI core for any existing channel and, as a consequence, all the + * virtio channels will have been already marked NOT ready, causing any + * outstanding message on any vqueue to be ignored by complete_cb: now + * we can just stop processing buffers and destroy the vqueues. + */ vdev->config->reset(vdev); vdev->config->del_vqs(vdev); - scmi_vdev = NULL; + /* Ensure scmi_vdev is visible as NULL */ + smp_store_mb(scmi_vdev, NULL); } static int scmi_vio_validate(struct virtio_device *vdev) @@ -476,7 +494,7 @@ static int __init virtio_scmi_init(void) return register_virtio_driver(&virtio_scmi_driver); } -static void __exit virtio_scmi_exit(void) +static void virtio_scmi_exit(void) { unregister_virtio_driver(&virtio_scmi_driver); } diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index c99b78ee008a..f86666cf2c6a 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -1019,16 +1019,18 @@ create_feature_instance(struct build_feature_devs_info *binfo, { unsigned int irq_base, nr_irqs; struct dfl_feature_info *finfo; + u8 revision = 0; int ret; - u8 revision; u64 v; - v = readq(binfo->ioaddr + ofst); - revision = FIELD_GET(DFH_REVISION, v); + if (fid != FEATURE_ID_AFU) { + v = readq(binfo->ioaddr + ofst); + revision = FIELD_GET(DFH_REVISION, v); - /* read feature size and id if inputs are invalid */ - size = size ? size : feature_size(v); - fid = fid ? fid : feature_id(v); + /* read feature size and id if inputs are invalid */ + size = size ? size : feature_size(v); + fid = fid ? fid : feature_id(v); + } if (binfo->len - ofst < size) return -EINVAL; diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/machxo2-spi.c index 1afb41aa20d7..ea2ec3c6815c 100644 --- a/drivers/fpga/machxo2-spi.c +++ b/drivers/fpga/machxo2-spi.c @@ -225,8 +225,10 @@ static int machxo2_write_init(struct fpga_manager *mgr, goto fail; get_status(spi, &status); - if (test_bit(FAIL, &status)) + if (test_bit(FAIL, &status)) { + ret = -EINVAL; goto fail; + } dump_status_reg(&status); spi_message_init(&msg); @@ -313,6 +315,7 @@ static int machxo2_write_complete(struct fpga_manager *mgr, dump_status_reg(&status); if (!test_bit(DONE, &status)) { machxo2_cleanup(mgr); + ret = -EINVAL; goto fail; } @@ -335,6 +338,7 @@ static int machxo2_write_complete(struct fpga_manager *mgr, break; if (++refreshloop == MACHXO2_MAX_REFRESH_LOOP) { machxo2_cleanup(mgr); + ret = -EINVAL; goto fail; } } while (1); diff --git a/drivers/gpio/gpio-aspeed-sgpio.c b/drivers/gpio/gpio-aspeed-sgpio.c index 10f303d15225..3d6ef37a7702 100644 --- a/drivers/gpio/gpio-aspeed-sgpio.c +++ b/drivers/gpio/gpio-aspeed-sgpio.c @@ -395,7 +395,7 @@ static void aspeed_sgpio_irq_handler(struct irq_desc *desc) reg = ioread32(bank_reg(data, bank, reg_irq_status)); for_each_set_bit(p, ®, 32) - generic_handle_domain_irq(gc->irq.domain, i * 32 + p); + generic_handle_domain_irq(gc->irq.domain, i * 32 + p * 2); } chained_irq_exit(ic, desc); diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index f5cfc0698799..8ebf369b3ba0 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -468,15 +468,8 @@ static int pca953x_gpio_get_value(struct gpio_chip *gc, unsigned off) mutex_lock(&chip->i2c_lock); ret = regmap_read(chip->regmap, inreg, ®_val); mutex_unlock(&chip->i2c_lock); - if (ret < 0) { - /* - * NOTE: - * diagnostic already emitted; that's all we should - * do unless gpio_*_value_cansleep() calls become different - * from their nonsleeping siblings (and report faults). - */ - return 0; - } + if (ret < 0) + return ret; return !!(reg_val & bit); } diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c index 036b2d959503..ce63cbd14d69 100644 --- a/drivers/gpio/gpio-rockchip.c +++ b/drivers/gpio/gpio-rockchip.c @@ -141,7 +141,7 @@ static int rockchip_gpio_get_direction(struct gpio_chip *chip, u32 data; data = rockchip_gpio_readl_bit(bank, offset, bank->gpio_regs->port_ddr); - if (data & BIT(offset)) + if (data) return GPIO_LINE_DIRECTION_OUT; return GPIO_LINE_DIRECTION_IN; @@ -195,7 +195,7 @@ static int rockchip_gpio_set_debounce(struct gpio_chip *gc, unsigned int cur_div_reg; u64 div; - if (!IS_ERR(bank->db_clk)) { + if (bank->gpio_type == GPIO_TYPE_V2 && !IS_ERR(bank->db_clk)) { div_debounce_support = true; freq = clk_get_rate(bank->db_clk); max_debounce = (GENMASK(23, 0) + 1) * 2 * 1000000 / freq; @@ -689,6 +689,7 @@ static int rockchip_gpio_probe(struct platform_device *pdev) struct device_node *pctlnp = of_get_parent(np); struct pinctrl_dev *pctldev = NULL; struct rockchip_pin_bank *bank = NULL; + struct rockchip_pin_output_deferred *cfg; static int gpio; int id, ret; @@ -716,12 +717,33 @@ static int rockchip_gpio_probe(struct platform_device *pdev) if (ret) return ret; + /* + * Prevent clashes with a deferred output setting + * being added right at this moment. + */ + mutex_lock(&bank->deferred_lock); + ret = rockchip_gpiolib_register(bank); if (ret) { clk_disable_unprepare(bank->clk); + mutex_unlock(&bank->deferred_lock); return ret; } + while (!list_empty(&bank->deferred_output)) { + cfg = list_first_entry(&bank->deferred_output, + struct rockchip_pin_output_deferred, head); + list_del(&cfg->head); + + ret = rockchip_gpio_direction_output(&bank->gpio_chip, cfg->pin, cfg->arg); + if (ret) + dev_warn(dev, "setting output pin %u to %u failed\n", cfg->pin, cfg->arg); + + kfree(cfg); + } + + mutex_unlock(&bank->deferred_lock); + platform_set_drvdata(pdev, bank); dev_info(dev, "probed %pOF\n", np); diff --git a/drivers/gpio/gpio-uniphier.c b/drivers/gpio/gpio-uniphier.c index f99f3c10bed0..39dca147d587 100644 --- a/drivers/gpio/gpio-uniphier.c +++ b/drivers/gpio/gpio-uniphier.c @@ -184,7 +184,7 @@ static void uniphier_gpio_irq_mask(struct irq_data *data) uniphier_gpio_reg_update(priv, UNIPHIER_GPIO_IRQ_EN, mask, 0); - return irq_chip_mask_parent(data); + irq_chip_mask_parent(data); } static void uniphier_gpio_irq_unmask(struct irq_data *data) @@ -194,7 +194,7 @@ static void uniphier_gpio_irq_unmask(struct irq_data *data) uniphier_gpio_reg_update(priv, UNIPHIER_GPIO_IRQ_EN, mask, mask); - return irq_chip_unmask_parent(data); + irq_chip_unmask_parent(data); } static int uniphier_gpio_irq_set_type(struct irq_data *data, unsigned int type) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 411525ac4cc4..47712b6903b5 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -313,9 +313,11 @@ static struct gpio_desc *acpi_request_own_gpiod(struct gpio_chip *chip, ret = gpio_set_debounce_timeout(desc, agpio->debounce_timeout); if (ret) - gpiochip_free_own_desc(desc); + dev_warn(chip->parent, + "Failed to set debounce-timeout for pin 0x%04X, err %d\n", + pin, ret); - return ret ? ERR_PTR(ret) : desc; + return desc; } static bool acpi_gpio_in_ignore_list(const char *controller_in, int pin_in) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index dc3c6b3a00e5..269437b01328 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -758,7 +758,7 @@ enum amd_hw_ip_block_type { MAX_HWIP }; -#define HWIP_MAX_INSTANCE 8 +#define HWIP_MAX_INSTANCE 10 struct amd_powerplay { void *pp_handle; @@ -1087,6 +1087,7 @@ struct amdgpu_device { bool no_hw_access; struct pci_saved_state *pci_state; + pci_channel_state_t pci_channel_state; struct amdgpu_reset_control *reset_cntl; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 3003ee1c9487..1d41c2c00623 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -192,6 +192,16 @@ void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm) kgd2kfd_suspend(adev->kfd.dev, run_pm); } +int amdgpu_amdkfd_resume_iommu(struct amdgpu_device *adev) +{ + int r = 0; + + if (adev->kfd.dev) + r = kgd2kfd_resume_iommu(adev->kfd.dev); + + return r; +} + int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm) { int r = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index ec028cf963f5..3bc52b2c604f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -137,6 +137,7 @@ int amdgpu_amdkfd_init(void); void amdgpu_amdkfd_fini(void); void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm); +int amdgpu_amdkfd_resume_iommu(struct amdgpu_device *adev); int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm); void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, const void *ih_ring_entry); @@ -327,6 +328,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, const struct kgd2kfd_shared_resources *gpu_resources); void kgd2kfd_device_exit(struct kfd_dev *kfd); void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm); +int kgd2kfd_resume_iommu(struct kfd_dev *kfd); int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm); int kgd2kfd_pre_reset(struct kfd_dev *kfd); int kgd2kfd_post_reset(struct kfd_dev *kfd); @@ -365,6 +367,11 @@ static inline void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm) { } +static int __maybe_unused kgd2kfd_resume_iommu(struct kfd_dev *kfd) +{ + return 0; +} + static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm) { return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 2d6b2d77b738..054c1a224def 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -563,6 +563,7 @@ kfd_mem_dmaunmap_userptr(struct kgd_mem *mem, dma_unmap_sgtable(adev->dev, ttm->sg, direction, 0); sg_free_table(ttm->sg); + kfree(ttm->sg); ttm->sg = NULL; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 277128846dd1..463b9c0283f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -1544,20 +1544,18 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) struct dentry *ent; int r, i; - - ent = debugfs_create_file("amdgpu_preempt_ib", 0600, root, adev, &fops_ib_preempt); - if (!ent) { + if (IS_ERR(ent)) { DRM_ERROR("unable to create amdgpu_preempt_ib debugsfs file\n"); - return -EIO; + return PTR_ERR(ent); } ent = debugfs_create_file("amdgpu_force_sclk", 0200, root, adev, &fops_sclk_set); - if (!ent) { + if (IS_ERR(ent)) { DRM_ERROR("unable to create amdgpu_set_sclk debugsfs file\n"); - return -EIO; + return PTR_ERR(ent); } /* Register debugfs entries for amdgpu_ttm */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 41c6b3aacd37..af9bdf16eefd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2432,6 +2432,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) if (!adev->gmc.xgmi.pending_reset) amdgpu_amdkfd_device_init(adev); + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + goto init_failed; + amdgpu_fru_get_product_info(adev); init_failed: @@ -3148,6 +3152,10 @@ static int amdgpu_device_ip_resume(struct amdgpu_device *adev) { int r; + r = amdgpu_amdkfd_resume_iommu(adev); + if (r) + return r; + r = amdgpu_device_ip_resume_phase1(adev); if (r) return r; @@ -4601,6 +4609,10 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, dev_warn(tmp_adev->dev, "asic atom init failed!"); } else { dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n"); + r = amdgpu_amdkfd_resume_iommu(tmp_adev); + if (r) + goto out; + r = amdgpu_device_ip_resume_phase1(tmp_adev); if (r) goto out; @@ -5387,6 +5399,8 @@ pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_sta return PCI_ERS_RESULT_DISCONNECT; } + adev->pci_channel_state = state; + switch (state) { case pci_channel_io_normal: return PCI_ERS_RESULT_CAN_RECOVER; @@ -5529,6 +5543,10 @@ void amdgpu_pci_resume(struct pci_dev *pdev) DRM_INFO("PCI error: resume callback!!\n"); + /* Only continue execution for the case of pci_channel_io_frozen */ + if (adev->pci_channel_state != pci_channel_io_frozen) + return; + for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 7a7316731911..dc50c05f23fc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -837,6 +837,28 @@ static int convert_tiling_flags_to_modifier(struct amdgpu_framebuffer *afb) return 0; } +/* Mirrors the is_displayable check in radeonsi's gfx6_compute_surface */ +static int check_tiling_flags_gfx6(struct amdgpu_framebuffer *afb) +{ + u64 micro_tile_mode; + + /* Zero swizzle mode means linear */ + if (AMDGPU_TILING_GET(afb->tiling_flags, SWIZZLE_MODE) == 0) + return 0; + + micro_tile_mode = AMDGPU_TILING_GET(afb->tiling_flags, MICRO_TILE_MODE); + switch (micro_tile_mode) { + case 0: /* DISPLAY */ + case 3: /* RENDER */ + return 0; + default: + drm_dbg_kms(afb->base.dev, + "Micro tile mode %llu not supported for scanout\n", + micro_tile_mode); + return -EINVAL; + } +} + static void get_block_dimensions(unsigned int block_log2, unsigned int cpp, unsigned int *width, unsigned int *height) { @@ -1103,6 +1125,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj) { + struct amdgpu_device *adev = drm_to_adev(dev); int ret, i; /* @@ -1122,6 +1145,14 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev, if (ret) return ret; + if (!dev->mode_config.allow_fb_modifiers) { + drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI, + "GFX9+ requires FB check based on format modifier\n"); + ret = check_tiling_flags_gfx6(rfb); + if (ret) + return ret; + } + if (dev->mode_config.allow_fb_modifiers && !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) { ret = convert_tiling_flags_to_modifier(rfb); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index e7f06bd0f0cd..1916ec84dd71 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -31,6 +31,8 @@ /* delay 0.1 second to enable gfx off feature */ #define GFX_OFF_DELAY_ENABLE msecs_to_jiffies(100) +#define GFX_OFF_NO_DELAY 0 + /* * GPU GFX IP block helpers function. */ @@ -558,6 +560,8 @@ int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev) void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable) { + unsigned long delay = GFX_OFF_DELAY_ENABLE; + if (!(adev->pm.pp_feature & PP_GFXOFF_MASK)) return; @@ -573,8 +577,14 @@ void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable) adev->gfx.gfx_off_req_count--; - if (adev->gfx.gfx_off_req_count == 0 && !adev->gfx.gfx_off_state) - schedule_delayed_work(&adev->gfx.gfx_off_delay_work, GFX_OFF_DELAY_ENABLE); + if (adev->gfx.gfx_off_req_count == 0 && + !adev->gfx.gfx_off_state) { + /* If going to s2idle, no need to wait */ + if (adev->in_s0ix) + delay = GFX_OFF_NO_DELAY; + schedule_delayed_work(&adev->gfx.gfx_off_delay_work, + delay); + } } else { if (adev->gfx.gfx_off_req_count == 0) { cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index c7797eac83c3..9ff600a38559 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -598,7 +598,7 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev) break; default: adev->gmc.tmz_enabled = false; - dev_warn(adev->dev, + dev_info(adev->dev, "Trusted Memory Zone (TMZ) feature not supported\n"); break; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index dc44c946a244..98732518543e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -757,7 +757,7 @@ Out: return res; } -inline uint32_t amdgpu_ras_eeprom_max_record_count(void) +uint32_t amdgpu_ras_eeprom_max_record_count(void) { return RAS_MAX_RECORD_COUNT; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h index f95fc61b3021..6bb00578bfbb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h @@ -120,7 +120,7 @@ int amdgpu_ras_eeprom_read(struct amdgpu_ras_eeprom_control *control, int amdgpu_ras_eeprom_append(struct amdgpu_ras_eeprom_control *control, struct eeprom_table_record *records, const u32 num); -inline uint32_t amdgpu_ras_eeprom_max_record_count(void); +uint32_t amdgpu_ras_eeprom_max_record_count(void); void amdgpu_ras_debugfs_set_ret_size(struct amdgpu_ras_eeprom_control *control); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 7b634a1517f9..0554576d3695 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -428,8 +428,8 @@ int amdgpu_debugfs_ring_init(struct amdgpu_device *adev, ent = debugfs_create_file(name, S_IFREG | S_IRUGO, root, ring, &amdgpu_debugfs_ring_fops); - if (!ent) - return -ENOMEM; + if (IS_ERR(ent)) + return PTR_ERR(ent); i_size_write(ent->d_inode, ring->ring_size + 12); ring->ent = ent; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 38dade421d46..94126dc39688 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -515,6 +515,15 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, goto out; } + if (bo->type == ttm_bo_type_device && + new_mem->mem_type == TTM_PL_VRAM && + old_mem->mem_type != TTM_PL_VRAM) { + /* amdgpu_bo_fault_reserve_notify will re-set this if the CPU + * accesses the BO after it's moved. + */ + abo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + } + if (adev->mman.buffer_funcs_enabled) { if (((old_mem->mem_type == TTM_PL_SYSTEM && new_mem->mem_type == TTM_PL_VRAM) || @@ -545,15 +554,6 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict, return r; } - if (bo->type == ttm_bo_type_device && - new_mem->mem_type == TTM_PL_VRAM && - old_mem->mem_type != TTM_PL_VRAM) { - /* amdgpu_bo_fault_reserve_notify will re-set this if the CPU - * accesses the BO after it's moved. - */ - abo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; - } - out: /* update statistics */ atomic64_add(bo->base.size, &adev->num_bytes_moved); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 603c259b073b..025184a556ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3599,7 +3599,7 @@ static int gfx_v9_0_mqd_init(struct amdgpu_ring *ring) /* set static priority for a queue/ring */ gfx_v9_0_mqd_set_priority(ring, mqd); - mqd->cp_hqd_quantum = RREG32(mmCP_HQD_QUANTUM); + mqd->cp_hqd_quantum = RREG32_SOC15(GC, 0, mmCP_HQD_QUANTUM); /* map_queues packet doesn't need activate the queue, * so only kiq need set this field. diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 41c3a0d70b7c..e47104a1f559 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -1098,6 +1098,8 @@ static int gmc_v10_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + gmc_v10_0_gart_disable(adev); + if (amdgpu_sriov_vf(adev)) { /* full access mode, so don't touch any GMC register */ DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); @@ -1106,7 +1108,6 @@ static int gmc_v10_0_hw_fini(void *handle) amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); - gmc_v10_0_gart_disable(adev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index d90c16a6b2b8..5551359d5dfd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1794,6 +1794,8 @@ static int gmc_v9_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + gmc_v9_0_gart_disable(adev); + if (amdgpu_sriov_vf(adev)) { /* full access mode, so don't touch any GMC register */ DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); @@ -1802,7 +1804,6 @@ static int gmc_v9_0_hw_fini(void *handle) amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); - gmc_v9_0_gart_disable(adev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 779f5c911e11..e32efcfb0c8b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -868,6 +868,12 @@ static int sdma_v5_2_start(struct amdgpu_device *adev) msleep(1000); } + /* TODO: check whether can submit a doorbell request to raise + * a doorbell fence to exit gfxoff. + */ + if (adev->in_s0ix) + amdgpu_gfx_off_ctrl(adev, false); + sdma_v5_2_soft_reset(adev); /* unhalt the MEs */ sdma_v5_2_enable(adev, true); @@ -876,6 +882,8 @@ static int sdma_v5_2_start(struct amdgpu_device *adev) /* start the gfx rings and rlc compute queues */ r = sdma_v5_2_gfx_resume(adev); + if (adev->in_s0ix) + amdgpu_gfx_off_ctrl(adev, true); if (r) return r; r = sdma_v5_2_rlc_resume(adev); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 16a57b70cc1a..4a416231b24c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -468,6 +468,7 @@ static const struct kfd_device_info navi10_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 145, .num_sdma_engines = 2, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -487,6 +488,7 @@ static const struct kfd_device_info navi12_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 145, .num_sdma_engines = 2, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -506,6 +508,7 @@ static const struct kfd_device_info navi14_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 145, .num_sdma_engines = 2, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -525,6 +528,7 @@ static const struct kfd_device_info sienna_cichlid_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 4, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -544,6 +548,7 @@ static const struct kfd_device_info navy_flounder_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 2, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -562,7 +567,8 @@ static const struct kfd_device_info vangogh_device_info = { .mqd_size_aligned = MQD_SIZE_ALIGNED, .needs_iommu_device = false, .supports_cwsr = true, - .needs_pci_atomics = false, + .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 1, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 2, @@ -582,6 +588,7 @@ static const struct kfd_device_info dimgrey_cavefish_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 2, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -601,6 +608,7 @@ static const struct kfd_device_info beige_goby_device_info = { .needs_iommu_device = false, .supports_cwsr = true, .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 1, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 8, @@ -619,7 +627,8 @@ static const struct kfd_device_info yellow_carp_device_info = { .mqd_size_aligned = MQD_SIZE_ALIGNED, .needs_iommu_device = false, .supports_cwsr = true, - .needs_pci_atomics = false, + .needs_pci_atomics = true, + .no_atomic_fw_version = 92, .num_sdma_engines = 1, .num_xgmi_sdma_engines = 0, .num_sdma_queues_per_engine = 2, @@ -708,20 +717,6 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, if (!kfd) return NULL; - /* Allow BIF to recode atomics to PCIe 3.0 AtomicOps. - * 32 and 64-bit requests are possible and must be - * supported. - */ - kfd->pci_atomic_requested = amdgpu_amdkfd_have_atomics_support(kgd); - if (device_info->needs_pci_atomics && - !kfd->pci_atomic_requested) { - dev_info(kfd_device, - "skipped device %x:%x, PCI rejects atomics\n", - pdev->vendor, pdev->device); - kfree(kfd); - return NULL; - } - kfd->kgd = kgd; kfd->device_info = device_info; kfd->pdev = pdev; @@ -821,6 +816,23 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, kfd->vm_info.vmid_num_kfd = kfd->vm_info.last_vmid_kfd - kfd->vm_info.first_vmid_kfd + 1; + /* Allow BIF to recode atomics to PCIe 3.0 AtomicOps. + * 32 and 64-bit requests are possible and must be + * supported. + */ + kfd->pci_atomic_requested = amdgpu_amdkfd_have_atomics_support(kfd->kgd); + if (!kfd->pci_atomic_requested && + kfd->device_info->needs_pci_atomics && + (!kfd->device_info->no_atomic_fw_version || + kfd->mec_fw_version < kfd->device_info->no_atomic_fw_version)) { + dev_info(kfd_device, + "skipped device %x:%x, PCI rejects atomics %d<%d\n", + kfd->pdev->vendor, kfd->pdev->device, + kfd->mec_fw_version, + kfd->device_info->no_atomic_fw_version); + return false; + } + /* Verify module parameters regarding mapped process number*/ if ((hws_max_conc_proc < 0) || (hws_max_conc_proc > kfd->vm_info.vmid_num_kfd)) { @@ -959,7 +971,6 @@ out: void kgd2kfd_device_exit(struct kfd_dev *kfd) { if (kfd->init_complete) { - svm_migrate_fini((struct amdgpu_device *)kfd->kgd); device_queue_manager_uninit(kfd->dqm); kfd_interrupt_exit(kfd); kfd_topology_remove_device(kfd); @@ -1057,31 +1068,29 @@ int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm) return ret; } -static int kfd_resume(struct kfd_dev *kfd) +int kgd2kfd_resume_iommu(struct kfd_dev *kfd) { int err = 0; err = kfd_iommu_resume(kfd); - if (err) { + if (err) dev_err(kfd_device, "Failed to resume IOMMU for device %x:%x\n", kfd->pdev->vendor, kfd->pdev->device); - return err; - } + return err; +} + +static int kfd_resume(struct kfd_dev *kfd) +{ + int err = 0; err = kfd->dqm->ops.start(kfd->dqm); - if (err) { + if (err) dev_err(kfd_device, "Error starting queue manager for device %x:%x\n", kfd->pdev->vendor, kfd->pdev->device); - goto dqm_start_error; - } return err; - -dqm_start_error: - kfd_iommu_suspend(kfd); - return err; } static inline void kfd_queue_work(struct workqueue_struct *wq, diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index dab290a4d19d..4a16e3c257b9 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -891,9 +891,16 @@ int svm_migrate_init(struct amdgpu_device *adev) pgmap->ops = &svm_migrate_pgmap_ops; pgmap->owner = SVM_ADEV_PGMAP_OWNER(adev); pgmap->flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; + + /* Device manager releases device-specific resources, memory region and + * pgmap when driver disconnects from device. + */ r = devm_memremap_pages(adev->dev, pgmap); if (IS_ERR(r)) { pr_err("failed to register HMM device memory\n"); + + /* Disable SVM support capability */ + pgmap->type = 0; devm_release_mem_region(adev->dev, res->start, res->end - res->start + 1); return PTR_ERR(r); @@ -908,12 +915,3 @@ int svm_migrate_init(struct amdgpu_device *adev) return 0; } - -void svm_migrate_fini(struct amdgpu_device *adev) -{ - struct dev_pagemap *pgmap = &adev->kfd.dev->pgmap; - - devm_memunmap_pages(adev->dev, pgmap); - devm_release_mem_region(adev->dev, pgmap->range.start, - pgmap->range.end - pgmap->range.start + 1); -} diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h index 0de76b5d4973..2f5b3394c9ed 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h @@ -47,7 +47,6 @@ unsigned long svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr); int svm_migrate_init(struct amdgpu_device *adev); -void svm_migrate_fini(struct amdgpu_device *adev); #else @@ -55,10 +54,6 @@ static inline int svm_migrate_init(struct amdgpu_device *adev) { return 0; } -static inline void svm_migrate_fini(struct amdgpu_device *adev) -{ - /* empty */ -} #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index ab83b0de6b22..6d8f9bb2d905 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -207,6 +207,7 @@ struct kfd_device_info { bool supports_cwsr; bool needs_iommu_device; bool needs_pci_atomics; + uint32_t no_atomic_fw_version; unsigned int num_sdma_engines; unsigned int num_xgmi_sdma_engines; unsigned int num_sdma_queues_per_engine; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 9fc8021bb0ab..9d0f65a90002 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -118,6 +118,13 @@ static void svm_range_remove_notifier(struct svm_range *prange) mmu_interval_notifier_remove(&prange->notifier); } +static bool +svm_is_valid_dma_mapping_addr(struct device *dev, dma_addr_t dma_addr) +{ + return dma_addr && !dma_mapping_error(dev, dma_addr) && + !(dma_addr & SVM_RANGE_VRAM_DOMAIN); +} + static int svm_range_dma_map_dev(struct amdgpu_device *adev, struct svm_range *prange, unsigned long offset, unsigned long npages, @@ -139,8 +146,7 @@ svm_range_dma_map_dev(struct amdgpu_device *adev, struct svm_range *prange, addr += offset; for (i = 0; i < npages; i++) { - if (WARN_ONCE(addr[i] && !dma_mapping_error(dev, addr[i]), - "leaking dma mapping\n")) + if (svm_is_valid_dma_mapping_addr(dev, addr[i])) dma_unmap_page(dev, addr[i], PAGE_SIZE, dir); page = hmm_pfn_to_page(hmm_pfns[i]); @@ -209,7 +215,7 @@ void svm_range_dma_unmap(struct device *dev, dma_addr_t *dma_addr, return; for (i = offset; i < offset + npages; i++) { - if (!dma_addr[i] || dma_mapping_error(dev, dma_addr[i])) + if (!svm_is_valid_dma_mapping_addr(dev, dma_addr[i])) continue; pr_debug("dma unmapping 0x%llx\n", dma_addr[i] >> PAGE_SHIFT); dma_unmap_page(dev, dma_addr[i], PAGE_SIZE, dir); @@ -1165,7 +1171,7 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, unsigned long last_start; int last_domain; int r = 0; - int64_t i; + int64_t i, j; last_start = prange->start + offset; @@ -1178,7 +1184,11 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, for (i = offset; i < offset + npages; i++) { last_domain = dma_addr[i] & SVM_RANGE_VRAM_DOMAIN; dma_addr[i] &= ~SVM_RANGE_VRAM_DOMAIN; - if ((prange->start + i) < prange->last && + + /* Collect all pages in the same address range and memory domain + * that can be mapped with a single call to update mapping. + */ + if (i < offset + npages - 1 && last_domain == (dma_addr[i + 1] & SVM_RANGE_VRAM_DOMAIN)) continue; @@ -1201,6 +1211,10 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, NULL, dma_addr, &vm->last_update, &table_freed); + + for (j = last_start - prange->start; j <= i; j++) + dma_addr[j] |= last_domain; + if (r) { pr_debug("failed %d to map to gpu 0x%lx\n", r, prange->start); goto out; diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig index 7dffc04a557e..127667e549c1 100644 --- a/drivers/gpu/drm/amd/display/Kconfig +++ b/drivers/gpu/drm/amd/display/Kconfig @@ -25,6 +25,8 @@ config DRM_AMD_DC_HDCP config DRM_AMD_DC_SI bool "AMD DC support for Southern Islands ASICs" + depends on DRM_AMDGPU_SI + depends on DRM_AMD_DC default n help Choose this option to enable new AMD DC support for SI asics diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9b1fc54555ee..1ea31dcc7a8b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -998,6 +998,8 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_ uint32_t agp_base, agp_bot, agp_top; PHYSICAL_ADDRESS_LOC page_table_start, page_table_end, page_table_base; + memset(pa_config, 0, sizeof(*pa_config)); + logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18; pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); @@ -1113,6 +1115,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) init_data.asic_id.pci_revision_id = adev->pdev->revision; init_data.asic_id.hw_internal_rev = adev->external_rev_id; + init_data.asic_id.chip_id = adev->pdev->device; init_data.asic_id.vram_width = adev->gmc.vram_width; /* TODO: initialize init_data.asic_id.vram_type here!!!! */ @@ -1717,6 +1720,7 @@ static int dm_late_init(void *handle) linear_lut[i] = 0xFFFF * i / 15; params.set = 0; + params.backlight_ramping_override = false; params.backlight_ramping_start = 0xCCCC; params.backlight_ramping_reduction = 0xCCCCCCCC; params.backlight_lut_array_size = 16; @@ -6024,21 +6028,23 @@ static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable) return 0; #if defined(CONFIG_DRM_AMD_DC_DCN) - work = kzalloc(sizeof(*work), GFP_ATOMIC); - if (!work) - return -ENOMEM; + if (dm->vblank_control_workqueue) { + work = kzalloc(sizeof(*work), GFP_ATOMIC); + if (!work) + return -ENOMEM; - INIT_WORK(&work->work, vblank_control_worker); - work->dm = dm; - work->acrtc = acrtc; - work->enable = enable; + INIT_WORK(&work->work, vblank_control_worker); + work->dm = dm; + work->acrtc = acrtc; + work->enable = enable; - if (acrtc_state->stream) { - dc_stream_retain(acrtc_state->stream); - work->stream = acrtc_state->stream; - } + if (acrtc_state->stream) { + dc_stream_retain(acrtc_state->stream); + work->stream = acrtc_state->stream; + } - queue_work(dm->vblank_control_workqueue, &work->work); + queue_work(dm->vblank_control_workqueue, &work->work); + } #endif return 0; @@ -6792,14 +6798,15 @@ const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { #if defined(CONFIG_DRM_AMD_DC_DCN) static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, - struct dc_state *dc_state) + struct dc_state *dc_state, + struct dsc_mst_fairness_vars *vars) { struct dc_stream_state *stream = NULL; struct drm_connector *connector; struct drm_connector_state *new_con_state; struct amdgpu_dm_connector *aconnector; struct dm_connector_state *dm_conn_state; - int i, j, clock, bpp; + int i, j, clock; int vcpi, pbn_div, pbn = 0; for_each_new_connector_in_state(state, connector, new_con_state, i) { @@ -6838,9 +6845,15 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, } pbn_div = dm_mst_get_pbn_divider(stream->link); - bpp = stream->timing.dsc_cfg.bits_per_pixel; clock = stream->timing.pix_clk_100hz / 10; - pbn = drm_dp_calc_pbn_mode(clock, bpp, true); + /* pbn is calculated by compute_mst_dsc_configs_for_state*/ + for (j = 0; j < dc_state->stream_count; j++) { + if (vars[j].aconnector == aconnector) { + pbn = vars[j].pbn; + break; + } + } + vcpi = drm_dp_mst_atomic_enable_dsc(state, aconnector->port, pbn, pbn_div, @@ -7519,6 +7532,32 @@ static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder, } } +static void amdgpu_set_panel_orientation(struct drm_connector *connector) +{ + struct drm_encoder *encoder; + struct amdgpu_encoder *amdgpu_encoder; + const struct drm_display_mode *native_mode; + + if (connector->connector_type != DRM_MODE_CONNECTOR_eDP && + connector->connector_type != DRM_MODE_CONNECTOR_LVDS) + return; + + encoder = amdgpu_dm_connector_to_encoder(connector); + if (!encoder) + return; + + amdgpu_encoder = to_amdgpu_encoder(encoder); + + native_mode = &amdgpu_encoder->native_mode; + if (native_mode->hdisplay == 0 || native_mode->vdisplay == 0) + return; + + drm_connector_set_panel_orientation_with_quirk(connector, + DRM_MODE_PANEL_ORIENTATION_UNKNOWN, + native_mode->hdisplay, + native_mode->vdisplay); +} + static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, struct edid *edid) { @@ -7547,6 +7586,8 @@ static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector, * restored here. */ amdgpu_dm_update_freesync_caps(connector, edid); + + amdgpu_set_panel_orientation(connector); } else { amdgpu_dm_connector->num_modes = 0; } @@ -8058,8 +8099,26 @@ static bool is_content_protection_different(struct drm_connector_state *state, state->content_protection == DRM_MODE_CONTENT_PROTECTION_ENABLED) state->content_protection = DRM_MODE_CONTENT_PROTECTION_DESIRED; - /* Check if something is connected/enabled, otherwise we start hdcp but nothing is connected/enabled - * hot-plug, headless s3, dpms + /* Stream removed and re-enabled + * + * Can sometimes overlap with the HPD case, + * thus set update_hdcp to false to avoid + * setting HDCP multiple times. + * + * Handles: DESIRED -> DESIRED (Special case) + */ + if (!(old_state->crtc && old_state->crtc->enabled) && + state->crtc && state->crtc->enabled && + connector->state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) { + dm_con_state->update_hdcp = false; + return true; + } + + /* Hot-plug, headless s3, dpms + * + * Only start HDCP if the display is connected/enabled. + * update_hdcp flag will be set to false until the next + * HPD comes in. * * Handles: DESIRED -> DESIRED (Special case) */ @@ -8648,7 +8707,8 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state, * If PSR or idle optimizations are enabled then flush out * any pending work before hardware programming. */ - flush_workqueue(dm->vblank_control_workqueue); + if (dm->vblank_control_workqueue) + flush_workqueue(dm->vblank_control_workqueue); #endif bundle->stream_update.stream = acrtc_state->stream; @@ -8983,7 +9043,8 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) /* if there mode set or reset, disable eDP PSR */ if (mode_set_reset_required) { #if defined(CONFIG_DRM_AMD_DC_DCN) - flush_workqueue(dm->vblank_control_workqueue); + if (dm->vblank_control_workqueue) + flush_workqueue(dm->vblank_control_workqueue); #endif amdgpu_dm_psr_disable_all(dm); } @@ -10243,6 +10304,9 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, int ret, i; bool lock_and_validation_needed = false; struct dm_crtc_state *dm_old_crtc_state; +#if defined(CONFIG_DRM_AMD_DC_DCN) + struct dsc_mst_fairness_vars vars[MAX_PIPES]; +#endif trace_amdgpu_dm_atomic_check_begin(state); @@ -10473,10 +10537,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; #if defined(CONFIG_DRM_AMD_DC_DCN) - if (!compute_mst_dsc_configs_for_state(state, dm_state->context)) + if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars)) goto fail; - ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context); + ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars); if (ret) goto fail; #endif @@ -10492,7 +10556,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; status = dc_validate_global_state(dc, dm_state->context, false); if (status != DC_OK) { - DC_LOG_WARNING("DC global validation failure: %s (%d)", + drm_dbg_atomic(dev, + "DC global validation failure: %s (%d)", dc_status_to_str(status), status); ret = -EINVAL; goto fail; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 1bcba6943fd7..7af0d58c231b 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -518,12 +518,7 @@ struct dsc_mst_fairness_params { uint32_t num_slices_h; uint32_t num_slices_v; uint32_t bpp_overwrite; -}; - -struct dsc_mst_fairness_vars { - int pbn; - bool dsc_enabled; - int bpp_x16; + struct amdgpu_dm_connector *aconnector; }; static int kbps_to_peak_pbn(int kbps) @@ -750,12 +745,12 @@ static void try_disable_dsc(struct drm_atomic_state *state, static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, struct dc_state *dc_state, - struct dc_link *dc_link) + struct dc_link *dc_link, + struct dsc_mst_fairness_vars *vars) { int i; struct dc_stream_state *stream; struct dsc_mst_fairness_params params[MAX_PIPES]; - struct dsc_mst_fairness_vars vars[MAX_PIPES]; struct amdgpu_dm_connector *aconnector; int count = 0; bool debugfs_overwrite = false; @@ -776,6 +771,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, params[count].timing = &stream->timing; params[count].sink = stream->sink; aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; + params[count].aconnector = aconnector; params[count].port = aconnector->port; params[count].clock_force_enable = aconnector->dsc_settings.dsc_force_enable; if (params[count].clock_force_enable == DSC_CLK_FORCE_ENABLE) @@ -798,6 +794,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, } /* Try no compression */ for (i = 0; i < count; i++) { + vars[i].aconnector = params[i].aconnector; vars[i].pbn = kbps_to_peak_pbn(params[i].bw_range.stream_kbps); vars[i].dsc_enabled = false; vars[i].bpp_x16 = 0; @@ -851,7 +848,8 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, } bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, - struct dc_state *dc_state) + struct dc_state *dc_state, + struct dsc_mst_fairness_vars *vars) { int i, j; struct dc_stream_state *stream; @@ -882,7 +880,7 @@ bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, return false; mutex_lock(&aconnector->mst_mgr.lock); - if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link)) { + if (!compute_mst_dsc_configs_for_link(state, dc_state, stream->link, vars)) { mutex_unlock(&aconnector->mst_mgr.lock); return false; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h index b38bd68121ce..900d3f7a8498 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h @@ -39,8 +39,17 @@ void dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev); #if defined(CONFIG_DRM_AMD_DC_DCN) + +struct dsc_mst_fairness_vars { + int pbn; + bool dsc_enabled; + int bpp_x16; + struct amdgpu_dm_connector *aconnector; +}; + bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state, - struct dc_state *dc_state); + struct dc_state *dc_state, + struct dsc_mst_fairness_vars *vars); #endif #endif diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c index c9f47d167472..b1bf80da3a55 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c @@ -62,7 +62,7 @@ inline void dc_assert_fp_enabled(void) depth = *pcpu; put_cpu_ptr(&fpu_recursion_depth); - ASSERT(depth > 1); + ASSERT(depth >= 1); } /** diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 8bd7f42a8053..1e44b13c1c7d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2586,13 +2586,21 @@ static struct abm *get_abm_from_stream_res(const struct dc_link *link) int dc_link_get_backlight_level(const struct dc_link *link) { - struct abm *abm = get_abm_from_stream_res(link); + struct panel_cntl *panel_cntl = link->panel_cntl; + struct dc *dc = link->ctx->dc; + struct dmcu *dmcu = dc->res_pool->dmcu; + bool fw_set_brightness = true; - if (abm == NULL || abm->funcs->get_current_backlight == NULL) - return DC_ERROR_UNEXPECTED; + if (dmcu) + fw_set_brightness = dmcu->funcs->is_dmcu_initialized(dmcu); - return (int) abm->funcs->get_current_backlight(abm); + if (!fw_set_brightness && panel_cntl->funcs->get_current_backlight) + return panel_cntl->funcs->get_current_backlight(panel_cntl); + else if (abm != NULL && abm->funcs->get_current_backlight != NULL) + return (int) abm->funcs->get_current_backlight(abm); + else + return DC_ERROR_UNEXPECTED; } int dc_link_get_target_backlight_pwm(const struct dc_link *link) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 330edd666b7d..6d655e158267 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1,4 +1,26 @@ -/* Copyright 2015 Advanced Micro Devices, Inc. */ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + */ #include "dm_services.h" #include "dc.h" #include "dc_link_dp.h" @@ -1284,12 +1306,6 @@ static void override_training_settings( { uint32_t lane; - /* Override link settings */ - if (link->preferred_link_setting.link_rate != LINK_RATE_UNKNOWN) - lt_settings->link_settings.link_rate = link->preferred_link_setting.link_rate; - if (link->preferred_link_setting.lane_count != LANE_COUNT_UNKNOWN) - lt_settings->link_settings.lane_count = link->preferred_link_setting.lane_count; - /* Override link spread */ if (!link->dp_ss_off && overrides->downspread != NULL) lt_settings->link_settings.link_spread = *overrides->downspread ? @@ -1804,14 +1820,13 @@ bool perform_link_training_with_retries( if (panel_mode == DP_PANEL_MODE_EDP) { struct cp_psp *cp_psp = &stream->ctx->cp_psp; - if (cp_psp && cp_psp->funcs.enable_assr) { - if (!cp_psp->funcs.enable_assr(cp_psp->handle, link)) { - /* since eDP implies ASSR on, change panel - * mode to disable ASSR - */ - panel_mode = DP_PANEL_MODE_DEFAULT; - } - } + if (cp_psp && cp_psp->funcs.enable_assr) + /* ASSR is bound to fail with unsigned PSP + * verstage used during devlopment phase. + * Report and continue with eDP panel mode to + * perform eDP link training with right settings + */ + cp_psp->funcs.enable_assr(cp_psp->handle, link); } #endif @@ -1840,9 +1855,13 @@ bool perform_link_training_with_retries( dp_disable_link_phy(link, signal); /* Abort link training if failure due to sink being unplugged. */ - if (status == LINK_TRAINING_ABORT) - break; - else if (do_fallback) { + if (status == LINK_TRAINING_ABORT) { + enum dc_connection_type type = dc_connection_none; + + dc_link_detect_sink(link, &type); + if (type == dc_connection_none) + break; + } else if (do_fallback) { decide_fallback_link_setting(*link_setting, ¤t_setting, status); /* Fail link training if reduced link bandwidth no longer meets * stream requirements. diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index e14f99b4b0c3..3c3347341103 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -42,7 +42,7 @@ #define DC_LOGGER \ engine->ctx->logger -#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */ +#define DC_TRACE_LEVEL_MESSAGE(...) do { } while (0) #define IS_DC_I2CAUX_LOGGING_ENABLED() (false) #define LOG_FLAG_Error_I2cAux LOG_ERROR #define LOG_FLAG_I2cAux_DceAux LOG_I2C_AUX @@ -76,7 +76,7 @@ enum { #define DEFAULT_AUX_ENGINE_MULT 0 #define DEFAULT_AUX_ENGINE_LENGTH 69 -#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */ +#define DC_TRACE_LEVEL_MESSAGE(...) do { } while (0) static void release_engine( struct dce_aux *engine) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c index e92339235863..e8570060d007 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c @@ -49,7 +49,6 @@ static unsigned int dce_get_16_bit_backlight_from_pwm(struct panel_cntl *panel_cntl) { uint64_t current_backlight; - uint32_t round_result; uint32_t bl_period, bl_int_count; uint32_t bl_pwm, fractional_duty_cycle_en; uint32_t bl_period_mask, bl_pwm_mask; @@ -84,15 +83,6 @@ static unsigned int dce_get_16_bit_backlight_from_pwm(struct panel_cntl *panel_c current_backlight = div_u64(current_backlight, bl_period); current_backlight = (current_backlight + 1) >> 1; - current_backlight = (uint64_t)(current_backlight) * bl_period; - - round_result = (uint32_t)(current_backlight & 0xFFFFFFFF); - - round_result = (round_result >> (bl_int_count-1)) & 1; - - current_backlight >>= bl_int_count; - current_backlight += round_result; - return (uint32_t)(current_backlight); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h index d8b22618b79e..c337588231ff 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h @@ -118,6 +118,7 @@ struct dcn10_link_enc_registers { uint32_t RDPCSTX_PHY_CNTL4; uint32_t RDPCSTX_PHY_CNTL5; uint32_t RDPCSTX_PHY_CNTL6; + uint32_t RDPCSPIPE_PHY_CNTL6; uint32_t RDPCSTX_PHY_CNTL7; uint32_t RDPCSTX_PHY_CNTL8; uint32_t RDPCSTX_PHY_CNTL9; diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c index 90127c1f9e35..b0892443fbd5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c @@ -37,6 +37,7 @@ #include "link_enc_cfg.h" #include "dc_dmub_srv.h" +#include "dal_asic_id.h" #define CTX \ enc10->base.ctx @@ -62,6 +63,10 @@ #define AUX_REG_WRITE(reg_name, val) \ dm_write_reg(CTX, AUX_REG(reg_name), val) +#ifndef MIN +#define MIN(X, Y) ((X) < (Y) ? (X) : (Y)) +#endif + void dcn31_link_encoder_set_dio_phy_mux( struct link_encoder *enc, enum encoder_type_select sel, @@ -215,8 +220,8 @@ static const struct link_encoder_funcs dcn31_link_enc_funcs = { .fec_is_active = enc2_fec_is_active, .get_dig_frontend = dcn10_get_dig_frontend, .get_dig_mode = dcn10_get_dig_mode, - .is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode, - .get_max_link_cap = dcn20_link_encoder_get_max_link_cap, + .is_in_alt_mode = dcn31_link_encoder_is_in_alt_mode, + .get_max_link_cap = dcn31_link_encoder_get_max_link_cap, .set_dio_phy_mux = dcn31_link_encoder_set_dio_phy_mux, }; @@ -404,3 +409,60 @@ void dcn31_link_encoder_disable_output( } } +bool dcn31_link_encoder_is_in_alt_mode(struct link_encoder *enc) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + uint32_t dp_alt_mode_disable; + bool is_usb_c_alt_mode = false; + + if (enc->features.flags.bits.DP_IS_USB_C) { + if (enc->ctx->asic_id.hw_internal_rev != YELLOW_CARP_B0) { + // [Note] no need to check hw_internal_rev once phy mux selection is ready + REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); + } else { + /* + * B0 phys use a new set of registers to check whether alt mode is disabled. + * if value == 1 alt mode is disabled, otherwise it is enabled. + */ + if ((enc10->base.transmitter == TRANSMITTER_UNIPHY_A) + || (enc10->base.transmitter == TRANSMITTER_UNIPHY_B) + || (enc10->base.transmitter == TRANSMITTER_UNIPHY_E)) { + REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); + } else { + // [Note] need to change TRANSMITTER_UNIPHY_C/D to F/G once phy mux selection is ready + REG_GET(RDPCSPIPE_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable); + } + } + + is_usb_c_alt_mode = (dp_alt_mode_disable == 0); + } + + return is_usb_c_alt_mode; +} + +void dcn31_link_encoder_get_max_link_cap(struct link_encoder *enc, + struct dc_link_settings *link_settings) +{ + struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc); + uint32_t is_in_usb_c_dp4_mode = 0; + + dcn10_link_encoder_get_max_link_cap(enc, link_settings); + + /* in usb c dp2 mode, max lane count is 2 */ + if (enc->funcs->is_in_alt_mode && enc->funcs->is_in_alt_mode(enc)) { + if (enc->ctx->asic_id.hw_internal_rev != YELLOW_CARP_B0) { + // [Note] no need to check hw_internal_rev once phy mux selection is ready + REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &is_in_usb_c_dp4_mode); + } else { + if ((enc10->base.transmitter == TRANSMITTER_UNIPHY_A) + || (enc10->base.transmitter == TRANSMITTER_UNIPHY_B) + || (enc10->base.transmitter == TRANSMITTER_UNIPHY_E)) { + REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &is_in_usb_c_dp4_mode); + } else { + REG_GET(RDPCSPIPE_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &is_in_usb_c_dp4_mode); + } + } + if (!is_in_usb_c_dp4_mode) + link_settings->lane_count = MIN(LANE_COUNT_TWO, link_settings->lane_count); + } +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.h index 32d146312838..3454f1e7c1f1 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.h @@ -69,6 +69,7 @@ SRI(RDPCSTX_PHY_CNTL4, RDPCSTX, id), \ SRI(RDPCSTX_PHY_CNTL5, RDPCSTX, id), \ SRI(RDPCSTX_PHY_CNTL6, RDPCSTX, id), \ + SRI(RDPCSPIPE_PHY_CNTL6, RDPCSPIPE, id), \ SRI(RDPCSTX_PHY_CNTL7, RDPCSTX, id), \ SRI(RDPCSTX_PHY_CNTL8, RDPCSTX, id), \ SRI(RDPCSTX_PHY_CNTL9, RDPCSTX, id), \ @@ -115,7 +116,9 @@ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_TX2_MPLL_EN, mask_sh),\ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DP_TX3_MPLL_EN, mask_sh),\ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, mask_sh),\ - LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, mask_sh),\ + LE_SF(RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, mask_sh),\ + LE_SF(RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, mask_sh),\ + LE_SF(RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE_ACK, mask_sh),\ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL7, RDPCS_PHY_DP_MPLLB_FRACN_QUOT, mask_sh),\ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL7, RDPCS_PHY_DP_MPLLB_FRACN_DEN, mask_sh),\ LE_SF(RDPCSTX0_RDPCSTX_PHY_CNTL8, RDPCS_PHY_DP_MPLLB_SSC_PEAK, mask_sh),\ @@ -243,4 +246,13 @@ void dcn31_link_encoder_disable_output( struct link_encoder *enc, enum signal_type signal); +/* + * Check whether USB-C DP Alt mode is disabled + */ +bool dcn31_link_encoder_is_in_alt_mode( + struct link_encoder *enc); + +void dcn31_link_encoder_get_max_link_cap(struct link_encoder *enc, + struct dc_link_settings *link_settings); + #endif /* __DC_LINK_ENCODER__DCN31_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index a7702d3c75cd..0006bbac466c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -928,7 +928,7 @@ static const struct dc_debug_options debug_defaults_drv = { .disable_dcc = DCC_ENABLE, .vsr_support = true, .performance_trace = false, - .max_downscale_src_width = 7680,/*upto 8K*/ + .max_downscale_src_width = 3840,/*upto 4K*/ .disable_pplib_wm_range = false, .scl_reset_length10 = true, .sanity_checks = false, @@ -1284,6 +1284,12 @@ static struct stream_encoder *dcn31_stream_encoder_create( if (!enc1 || !vpg || !afmt) return NULL; + if (ctx->asic_id.chip_family == FAMILY_YELLOW_CARP && + ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) { + if ((eng_id == ENGINE_ID_DIGC) || (eng_id == ENGINE_ID_DIGD)) + eng_id = eng_id + 3; // For B0 only. C->F, D->G. + } + dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id, vpg, afmt, &stream_enc_regs[eng_id], diff --git a/drivers/gpu/drm/amd/display/include/dal_asic_id.h b/drivers/gpu/drm/amd/display/include/dal_asic_id.h index 381c17caace1..5adc471bef57 100644 --- a/drivers/gpu/drm/amd/display/include/dal_asic_id.h +++ b/drivers/gpu/drm/amd/display/include/dal_asic_id.h @@ -227,7 +227,7 @@ enum { #define FAMILY_YELLOW_CARP 146 #define YELLOW_CARP_A0 0x01 -#define YELLOW_CARP_B0 0x02 // TODO: DCN31 - update with correct B0 ID +#define YELLOW_CARP_B0 0x1A #define YELLOW_CARP_UNKNOWN 0xFF #ifndef ASICREV_IS_YELLOW_CARP diff --git a/drivers/gpu/drm/amd/include/asic_reg/dpcs/dpcs_4_2_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/dpcs/dpcs_4_2_0_offset.h index 92caf8441d1e..01a56556cde1 100644 --- a/drivers/gpu/drm/amd/include/asic_reg/dpcs/dpcs_4_2_0_offset.h +++ b/drivers/gpu/drm/amd/include/asic_reg/dpcs/dpcs_4_2_0_offset.h @@ -11932,5 +11932,32 @@ #define ixDPCSSYS_CR4_RAWLANEX_DIG_PCS_XF_RX_OVRD_OUT_2 0xe0c7 #define ixDPCSSYS_CR4_RAWLANEX_DIG_PCS_XF_TX_OVRD_IN_2 0xe0c8 +//RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6 +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DP4__SHIFT 0x10 +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE__SHIFT 0x11 +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_ACK__SHIFT 0x12 +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DP4_MASK 0x00010000L +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_MASK 0x00020000L +#define RDPCSPIPE0_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_ACK_MASK 0x00040000L + +//RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6 +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DP4__SHIFT 0x10 +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE__SHIFT 0x11 +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_ACK__SHIFT 0x12 +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DP4_MASK 0x00010000L +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_MASK 0x00020000L +#define RDPCSPIPE1_RDPCSPIPE_PHY_CNTL6__RDPCS_PHY_DPALT_DISABLE_ACK_MASK 0x00040000L + +//[Note] Hack. RDPCSPIPE only has 2 instances. +#define regRDPCSPIPE0_RDPCSPIPE_PHY_CNTL6 0x2d73 +#define regRDPCSPIPE0_RDPCSPIPE_PHY_CNTL6_BASE_IDX 2 +#define regRDPCSPIPE1_RDPCSPIPE_PHY_CNTL6 0x2e4b +#define regRDPCSPIPE1_RDPCSPIPE_PHY_CNTL6_BASE_IDX 2 +#define regRDPCSPIPE2_RDPCSPIPE_PHY_CNTL6 0x2d73 +#define regRDPCSPIPE2_RDPCSPIPE_PHY_CNTL6_BASE_IDX 2 +#define regRDPCSPIPE3_RDPCSPIPE_PHY_CNTL6 0x2e4b +#define regRDPCSPIPE3_RDPCSPIPE_PHY_CNTL6_BASE_IDX 2 +#define regRDPCSPIPE4_RDPCSPIPE_PHY_CNTL6 0x2d73 +#define regRDPCSPIPE4_RDPCSPIPE_PHY_CNTL6_BASE_IDX 2 #endif diff --git a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h index 8a08ecc34c69..4884a4e1f261 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h +++ b/drivers/gpu/drm/amd/pm/inc/smu11_driver_if_cyan_skillfish.h @@ -33,63 +33,47 @@ #define TABLE_PMSTATUSLOG 3 // Called by Tools for Agm logging #define TABLE_DPMCLOCKS 4 // Called by Driver; defined here, but not used, for backward compatible #define TABLE_MOMENTARY_PM 5 // Called by Tools; defined here, but not used, for backward compatible -#define TABLE_COUNT 6 +#define TABLE_SMU_METRICS 6 // Called by Driver +#define TABLE_COUNT 7 -#define NUM_DSPCLK_LEVELS 8 -#define NUM_SOCCLK_DPM_LEVELS 8 -#define NUM_DCEFCLK_DPM_LEVELS 4 -#define NUM_FCLK_DPM_LEVELS 4 -#define NUM_MEMCLK_DPM_LEVELS 4 +typedef struct SmuMetricsTable_t { + //CPU status + uint16_t CoreFrequency[6]; //[MHz] + uint32_t CorePower[6]; //[mW] + uint16_t CoreTemperature[6]; //[centi-Celsius] + uint16_t L3Frequency[2]; //[MHz] + uint16_t L3Temperature[2]; //[centi-Celsius] + uint16_t C0Residency[6]; //Percentage -#define NUMBER_OF_PSTATES 8 -#define NUMBER_OF_CORES 8 + // GFX status + uint16_t GfxclkFrequency; //[MHz] + uint16_t GfxTemperature; //[centi-Celsius] -typedef enum { - S3_TYPE_ENTRY, - S5_TYPE_ENTRY, -} Sleep_Type_e; + // SOC IP info + uint16_t SocclkFrequency; //[MHz] + uint16_t VclkFrequency; //[MHz] + uint16_t DclkFrequency; //[MHz] + uint16_t MemclkFrequency; //[MHz] -typedef enum { - GFX_OFF = 0, - GFX_ON = 1, -} GFX_Mode_e; + // power, VF info for CPU/GFX telemetry rails, and then socket power total + uint32_t Voltage[2]; //[mV] indices: VDDCR_VDD, VDDCR_GFX + uint32_t Current[2]; //[mA] indices: VDDCR_VDD, VDDCR_GFX + uint32_t Power[2]; //[mW] indices: VDDCR_VDD, VDDCR_GFX + uint32_t CurrentSocketPower; //[mW] -typedef enum { - CPU_P0 = 0, - CPU_P1, - CPU_P2, - CPU_P3, - CPU_P4, - CPU_P5, - CPU_P6, - CPU_P7 -} CPU_PState_e; + uint16_t SocTemperature; //[centi-Celsius] + uint16_t EdgeTemperature; + uint16_t ThrottlerStatus; + uint16_t Spare; -typedef enum { - CPU_CORE0 = 0, - CPU_CORE1, - CPU_CORE2, - CPU_CORE3, - CPU_CORE4, - CPU_CORE5, - CPU_CORE6, - CPU_CORE7 -} CORE_ID_e; +} SmuMetricsTable_t; -typedef enum { - DF_DPM0 = 0, - DF_DPM1, - DF_DPM2, - DF_DPM3, - DF_PState_Count -} DF_PState_e; - -typedef enum { - GFX_DPM0 = 0, - GFX_DPM1, - GFX_DPM2, - GFX_DPM3, - GFX_PState_Count -} GFX_PState_e; +typedef struct SmuMetrics_t { + SmuMetricsTable_t Current; + SmuMetricsTable_t Average; + uint32_t SampleStartTime; + uint32_t SampleStopTime; + uint32_t Accnt; +} SmuMetrics_t; #endif diff --git a/drivers/gpu/drm/amd/pm/inc/smu_types.h b/drivers/gpu/drm/amd/pm/inc/smu_types.h index 6f1b1b50d527..18b862a90fbe 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_types.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_types.h @@ -226,7 +226,10 @@ __SMU_DUMMY_MAP(SetUclkDpmMode), \ __SMU_DUMMY_MAP(LightSBR), \ __SMU_DUMMY_MAP(GfxDriverResetRecovery), \ - __SMU_DUMMY_MAP(BoardPowerCalibration), + __SMU_DUMMY_MAP(BoardPowerCalibration), \ + __SMU_DUMMY_MAP(RequestGfxclk), \ + __SMU_DUMMY_MAP(ForceGfxVid), \ + __SMU_DUMMY_MAP(UnforceGfxVid), #undef __SMU_DUMMY_MAP #define __SMU_DUMMY_MAP(type) SMU_MSG_##type diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h b/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h index 6e6088760b18..909a86aa60f3 100644 --- a/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h +++ b/drivers/gpu/drm/amd/pm/inc/smu_v11_8_ppsmc.h @@ -65,6 +65,13 @@ #define PPSMC_MSG_SetDriverTableVMID 0x34 #define PPSMC_MSG_SetSoftMinCclk 0x35 #define PPSMC_MSG_SetSoftMaxCclk 0x36 -#define PPSMC_Message_Count 0x37 +#define PPSMC_MSG_GetGfxFrequency 0x37 +#define PPSMC_MSG_GetGfxVid 0x38 +#define PPSMC_MSG_ForceGfxFreq 0x39 +#define PPSMC_MSG_UnForceGfxFreq 0x3A +#define PPSMC_MSG_ForceGfxVid 0x3B +#define PPSMC_MSG_UnforceGfxVid 0x3C +#define PPSMC_MSG_GetEnabledSmuFeatures 0x3D +#define PPSMC_Message_Count 0x3E #endif diff --git a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c index bdbbeb959c68..81f82aa05ec2 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c +++ b/drivers/gpu/drm/amd/pm/powerplay/si_dpm.c @@ -6867,6 +6867,8 @@ static int si_dpm_enable(struct amdgpu_device *adev) si_enable_auto_throttle_source(adev, AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL, true); si_thermal_start_thermal_controller(adev); + ni_update_current_ps(adev, boot_ps); + return 0; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index 3ab1ce4d3419..04863a797115 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -1404,7 +1404,7 @@ static int smu_disable_dpms(struct smu_context *smu) */ if (smu->uploading_custom_pp_table && (adev->asic_type >= CHIP_NAVI10) && - (adev->asic_type <= CHIP_DIMGREY_CAVEFISH)) + (adev->asic_type <= CHIP_BEIGE_GOBY)) return smu_disable_all_features_with_exception(smu, true, SMU_FEATURE_COUNT); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c index e343cc218990..082f01893f3d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c @@ -771,8 +771,12 @@ static int arcturus_print_clk_levels(struct smu_context *smu, struct smu_11_0_dpm_context *dpm_context = NULL; uint32_t gen_speed, lane_width; - if (amdgpu_ras_intr_triggered()) - return sysfs_emit(buf, "unavailable\n"); + smu_cmn_get_sysfs_buf(&buf, &size); + + if (amdgpu_ras_intr_triggered()) { + size += sysfs_emit_at(buf, size, "unavailable\n"); + return size; + } dpm_context = smu_dpm->dpm_context; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c index b05f9541accc..3d4c65bc29dc 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/cyan_skillfish_ppt.c @@ -44,6 +44,27 @@ #undef pr_info #undef pr_debug +/* unit: MHz */ +#define CYAN_SKILLFISH_SCLK_MIN 1000 +#define CYAN_SKILLFISH_SCLK_MAX 2000 +#define CYAN_SKILLFISH_SCLK_DEFAULT 1800 + +/* unit: mV */ +#define CYAN_SKILLFISH_VDDC_MIN 700 +#define CYAN_SKILLFISH_VDDC_MAX 1129 +#define CYAN_SKILLFISH_VDDC_MAGIC 5118 // 0x13fe + +static struct gfx_user_settings { + uint32_t sclk; + uint32_t vddc; +} cyan_skillfish_user_settings; + +#define FEATURE_MASK(feature) (1ULL << feature) +#define SMC_DPM_FEATURE ( \ + FEATURE_MASK(FEATURE_FCLK_DPM_BIT) | \ + FEATURE_MASK(FEATURE_SOC_DPM_BIT) | \ + FEATURE_MASK(FEATURE_GFX_DPM_BIT)) + static struct cmn2asic_msg_mapping cyan_skillfish_message_map[SMU_MSG_MAX_COUNT] = { MSG_MAP(TestMessage, PPSMC_MSG_TestMessage, 0), MSG_MAP(GetSmuVersion, PPSMC_MSG_GetSmuVersion, 0), @@ -52,14 +73,473 @@ static struct cmn2asic_msg_mapping cyan_skillfish_message_map[SMU_MSG_MAX_COUNT] MSG_MAP(SetDriverDramAddrLow, PPSMC_MSG_SetDriverTableDramAddrLow, 0), MSG_MAP(TransferTableSmu2Dram, PPSMC_MSG_TransferTableSmu2Dram, 0), MSG_MAP(TransferTableDram2Smu, PPSMC_MSG_TransferTableDram2Smu, 0), + MSG_MAP(GetEnabledSmuFeatures, PPSMC_MSG_GetEnabledSmuFeatures, 0), + MSG_MAP(RequestGfxclk, PPSMC_MSG_RequestGfxclk, 0), + MSG_MAP(ForceGfxVid, PPSMC_MSG_ForceGfxVid, 0), + MSG_MAP(UnforceGfxVid, PPSMC_MSG_UnforceGfxVid, 0), +}; + +static struct cmn2asic_mapping cyan_skillfish_table_map[SMU_TABLE_COUNT] = { + TAB_MAP_VALID(SMU_METRICS), }; +static int cyan_skillfish_tables_init(struct smu_context *smu) +{ + struct smu_table_context *smu_table = &smu->smu_table; + struct smu_table *tables = smu_table->tables; + + SMU_TABLE_INIT(tables, SMU_TABLE_SMU_METRICS, + sizeof(SmuMetrics_t), + PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM); + + smu_table->metrics_table = kzalloc(sizeof(SmuMetrics_t), GFP_KERNEL); + if (!smu_table->metrics_table) + goto err0_out; + + smu_table->gpu_metrics_table_size = sizeof(struct gpu_metrics_v2_2); + smu_table->gpu_metrics_table = kzalloc(smu_table->gpu_metrics_table_size, GFP_KERNEL); + if (!smu_table->gpu_metrics_table) + goto err1_out; + + smu_table->metrics_time = 0; + + return 0; + +err1_out: + smu_table->gpu_metrics_table_size = 0; + kfree(smu_table->metrics_table); +err0_out: + return -ENOMEM; +} + +static int cyan_skillfish_init_smc_tables(struct smu_context *smu) +{ + int ret = 0; + + ret = cyan_skillfish_tables_init(smu); + if (ret) + return ret; + + return smu_v11_0_init_smc_tables(smu); +} + +static int cyan_skillfish_finit_smc_tables(struct smu_context *smu) +{ + struct smu_table_context *smu_table = &smu->smu_table; + + kfree(smu_table->metrics_table); + smu_table->metrics_table = NULL; + + kfree(smu_table->gpu_metrics_table); + smu_table->gpu_metrics_table = NULL; + smu_table->gpu_metrics_table_size = 0; + + smu_table->metrics_time = 0; + + return 0; +} + +static int +cyan_skillfish_get_smu_metrics_data(struct smu_context *smu, + MetricsMember_t member, + uint32_t *value) +{ + struct smu_table_context *smu_table = &smu->smu_table; + SmuMetrics_t *metrics = (SmuMetrics_t *)smu_table->metrics_table; + int ret = 0; + + mutex_lock(&smu->metrics_lock); + + ret = smu_cmn_get_metrics_table_locked(smu, NULL, false); + if (ret) { + mutex_unlock(&smu->metrics_lock); + return ret; + } + + switch (member) { + case METRICS_CURR_GFXCLK: + *value = metrics->Current.GfxclkFrequency; + break; + case METRICS_CURR_SOCCLK: + *value = metrics->Current.SocclkFrequency; + break; + case METRICS_CURR_VCLK: + *value = metrics->Current.VclkFrequency; + break; + case METRICS_CURR_DCLK: + *value = metrics->Current.DclkFrequency; + break; + case METRICS_CURR_UCLK: + *value = metrics->Current.MemclkFrequency; + break; + case METRICS_AVERAGE_SOCKETPOWER: + *value = (metrics->Current.CurrentSocketPower << 8) / + 1000; + break; + case METRICS_TEMPERATURE_EDGE: + *value = metrics->Current.GfxTemperature / 100 * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + break; + case METRICS_TEMPERATURE_HOTSPOT: + *value = metrics->Current.SocTemperature / 100 * + SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; + break; + case METRICS_VOLTAGE_VDDSOC: + *value = metrics->Current.Voltage[0]; + break; + case METRICS_VOLTAGE_VDDGFX: + *value = metrics->Current.Voltage[1]; + break; + case METRICS_THROTTLER_STATUS: + *value = metrics->Current.ThrottlerStatus; + break; + default: + *value = UINT_MAX; + break; + } + + mutex_unlock(&smu->metrics_lock); + + return ret; +} + +static int cyan_skillfish_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, + uint32_t *size) +{ + int ret = 0; + + if (!data || !size) + return -EINVAL; + + mutex_lock(&smu->sensor_lock); + + switch (sensor) { + case AMDGPU_PP_SENSOR_GFX_SCLK: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_CURR_GFXCLK, + (uint32_t *)data); + *(uint32_t *)data *= 100; + *size = 4; + break; + case AMDGPU_PP_SENSOR_GFX_MCLK: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_CURR_UCLK, + (uint32_t *)data); + *(uint32_t *)data *= 100; + *size = 4; + break; + case AMDGPU_PP_SENSOR_GPU_POWER: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_AVERAGE_SOCKETPOWER, + (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_HOTSPOT_TEMP: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_TEMPERATURE_HOTSPOT, + (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_EDGE_TEMP: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_TEMPERATURE_EDGE, + (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_VDDNB: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_VOLTAGE_VDDSOC, + (uint32_t *)data); + *size = 4; + break; + case AMDGPU_PP_SENSOR_VDDGFX: + ret = cyan_skillfish_get_smu_metrics_data(smu, + METRICS_VOLTAGE_VDDGFX, + (uint32_t *)data); + *size = 4; + break; + default: + ret = -EOPNOTSUPP; + break; + } + + mutex_unlock(&smu->sensor_lock); + + return ret; +} + +static int cyan_skillfish_get_current_clk_freq(struct smu_context *smu, + enum smu_clk_type clk_type, + uint32_t *value) +{ + MetricsMember_t member_type; + + switch (clk_type) { + case SMU_GFXCLK: + case SMU_SCLK: + member_type = METRICS_CURR_GFXCLK; + break; + case SMU_FCLK: + case SMU_MCLK: + member_type = METRICS_CURR_UCLK; + break; + case SMU_SOCCLK: + member_type = METRICS_CURR_SOCCLK; + break; + case SMU_VCLK: + member_type = METRICS_CURR_VCLK; + break; + case SMU_DCLK: + member_type = METRICS_CURR_DCLK; + break; + default: + return -EINVAL; + } + + return cyan_skillfish_get_smu_metrics_data(smu, member_type, value); +} + +static int cyan_skillfish_print_clk_levels(struct smu_context *smu, + enum smu_clk_type clk_type, + char *buf) +{ + int ret = 0, size = 0; + uint32_t cur_value = 0; + + smu_cmn_get_sysfs_buf(&buf, &size); + + switch (clk_type) { + case SMU_OD_SCLK: + ret = cyan_skillfish_get_smu_metrics_data(smu, METRICS_CURR_GFXCLK, &cur_value); + if (ret) + return ret; + size += sysfs_emit_at(buf, size,"%s:\n", "OD_SCLK"); + size += sysfs_emit_at(buf, size, "0: %uMhz *\n", cur_value); + break; + case SMU_OD_VDDC_CURVE: + ret = cyan_skillfish_get_smu_metrics_data(smu, METRICS_VOLTAGE_VDDGFX, &cur_value); + if (ret) + return ret; + size += sysfs_emit_at(buf, size,"%s:\n", "OD_VDDC"); + size += sysfs_emit_at(buf, size, "0: %umV *\n", cur_value); + break; + case SMU_OD_RANGE: + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n", + CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX); + size += sysfs_emit_at(buf, size, "VDDC: %7umV %10umV\n", + CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX); + break; + case SMU_GFXCLK: + case SMU_SCLK: + case SMU_FCLK: + case SMU_MCLK: + case SMU_SOCCLK: + case SMU_VCLK: + case SMU_DCLK: + ret = cyan_skillfish_get_current_clk_freq(smu, clk_type, &cur_value); + if (ret) + return ret; + size += sysfs_emit_at(buf, size, "0: %uMhz *\n", cur_value); + break; + default: + dev_warn(smu->adev->dev, "Unsupported clock type\n"); + return ret; + } + + return size; +} + +static bool cyan_skillfish_is_dpm_running(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + int ret = 0; + uint32_t feature_mask[2]; + uint64_t feature_enabled; + + /* we need to re-init after suspend so return false */ + if (adev->in_suspend) + return false; + + ret = smu_cmn_get_enabled_32_bits_mask(smu, feature_mask, 2); + + if (ret) + return false; + + feature_enabled = (uint64_t)feature_mask[0] | + ((uint64_t)feature_mask[1] << 32); + + return !!(feature_enabled & SMC_DPM_FEATURE); +} + +static ssize_t cyan_skillfish_get_gpu_metrics(struct smu_context *smu, + void **table) +{ + struct smu_table_context *smu_table = &smu->smu_table; + struct gpu_metrics_v2_2 *gpu_metrics = + (struct gpu_metrics_v2_2 *)smu_table->gpu_metrics_table; + SmuMetrics_t metrics; + int i, ret = 0; + + ret = smu_cmn_get_metrics_table(smu, &metrics, true); + if (ret) + return ret; + + smu_cmn_init_soft_gpu_metrics(gpu_metrics, 2, 2); + + gpu_metrics->temperature_gfx = metrics.Current.GfxTemperature; + gpu_metrics->temperature_soc = metrics.Current.SocTemperature; + + gpu_metrics->average_socket_power = metrics.Current.CurrentSocketPower; + gpu_metrics->average_soc_power = metrics.Current.Power[0]; + gpu_metrics->average_gfx_power = metrics.Current.Power[1]; + + gpu_metrics->average_gfxclk_frequency = metrics.Average.GfxclkFrequency; + gpu_metrics->average_socclk_frequency = metrics.Average.SocclkFrequency; + gpu_metrics->average_uclk_frequency = metrics.Average.MemclkFrequency; + gpu_metrics->average_fclk_frequency = metrics.Average.MemclkFrequency; + gpu_metrics->average_vclk_frequency = metrics.Average.VclkFrequency; + gpu_metrics->average_dclk_frequency = metrics.Average.DclkFrequency; + + gpu_metrics->current_gfxclk = metrics.Current.GfxclkFrequency; + gpu_metrics->current_socclk = metrics.Current.SocclkFrequency; + gpu_metrics->current_uclk = metrics.Current.MemclkFrequency; + gpu_metrics->current_fclk = metrics.Current.MemclkFrequency; + gpu_metrics->current_vclk = metrics.Current.VclkFrequency; + gpu_metrics->current_dclk = metrics.Current.DclkFrequency; + + for (i = 0; i < 6; i++) { + gpu_metrics->temperature_core[i] = metrics.Current.CoreTemperature[i]; + gpu_metrics->average_core_power[i] = metrics.Average.CorePower[i]; + gpu_metrics->current_coreclk[i] = metrics.Current.CoreFrequency[i]; + } + + for (i = 0; i < 2; i++) { + gpu_metrics->temperature_l3[i] = metrics.Current.L3Temperature[i]; + gpu_metrics->current_l3clk[i] = metrics.Current.L3Frequency[i]; + } + + gpu_metrics->throttle_status = metrics.Current.ThrottlerStatus; + gpu_metrics->system_clock_counter = ktime_get_boottime_ns(); + + *table = (void *)gpu_metrics; + + return sizeof(struct gpu_metrics_v2_2); +} + +static int cyan_skillfish_od_edit_dpm_table(struct smu_context *smu, + enum PP_OD_DPM_TABLE_COMMAND type, + long input[], uint32_t size) +{ + int ret = 0; + uint32_t vid; + + switch (type) { + case PP_OD_EDIT_VDDC_CURVE: + if (size != 3 || input[0] != 0) { + dev_err(smu->adev->dev, "Invalid parameter!\n"); + return -EINVAL; + } + + if (input[1] <= CYAN_SKILLFISH_SCLK_MIN || + input[1] > CYAN_SKILLFISH_SCLK_MAX) { + dev_err(smu->adev->dev, "Invalid sclk! Valid sclk range: %uMHz - %uMhz\n", + CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX); + return -EINVAL; + } + + if (input[2] <= CYAN_SKILLFISH_VDDC_MIN || + input[2] > CYAN_SKILLFISH_VDDC_MAX) { + dev_err(smu->adev->dev, "Invalid vddc! Valid vddc range: %umV - %umV\n", + CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX); + return -EINVAL; + } + + cyan_skillfish_user_settings.sclk = input[1]; + cyan_skillfish_user_settings.vddc = input[2]; + + break; + case PP_OD_RESTORE_DEFAULT_TABLE: + if (size != 0) { + dev_err(smu->adev->dev, "Invalid parameter!\n"); + return -EINVAL; + } + + cyan_skillfish_user_settings.sclk = CYAN_SKILLFISH_SCLK_DEFAULT; + cyan_skillfish_user_settings.vddc = CYAN_SKILLFISH_VDDC_MAGIC; + + break; + case PP_OD_COMMIT_DPM_TABLE: + if (size != 0) { + dev_err(smu->adev->dev, "Invalid parameter!\n"); + return -EINVAL; + } + + if (cyan_skillfish_user_settings.sclk < CYAN_SKILLFISH_SCLK_MIN || + cyan_skillfish_user_settings.sclk > CYAN_SKILLFISH_SCLK_MAX) { + dev_err(smu->adev->dev, "Invalid sclk! Valid sclk range: %uMHz - %uMhz\n", + CYAN_SKILLFISH_SCLK_MIN, CYAN_SKILLFISH_SCLK_MAX); + return -EINVAL; + } + + if ((cyan_skillfish_user_settings.vddc != CYAN_SKILLFISH_VDDC_MAGIC) && + (cyan_skillfish_user_settings.vddc < CYAN_SKILLFISH_VDDC_MIN || + cyan_skillfish_user_settings.vddc > CYAN_SKILLFISH_VDDC_MAX)) { + dev_err(smu->adev->dev, "Invalid vddc! Valid vddc range: %umV - %umV\n", + CYAN_SKILLFISH_VDDC_MIN, CYAN_SKILLFISH_VDDC_MAX); + return -EINVAL; + } + + ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_RequestGfxclk, + cyan_skillfish_user_settings.sclk, NULL); + if (ret) { + dev_err(smu->adev->dev, "Set sclk failed!\n"); + return ret; + } + + if (cyan_skillfish_user_settings.vddc == CYAN_SKILLFISH_VDDC_MAGIC) { + ret = smu_cmn_send_smc_msg(smu, SMU_MSG_UnforceGfxVid, NULL); + if (ret) { + dev_err(smu->adev->dev, "Unforce vddc failed!\n"); + return ret; + } + } else { + /* + * PMFW accepts SVI2 VID code, convert voltage to VID: + * vid = (uint32_t)((1.55 - voltage) * 160.0 + 0.00001) + */ + vid = (1550 - cyan_skillfish_user_settings.vddc) * 160 / 1000; + ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_ForceGfxVid, vid, NULL); + if (ret) { + dev_err(smu->adev->dev, "Force vddc failed!\n"); + return ret; + } + } + + break; + default: + return -EOPNOTSUPP; + } + + return ret; +} + static const struct pptable_funcs cyan_skillfish_ppt_funcs = { .check_fw_status = smu_v11_0_check_fw_status, .check_fw_version = smu_v11_0_check_fw_version, .init_power = smu_v11_0_init_power, .fini_power = smu_v11_0_fini_power, + .init_smc_tables = cyan_skillfish_init_smc_tables, + .fini_smc_tables = cyan_skillfish_finit_smc_tables, + .read_sensor = cyan_skillfish_read_sensor, + .print_clk_levels = cyan_skillfish_print_clk_levels, + .is_dpm_running = cyan_skillfish_is_dpm_running, + .get_gpu_metrics = cyan_skillfish_get_gpu_metrics, + .od_edit_dpm_table = cyan_skillfish_od_edit_dpm_table, .register_irq_handler = smu_v11_0_register_irq_handler, .notify_memory_pool_location = smu_v11_0_notify_memory_pool_location, .send_smc_msg_with_param = smu_cmn_send_smc_msg_with_param, @@ -72,5 +552,6 @@ void cyan_skillfish_set_ppt_funcs(struct smu_context *smu) { smu->ppt_funcs = &cyan_skillfish_ppt_funcs; smu->message_map = cyan_skillfish_message_map; + smu->table_map = cyan_skillfish_table_map; smu->is_apu = true; } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c index a5fc5d7cb6c7..b1ad451af06b 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c @@ -1279,6 +1279,8 @@ static int navi10_print_clk_levels(struct smu_context *smu, struct smu_11_0_overdrive_table *od_settings = smu->od_settings; uint32_t min_value, max_value; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_GFXCLK: case SMU_SCLK: @@ -1392,7 +1394,7 @@ static int navi10_print_clk_levels(struct smu_context *smu, case SMU_OD_RANGE: if (!smu->od_enabled || !od_table || !od_settings) break; - size = sysfs_emit(buf, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); if (navi10_od_feature_is_supported(od_settings, SMU_11_0_ODCAP_GFXCLK_LIMITS)) { navi10_od_setting_get_range(od_settings, SMU_11_0_ODSETTING_GFXCLKFMIN, @@ -2272,7 +2274,27 @@ static int navi10_baco_enter(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - if (adev->in_runpm) + /* + * This aims the case below: + * amdgpu driver loaded -> runpm suspend kicked -> sound driver loaded + * + * For NAVI10 and later ASICs, we rely on PMFW to handle the runpm. To + * make that possible, PMFW needs to acknowledge the dstate transition + * process for both gfx(function 0) and audio(function 1) function of + * the ASIC. + * + * The PCI device's initial runpm status is RUNPM_SUSPENDED. So as the + * device representing the audio function of the ASIC. And that means + * even if the sound driver(snd_hda_intel) was not loaded yet, it's still + * possible runpm suspend kicked on the ASIC. However without the dstate + * transition notification from audio function, pmfw cannot handle the + * BACO in/exit correctly. And that will cause driver hang on runpm + * resuming. + * + * To address this, we revert to legacy message way(driver masters the + * timing for BACO in/exit) on sound driver missing. + */ + if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO); else return smu_v11_0_baco_enter(smu); @@ -2282,7 +2304,7 @@ static int navi10_baco_exit(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - if (adev->in_runpm) { + if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) { /* Wait for PMFW handling for the Dstate change */ msleep(10); return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 5e292c3f5050..ca57221e3962 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -1058,6 +1058,8 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu, uint32_t min_value, max_value; uint32_t smu_version; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_GFXCLK: case SMU_SCLK: @@ -1180,7 +1182,7 @@ static int sienna_cichlid_print_clk_levels(struct smu_context *smu, if (!smu->od_enabled || !od_table || !od_settings) break; - size = sysfs_emit(buf, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); if (sienna_cichlid_is_od_feature_supported(od_settings, SMU_11_0_7_ODCAP_GFXCLK_LIMITS)) { sienna_cichlid_get_od_setting_range(od_settings, SMU_11_0_7_ODSETTING_GFXCLKFMIN, @@ -2187,7 +2189,7 @@ static int sienna_cichlid_baco_enter(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - if (adev->in_runpm) + if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_BACO); else return smu_v11_0_baco_enter(smu); @@ -2197,7 +2199,7 @@ static int sienna_cichlid_baco_exit(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; - if (adev->in_runpm) { + if (adev->in_runpm && smu_cmn_is_audio_func_enabled(adev)) { /* Wait for PMFW handling for the Dstate change */ msleep(10); return smu_v11_0_baco_set_armd3_sequence(smu, BACO_SEQ_ULPS); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index 3a3421452e57..f6ef0ce6e9e2 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -589,10 +589,12 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu, if (ret) return ret; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_OD_SCLK: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "%s:\n", "OD_SCLK"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK"); size += sysfs_emit_at(buf, size, "0: %10uMhz\n", (smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq); size += sysfs_emit_at(buf, size, "1: %10uMhz\n", @@ -601,7 +603,7 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu, break; case SMU_OD_CCLK: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select); + size += sysfs_emit_at(buf, size, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select); size += sysfs_emit_at(buf, size, "0: %10uMhz\n", (smu->cpu_actual_soft_min_freq > 0) ? smu->cpu_actual_soft_min_freq : smu->cpu_default_soft_min_freq); size += sysfs_emit_at(buf, size, "1: %10uMhz\n", @@ -610,7 +612,7 @@ static int vangogh_print_legacy_clk_levels(struct smu_context *smu, break; case SMU_OD_RANGE: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n", smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq); size += sysfs_emit_at(buf, size, "CCLK: %7uMhz %10uMhz\n", @@ -688,10 +690,12 @@ static int vangogh_print_clk_levels(struct smu_context *smu, if (ret) return ret; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_OD_SCLK: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "%s:\n", "OD_SCLK"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK"); size += sysfs_emit_at(buf, size, "0: %10uMhz\n", (smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq); size += sysfs_emit_at(buf, size, "1: %10uMhz\n", @@ -700,7 +704,7 @@ static int vangogh_print_clk_levels(struct smu_context *smu, break; case SMU_OD_CCLK: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select); + size += sysfs_emit_at(buf, size, "CCLK_RANGE in Core%d:\n", smu->cpu_core_id_select); size += sysfs_emit_at(buf, size, "0: %10uMhz\n", (smu->cpu_actual_soft_min_freq > 0) ? smu->cpu_actual_soft_min_freq : smu->cpu_default_soft_min_freq); size += sysfs_emit_at(buf, size, "1: %10uMhz\n", @@ -709,7 +713,7 @@ static int vangogh_print_clk_levels(struct smu_context *smu, break; case SMU_OD_RANGE: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { - size = sysfs_emit(buf, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n", smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq); size += sysfs_emit_at(buf, size, "CCLK: %7uMhz %10uMhz\n", diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c index 5aa175e12a78..145f13b8c977 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu12/renoir_ppt.c @@ -497,6 +497,8 @@ static int renoir_print_clk_levels(struct smu_context *smu, if (ret) return ret; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_OD_RANGE: if (smu_dpm_ctx->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL) { diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c index ab652028e003..5019903db492 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -733,15 +733,19 @@ static int aldebaran_print_clk_levels(struct smu_context *smu, uint32_t freq_values[3] = {0}; uint32_t min_clk, max_clk; - if (amdgpu_ras_intr_triggered()) - return sysfs_emit(buf, "unavailable\n"); + smu_cmn_get_sysfs_buf(&buf, &size); + + if (amdgpu_ras_intr_triggered()) { + size += sysfs_emit_at(buf, size, "unavailable\n"); + return size; + } dpm_context = smu_dpm->dpm_context; switch (type) { case SMU_OD_SCLK: - size = sysfs_emit(buf, "%s:\n", "GFXCLK"); + size += sysfs_emit_at(buf, size, "%s:\n", "GFXCLK"); fallthrough; case SMU_SCLK: ret = aldebaran_get_current_clk_freq_by_table(smu, SMU_GFXCLK, &now); @@ -795,7 +799,7 @@ static int aldebaran_print_clk_levels(struct smu_context *smu, break; case SMU_OD_MCLK: - size = sysfs_emit(buf, "%s:\n", "MCLK"); + size += sysfs_emit_at(buf, size, "%s:\n", "MCLK"); fallthrough; case SMU_MCLK: ret = aldebaran_get_current_clk_freq_by_table(smu, SMU_UCLK, &now); diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c index 627ba2eec7fd..a403657151ba 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c @@ -1052,16 +1052,18 @@ static int yellow_carp_print_clk_levels(struct smu_context *smu, int i, size = 0, ret = 0; uint32_t cur_value = 0, value = 0, count = 0; + smu_cmn_get_sysfs_buf(&buf, &size); + switch (clk_type) { case SMU_OD_SCLK: - size = sysfs_emit(buf, "%s:\n", "OD_SCLK"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_SCLK"); size += sysfs_emit_at(buf, size, "0: %10uMhz\n", (smu->gfx_actual_hard_min_freq > 0) ? smu->gfx_actual_hard_min_freq : smu->gfx_default_hard_min_freq); size += sysfs_emit_at(buf, size, "1: %10uMhz\n", (smu->gfx_actual_soft_max_freq > 0) ? smu->gfx_actual_soft_max_freq : smu->gfx_default_soft_max_freq); break; case SMU_OD_RANGE: - size = sysfs_emit(buf, "%s:\n", "OD_RANGE"); + size += sysfs_emit_at(buf, size, "%s:\n", "OD_RANGE"); size += sysfs_emit_at(buf, size, "SCLK: %7uMhz %10uMhz\n", smu->gfx_default_hard_min_freq, smu->gfx_default_soft_max_freq); break; diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index 66711ab24c15..843d2cbfc71d 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -1053,3 +1053,24 @@ int smu_cmn_set_mp1_state(struct smu_context *smu, return ret; } + +bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev) +{ + struct pci_dev *p = NULL; + bool snd_driver_loaded; + + /* + * If the ASIC comes with no audio function, we always assume + * it is "enabled". + */ + p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus), + adev->pdev->bus->number, 1); + if (!p) + return true; + + snd_driver_loaded = pci_is_enabled(p) ? true : false; + + pci_dev_put(p); + + return snd_driver_loaded; +} diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h index 16993daa2ae0..beea03810bca 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h @@ -110,5 +110,20 @@ void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev); int smu_cmn_set_mp1_state(struct smu_context *smu, enum pp_mp1_state mp1_state); +/* + * Helper function to make sysfs_emit_at() happy. Align buf to + * the current page boundary and record the offset. + */ +static inline void smu_cmn_get_sysfs_buf(char **buf, int *offset) +{ + if (!*buf || !offset) + return; + + *offset = offset_in_page(*buf); + *buf -= *offset; +} + +bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev); + #endif #endif diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c index 76d38561c910..cf741c5c82d2 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c @@ -397,8 +397,7 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state, if (switch_mmu_context) { struct etnaviv_iommu_context *old_context = gpu->mmu_context; - etnaviv_iommu_context_get(mmu_context); - gpu->mmu_context = mmu_context; + gpu->mmu_context = etnaviv_iommu_context_get(mmu_context); etnaviv_iommu_context_put(old_context); } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 8f1b5af47dd6..f0b2540e60e4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -294,8 +294,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get( list_del(&mapping->obj_node); } - etnaviv_iommu_context_get(mmu_context); - mapping->context = mmu_context; + mapping->context = etnaviv_iommu_context_get(mmu_context); mapping->use = 1; ret = etnaviv_iommu_map_gem(mmu_context, etnaviv_obj, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 4dd7d9d541c0..486259e154af 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -532,8 +532,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, goto err_submit_objects; submit->ctx = file->driver_priv; - etnaviv_iommu_context_get(submit->ctx->mmu); - submit->mmu_context = submit->ctx->mmu; + submit->mmu_context = etnaviv_iommu_context_get(submit->ctx->mmu); submit->exec_state = args->exec_state; submit->flags = args->flags; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index c297fffe06eb..cc5b07f86346 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -569,6 +569,12 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu) /* We rely on the GPU running, so program the clock */ etnaviv_gpu_update_clock(gpu); + gpu->fe_running = false; + gpu->exec_state = -1; + if (gpu->mmu_context) + etnaviv_iommu_context_put(gpu->mmu_context); + gpu->mmu_context = NULL; + return 0; } @@ -637,19 +643,23 @@ void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch) VIVS_MMUv2_SEC_COMMAND_CONTROL_ENABLE | VIVS_MMUv2_SEC_COMMAND_CONTROL_PREFETCH(prefetch)); } + + gpu->fe_running = true; } -static void etnaviv_gpu_start_fe_idleloop(struct etnaviv_gpu *gpu) +static void etnaviv_gpu_start_fe_idleloop(struct etnaviv_gpu *gpu, + struct etnaviv_iommu_context *context) { - u32 address = etnaviv_cmdbuf_get_va(&gpu->buffer, - &gpu->mmu_context->cmdbuf_mapping); u16 prefetch; + u32 address; /* setup the MMU */ - etnaviv_iommu_restore(gpu, gpu->mmu_context); + etnaviv_iommu_restore(gpu, context); /* Start command processor */ prefetch = etnaviv_buffer_init(gpu); + address = etnaviv_cmdbuf_get_va(&gpu->buffer, + &gpu->mmu_context->cmdbuf_mapping); etnaviv_gpu_start_fe(gpu, address, prefetch); } @@ -832,7 +842,6 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) /* Now program the hardware */ mutex_lock(&gpu->lock); etnaviv_gpu_hw_init(gpu); - gpu->exec_state = -1; mutex_unlock(&gpu->lock); pm_runtime_mark_last_busy(gpu->dev); @@ -1057,8 +1066,6 @@ void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu) spin_unlock(&gpu->event_spinlock); etnaviv_gpu_hw_init(gpu); - gpu->exec_state = -1; - gpu->mmu_context = NULL; mutex_unlock(&gpu->lock); pm_runtime_mark_last_busy(gpu->dev); @@ -1370,14 +1377,12 @@ struct dma_fence *etnaviv_gpu_submit(struct etnaviv_gem_submit *submit) goto out_unlock; } - if (!gpu->mmu_context) { - etnaviv_iommu_context_get(submit->mmu_context); - gpu->mmu_context = submit->mmu_context; - etnaviv_gpu_start_fe_idleloop(gpu); - } else { - etnaviv_iommu_context_get(gpu->mmu_context); - submit->prev_mmu_context = gpu->mmu_context; - } + if (!gpu->fe_running) + etnaviv_gpu_start_fe_idleloop(gpu, submit->mmu_context); + + if (submit->prev_mmu_context) + etnaviv_iommu_context_put(submit->prev_mmu_context); + submit->prev_mmu_context = etnaviv_iommu_context_get(gpu->mmu_context); if (submit->nr_pmrs) { gpu->event[event[1]].sync_point = &sync_point_perfmon_sample_pre; @@ -1579,7 +1584,7 @@ int etnaviv_gpu_wait_idle(struct etnaviv_gpu *gpu, unsigned int timeout_ms) static int etnaviv_gpu_hw_suspend(struct etnaviv_gpu *gpu) { - if (gpu->initialized && gpu->mmu_context) { + if (gpu->initialized && gpu->fe_running) { /* Replace the last WAIT with END */ mutex_lock(&gpu->lock); etnaviv_buffer_end(gpu); @@ -1592,8 +1597,7 @@ static int etnaviv_gpu_hw_suspend(struct etnaviv_gpu *gpu) */ etnaviv_gpu_wait_idle(gpu, 100); - etnaviv_iommu_context_put(gpu->mmu_context); - gpu->mmu_context = NULL; + gpu->fe_running = false; } gpu->exec_state = -1; @@ -1741,6 +1745,9 @@ static void etnaviv_gpu_unbind(struct device *dev, struct device *master, etnaviv_gpu_hw_suspend(gpu); #endif + if (gpu->mmu_context) + etnaviv_iommu_context_put(gpu->mmu_context); + if (gpu->initialized) { etnaviv_cmdbuf_free(&gpu->buffer); etnaviv_iommu_global_fini(gpu); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h index 8ea48697d132..1c75c8ed5bce 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h @@ -101,6 +101,7 @@ struct etnaviv_gpu { struct workqueue_struct *wq; struct drm_gpu_scheduler sched; bool initialized; + bool fe_running; /* 'ring'-buffer: */ struct etnaviv_cmdbuf buffer; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c index 1a7c89a67bea..afe5dd6a9925 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c @@ -92,6 +92,10 @@ static void etnaviv_iommuv1_restore(struct etnaviv_gpu *gpu, struct etnaviv_iommuv1_context *v1_context = to_v1_context(context); u32 pgtable; + if (gpu->mmu_context) + etnaviv_iommu_context_put(gpu->mmu_context); + gpu->mmu_context = etnaviv_iommu_context_get(context); + /* set base addresses */ gpu_write(gpu, VIVS_MC_MEMORY_BASE_ADDR_RA, context->global->memory_base); gpu_write(gpu, VIVS_MC_MEMORY_BASE_ADDR_FE, context->global->memory_base); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c index f8bf488e9d71..d664ae29ae20 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c @@ -172,6 +172,10 @@ static void etnaviv_iommuv2_restore_nonsec(struct etnaviv_gpu *gpu, if (gpu_read(gpu, VIVS_MMUv2_CONTROL) & VIVS_MMUv2_CONTROL_ENABLE) return; + if (gpu->mmu_context) + etnaviv_iommu_context_put(gpu->mmu_context); + gpu->mmu_context = etnaviv_iommu_context_get(context); + prefetch = etnaviv_buffer_config_mmuv2(gpu, (u32)v2_context->mtlb_dma, (u32)context->global->bad_page_dma); @@ -192,6 +196,10 @@ static void etnaviv_iommuv2_restore_sec(struct etnaviv_gpu *gpu, if (gpu_read(gpu, VIVS_MMUv2_SEC_CONTROL) & VIVS_MMUv2_SEC_CONTROL_ENABLE) return; + if (gpu->mmu_context) + etnaviv_iommu_context_put(gpu->mmu_context); + gpu->mmu_context = etnaviv_iommu_context_get(context); + gpu_write(gpu, VIVS_MMUv2_PTA_ADDRESS_LOW, lower_32_bits(context->global->v2.pta_dma)); gpu_write(gpu, VIVS_MMUv2_PTA_ADDRESS_HIGH, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c index dab1b58006d8..9fb1a2aadbcb 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c @@ -199,6 +199,7 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context, */ list_for_each_entry_safe(m, n, &list, scan_node) { etnaviv_iommu_remove_mapping(context, m); + etnaviv_iommu_context_put(m->context); m->context = NULL; list_del_init(&m->mmu_node); list_del_init(&m->scan_node); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h index d1d6902fd13b..e4a0b7d09c2e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h @@ -105,9 +105,11 @@ void etnaviv_iommu_dump(struct etnaviv_iommu_context *ctx, void *buf); struct etnaviv_iommu_context * etnaviv_iommu_context_init(struct etnaviv_iommu_global *global, struct etnaviv_cmdbuf_suballoc *suballoc); -static inline void etnaviv_iommu_context_get(struct etnaviv_iommu_context *ctx) +static inline struct etnaviv_iommu_context * +etnaviv_iommu_context_get(struct etnaviv_iommu_context *ctx) { kref_get(&ctx->refcount); + return ctx; } void etnaviv_iommu_context_put(struct etnaviv_iommu_context *ctx); void etnaviv_iommu_restore(struct etnaviv_gpu *gpu, diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 9870c4e6af36..b5001db7a95c 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -793,7 +793,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct decon_context *ctx; - struct resource *res; int ret; int i; @@ -818,8 +817,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev) ctx->clks[i] = clk; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctx->addr = devm_ioremap_resource(dev, res); + ctx->addr = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ctx->addr)) return PTR_ERR(ctx->addr); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index e39fac889edc..8d137857818c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1738,7 +1738,6 @@ static const struct component_ops exynos_dsi_component_ops = { static int exynos_dsi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct resource *res; struct exynos_dsi *dsi; int ret, i; @@ -1789,8 +1788,7 @@ static int exynos_dsi_probe(struct platform_device *pdev) } } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dsi->reg_base = devm_ioremap_resource(dev, res); + dsi->reg_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(dsi->reg_base)) return PTR_ERR(dsi->reg_base); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index a3c718148c45..ecfd82d0afb7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -85,7 +85,6 @@ struct fimc_scaler { /* * A structure of fimc context. * - * @regs_res: register resources. * @regs: memory mapped io registers. * @lock: locking of operations. * @clocks: fimc clocks. @@ -103,7 +102,6 @@ struct fimc_context { struct exynos_drm_ipp_formats *formats; unsigned int num_formats; - struct resource *regs_res; void __iomem *regs; spinlock_t lock; struct clk *clocks[FIMC_CLKS_MAX]; @@ -1327,8 +1325,7 @@ static int fimc_probe(struct platform_device *pdev) ctx->num_formats = num_formats; /* resource memory */ - ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctx->regs = devm_ioremap_resource(dev, ctx->regs_res); + ctx->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ctx->regs)) return PTR_ERR(ctx->regs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 700ca4fa6665..c735e53939d8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -1202,9 +1202,7 @@ static int fimd_probe(struct platform_device *pdev) return PTR_ERR(ctx->lcd_clk); } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - ctx->regs = devm_ioremap_resource(dev, res); + ctx->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ctx->regs)) return PTR_ERR(ctx->regs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index b00230626c6a..471fd6c8135f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1449,7 +1449,6 @@ static const struct component_ops g2d_component_ops = { static int g2d_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct resource *res; struct g2d_data *g2d; int ret; @@ -1491,9 +1490,7 @@ static int g2d_probe(struct platform_device *pdev) clear_bit(G2D_BIT_SUSPEND_RUNQUEUE, &g2d->flags); clear_bit(G2D_BIT_ENGINE_BUSY, &g2d->flags); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - - g2d->regs = devm_ioremap_resource(dev, res); + g2d->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(g2d->regs)) { ret = PTR_ERR(g2d->regs); goto err_put_clk; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 90d7bf906885..166a80262896 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -86,7 +86,6 @@ struct gsc_scaler { /* * A structure of gsc context. * - * @regs_res: register resources. * @regs: memory mapped io registers. * @gsc_clk: gsc gate clock. * @sc: scaler infomations. @@ -103,7 +102,6 @@ struct gsc_context { struct exynos_drm_ipp_formats *formats; unsigned int num_formats; - struct resource *regs_res; void __iomem *regs; const char **clk_names; struct clk *clocks[GSC_MAX_CLOCKS]; @@ -1272,9 +1270,7 @@ static int gsc_probe(struct platform_device *pdev) } } - /* resource memory */ - ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ctx->regs = devm_ioremap_resource(dev, ctx->regs_res); + ctx->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(ctx->regs)) return PTR_ERR(ctx->regs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index ee61be4cf152..dec7df35baa9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -278,7 +278,6 @@ static const struct component_ops rotator_component_ops = { static int rotator_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct resource *regs_res; struct rot_context *rot; const struct rot_variant *variant; int irq; @@ -292,8 +291,7 @@ static int rotator_probe(struct platform_device *pdev) rot->formats = variant->formats; rot->num_formats = variant->num_formats; rot->dev = dev; - regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rot->regs = devm_ioremap_resource(dev, regs_res); + rot->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rot->regs)) return PTR_ERR(rot->regs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c index f9ae5b038d59..3a7851b7dc66 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c +++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c @@ -485,7 +485,6 @@ static const struct component_ops scaler_component_ops = { static int scaler_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct resource *regs_res; struct scaler_context *scaler; int irq; int ret, i; @@ -498,8 +497,7 @@ static int scaler_probe(struct platform_device *pdev) (struct scaler_data *)of_device_get_match_data(dev); scaler->dev = dev; - regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - scaler->regs = devm_ioremap_resource(dev, regs_res); + scaler->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(scaler->regs)) return PTR_ERR(scaler->regs); diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index c769dec576de..7655142a4651 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1957,7 +1957,6 @@ static int hdmi_probe(struct platform_device *pdev) struct hdmi_audio_infoframe *audio_infoframe; struct device *dev = &pdev->dev; struct hdmi_context *hdata; - struct resource *res; int ret; hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL); @@ -1979,8 +1978,7 @@ static int hdmi_probe(struct platform_device *pdev) return ret; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - hdata->regs = devm_ioremap_resource(dev, res); + hdata->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(hdata->regs)) { ret = PTR_ERR(hdata->regs); return ret; diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 642a5b5a1b81..335ba9f43d8f 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -19,7 +19,6 @@ subdir-ccflags-y += $(call cc-disable-warning, missing-field-initializers) subdir-ccflags-y += $(call cc-disable-warning, unused-but-set-variable) # clang warnings subdir-ccflags-y += $(call cc-disable-warning, sign-compare) -subdir-ccflags-y += $(call cc-disable-warning, sometimes-uninitialized) subdir-ccflags-y += $(call cc-disable-warning, initializer-overrides) subdir-ccflags-y += $(call cc-disable-warning, frame-address) subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 43ec7fcd3f5d..a3eae3f3eadc 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1577,8 +1577,14 @@ static void gen11_dsi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); - enum pipe pipe = intel_crtc->pipe; + struct intel_crtc *intel_crtc; + enum pipe pipe; + + if (!crtc_state) + return; + + intel_crtc = to_intel_crtc(crtc_state->uapi.crtc); + pipe = intel_crtc->pipe; /* wa verify 1409054076:icl,jsl,ehl */ if (DISPLAY_VER(dev_priv) == 11 && pipe == PIPE_B && diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c index 532237588511..4e0f96bf6158 100644 --- a/drivers/gpu/drm/i915/display/intel_audio.c +++ b/drivers/gpu/drm/i915/display/intel_audio.c @@ -1308,8 +1308,9 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv) else aud_freq = aud_freq_init; - /* use BIOS provided value for TGL unless it is a known bad value */ - if (IS_TIGERLAKE(dev_priv) && aud_freq_init != AUD_FREQ_TGL_BROKEN) + /* use BIOS provided value for TGL and RKL unless it is a known bad value */ + if ((IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) && + aud_freq_init != AUD_FREQ_TGL_BROKEN) aud_freq = aud_freq_init; drm_dbg_kms(&dev_priv->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n", diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index e86e6ed2d3bf..fd71346aac7b 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -451,13 +451,23 @@ parse_lfp_backlight(struct drm_i915_private *i915, } i915->vbt.backlight.type = INTEL_BACKLIGHT_DISPLAY_DDI; - if (bdb->version >= 191 && - get_blocksize(backlight_data) >= sizeof(*backlight_data)) { - const struct lfp_backlight_control_method *method; + if (bdb->version >= 191) { + size_t exp_size; - method = &backlight_data->backlight_control[panel_type]; - i915->vbt.backlight.type = method->type; - i915->vbt.backlight.controller = method->controller; + if (bdb->version >= 236) + exp_size = sizeof(struct bdb_lfp_backlight_data); + else if (bdb->version >= 234) + exp_size = EXP_BDB_LFP_BL_DATA_SIZE_REV_234; + else + exp_size = EXP_BDB_LFP_BL_DATA_SIZE_REV_191; + + if (get_blocksize(backlight_data) >= exp_size) { + const struct lfp_backlight_control_method *method; + + method = &backlight_data->backlight_control[panel_type]; + i915->vbt.backlight.type = method->type; + i915->vbt.backlight.controller = method->controller; + } } i915->vbt.backlight.pwm_freq_hz = entry->pwm_freq_hz; diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index e91e0e0191fb..4b94256d7319 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -222,31 +222,42 @@ static int icl_sagv_max_dclk(const struct intel_qgv_info *qi) struct intel_sa_info { u16 displayrtids; - u8 deburst, deprogbwlimit; + u8 deburst, deprogbwlimit, derating; }; static const struct intel_sa_info icl_sa_info = { .deburst = 8, .deprogbwlimit = 25, /* GB/s */ .displayrtids = 128, + .derating = 10, }; static const struct intel_sa_info tgl_sa_info = { .deburst = 16, .deprogbwlimit = 34, /* GB/s */ .displayrtids = 256, + .derating = 10, }; static const struct intel_sa_info rkl_sa_info = { .deburst = 16, .deprogbwlimit = 20, /* GB/s */ .displayrtids = 128, + .derating = 10, }; static const struct intel_sa_info adls_sa_info = { .deburst = 16, .deprogbwlimit = 38, /* GB/s */ .displayrtids = 256, + .derating = 10, +}; + +static const struct intel_sa_info adlp_sa_info = { + .deburst = 16, + .deprogbwlimit = 38, /* GB/s */ + .displayrtids = 256, + .derating = 20, }; static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) @@ -302,7 +313,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel bw = icl_calc_bw(sp->dclk, clpchgroup * 32 * num_channels, ct); bi->deratedbw[j] = min(maxdebw, - bw * 9 / 10); /* 90% */ + bw * (100 - sa->derating) / 100); drm_dbg_kms(&dev_priv->drm, "BW%d / QGV %d: num_planes=%d deratedbw=%u\n", @@ -400,7 +411,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv) if (IS_DG2(dev_priv)) dg2_get_bw_info(dev_priv); - else if (IS_ALDERLAKE_S(dev_priv) || IS_ALDERLAKE_P(dev_priv)) + else if (IS_ALDERLAKE_P(dev_priv)) + icl_get_bw_info(dev_priv, &adlp_sa_info); + else if (IS_ALDERLAKE_S(dev_priv)) icl_get_bw_info(dev_priv, &adls_sa_info); else if (IS_ROCKETLAKE(dev_priv)) icl_get_bw_info(dev_priv, &rkl_sa_info); diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 9903a78df896..bd184325d0c7 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3807,7 +3807,13 @@ void hsw_ddi_get_config(struct intel_encoder *encoder, static void intel_ddi_sync_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - if (intel_crtc_has_dp_encoder(crtc_state)) + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_sanitize(enc_to_dig_port(encoder)); + + if (crtc_state && intel_crtc_has_dp_encoder(crtc_state)) intel_dp_sync_state(encoder, crtc_state); } diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 134a6acbd8fb..17f44ffea586 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -13082,18 +13082,16 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) readout_plane_state(dev_priv); for_each_intel_encoder(dev, encoder) { + struct intel_crtc_state *crtc_state = NULL; + pipe = 0; if (encoder->get_hw_state(encoder, &pipe)) { - struct intel_crtc_state *crtc_state; - crtc = intel_get_crtc_for_pipe(dev_priv, pipe); crtc_state = to_intel_crtc_state(crtc->base.state); encoder->base.crtc = &crtc->base; intel_encoder_get_config(encoder, crtc_state); - if (encoder->sync_state) - encoder->sync_state(encoder, crtc_state); /* read out to slave crtc as well for bigjoiner */ if (crtc_state->bigjoiner) { @@ -13108,6 +13106,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) encoder->base.crtc = NULL; } + if (encoder->sync_state) + encoder->sync_state(encoder, crtc_state); + drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", encoder->base.base.id, encoder->base.name, @@ -13390,17 +13391,6 @@ intel_modeset_setup_hw_state(struct drm_device *dev, intel_modeset_readout_hw_state(dev); /* HW state is read out, now we need to sanitize this mess. */ - - /* Sanitize the TypeC port mode upfront, encoders depend on this */ - for_each_intel_encoder(dev, encoder) { - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - /* We need to sanitize only the MST primary port. */ - if (encoder->type != INTEL_OUTPUT_DP_MST && - intel_phy_is_tc(dev_priv, phy)) - intel_tc_port_sanitize(enc_to_dig_port(encoder)); - } - get_encoder_power_domains(dev_priv); if (HAS_PCH_IBX(dev_priv)) diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c index 3c3c6cb5c0df..b3c8e1c450ef 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc.c +++ b/drivers/gpu/drm/i915/display/intel_dmc.c @@ -805,11 +805,14 @@ void intel_dmc_ucode_resume(struct drm_i915_private *dev_priv) */ void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv) { + int id; + if (!HAS_DMC(dev_priv)) return; intel_dmc_ucode_suspend(dev_priv); drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref); - kfree(dev_priv->dmc.dmc_info[DMC_FW_MAIN].payload); + for (id = 0; id < DMC_FW_MAX; id++) + kfree(dev_priv->dmc.dmc_info[id].payload); } diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 04175f359fd6..abe3d61b6243 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2445,11 +2445,14 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) */ if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV, intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) == - sizeof(intel_dp->edp_dpcd)) + sizeof(intel_dp->edp_dpcd)) { drm_dbg_kms(&dev_priv->drm, "eDP DPCD: %*ph\n", (int)sizeof(intel_dp->edp_dpcd), intel_dp->edp_dpcd); + intel_dp->use_max_params = intel_dp->edp_dpcd[0] < DP_EDP_14; + } + /* * This has to be called after intel_dp->edp_dpcd is filled, PSR checks * for SET_POWER_CAPABLE bit in intel_dp->edp_dpcd[1] diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 053a3c2f7267..508a514c5e37 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -848,7 +848,7 @@ intel_dp_link_train_all_phys(struct intel_dp *intel_dp, } if (ret) - intel_dp_link_train_phy(intel_dp, crtc_state, DP_PHY_DPRX); + ret = intel_dp_link_train_phy(intel_dp, crtc_state, DP_PHY_DPRX); if (intel_dp->set_idle_link_train) intel_dp->set_idle_link_train(intel_dp, crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 330077c2e588..a2108a8f544d 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -814,6 +814,11 @@ struct lfp_brightness_level { u16 reserved; } __packed; +#define EXP_BDB_LFP_BL_DATA_SIZE_REV_191 \ + offsetof(struct bdb_lfp_backlight_data, brightness_level) +#define EXP_BDB_LFP_BL_DATA_SIZE_REV_234 \ + offsetof(struct bdb_lfp_backlight_data, brightness_precision_bits) + struct bdb_lfp_backlight_data { u8 entry_size; struct lfp_backlight_data_entry data[16]; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index cff72679ad7c..9ccf4b29b82e 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -986,6 +986,9 @@ void i915_gem_context_release(struct kref *ref) trace_i915_context_free(ctx); GEM_BUG_ON(!i915_gem_context_is_closed(ctx)); + if (ctx->syncobj) + drm_syncobj_put(ctx->syncobj); + mutex_destroy(&ctx->engines_mutex); mutex_destroy(&ctx->lut_mutex); @@ -1205,9 +1208,6 @@ static void context_close(struct i915_gem_context *ctx) if (vm) i915_vm_close(vm); - if (ctx->syncobj) - drm_syncobj_put(ctx->syncobj); - ctx->file_priv = ERR_PTR(-EBADF); /* diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c index e382b7f2353b..5ab136ffdeb2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c @@ -118,7 +118,7 @@ i915_gem_shrink(struct i915_gem_ww_ctx *ww, intel_wakeref_t wakeref = 0; unsigned long count = 0; unsigned long scanned = 0; - int err; + int err = 0; /* CHV + VTD workaround use stop_machine(); need to trylock vm->mutex */ bool trylock_vm = !ww && intel_vm_no_concurrent_access_wa(i915); @@ -242,12 +242,15 @@ skip: list_splice_tail(&still_in_list, phase->list); spin_unlock_irqrestore(&i915->mm.obj_lock, flags); if (err) - return err; + break; } if (shrink & I915_SHRINK_BOUND) intel_runtime_pm_put(&i915->runtime_pm, wakeref); + if (err) + return err; + if (nr_scanned) *nr_scanned += scanned; return count; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 35eedc14f522..6ea13159bffc 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -356,11 +356,8 @@ static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo) { struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); - if (likely(obj)) { - /* This releases all gem object bindings to the backend. */ + if (likely(obj)) i915_ttm_free_cached_io_st(obj); - __i915_gem_free_object(obj); - } } static struct intel_memory_region * @@ -875,8 +872,12 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo) { struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); + /* This releases all gem object bindings to the backend. */ + __i915_gem_free_object(obj); + i915_gem_object_release_memory_region(obj); mutex_destroy(&obj->ttm.get_io_page.lock); + if (obj->ttm.created) call_rcu(&obj->rcu, __i915_gem_free_object_rcu); } diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c index ffae7df5e4d7..4a6bb64c3a35 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c @@ -59,13 +59,13 @@ static int igt_dmabuf_import_self(void *arg) err = PTR_ERR(import); goto out_dmabuf; } + import_obj = to_intel_bo(import); if (import != &obj->base) { pr_err("i915_gem_prime_import created a new object!\n"); err = -EINVAL; goto out_import; } - import_obj = to_intel_bo(import); i915_gem_object_lock(import_obj, NULL); err = __i915_gem_object_get_pages(import_obj); @@ -128,6 +128,8 @@ static int igt_dmabuf_import_same_driver_lmem(void *arg) pr_err("i915_gem_prime_import failed with the wrong err=%ld\n", PTR_ERR(import)); err = PTR_ERR(import); + } else { + err = 0; } dma_buf_put(dmabuf); @@ -176,6 +178,7 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, err = PTR_ERR(import); goto out_dmabuf; } + import_obj = to_intel_bo(import); if (import == &obj->base) { pr_err("i915_gem_prime_import reused gem object!\n"); @@ -183,8 +186,6 @@ static int igt_dmabuf_import_same_driver(struct drm_i915_private *i915, goto out_import; } - import_obj = to_intel_bo(import); - i915_gem_object_lock(import_obj, NULL); err = __i915_gem_object_get_pages(import_obj); if (err) { diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c index b20f5621f62b..a2c34e5a1c54 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -581,6 +581,20 @@ static enum i915_mmap_type default_mapping(struct drm_i915_private *i915) return I915_MMAP_TYPE_GTT; } +static struct drm_i915_gem_object * +create_sys_or_internal(struct drm_i915_private *i915, + unsigned long size) +{ + if (HAS_LMEM(i915)) { + struct intel_memory_region *sys_region = + i915->mm.regions[INTEL_REGION_SMEM]; + + return __i915_gem_object_create_user(i915, size, &sys_region, 1); + } + + return i915_gem_object_create_internal(i915, size); +} + static bool assert_mmap_offset(struct drm_i915_private *i915, unsigned long size, int expected) @@ -589,7 +603,7 @@ static bool assert_mmap_offset(struct drm_i915_private *i915, u64 offset; int ret; - obj = i915_gem_object_create_internal(i915, size); + obj = create_sys_or_internal(i915, size); if (IS_ERR(obj)) return expected && expected == PTR_ERR(obj); @@ -633,6 +647,7 @@ static int igt_mmap_offset_exhaustion(void *arg) struct drm_mm_node *hole, *next; int loop, err = 0; u64 offset; + int enospc = HAS_LMEM(i915) ? -ENXIO : -ENOSPC; /* Disable background reaper */ disable_retire_worker(i915); @@ -683,14 +698,14 @@ static int igt_mmap_offset_exhaustion(void *arg) } /* Too large */ - if (!assert_mmap_offset(i915, 2 * PAGE_SIZE, -ENOSPC)) { + if (!assert_mmap_offset(i915, 2 * PAGE_SIZE, enospc)) { pr_err("Unexpectedly succeeded in inserting too large object into single page hole\n"); err = -EINVAL; goto out; } /* Fill the hole, further allocation attempts should then fail */ - obj = i915_gem_object_create_internal(i915, PAGE_SIZE); + obj = create_sys_or_internal(i915, PAGE_SIZE); if (IS_ERR(obj)) { err = PTR_ERR(obj); pr_err("Unable to create object for reclaimed hole\n"); @@ -703,7 +718,7 @@ static int igt_mmap_offset_exhaustion(void *arg) goto err_obj; } - if (!assert_mmap_offset(i915, PAGE_SIZE, -ENOSPC)) { + if (!assert_mmap_offset(i915, PAGE_SIZE, enospc)) { pr_err("Unexpectedly succeeded in inserting object into no holes!\n"); err = -EINVAL; goto err_obj; @@ -839,10 +854,9 @@ static int wc_check(struct drm_i915_gem_object *obj) static bool can_mmap(struct drm_i915_gem_object *obj, enum i915_mmap_type type) { - struct drm_i915_private *i915 = to_i915(obj->base.dev); bool no_map; - if (HAS_LMEM(i915)) + if (obj->ops->mmap_offset) return type == I915_MMAP_TYPE_FIXED; else if (type == I915_MMAP_TYPE_FIXED) return false; diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 745e84c72c90..e866105dd174 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -362,8 +362,9 @@ static int __intel_context_active(struct i915_active *active) return 0; } -static int sw_fence_dummy_notify(struct i915_sw_fence *sf, - enum i915_sw_fence_notify state) +static int __i915_sw_fence_call +sw_fence_dummy_notify(struct i915_sw_fence *sf, + enum i915_sw_fence_notify state) { return NOTIFY_DONE; } diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index d812b27835f8..0a03fbed9f9b 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -882,8 +882,6 @@ void intel_rps_park(struct intel_rps *rps) if (!intel_rps_is_enabled(rps)) return; - GEM_BUG_ON(atomic_read(&rps->num_waiters)); - if (!intel_rps_clear_active(rps)) return; @@ -1973,8 +1971,14 @@ u32 intel_rps_read_actual_frequency(struct intel_rps *rps) u32 intel_rps_read_punit_req(struct intel_rps *rps) { struct intel_uncore *uncore = rps_to_uncore(rps); + struct intel_runtime_pm *rpm = rps_to_uncore(rps)->rpm; + intel_wakeref_t wakeref; + u32 freq = 0; - return intel_uncore_read(uncore, GEN6_RPNSWREQ); + with_intel_runtime_pm_if_in_use(rpm, wakeref) + freq = intel_uncore_read(uncore, GEN6_RPNSWREQ); + + return freq; } static u32 intel_rps_get_req(u32 pureq) diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_ctb_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_ctb_abi.h index 99e1fad5ca20..c9086a600bce 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_ctb_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_ctb_abi.h @@ -102,11 +102,11 @@ static_assert(sizeof(struct guc_ct_buffer_desc) == 64); * | +-------+--------------------------------------------------------------+ * | | 7:0 | NUM_DWORDS = length (in dwords) of the embedded HXG message | * +---+-------+--------------------------------------------------------------+ - * | 1 | 31:0 | +--------------------------------------------------------+ | - * +---+-------+ | | | - * |...| | | Embedded `HXG Message`_ | | - * +---+-------+ | | | - * | n | 31:0 | +--------------------------------------------------------+ | + * | 1 | 31:0 | | + * +---+-------+ | + * |...| | [Embedded `HXG Message`_] | + * +---+-------+ | + * | n | 31:0 | | * +---+-------+--------------------------------------------------------------+ */ diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_mmio_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_mmio_abi.h index bbf1ddb77434..9baa3cb07d13 100644 --- a/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_mmio_abi.h +++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_communication_mmio_abi.h @@ -38,11 +38,11 @@ * +---+-------+--------------------------------------------------------------+ * | | Bits | Description | * +===+=======+==============================================================+ - * | 0 | 31:0 | +--------------------------------------------------------+ | - * +---+-------+ | | | - * |...| | | Embedded `HXG Message`_ | | - * +---+-------+ | | | - * | n | 31:0 | +--------------------------------------------------------+ | + * | 0 | 31:0 | | + * +---+-------+ | + * |...| | [Embedded `HXG Message`_] | + * +---+-------+ | + * | n | 31:0 | | * +---+-------+--------------------------------------------------------------+ */ diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index b104fb7607eb..86c318516e14 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -172,11 +172,6 @@ void intel_uc_driver_remove(struct intel_uc *uc) __uc_free_load_err_log(uc); } -static inline bool guc_communication_enabled(struct intel_guc *guc) -{ - return intel_guc_ct_enabled(&guc->ct); -} - /* * Events triggered while CT buffers are disabled are logged in the SCRATCH_15 * register using the same bits used in the CT message payload. Since our @@ -210,7 +205,7 @@ static void guc_get_mmio_msg(struct intel_guc *guc) static void guc_handle_mmio_msg(struct intel_guc *guc) { /* we need communication to be enabled to reply to GuC */ - GEM_BUG_ON(!guc_communication_enabled(guc)); + GEM_BUG_ON(!intel_guc_ct_enabled(&guc->ct)); spin_lock_irq(&guc->irq_lock); if (guc->mmio_msg) { @@ -226,7 +221,7 @@ static int guc_enable_communication(struct intel_guc *guc) struct drm_i915_private *i915 = gt->i915; int ret; - GEM_BUG_ON(guc_communication_enabled(guc)); + GEM_BUG_ON(intel_guc_ct_enabled(&guc->ct)); ret = i915_inject_probe_error(i915, -ENXIO); if (ret) @@ -662,7 +657,7 @@ static int __uc_resume(struct intel_uc *uc, bool enable_communication) return 0; /* Make sure we enable communication if and only if it's disabled */ - GEM_BUG_ON(enable_communication == guc_communication_enabled(guc)); + GEM_BUG_ON(enable_communication == intel_guc_ct_enabled(&guc->ct)); if (enable_communication) guc_enable_communication(guc); diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index b56a8e37a3cd..1bb1be5c48c8 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -576,7 +576,7 @@ retry: /* No one is going to touch shadow bb from now on. */ i915_gem_object_flush_map(bb->obj); - i915_gem_object_unlock(bb->obj); + i915_gem_ww_ctx_fini(&ww); } } return 0; @@ -630,7 +630,7 @@ retry: return ret; } - i915_gem_object_unlock(wa_ctx->indirect_ctx.obj); + i915_gem_ww_ctx_fini(&ww); /* FIXME: we are not tracking our pinned VMA leaving it * up to the core to fix up the stray pin_count upon diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 664970f2bc62..4037030f0984 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8193,6 +8193,11 @@ enum { #define HSW_SPR_STRETCH_MAX_X1 REG_FIELD_PREP(HSW_SPR_STRETCH_MAX_MASK, 3) #define HSW_FBCQ_DIS (1 << 22) #define BDW_DPRS_MASK_VBLANK_SRD (1 << 0) +#define SKL_PLANE1_STRETCH_MAX_MASK REG_GENMASK(1, 0) +#define SKL_PLANE1_STRETCH_MAX_X8 REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 0) +#define SKL_PLANE1_STRETCH_MAX_X4 REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 1) +#define SKL_PLANE1_STRETCH_MAX_X2 REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 2) +#define SKL_PLANE1_STRETCH_MAX_X1 REG_FIELD_PREP(SKL_PLANE1_STRETCH_MAX_MASK, 3) #define CHICKEN_PIPESL_1(pipe) _MMIO_PIPE(pipe, _CHICKEN_PIPESL_1_A, _CHICKEN_PIPESL_1_B) #define _CHICKEN_TRANS_A 0x420c0 diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index ce446716d092..79da5eca60af 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -829,8 +829,6 @@ static void __i915_request_ctor(void *arg) i915_sw_fence_init(&rq->submit, submit_notify); i915_sw_fence_init(&rq->semaphore, semaphore_notify); - dma_fence_init(&rq->fence, &i915_fence_ops, &rq->lock, 0, 0); - rq->capture_list = NULL; init_llist_head(&rq->execute_cb); @@ -905,17 +903,12 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp) rq->ring = ce->ring; rq->execution_mask = ce->engine->mask; - kref_init(&rq->fence.refcount); - rq->fence.flags = 0; - rq->fence.error = 0; - INIT_LIST_HEAD(&rq->fence.cb_list); - ret = intel_timeline_get_seqno(tl, rq, &seqno); if (ret) goto err_free; - rq->fence.context = tl->fence_context; - rq->fence.seqno = seqno; + dma_fence_init(&rq->fence, &i915_fence_ops, &rq->lock, + tl->fence_context, seqno); RCU_INIT_POINTER(rq->timeline, tl); rq->hwsp_seqno = tl->hwsp_seqno; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 65bc3709f54c..a725792d5248 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -76,6 +76,8 @@ struct intel_wm_config { static void gen9_init_clock_gating(struct drm_i915_private *dev_priv) { + enum pipe pipe; + if (HAS_LLC(dev_priv)) { /* * WaCompressedResourceDisplayNewHashMode:skl,kbl @@ -89,6 +91,16 @@ static void gen9_init_clock_gating(struct drm_i915_private *dev_priv) SKL_DE_COMPRESSED_HASH_MODE); } + for_each_pipe(dev_priv, pipe) { + /* + * "Plane N strech max must be programmed to 11b (x1) + * when Async flips are enabled on that plane." + */ + if (!IS_GEMINILAKE(dev_priv) && intel_vtd_active()) + intel_uncore_rmw(&dev_priv->uncore, CHICKEN_PIPESL_1(pipe), + SKL_PLANE1_STRETCH_MAX_MASK, SKL_PLANE1_STRETCH_MAX_X1); + } + /* See Bspec note for PSR2_CTL bit 31, Wa#828:skl,bxt,kbl,cfl */ intel_uncore_write(&dev_priv->uncore, CHICKEN_PAR1_1, intel_uncore_read(&dev_priv->uncore, CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP); diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index 1c2f4799f421..12ce669650cc 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -172,10 +172,10 @@ static int kmb_setup_mode_config(struct drm_device *drm) ret = drmm_mode_config_init(drm); if (ret) return ret; - drm->mode_config.min_width = KMB_MIN_WIDTH; - drm->mode_config.min_height = KMB_MIN_HEIGHT; - drm->mode_config.max_width = KMB_MAX_WIDTH; - drm->mode_config.max_height = KMB_MAX_HEIGHT; + drm->mode_config.min_width = KMB_FB_MIN_WIDTH; + drm->mode_config.min_height = KMB_FB_MIN_HEIGHT; + drm->mode_config.max_width = KMB_FB_MAX_WIDTH; + drm->mode_config.max_height = KMB_FB_MAX_HEIGHT; drm->mode_config.funcs = &kmb_mode_config_funcs; ret = kmb_setup_crtc(drm); diff --git a/drivers/gpu/drm/kmb/kmb_drv.h b/drivers/gpu/drm/kmb/kmb_drv.h index ebbaa5f422d5..69a62e2d03ff 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.h +++ b/drivers/gpu/drm/kmb/kmb_drv.h @@ -20,6 +20,11 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 1 +#define KMB_FB_MAX_WIDTH 1920 +#define KMB_FB_MAX_HEIGHT 1080 +#define KMB_FB_MIN_WIDTH 1 +#define KMB_FB_MIN_HEIGHT 1 + #define KMB_LCD_DEFAULT_CLK 200000000 #define KMB_SYS_CLK_MHZ 500 diff --git a/drivers/gpu/drm/kmb/kmb_plane.c b/drivers/gpu/drm/kmb/kmb_plane.c index ecee6782612d..06b0c42c9e91 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.c +++ b/drivers/gpu/drm/kmb/kmb_plane.c @@ -94,9 +94,10 @@ static int kmb_plane_atomic_check(struct drm_plane *plane, if (ret) return ret; - if (new_plane_state->crtc_w > KMB_MAX_WIDTH || new_plane_state->crtc_h > KMB_MAX_HEIGHT) - return -EINVAL; - if (new_plane_state->crtc_w < KMB_MIN_WIDTH || new_plane_state->crtc_h < KMB_MIN_HEIGHT) + if (new_plane_state->crtc_w > KMB_FB_MAX_WIDTH || + new_plane_state->crtc_h > KMB_FB_MAX_HEIGHT || + new_plane_state->crtc_w < KMB_FB_MIN_WIDTH || + new_plane_state->crtc_h < KMB_FB_MIN_HEIGHT) return -EINVAL; can_position = (plane->type == DRM_PLANE_TYPE_OVERLAY); crtc_state = @@ -277,6 +278,44 @@ static void config_csc(struct kmb_drm_private *kmb, int plane_id) kmb_write_lcd(kmb, LCD_LAYERn_CSC_OFF3(plane_id), csc_coef_lcd[11]); } +static void kmb_plane_set_alpha(struct kmb_drm_private *kmb, + const struct drm_plane_state *state, + unsigned char plane_id, + unsigned int *val) +{ + u16 plane_alpha = state->alpha; + u16 pixel_blend_mode = state->pixel_blend_mode; + int has_alpha = state->fb->format->has_alpha; + + if (plane_alpha != DRM_BLEND_ALPHA_OPAQUE) + *val |= LCD_LAYER_ALPHA_STATIC; + + if (has_alpha) { + switch (pixel_blend_mode) { + case DRM_MODE_BLEND_PIXEL_NONE: + break; + case DRM_MODE_BLEND_PREMULTI: + *val |= LCD_LAYER_ALPHA_EMBED | LCD_LAYER_ALPHA_PREMULT; + break; + case DRM_MODE_BLEND_COVERAGE: + *val |= LCD_LAYER_ALPHA_EMBED; + break; + default: + DRM_DEBUG("Missing pixel blend mode case (%s == %ld)\n", + __stringify(pixel_blend_mode), + (long)pixel_blend_mode); + break; + } + } + + if (plane_alpha == DRM_BLEND_ALPHA_OPAQUE && !has_alpha) { + *val &= LCD_LAYER_ALPHA_DISABLED; + return; + } + + kmb_write_lcd(kmb, LCD_LAYERn_ALPHA(plane_id), plane_alpha); +} + static void kmb_plane_atomic_update(struct drm_plane *plane, struct drm_atomic_state *state) { @@ -303,11 +342,12 @@ static void kmb_plane_atomic_update(struct drm_plane *plane, fb = new_plane_state->fb; if (!fb) return; + num_planes = fb->format->num_planes; kmb_plane = to_kmb_plane(plane); - plane_id = kmb_plane->id; kmb = to_kmb(plane->dev); + plane_id = kmb_plane->id; spin_lock_irq(&kmb->irq_lock); if (kmb->kmb_under_flow || kmb->kmb_flush_done) { @@ -400,20 +440,32 @@ static void kmb_plane_atomic_update(struct drm_plane *plane, config_csc(kmb, plane_id); } + kmb_plane_set_alpha(kmb, plane->state, plane_id, &val); + kmb_write_lcd(kmb, LCD_LAYERn_CFG(plane_id), val); + /* Configure LCD_CONTROL */ + ctrl = kmb_read_lcd(kmb, LCD_CONTROL); + + /* Set layer blending config */ + ctrl &= ~LCD_CTRL_ALPHA_ALL; + ctrl |= LCD_CTRL_ALPHA_BOTTOM_VL1 | + LCD_CTRL_ALPHA_BLEND_VL2; + + ctrl &= ~LCD_CTRL_ALPHA_BLEND_BKGND_DISABLE; + switch (plane_id) { case LAYER_0: - ctrl = LCD_CTRL_VL1_ENABLE; + ctrl |= LCD_CTRL_VL1_ENABLE; break; case LAYER_1: - ctrl = LCD_CTRL_VL2_ENABLE; + ctrl |= LCD_CTRL_VL2_ENABLE; break; case LAYER_2: - ctrl = LCD_CTRL_GL1_ENABLE; + ctrl |= LCD_CTRL_GL1_ENABLE; break; case LAYER_3: - ctrl = LCD_CTRL_GL2_ENABLE; + ctrl |= LCD_CTRL_GL2_ENABLE; break; } @@ -425,7 +477,7 @@ static void kmb_plane_atomic_update(struct drm_plane *plane, */ ctrl |= LCD_CTRL_VHSYNC_IDLE_LVL; - kmb_set_bitmask_lcd(kmb, LCD_CONTROL, ctrl); + kmb_write_lcd(kmb, LCD_CONTROL, ctrl); /* Enable pipeline AXI read transactions for the DMA * after setting graphics layers. This must be done @@ -490,6 +542,9 @@ struct kmb_plane *kmb_plane_init(struct drm_device *drm) enum drm_plane_type plane_type; const u32 *plane_formats; int num_plane_formats; + unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) | + BIT(DRM_MODE_BLEND_PREMULTI) | + BIT(DRM_MODE_BLEND_COVERAGE); for (i = 0; i < KMB_MAX_PLANES; i++) { plane = drmm_kzalloc(drm, sizeof(*plane), GFP_KERNEL); @@ -521,8 +576,16 @@ struct kmb_plane *kmb_plane_init(struct drm_device *drm) drm_dbg(drm, "%s : %d i=%d type=%d", __func__, __LINE__, i, plane_type); + drm_plane_create_alpha_property(&plane->base_plane); + + drm_plane_create_blend_mode_property(&plane->base_plane, + blend_caps); + + drm_plane_create_zpos_immutable_property(&plane->base_plane, i); + drm_plane_helper_add(&plane->base_plane, &kmb_plane_helper_funcs); + if (plane_type == DRM_PLANE_TYPE_PRIMARY) { primary = plane; kmb->plane = plane; diff --git a/drivers/gpu/drm/kmb/kmb_plane.h b/drivers/gpu/drm/kmb/kmb_plane.h index 486490f7a3ec..6e8d22cf8819 100644 --- a/drivers/gpu/drm/kmb/kmb_plane.h +++ b/drivers/gpu/drm/kmb/kmb_plane.h @@ -35,6 +35,9 @@ #define POSSIBLE_CRTCS 1 #define to_kmb_plane(x) container_of(x, struct kmb_plane, base_plane) +#define POSSIBLE_CRTCS 1 +#define KMB_MAX_PLANES 2 + enum layer_id { LAYER_0, LAYER_1, @@ -43,8 +46,6 @@ enum layer_id { /* KMB_MAX_PLANES */ }; -#define KMB_MAX_PLANES 1 - enum sub_plane_id { Y_PLANE, U_PLANE, diff --git a/drivers/gpu/drm/kmb/kmb_regs.h b/drivers/gpu/drm/kmb/kmb_regs.h index 48150569f702..9756101b0d32 100644 --- a/drivers/gpu/drm/kmb/kmb_regs.h +++ b/drivers/gpu/drm/kmb/kmb_regs.h @@ -43,8 +43,10 @@ #define LCD_CTRL_OUTPUT_ENABLED BIT(19) #define LCD_CTRL_BPORCH_ENABLE BIT(21) #define LCD_CTRL_FPORCH_ENABLE BIT(22) +#define LCD_CTRL_ALPHA_BLEND_BKGND_DISABLE BIT(23) #define LCD_CTRL_PIPELINE_DMA BIT(28) #define LCD_CTRL_VHSYNC_IDLE_LVL BIT(31) +#define LCD_CTRL_ALPHA_ALL (0xff << 6) /* interrupts */ #define LCD_INT_STATUS (0x4 * 0x001) @@ -115,6 +117,7 @@ #define LCD_LAYER_ALPHA_EMBED BIT(5) #define LCD_LAYER_ALPHA_COMBI (LCD_LAYER_ALPHA_STATIC | \ LCD_LAYER_ALPHA_EMBED) +#define LCD_LAYER_ALPHA_DISABLED ~(LCD_LAYER_ALPHA_COMBI) /* RGB multiplied with alpha */ #define LCD_LAYER_ALPHA_PREMULT BIT(6) #define LCD_LAYER_INVERT_COL BIT(7) diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index e9c6af78b1d7..3ddf739a6f9b 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -17,7 +17,7 @@ config DRM_MSM select DRM_SCHED select SHMEM select TMPFS - select QCOM_SCM if ARCH_QCOM + select QCOM_SCM select WANT_DEV_COREDUMP select SND_SOC_HDMI_CODEC if SND_SOC select SYNC_FILE @@ -55,7 +55,7 @@ config DRM_MSM_GPU_SUDO config DRM_MSM_HDMI_HDCP bool "Enable HDMI HDCP support in MSM DRM driver" - depends on DRM_MSM && QCOM_SCM + depends on DRM_MSM default y help Choose this option to enable HDCP state machine diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c index b8c31b697797..66f32d965c72 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/crc.c +++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c @@ -704,6 +704,7 @@ static const struct file_operations nv50_crc_flip_threshold_fops = { .open = nv50_crc_debugfs_flip_threshold_open, .read = seq_read, .write = nv50_crc_debugfs_flip_threshold_set, + .release = single_release, }; int nv50_head_crc_late_register(struct nv50_head *head) diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c index d66f97280282..72099d1e4816 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/head.c +++ b/drivers/gpu/drm/nouveau/dispnv50/head.c @@ -52,6 +52,7 @@ nv50_head_flush_clr(struct nv50_head *head, void nv50_head_flush_set_wndw(struct nv50_head *head, struct nv50_head_atom *asyh) { + if (asyh->set.curs ) head->func->curs_set(head, asyh); if (asyh->set.olut ) { asyh->olut.offset = nv50_lut_load(&head->olut, asyh->olut.buffer, @@ -67,7 +68,6 @@ nv50_head_flush_set(struct nv50_head *head, struct nv50_head_atom *asyh) if (asyh->set.view ) head->func->view (head, asyh); if (asyh->set.mode ) head->func->mode (head, asyh); if (asyh->set.core ) head->func->core_set(head, asyh); - if (asyh->set.curs ) head->func->curs_set(head, asyh); if (asyh->set.base ) head->func->base (head, asyh); if (asyh->set.ovly ) head->func->ovly (head, asyh); if (asyh->set.dither ) head->func->dither (head, asyh); diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h index c68cc957248e..a582c0cb0cb0 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/class.h +++ b/drivers/gpu/drm/nouveau/include/nvif/class.h @@ -71,6 +71,7 @@ #define PASCAL_CHANNEL_GPFIFO_A /* cla06f.h */ 0x0000c06f #define VOLTA_CHANNEL_GPFIFO_A /* clc36f.h */ 0x0000c36f #define TURING_CHANNEL_GPFIFO_A /* clc36f.h */ 0x0000c46f +#define AMPERE_CHANNEL_GPFIFO_B /* clc36f.h */ 0x0000c76f #define NV50_DISP /* cl5070.h */ 0x00005070 #define G82_DISP /* cl5070.h */ 0x00008270 @@ -200,6 +201,7 @@ #define PASCAL_DMA_COPY_B 0x0000c1b5 #define VOLTA_DMA_COPY_A 0x0000c3b5 #define TURING_DMA_COPY_A 0x0000c5b5 +#define AMPERE_DMA_COPY_B 0x0000c7b5 #define FERMI_DECOMPRESS 0x000090b8 diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h index 54fab7cc36c1..64ee82c7c1be 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h @@ -77,4 +77,5 @@ int gp100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct int gp10b_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **); int gv100_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **); int tu102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **); +int ga102_fifo_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_fifo **); #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 6d07e653f82d..c58bcdba2c7a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -844,6 +844,7 @@ nouveau_bo_move_init(struct nouveau_drm *drm) struct ttm_resource *, struct ttm_resource *); int (*init)(struct nouveau_channel *, u32 handle); } _methods[] = { + { "COPY", 4, 0xc7b5, nve0_bo_move_copy, nve0_bo_move_init }, { "COPY", 4, 0xc5b5, nve0_bo_move_copy, nve0_bo_move_init }, { "GRCE", 0, 0xc5b5, nve0_bo_move_copy, nvc0_bo_move_init }, { "COPY", 4, 0xc3b5, nve0_bo_move_copy, nve0_bo_move_init }, diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 80099ef75702..ea7769135b0d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -250,7 +250,8 @@ static int nouveau_channel_ind(struct nouveau_drm *drm, struct nvif_device *device, u64 runlist, bool priv, struct nouveau_channel **pchan) { - static const u16 oclasses[] = { TURING_CHANNEL_GPFIFO_A, + static const u16 oclasses[] = { AMPERE_CHANNEL_GPFIFO_B, + TURING_CHANNEL_GPFIFO_A, VOLTA_CHANNEL_GPFIFO_A, PASCAL_CHANNEL_GPFIFO_A, MAXWELL_CHANNEL_GPFIFO_A, @@ -386,7 +387,8 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart) nvif_object_map(&chan->user, NULL, 0); - if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) { + if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO && + chan->user.oclass < AMPERE_CHANNEL_GPFIFO_B) { ret = nvif_notify_ctor(&chan->user, "abi16ChanKilled", nouveau_channel_killed, true, NV906F_V0_NTFY_KILLED, diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index c2bc05eb2e54..1cbe01048b93 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -207,6 +207,7 @@ static const struct file_operations nouveau_pstate_fops = { .open = nouveau_debugfs_pstate_open, .read = seq_read, .write = nouveau_debugfs_pstate_set, + .release = single_release, }; static struct drm_info_list nouveau_debugfs_list[] = { diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 1f828c9f691c..6109cd9e3399 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -345,6 +345,9 @@ nouveau_accel_gr_init(struct nouveau_drm *drm) u32 arg0, arg1; int ret; + if (device->info.family >= NV_DEVICE_INFO_V0_AMPERE) + return; + /* Allocate channel that has access to the graphics engine. */ if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { arg0 = nvif_fifo_runlist(device, NV_DEVICE_HOST_RUNLIST_ENGINES_GR); @@ -469,6 +472,7 @@ nouveau_accel_init(struct nouveau_drm *drm) case PASCAL_CHANNEL_GPFIFO_A: case VOLTA_CHANNEL_GPFIFO_A: case TURING_CHANNEL_GPFIFO_A: + case AMPERE_CHANNEL_GPFIFO_B: ret = nvc0_fence_create(drm); break; default: diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 5b27845075a1..8c2ecc282723 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -247,10 +247,8 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, } ret = nouveau_bo_init(nvbo, size, align, domain, NULL, NULL); - if (ret) { - nouveau_bo_ref(NULL, &nvbo); + if (ret) return ret; - } /* we restrict allowed domains on nv50+ to only the types * that were requested at creation time. not possibly on diff --git a/drivers/gpu/drm/nouveau/nv84_fence.c b/drivers/gpu/drm/nouveau/nv84_fence.c index 7c9c928c3196..c3526a8622e3 100644 --- a/drivers/gpu/drm/nouveau/nv84_fence.c +++ b/drivers/gpu/drm/nouveau/nv84_fence.c @@ -204,7 +204,7 @@ nv84_fence_create(struct nouveau_drm *drm) priv->base.context_new = nv84_fence_context_new; priv->base.context_del = nv84_fence_context_del; - priv->base.uevent = true; + priv->base.uevent = drm->client.device.info.family < NV_DEVICE_INFO_V0_AMPERE; mutex_init(&priv->mutex); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 93ddf63d1114..ca75c5f6ecaf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2602,6 +2602,7 @@ nv172_chipset = { .top = { 0x00000001, ga100_top_new }, .disp = { 0x00000001, ga102_disp_new }, .dma = { 0x00000001, gv100_dma_new }, + .fifo = { 0x00000001, ga102_fifo_new }, }; static const struct nvkm_device_chip @@ -2622,6 +2623,7 @@ nv174_chipset = { .top = { 0x00000001, ga100_top_new }, .disp = { 0x00000001, ga102_disp_new }, .dma = { 0x00000001, gv100_dma_new }, + .fifo = { 0x00000001, ga102_fifo_new }, }; static const struct nvkm_device_chip @@ -2642,6 +2644,7 @@ nv177_chipset = { .top = { 0x00000001, ga100_top_new }, .disp = { 0x00000001, ga102_disp_new }, .dma = { 0x00000001, gv100_dma_new }, + .fifo = { 0x00000001, ga102_fifo_new }, }; static int diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c index b0ece71aefde..ce774579c89d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.c @@ -57,7 +57,7 @@ nvkm_control_mthd_pstate_info(struct nvkm_control *ctrl, void *data, u32 size) args->v0.count = 0; args->v0.ustate_ac = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE; args->v0.ustate_dc = NVIF_CONTROL_PSTATE_INFO_V0_USTATE_DISABLE; - args->v0.pwrsrc = -ENOSYS; + args->v0.pwrsrc = -ENODEV; args->v0.pstate = NVIF_CONTROL_PSTATE_INFO_V0_PSTATE_UNKNOWN; } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild index 3209eb7af65f..5e831d347a95 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild @@ -18,6 +18,7 @@ nvkm-y += nvkm/engine/fifo/gp100.o nvkm-y += nvkm/engine/fifo/gp10b.o nvkm-y += nvkm/engine/fifo/gv100.o nvkm-y += nvkm/engine/fifo/tu102.o +nvkm-y += nvkm/engine/fifo/ga102.o nvkm-y += nvkm/engine/fifo/chan.o nvkm-y += nvkm/engine/fifo/channv50.o diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c new file mode 100644 index 000000000000..c630dbd2911a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga102.c @@ -0,0 +1,311 @@ +/* + * Copyright 2021 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#define ga102_fifo(p) container_of((p), struct ga102_fifo, base.engine) +#define ga102_chan(p) container_of((p), struct ga102_chan, object) +#include <engine/fifo.h> +#include "user.h" + +#include <core/memory.h> +#include <subdev/mmu.h> +#include <subdev/timer.h> +#include <subdev/top.h> + +#include <nvif/cl0080.h> +#include <nvif/clc36f.h> +#include <nvif/class.h> + +struct ga102_fifo { + struct nvkm_fifo base; +}; + +struct ga102_chan { + struct nvkm_object object; + + struct { + u32 runl; + u32 chan; + } ctrl; + + struct nvkm_memory *mthd; + struct nvkm_memory *inst; + struct nvkm_memory *user; + struct nvkm_memory *runl; + + struct nvkm_vmm *vmm; +}; + +static int +ga102_chan_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *oclass) +{ + if (index == 0) { + oclass->ctor = nvkm_object_new; + oclass->base = (struct nvkm_sclass) { -1, -1, AMPERE_DMA_COPY_B }; + return 0; + } + + return -EINVAL; +} + +static int +ga102_chan_map(struct nvkm_object *object, void *argv, u32 argc, + enum nvkm_object_map *type, u64 *addr, u64 *size) +{ + struct ga102_chan *chan = ga102_chan(object); + struct nvkm_device *device = chan->object.engine->subdev.device; + u64 bar2 = nvkm_memory_bar2(chan->user); + + if (bar2 == ~0ULL) + return -EFAULT; + + *type = NVKM_OBJECT_MAP_IO; + *addr = device->func->resource_addr(device, 3) + bar2; + *size = 0x1000; + return 0; +} + +static int +ga102_chan_fini(struct nvkm_object *object, bool suspend) +{ + struct ga102_chan *chan = ga102_chan(object); + struct nvkm_device *device = chan->object.engine->subdev.device; + + nvkm_wr32(device, chan->ctrl.chan, 0x00000003); + + nvkm_wr32(device, chan->ctrl.runl + 0x098, 0x01000000); + nvkm_msec(device, 2000, + if (!(nvkm_rd32(device, chan->ctrl.runl + 0x098) & 0x00100000)) + break; + ); + + nvkm_wr32(device, chan->ctrl.runl + 0x088, 0); + + nvkm_wr32(device, chan->ctrl.chan, 0xffffffff); + return 0; +} + +static int +ga102_chan_init(struct nvkm_object *object) +{ + struct ga102_chan *chan = ga102_chan(object); + struct nvkm_device *device = chan->object.engine->subdev.device; + + nvkm_mask(device, chan->ctrl.runl + 0x300, 0x80000000, 0x80000000); + + nvkm_wr32(device, chan->ctrl.runl + 0x080, lower_32_bits(nvkm_memory_addr(chan->runl))); + nvkm_wr32(device, chan->ctrl.runl + 0x084, upper_32_bits(nvkm_memory_addr(chan->runl))); + nvkm_wr32(device, chan->ctrl.runl + 0x088, 2); + + nvkm_wr32(device, chan->ctrl.chan, 0x00000002); + nvkm_wr32(device, chan->ctrl.runl + 0x0090, 0); + return 0; +} + +static void * +ga102_chan_dtor(struct nvkm_object *object) +{ + struct ga102_chan *chan = ga102_chan(object); + + if (chan->vmm) { + nvkm_vmm_part(chan->vmm, chan->inst); + nvkm_vmm_unref(&chan->vmm); + } + + nvkm_memory_unref(&chan->runl); + nvkm_memory_unref(&chan->user); + nvkm_memory_unref(&chan->inst); + nvkm_memory_unref(&chan->mthd); + return chan; +} + +static const struct nvkm_object_func +ga102_chan = { + .dtor = ga102_chan_dtor, + .init = ga102_chan_init, + .fini = ga102_chan_fini, + .map = ga102_chan_map, + .sclass = ga102_chan_sclass, +}; + +static int +ga102_chan_new(struct nvkm_device *device, + const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject) +{ + struct volta_channel_gpfifo_a_v0 *args = argv; + struct nvkm_top_device *tdev; + struct nvkm_vmm *vmm; + struct ga102_chan *chan; + int ret; + + if (argc != sizeof(*args)) + return -ENOSYS; + + vmm = nvkm_uvmm_search(oclass->client, args->vmm); + if (IS_ERR(vmm)) + return PTR_ERR(vmm); + + if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL))) + return -ENOMEM; + + nvkm_object_ctor(&ga102_chan, oclass, &chan->object); + *pobject = &chan->object; + + list_for_each_entry(tdev, &device->top->device, head) { + if (tdev->type == NVKM_ENGINE_CE) { + chan->ctrl.runl = tdev->runlist; + break; + } + } + + if (!chan->ctrl.runl) + return -ENODEV; + + chan->ctrl.chan = nvkm_rd32(device, chan->ctrl.runl + 0x004) & 0xfffffff0; + + args->chid = 0; + args->inst = 0; + args->token = nvkm_rd32(device, chan->ctrl.runl + 0x008) & 0xffff0000; + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->mthd); + if (ret) + return ret; + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->inst); + if (ret) + return ret; + + nvkm_kmap(chan->inst); + nvkm_wo32(chan->inst, 0x010, 0x0000face); + nvkm_wo32(chan->inst, 0x030, 0x7ffff902); + nvkm_wo32(chan->inst, 0x048, lower_32_bits(args->ioffset)); + nvkm_wo32(chan->inst, 0x04c, upper_32_bits(args->ioffset) | + (order_base_2(args->ilength / 8) << 16)); + nvkm_wo32(chan->inst, 0x084, 0x20400000); + nvkm_wo32(chan->inst, 0x094, 0x30000001); + nvkm_wo32(chan->inst, 0x0ac, 0x00020000); + nvkm_wo32(chan->inst, 0x0e4, 0x00000000); + nvkm_wo32(chan->inst, 0x0e8, 0); + nvkm_wo32(chan->inst, 0x0f4, 0x00001000); + nvkm_wo32(chan->inst, 0x0f8, 0x10003080); + nvkm_mo32(chan->inst, 0x218, 0x00000000, 0x00000000); + nvkm_wo32(chan->inst, 0x220, lower_32_bits(nvkm_memory_bar2(chan->mthd))); + nvkm_wo32(chan->inst, 0x224, upper_32_bits(nvkm_memory_bar2(chan->mthd))); + nvkm_done(chan->inst); + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->user); + if (ret) + return ret; + + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0x1000, true, &chan->runl); + if (ret) + return ret; + + nvkm_kmap(chan->runl); + nvkm_wo32(chan->runl, 0x00, 0x80030001); + nvkm_wo32(chan->runl, 0x04, 1); + nvkm_wo32(chan->runl, 0x08, 0); + nvkm_wo32(chan->runl, 0x0c, 0x00000000); + nvkm_wo32(chan->runl, 0x10, lower_32_bits(nvkm_memory_addr(chan->user))); + nvkm_wo32(chan->runl, 0x14, upper_32_bits(nvkm_memory_addr(chan->user))); + nvkm_wo32(chan->runl, 0x18, lower_32_bits(nvkm_memory_addr(chan->inst))); + nvkm_wo32(chan->runl, 0x1c, upper_32_bits(nvkm_memory_addr(chan->inst))); + nvkm_done(chan->runl); + + ret = nvkm_vmm_join(vmm, chan->inst); + if (ret) + return ret; + + chan->vmm = nvkm_vmm_ref(vmm); + return 0; +} + +static const struct nvkm_device_oclass +ga102_chan_oclass = { + .ctor = ga102_chan_new, +}; + +static int +ga102_user_new(struct nvkm_device *device, + const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject) +{ + return tu102_fifo_user_new(oclass, argv, argc, pobject); +} + +static const struct nvkm_device_oclass +ga102_user_oclass = { + .ctor = ga102_user_new, +}; + +static int +ga102_fifo_sclass(struct nvkm_oclass *oclass, int index, const struct nvkm_device_oclass **class) +{ + if (index == 0) { + oclass->base = (struct nvkm_sclass) { -1, -1, VOLTA_USERMODE_A }; + *class = &ga102_user_oclass; + return 0; + } else + if (index == 1) { + oclass->base = (struct nvkm_sclass) { 0, 0, AMPERE_CHANNEL_GPFIFO_B }; + *class = &ga102_chan_oclass; + return 0; + } + + return 2; +} + +static int +ga102_fifo_info(struct nvkm_engine *engine, u64 mthd, u64 *data) +{ + switch (mthd) { + case NV_DEVICE_HOST_CHANNELS: *data = 1; return 0; + default: + break; + } + + return -ENOSYS; +} + +static void * +ga102_fifo_dtor(struct nvkm_engine *engine) +{ + return ga102_fifo(engine); +} + +static const struct nvkm_engine_func +ga102_fifo = { + .dtor = ga102_fifo_dtor, + .info = ga102_fifo_info, + .base.sclass = ga102_fifo_sclass, +}; + +int +ga102_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fifo **pfifo) +{ + struct ga102_fifo *fifo; + + if (!(fifo = kzalloc(sizeof(*fifo), GFP_KERNEL))) + return -ENOMEM; + + nvkm_engine_ctor(&ga102_fifo, device, type, inst, true, &fifo->base.engine); + *pfifo = &fifo->base; + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c index 31933f3e5a07..c982d834c8d9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c @@ -54,7 +54,7 @@ ga100_top_oneinit(struct nvkm_top *top) info->reset = (data & 0x0000001f); break; case 2: - info->runlist = (data & 0x0000fc00) >> 10; + info->runlist = (data & 0x00fffc00); info->engine = (data & 0x00000003); break; default: @@ -85,9 +85,10 @@ ga100_top_oneinit(struct nvkm_top *top) } nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d " - "runlist %2d engine %2d reset %2d\n", type, inst, + "runlist %6x engine %2d reset %2d\n", type, inst, info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type], - info->addr, info->fault, info->runlist, info->engine, info->reset); + info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist, + info->engine, info->reset); info = NULL; } diff --git a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c index 2d8794d495d0..3d8a9ab47cae 100644 --- a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c +++ b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c @@ -146,8 +146,8 @@ static const struct reg_sequence y030xx067a_init_sequence[] = { { 0x09, REG09_SUB_BRIGHT_R(0x20) }, { 0x0a, REG0A_SUB_BRIGHT_B(0x20) }, { 0x0b, REG0B_HD_FREERUN | REG0B_VD_FREERUN }, - { 0x0c, REG0C_CONTRAST_R(0x10) }, - { 0x0d, REG0D_CONTRAST_G(0x10) }, + { 0x0c, REG0C_CONTRAST_R(0x00) }, + { 0x0d, REG0D_CONTRAST_G(0x00) }, { 0x0e, REG0E_CONTRAST_B(0x10) }, { 0x0f, 0 }, { 0x10, REG10_BRIGHT(0x7f) }, diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 0473583dcdac..482fb0ae6cb5 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -119,7 +119,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) #endif if (pci_find_capability(pdev, PCI_CAP_ID_AGP)) - rdev->agp = radeon_agp_head_init(rdev->ddev); + rdev->agp = radeon_agp_head_init(dev); if (rdev->agp) { rdev->agp->agp_mtrr = arch_phys_wc_add( rdev->agp->agp_info.aper_base, diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index 8ab3247dbc4a..13c6b857158f 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1123,7 +1123,7 @@ static int cdn_dp_suspend(struct device *dev) return ret; } -static int cdn_dp_resume(struct device *dev) +static __maybe_unused int cdn_dp_resume(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index ba9e14da41b4..a25b98b7f5bd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1174,26 +1174,24 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, * * Action plan: * - * 1. When DRM gives us a mode, we should add 999 Hz to it. That way - * if the clock we need is 60000001 Hz (~60 MHz) and DRM tells us to - * make 60000 kHz then the clock framework will actually give us - * the right clock. + * 1. Try to set the exact rate first, and confirm the clock framework + * can provide it. * - * NOTE: if the PLL (maybe through a divider) could actually make - * a clock rate 999 Hz higher instead of the one we want then this - * could be a problem. Unfortunately there's not much we can do - * since it's baked into DRM to use kHz. It shouldn't matter in - * practice since Rockchip PLLs are controlled by tables and - * even if there is a divider in the middle I wouldn't expect PLL - * rates in the table that are just a few kHz different. + * 2. If the clock framework cannot provide the exact rate, we should + * add 999 Hz to the requested rate. That way if the clock we need + * is 60000001 Hz (~60 MHz) and DRM tells us to make 60000 kHz then + * the clock framework will actually give us the right clock. * - * 2. Get the clock framework to round the rate for us to tell us + * 3. Get the clock framework to round the rate for us to tell us * what it will actually make. * - * 3. Store the rounded up rate so that we don't need to worry about + * 4. Store the rounded up rate so that we don't need to worry about * this in the actual clk_set_rate(). */ - rate = clk_round_rate(vop->dclk, adjusted_mode->clock * 1000 + 999); + rate = clk_round_rate(vop->dclk, adjusted_mode->clock * 1000); + if (rate / 1000 != adjusted_mode->clock) + rate = clk_round_rate(vop->dclk, + adjusted_mode->clock * 1000 + 999); adjusted_mode->clock = DIV_ROUND_UP(rate, 1000); return true; diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index f75fb157f2ff..016b877051da 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -216,11 +216,13 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, goto err_disable_clk_tmds; } + ret = sun8i_hdmi_phy_init(hdmi->phy); + if (ret) + goto err_disable_clk_tmds; + drm_encoder_helper_add(encoder, &sun8i_dw_hdmi_encoder_helper_funcs); drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS); - sun8i_hdmi_phy_init(hdmi->phy); - plat_data->mode_valid = hdmi->quirks->mode_valid; plat_data->use_drm_infoframe = hdmi->quirks->use_drm_infoframe; sun8i_hdmi_phy_set_ops(hdmi->phy, plat_data); @@ -262,6 +264,7 @@ static void sun8i_dw_hdmi_unbind(struct device *dev, struct device *master, struct sun8i_dw_hdmi *hdmi = dev_get_drvdata(dev); dw_hdmi_unbind(hdmi->hdmi); + sun8i_hdmi_phy_deinit(hdmi->phy); clk_disable_unprepare(hdmi->clk_tmds); reset_control_assert(hdmi->rst_ctrl); gpiod_set_value(hdmi->ddc_en, 0); diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h index 74f6ed0e2570..bffe1b9cd3dc 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -169,6 +169,7 @@ struct sun8i_hdmi_phy { struct clk *clk_phy; struct clk *clk_pll0; struct clk *clk_pll1; + struct device *dev; unsigned int rcal; struct regmap *regs; struct reset_control *rst_phy; @@ -205,7 +206,8 @@ encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder) int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node); -void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy); +int sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy); +void sun8i_hdmi_phy_deinit(struct sun8i_hdmi_phy *phy); void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy, struct dw_hdmi_plat_data *plat_data); diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c index c9239708d398..b64d93da651d 100644 --- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c +++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c @@ -506,9 +506,60 @@ static void sun8i_hdmi_phy_init_h3(struct sun8i_hdmi_phy *phy) phy->rcal = (val & SUN8I_HDMI_PHY_ANA_STS_RCAL_MASK) >> 2; } -void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy) +int sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy) { + int ret; + + ret = reset_control_deassert(phy->rst_phy); + if (ret) { + dev_err(phy->dev, "Cannot deassert phy reset control: %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(phy->clk_bus); + if (ret) { + dev_err(phy->dev, "Cannot enable bus clock: %d\n", ret); + goto err_assert_rst_phy; + } + + ret = clk_prepare_enable(phy->clk_mod); + if (ret) { + dev_err(phy->dev, "Cannot enable mod clock: %d\n", ret); + goto err_disable_clk_bus; + } + + if (phy->variant->has_phy_clk) { + ret = sun8i_phy_clk_create(phy, phy->dev, + phy->variant->has_second_pll); + if (ret) { + dev_err(phy->dev, "Couldn't create the PHY clock\n"); + goto err_disable_clk_mod; + } + + clk_prepare_enable(phy->clk_phy); + } + phy->variant->phy_init(phy); + + return 0; + +err_disable_clk_mod: + clk_disable_unprepare(phy->clk_mod); +err_disable_clk_bus: + clk_disable_unprepare(phy->clk_bus); +err_assert_rst_phy: + reset_control_assert(phy->rst_phy); + + return ret; +} + +void sun8i_hdmi_phy_deinit(struct sun8i_hdmi_phy *phy) +{ + clk_disable_unprepare(phy->clk_mod); + clk_disable_unprepare(phy->clk_bus); + clk_disable_unprepare(phy->clk_phy); + + reset_control_assert(phy->rst_phy); } void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy, @@ -638,6 +689,7 @@ static int sun8i_hdmi_phy_probe(struct platform_device *pdev) return -ENOMEM; phy->variant = (struct sun8i_hdmi_phy_variant *)match->data; + phy->dev = dev; ret = of_address_to_resource(node, 0, &res); if (ret) { @@ -696,47 +748,10 @@ static int sun8i_hdmi_phy_probe(struct platform_device *pdev) goto err_put_clk_pll1; } - ret = reset_control_deassert(phy->rst_phy); - if (ret) { - dev_err(dev, "Cannot deassert phy reset control: %d\n", ret); - goto err_put_rst_phy; - } - - ret = clk_prepare_enable(phy->clk_bus); - if (ret) { - dev_err(dev, "Cannot enable bus clock: %d\n", ret); - goto err_deassert_rst_phy; - } - - ret = clk_prepare_enable(phy->clk_mod); - if (ret) { - dev_err(dev, "Cannot enable mod clock: %d\n", ret); - goto err_disable_clk_bus; - } - - if (phy->variant->has_phy_clk) { - ret = sun8i_phy_clk_create(phy, dev, - phy->variant->has_second_pll); - if (ret) { - dev_err(dev, "Couldn't create the PHY clock\n"); - goto err_disable_clk_mod; - } - - clk_prepare_enable(phy->clk_phy); - } - platform_set_drvdata(pdev, phy); return 0; -err_disable_clk_mod: - clk_disable_unprepare(phy->clk_mod); -err_disable_clk_bus: - clk_disable_unprepare(phy->clk_bus); -err_deassert_rst_phy: - reset_control_assert(phy->rst_phy); -err_put_rst_phy: - reset_control_put(phy->rst_phy); err_put_clk_pll1: clk_put(phy->clk_pll1); err_put_clk_pll0: @@ -753,12 +768,6 @@ static int sun8i_hdmi_phy_remove(struct platform_device *pdev) { struct sun8i_hdmi_phy *phy = platform_get_drvdata(pdev); - clk_disable_unprepare(phy->clk_mod); - clk_disable_unprepare(phy->clk_bus); - clk_disable_unprepare(phy->clk_phy); - - reset_control_assert(phy->rst_phy); - reset_control_put(phy->rst_phy); clk_put(phy->clk_pll0); diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 16c7aabb94d3..a29d64f87563 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1845,7 +1845,6 @@ tegra_crtc_update_memory_bandwidth(struct drm_crtc *crtc, bool prepare_bandwidth_transition) { const struct tegra_plane_state *old_tegra_state, *new_tegra_state; - const struct tegra_dc_state *old_dc_state, *new_dc_state; u32 i, new_avg_bw, old_avg_bw, new_peak_bw, old_peak_bw; const struct drm_plane_state *old_plane_state; const struct drm_crtc_state *old_crtc_state; @@ -1858,8 +1857,6 @@ tegra_crtc_update_memory_bandwidth(struct drm_crtc *crtc, return; old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc); - old_dc_state = to_const_dc_state(old_crtc_state); - new_dc_state = to_const_dc_state(crtc->state); if (!crtc->state->active) { if (!old_crtc_state->active) diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h index f0cb691852a1..40378308d527 100644 --- a/drivers/gpu/drm/tegra/dc.h +++ b/drivers/gpu/drm/tegra/dc.h @@ -35,12 +35,6 @@ static inline struct tegra_dc_state *to_dc_state(struct drm_crtc_state *state) return NULL; } -static inline const struct tegra_dc_state * -to_const_dc_state(const struct drm_crtc_state *state) -{ - return to_dc_state((struct drm_crtc_state *)state); -} - struct tegra_dc_stats { unsigned long frames; unsigned long vblank; diff --git a/drivers/gpu/drm/tegra/uapi.c b/drivers/gpu/drm/tegra/uapi.c index dc16a24f4dbe..690a339c52ec 100644 --- a/drivers/gpu/drm/tegra/uapi.c +++ b/drivers/gpu/drm/tegra/uapi.c @@ -222,7 +222,7 @@ int tegra_drm_ioctl_channel_map(struct drm_device *drm, void *data, struct drm_f mapping->iova = sg_dma_address(mapping->sgt->sgl); } - mapping->iova_end = mapping->iova + host1x_to_tegra_bo(mapping->bo)->size; + mapping->iova_end = mapping->iova + host1x_to_tegra_bo(mapping->bo)->gem.size; err = xa_alloc(&context->mappings, &args->mapping, mapping, XA_LIMIT(1, U32_MAX), GFP_KERNEL); diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c index cb38b1a17b09..82cbb29a05aa 100644 --- a/drivers/gpu/drm/ttm/ttm_pool.c +++ b/drivers/gpu/drm/ttm/ttm_pool.c @@ -383,7 +383,8 @@ int ttm_pool_alloc(struct ttm_pool *pool, struct ttm_tt *tt, else gfp_flags |= GFP_HIGHUSER; - for (order = min(MAX_ORDER - 1UL, __fls(num_pages)); num_pages; + for (order = min_t(unsigned int, MAX_ORDER - 1, __fls(num_pages)); + num_pages; order = min_t(unsigned int, order, __fls(num_pages))) { bool apply_caching = false; struct ttm_pool_type *pt; diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 4a1115043114..ed8a4b7f8b6e 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -167,8 +167,6 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) struct vc4_hdmi *vc4_hdmi = connector_to_vc4_hdmi(connector); bool connected = false; - WARN_ON(pm_runtime_resume_and_get(&vc4_hdmi->pdev->dev)); - if (vc4_hdmi->hpd_gpio && gpiod_get_value_cansleep(vc4_hdmi->hpd_gpio)) { connected = true; @@ -189,12 +187,10 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) } } - pm_runtime_put(&vc4_hdmi->pdev->dev); return connector_status_connected; } cec_phys_addr_invalidate(vc4_hdmi->cec_adap); - pm_runtime_put(&vc4_hdmi->pdev->dev); return connector_status_disconnected; } @@ -436,7 +432,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder); struct drm_connector *connector = &vc4_hdmi->connector; struct drm_connector_state *cstate = connector->state; - struct drm_crtc *crtc = cstate->crtc; + struct drm_crtc *crtc = encoder->crtc; const struct drm_display_mode *mode = &crtc->state->adjusted_mode; union hdmi_infoframe frame; int ret; @@ -541,11 +537,8 @@ static bool vc4_hdmi_supports_scrambling(struct drm_encoder *encoder, static void vc4_hdmi_enable_scrambling(struct drm_encoder *encoder) { + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); - struct drm_connector *connector = &vc4_hdmi->connector; - struct drm_connector_state *cstate = connector->state; - struct drm_crtc *crtc = cstate->crtc; - struct drm_display_mode *mode = &crtc->state->adjusted_mode; if (!vc4_hdmi_supports_scrambling(encoder, mode)) return; @@ -566,18 +559,17 @@ static void vc4_hdmi_enable_scrambling(struct drm_encoder *encoder) static void vc4_hdmi_disable_scrambling(struct drm_encoder *encoder) { struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); - struct drm_connector *connector = &vc4_hdmi->connector; - struct drm_connector_state *cstate = connector->state; + struct drm_crtc *crtc = encoder->crtc; /* - * At boot, connector->state will be NULL. Since we don't know the + * At boot, encoder->crtc will be NULL. Since we don't know the * state of the scrambler and in order to avoid any * inconsistency, let's disable it all the time. */ - if (cstate && !vc4_hdmi_supports_scrambling(encoder, &cstate->crtc->mode)) + if (crtc && !vc4_hdmi_supports_scrambling(encoder, &crtc->mode)) return; - if (cstate && !vc4_hdmi_mode_needs_scrambling(&cstate->crtc->mode)) + if (crtc && !vc4_hdmi_mode_needs_scrambling(&crtc->mode)) return; if (delayed_work_pending(&vc4_hdmi->scrambling_work)) @@ -635,6 +627,7 @@ static void vc4_hdmi_encoder_post_crtc_powerdown(struct drm_encoder *encoder, vc4_hdmi->variant->phy_disable(vc4_hdmi); clk_disable_unprepare(vc4_hdmi->pixel_bvb_clock); + clk_disable_unprepare(vc4_hdmi->hsm_clock); clk_disable_unprepare(vc4_hdmi->pixel_clock); ret = pm_runtime_put(&vc4_hdmi->pdev->dev); @@ -898,9 +891,7 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, vc4_hdmi_encoder_get_connector_state(encoder, state); struct vc4_hdmi_connector_state *vc4_conn_state = conn_state_to_vc4_hdmi_conn_state(conn_state); - struct drm_crtc_state *crtc_state = - drm_atomic_get_new_crtc_state(state, conn_state->crtc); - struct drm_display_mode *mode = &crtc_state->adjusted_mode; + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); unsigned long bvb_rate, pixel_rate, hsm_rate; int ret; @@ -947,6 +938,13 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, return; } + ret = clk_prepare_enable(vc4_hdmi->hsm_clock); + if (ret) { + DRM_ERROR("Failed to turn on HSM clock: %d\n", ret); + clk_disable_unprepare(vc4_hdmi->pixel_clock); + return; + } + vc4_hdmi_cec_update_clk_div(vc4_hdmi); if (pixel_rate > 297000000) @@ -959,6 +957,7 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, ret = clk_set_min_rate(vc4_hdmi->pixel_bvb_clock, bvb_rate); if (ret) { DRM_ERROR("Failed to set pixel bvb clock rate: %d\n", ret); + clk_disable_unprepare(vc4_hdmi->hsm_clock); clk_disable_unprepare(vc4_hdmi->pixel_clock); return; } @@ -966,6 +965,7 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, ret = clk_prepare_enable(vc4_hdmi->pixel_bvb_clock); if (ret) { DRM_ERROR("Failed to turn on pixel bvb clock: %d\n", ret); + clk_disable_unprepare(vc4_hdmi->hsm_clock); clk_disable_unprepare(vc4_hdmi->pixel_clock); return; } @@ -985,11 +985,7 @@ static void vc4_hdmi_encoder_pre_crtc_configure(struct drm_encoder *encoder, static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) { - struct drm_connector_state *conn_state = - vc4_hdmi_encoder_get_connector_state(encoder, state); - struct drm_crtc_state *crtc_state = - drm_atomic_get_new_crtc_state(state, conn_state->crtc); - struct drm_display_mode *mode = &crtc_state->adjusted_mode; + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder); struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); @@ -1012,11 +1008,7 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder, static void vc4_hdmi_encoder_post_crtc_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) { - struct drm_connector_state *conn_state = - vc4_hdmi_encoder_get_connector_state(encoder, state); - struct drm_crtc_state *crtc_state = - drm_atomic_get_new_crtc_state(state, conn_state->crtc); - struct drm_display_mode *mode = &crtc_state->adjusted_mode; + struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder); struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder); bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC; @@ -1204,8 +1196,8 @@ static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi, static void vc4_hdmi_set_n_cts(struct vc4_hdmi *vc4_hdmi, unsigned int samplerate) { - struct drm_connector *connector = &vc4_hdmi->connector; - struct drm_crtc *crtc = connector->state->crtc; + struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base; + struct drm_crtc *crtc = encoder->crtc; const struct drm_display_mode *mode = &crtc->state->adjusted_mode; u32 n, cts; u64 tmp; @@ -1238,13 +1230,13 @@ static inline struct vc4_hdmi *dai_to_hdmi(struct snd_soc_dai *dai) static int vc4_hdmi_audio_startup(struct device *dev, void *data) { struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev); - struct drm_connector *connector = &vc4_hdmi->connector; + struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base; /* * If the HDMI encoder hasn't probed, or the encoder is * currently in DVI mode, treat the codec dai as missing. */ - if (!connector->state || !(HDMI_READ(HDMI_RAM_PACKET_CONFIG) & + if (!encoder->crtc || !(HDMI_READ(HDMI_RAM_PACKET_CONFIG) & VC4_HDMI_RAM_PACKET_ENABLE)) return -ENODEV; @@ -1403,14 +1395,6 @@ static int vc4_hdmi_audio_prepare(struct device *dev, void *data, return 0; } -static const struct snd_soc_dapm_widget vc4_hdmi_audio_widgets[] = { - SND_SOC_DAPM_OUTPUT("TX"), -}; - -static const struct snd_soc_dapm_route vc4_hdmi_audio_routes[] = { - { "TX", NULL, "Playback" }, -}; - static const struct snd_soc_component_driver vc4_hdmi_audio_cpu_dai_comp = { .name = "vc4-hdmi-cpu-dai-component", }; @@ -2114,29 +2098,6 @@ static int vc5_hdmi_init_resources(struct vc4_hdmi *vc4_hdmi) return 0; } -#ifdef CONFIG_PM -static int vc4_hdmi_runtime_suspend(struct device *dev) -{ - struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev); - - clk_disable_unprepare(vc4_hdmi->hsm_clock); - - return 0; -} - -static int vc4_hdmi_runtime_resume(struct device *dev) -{ - struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev); - int ret; - - ret = clk_prepare_enable(vc4_hdmi->hsm_clock); - if (ret) - return ret; - - return 0; -} -#endif - static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) { const struct vc4_hdmi_variant *variant = of_device_get_match_data(dev); @@ -2391,18 +2352,11 @@ static const struct of_device_id vc4_hdmi_dt_match[] = { {} }; -static const struct dev_pm_ops vc4_hdmi_pm_ops = { - SET_RUNTIME_PM_OPS(vc4_hdmi_runtime_suspend, - vc4_hdmi_runtime_resume, - NULL) -}; - struct platform_driver vc4_hdmi_driver = { .probe = vc4_hdmi_dev_probe, .remove = vc4_hdmi_dev_remove, .driver = { .name = "vc4_hdmi", .of_match_table = vc4_hdmi_dt_match, - .pm = &vc4_hdmi_pm_ops, }, }; diff --git a/drivers/gpu/host1x/fence.c b/drivers/gpu/host1x/fence.c index 6941add95d0f..ecab72882192 100644 --- a/drivers/gpu/host1x/fence.c +++ b/drivers/gpu/host1x/fence.c @@ -15,7 +15,7 @@ #include "intr.h" #include "syncpt.h" -DEFINE_SPINLOCK(lock); +static DEFINE_SPINLOCK(lock); struct host1x_syncpt_fence { struct dma_fence base; @@ -152,8 +152,10 @@ struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold) return ERR_PTR(-ENOMEM); fence->waiter = kzalloc(sizeof(*fence->waiter), GFP_KERNEL); - if (!fence->waiter) + if (!fence->waiter) { + kfree(fence); return ERR_PTR(-ENOMEM); + } fence->sp = sp; fence->threshold = threshold; diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c index 79b138fd4261..05c007b213f2 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c @@ -255,13 +255,13 @@ static int amd_mp2_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i if (!privdata->cl_data) return -ENOMEM; - rc = devm_add_action_or_reset(&pdev->dev, amd_mp2_pci_remove, privdata); + mp2_select_ops(privdata); + + rc = amd_sfh_hid_client_init(privdata); if (rc) return rc; - mp2_select_ops(privdata); - - return amd_sfh_hid_client_init(privdata); + return devm_add_action_or_reset(&pdev->dev, amd_mp2_pci_remove, privdata); } static int __maybe_unused amd_mp2_pci_resume(struct device *dev) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 833fcf07ff35..6ccfa0cb997a 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -336,12 +336,19 @@ static int apple_event(struct hid_device *hdev, struct hid_field *field, /* * MacBook JIS keyboard has wrong logical maximum + * Magic Keyboard JIS has wrong logical maximum */ static __u8 *apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { struct apple_sc *asc = hid_get_drvdata(hdev); + if(*rsize >=71 && rdesc[70] == 0x65 && rdesc[64] == 0x65) { + hid_info(hdev, + "fixing up Magic Keyboard JIS report descriptor\n"); + rdesc[64] = rdesc[70] = 0xe7; + } + if ((asc->quirks & APPLE_RDESC_JIS) && *rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) { hid_info(hdev, diff --git a/drivers/hid/hid-betopff.c b/drivers/hid/hid-betopff.c index 0790fbd3fc9a..467d789f9bc2 100644 --- a/drivers/hid/hid-betopff.c +++ b/drivers/hid/hid-betopff.c @@ -56,15 +56,22 @@ static int betopff_init(struct hid_device *hid) { struct betopff_device *betopff; struct hid_report *report; - struct hid_input *hidinput = - list_first_entry(&hid->inputs, struct hid_input, list); + struct hid_input *hidinput; struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; + struct input_dev *dev; int field_count = 0; int error; int i, j; + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + return -ENODEV; + } + + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + dev = hidinput->input; + if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; diff --git a/drivers/hid/hid-u2fzero.c b/drivers/hid/hid-u2fzero.c index 95e0807878c7..d70cd3d7f583 100644 --- a/drivers/hid/hid-u2fzero.c +++ b/drivers/hid/hid-u2fzero.c @@ -198,7 +198,9 @@ static int u2fzero_rng_read(struct hwrng *rng, void *data, } ret = u2fzero_recv(dev, &req, &resp); - if (ret < 0) + + /* ignore errors or packets without data */ + if (ret < offsetof(struct u2f_hid_msg, init.data)) return 0; /* only take the minimum amount of data it is safe to take */ diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index fd51769d0994..33a6908995b1 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -4746,6 +4746,12 @@ static const struct wacom_features wacom_features_0x393 = { "Wacom Intuos Pro S", 31920, 19950, 8191, 63, INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 10 }; +static const struct wacom_features wacom_features_0x3c6 = + { "Wacom Intuos BT S", 15200, 9500, 4095, 63, + INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 }; +static const struct wacom_features wacom_features_0x3c8 = + { "Wacom Intuos BT M", 21600, 13500, 4095, 63, + INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID }; @@ -4919,6 +4925,8 @@ const struct hid_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x37A) }, { USB_DEVICE_WACOM(0x37B) }, { BT_DEVICE_WACOM(0x393) }, + { BT_DEVICE_WACOM(0x3c6) }, + { BT_DEVICE_WACOM(0x3c8) }, { USB_DEVICE_WACOM(0x4001) }, { USB_DEVICE_WACOM(0x4004) }, { USB_DEVICE_WACOM(0x5000) }, diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 2aee356840a2..314015d9e912 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -245,6 +245,7 @@ void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info) mutex_unlock(&ring_info->ring_buffer_mutex); kfree(ring_info->pkt_buffer); + ring_info->pkt_buffer = NULL; ring_info->pkt_buffer_size = 0; } diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 38bc35ac8135..3618a924e78e 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -362,12 +362,6 @@ static const struct hwmon_channel_info *k10temp_info[] = { HWMON_T_INPUT | HWMON_T_LABEL, HWMON_T_INPUT | HWMON_T_LABEL, HWMON_T_INPUT | HWMON_T_LABEL), - HWMON_CHANNEL_INFO(in, - HWMON_I_INPUT | HWMON_I_LABEL, - HWMON_I_INPUT | HWMON_I_LABEL), - HWMON_CHANNEL_INFO(curr, - HWMON_C_INPUT | HWMON_C_LABEL, - HWMON_C_INPUT | HWMON_C_LABEL), NULL }; diff --git a/drivers/hwmon/ltc2947-core.c b/drivers/hwmon/ltc2947-core.c index bb3f7749a0b0..5423466de697 100644 --- a/drivers/hwmon/ltc2947-core.c +++ b/drivers/hwmon/ltc2947-core.c @@ -989,8 +989,12 @@ static int ltc2947_setup(struct ltc2947_data *st) return ret; /* check external clock presence */ - extclk = devm_clk_get(st->dev, NULL); - if (!IS_ERR(extclk)) { + extclk = devm_clk_get_optional(st->dev, NULL); + if (IS_ERR(extclk)) + return dev_err_probe(st->dev, PTR_ERR(extclk), + "Failed to get external clock\n"); + + if (extclk) { unsigned long rate_hz; u8 pre = 0, div, tbctl; u64 aux; diff --git a/drivers/hwmon/mlxreg-fan.c b/drivers/hwmon/mlxreg-fan.c index 116681fde33d..89fe7b9fe26b 100644 --- a/drivers/hwmon/mlxreg-fan.c +++ b/drivers/hwmon/mlxreg-fan.c @@ -315,8 +315,8 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, { struct mlxreg_fan *fan = cdev->devdata; unsigned long cur_state; + int i, config = 0; u32 regval; - int i; int err; /* @@ -329,6 +329,12 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, * overwritten. */ if (state >= MLXREG_FAN_SPEED_MIN && state <= MLXREG_FAN_SPEED_MAX) { + /* + * This is configuration change, which is only supported through sysfs. + * For configuration non-zero value is to be returned to avoid thermal + * statistics update. + */ + config = 1; state -= MLXREG_FAN_MAX_STATE; for (i = 0; i < state; i++) fan->cooling_levels[i] = state; @@ -343,7 +349,7 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, cur_state = MLXREG_FAN_PWM_DUTY2STATE(regval); if (state < cur_state) - return 0; + return config; state = cur_state; } @@ -359,7 +365,7 @@ static int mlxreg_fan_set_cur_state(struct thermal_cooling_device *cdev, dev_err(fan->dev, "Failed to write PWM duty\n"); return err; } - return 0; + return config; } static const struct thermal_cooling_device_ops mlxreg_fan_cooling_ops = { diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c index 0d68a78be980..ae664613289c 100644 --- a/drivers/hwmon/occ/common.c +++ b/drivers/hwmon/occ/common.c @@ -340,18 +340,11 @@ static ssize_t occ_show_temp_10(struct device *dev, if (val == OCC_TEMP_SENSOR_FAULT) return -EREMOTEIO; - /* - * VRM doesn't return temperature, only alarm bit. This - * attribute maps to tempX_alarm instead of tempX_input for - * VRM - */ - if (temp->fru_type != OCC_FRU_TYPE_VRM) { - /* sensor not ready */ - if (val == 0) - return -EAGAIN; + /* sensor not ready */ + if (val == 0) + return -EAGAIN; - val *= 1000; - } + val *= 1000; break; case 2: val = temp->fru_type; @@ -886,7 +879,7 @@ static int occ_setup_sensor_attrs(struct occ *occ) 0, i); attr++; - if (sensors->temp.version > 1 && + if (sensors->temp.version == 2 && temp->fru_type == OCC_FRU_TYPE_VRM) { snprintf(attr->name, sizeof(attr->name), "temp%d_alarm", s); diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c index df712ce4b164..53f7d1418bc9 100644 --- a/drivers/hwmon/pmbus/ibm-cffps.c +++ b/drivers/hwmon/pmbus/ibm-cffps.c @@ -171,8 +171,14 @@ static ssize_t ibm_cffps_debugfs_read(struct file *file, char __user *buf, cmd = CFFPS_SN_CMD; break; case CFFPS_DEBUGFS_MAX_POWER_OUT: - rc = i2c_smbus_read_word_swapped(psu->client, - CFFPS_MAX_POWER_OUT_CMD); + if (psu->version == cffps1) { + rc = i2c_smbus_read_word_swapped(psu->client, + CFFPS_MAX_POWER_OUT_CMD); + } else { + rc = i2c_smbus_read_word_data(psu->client, + CFFPS_MAX_POWER_OUT_CMD); + } + if (rc < 0) return rc; diff --git a/drivers/hwmon/pmbus/mp2975.c b/drivers/hwmon/pmbus/mp2975.c index eb94bd5f4e2a..51986adfbf47 100644 --- a/drivers/hwmon/pmbus/mp2975.c +++ b/drivers/hwmon/pmbus/mp2975.c @@ -54,7 +54,7 @@ #define MP2975_RAIL2_FUNC (PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT | \ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | \ - PMBUS_PHASE_VIRTUAL) + PMBUS_HAVE_POUT | PMBUS_PHASE_VIRTUAL) struct mp2975_data { struct pmbus_driver_info info; diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index ede66ea6a730..b963a369c5ab 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -100,71 +100,81 @@ struct tmp421_data { s16 temp[4]; }; -static int temp_from_s16(s16 reg) +static int temp_from_raw(u16 reg, bool extended) { /* Mask out status bits */ int temp = reg & ~0xf; - return (temp * 1000 + 128) / 256; -} - -static int temp_from_u16(u16 reg) -{ - /* Mask out status bits */ - int temp = reg & ~0xf; - - /* Add offset for extended temperature range. */ - temp -= 64 * 256; + if (extended) + temp = temp - 64 * 256; + else + temp = (s16)temp; - return (temp * 1000 + 128) / 256; + return DIV_ROUND_CLOSEST(temp * 1000, 256); } -static struct tmp421_data *tmp421_update_device(struct device *dev) +static int tmp421_update_device(struct tmp421_data *data) { - struct tmp421_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; + int ret = 0; int i; mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + (HZ / 2)) || !data->valid) { - data->config = i2c_smbus_read_byte_data(client, - TMP421_CONFIG_REG_1); + ret = i2c_smbus_read_byte_data(client, TMP421_CONFIG_REG_1); + if (ret < 0) + goto exit; + data->config = ret; for (i = 0; i < data->channels; i++) { - data->temp[i] = i2c_smbus_read_byte_data(client, - TMP421_TEMP_MSB[i]) << 8; - data->temp[i] |= i2c_smbus_read_byte_data(client, - TMP421_TEMP_LSB[i]); + ret = i2c_smbus_read_byte_data(client, TMP421_TEMP_MSB[i]); + if (ret < 0) + goto exit; + data->temp[i] = ret << 8; + + ret = i2c_smbus_read_byte_data(client, TMP421_TEMP_LSB[i]); + if (ret < 0) + goto exit; + data->temp[i] |= ret; } data->last_updated = jiffies; data->valid = 1; } +exit: mutex_unlock(&data->update_lock); - return data; + if (ret < 0) { + data->valid = 0; + return ret; + } + + return 0; } static int tmp421_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { - struct tmp421_data *tmp421 = tmp421_update_device(dev); + struct tmp421_data *tmp421 = dev_get_drvdata(dev); + int ret = 0; + + ret = tmp421_update_device(tmp421); + if (ret) + return ret; switch (attr) { case hwmon_temp_input: - if (tmp421->config & TMP421_CONFIG_RANGE) - *val = temp_from_u16(tmp421->temp[channel]); - else - *val = temp_from_s16(tmp421->temp[channel]); + *val = temp_from_raw(tmp421->temp[channel], + tmp421->config & TMP421_CONFIG_RANGE); return 0; case hwmon_temp_fault: /* - * The OPEN bit signals a fault. This is bit 0 of the temperature - * register (low byte). + * Any of OPEN or /PVLD bits indicate a hardware mulfunction + * and the conversion result may be incorrect */ - *val = tmp421->temp[channel] & 0x01; + *val = !!(tmp421->temp[channel] & 0x03); return 0; default: return -EOPNOTSUPP; @@ -177,9 +187,6 @@ static umode_t tmp421_is_visible(const void *data, enum hwmon_sensor_types type, { switch (attr) { case hwmon_temp_fault: - if (channel == 0) - return 0; - return 0444; case hwmon_temp_input: return 0444; default: diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 37b25a1474c4..3c1be2c11fdf 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -273,9 +273,6 @@ struct w83791d_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - /* array of 2 pointers to subclients */ - struct i2c_client *lm75[2]; - /* volts */ u8 in[NUMBER_OF_VIN]; /* Register value */ u8 in_max[NUMBER_OF_VIN]; /* Register value */ @@ -1257,7 +1254,6 @@ static const struct attribute_group w83791d_group_fanpwm45 = { static int w83791d_detect_subclients(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; - struct w83791d_data *data = i2c_get_clientdata(client); int address = client->addr; int i, id; u8 val; @@ -1280,22 +1276,19 @@ static int w83791d_detect_subclients(struct i2c_client *client) } val = w83791d_read(client, W83791D_REG_I2C_SUBADDR); - if (!(val & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + (val & 0x7)); - if (!(val & 0x80)) { - if (!IS_ERR(data->lm75[0]) && - ((val & 0x7) == ((val >> 4) & 0x7))) { - dev_err(&client->dev, - "duplicate addresses 0x%x, " - "use force_subclient\n", - data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + ((val >> 4) & 0x7)); + + if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { + dev_err(&client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); + return -ENODEV; } + if (!(val & 0x08)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (val & 0x7)); + + if (!(val & 0x80)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); + return 0; } diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index abd5c3a722b9..1f175f381350 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -264,9 +264,6 @@ struct w83792d_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - /* array of 2 pointers to subclients */ - struct i2c_client *lm75[2]; - u8 in[9]; /* Register value */ u8 in_max[9]; /* Register value */ u8 in_min[9]; /* Register value */ @@ -927,7 +924,6 @@ w83792d_detect_subclients(struct i2c_client *new_client) int address = new_client->addr; u8 val; struct i2c_adapter *adapter = new_client->adapter; - struct w83792d_data *data = i2c_get_clientdata(new_client); id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -946,21 +942,19 @@ w83792d_detect_subclients(struct i2c_client *new_client) } val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); - if (!(val & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&new_client->dev, adapter, - 0x48 + (val & 0x7)); - if (!(val & 0x80)) { - if (!IS_ERR(data->lm75[0]) && - ((val & 0x7) == ((val >> 4) & 0x7))) { - dev_err(&new_client->dev, - "duplicate addresses 0x%x, use force_subclient\n", - data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&new_client->dev, adapter, - 0x48 + ((val >> 4) & 0x7)); + + if (!(val & 0x88) && (val & 0x7) == ((val >> 4) & 0x7)) { + dev_err(&new_client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (val & 0x7)); + return -ENODEV; } + if (!(val & 0x08)) + devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + (val & 0x7)); + + if (!(val & 0x80)) + devm_i2c_new_dummy_device(&new_client->dev, adapter, 0x48 + ((val >> 4) & 0x7)); + return 0; } diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index e7d0484eabe4..1d2854de1cfc 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -202,7 +202,6 @@ static inline s8 TEMP_TO_REG(long val, s8 min, s8 max) } struct w83793_data { - struct i2c_client *lm75[2]; struct device *hwmon_dev; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ @@ -1566,7 +1565,6 @@ w83793_detect_subclients(struct i2c_client *client) int address = client->addr; u8 tmp; struct i2c_adapter *adapter = client->adapter; - struct w83793_data *data = i2c_get_clientdata(client); id = i2c_adapter_id(adapter); if (force_subclients[0] == id && force_subclients[1] == address) { @@ -1586,21 +1584,19 @@ w83793_detect_subclients(struct i2c_client *client) } tmp = w83793_read_value(client, W83793_REG_I2C_SUBADDR); - if (!(tmp & 0x08)) - data->lm75[0] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + (tmp & 0x7)); - if (!(tmp & 0x80)) { - if (!IS_ERR(data->lm75[0]) - && ((tmp & 0x7) == ((tmp >> 4) & 0x7))) { - dev_err(&client->dev, - "duplicate addresses 0x%x, " - "use force_subclients\n", data->lm75[0]->addr); - return -ENODEV; - } - data->lm75[1] = devm_i2c_new_dummy_device(&client->dev, adapter, - 0x48 + ((tmp >> 4) & 0x7)); + + if (!(tmp & 0x88) && (tmp & 0x7) == ((tmp >> 4) & 0x7)) { + dev_err(&client->dev, + "duplicate addresses 0x%x, use force_subclient\n", 0x48 + (tmp & 0x7)); + return -ENODEV; } + if (!(tmp & 0x08)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + (tmp & 0x7)); + + if (!(tmp & 0x80)) + devm_i2c_new_dummy_device(&client->dev, adapter, 0x48 + ((tmp >> 4) & 0x7)); + return 0; } diff --git a/drivers/hwtracing/coresight/coresight-syscfg.c b/drivers/hwtracing/coresight/coresight-syscfg.c index fc0760f55c53..43054568430f 100644 --- a/drivers/hwtracing/coresight/coresight-syscfg.c +++ b/drivers/hwtracing/coresight/coresight-syscfg.c @@ -5,6 +5,7 @@ */ #include <linux/platform_device.h> +#include <linux/slab.h> #include "coresight-config.h" #include "coresight-etm-perf.h" diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c index 4e0b7c2882ce..015e11c4663f 100644 --- a/drivers/i2c/busses/i2c-mlxcpld.c +++ b/drivers/i2c/busses/i2c-mlxcpld.c @@ -49,7 +49,7 @@ #define MLXCPLD_LPCI2C_NACK_IND 2 #define MLXCPLD_I2C_FREQ_1000KHZ_SET 0x04 -#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0f +#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0c #define MLXCPLD_I2C_FREQ_100KHZ_SET 0x42 enum mlxcpld_i2c_frequency { @@ -495,7 +495,7 @@ mlxcpld_i2c_set_frequency(struct mlxcpld_i2c_priv *priv, return err; /* Set frequency only if it is not 100KHz, which is default. */ - switch ((data->reg & data->mask) >> data->bit) { + switch ((regval & data->mask) >> data->bit) { case MLXCPLD_I2C_FREQ_1000KHZ: freq = MLXCPLD_I2C_FREQ_1000KHZ_SET; break; diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c index 477480d1de6b..7d4b3eb7077a 100644 --- a/drivers/i2c/busses/i2c-mt65xx.c +++ b/drivers/i2c/busses/i2c-mt65xx.c @@ -41,6 +41,8 @@ #define I2C_HANDSHAKE_RST 0x0020 #define I2C_FIFO_ADDR_CLR 0x0001 #define I2C_DELAY_LEN 0x0002 +#define I2C_ST_START_CON 0x8001 +#define I2C_FS_START_CON 0x1800 #define I2C_TIME_CLR_VALUE 0x0000 #define I2C_TIME_DEFAULT_VALUE 0x0003 #define I2C_WRRD_TRANAC_VALUE 0x0002 @@ -480,6 +482,7 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c) { u16 control_reg; u16 intr_stat_reg; + u16 ext_conf_val; mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_START); intr_stat_reg = mtk_i2c_readw(i2c, OFFSET_INTR_STAT); @@ -518,8 +521,13 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c) if (i2c->dev_comp->ltiming_adjust) mtk_i2c_writew(i2c, i2c->ltiming_reg, OFFSET_LTIMING); + if (i2c->speed_hz <= I2C_MAX_STANDARD_MODE_FREQ) + ext_conf_val = I2C_ST_START_CON; + else + ext_conf_val = I2C_FS_START_CON; + if (i2c->dev_comp->timing_adjust) { - mtk_i2c_writew(i2c, i2c->ac_timing.ext, OFFSET_EXT_CONF); + ext_conf_val = i2c->ac_timing.ext; mtk_i2c_writew(i2c, i2c->ac_timing.inter_clk_div, OFFSET_CLOCK_DIV); mtk_i2c_writew(i2c, I2C_SCL_MIS_COMP_VALUE, @@ -544,6 +552,7 @@ static void mtk_i2c_init_hw(struct mtk_i2c *i2c) OFFSET_HS_STA_STO_AC_TIMING); } } + mtk_i2c_writew(i2c, ext_conf_val, OFFSET_EXT_CONF); /* If use i2c pin from PMIC mt6397 side, need set PATH_DIR first */ if (i2c->have_pmic) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index aaeeacc12121..546cc935e035 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -454,6 +454,7 @@ static int i2c_acpi_notify(struct notifier_block *nb, unsigned long value, break; i2c_acpi_register_device(adapter, adev, &info); + put_device(&adapter->dev); break; case ACPI_RECONFIG_DEVICE_REMOVE: if (!acpi_device_enumerated(adev)) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index c40791baced5..704ce595542c 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1746,15 +1746,16 @@ static void cma_cancel_route(struct rdma_id_private *id_priv) } } -static void cma_cancel_listens(struct rdma_id_private *id_priv) +static void _cma_cancel_listens(struct rdma_id_private *id_priv) { struct rdma_id_private *dev_id_priv; + lockdep_assert_held(&lock); + /* * Remove from listen_any_list to prevent added devices from spawning * additional listen requests. */ - mutex_lock(&lock); list_del(&id_priv->list); while (!list_empty(&id_priv->listen_list)) { @@ -1768,6 +1769,12 @@ static void cma_cancel_listens(struct rdma_id_private *id_priv) rdma_destroy_id(&dev_id_priv->id); mutex_lock(&lock); } +} + +static void cma_cancel_listens(struct rdma_id_private *id_priv) +{ + mutex_lock(&lock); + _cma_cancel_listens(id_priv); mutex_unlock(&lock); } @@ -1776,6 +1783,14 @@ static void cma_cancel_operation(struct rdma_id_private *id_priv, { switch (state) { case RDMA_CM_ADDR_QUERY: + /* + * We can avoid doing the rdma_addr_cancel() based on state, + * only RDMA_CM_ADDR_QUERY has a work that could still execute. + * Notice that the addr_handler work could still be exiting + * outside this state, however due to the interaction with the + * handler_mutex the work is guaranteed not to touch id_priv + * during exit. + */ rdma_addr_cancel(&id_priv->id.route.addr.dev_addr); break; case RDMA_CM_ROUTE_QUERY: @@ -1810,6 +1825,8 @@ static void cma_release_port(struct rdma_id_private *id_priv) static void destroy_mc(struct rdma_id_private *id_priv, struct cma_multicast *mc) { + bool send_only = mc->join_state == BIT(SENDONLY_FULLMEMBER_JOIN); + if (rdma_cap_ib_mcast(id_priv->id.device, id_priv->id.port_num)) ib_sa_free_multicast(mc->sa_mc); @@ -1826,7 +1843,10 @@ static void destroy_mc(struct rdma_id_private *id_priv, cma_set_mgid(id_priv, (struct sockaddr *)&mc->addr, &mgid); - cma_igmp_send(ndev, &mgid, false); + + if (!send_only) + cma_igmp_send(ndev, &mgid, false); + dev_put(ndev); } @@ -2574,7 +2594,7 @@ static int cma_listen_on_all(struct rdma_id_private *id_priv) return 0; err_listen: - list_del(&id_priv->list); + _cma_cancel_listens(id_priv); mutex_unlock(&lock); if (to_destroy) rdma_destroy_id(&to_destroy->id); @@ -3413,6 +3433,21 @@ int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, if (dst_addr->sa_family == AF_IB) { ret = cma_resolve_ib_addr(id_priv); } else { + /* + * The FSM can return back to RDMA_CM_ADDR_BOUND after + * rdma_resolve_ip() is called, eg through the error + * path in addr_handler(). If this happens the existing + * request must be canceled before issuing a new one. + * Since canceling a request is a bit slow and this + * oddball path is rare, keep track once a request has + * been issued. The track turns out to be a permanent + * state since this is the only cancel as it is + * immediately before rdma_resolve_ip(). + */ + if (id_priv->used_resolve_ip) + rdma_addr_cancel(&id->route.addr.dev_addr); + else + id_priv->used_resolve_ip = 1; ret = rdma_resolve_ip(cma_src_addr(id_priv), dst_addr, &id->route.addr.dev_addr, timeout_ms, addr_handler, @@ -3771,9 +3806,13 @@ int rdma_listen(struct rdma_cm_id *id, int backlog) int ret; if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_LISTEN)) { + struct sockaddr_in any_in = { + .sin_family = AF_INET, + .sin_addr.s_addr = htonl(INADDR_ANY), + }; + /* For a well behaved ULP state will be RDMA_CM_IDLE */ - id->route.addr.src_addr.ss_family = AF_INET; - ret = rdma_bind_addr(id, cma_src_addr(id_priv)); + ret = rdma_bind_addr(id, (struct sockaddr *)&any_in); if (ret) return ret; if (WARN_ON(!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, diff --git a/drivers/infiniband/core/cma_priv.h b/drivers/infiniband/core/cma_priv.h index 5c463da99845..f92f101ea981 100644 --- a/drivers/infiniband/core/cma_priv.h +++ b/drivers/infiniband/core/cma_priv.h @@ -91,6 +91,7 @@ struct rdma_id_private { u8 afonly; u8 timeout; u8 min_rnr_timer; + u8 used_resolve_ip; enum ib_gid_type gid_type; /* diff --git a/drivers/infiniband/hw/hfi1/ipoib_tx.c b/drivers/infiniband/hw/hfi1/ipoib_tx.c index e74ddbe46589..15b0cb0f363f 100644 --- a/drivers/infiniband/hw/hfi1/ipoib_tx.c +++ b/drivers/infiniband/hw/hfi1/ipoib_tx.c @@ -876,14 +876,14 @@ void hfi1_ipoib_tx_timeout(struct net_device *dev, unsigned int q) struct hfi1_ipoib_txq *txq = &priv->txqs[q]; u64 completed = atomic64_read(&txq->complete_txreqs); - dd_dev_info(priv->dd, "timeout txq %llx q %u stopped %u stops %d no_desc %d ring_full %d\n", - (unsigned long long)txq, q, + dd_dev_info(priv->dd, "timeout txq %p q %u stopped %u stops %d no_desc %d ring_full %d\n", + txq, q, __netif_subqueue_stopped(dev, txq->q_idx), atomic_read(&txq->stops), atomic_read(&txq->no_desc), atomic_read(&txq->ring_full)); - dd_dev_info(priv->dd, "sde %llx engine %u\n", - (unsigned long long)txq->sde, + dd_dev_info(priv->dd, "sde %p engine %u\n", + txq->sde, txq->sde ? txq->sde->this_idx : 0); dd_dev_info(priv->dd, "flow %x\n", txq->flow.as_int); dd_dev_info(priv->dd, "sent %llu completed %llu used %llu\n", diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c index 1e9c3c5bee68..d763f097599f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_cq.c +++ b/drivers/infiniband/hw/hns/hns_roce_cq.c @@ -326,19 +326,30 @@ static void set_cq_param(struct hns_roce_cq *hr_cq, u32 cq_entries, int vector, INIT_LIST_HEAD(&hr_cq->rq_list); } -static void set_cqe_size(struct hns_roce_cq *hr_cq, struct ib_udata *udata, - struct hns_roce_ib_create_cq *ucmd) +static int set_cqe_size(struct hns_roce_cq *hr_cq, struct ib_udata *udata, + struct hns_roce_ib_create_cq *ucmd) { struct hns_roce_dev *hr_dev = to_hr_dev(hr_cq->ib_cq.device); - if (udata) { - if (udata->inlen >= offsetofend(typeof(*ucmd), cqe_size)) - hr_cq->cqe_size = ucmd->cqe_size; - else - hr_cq->cqe_size = HNS_ROCE_V2_CQE_SIZE; - } else { + if (!udata) { hr_cq->cqe_size = hr_dev->caps.cqe_sz; + return 0; + } + + if (udata->inlen >= offsetofend(typeof(*ucmd), cqe_size)) { + if (ucmd->cqe_size != HNS_ROCE_V2_CQE_SIZE && + ucmd->cqe_size != HNS_ROCE_V3_CQE_SIZE) { + ibdev_err(&hr_dev->ib_dev, + "invalid cqe size %u.\n", ucmd->cqe_size); + return -EINVAL; + } + + hr_cq->cqe_size = ucmd->cqe_size; + } else { + hr_cq->cqe_size = HNS_ROCE_V2_CQE_SIZE; } + + return 0; } int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr, @@ -366,7 +377,9 @@ int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr, set_cq_param(hr_cq, attr->cqe, attr->comp_vector, &ucmd); - set_cqe_size(hr_cq, udata, &ucmd); + ret = set_cqe_size(hr_cq, udata, &ucmd); + if (ret) + return ret; ret = alloc_cq_buf(hr_dev, hr_cq, udata, ucmd.buf_addr); if (ret) { diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 5b9953105752..d5f3faa1627a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3299,7 +3299,7 @@ static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, dest = get_cqe_v2(hr_cq, (prod_index + nfreed) & hr_cq->ib_cq.cqe); owner_bit = hr_reg_read(dest, CQE_OWNER); - memcpy(dest, cqe, sizeof(*cqe)); + memcpy(dest, cqe, hr_cq->cqe_size); hr_reg_write(dest, CQE_OWNER, owner_bit); } } @@ -4397,7 +4397,12 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, hr_qp->path_mtu = ib_mtu; mtu = ib_mtu_enum_to_int(ib_mtu); - if (WARN_ON(mtu < 0)) + if (WARN_ON(mtu <= 0)) + return -EINVAL; +#define MAX_LP_MSG_LEN 65536 + /* MTU * (2 ^ LP_PKTN_INI) shouldn't be bigger than 64KB */ + lp_pktn_ini = ilog2(MAX_LP_MSG_LEN / mtu); + if (WARN_ON(lp_pktn_ini >= 0xF)) return -EINVAL; if (attr_mask & IB_QP_PATH_MTU) { @@ -4405,10 +4410,6 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, hr_reg_clear(qpc_mask, QPC_MTU); } -#define MAX_LP_MSG_LEN 65536 - /* MTU * (2 ^ LP_PKTN_INI) shouldn't be bigger than 64KB */ - lp_pktn_ini = ilog2(MAX_LP_MSG_LEN / mtu); - hr_reg_write(context, QPC_LP_PKTN_INI, lp_pktn_ini); hr_reg_clear(qpc_mask, QPC_LP_PKTN_INI); diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c index 6b62299abfbb..6dea0a49d171 100644 --- a/drivers/infiniband/hw/irdma/cm.c +++ b/drivers/infiniband/hw/irdma/cm.c @@ -3496,7 +3496,7 @@ static void irdma_cm_disconn_true(struct irdma_qp *iwqp) original_hw_tcp_state == IRDMA_TCP_STATE_TIME_WAIT || last_ae == IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE || last_ae == IRDMA_AE_BAD_CLOSE || - last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->reset)) { + last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->rf->reset)) { issue_close = 1; iwqp->cm_id = NULL; qp->term_flags = 0; @@ -4250,7 +4250,7 @@ void irdma_cm_teardown_connections(struct irdma_device *iwdev, u32 *ipaddr, teardown_entry); attr.qp_state = IB_QPS_ERR; irdma_modify_qp(&cm_node->iwqp->ibqp, &attr, IB_QP_STATE, NULL); - if (iwdev->reset) + if (iwdev->rf->reset) irdma_cm_disconn(cm_node->iwqp); irdma_rem_ref_cm_node(cm_node); } diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 00de5ee9a260..7de525a5ccf8 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -176,6 +176,14 @@ static void irdma_set_flush_fields(struct irdma_sc_qp *qp, case IRDMA_AE_LLP_RECEIVED_MPA_CRC_ERROR: qp->flush_code = FLUSH_GENERAL_ERR; break; + case IRDMA_AE_LLP_TOO_MANY_RETRIES: + qp->flush_code = FLUSH_RETRY_EXC_ERR; + break; + case IRDMA_AE_AMP_MWBIND_INVALID_RIGHTS: + case IRDMA_AE_AMP_MWBIND_BIND_DISABLED: + case IRDMA_AE_AMP_MWBIND_INVALID_BOUNDS: + qp->flush_code = FLUSH_MW_BIND_ERR; + break; default: qp->flush_code = FLUSH_FATAL_ERR; break; @@ -1489,7 +1497,7 @@ void irdma_reinitialize_ieq(struct irdma_sc_vsi *vsi) irdma_puda_dele_rsrc(vsi, IRDMA_PUDA_RSRC_TYPE_IEQ, false); if (irdma_initialize_ieq(iwdev)) { - iwdev->reset = true; + iwdev->rf->reset = true; rf->gen_ops.request_reset(rf); } } @@ -1632,13 +1640,13 @@ void irdma_rt_deinit_hw(struct irdma_device *iwdev) case IEQ_CREATED: if (!iwdev->roce_mode) irdma_puda_dele_rsrc(&iwdev->vsi, IRDMA_PUDA_RSRC_TYPE_IEQ, - iwdev->reset); + iwdev->rf->reset); fallthrough; case ILQ_CREATED: if (!iwdev->roce_mode) irdma_puda_dele_rsrc(&iwdev->vsi, IRDMA_PUDA_RSRC_TYPE_ILQ, - iwdev->reset); + iwdev->rf->reset); break; default: ibdev_warn(&iwdev->ibdev, "bad init_state = %d\n", iwdev->init_state); diff --git a/drivers/infiniband/hw/irdma/i40iw_if.c b/drivers/infiniband/hw/irdma/i40iw_if.c index bddf88194d09..d219f64b2c3d 100644 --- a/drivers/infiniband/hw/irdma/i40iw_if.c +++ b/drivers/infiniband/hw/irdma/i40iw_if.c @@ -55,7 +55,7 @@ static void i40iw_close(struct i40e_info *cdev_info, struct i40e_client *client, iwdev = to_iwdev(ibdev); if (reset) - iwdev->reset = true; + iwdev->rf->reset = true; iwdev->iw_status = 0; irdma_port_ibevent(iwdev); diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h index 743d9e143a99..b678fe712447 100644 --- a/drivers/infiniband/hw/irdma/main.h +++ b/drivers/infiniband/hw/irdma/main.h @@ -346,7 +346,6 @@ struct irdma_device { bool roce_mode:1; bool roce_dcqcn_en:1; bool dcb:1; - bool reset:1; bool iw_ooo:1; enum init_completion_state init_state; diff --git a/drivers/infiniband/hw/irdma/user.h b/drivers/infiniband/hw/irdma/user.h index ff705f323233..3dcbb1fbf2c6 100644 --- a/drivers/infiniband/hw/irdma/user.h +++ b/drivers/infiniband/hw/irdma/user.h @@ -102,6 +102,8 @@ enum irdma_flush_opcode { FLUSH_REM_OP_ERR, FLUSH_LOC_LEN_ERR, FLUSH_FATAL_ERR, + FLUSH_RETRY_EXC_ERR, + FLUSH_MW_BIND_ERR, }; enum irdma_cmpl_status { diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index e94470991fe0..ac91ea5296db 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -2507,7 +2507,7 @@ void irdma_modify_qp_to_err(struct irdma_sc_qp *sc_qp) struct irdma_qp *qp = sc_qp->qp_uk.back_qp; struct ib_qp_attr attr; - if (qp->iwdev->reset) + if (qp->iwdev->rf->reset) return; attr.qp_state = IB_QPS_ERR; diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 4fc323402073..7110ebf834f9 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -535,8 +535,7 @@ static int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) irdma_qp_rem_ref(&iwqp->ibqp); wait_for_completion(&iwqp->free_qp); irdma_free_lsmm_rsrc(iwqp); - if (!iwdev->reset) - irdma_cqp_qp_destroy_cmd(&iwdev->rf->sc_dev, &iwqp->sc_qp); + irdma_cqp_qp_destroy_cmd(&iwdev->rf->sc_dev, &iwqp->sc_qp); if (!iwqp->user_mode) { if (iwqp->iwscq) { @@ -2035,7 +2034,7 @@ static int irdma_create_cq(struct ib_cq *ibcq, /* Kmode allocations */ int rsize; - if (entries > rf->max_cqe) { + if (entries < 1 || entries > rf->max_cqe) { err_code = -EINVAL; goto cq_free_rsrc; } @@ -3353,6 +3352,10 @@ static enum ib_wc_status irdma_flush_err_to_ib_wc_status(enum irdma_flush_opcode return IB_WC_LOC_LEN_ERR; case FLUSH_GENERAL_ERR: return IB_WC_WR_FLUSH_ERR; + case FLUSH_RETRY_EXC_ERR: + return IB_WC_RETRY_EXC_ERR; + case FLUSH_MW_BIND_ERR: + return IB_WC_MW_BIND_ERR; case FLUSH_FATAL_ERR: default: return IB_WC_FATAL_ERR; diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c index 452e2355d24e..0a3b28142c05 100644 --- a/drivers/infiniband/hw/qib/qib_sysfs.c +++ b/drivers/infiniband/hw/qib/qib_sysfs.c @@ -403,7 +403,7 @@ static ssize_t diagc_attr_store(struct ib_device *ibdev, u32 port_num, } #define QIB_DIAGC_ATTR(N) \ - static_assert(&((struct qib_ibport *)0)->rvp.n_##N != (u64 *)NULL); \ + static_assert(__same_type(((struct qib_ibport *)0)->rvp.n_##N, u64)); \ static struct qib_diagc_attr qib_diagc_attr_##N = { \ .attr = __ATTR(N, 0664, diagc_attr_show, diagc_attr_store), \ .counter = \ diff --git a/drivers/infiniband/hw/usnic/usnic_ib.h b/drivers/infiniband/hw/usnic/usnic_ib.h index 84dd682d2334..b350081aeb5a 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib.h +++ b/drivers/infiniband/hw/usnic/usnic_ib.h @@ -90,7 +90,7 @@ struct usnic_ib_dev { struct usnic_ib_vf { struct usnic_ib_dev *pf; - spinlock_t lock; + struct mutex lock; struct usnic_vnic *vnic; unsigned int qp_grp_ref_cnt; struct usnic_ib_pd *pd; diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c index 228e9a36dad0..d346dd48e731 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_main.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c @@ -572,7 +572,7 @@ static int usnic_ib_pci_probe(struct pci_dev *pdev, } vf->pf = pf; - spin_lock_init(&vf->lock); + mutex_init(&vf->lock); mutex_lock(&pf->usdev_lock); list_add_tail(&vf->link, &pf->vf_dev_list); /* diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c index 06a4e9d4545d..756a83bcff58 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c @@ -196,7 +196,7 @@ find_free_vf_and_create_qp_grp(struct ib_qp *qp, for (i = 0; dev_list[i]; i++) { dev = dev_list[i]; vf = dev_get_drvdata(dev); - spin_lock(&vf->lock); + mutex_lock(&vf->lock); vnic = vf->vnic; if (!usnic_vnic_check_room(vnic, res_spec)) { usnic_dbg("Found used vnic %s from %s\n", @@ -208,10 +208,10 @@ find_free_vf_and_create_qp_grp(struct ib_qp *qp, vf, pd, res_spec, trans_spec); - spin_unlock(&vf->lock); + mutex_unlock(&vf->lock); goto qp_grp_check; } - spin_unlock(&vf->lock); + mutex_unlock(&vf->lock); } usnic_uiom_free_dev_list(dev_list); @@ -220,7 +220,7 @@ find_free_vf_and_create_qp_grp(struct ib_qp *qp, /* Try to find resources on an unused vf */ list_for_each_entry(vf, &us_ibdev->vf_dev_list, link) { - spin_lock(&vf->lock); + mutex_lock(&vf->lock); vnic = vf->vnic; if (vf->qp_grp_ref_cnt == 0 && usnic_vnic_check_room(vnic, res_spec) == 0) { @@ -228,10 +228,10 @@ find_free_vf_and_create_qp_grp(struct ib_qp *qp, vf, pd, res_spec, trans_spec); - spin_unlock(&vf->lock); + mutex_unlock(&vf->lock); goto qp_grp_check; } - spin_unlock(&vf->lock); + mutex_unlock(&vf->lock); } usnic_info("No free qp grp found on %s\n", @@ -253,9 +253,9 @@ static void qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp) WARN_ON(qp_grp->state != IB_QPS_RESET); - spin_lock(&vf->lock); + mutex_lock(&vf->lock); usnic_ib_qp_grp_destroy(qp_grp); - spin_unlock(&vf->lock); + mutex_unlock(&vf->lock); } static int create_qp_validate_user_data(struct usnic_ib_create_qp_cmd cmd) diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c index 632dbdd21915..fb23a5b780a4 100644 --- a/drivers/interconnect/qcom/sdm660.c +++ b/drivers/interconnect/qcom/sdm660.c @@ -44,9 +44,9 @@ #define NOC_PERM_MODE_BYPASS (1 << NOC_QOS_MODE_BYPASS) #define NOC_QOS_PRIORITYn_ADDR(n) (0x8 + (n * 0x1000)) -#define NOC_QOS_PRIORITY_MASK 0xf +#define NOC_QOS_PRIORITY_P1_MASK 0xc +#define NOC_QOS_PRIORITY_P0_MASK 0x3 #define NOC_QOS_PRIORITY_P1_SHIFT 0x2 -#define NOC_QOS_PRIORITY_P0_SHIFT 0x3 #define NOC_QOS_MODEn_ADDR(n) (0xc + (n * 0x1000)) #define NOC_QOS_MODEn_MASK 0x3 @@ -173,6 +173,16 @@ static const struct clk_bulk_data bus_mm_clocks[] = { { .id = "iface" }, }; +static const struct clk_bulk_data bus_a2noc_clocks[] = { + { .id = "bus" }, + { .id = "bus_a" }, + { .id = "ipa" }, + { .id = "ufs_axi" }, + { .id = "aggre2_ufs_axi" }, + { .id = "aggre2_usb3_axi" }, + { .id = "cfg_noc_usb2_axi" }, +}; + /** * struct qcom_icc_provider - Qualcomm specific interconnect provider * @provider: generic interconnect provider @@ -307,7 +317,7 @@ DEFINE_QNODE(slv_bimc_cfg, SDM660_SLAVE_BIMC_CFG, 4, -1, 56, true, -1, 0, -1, 0) DEFINE_QNODE(slv_prng, SDM660_SLAVE_PRNG, 4, -1, 44, true, -1, 0, -1, 0); DEFINE_QNODE(slv_spdm, SDM660_SLAVE_SPDM, 4, -1, 60, true, -1, 0, -1, 0); DEFINE_QNODE(slv_qdss_cfg, SDM660_SLAVE_QDSS_CFG, 4, -1, 63, true, -1, 0, -1, 0); -DEFINE_QNODE(slv_cnoc_mnoc_cfg, SDM660_SLAVE_BLSP_1, 4, -1, 66, true, -1, 0, -1, SDM660_MASTER_CNOC_MNOC_CFG); +DEFINE_QNODE(slv_cnoc_mnoc_cfg, SDM660_SLAVE_CNOC_MNOC_CFG, 4, -1, 66, true, -1, 0, -1, SDM660_MASTER_CNOC_MNOC_CFG); DEFINE_QNODE(slv_snoc_cfg, SDM660_SLAVE_SNOC_CFG, 4, -1, 70, true, -1, 0, -1, 0); DEFINE_QNODE(slv_qm_cfg, SDM660_SLAVE_QM_CFG, 4, -1, 212, true, -1, 0, -1, 0); DEFINE_QNODE(slv_clk_ctl, SDM660_SLAVE_CLK_CTL, 4, -1, 47, true, -1, 0, -1, 0); @@ -624,13 +634,12 @@ static int qcom_icc_noc_set_qos_priority(struct regmap *rmap, /* Must be updated one at a time, P1 first, P0 last */ val = qos->areq_prio << NOC_QOS_PRIORITY_P1_SHIFT; rc = regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port), - NOC_QOS_PRIORITY_MASK, val); + NOC_QOS_PRIORITY_P1_MASK, val); if (rc) return rc; - val = qos->prio_level << NOC_QOS_PRIORITY_P0_SHIFT; return regmap_update_bits(rmap, NOC_QOS_PRIORITYn_ADDR(qos->qos_port), - NOC_QOS_PRIORITY_MASK, val); + NOC_QOS_PRIORITY_P0_MASK, qos->prio_level); } static int qcom_icc_set_noc_qos(struct icc_node *src, u64 max_bw) @@ -810,6 +819,10 @@ static int qnoc_probe(struct platform_device *pdev) qp->bus_clks = devm_kmemdup(dev, bus_mm_clocks, sizeof(bus_mm_clocks), GFP_KERNEL); qp->num_clks = ARRAY_SIZE(bus_mm_clocks); + } else if (of_device_is_compatible(dev->of_node, "qcom,sdm660-a2noc")) { + qp->bus_clks = devm_kmemdup(dev, bus_a2noc_clocks, + sizeof(bus_a2noc_clocks), GFP_KERNEL); + qp->num_clks = ARRAY_SIZE(bus_a2noc_clocks); } else { if (of_device_is_compatible(dev->of_node, "qcom,sdm660-bimc")) qp->is_bimc_node = true; diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 124c41adeca1..c5c71b7ab7e8 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -308,7 +308,6 @@ config APPLE_DART config ARM_SMMU tristate "ARM Ltd. System MMU (SMMU) Support" depends on ARM64 || ARM || (COMPILE_TEST && !GENERIC_ATOMIC64) - depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU if ARM @@ -438,7 +437,7 @@ config QCOM_IOMMU # Note: iommu drivers cannot (yet?) be built as modules bool "Qualcomm IOMMU Support" depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64) - depends on QCOM_SCM=y + select QCOM_SCM select IOMMU_API select IOMMU_IO_PGTABLE_LPAE select ARM_DMA_USE_IOMMU diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index 559db9259e65..fdfa39ec2a4d 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -183,7 +183,6 @@ struct apple_dart_master_cfg { static struct platform_driver apple_dart_driver; static const struct iommu_ops apple_dart_iommu_ops; -static const struct iommu_flush_ops apple_dart_tlb_ops; static struct apple_dart_domain *to_dart_domain(struct iommu_domain *dom) { @@ -338,22 +337,6 @@ static void apple_dart_iotlb_sync_map(struct iommu_domain *domain, apple_dart_domain_flush_tlb(to_dart_domain(domain)); } -static void apple_dart_tlb_flush_all(void *cookie) -{ - apple_dart_domain_flush_tlb(cookie); -} - -static void apple_dart_tlb_flush_walk(unsigned long iova, size_t size, - size_t granule, void *cookie) -{ - apple_dart_domain_flush_tlb(cookie); -} - -static const struct iommu_flush_ops apple_dart_tlb_ops = { - .tlb_flush_all = apple_dart_tlb_flush_all, - .tlb_flush_walk = apple_dart_tlb_flush_walk, -}; - static phys_addr_t apple_dart_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) { @@ -435,7 +418,6 @@ static int apple_dart_finalize_domain(struct iommu_domain *domain, .ias = 32, .oas = 36, .coherent_walk = 1, - .tlb = &apple_dart_tlb_ops, .iommu_dev = dart->dev, }; @@ -661,16 +643,34 @@ static int apple_dart_of_xlate(struct device *dev, struct of_phandle_args *args) return -EINVAL; } +static DEFINE_MUTEX(apple_dart_groups_lock); + +static void apple_dart_release_group(void *iommu_data) +{ + int i, sid; + struct apple_dart_stream_map *stream_map; + struct apple_dart_master_cfg *group_master_cfg = iommu_data; + + mutex_lock(&apple_dart_groups_lock); + + for_each_stream_map(i, group_master_cfg, stream_map) + for_each_set_bit(sid, &stream_map->sidmap, DART_MAX_STREAMS) + stream_map->dart->sid2group[sid] = NULL; + + kfree(iommu_data); + mutex_unlock(&apple_dart_groups_lock); +} + static struct iommu_group *apple_dart_device_group(struct device *dev) { - static DEFINE_MUTEX(lock); int i, sid; struct apple_dart_master_cfg *cfg = dev_iommu_priv_get(dev); struct apple_dart_stream_map *stream_map; + struct apple_dart_master_cfg *group_master_cfg; struct iommu_group *group = NULL; struct iommu_group *res = ERR_PTR(-EINVAL); - mutex_lock(&lock); + mutex_lock(&apple_dart_groups_lock); for_each_stream_map(i, cfg, stream_map) { for_each_set_bit(sid, &stream_map->sidmap, DART_MAX_STREAMS) { @@ -698,6 +698,20 @@ static struct iommu_group *apple_dart_device_group(struct device *dev) #endif group = generic_device_group(dev); + res = ERR_PTR(-ENOMEM); + if (!group) + goto out; + + group_master_cfg = kzalloc(sizeof(*group_master_cfg), GFP_KERNEL); + if (!group_master_cfg) { + iommu_group_put(group); + goto out; + } + + memcpy(group_master_cfg, cfg, sizeof(*group_master_cfg)); + iommu_group_set_iommudata(group, group_master_cfg, + apple_dart_release_group); + for_each_stream_map(i, cfg, stream_map) for_each_set_bit(sid, &stream_map->sidmap, DART_MAX_STREAMS) stream_map->dart->sid2group[sid] = group; @@ -705,7 +719,7 @@ static struct iommu_group *apple_dart_device_group(struct device *dev) res = group; out: - mutex_unlock(&lock); + mutex_unlock(&apple_dart_groups_lock); return res; } diff --git a/drivers/iommu/arm/arm-smmu/Makefile b/drivers/iommu/arm/arm-smmu/Makefile index e240a7bcf310..b0cc01aa20c9 100644 --- a/drivers/iommu/arm/arm-smmu/Makefile +++ b/drivers/iommu/arm/arm-smmu/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_QCOM_IOMMU) += qcom_iommu.o obj-$(CONFIG_ARM_SMMU) += arm_smmu.o -arm_smmu-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-nvidia.o arm-smmu-qcom.o +arm_smmu-objs += arm-smmu.o arm-smmu-impl.o arm-smmu-nvidia.o +arm_smmu-$(CONFIG_ARM_SMMU_QCOM) += arm-smmu-qcom.o diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c index 9f465e146799..2c25cce38060 100644 --- a/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-impl.c @@ -215,7 +215,8 @@ struct arm_smmu_device *arm_smmu_impl_init(struct arm_smmu_device *smmu) of_device_is_compatible(np, "nvidia,tegra186-smmu")) return nvidia_smmu_impl_init(smmu); - smmu = qcom_smmu_impl_init(smmu); + if (IS_ENABLED(CONFIG_ARM_SMMU_QCOM)) + smmu = qcom_smmu_impl_init(smmu); if (of_device_is_compatible(np, "marvell,ap806-smmu-500")) smmu->impl = &mrvl_mmu500_impl; diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 0ec5514c9980..b7708b93f3fa 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -1942,18 +1942,18 @@ static int dmar_fault_do_one(struct intel_iommu *iommu, int type, reason = dmar_get_fault_reason(fault_reason, &fault_type); if (fault_type == INTR_REMAP) - pr_err("[INTR-REMAP] Request device [0x%02x:0x%02x.%d] fault index 0x%llx [fault reason 0x%02x] %s\n", + pr_err("[INTR-REMAP] Request device [%02x:%02x.%d] fault index 0x%llx [fault reason 0x%02x] %s\n", source_id >> 8, PCI_SLOT(source_id & 0xFF), PCI_FUNC(source_id & 0xFF), addr >> 48, fault_reason, reason); else if (pasid == INVALID_IOASID) - pr_err("[%s NO_PASID] Request device [0x%02x:0x%02x.%d] fault addr 0x%llx [fault reason 0x%02x] %s\n", + pr_err("[%s NO_PASID] Request device [%02x:%02x.%d] fault addr 0x%llx [fault reason 0x%02x] %s\n", type ? "DMA Read" : "DMA Write", source_id >> 8, PCI_SLOT(source_id & 0xFF), PCI_FUNC(source_id & 0xFF), addr, fault_reason, reason); else - pr_err("[%s PASID 0x%x] Request device [0x%02x:0x%02x.%d] fault addr 0x%llx [fault reason 0x%02x] %s\n", + pr_err("[%s PASID 0x%x] Request device [%02x:%02x.%d] fault addr 0x%llx [fault reason 0x%02x] %s\n", type ? "DMA Read" : "DMA Write", pasid, source_id >> 8, PCI_SLOT(source_id & 0xFF), PCI_FUNC(source_id & 0xFF), addr, diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c index c14e65a5d38f..c709861198e5 100644 --- a/drivers/ipack/devices/ipoctal.c +++ b/drivers/ipack/devices/ipoctal.c @@ -33,6 +33,7 @@ struct ipoctal_channel { unsigned int pointer_read; unsigned int pointer_write; struct tty_port tty_port; + bool tty_registered; union scc2698_channel __iomem *regs; union scc2698_block __iomem *block_regs; unsigned int board_id; @@ -81,22 +82,34 @@ static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty) return 0; } -static int ipoctal_open(struct tty_struct *tty, struct file *file) +static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty) { struct ipoctal_channel *channel = dev_get_drvdata(tty->dev); struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index); - int err; - - tty->driver_data = channel; + int res; if (!ipack_get_carrier(ipoctal->dev)) return -EBUSY; - err = tty_port_open(&channel->tty_port, tty, file); - if (err) - ipack_put_carrier(ipoctal->dev); + res = tty_standard_install(driver, tty); + if (res) + goto err_put_carrier; + + tty->driver_data = channel; + + return 0; + +err_put_carrier: + ipack_put_carrier(ipoctal->dev); + + return res; +} + +static int ipoctal_open(struct tty_struct *tty, struct file *file) +{ + struct ipoctal_channel *channel = tty->driver_data; - return err; + return tty_port_open(&channel->tty_port, tty, file); } static void ipoctal_reset_stats(struct ipoctal_stats *stats) @@ -264,7 +277,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, int res; int i; struct tty_driver *tty; - char name[20]; struct ipoctal_channel *channel; struct ipack_region *region; void __iomem *addr; @@ -355,8 +367,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, /* Fill struct tty_driver with ipoctal data */ tty->owner = THIS_MODULE; tty->driver_name = KBUILD_MODNAME; - sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot); - tty->name = name; + tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot); + if (!tty->name) { + res = -ENOMEM; + goto err_put_driver; + } tty->major = 0; tty->minor_start = 0; @@ -371,8 +386,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, res = tty_register_driver(tty); if (res) { dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n"); - tty_driver_kref_put(tty); - return res; + goto err_free_name; } /* Save struct tty_driver for use it when uninstalling the device */ @@ -383,7 +397,9 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, channel = &ipoctal->channel[i]; tty_port_init(&channel->tty_port); - tty_port_alloc_xmit_buf(&channel->tty_port); + res = tty_port_alloc_xmit_buf(&channel->tty_port); + if (res) + continue; channel->tty_port.ops = &ipoctal_tty_port_ops; ipoctal_reset_stats(&channel->stats); @@ -391,13 +407,15 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, spin_lock_init(&channel->lock); channel->pointer_read = 0; channel->pointer_write = 0; - tty_dev = tty_port_register_device(&channel->tty_port, tty, i, NULL); + tty_dev = tty_port_register_device_attr(&channel->tty_port, tty, + i, NULL, channel, NULL); if (IS_ERR(tty_dev)) { dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n"); + tty_port_free_xmit_buf(&channel->tty_port); tty_port_destroy(&channel->tty_port); continue; } - dev_set_drvdata(tty_dev, channel); + channel->tty_registered = true; } /* @@ -409,6 +427,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr, ipoctal_irq_handler, ipoctal); return 0; + +err_free_name: + kfree(tty->name); +err_put_driver: + tty_driver_kref_put(tty); + + return res; } static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel, @@ -648,6 +673,7 @@ static void ipoctal_cleanup(struct tty_struct *tty) static const struct tty_operations ipoctal_fops = { .ioctl = NULL, + .install = ipoctal_install, .open = ipoctal_open, .close = ipoctal_close, .write = ipoctal_write_tty, @@ -690,12 +716,17 @@ static void __ipoctal_remove(struct ipoctal *ipoctal) for (i = 0; i < NR_CHANNELS; i++) { struct ipoctal_channel *channel = &ipoctal->channel[i]; + + if (!channel->tty_registered) + continue; + tty_unregister_device(ipoctal->tty_drv, i); tty_port_free_xmit_buf(&channel->tty_port); tty_port_destroy(&channel->tty_port); } tty_unregister_driver(ipoctal->tty_drv); + kfree(ipoctal->tty_drv->name); tty_driver_kref_put(ipoctal->tty_drv); kfree(ipoctal); } diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 4d5924e9f766..aca7b595c4c7 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -409,6 +409,7 @@ config MESON_IRQ_GPIO config GOLDFISH_PIC bool "Goldfish programmable interrupt controller" depends on MIPS && (GOLDFISH || COMPILE_TEST) + select GENERIC_IRQ_CHIP select IRQ_DOMAIN help Say yes here to enable Goldfish interrupt controller driver used diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index 7557ab551295..53e0fb0562c1 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -359,16 +359,16 @@ static void armada_370_xp_ipi_send_mask(struct irq_data *d, ARMADA_370_XP_SW_TRIG_INT_OFFS); } -static void armada_370_xp_ipi_eoi(struct irq_data *d) +static void armada_370_xp_ipi_ack(struct irq_data *d) { writel(~BIT(d->hwirq), per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); } static struct irq_chip ipi_irqchip = { .name = "IPI", + .irq_ack = armada_370_xp_ipi_ack, .irq_mask = armada_370_xp_ipi_mask, .irq_unmask = armada_370_xp_ipi_unmask, - .irq_eoi = armada_370_xp_ipi_eoi, .ipi_send_mask = armada_370_xp_ipi_send_mask, }; diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 7f40dca8cda5..eb0882d15366 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -4501,7 +4501,7 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq if (err) { if (i > 0) - its_vpe_irq_domain_free(domain, virq, i - 1); + its_vpe_irq_domain_free(domain, virq, i); its_lpi_free(bitmap, base, nr_ids); its_free_prop_table(vprop_page); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index d329ec3d64d8..5f22c9d65e57 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -107,6 +107,8 @@ static DEFINE_RAW_SPINLOCK(cpu_map_lock); #endif +static DEFINE_STATIC_KEY_FALSE(needs_rmw_access); + /* * The GIC mapping of CPU interfaces does not necessarily match * the logical CPU numbering. Let's use a mapping as returned @@ -774,6 +776,25 @@ static int gic_pm_init(struct gic_chip_data *gic) #endif #ifdef CONFIG_SMP +static void rmw_writeb(u8 bval, void __iomem *addr) +{ + static DEFINE_RAW_SPINLOCK(rmw_lock); + unsigned long offset = (unsigned long)addr & 3UL; + unsigned long shift = offset * 8; + unsigned long flags; + u32 val; + + raw_spin_lock_irqsave(&rmw_lock, flags); + + addr -= offset; + val = readl_relaxed(addr); + val &= ~GENMASK(shift + 7, shift); + val |= bval << shift; + writel_relaxed(val, addr); + + raw_spin_unlock_irqrestore(&rmw_lock, flags); +} + static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bool force) { @@ -788,7 +809,10 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids) return -EINVAL; - writeb_relaxed(gic_cpu_map[cpu], reg); + if (static_branch_unlikely(&needs_rmw_access)) + rmw_writeb(gic_cpu_map[cpu], reg); + else + writeb_relaxed(gic_cpu_map[cpu], reg); irq_data_update_effective_affinity(d, cpumask_of(cpu)); return IRQ_SET_MASK_OK_DONE; @@ -1375,6 +1399,30 @@ static bool gic_check_eoimode(struct device_node *node, void __iomem **base) return true; } +static bool gic_enable_rmw_access(void *data) +{ + /* + * The EMEV2 class of machines has a broken interconnect, and + * locks up on accesses that are less than 32bit. So far, only + * the affinity setting requires it. + */ + if (of_machine_is_compatible("renesas,emev2")) { + static_branch_enable(&needs_rmw_access); + return true; + } + + return false; +} + +static const struct gic_quirk gic_quirks[] = { + { + .desc = "broken byte access", + .compatible = "arm,pl390", + .init = gic_enable_rmw_access, + }, + { }, +}; + static int gic_of_setup(struct gic_chip_data *gic, struct device_node *node) { if (!gic || !node) @@ -1391,6 +1439,8 @@ static int gic_of_setup(struct gic_chip_data *gic, struct device_node *node) if (of_property_read_u32(node, "cpu-offset", &gic->percpu_offset)) gic->percpu_offset = 0; + gic_enable_of_quirks(node, gic_quirks, gic); + return 0; error: diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index f565317a3da3..12df2162108e 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -25,7 +25,7 @@ /* The maximum IRQ pin number of mbigen chip(start from 0) */ #define MAXIMUM_IRQ_PIN_NUM 1407 -/** +/* * In mbigen vector register * bit[21:12]: event id value * bit[11:0]: device id @@ -39,14 +39,14 @@ /* offset of vector register in mbigen node */ #define REG_MBIGEN_VEC_OFFSET 0x200 -/** +/* * offset of clear register in mbigen node * This register is used to clear the status * of interrupt */ #define REG_MBIGEN_CLEAR_OFFSET 0xa000 -/** +/* * offset of interrupt type register * This register is used to configure interrupt * trigger type diff --git a/drivers/irqchip/irq-renesas-rza1.c b/drivers/irqchip/irq-renesas-rza1.c index b0d46ac42b89..72c06e883d1c 100644 --- a/drivers/irqchip/irq-renesas-rza1.c +++ b/drivers/irqchip/irq-renesas-rza1.c @@ -223,12 +223,12 @@ static int rza1_irqc_probe(struct platform_device *pdev) goto out_put_node; } - priv->chip.name = "rza1-irqc", - priv->chip.irq_mask = irq_chip_mask_parent, - priv->chip.irq_unmask = irq_chip_unmask_parent, - priv->chip.irq_eoi = rza1_irqc_eoi, - priv->chip.irq_retrigger = irq_chip_retrigger_hierarchy, - priv->chip.irq_set_type = rza1_irqc_set_type, + priv->chip.name = "rza1-irqc"; + priv->chip.irq_mask = irq_chip_mask_parent; + priv->chip.irq_unmask = irq_chip_unmask_parent; + priv->chip.irq_eoi = rza1_irqc_eoi; + priv->chip.irq_retrigger = irq_chip_retrigger_hierarchy; + priv->chip.irq_set_type = rza1_irqc_set_type; priv->chip.flags = IRQCHIP_MASK_ON_SUSPEND | IRQCHIP_SKIP_SET_WAKE; priv->irq_domain = irq_domain_add_hierarchy(parent, 0, IRQC_NUM_IRQ, diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 94fb63a7b357..fe63d5ee201b 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -570,7 +570,7 @@ fail_msg_node: fail_db_node: of_node_put(smu->db_node); fail_bootmem: - memblock_free(__pa(smu), sizeof(struct smu_device)); + memblock_free_ptr(smu, sizeof(struct smu_device)); smu = NULL; fail_np: of_node_put(np); diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c index edf4ee6eff25..cf128b3471d7 100644 --- a/drivers/mcb/mcb-core.c +++ b/drivers/mcb/mcb-core.c @@ -275,8 +275,8 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier) bus_nr = ida_simple_get(&mcb_ida, 0, 0, GFP_KERNEL); if (bus_nr < 0) { - rc = bus_nr; - goto err_free; + kfree(bus); + return ERR_PTR(bus_nr); } bus->bus_nr = bus_nr; @@ -291,12 +291,12 @@ struct mcb_bus *mcb_alloc_bus(struct device *carrier) dev_set_name(&bus->dev, "mcb:%d", bus_nr); rc = device_add(&bus->dev); if (rc) - goto err_free; + goto err_put; return bus; -err_free: - put_device(carrier); - kfree(bus); + +err_put: + put_device(&bus->dev); return ERR_PTR(rc); } EXPORT_SYMBOL_NS_GPL(mcb_alloc_bus, MCB); diff --git a/drivers/md/md.c b/drivers/md/md.c index ae8fe54ea358..6c0c3d0d905a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5700,10 +5700,6 @@ static int md_alloc(dev_t dev, char *name) disk->flags |= GENHD_FL_EXT_DEVT; disk->events |= DISK_EVENT_MEDIA_CHANGE; mddev->gendisk = disk; - /* As soon as we call add_disk(), another thread could get - * through to md_open, so make sure it doesn't get too far - */ - mutex_lock(&mddev->open_mutex); add_disk(disk); error = kobject_add(&mddev->kobj, &disk_to_dev(disk)->kobj, "%s", "md"); @@ -5718,7 +5714,6 @@ static int md_alloc(dev_t dev, char *name) if (mddev->kobj.sd && sysfs_create_group(&mddev->kobj, &md_bitmap_group)) pr_debug("pointless warning\n"); - mutex_unlock(&mddev->open_mutex); abort: mutex_unlock(&disks_mutex); if (!error && mddev->kobj.sd) { diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 157c924686e4..80321e03809a 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -565,7 +565,7 @@ config VIDEO_QCOM_VENUS depends on VIDEO_DEV && VIDEO_V4L2 && QCOM_SMEM depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST select QCOM_MDT_LOADER if ARCH_QCOM - select QCOM_SCM if ARCH_QCOM + select QCOM_SCM select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV help diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index d402e456f27d..7d0ab19c38bb 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -1140,8 +1140,8 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, continue; length = 0; switch (c) { - /* SOF0: baseline JPEG */ - case SOF0: + /* JPEG_MARKER_SOF0: baseline JPEG */ + case JPEG_MARKER_SOF0: if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; @@ -1172,7 +1172,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, notfound = 0; break; - case DQT: + case JPEG_MARKER_DQT: if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; @@ -1185,7 +1185,7 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, skip(&jpeg_buffer, length); break; - case DHT: + case JPEG_MARKER_DHT: if (get_word_be(&jpeg_buffer, &word)) break; length = (long)word - 2; @@ -1198,15 +1198,15 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, skip(&jpeg_buffer, length); break; - case SOS: + case JPEG_MARKER_SOS: sos = jpeg_buffer.curr - 2; /* 0xffda */ break; /* skip payload-less markers */ - case RST ... RST + 7: - case SOI: - case EOI: - case TEM: + case JPEG_MARKER_RST ... JPEG_MARKER_RST + 7: + case JPEG_MARKER_SOI: + case JPEG_MARKER_EOI: + case JPEG_MARKER_TEM: break; /* skip uninteresting payload markers */ diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h index a77d93c098ce..8473a019bb5f 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h @@ -37,15 +37,15 @@ #define EXYNOS3250_IRQ_TIMEOUT 0x10000000 /* a selection of JPEG markers */ -#define TEM 0x01 -#define SOF0 0xc0 -#define DHT 0xc4 -#define RST 0xd0 -#define SOI 0xd8 -#define EOI 0xd9 -#define SOS 0xda -#define DQT 0xdb -#define DHP 0xde +#define JPEG_MARKER_TEM 0x01 +#define JPEG_MARKER_SOF0 0xc0 +#define JPEG_MARKER_DHT 0xc4 +#define JPEG_MARKER_RST 0xd0 +#define JPEG_MARKER_SOI 0xd8 +#define JPEG_MARKER_EOI 0xd9 +#define JPEG_MARKER_SOS 0xda +#define JPEG_MARKER_DQT 0xdb +#define JPEG_MARKER_DHP 0xde /* Flags that indicate a format can be used for capture/output */ #define SJPEG_FMT_FLAG_ENC_CAPTURE (1 << 0) @@ -187,11 +187,11 @@ struct s5p_jpeg_marker { * @fmt: driver-specific format of this queue * @w: image width * @h: image height - * @sos: SOS marker's position relative to the buffer beginning - * @dht: DHT markers' positions relative to the buffer beginning - * @dqt: DQT markers' positions relative to the buffer beginning - * @sof: SOF0 marker's position relative to the buffer beginning - * @sof_len: SOF0 marker's payload length (without length field itself) + * @sos: JPEG_MARKER_SOS's position relative to the buffer beginning + * @dht: JPEG_MARKER_DHT' positions relative to the buffer beginning + * @dqt: JPEG_MARKER_DQT' positions relative to the buffer beginning + * @sof: JPEG_MARKER_SOF0's position relative to the buffer beginning + * @sof_len: JPEG_MARKER_SOF0's payload length (without length field itself) * @size: image buffer size in bytes */ struct s5p_jpeg_q_data { diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c index 3e729a17b35f..48d52baec1a1 100644 --- a/drivers/media/rc/ir_toy.c +++ b/drivers/media/rc/ir_toy.c @@ -24,6 +24,7 @@ static const u8 COMMAND_VERSION[] = { 'v' }; // End transmit and repeat reset command so we exit sump mode static const u8 COMMAND_RESET[] = { 0xff, 0xff, 0, 0, 0, 0, 0 }; static const u8 COMMAND_SMODE_ENTER[] = { 's' }; +static const u8 COMMAND_SMODE_EXIT[] = { 0 }; static const u8 COMMAND_TXSTART[] = { 0x26, 0x24, 0x25, 0x03 }; #define REPLY_XMITCOUNT 't' @@ -309,12 +310,30 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count) buf[i] = cpu_to_be16(v); } - buf[count] = cpu_to_be16(0xffff); + buf[count] = 0xffff; irtoy->tx_buf = buf; irtoy->tx_len = size; irtoy->emitted = 0; + // There is an issue where if the unit is receiving IR while the + // first TXSTART command is sent, the device might end up hanging + // with its led on. It does not respond to any command when this + // happens. To work around this, re-enter sample mode. + err = irtoy_command(irtoy, COMMAND_SMODE_EXIT, + sizeof(COMMAND_SMODE_EXIT), STATE_RESET); + if (err) { + dev_err(irtoy->dev, "exit sample mode: %d\n", err); + return err; + } + + err = irtoy_command(irtoy, COMMAND_SMODE_ENTER, + sizeof(COMMAND_SMODE_ENTER), STATE_COMMAND); + if (err) { + dev_err(irtoy->dev, "enter sample mode: %d\n", err); + return err; + } + err = irtoy_command(irtoy, COMMAND_TXSTART, sizeof(COMMAND_TXSTART), STATE_TX); kfree(buf); diff --git a/drivers/misc/bcm-vk/bcm_vk_tty.c b/drivers/misc/bcm-vk/bcm_vk_tty.c index 1b6076a89ca6..6669625ba4c8 100644 --- a/drivers/misc/bcm-vk/bcm_vk_tty.c +++ b/drivers/misc/bcm-vk/bcm_vk_tty.c @@ -267,13 +267,13 @@ int bcm_vk_tty_init(struct bcm_vk *vk, char *name) struct device *tty_dev; tty_port_init(&vk->tty[i].port); - tty_dev = tty_port_register_device(&vk->tty[i].port, tty_drv, - i, dev); + tty_dev = tty_port_register_device_attr(&vk->tty[i].port, + tty_drv, i, dev, vk, + NULL); if (IS_ERR(tty_dev)) { err = PTR_ERR(tty_dev); goto unwind; } - dev_set_drvdata(tty_dev, vk); vk->tty[i].is_opened = false; } diff --git a/drivers/misc/genwqe/card_base.c b/drivers/misc/genwqe/card_base.c index 2e1befbd1ad9..693981891870 100644 --- a/drivers/misc/genwqe/card_base.c +++ b/drivers/misc/genwqe/card_base.c @@ -1090,7 +1090,7 @@ static int genwqe_pci_setup(struct genwqe_dev *cd) /* check for 64-bit DMA address supported (DAC) */ /* check for 32-bit DMA address supported (SAC) */ - if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)) || + if (dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)) && dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32))) { dev_err(&pci_dev->dev, "err: neither DMA32 nor DMA64 supported\n"); diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c index 7b0516cf808b..91b57544f7c6 100644 --- a/drivers/misc/habanalabs/common/command_submission.c +++ b/drivers/misc/habanalabs/common/command_submission.c @@ -405,7 +405,7 @@ static void staged_cs_put(struct hl_device *hdev, struct hl_cs *cs) static void cs_handle_tdr(struct hl_device *hdev, struct hl_cs *cs) { bool next_entry_found = false; - struct hl_cs *next; + struct hl_cs *next, *first_cs; if (!cs_needs_timeout(cs)) return; @@ -415,9 +415,16 @@ static void cs_handle_tdr(struct hl_device *hdev, struct hl_cs *cs) /* We need to handle tdr only once for the complete staged submission. * Hence, we choose the CS that reaches this function first which is * the CS marked as 'staged_last'. + * In case single staged cs was submitted which has both first and last + * indications, then "cs_find_first" below will return NULL, since we + * removed the cs node from the list before getting here, + * in such cases just continue with the cs to cancel it's TDR work. */ - if (cs->staged_cs && cs->staged_last) - cs = hl_staged_cs_find_first(hdev, cs->staged_sequence); + if (cs->staged_cs && cs->staged_last) { + first_cs = hl_staged_cs_find_first(hdev, cs->staged_sequence); + if (first_cs) + cs = first_cs; + } spin_unlock(&hdev->cs_mirror_lock); @@ -1288,6 +1295,12 @@ static int cs_ioctl_default(struct hl_fpriv *hpriv, void __user *chunks, if (rc) goto free_cs_object; + /* If this is a staged submission we must return the staged sequence + * rather than the internal CS sequence + */ + if (cs->staged_cs) + *cs_seq = cs->staged_sequence; + /* Validate ALL the CS chunks before submitting the CS */ for (i = 0 ; i < num_chunks ; i++) { struct hl_cs_chunk *chunk = &cs_chunk_array[i]; @@ -1988,6 +2001,15 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, goto free_cs_chunk_array; } + if (!hdev->nic_ports_mask) { + atomic64_inc(&ctx->cs_counters.validation_drop_cnt); + atomic64_inc(&cntr->validation_drop_cnt); + dev_err(hdev->dev, + "Collective operations not supported when NIC ports are disabled"); + rc = -EINVAL; + goto free_cs_chunk_array; + } + collective_engine_id = chunk->collective_engine_id; } @@ -2026,9 +2048,10 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, spin_unlock(&ctx->sig_mgr.lock); if (!handle_found) { - dev_err(hdev->dev, "Cannot find encapsulated signals handle for seq 0x%llx\n", + /* treat as signal CS already finished */ + dev_dbg(hdev->dev, "Cannot find encapsulated signals handle for seq 0x%llx\n", signal_seq); - rc = -EINVAL; + rc = 0; goto free_cs_chunk_array; } @@ -2613,7 +2636,8 @@ static int hl_multi_cs_wait_ioctl(struct hl_fpriv *hpriv, void *data) * completed after the poll function. */ if (!mcs_data.completion_bitmap) { - dev_err(hdev->dev, "Multi-CS got completion on wait but no CS completed\n"); + dev_warn_ratelimited(hdev->dev, + "Multi-CS got completion on wait but no CS completed\n"); rc = -EFAULT; } } @@ -2740,10 +2764,20 @@ static int _hl_interrupt_wait_ioctl(struct hl_device *hdev, struct hl_ctx *ctx, else interrupt = &hdev->user_interrupt[interrupt_offset]; + /* Add pending user interrupt to relevant list for the interrupt + * handler to monitor + */ + spin_lock_irqsave(&interrupt->wait_list_lock, flags); + list_add_tail(&pend->wait_list_node, &interrupt->wait_list_head); + spin_unlock_irqrestore(&interrupt->wait_list_lock, flags); + + /* We check for completion value as interrupt could have been received + * before we added the node to the wait list + */ if (copy_from_user(&completion_value, u64_to_user_ptr(user_address), 4)) { dev_err(hdev->dev, "Failed to copy completion value from user\n"); rc = -EFAULT; - goto free_fence; + goto remove_pending_user_interrupt; } if (completion_value >= target_value) @@ -2752,14 +2786,7 @@ static int _hl_interrupt_wait_ioctl(struct hl_device *hdev, struct hl_ctx *ctx, *status = CS_WAIT_STATUS_BUSY; if (!timeout_us || (*status == CS_WAIT_STATUS_COMPLETED)) - goto free_fence; - - /* Add pending user interrupt to relevant list for the interrupt - * handler to monitor - */ - spin_lock_irqsave(&interrupt->wait_list_lock, flags); - list_add_tail(&pend->wait_list_node, &interrupt->wait_list_head); - spin_unlock_irqrestore(&interrupt->wait_list_lock, flags); + goto remove_pending_user_interrupt; wait_again: /* Wait for interrupt handler to signal completion */ @@ -2770,6 +2797,15 @@ wait_again: * If comparison fails, keep waiting until timeout expires */ if (completion_rc > 0) { + spin_lock_irqsave(&interrupt->wait_list_lock, flags); + /* reinit_completion must be called before we check for user + * completion value, otherwise, if interrupt is received after + * the comparison and before the next wait_for_completion, + * we will reach timeout and fail + */ + reinit_completion(&pend->fence.completion); + spin_unlock_irqrestore(&interrupt->wait_list_lock, flags); + if (copy_from_user(&completion_value, u64_to_user_ptr(user_address), 4)) { dev_err(hdev->dev, "Failed to copy completion value from user\n"); rc = -EFAULT; @@ -2780,11 +2816,7 @@ wait_again: if (completion_value >= target_value) { *status = CS_WAIT_STATUS_COMPLETED; } else { - spin_lock_irqsave(&interrupt->wait_list_lock, flags); - reinit_completion(&pend->fence.completion); timeout = completion_rc; - - spin_unlock_irqrestore(&interrupt->wait_list_lock, flags); goto wait_again; } } else if (completion_rc == -ERESTARTSYS) { @@ -2802,7 +2834,6 @@ remove_pending_user_interrupt: list_del(&pend->wait_list_node); spin_unlock_irqrestore(&interrupt->wait_list_lock, flags); -free_fence: kfree(pend); hl_ctx_put(ctx); diff --git a/drivers/misc/habanalabs/common/hw_queue.c b/drivers/misc/habanalabs/common/hw_queue.c index 76b7de8f1406..0743319b10c7 100644 --- a/drivers/misc/habanalabs/common/hw_queue.c +++ b/drivers/misc/habanalabs/common/hw_queue.c @@ -437,6 +437,7 @@ void hl_hw_queue_encaps_sig_set_sob_info(struct hl_device *hdev, struct hl_cs_compl *cs_cmpl) { struct hl_cs_encaps_sig_handle *handle = cs->encaps_sig_hdl; + u32 offset = 0; cs_cmpl->hw_sob = handle->hw_sob; @@ -446,9 +447,13 @@ void hl_hw_queue_encaps_sig_set_sob_info(struct hl_device *hdev, * set offset 1 for example he mean to wait only for the first * signal only, which will be pre_sob_val, and if he set offset 2 * then the value required is (pre_sob_val + 1) and so on... + * if user set wait offset to 0, then treat it as legacy wait cs, + * wait for the next signal. */ - cs_cmpl->sob_val = handle->pre_sob_val + - (job->encaps_sig_wait_offset - 1); + if (job->encaps_sig_wait_offset) + offset = job->encaps_sig_wait_offset - 1; + + cs_cmpl->sob_val = handle->pre_sob_val + offset; } static int init_wait_cs(struct hl_device *hdev, struct hl_cs *cs, diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 383865be3c2c..14da87b38e83 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -395,7 +395,7 @@ static struct hl_hw_obj_name_entry gaudi_so_id_to_str[] = { static struct hl_hw_obj_name_entry gaudi_monitor_id_to_str[] = { { .id = 200, .name = "MON_OBJ_DMA_DOWN_FEEDBACK_RESET" }, - { .id = 201, .name = "MON_OBJ_DMA_UP_FEADBACK_RESET" }, + { .id = 201, .name = "MON_OBJ_DMA_UP_FEEDBACK_RESET" }, { .id = 203, .name = "MON_OBJ_DRAM_TO_SRAM_QUEUE_FENCE" }, { .id = 204, .name = "MON_OBJ_TPC_0_CLK_GATE" }, { .id = 205, .name = "MON_OBJ_TPC_1_CLK_GATE" }, @@ -5802,6 +5802,7 @@ static void gaudi_add_end_of_cb_packets(struct hl_device *hdev, { struct gaudi_device *gaudi = hdev->asic_specific; struct packet_msg_prot *cq_pkt; + u64 msi_addr; u32 tmp; cq_pkt = kernel_address + len - (sizeof(struct packet_msg_prot) * 2); @@ -5823,10 +5824,12 @@ static void gaudi_add_end_of_cb_packets(struct hl_device *hdev, cq_pkt->ctl = cpu_to_le32(tmp); cq_pkt->value = cpu_to_le32(1); - if (!gaudi->multi_msi_mode) - msi_vec = 0; + if (gaudi->multi_msi_mode) + msi_addr = mmPCIE_MSI_INTR_0 + msi_vec * 4; + else + msi_addr = mmPCIE_CORE_MSI_REQ; - cq_pkt->addr = cpu_to_le64(CFG_BASE + mmPCIE_MSI_INTR_0 + msi_vec * 4); + cq_pkt->addr = cpu_to_le64(CFG_BASE + msi_addr); } static void gaudi_update_eq_ci(struct hl_device *hdev, u32 val) diff --git a/drivers/misc/habanalabs/gaudi/gaudi_security.c b/drivers/misc/habanalabs/gaudi/gaudi_security.c index cb265c00cf73..25ac87cebd45 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi_security.c +++ b/drivers/misc/habanalabs/gaudi/gaudi_security.c @@ -8,16 +8,21 @@ #include "gaudiP.h" #include "../include/gaudi/asic_reg/gaudi_regs.h" -#define GAUDI_NUMBER_OF_RR_REGS 24 -#define GAUDI_NUMBER_OF_LBW_RANGES 12 +#define GAUDI_NUMBER_OF_LBW_RR_REGS 28 +#define GAUDI_NUMBER_OF_HBW_RR_REGS 24 +#define GAUDI_NUMBER_OF_LBW_RANGES 10 -static u64 gaudi_rr_lbw_hit_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_hit_aw_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_HIT_WPROT, mmDMA_IF_W_S_DMA0_HIT_WPROT, mmDMA_IF_W_S_DMA1_HIT_WPROT, + mmDMA_IF_E_S_SOB_HIT_WPROT, mmDMA_IF_E_S_DMA0_HIT_WPROT, mmDMA_IF_E_S_DMA1_HIT_WPROT, + mmDMA_IF_W_N_SOB_HIT_WPROT, mmDMA_IF_W_N_DMA0_HIT_WPROT, mmDMA_IF_W_N_DMA1_HIT_WPROT, + mmDMA_IF_E_N_SOB_HIT_WPROT, mmDMA_IF_E_N_DMA0_HIT_WPROT, mmDMA_IF_E_N_DMA1_HIT_WPROT, mmSIF_RTR_0_LBW_RANGE_PROT_HIT_AW, @@ -38,13 +43,17 @@ static u64 gaudi_rr_lbw_hit_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_HIT_AW, }; -static u64 gaudi_rr_lbw_hit_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_hit_ar_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_HIT_RPROT, mmDMA_IF_W_S_DMA0_HIT_RPROT, mmDMA_IF_W_S_DMA1_HIT_RPROT, + mmDMA_IF_E_S_SOB_HIT_RPROT, mmDMA_IF_E_S_DMA0_HIT_RPROT, mmDMA_IF_E_S_DMA1_HIT_RPROT, + mmDMA_IF_W_N_SOB_HIT_RPROT, mmDMA_IF_W_N_DMA0_HIT_RPROT, mmDMA_IF_W_N_DMA1_HIT_RPROT, + mmDMA_IF_E_N_SOB_HIT_RPROT, mmDMA_IF_E_N_DMA0_HIT_RPROT, mmDMA_IF_E_N_DMA1_HIT_RPROT, mmSIF_RTR_0_LBW_RANGE_PROT_HIT_AR, @@ -65,13 +74,17 @@ static u64 gaudi_rr_lbw_hit_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_HIT_AR, }; -static u64 gaudi_rr_lbw_min_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_min_aw_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_MIN_WPROT_0, mmDMA_IF_W_S_DMA0_MIN_WPROT_0, mmDMA_IF_W_S_DMA1_MIN_WPROT_0, + mmDMA_IF_E_S_SOB_MIN_WPROT_0, mmDMA_IF_E_S_DMA0_MIN_WPROT_0, mmDMA_IF_E_S_DMA1_MIN_WPROT_0, + mmDMA_IF_W_N_SOB_MIN_WPROT_0, mmDMA_IF_W_N_DMA0_MIN_WPROT_0, mmDMA_IF_W_N_DMA1_MIN_WPROT_0, + mmDMA_IF_E_N_SOB_MIN_WPROT_0, mmDMA_IF_E_N_DMA0_MIN_WPROT_0, mmDMA_IF_E_N_DMA1_MIN_WPROT_0, mmSIF_RTR_0_LBW_RANGE_PROT_MIN_AW_0, @@ -92,13 +105,17 @@ static u64 gaudi_rr_lbw_min_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_MIN_AW_0, }; -static u64 gaudi_rr_lbw_max_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_max_aw_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_MAX_WPROT_0, mmDMA_IF_W_S_DMA0_MAX_WPROT_0, mmDMA_IF_W_S_DMA1_MAX_WPROT_0, + mmDMA_IF_E_S_SOB_MAX_WPROT_0, mmDMA_IF_E_S_DMA0_MAX_WPROT_0, mmDMA_IF_E_S_DMA1_MAX_WPROT_0, + mmDMA_IF_W_N_SOB_MAX_WPROT_0, mmDMA_IF_W_N_DMA0_MAX_WPROT_0, mmDMA_IF_W_N_DMA1_MAX_WPROT_0, + mmDMA_IF_E_N_SOB_MAX_WPROT_0, mmDMA_IF_E_N_DMA0_MAX_WPROT_0, mmDMA_IF_E_N_DMA1_MAX_WPROT_0, mmSIF_RTR_0_LBW_RANGE_PROT_MAX_AW_0, @@ -119,13 +136,17 @@ static u64 gaudi_rr_lbw_max_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_MAX_AW_0, }; -static u64 gaudi_rr_lbw_min_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_min_ar_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_MIN_RPROT_0, mmDMA_IF_W_S_DMA0_MIN_RPROT_0, mmDMA_IF_W_S_DMA1_MIN_RPROT_0, + mmDMA_IF_E_S_SOB_MIN_RPROT_0, mmDMA_IF_E_S_DMA0_MIN_RPROT_0, mmDMA_IF_E_S_DMA1_MIN_RPROT_0, + mmDMA_IF_W_N_SOB_MIN_RPROT_0, mmDMA_IF_W_N_DMA0_MIN_RPROT_0, mmDMA_IF_W_N_DMA1_MIN_RPROT_0, + mmDMA_IF_E_N_SOB_MIN_RPROT_0, mmDMA_IF_E_N_DMA0_MIN_RPROT_0, mmDMA_IF_E_N_DMA1_MIN_RPROT_0, mmSIF_RTR_0_LBW_RANGE_PROT_MIN_AR_0, @@ -146,13 +167,17 @@ static u64 gaudi_rr_lbw_min_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_MIN_AR_0, }; -static u64 gaudi_rr_lbw_max_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_lbw_max_ar_regs[GAUDI_NUMBER_OF_LBW_RR_REGS] = { + mmDMA_IF_W_S_SOB_MAX_RPROT_0, mmDMA_IF_W_S_DMA0_MAX_RPROT_0, mmDMA_IF_W_S_DMA1_MAX_RPROT_0, + mmDMA_IF_E_S_SOB_MAX_RPROT_0, mmDMA_IF_E_S_DMA0_MAX_RPROT_0, mmDMA_IF_E_S_DMA1_MAX_RPROT_0, + mmDMA_IF_W_N_SOB_MAX_RPROT_0, mmDMA_IF_W_N_DMA0_MAX_RPROT_0, mmDMA_IF_W_N_DMA1_MAX_RPROT_0, + mmDMA_IF_E_N_SOB_MAX_RPROT_0, mmDMA_IF_E_N_DMA0_MAX_RPROT_0, mmDMA_IF_E_N_DMA1_MAX_RPROT_0, mmSIF_RTR_0_LBW_RANGE_PROT_MAX_AR_0, @@ -173,7 +198,7 @@ static u64 gaudi_rr_lbw_max_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_7_LBW_RANGE_PROT_MAX_AR_0, }; -static u64 gaudi_rr_hbw_hit_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_hit_aw_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_HIT_AW, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_HIT_AW, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_HIT_AW, @@ -200,7 +225,7 @@ static u64 gaudi_rr_hbw_hit_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_HIT_AW }; -static u64 gaudi_rr_hbw_hit_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_hit_ar_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_HIT_AR, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_HIT_AR, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_HIT_AR, @@ -227,7 +252,7 @@ static u64 gaudi_rr_hbw_hit_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_HIT_AR }; -static u64 gaudi_rr_hbw_base_low_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_base_low_aw_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_BASE_LOW_AW_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_BASE_LOW_AW_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_BASE_LOW_AW_0, @@ -254,7 +279,7 @@ static u64 gaudi_rr_hbw_base_low_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_BASE_LOW_AW_0 }; -static u64 gaudi_rr_hbw_base_high_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_base_high_aw_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_BASE_HIGH_AW_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_BASE_HIGH_AW_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_BASE_HIGH_AW_0, @@ -281,7 +306,7 @@ static u64 gaudi_rr_hbw_base_high_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_BASE_HIGH_AW_0 }; -static u64 gaudi_rr_hbw_mask_low_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_mask_low_aw_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_MASK_LOW_AW_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_MASK_LOW_AW_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_MASK_LOW_AW_0, @@ -308,7 +333,7 @@ static u64 gaudi_rr_hbw_mask_low_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_MASK_LOW_AW_0 }; -static u64 gaudi_rr_hbw_mask_high_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_mask_high_aw_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_MASK_HIGH_AW_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_MASK_HIGH_AW_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_MASK_HIGH_AW_0, @@ -335,7 +360,7 @@ static u64 gaudi_rr_hbw_mask_high_aw_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_MASK_HIGH_AW_0 }; -static u64 gaudi_rr_hbw_base_low_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_base_low_ar_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_BASE_LOW_AR_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_BASE_LOW_AR_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_BASE_LOW_AR_0, @@ -362,7 +387,7 @@ static u64 gaudi_rr_hbw_base_low_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_BASE_LOW_AR_0 }; -static u64 gaudi_rr_hbw_base_high_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_base_high_ar_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_BASE_HIGH_AR_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_BASE_HIGH_AR_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_BASE_HIGH_AR_0, @@ -389,7 +414,7 @@ static u64 gaudi_rr_hbw_base_high_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_BASE_HIGH_AR_0 }; -static u64 gaudi_rr_hbw_mask_low_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_mask_low_ar_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_MASK_LOW_AR_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_MASK_LOW_AR_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_MASK_LOW_AR_0, @@ -416,7 +441,7 @@ static u64 gaudi_rr_hbw_mask_low_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { mmNIF_RTR_CTRL_7_RANGE_SEC_MASK_LOW_AR_0 }; -static u64 gaudi_rr_hbw_mask_high_ar_regs[GAUDI_NUMBER_OF_RR_REGS] = { +static u64 gaudi_rr_hbw_mask_high_ar_regs[GAUDI_NUMBER_OF_HBW_RR_REGS] = { mmDMA_IF_W_S_DOWN_CH0_RANGE_SEC_MASK_HIGH_AR_0, mmDMA_IF_W_S_DOWN_CH1_RANGE_SEC_MASK_HIGH_AR_0, mmDMA_IF_E_S_DOWN_CH0_RANGE_SEC_MASK_HIGH_AR_0, @@ -12849,50 +12874,44 @@ static void gaudi_init_range_registers_lbw(struct hl_device *hdev) u32 lbw_rng_end[GAUDI_NUMBER_OF_LBW_RANGES]; int i, j; - lbw_rng_start[0] = (0xFBFE0000 & 0x3FFFFFF) - 1; - lbw_rng_end[0] = (0xFBFFF000 & 0x3FFFFFF) + 1; + lbw_rng_start[0] = (0xFC0E8000 & 0x3FFFFFF) - 1; /* 0x000E7FFF */ + lbw_rng_end[0] = (0xFC11FFFF & 0x3FFFFFF) + 1; /* 0x00120000 */ - lbw_rng_start[1] = (0xFC0E8000 & 0x3FFFFFF) - 1; - lbw_rng_end[1] = (0xFC120000 & 0x3FFFFFF) + 1; + lbw_rng_start[1] = (0xFC1E8000 & 0x3FFFFFF) - 1; /* 0x001E7FFF */ + lbw_rng_end[1] = (0xFC48FFFF & 0x3FFFFFF) + 1; /* 0x00490000 */ - lbw_rng_start[2] = (0xFC1E8000 & 0x3FFFFFF) - 1; - lbw_rng_end[2] = (0xFC48FFFF & 0x3FFFFFF) + 1; + lbw_rng_start[2] = (0xFC600000 & 0x3FFFFFF) - 1; /* 0x005FFFFF */ + lbw_rng_end[2] = (0xFCC48FFF & 0x3FFFFFF) + 1; /* 0x00C49000 */ - lbw_rng_start[3] = (0xFC600000 & 0x3FFFFFF) - 1; - lbw_rng_end[3] = (0xFCC48FFF & 0x3FFFFFF) + 1; + lbw_rng_start[3] = (0xFCC4A000 & 0x3FFFFFF) - 1; /* 0x00C49FFF */ + lbw_rng_end[3] = (0xFCCDFFFF & 0x3FFFFFF) + 1; /* 0x00CE0000 */ - lbw_rng_start[4] = (0xFCC4A000 & 0x3FFFFFF) - 1; - lbw_rng_end[4] = (0xFCCDFFFF & 0x3FFFFFF) + 1; + lbw_rng_start[4] = (0xFCCE4000 & 0x3FFFFFF) - 1; /* 0x00CE3FFF */ + lbw_rng_end[4] = (0xFCD1FFFF & 0x3FFFFFF) + 1; /* 0x00D20000 */ - lbw_rng_start[5] = (0xFCCE4000 & 0x3FFFFFF) - 1; - lbw_rng_end[5] = (0xFCD1FFFF & 0x3FFFFFF) + 1; + lbw_rng_start[5] = (0xFCD24000 & 0x3FFFFFF) - 1; /* 0x00D23FFF */ + lbw_rng_end[5] = (0xFCD5FFFF & 0x3FFFFFF) + 1; /* 0x00D60000 */ - lbw_rng_start[6] = (0xFCD24000 & 0x3FFFFFF) - 1; - lbw_rng_end[6] = (0xFCD5FFFF & 0x3FFFFFF) + 1; + lbw_rng_start[6] = (0xFCD64000 & 0x3FFFFFF) - 1; /* 0x00D63FFF */ + lbw_rng_end[6] = (0xFCD9FFFF & 0x3FFFFFF) + 1; /* 0x00DA0000 */ - lbw_rng_start[7] = (0xFCD64000 & 0x3FFFFFF) - 1; - lbw_rng_end[7] = (0xFCD9FFFF & 0x3FFFFFF) + 1; + lbw_rng_start[7] = (0xFCDA4000 & 0x3FFFFFF) - 1; /* 0x00DA3FFF */ + lbw_rng_end[7] = (0xFCDDFFFF & 0x3FFFFFF) + 1; /* 0x00DE0000 */ - lbw_rng_start[8] = (0xFCDA4000 & 0x3FFFFFF) - 1; - lbw_rng_end[8] = (0xFCDDFFFF & 0x3FFFFFF) + 1; + lbw_rng_start[8] = (0xFCDE4000 & 0x3FFFFFF) - 1; /* 0x00DE3FFF */ + lbw_rng_end[8] = (0xFCE05FFF & 0x3FFFFFF) + 1; /* 0x00E06000 */ - lbw_rng_start[9] = (0xFCDE4000 & 0x3FFFFFF) - 1; - lbw_rng_end[9] = (0xFCE05FFF & 0x3FFFFFF) + 1; + lbw_rng_start[9] = (0xFCFC9000 & 0x3FFFFFF) - 1; /* 0x00FC8FFF */ + lbw_rng_end[9] = (0xFFFFFFFE & 0x3FFFFFF) + 1; /* 0x03FFFFFF */ - lbw_rng_start[10] = (0xFEC43000 & 0x3FFFFFF) - 1; - lbw_rng_end[10] = (0xFEC43FFF & 0x3FFFFFF) + 1; - - lbw_rng_start[11] = (0xFE484000 & 0x3FFFFFF) - 1; - lbw_rng_end[11] = (0xFE484FFF & 0x3FFFFFF) + 1; - - for (i = 0 ; i < GAUDI_NUMBER_OF_RR_REGS ; i++) { + for (i = 0 ; i < GAUDI_NUMBER_OF_LBW_RR_REGS ; i++) { WREG32(gaudi_rr_lbw_hit_aw_regs[i], (1 << GAUDI_NUMBER_OF_LBW_RANGES) - 1); WREG32(gaudi_rr_lbw_hit_ar_regs[i], (1 << GAUDI_NUMBER_OF_LBW_RANGES) - 1); } - for (i = 0 ; i < GAUDI_NUMBER_OF_RR_REGS ; i++) + for (i = 0 ; i < GAUDI_NUMBER_OF_LBW_RR_REGS ; i++) for (j = 0 ; j < GAUDI_NUMBER_OF_LBW_RANGES ; j++) { WREG32(gaudi_rr_lbw_min_aw_regs[i] + (j << 2), lbw_rng_start[j]); @@ -12939,12 +12958,12 @@ static void gaudi_init_range_registers_hbw(struct hl_device *hdev) * 6th range is the host */ - for (i = 0 ; i < GAUDI_NUMBER_OF_RR_REGS ; i++) { + for (i = 0 ; i < GAUDI_NUMBER_OF_HBW_RR_REGS ; i++) { WREG32(gaudi_rr_hbw_hit_aw_regs[i], 0x1F); WREG32(gaudi_rr_hbw_hit_ar_regs[i], 0x1D); } - for (i = 0 ; i < GAUDI_NUMBER_OF_RR_REGS ; i++) { + for (i = 0 ; i < GAUDI_NUMBER_OF_HBW_RR_REGS ; i++) { WREG32(gaudi_rr_hbw_base_low_aw_regs[i], dram_addr_lo); WREG32(gaudi_rr_hbw_base_low_ar_regs[i], dram_addr_lo); diff --git a/drivers/misc/habanalabs/include/gaudi/asic_reg/gaudi_regs.h b/drivers/misc/habanalabs/include/gaudi/asic_reg/gaudi_regs.h index ffdfbd9b3220..1a6576666794 100644 --- a/drivers/misc/habanalabs/include/gaudi/asic_reg/gaudi_regs.h +++ b/drivers/misc/habanalabs/include/gaudi/asic_reg/gaudi_regs.h @@ -308,6 +308,8 @@ #define mmPCIE_AUX_FLR_CTRL 0xC07394 #define mmPCIE_AUX_DBI 0xC07490 +#define mmPCIE_CORE_MSI_REQ 0xC04100 + #define mmPSOC_PCI_PLL_NR 0xC72100 #define mmSRAM_W_PLL_NR 0x4C8100 #define mmPSOC_HBM_PLL_NR 0xC74100 diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 71313961cc54..95b3511b0560 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -547,7 +547,7 @@ config MMC_SDHCI_MSM depends on MMC_SDHCI_PLTFM select MMC_SDHCI_IO_ACCESSORS select MMC_CQHCI - select QCOM_SCM if MMC_CRYPTO && ARCH_QCOM + select QCOM_SCM if MMC_CRYPTO help This selects the Secure Digital Host Controller Interface (SDHCI) support present in Qualcomm SOCs. The controller supports diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 6578cc64ae9e..380f9aa56eb2 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1802,10 +1802,15 @@ static enum hrtimer_restart dw_mci_fault_timer(struct hrtimer *t) spin_lock_irqsave(&host->irq_lock, flags); - if (!host->data_status) + /* + * Only inject an error if we haven't already got an error or data over + * interrupt. + */ + if (!host->data_status) { host->data_status = SDMMC_INT_DCRC; - set_bit(EVENT_DATA_ERROR, &host->pending_events); - tasklet_schedule(&host->tasklet); + set_bit(EVENT_DATA_ERROR, &host->pending_events); + tasklet_schedule(&host->tasklet); + } spin_unlock_irqrestore(&host->irq_lock, flags); @@ -2721,12 +2726,16 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } if (pending & DW_MCI_DATA_ERROR_FLAGS) { + spin_lock(&host->irq_lock); + /* if there is an error report DATA_ERROR */ mci_writel(host, RINTSTS, DW_MCI_DATA_ERROR_FLAGS); host->data_status = pending; smp_wmb(); /* drain writebuffer */ set_bit(EVENT_DATA_ERROR, &host->pending_events); tasklet_schedule(&host->tasklet); + + spin_unlock(&host->irq_lock); } if (pending & SDMMC_INT_DATA_OVER) { diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 3f28eb4d17fe..8f36536cb1b6 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -746,7 +746,7 @@ static void meson_mmc_desc_chain_transfer(struct mmc_host *mmc, u32 cmd_cfg) writel(start, host->regs + SD_EMMC_START); } -/* local sg copy to buffer version with _to/fromio usage for dram_access_quirk */ +/* local sg copy for dram_access_quirk */ static void meson_mmc_copy_buffer(struct meson_host *host, struct mmc_data *data, size_t buflen, bool to_buffer) { @@ -764,21 +764,27 @@ static void meson_mmc_copy_buffer(struct meson_host *host, struct mmc_data *data sg_miter_start(&miter, sgl, nents, sg_flags); while ((offset < buflen) && sg_miter_next(&miter)) { - unsigned int len; + unsigned int buf_offset = 0; + unsigned int len, left; + u32 *buf = miter.addr; len = min(miter.length, buflen - offset); + left = len; - /* When dram_access_quirk, the bounce buffer is a iomem mapping */ - if (host->dram_access_quirk) { - if (to_buffer) - memcpy_toio(host->bounce_iomem_buf + offset, miter.addr, len); - else - memcpy_fromio(miter.addr, host->bounce_iomem_buf + offset, len); + if (to_buffer) { + do { + writel(*buf++, host->bounce_iomem_buf + offset + buf_offset); + + buf_offset += 4; + left -= 4; + } while (left); } else { - if (to_buffer) - memcpy(host->bounce_buf + offset, miter.addr, len); - else - memcpy(miter.addr, host->bounce_buf + offset, len); + do { + *buf++ = readl(host->bounce_iomem_buf + offset + buf_offset); + + buf_offset += 4; + left -= 4; + } while (left); } offset += len; @@ -830,7 +836,11 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) if (data->flags & MMC_DATA_WRITE) { cmd_cfg |= CMD_CFG_DATA_WR; WARN_ON(xfer_bytes > host->bounce_buf_size); - meson_mmc_copy_buffer(host, data, xfer_bytes, true); + if (host->dram_access_quirk) + meson_mmc_copy_buffer(host, data, xfer_bytes, true); + else + sg_copy_to_buffer(data->sg, data->sg_len, + host->bounce_buf, xfer_bytes); dma_wmb(); } @@ -849,12 +859,43 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd) writel(cmd->arg, host->regs + SD_EMMC_CMD_ARG); } +static int meson_mmc_validate_dram_access(struct mmc_host *mmc, struct mmc_data *data) +{ + struct scatterlist *sg; + int i; + + /* Reject request if any element offset or size is not 32bit aligned */ + for_each_sg(data->sg, sg, data->sg_len, i) { + if (!IS_ALIGNED(sg->offset, sizeof(u32)) || + !IS_ALIGNED(sg->length, sizeof(u32))) { + dev_err(mmc_dev(mmc), "unaligned sg offset %u len %u\n", + data->sg->offset, data->sg->length); + return -EINVAL; + } + } + + return 0; +} + static void meson_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) { struct meson_host *host = mmc_priv(mmc); bool needs_pre_post_req = mrq->data && !(mrq->data->host_cookie & SD_EMMC_PRE_REQ_DONE); + /* + * The memory at the end of the controller used as bounce buffer for + * the dram_access_quirk only accepts 32bit read/write access, + * check the aligment and length of the data before starting the request. + */ + if (host->dram_access_quirk && mrq->data) { + mrq->cmd->error = meson_mmc_validate_dram_access(mmc, mrq->data); + if (mrq->cmd->error) { + mmc_request_done(mmc, mrq); + return; + } + } + if (needs_pre_post_req) { meson_mmc_get_transfer_mode(mmc, mrq); if (!meson_mmc_desc_chain_mode(mrq->data)) @@ -999,7 +1040,11 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id) if (meson_mmc_bounce_buf_read(data)) { xfer_bytes = data->blksz * data->blocks; WARN_ON(xfer_bytes > host->bounce_buf_size); - meson_mmc_copy_buffer(host, data, xfer_bytes, false); + if (host->dram_access_quirk) + meson_mmc_copy_buffer(host, data, xfer_bytes, false); + else + sg_copy_from_buffer(data->sg, data->sg_len, + host->bounce_buf, xfer_bytes); } next_cmd = meson_mmc_get_next_command(cmd); diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index 6fc4cf3c9dce..a4407f391f66 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -561,6 +561,8 @@ static void renesas_sdhi_reset(struct tmio_mmc_host *host) /* Unknown why but without polling reset status, it will hang */ read_poll_timeout(reset_control_status, ret, ret == 0, 1, 100, false, priv->rstc); + /* At least SDHI_VER_GEN2_SDR50 needs manual release of reset */ + sd_ctrl_write16(host, CTL_RESET_SD, 0x0001); priv->needs_adjust_hs400 = false; renesas_sdhi_set_clock(host, host->clk_cache); } else if (priv->scc_ctl) { diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 5564d7b23e7c..d1a1c548c515 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -11,6 +11,7 @@ #include <linux/delay.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/mmc/host.h> #include <linux/mmc/slot-gpio.h> @@ -61,7 +62,6 @@ static void sdhci_at91_set_force_card_detect(struct sdhci_host *host) static void sdhci_at91_set_clock(struct sdhci_host *host, unsigned int clock) { u16 clk; - unsigned long timeout; host->mmc->actual_clock = 0; @@ -86,16 +86,11 @@ static void sdhci_at91_set_clock(struct sdhci_host *host, unsigned int clock) sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); /* Wait max 20 ms */ - timeout = 20; - while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) - & SDHCI_CLOCK_INT_STABLE)) { - if (timeout == 0) { - pr_err("%s: Internal clock never stabilised.\n", - mmc_hostname(host->mmc)); - return; - } - timeout--; - mdelay(1); + if (read_poll_timeout(sdhci_readw, clk, (clk & SDHCI_CLOCK_INT_STABLE), + 1000, 20000, false, host, SDHCI_CLOCK_CONTROL)) { + pr_err("%s: Internal clock never stabilised.\n", + mmc_hostname(host->mmc)); + return; } clk |= SDHCI_CLOCK_CARD_EN; @@ -114,6 +109,7 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_at91_priv *priv = sdhci_pltfm_priv(pltfm_host); + unsigned int tmp; sdhci_reset(host, mask); @@ -126,6 +122,10 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask) sdhci_writel(host, calcr | SDMMC_CALCR_ALWYSON | SDMMC_CALCR_EN, SDMMC_CALCR); + + if (read_poll_timeout(sdhci_readl, tmp, !(tmp & SDMMC_CALCR_EN), + 10, 20000, false, host, SDMMC_CALCR)) + dev_err(mmc_dev(host->mmc), "Failed to calibrate\n"); } } diff --git a/drivers/net/dsa/b53/b53_mdio.c b/drivers/net/dsa/b53/b53_mdio.c index a533a90e3904..a7aeb3c132c9 100644 --- a/drivers/net/dsa/b53/b53_mdio.c +++ b/drivers/net/dsa/b53/b53_mdio.c @@ -351,9 +351,25 @@ static int b53_mdio_probe(struct mdio_device *mdiodev) static void b53_mdio_remove(struct mdio_device *mdiodev) { struct b53_device *dev = dev_get_drvdata(&mdiodev->dev); - struct dsa_switch *ds = dev->ds; - dsa_unregister_switch(ds); + if (!dev) + return; + + b53_switch_remove(dev); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void b53_mdio_shutdown(struct mdio_device *mdiodev) +{ + struct b53_device *dev = dev_get_drvdata(&mdiodev->dev); + + if (!dev) + return; + + b53_switch_shutdown(dev); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id b53_of_match[] = { @@ -373,6 +389,7 @@ MODULE_DEVICE_TABLE(of, b53_of_match); static struct mdio_driver b53_mdio_driver = { .probe = b53_mdio_probe, .remove = b53_mdio_remove, + .shutdown = b53_mdio_shutdown, .mdiodrv.driver = { .name = "bcm53xx", .of_match_table = b53_of_match, diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c index 82680e083cc2..ae4c79d39bc0 100644 --- a/drivers/net/dsa/b53/b53_mmap.c +++ b/drivers/net/dsa/b53/b53_mmap.c @@ -316,9 +316,21 @@ static int b53_mmap_remove(struct platform_device *pdev) if (dev) b53_switch_remove(dev); + platform_set_drvdata(pdev, NULL); + return 0; } +static void b53_mmap_shutdown(struct platform_device *pdev) +{ + struct b53_device *dev = platform_get_drvdata(pdev); + + if (dev) + b53_switch_shutdown(dev); + + platform_set_drvdata(pdev, NULL); +} + static const struct of_device_id b53_mmap_of_table[] = { { .compatible = "brcm,bcm3384-switch" }, { .compatible = "brcm,bcm6328-switch" }, @@ -331,6 +343,7 @@ MODULE_DEVICE_TABLE(of, b53_mmap_of_table); static struct platform_driver b53_mmap_driver = { .probe = b53_mmap_probe, .remove = b53_mmap_remove, + .shutdown = b53_mmap_shutdown, .driver = { .name = "b53-switch", .of_match_table = b53_mmap_of_table, diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index 5d068acf7cf8..959a52d41f0a 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -228,6 +228,11 @@ static inline void b53_switch_remove(struct b53_device *dev) dsa_unregister_switch(dev->ds); } +static inline void b53_switch_shutdown(struct b53_device *dev) +{ + dsa_switch_shutdown(dev->ds); +} + #define b53_build_op(type_op_size, val_type) \ static inline int b53_##type_op_size(struct b53_device *dev, u8 page, \ u8 reg, val_type val) \ diff --git a/drivers/net/dsa/b53/b53_spi.c b/drivers/net/dsa/b53/b53_spi.c index ecb9f7f6b335..01e37b75471e 100644 --- a/drivers/net/dsa/b53/b53_spi.c +++ b/drivers/net/dsa/b53/b53_spi.c @@ -321,9 +321,21 @@ static int b53_spi_remove(struct spi_device *spi) if (dev) b53_switch_remove(dev); + spi_set_drvdata(spi, NULL); + return 0; } +static void b53_spi_shutdown(struct spi_device *spi) +{ + struct b53_device *dev = spi_get_drvdata(spi); + + if (dev) + b53_switch_shutdown(dev); + + spi_set_drvdata(spi, NULL); +} + static const struct of_device_id b53_spi_of_match[] = { { .compatible = "brcm,bcm5325" }, { .compatible = "brcm,bcm5365" }, @@ -344,6 +356,7 @@ static struct spi_driver b53_spi_driver = { }, .probe = b53_spi_probe, .remove = b53_spi_remove, + .shutdown = b53_spi_shutdown, }; module_spi_driver(b53_spi_driver); diff --git a/drivers/net/dsa/b53/b53_srab.c b/drivers/net/dsa/b53/b53_srab.c index 3f4249de70c5..4591bb1c05d2 100644 --- a/drivers/net/dsa/b53/b53_srab.c +++ b/drivers/net/dsa/b53/b53_srab.c @@ -629,17 +629,34 @@ static int b53_srab_probe(struct platform_device *pdev) static int b53_srab_remove(struct platform_device *pdev) { struct b53_device *dev = platform_get_drvdata(pdev); - struct b53_srab_priv *priv = dev->priv; - b53_srab_intr_set(priv, false); + if (!dev) + return 0; + + b53_srab_intr_set(dev->priv, false); b53_switch_remove(dev); + platform_set_drvdata(pdev, NULL); + return 0; } +static void b53_srab_shutdown(struct platform_device *pdev) +{ + struct b53_device *dev = platform_get_drvdata(pdev); + + if (!dev) + return; + + b53_switch_shutdown(dev); + + platform_set_drvdata(pdev, NULL); +} + static struct platform_driver b53_srab_driver = { .probe = b53_srab_probe, .remove = b53_srab_remove, + .shutdown = b53_srab_shutdown, .driver = { .name = "b53-srab-switch", .of_match_table = b53_srab_of_match, diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 6ce9ec1283e0..7578a5c38df5 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -68,7 +68,7 @@ static unsigned int bcm_sf2_num_active_ports(struct dsa_switch *ds) struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); unsigned int port, count = 0; - for (port = 0; port < ARRAY_SIZE(priv->port_sts); port++) { + for (port = 0; port < ds->num_ports; port++) { if (dsa_is_cpu_port(ds, port)) continue; if (priv->port_sts[port].enabled) @@ -1512,6 +1512,9 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev) { struct bcm_sf2_priv *priv = platform_get_drvdata(pdev); + if (!priv) + return 0; + priv->wol_ports_mask = 0; /* Disable interrupts */ bcm_sf2_intr_disable(priv); @@ -1523,6 +1526,8 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev) if (priv->type == BCM7278_DEVICE_ID) reset_control_assert(priv->rcdev); + platform_set_drvdata(pdev, NULL); + return 0; } @@ -1530,6 +1535,9 @@ static void bcm_sf2_sw_shutdown(struct platform_device *pdev) { struct bcm_sf2_priv *priv = platform_get_drvdata(pdev); + if (!priv) + return; + /* For a kernel about to be kexec'd we want to keep the GPHY on for a * successful MDIO bus scan to occur. If we did turn off the GPHY * before (e.g: port_disable), this will also power it back on. @@ -1538,6 +1546,10 @@ static void bcm_sf2_sw_shutdown(struct platform_device *pdev) */ if (priv->hw_params.num_gphy == 1) bcm_sf2_gphy_enable_set(priv->dev->ds, true); + + dsa_switch_shutdown(priv->dev->ds); + + platform_set_drvdata(pdev, NULL); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c index bfdf3324aac3..e638e3eea911 100644 --- a/drivers/net/dsa/dsa_loop.c +++ b/drivers/net/dsa/dsa_loop.c @@ -340,10 +340,29 @@ static int dsa_loop_drv_probe(struct mdio_device *mdiodev) static void dsa_loop_drv_remove(struct mdio_device *mdiodev) { struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); - struct dsa_loop_priv *ps = ds->priv; + struct dsa_loop_priv *ps; + + if (!ds) + return; + + ps = ds->priv; dsa_unregister_switch(ds); dev_put(ps->netdev); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void dsa_loop_drv_shutdown(struct mdio_device *mdiodev) +{ + struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); + + if (!ds) + return; + + dsa_switch_shutdown(ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static struct mdio_driver dsa_loop_drv = { @@ -352,6 +371,7 @@ static struct mdio_driver dsa_loop_drv = { }, .probe = dsa_loop_drv_probe, .remove = dsa_loop_drv_remove, + .shutdown = dsa_loop_drv_shutdown, }; #define NUM_FIXED_PHYS (DSA_LOOP_NUM_PORTS - 2) diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c index 542cfc4ccb08..354655f9ed00 100644 --- a/drivers/net/dsa/hirschmann/hellcreek.c +++ b/drivers/net/dsa/hirschmann/hellcreek.c @@ -1916,6 +1916,9 @@ static int hellcreek_remove(struct platform_device *pdev) { struct hellcreek *hellcreek = platform_get_drvdata(pdev); + if (!hellcreek) + return 0; + hellcreek_hwtstamp_free(hellcreek); hellcreek_ptp_free(hellcreek); dsa_unregister_switch(hellcreek->ds); @@ -1924,6 +1927,18 @@ static int hellcreek_remove(struct platform_device *pdev) return 0; } +static void hellcreek_shutdown(struct platform_device *pdev) +{ + struct hellcreek *hellcreek = platform_get_drvdata(pdev); + + if (!hellcreek) + return; + + dsa_switch_shutdown(hellcreek->ds); + + platform_set_drvdata(pdev, NULL); +} + static const struct hellcreek_platform_data de1soc_r1_pdata = { .name = "r4c30", .num_ports = 4, @@ -1946,6 +1961,7 @@ MODULE_DEVICE_TABLE(of, hellcreek_of_match); static struct platform_driver hellcreek_driver = { .probe = hellcreek_probe, .remove = hellcreek_remove, + .shutdown = hellcreek_shutdown, .driver = { .name = "hellcreek", .of_match_table = hellcreek_of_match, diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c index d7ce281570b5..89f920289ae2 100644 --- a/drivers/net/dsa/lan9303-core.c +++ b/drivers/net/dsa/lan9303-core.c @@ -1379,6 +1379,12 @@ int lan9303_remove(struct lan9303 *chip) } EXPORT_SYMBOL(lan9303_remove); +void lan9303_shutdown(struct lan9303 *chip) +{ + dsa_switch_shutdown(chip->ds); +} +EXPORT_SYMBOL(lan9303_shutdown); + MODULE_AUTHOR("Juergen Borleis <kernel@pengutronix.de>"); MODULE_DESCRIPTION("Core driver for SMSC/Microchip LAN9303 three port ethernet switch"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/lan9303.h b/drivers/net/dsa/lan9303.h index 11f590b64701..c7f73efa50f0 100644 --- a/drivers/net/dsa/lan9303.h +++ b/drivers/net/dsa/lan9303.h @@ -10,3 +10,4 @@ extern const struct lan9303_phy_ops lan9303_indirect_phy_ops; int lan9303_probe(struct lan9303 *chip, struct device_node *np); int lan9303_remove(struct lan9303 *chip); +void lan9303_shutdown(struct lan9303 *chip); diff --git a/drivers/net/dsa/lan9303_i2c.c b/drivers/net/dsa/lan9303_i2c.c index 9bffaef65a04..8ca4713310fa 100644 --- a/drivers/net/dsa/lan9303_i2c.c +++ b/drivers/net/dsa/lan9303_i2c.c @@ -67,13 +67,28 @@ static int lan9303_i2c_probe(struct i2c_client *client, static int lan9303_i2c_remove(struct i2c_client *client) { - struct lan9303_i2c *sw_dev; + struct lan9303_i2c *sw_dev = i2c_get_clientdata(client); - sw_dev = i2c_get_clientdata(client); if (!sw_dev) - return -ENODEV; + return 0; + + lan9303_remove(&sw_dev->chip); + + i2c_set_clientdata(client, NULL); + + return 0; +} + +static void lan9303_i2c_shutdown(struct i2c_client *client) +{ + struct lan9303_i2c *sw_dev = i2c_get_clientdata(client); + + if (!sw_dev) + return; + + lan9303_shutdown(&sw_dev->chip); - return lan9303_remove(&sw_dev->chip); + i2c_set_clientdata(client, NULL); } /*-------------------------------------------------------------------------*/ @@ -97,6 +112,7 @@ static struct i2c_driver lan9303_i2c_driver = { }, .probe = lan9303_i2c_probe, .remove = lan9303_i2c_remove, + .shutdown = lan9303_i2c_shutdown, .id_table = lan9303_i2c_id, }; module_i2c_driver(lan9303_i2c_driver); diff --git a/drivers/net/dsa/lan9303_mdio.c b/drivers/net/dsa/lan9303_mdio.c index 9cbe80460b53..bbb7032409ba 100644 --- a/drivers/net/dsa/lan9303_mdio.c +++ b/drivers/net/dsa/lan9303_mdio.c @@ -138,6 +138,20 @@ static void lan9303_mdio_remove(struct mdio_device *mdiodev) return; lan9303_remove(&sw_dev->chip); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void lan9303_mdio_shutdown(struct mdio_device *mdiodev) +{ + struct lan9303_mdio *sw_dev = dev_get_drvdata(&mdiodev->dev); + + if (!sw_dev) + return; + + lan9303_shutdown(&sw_dev->chip); + + dev_set_drvdata(&mdiodev->dev, NULL); } /*-------------------------------------------------------------------------*/ @@ -155,6 +169,7 @@ static struct mdio_driver lan9303_mdio_driver = { }, .probe = lan9303_mdio_probe, .remove = lan9303_mdio_remove, + .shutdown = lan9303_mdio_shutdown, }; mdio_module_driver(lan9303_mdio_driver); diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 64d6dfa83122..3ff4b7e177f3 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1885,6 +1885,12 @@ static int gswip_gphy_fw_load(struct gswip_priv *priv, struct gswip_gphy_fw *gph reset_control_assert(gphy_fw->reset); + /* The vendor BSP uses a 200ms delay after asserting the reset line. + * Without this some users are observing that the PHY is not coming up + * on the MDIO bus. + */ + msleep(200); + ret = request_firmware(&fw, gphy_fw->fw_name, dev); if (ret) { dev_err(dev, "failed to load firmware: %s, error: %i\n", @@ -2178,6 +2184,9 @@ static int gswip_remove(struct platform_device *pdev) struct gswip_priv *priv = platform_get_drvdata(pdev); int i; + if (!priv) + return 0; + /* disable the switch */ gswip_mdio_mask(priv, GSWIP_MDIO_GLOB_ENABLE, 0, GSWIP_MDIO_GLOB); @@ -2191,9 +2200,23 @@ static int gswip_remove(struct platform_device *pdev) for (i = 0; i < priv->num_gphy_fw; i++) gswip_gphy_fw_remove(priv, &priv->gphy_fw[i]); + platform_set_drvdata(pdev, NULL); + return 0; } +static void gswip_shutdown(struct platform_device *pdev) +{ + struct gswip_priv *priv = platform_get_drvdata(pdev); + + if (!priv) + return; + + dsa_switch_shutdown(priv->ds); + + platform_set_drvdata(pdev, NULL); +} + static const struct gswip_hw_info gswip_xrx200 = { .max_ports = 7, .cpu_port = 6, @@ -2217,6 +2240,7 @@ MODULE_DEVICE_TABLE(of, gswip_of_match); static struct platform_driver gswip_driver = { .probe = gswip_probe, .remove = gswip_remove, + .shutdown = gswip_shutdown, .driver = { .name = "gswip", .of_match_table = gswip_of_match, diff --git a/drivers/net/dsa/microchip/ksz8795_spi.c b/drivers/net/dsa/microchip/ksz8795_spi.c index ea7550d1b634..866767b70d65 100644 --- a/drivers/net/dsa/microchip/ksz8795_spi.c +++ b/drivers/net/dsa/microchip/ksz8795_spi.c @@ -94,6 +94,8 @@ static int ksz8795_spi_remove(struct spi_device *spi) if (dev) ksz_switch_remove(dev); + spi_set_drvdata(spi, NULL); + return 0; } @@ -101,8 +103,15 @@ static void ksz8795_spi_shutdown(struct spi_device *spi) { struct ksz_device *dev = spi_get_drvdata(spi); - if (dev && dev->dev_ops->shutdown) + if (!dev) + return; + + if (dev->dev_ops->shutdown) dev->dev_ops->shutdown(dev); + + dsa_switch_shutdown(dev->ds); + + spi_set_drvdata(spi, NULL); } static const struct of_device_id ksz8795_dt_ids[] = { diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 11293485138c..5883fa7edda2 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -191,6 +191,18 @@ static void ksz8863_smi_remove(struct mdio_device *mdiodev) if (dev) ksz_switch_remove(dev); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void ksz8863_smi_shutdown(struct mdio_device *mdiodev) +{ + struct ksz_device *dev = dev_get_drvdata(&mdiodev->dev); + + if (dev) + dsa_switch_shutdown(dev->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id ksz8863_dt_ids[] = { @@ -203,6 +215,7 @@ MODULE_DEVICE_TABLE(of, ksz8863_dt_ids); static struct mdio_driver ksz8863_driver = { .probe = ksz8863_smi_probe, .remove = ksz8863_smi_remove, + .shutdown = ksz8863_smi_shutdown, .mdiodrv.driver = { .name = "ksz8863-switch", .of_match_table = ksz8863_dt_ids, diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c index 4e053a25d077..f3afb8b8c4cc 100644 --- a/drivers/net/dsa/microchip/ksz9477_i2c.c +++ b/drivers/net/dsa/microchip/ksz9477_i2c.c @@ -56,7 +56,10 @@ static int ksz9477_i2c_remove(struct i2c_client *i2c) { struct ksz_device *dev = i2c_get_clientdata(i2c); - ksz_switch_remove(dev); + if (dev) + ksz_switch_remove(dev); + + i2c_set_clientdata(i2c, NULL); return 0; } @@ -65,8 +68,15 @@ static void ksz9477_i2c_shutdown(struct i2c_client *i2c) { struct ksz_device *dev = i2c_get_clientdata(i2c); - if (dev && dev->dev_ops->shutdown) + if (!dev) + return; + + if (dev->dev_ops->shutdown) dev->dev_ops->shutdown(dev); + + dsa_switch_shutdown(dev->ds); + + i2c_set_clientdata(i2c, NULL); } static const struct i2c_device_id ksz9477_i2c_id[] = { diff --git a/drivers/net/dsa/microchip/ksz9477_spi.c b/drivers/net/dsa/microchip/ksz9477_spi.c index 15bc11b3cda4..e3cb0e6c9f6f 100644 --- a/drivers/net/dsa/microchip/ksz9477_spi.c +++ b/drivers/net/dsa/microchip/ksz9477_spi.c @@ -72,6 +72,8 @@ static int ksz9477_spi_remove(struct spi_device *spi) if (dev) ksz_switch_remove(dev); + spi_set_drvdata(spi, NULL); + return 0; } @@ -79,8 +81,10 @@ static void ksz9477_spi_shutdown(struct spi_device *spi) { struct ksz_device *dev = spi_get_drvdata(spi); - if (dev && dev->dev_ops->shutdown) - dev->dev_ops->shutdown(dev); + if (dev) + dsa_switch_shutdown(dev->ds); + + spi_set_drvdata(spi, NULL); } static const struct of_device_id ksz9477_dt_ids[] = { diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index d0cba2d1cd68..094737e5084a 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -3286,6 +3286,9 @@ mt7530_remove(struct mdio_device *mdiodev) struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev); int ret = 0; + if (!priv) + return; + ret = regulator_disable(priv->core_pwr); if (ret < 0) dev_err(priv->dev, @@ -3301,11 +3304,26 @@ mt7530_remove(struct mdio_device *mdiodev) dsa_unregister_switch(priv->ds); mutex_destroy(&priv->reg_mutex); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void mt7530_shutdown(struct mdio_device *mdiodev) +{ + struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev); + + if (!priv) + return; + + dsa_switch_shutdown(priv->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static struct mdio_driver mt7530_mdio_driver = { .probe = mt7530_probe, .remove = mt7530_remove, + .shutdown = mt7530_shutdown, .mdiodrv.driver = { .name = "mt7530", .of_match_table = mt7530_of_match, diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c index 24b8219fd607..a4c6eb9a52d0 100644 --- a/drivers/net/dsa/mv88e6060.c +++ b/drivers/net/dsa/mv88e6060.c @@ -290,7 +290,24 @@ static void mv88e6060_remove(struct mdio_device *mdiodev) { struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); + if (!ds) + return; + dsa_unregister_switch(ds); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void mv88e6060_shutdown(struct mdio_device *mdiodev) +{ + struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); + + if (!ds) + return; + + dsa_switch_shutdown(ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id mv88e6060_of_match[] = { @@ -303,6 +320,7 @@ static const struct of_device_id mv88e6060_of_match[] = { static struct mdio_driver mv88e6060_driver = { .probe = mv88e6060_probe, .remove = mv88e6060_remove, + .shutdown = mv88e6060_shutdown, .mdiodrv.driver = { .name = "mv88e6060", .of_match_table = mv88e6060_of_match, diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index c45ca2473743..03744d1c43fc 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2834,8 +2834,8 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) if (err) return err; - /* Port Control 2: don't force a good FCS, set the maximum frame size to - * 10240 bytes, disable 802.1q tags checking, don't discard tagged or + /* Port Control 2: don't force a good FCS, set the MTU size to + * 10222 bytes, disable 802.1q tags checking, don't discard tagged or * untagged frames on this port, do a destination address lookup on all * received packets as usual, disable ARP mirroring and don't send a * copy of all transmitted/received frames on this port to the CPU. @@ -2854,7 +2854,7 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) return err; if (chip->info->ops->port_set_jumbo_size) { - err = chip->info->ops->port_set_jumbo_size(chip, port, 10240); + err = chip->info->ops->port_set_jumbo_size(chip, port, 10218); if (err) return err; } @@ -2944,10 +2944,10 @@ static int mv88e6xxx_get_max_mtu(struct dsa_switch *ds, int port) struct mv88e6xxx_chip *chip = ds->priv; if (chip->info->ops->port_set_jumbo_size) - return 10240; + return 10240 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN; else if (chip->info->ops->set_max_frame_size) - return 1632; - return 1522; + return 1632 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN; + return 1522 - VLAN_ETH_HLEN - EDSA_HLEN - ETH_FCS_LEN; } static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) @@ -2955,6 +2955,9 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) struct mv88e6xxx_chip *chip = ds->priv; int ret = 0; + if (dsa_is_dsa_port(ds, port) || dsa_is_cpu_port(ds, port)) + new_mtu += EDSA_HLEN; + mv88e6xxx_reg_lock(chip); if (chip->info->ops->port_set_jumbo_size) ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu); @@ -3071,7 +3074,7 @@ static void mv88e6xxx_teardown(struct dsa_switch *ds) { mv88e6xxx_teardown_devlink_params(ds); dsa_devlink_resources_unregister(ds); - mv88e6xxx_teardown_devlink_regions(ds); + mv88e6xxx_teardown_devlink_regions_global(ds); } static int mv88e6xxx_setup(struct dsa_switch *ds) @@ -3215,7 +3218,7 @@ unlock: if (err) goto out_resources; - err = mv88e6xxx_setup_devlink_regions(ds); + err = mv88e6xxx_setup_devlink_regions_global(ds); if (err) goto out_params; @@ -3229,6 +3232,16 @@ out_resources: return err; } +static int mv88e6xxx_port_setup(struct dsa_switch *ds, int port) +{ + return mv88e6xxx_setup_devlink_regions_port(ds, port); +} + +static void mv88e6xxx_port_teardown(struct dsa_switch *ds, int port) +{ + mv88e6xxx_teardown_devlink_regions_port(ds, port); +} + /* prod_id for switch families which do not have a PHY model number */ static const u16 family_prod_id_table[] = { [MV88E6XXX_FAMILY_6341] = MV88E6XXX_PORT_SWITCH_ID_PROD_6341, @@ -3715,7 +3728,6 @@ static const struct mv88e6xxx_ops mv88e6161_ops = { .port_set_ucast_flood = mv88e6352_port_set_ucast_flood, .port_set_mcast_flood = mv88e6352_port_set_mcast_flood, .port_set_ether_type = mv88e6351_port_set_ether_type, - .port_set_jumbo_size = mv88e6165_port_set_jumbo_size, .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting, .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, @@ -3740,6 +3752,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = { .avb_ops = &mv88e6165_avb_ops, .ptp_ops = &mv88e6165_ptp_ops, .phylink_validate = mv88e6185_phylink_validate, + .set_max_frame_size = mv88e6185_g1_set_max_frame_size, }; static const struct mv88e6xxx_ops mv88e6165_ops = { @@ -6116,6 +6129,8 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = { .change_tag_protocol = mv88e6xxx_change_tag_protocol, .setup = mv88e6xxx_setup, .teardown = mv88e6xxx_teardown, + .port_setup = mv88e6xxx_port_setup, + .port_teardown = mv88e6xxx_port_teardown, .phylink_validate = mv88e6xxx_validate, .phylink_mac_link_state = mv88e6xxx_serdes_pcs_get_state, .phylink_mac_config = mv88e6xxx_mac_config, @@ -6389,7 +6404,12 @@ out: static void mv88e6xxx_remove(struct mdio_device *mdiodev) { struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); - struct mv88e6xxx_chip *chip = ds->priv; + struct mv88e6xxx_chip *chip; + + if (!ds) + return; + + chip = ds->priv; if (chip->info->ptp_support) { mv88e6xxx_hwtstamp_free(chip); @@ -6410,6 +6430,20 @@ static void mv88e6xxx_remove(struct mdio_device *mdiodev) mv88e6xxx_g1_irq_free(chip); else mv88e6xxx_irq_poll_free(chip); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void mv88e6xxx_shutdown(struct mdio_device *mdiodev) +{ + struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev); + + if (!ds) + return; + + dsa_switch_shutdown(ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id mv88e6xxx_of_match[] = { @@ -6433,6 +6467,7 @@ MODULE_DEVICE_TABLE(of, mv88e6xxx_of_match); static struct mdio_driver mv88e6xxx_driver = { .probe = mv88e6xxx_probe, .remove = mv88e6xxx_remove, + .shutdown = mv88e6xxx_shutdown, .mdiodrv.driver = { .name = "mv88e6085", .of_match_table = mv88e6xxx_of_match, diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 675b1f3e43b7..59f316cc8583 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -18,6 +18,7 @@ #include <linux/timecounter.h> #include <net/dsa.h> +#define EDSA_HLEN 8 #define MV88E6XXX_N_FID 4096 /* PVT limits for 4-bit port and 5-bit switch */ diff --git a/drivers/net/dsa/mv88e6xxx/devlink.c b/drivers/net/dsa/mv88e6xxx/devlink.c index 0c0f5ea6680c..381068395c63 100644 --- a/drivers/net/dsa/mv88e6xxx/devlink.c +++ b/drivers/net/dsa/mv88e6xxx/devlink.c @@ -647,26 +647,25 @@ static struct mv88e6xxx_region mv88e6xxx_regions[] = { }, }; -static void -mv88e6xxx_teardown_devlink_regions_global(struct mv88e6xxx_chip *chip) +void mv88e6xxx_teardown_devlink_regions_global(struct dsa_switch *ds) { + struct mv88e6xxx_chip *chip = ds->priv; int i; for (i = 0; i < ARRAY_SIZE(mv88e6xxx_regions); i++) dsa_devlink_region_destroy(chip->regions[i]); } -static void -mv88e6xxx_teardown_devlink_regions_port(struct mv88e6xxx_chip *chip, - int port) +void mv88e6xxx_teardown_devlink_regions_port(struct dsa_switch *ds, int port) { + struct mv88e6xxx_chip *chip = ds->priv; + dsa_devlink_region_destroy(chip->ports[port].region); } -static int mv88e6xxx_setup_devlink_regions_port(struct dsa_switch *ds, - struct mv88e6xxx_chip *chip, - int port) +int mv88e6xxx_setup_devlink_regions_port(struct dsa_switch *ds, int port) { + struct mv88e6xxx_chip *chip = ds->priv; struct devlink_region *region; region = dsa_devlink_port_region_create(ds, @@ -681,40 +680,10 @@ static int mv88e6xxx_setup_devlink_regions_port(struct dsa_switch *ds, return 0; } -static void -mv88e6xxx_teardown_devlink_regions_ports(struct mv88e6xxx_chip *chip) -{ - int port; - - for (port = 0; port < mv88e6xxx_num_ports(chip); port++) - mv88e6xxx_teardown_devlink_regions_port(chip, port); -} - -static int mv88e6xxx_setup_devlink_regions_ports(struct dsa_switch *ds, - struct mv88e6xxx_chip *chip) -{ - int port; - int err; - - for (port = 0; port < mv88e6xxx_num_ports(chip); port++) { - err = mv88e6xxx_setup_devlink_regions_port(ds, chip, port); - if (err) - goto out; - } - - return 0; - -out: - while (port-- > 0) - mv88e6xxx_teardown_devlink_regions_port(chip, port); - - return err; -} - -static int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds, - struct mv88e6xxx_chip *chip) +int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds) { bool (*cond)(struct mv88e6xxx_chip *chip); + struct mv88e6xxx_chip *chip = ds->priv; struct devlink_region_ops *ops; struct devlink_region *region; u64 size; @@ -753,30 +722,6 @@ out: return PTR_ERR(region); } -int mv88e6xxx_setup_devlink_regions(struct dsa_switch *ds) -{ - struct mv88e6xxx_chip *chip = ds->priv; - int err; - - err = mv88e6xxx_setup_devlink_regions_global(ds, chip); - if (err) - return err; - - err = mv88e6xxx_setup_devlink_regions_ports(ds, chip); - if (err) - mv88e6xxx_teardown_devlink_regions_global(chip); - - return err; -} - -void mv88e6xxx_teardown_devlink_regions(struct dsa_switch *ds) -{ - struct mv88e6xxx_chip *chip = ds->priv; - - mv88e6xxx_teardown_devlink_regions_ports(chip); - mv88e6xxx_teardown_devlink_regions_global(chip); -} - int mv88e6xxx_devlink_info_get(struct dsa_switch *ds, struct devlink_info_req *req, struct netlink_ext_ack *extack) diff --git a/drivers/net/dsa/mv88e6xxx/devlink.h b/drivers/net/dsa/mv88e6xxx/devlink.h index 3d72db3dcf95..65ce6a6858b9 100644 --- a/drivers/net/dsa/mv88e6xxx/devlink.h +++ b/drivers/net/dsa/mv88e6xxx/devlink.h @@ -12,8 +12,10 @@ int mv88e6xxx_devlink_param_get(struct dsa_switch *ds, u32 id, struct devlink_param_gset_ctx *ctx); int mv88e6xxx_devlink_param_set(struct dsa_switch *ds, u32 id, struct devlink_param_gset_ctx *ctx); -int mv88e6xxx_setup_devlink_regions(struct dsa_switch *ds); -void mv88e6xxx_teardown_devlink_regions(struct dsa_switch *ds); +int mv88e6xxx_setup_devlink_regions_global(struct dsa_switch *ds); +void mv88e6xxx_teardown_devlink_regions_global(struct dsa_switch *ds); +int mv88e6xxx_setup_devlink_regions_port(struct dsa_switch *ds, int port); +void mv88e6xxx_teardown_devlink_regions_port(struct dsa_switch *ds, int port); int mv88e6xxx_devlink_info_get(struct dsa_switch *ds, struct devlink_info_req *req, diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c index 815b0f681d69..5848112036b0 100644 --- a/drivers/net/dsa/mv88e6xxx/global1.c +++ b/drivers/net/dsa/mv88e6xxx/global1.c @@ -232,6 +232,8 @@ int mv88e6185_g1_set_max_frame_size(struct mv88e6xxx_chip *chip, int mtu) u16 val; int err; + mtu += ETH_HLEN + ETH_FCS_LEN; + err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL1, &val); if (err) return err; diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index f77e2ee64a60..451028c57af8 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -1277,6 +1277,8 @@ int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port, u16 reg; int err; + size += VLAN_ETH_HLEN + ETH_FCS_LEN; + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®); if (err) return err; diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 3656e67af789..a3a9636430d6 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2019-2021 NXP Semiconductors +/* Copyright 2019-2021 NXP * * This is an umbrella module for all network switches that are * register-compatible with Ocelot and that perform I/O to their host CPU diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h index 5854bab43327..54024b6f9498 100644 --- a/drivers/net/dsa/ocelot/felix.h +++ b/drivers/net/dsa/ocelot/felix.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright 2019 NXP Semiconductors +/* Copyright 2019 NXP */ #ifndef _MSCC_FELIX_H #define _MSCC_FELIX_H diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index f966a253d1c7..11b42fd812e4 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: (GPL-2.0 OR MIT) /* Copyright 2017 Microsemi Corporation - * Copyright 2018-2019 NXP Semiconductors + * Copyright 2018-2019 NXP */ #include <linux/fsl/enetc_mdio.h> #include <soc/mscc/ocelot_qsys.h> @@ -1472,9 +1472,10 @@ err_pci_enable: static void felix_pci_remove(struct pci_dev *pdev) { - struct felix *felix; + struct felix *felix = pci_get_drvdata(pdev); - felix = pci_get_drvdata(pdev); + if (!felix) + return; dsa_unregister_switch(felix->ds); @@ -1482,6 +1483,20 @@ static void felix_pci_remove(struct pci_dev *pdev) kfree(felix); pci_disable_device(pdev); + + pci_set_drvdata(pdev, NULL); +} + +static void felix_pci_shutdown(struct pci_dev *pdev) +{ + struct felix *felix = pci_get_drvdata(pdev); + + if (!felix) + return; + + dsa_switch_shutdown(felix->ds); + + pci_set_drvdata(pdev, NULL); } static struct pci_device_id felix_ids[] = { @@ -1498,6 +1513,7 @@ static struct pci_driver felix_vsc9959_pci_driver = { .id_table = felix_ids, .probe = felix_pci_probe, .remove = felix_pci_remove, + .shutdown = felix_pci_shutdown, }; module_pci_driver(felix_vsc9959_pci_driver); diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c index deae923c8b7a..de1d34a1f1e4 100644 --- a/drivers/net/dsa/ocelot/seville_vsc9953.c +++ b/drivers/net/dsa/ocelot/seville_vsc9953.c @@ -1245,18 +1245,33 @@ err_alloc_felix: static int seville_remove(struct platform_device *pdev) { - struct felix *felix; + struct felix *felix = platform_get_drvdata(pdev); - felix = platform_get_drvdata(pdev); + if (!felix) + return 0; dsa_unregister_switch(felix->ds); kfree(felix->ds); kfree(felix); + platform_set_drvdata(pdev, NULL); + return 0; } +static void seville_shutdown(struct platform_device *pdev) +{ + struct felix *felix = platform_get_drvdata(pdev); + + if (!felix) + return; + + dsa_switch_shutdown(felix->ds); + + platform_set_drvdata(pdev, NULL); +} + static const struct of_device_id seville_of_match[] = { { .compatible = "mscc,vsc9953-switch" }, { }, @@ -1266,6 +1281,7 @@ MODULE_DEVICE_TABLE(of, seville_of_match); static struct platform_driver seville_vsc9953_driver = { .probe = seville_probe, .remove = seville_remove, + .shutdown = seville_shutdown, .driver = { .name = "mscc_seville", .of_match_table = of_match_ptr(seville_of_match), diff --git a/drivers/net/dsa/qca/ar9331.c b/drivers/net/dsa/qca/ar9331.c index 563d8a279030..a6bfb6abc51a 100644 --- a/drivers/net/dsa/qca/ar9331.c +++ b/drivers/net/dsa/qca/ar9331.c @@ -1083,6 +1083,9 @@ static void ar9331_sw_remove(struct mdio_device *mdiodev) struct ar9331_sw_priv *priv = dev_get_drvdata(&mdiodev->dev); unsigned int i; + if (!priv) + return; + for (i = 0; i < ARRAY_SIZE(priv->port); i++) { struct ar9331_sw_port *port = &priv->port[i]; @@ -1094,6 +1097,20 @@ static void ar9331_sw_remove(struct mdio_device *mdiodev) dsa_unregister_switch(&priv->ds); reset_control_assert(priv->sw_reset); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void ar9331_sw_shutdown(struct mdio_device *mdiodev) +{ + struct ar9331_sw_priv *priv = dev_get_drvdata(&mdiodev->dev); + + if (!priv) + return; + + dsa_switch_shutdown(&priv->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id ar9331_sw_of_match[] = { @@ -1104,6 +1121,7 @@ static const struct of_device_id ar9331_sw_of_match[] = { static struct mdio_driver ar9331_sw_mdio_driver = { .probe = ar9331_sw_probe, .remove = ar9331_sw_remove, + .shutdown = ar9331_sw_shutdown, .mdiodrv.driver = { .name = AR9331_SW_NAME, .of_match_table = ar9331_sw_of_match, diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index 1f63f50f73f1..a984f06f6f04 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -643,10 +643,8 @@ qca8k_mdio_busy_wait(struct mii_bus *bus, u32 reg, u32 mask) } static int -qca8k_mdio_write(struct mii_bus *salve_bus, int phy, int regnum, u16 data) +qca8k_mdio_write(struct mii_bus *bus, int phy, int regnum, u16 data) { - struct qca8k_priv *priv = salve_bus->priv; - struct mii_bus *bus = priv->bus; u16 r1, r2, page; u32 val; int ret; @@ -682,10 +680,8 @@ exit: } static int -qca8k_mdio_read(struct mii_bus *salve_bus, int phy, int regnum) +qca8k_mdio_read(struct mii_bus *bus, int phy, int regnum) { - struct qca8k_priv *priv = salve_bus->priv; - struct mii_bus *bus = priv->bus; u16 r1, r2, page; u32 val; int ret; @@ -727,6 +723,24 @@ exit: } static int +qca8k_internal_mdio_write(struct mii_bus *slave_bus, int phy, int regnum, u16 data) +{ + struct qca8k_priv *priv = slave_bus->priv; + struct mii_bus *bus = priv->bus; + + return qca8k_mdio_write(bus, phy, regnum, data); +} + +static int +qca8k_internal_mdio_read(struct mii_bus *slave_bus, int phy, int regnum) +{ + struct qca8k_priv *priv = slave_bus->priv; + struct mii_bus *bus = priv->bus; + + return qca8k_mdio_read(bus, phy, regnum); +} + +static int qca8k_phy_write(struct dsa_switch *ds, int port, int regnum, u16 data) { struct qca8k_priv *priv = ds->priv; @@ -775,8 +789,8 @@ qca8k_mdio_register(struct qca8k_priv *priv, struct device_node *mdio) bus->priv = (void *)priv; bus->name = "qca8k slave mii"; - bus->read = qca8k_mdio_read; - bus->write = qca8k_mdio_write; + bus->read = qca8k_internal_mdio_read; + bus->write = qca8k_internal_mdio_write; snprintf(bus->id, MII_BUS_ID_SIZE, "qca8k-%d", ds->index); @@ -1866,10 +1880,27 @@ qca8k_sw_remove(struct mdio_device *mdiodev) struct qca8k_priv *priv = dev_get_drvdata(&mdiodev->dev); int i; + if (!priv) + return; + for (i = 0; i < QCA8K_NUM_PORTS; i++) qca8k_port_set_status(priv, i, 0); dsa_unregister_switch(priv->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void qca8k_sw_shutdown(struct mdio_device *mdiodev) +{ + struct qca8k_priv *priv = dev_get_drvdata(&mdiodev->dev); + + if (!priv) + return; + + dsa_switch_shutdown(priv->ds); + + dev_set_drvdata(&mdiodev->dev, NULL); } #ifdef CONFIG_PM_SLEEP @@ -1926,6 +1957,7 @@ static const struct of_device_id qca8k_of_match[] = { static struct mdio_driver qca8kmdio_driver = { .probe = qca8k_sw_probe, .remove = qca8k_sw_remove, + .shutdown = qca8k_sw_shutdown, .mdiodrv.driver = { .name = "qca8k", .of_match_table = qca8k_of_match, diff --git a/drivers/net/dsa/realtek-smi-core.c b/drivers/net/dsa/realtek-smi-core.c index 8e49d4f85d48..2fcfd917b876 100644 --- a/drivers/net/dsa/realtek-smi-core.c +++ b/drivers/net/dsa/realtek-smi-core.c @@ -368,7 +368,7 @@ int realtek_smi_setup_mdio(struct realtek_smi *smi) smi->slave_mii_bus->parent = smi->dev; smi->ds->slave_mii_bus = smi->slave_mii_bus; - ret = of_mdiobus_register(smi->slave_mii_bus, mdio_np); + ret = devm_of_mdiobus_register(smi->dev, smi->slave_mii_bus, mdio_np); if (ret) { dev_err(smi->dev, "unable to register MDIO bus %s\n", smi->slave_mii_bus->id); @@ -464,16 +464,33 @@ static int realtek_smi_probe(struct platform_device *pdev) static int realtek_smi_remove(struct platform_device *pdev) { - struct realtek_smi *smi = dev_get_drvdata(&pdev->dev); + struct realtek_smi *smi = platform_get_drvdata(pdev); + + if (!smi) + return 0; dsa_unregister_switch(smi->ds); if (smi->slave_mii_bus) of_node_put(smi->slave_mii_bus->dev.of_node); gpiod_set_value(smi->reset, 1); + platform_set_drvdata(pdev, NULL); + return 0; } +static void realtek_smi_shutdown(struct platform_device *pdev) +{ + struct realtek_smi *smi = platform_get_drvdata(pdev); + + if (!smi) + return; + + dsa_switch_shutdown(smi->ds); + + platform_set_drvdata(pdev, NULL); +} + static const struct of_device_id realtek_smi_of_match[] = { { .compatible = "realtek,rtl8366rb", @@ -495,6 +512,7 @@ static struct platform_driver realtek_smi_driver = { }, .probe = realtek_smi_probe, .remove = realtek_smi_remove, + .shutdown = realtek_smi_shutdown, }; module_platform_driver(realtek_smi_driver); diff --git a/drivers/net/dsa/sja1105/sja1105_clocking.c b/drivers/net/dsa/sja1105/sja1105_clocking.c index 387a1f2f161c..5bbf1707f2af 100644 --- a/drivers/net/dsa/sja1105/sja1105_clocking.c +++ b/drivers/net/dsa/sja1105/sja1105_clocking.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: BSD-3-Clause -/* Copyright (c) 2016-2018, NXP Semiconductors +/* Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #include <linux/packing.h> diff --git a/drivers/net/dsa/sja1105/sja1105_devlink.c b/drivers/net/dsa/sja1105/sja1105_devlink.c index 05c7f4ca3b1a..0569ff066634 100644 --- a/drivers/net/dsa/sja1105/sja1105_devlink.c +++ b/drivers/net/dsa/sja1105/sja1105_devlink.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> - * Copyright 2020 NXP Semiconductors + * Copyright 2020 NXP */ #include "sja1105.h" diff --git a/drivers/net/dsa/sja1105/sja1105_flower.c b/drivers/net/dsa/sja1105/sja1105_flower.c index 6c10ffa968ce..72b9b39b0989 100644 --- a/drivers/net/dsa/sja1105/sja1105_flower.c +++ b/drivers/net/dsa/sja1105/sja1105_flower.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2020, NXP Semiconductors +/* Copyright 2020 NXP */ #include "sja1105.h" #include "sja1105_vl.h" diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 2f8cc6686c38..7c0db80eff00 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -3335,13 +3335,29 @@ static int sja1105_probe(struct spi_device *spi) static int sja1105_remove(struct spi_device *spi) { struct sja1105_private *priv = spi_get_drvdata(spi); - struct dsa_switch *ds = priv->ds; - dsa_unregister_switch(ds); + if (!priv) + return 0; + + dsa_unregister_switch(priv->ds); + + spi_set_drvdata(spi, NULL); return 0; } +static void sja1105_shutdown(struct spi_device *spi) +{ + struct sja1105_private *priv = spi_get_drvdata(spi); + + if (!priv) + return; + + dsa_switch_shutdown(priv->ds); + + spi_set_drvdata(spi, NULL); +} + static const struct of_device_id sja1105_dt_ids[] = { { .compatible = "nxp,sja1105e", .data = &sja1105e_info }, { .compatible = "nxp,sja1105t", .data = &sja1105t_info }, @@ -3365,6 +3381,7 @@ static struct spi_driver sja1105_driver = { }, .probe = sja1105_probe, .remove = sja1105_remove, + .shutdown = sja1105_shutdown, }; module_spi_driver(sja1105_driver); diff --git a/drivers/net/dsa/sja1105/sja1105_mdio.c b/drivers/net/dsa/sja1105/sja1105_mdio.c index 705d3900e43a..215dd17ca790 100644 --- a/drivers/net/dsa/sja1105/sja1105_mdio.c +++ b/drivers/net/dsa/sja1105/sja1105_mdio.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2021, NXP Semiconductors +/* Copyright 2021 NXP */ #include <linux/pcs/pcs-xpcs.h> #include <linux/of_mdio.h> diff --git a/drivers/net/dsa/sja1105/sja1105_spi.c b/drivers/net/dsa/sja1105/sja1105_spi.c index d60a530d0272..d3c9ad6d39d4 100644 --- a/drivers/net/dsa/sja1105/sja1105_spi.c +++ b/drivers/net/dsa/sja1105/sja1105_spi.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: BSD-3-Clause -/* Copyright (c) 2016-2018, NXP Semiconductors +/* Copyright 2016-2018 NXP * Copyright (c) 2018, Sensor-Technik Wiedemann GmbH * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c index 7a422ef4deb6..baba204ad62f 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.c +++ b/drivers/net/dsa/sja1105/sja1105_static_config.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: BSD-3-Clause -/* Copyright (c) 2016-2018, NXP Semiconductors +/* Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #include "sja1105_static_config.h" diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h index bce0f5c03d0b..6a372d5f22ae 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.h +++ b/drivers/net/dsa/sja1105/sja1105_static_config.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause */ -/* Copyright (c) 2016-2018, NXP Semiconductors +/* Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _SJA1105_STATIC_CONFIG_H diff --git a/drivers/net/dsa/sja1105/sja1105_vl.c b/drivers/net/dsa/sja1105/sja1105_vl.c index ec7b65daec20..6802f4057cc0 100644 --- a/drivers/net/dsa/sja1105/sja1105_vl.c +++ b/drivers/net/dsa/sja1105/sja1105_vl.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2020, NXP Semiconductors +/* Copyright 2020 NXP */ #include <net/tc_act/tc_gate.h> #include <linux/dsa/8021q.h> diff --git a/drivers/net/dsa/sja1105/sja1105_vl.h b/drivers/net/dsa/sja1105/sja1105_vl.h index 173d78963fed..51fba0dce91a 100644 --- a/drivers/net/dsa/sja1105/sja1105_vl.h +++ b/drivers/net/dsa/sja1105/sja1105_vl.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright 2020, NXP Semiconductors +/* Copyright 2020 NXP */ #ifndef _SJA1105_VL_H #define _SJA1105_VL_H diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 19ce4aa0973b..a4b1447ff055 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -1225,6 +1225,12 @@ int vsc73xx_remove(struct vsc73xx *vsc) } EXPORT_SYMBOL(vsc73xx_remove); +void vsc73xx_shutdown(struct vsc73xx *vsc) +{ + dsa_switch_shutdown(vsc->ds); +} +EXPORT_SYMBOL(vsc73xx_shutdown); + MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>"); MODULE_DESCRIPTION("Vitesse VSC7385/7388/7395/7398 driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/vitesse-vsc73xx-platform.c b/drivers/net/dsa/vitesse-vsc73xx-platform.c index 2a57f337b2a2..fe4b154a0a57 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-platform.c +++ b/drivers/net/dsa/vitesse-vsc73xx-platform.c @@ -116,7 +116,26 @@ static int vsc73xx_platform_remove(struct platform_device *pdev) { struct vsc73xx_platform *vsc_platform = platform_get_drvdata(pdev); - return vsc73xx_remove(&vsc_platform->vsc); + if (!vsc_platform) + return 0; + + vsc73xx_remove(&vsc_platform->vsc); + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static void vsc73xx_platform_shutdown(struct platform_device *pdev) +{ + struct vsc73xx_platform *vsc_platform = platform_get_drvdata(pdev); + + if (!vsc_platform) + return; + + vsc73xx_shutdown(&vsc_platform->vsc); + + platform_set_drvdata(pdev, NULL); } static const struct vsc73xx_ops vsc73xx_platform_ops = { @@ -144,6 +163,7 @@ MODULE_DEVICE_TABLE(of, vsc73xx_of_match); static struct platform_driver vsc73xx_platform_driver = { .probe = vsc73xx_platform_probe, .remove = vsc73xx_platform_remove, + .shutdown = vsc73xx_platform_shutdown, .driver = { .name = "vsc73xx-platform", .of_match_table = vsc73xx_of_match, diff --git a/drivers/net/dsa/vitesse-vsc73xx-spi.c b/drivers/net/dsa/vitesse-vsc73xx-spi.c index 81eca4a5781d..645398901e05 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-spi.c +++ b/drivers/net/dsa/vitesse-vsc73xx-spi.c @@ -163,7 +163,26 @@ static int vsc73xx_spi_remove(struct spi_device *spi) { struct vsc73xx_spi *vsc_spi = spi_get_drvdata(spi); - return vsc73xx_remove(&vsc_spi->vsc); + if (!vsc_spi) + return 0; + + vsc73xx_remove(&vsc_spi->vsc); + + spi_set_drvdata(spi, NULL); + + return 0; +} + +static void vsc73xx_spi_shutdown(struct spi_device *spi) +{ + struct vsc73xx_spi *vsc_spi = spi_get_drvdata(spi); + + if (!vsc_spi) + return; + + vsc73xx_shutdown(&vsc_spi->vsc); + + spi_set_drvdata(spi, NULL); } static const struct vsc73xx_ops vsc73xx_spi_ops = { @@ -191,6 +210,7 @@ MODULE_DEVICE_TABLE(of, vsc73xx_of_match); static struct spi_driver vsc73xx_spi_driver = { .probe = vsc73xx_spi_probe, .remove = vsc73xx_spi_remove, + .shutdown = vsc73xx_spi_shutdown, .driver = { .name = "vsc73xx-spi", .of_match_table = vsc73xx_of_match, diff --git a/drivers/net/dsa/vitesse-vsc73xx.h b/drivers/net/dsa/vitesse-vsc73xx.h index 7478f8d4e0a9..30b951504e65 100644 --- a/drivers/net/dsa/vitesse-vsc73xx.h +++ b/drivers/net/dsa/vitesse-vsc73xx.h @@ -27,3 +27,4 @@ struct vsc73xx_ops { int vsc73xx_is_addr_valid(u8 block, u8 subblock); int vsc73xx_probe(struct vsc73xx *vsc); int vsc73xx_remove(struct vsc73xx *vsc); +void vsc73xx_shutdown(struct vsc73xx *vsc); diff --git a/drivers/net/dsa/xrs700x/xrs700x.c b/drivers/net/dsa/xrs700x/xrs700x.c index 130abb0f1438..469420941054 100644 --- a/drivers/net/dsa/xrs700x/xrs700x.c +++ b/drivers/net/dsa/xrs700x/xrs700x.c @@ -822,6 +822,12 @@ void xrs700x_switch_remove(struct xrs700x *priv) } EXPORT_SYMBOL(xrs700x_switch_remove); +void xrs700x_switch_shutdown(struct xrs700x *priv) +{ + dsa_switch_shutdown(priv->ds); +} +EXPORT_SYMBOL(xrs700x_switch_shutdown); + MODULE_AUTHOR("George McCollister <george.mccollister@gmail.com>"); MODULE_DESCRIPTION("Arrow SpeedChips XRS700x DSA driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/dsa/xrs700x/xrs700x.h b/drivers/net/dsa/xrs700x/xrs700x.h index ff62cf61b091..4d58257471d2 100644 --- a/drivers/net/dsa/xrs700x/xrs700x.h +++ b/drivers/net/dsa/xrs700x/xrs700x.h @@ -40,3 +40,4 @@ struct xrs700x { struct xrs700x *xrs700x_switch_alloc(struct device *base, void *devpriv); int xrs700x_switch_register(struct xrs700x *priv); void xrs700x_switch_remove(struct xrs700x *priv); +void xrs700x_switch_shutdown(struct xrs700x *priv); diff --git a/drivers/net/dsa/xrs700x/xrs700x_i2c.c b/drivers/net/dsa/xrs700x/xrs700x_i2c.c index 489d9385b4f0..6deae388a0d6 100644 --- a/drivers/net/dsa/xrs700x/xrs700x_i2c.c +++ b/drivers/net/dsa/xrs700x/xrs700x_i2c.c @@ -109,11 +109,28 @@ static int xrs700x_i2c_remove(struct i2c_client *i2c) { struct xrs700x *priv = i2c_get_clientdata(i2c); + if (!priv) + return 0; + xrs700x_switch_remove(priv); + i2c_set_clientdata(i2c, NULL); + return 0; } +static void xrs700x_i2c_shutdown(struct i2c_client *i2c) +{ + struct xrs700x *priv = i2c_get_clientdata(i2c); + + if (!priv) + return; + + xrs700x_switch_shutdown(priv); + + i2c_set_clientdata(i2c, NULL); +} + static const struct i2c_device_id xrs700x_i2c_id[] = { { "xrs700x-switch", 0 }, {}, @@ -137,6 +154,7 @@ static struct i2c_driver xrs700x_i2c_driver = { }, .probe = xrs700x_i2c_probe, .remove = xrs700x_i2c_remove, + .shutdown = xrs700x_i2c_shutdown, .id_table = xrs700x_i2c_id, }; diff --git a/drivers/net/dsa/xrs700x/xrs700x_mdio.c b/drivers/net/dsa/xrs700x/xrs700x_mdio.c index 44f58bee04a4..d01cf1073d49 100644 --- a/drivers/net/dsa/xrs700x/xrs700x_mdio.c +++ b/drivers/net/dsa/xrs700x/xrs700x_mdio.c @@ -136,7 +136,24 @@ static void xrs700x_mdio_remove(struct mdio_device *mdiodev) { struct xrs700x *priv = dev_get_drvdata(&mdiodev->dev); + if (!priv) + return; + xrs700x_switch_remove(priv); + + dev_set_drvdata(&mdiodev->dev, NULL); +} + +static void xrs700x_mdio_shutdown(struct mdio_device *mdiodev) +{ + struct xrs700x *priv = dev_get_drvdata(&mdiodev->dev); + + if (!priv) + return; + + xrs700x_switch_shutdown(priv); + + dev_set_drvdata(&mdiodev->dev, NULL); } static const struct of_device_id __maybe_unused xrs700x_mdio_dt_ids[] = { @@ -155,6 +172,7 @@ static struct mdio_driver xrs700x_mdio_driver = { }, .probe = xrs700x_mdio_probe, .remove = xrs700x_mdio_remove, + .shutdown = xrs700x_mdio_shutdown, }; mdio_module_driver(xrs700x_mdio_driver); diff --git a/drivers/net/ethernet/3com/3c515.c b/drivers/net/ethernet/3com/3c515.c index 8d90fed5d33e..6f0ea2facea9 100644 --- a/drivers/net/ethernet/3com/3c515.c +++ b/drivers/net/ethernet/3com/3c515.c @@ -1050,7 +1050,7 @@ static netdev_tx_t corkscrew_start_xmit(struct sk_buff *skb, #ifdef VORTEX_BUS_MASTER if (vp->bus_master) { /* Set the bus-master controller to transfer the packet. */ - outl((int) (skb->data), ioaddr + Wn7_MasterAddr); + outl(isa_virt_to_bus(skb->data), ioaddr + Wn7_MasterAddr); outw((skb->len + 3) & ~3, ioaddr + Wn7_MasterLen); vp->tx_skb = skb; outw(StartDMADown, ioaddr + EL3_CMD); diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c index 53660bc8d6ff..9afc712f5948 100644 --- a/drivers/net/ethernet/8390/ne.c +++ b/drivers/net/ethernet/8390/ne.c @@ -922,13 +922,16 @@ static void __init ne_add_devices(void) } } -#ifdef MODULE static int __init ne_init(void) { int retval; - ne_add_devices(); + + if (IS_MODULE(CONFIG_NE2000)) + ne_add_devices(); + retval = platform_driver_probe(&ne_driver, ne_drv_probe); - if (retval) { + + if (IS_MODULE(CONFIG_NE2000) && retval) { if (io[0] == 0) pr_notice("ne.c: You must supply \"io=0xNNN\"" " value(s) for ISA cards.\n"); @@ -941,18 +944,8 @@ static int __init ne_init(void) return retval; } module_init(ne_init); -#else /* MODULE */ -static int __init ne_init(void) -{ - int retval = platform_driver_probe(&ne_driver, ne_drv_probe); - - /* Unregister unused platform_devices. */ - ne_loop_rm_unreg(0); - return retval; -} -module_init(ne_init); -#ifdef CONFIG_NETDEV_LEGACY_INIT +#if !defined(MODULE) && defined(CONFIG_NETDEV_LEGACY_INIT) struct net_device * __init ne_probe(int unit) { int this_dev; @@ -994,7 +987,6 @@ struct net_device * __init ne_probe(int unit) return ERR_PTR(-ENODEV); } #endif -#endif /* MODULE */ static void __exit ne_exit(void) { diff --git a/drivers/net/ethernet/amd/ni65.c b/drivers/net/ethernet/amd/ni65.c index b5df7ad5a83f..032e8922b482 100644 --- a/drivers/net/ethernet/amd/ni65.c +++ b/drivers/net/ethernet/amd/ni65.c @@ -748,7 +748,7 @@ static void ni65_stop_start(struct net_device *dev,struct priv *p) #ifdef XMT_VIA_SKB skb_save[i] = p->tmd_skb[i]; #endif - buffer[i] = (u32) isa_bus_to_virt(tmdp->u.buffer); + buffer[i] = (unsigned long)isa_bus_to_virt(tmdp->u.buffer); blen[i] = tmdp->blen; tmdp->u.s.status = 0x0; } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index dee9ff74d6d6..d4b1976ee69b 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -413,13 +413,13 @@ static int atl_resume_common(struct device *dev, bool deep) if (deep) { /* Reinitialize Nic/Vecs objects */ aq_nic_deinit(nic, !nic->aq_hw->aq_nic_cfg->wol); + } + if (netif_running(nic->ndev)) { ret = aq_nic_init(nic); if (ret) goto err_exit; - } - if (netif_running(nic->ndev)) { ret = aq_nic_start(nic); if (ret) goto err_exit; diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c index 85fa0ab7201c..9513cfb5ba58 100644 --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c @@ -129,6 +129,8 @@ static int bgmac_probe(struct bcma_device *core) bcma_set_drvdata(core, bgmac); err = of_get_mac_address(bgmac->dev->of_node, bgmac->net_dev->dev_addr); + if (err == -EPROBE_DEFER) + return err; /* If no MAC address assigned via device tree, check SPROM */ if (err) { diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c index 4ab5bf64d353..df8ff839cc62 100644 --- a/drivers/net/ethernet/broadcom/bgmac-platform.c +++ b/drivers/net/ethernet/broadcom/bgmac-platform.c @@ -192,6 +192,9 @@ static int bgmac_probe(struct platform_device *pdev) bgmac->dma_dev = &pdev->dev; ret = of_get_mac_address(np, bgmac->net_dev->dev_addr); + if (ret == -EPROBE_DEFER) + return ret; + if (ret) dev_warn(&pdev->dev, "MAC address not present in device tree\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index f255fd0b16db..6fbf735fca31 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1224,7 +1224,7 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, /* SR-IOV capability was enabled but there are no VFs*/ if (iov->total == 0) { - err = -EINVAL; + err = 0; goto failed; } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index ea0c45d33814..62f84cc91e4d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -391,7 +391,7 @@ static bool bnxt_txr_netif_try_stop_queue(struct bnxt *bp, * netif_tx_queue_stopped(). */ smp_mb(); - if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh) { + if (bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh) { netif_tx_wake_queue(txq); return false; } @@ -764,7 +764,7 @@ next_tx_int: smp_mb(); if (unlikely(netif_tx_queue_stopped(txq)) && - bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh && + bnxt_tx_avail(bp, txr) >= bp->tx_wake_thresh && READ_ONCE(txr->dev_state) != BNXT_DEV_STATE_CLOSING) netif_tx_wake_queue(txq); } @@ -2213,12 +2213,11 @@ static int bnxt_async_event_process(struct bnxt *bp, DIV_ROUND_UP(fw_health->polling_dsecs * HZ, bp->current_interval * 10); fw_health->tmr_counter = fw_health->tmr_multiplier; - if (!fw_health->enabled) { + if (!fw_health->enabled) fw_health->last_fw_heartbeat = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); - fw_health->last_fw_reset_cnt = - bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); - } + fw_health->last_fw_reset_cnt = + bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); netif_info(bp, drv, bp->dev, "Error recovery info: error recovery[1], master[%d], reset count[%u], health status: 0x%x\n", fw_health->master, fw_health->last_fw_reset_cnt, @@ -2417,7 +2416,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) { tx_pkts++; /* return full budget so NAPI will complete. */ - if (unlikely(tx_pkts > bp->tx_wake_thresh)) { + if (unlikely(tx_pkts >= bp->tx_wake_thresh)) { rx_pkts = budget; raw_cons = NEXT_RAW_CMP(raw_cons); if (budget) @@ -2730,6 +2729,9 @@ static void bnxt_free_tx_skbs(struct bnxt *bp) struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; int j; + if (!txr->tx_buf_ring) + continue; + for (j = 0; j < max_idx;) { struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j]; struct sk_buff *skb; @@ -2814,6 +2816,9 @@ static void bnxt_free_one_rx_ring_skbs(struct bnxt *bp, int ring_nr) } skip_rx_tpa_free: + if (!rxr->rx_buf_ring) + goto skip_rx_buf_free; + for (i = 0; i < max_idx; i++) { struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i]; dma_addr_t mapping = rx_buf->mapping; @@ -2836,6 +2841,11 @@ skip_rx_tpa_free: kfree(data); } } + +skip_rx_buf_free: + if (!rxr->rx_agg_ring) + goto skip_rx_agg_free; + for (i = 0; i < max_agg_idx; i++) { struct bnxt_sw_rx_agg_bd *rx_agg_buf = &rxr->rx_agg_ring[i]; struct page *page = rx_agg_buf->page; @@ -2852,6 +2862,8 @@ skip_rx_tpa_free: __free_page(page); } + +skip_rx_agg_free: if (rxr->rx_page) { __free_page(rxr->rx_page); rxr->rx_page = NULL; @@ -2900,6 +2912,9 @@ static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem) struct pci_dev *pdev = bp->pdev; int i; + if (!rmem->pg_arr) + goto skip_pages; + for (i = 0; i < rmem->nr_pages; i++) { if (!rmem->pg_arr[i]) continue; @@ -2909,6 +2924,7 @@ static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem) rmem->pg_arr[i] = NULL; } +skip_pages: if (rmem->pg_tbl) { size_t pg_tbl_size = rmem->nr_pages * 8; @@ -3228,10 +3244,14 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) static void bnxt_free_cp_arrays(struct bnxt_cp_ring_info *cpr) { + struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; + kfree(cpr->cp_desc_ring); cpr->cp_desc_ring = NULL; + ring->ring_mem.pg_arr = NULL; kfree(cpr->cp_desc_mapping); cpr->cp_desc_mapping = NULL; + ring->ring_mem.dma_arr = NULL; } static int bnxt_alloc_cp_arrays(struct bnxt_cp_ring_info *cpr, int n) @@ -3620,7 +3640,7 @@ static int bnxt_init_tx_rings(struct bnxt *bp) u16 i; bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2, - MAX_SKB_FRAGS + 1); + BNXT_MIN_TX_DESC_CNT); for (i = 0; i < bp->tx_nr_rings; i++) { struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; @@ -12207,6 +12227,11 @@ static void bnxt_fw_reset_task(struct work_struct *work) return; } + if ((bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) && + bp->fw_health->enabled) { + bp->fw_health->last_fw_reset_cnt = + bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); + } bp->fw_reset_state = 0; /* Make sure fw_reset_state is 0 before clearing the flag */ smp_mb__before_atomic(); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index ec046e7a2484..19fe6478e9b4 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -629,6 +629,11 @@ struct nqe_cn { #define BNXT_MAX_RX_JUM_DESC_CNT (RX_DESC_CNT * MAX_RX_AGG_PAGES - 1) #define BNXT_MAX_TX_DESC_CNT (TX_DESC_CNT * MAX_TX_PAGES - 1) +/* Minimum TX BDs for a TX packet with MAX_SKB_FRAGS + 1. We need one extra + * BD because the first TX BD is always a long BD. + */ +#define BNXT_MIN_TX_DESC_CNT (MAX_SKB_FRAGS + 2) + #define RX_RING(x) (((x) & ~(RX_DESC_CNT - 1)) >> (BNXT_PAGE_SHIFT - 4)) #define RX_IDX(x) ((x) & (RX_DESC_CNT - 1)) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index b056e3c29bbd..7260910e75fb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -798,7 +798,7 @@ static int bnxt_set_ringparam(struct net_device *dev, if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) || (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) || - (ering->tx_pending <= MAX_SKB_FRAGS)) + (ering->tx_pending < BNXT_MIN_TX_DESC_CNT)) return -EINVAL; if (netif_running(dev)) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index 46fae1acbeed..e6a4a768b10b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -1884,9 +1884,6 @@ bnxt_tc_indr_block_cb_lookup(struct bnxt *bp, struct net_device *netdev) { struct bnxt_flower_indr_block_cb_priv *cb_priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &bp->tc_indr_block_list, list) if (cb_priv->tunnel_netdev == netdev) return cb_priv; diff --git a/drivers/net/ethernet/cadence/macb_pci.c b/drivers/net/ethernet/cadence/macb_pci.c index 8b7b59908a1a..f66d22de5168 100644 --- a/drivers/net/ethernet/cadence/macb_pci.c +++ b/drivers/net/ethernet/cadence/macb_pci.c @@ -111,9 +111,9 @@ static void macb_remove(struct pci_dev *pdev) struct platform_device *plat_dev = pci_get_drvdata(pdev); struct macb_platform_data *plat_data = dev_get_platdata(&plat_dev->dev); - platform_device_unregister(plat_dev); clk_unregister(plat_data->pclk); clk_unregister(plat_data->hclk); + platform_device_unregister(plat_dev); } static const struct pci_device_id dev_id_table[] = { diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 3ca93adb9662..042327b9981f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -419,7 +419,7 @@ static void enetc_rx_dim_work(struct work_struct *w) static void enetc_rx_net_dim(struct enetc_int_vector *v) { - struct dim_sample dim_sample; + struct dim_sample dim_sample = {}; v->comp_cnt++; @@ -1879,7 +1879,6 @@ static void enetc_clear_bdrs(struct enetc_ndev_priv *priv) static int enetc_setup_irqs(struct enetc_ndev_priv *priv) { struct pci_dev *pdev = priv->si->pdev; - cpumask_t cpu_mask; int i, j, err; for (i = 0; i < priv->bdr_int_num; i++) { @@ -1908,9 +1907,7 @@ static int enetc_setup_irqs(struct enetc_ndev_priv *priv) enetc_wr(hw, ENETC_SIMSITRV(idx), entry); } - cpumask_clear(&cpu_mask); - cpumask_set_cpu(i % num_online_cpus(), &cpu_mask); - irq_set_affinity_hint(irq, &cpu_mask); + irq_set_affinity_hint(irq, get_cpu_mask(i % num_online_cpus())); } return 0; diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ierb.c b/drivers/net/ethernet/freescale/enetc/enetc_ierb.c index ee1468e3eaa3..91f02c505028 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ierb.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ierb.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) -/* Copyright 2021 NXP Semiconductors +/* Copyright 2021 NXP * * The Integrated Endpoint Register Block (IERB) is configured by pre-boot * software and is supposed to be to ENETC what a NVRAM is to a 'real' PCIe diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ierb.h b/drivers/net/ethernet/freescale/enetc/enetc_ierb.h index b3b774e0998a..c2ce47c4be9f 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ierb.h +++ b/drivers/net/ethernet/freescale/enetc/enetc_ierb.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ -/* Copyright 2021 NXP Semiconductors */ +/* Copyright 2021 NXP */ #include <linux/pci.h> #include <linux/platform_device.h> diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c index 60d94e0a07d6..4c977dfc44f0 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c @@ -541,8 +541,7 @@ static void enetc_mac_config(struct enetc_hw *hw, phy_interface_t phy_mode) if (phy_interface_mode_is_rgmii(phy_mode)) { val = enetc_port_rd(hw, ENETC_PM0_IF_MODE); - val &= ~ENETC_PM0_IFM_EN_AUTO; - val &= ENETC_PM0_IFM_IFMODE_MASK; + val &= ~(ENETC_PM0_IFM_EN_AUTO | ENETC_PM0_IFM_IFMODE_MASK); val |= ENETC_PM0_IFM_IFMODE_GMII | ENETC_PM0_IFM_RG; enetc_port_wr(hw, ENETC_PM0_IF_MODE, val); } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 80bd5c629fa0..ec87b370bba1 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -4176,5 +4176,4 @@ static struct platform_driver fec_driver = { module_platform_driver(fec_driver); -MODULE_ALIAS("platform:"DRIVER_NAME); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index 1d3188e8e3b3..92dc18a4bcc4 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -780,7 +780,7 @@ struct gve_queue_page_list *gve_assign_rx_qpl(struct gve_priv *priv) gve_num_tx_qpls(priv)); /* we are out of rx qpls */ - if (id == priv->qpl_cfg.qpl_map_size) + if (id == gve_num_tx_qpls(priv) + gve_num_rx_qpls(priv)) return NULL; set_bit(id, priv->qpl_cfg.qpl_id_map); diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index 099a2bc5ae67..bf8a4a7c43f7 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -41,6 +41,7 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s) { struct gve_priv *priv = netdev_priv(dev); unsigned int start; + u64 packets, bytes; int ring; if (priv->rx) { @@ -48,10 +49,12 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s) do { start = u64_stats_fetch_begin(&priv->rx[ring].statss); - s->rx_packets += priv->rx[ring].rpackets; - s->rx_bytes += priv->rx[ring].rbytes; + packets = priv->rx[ring].rpackets; + bytes = priv->rx[ring].rbytes; } while (u64_stats_fetch_retry(&priv->rx[ring].statss, start)); + s->rx_packets += packets; + s->rx_bytes += bytes; } } if (priv->tx) { @@ -59,10 +62,12 @@ static void gve_get_stats(struct net_device *dev, struct rtnl_link_stats64 *s) do { start = u64_stats_fetch_begin(&priv->tx[ring].statss); - s->tx_packets += priv->tx[ring].pkt_done; - s->tx_bytes += priv->tx[ring].bytes_done; + packets = priv->tx[ring].pkt_done; + bytes = priv->tx[ring].bytes_done; } while (u64_stats_fetch_retry(&priv->tx[ring].statss, start)); + s->tx_packets += packets; + s->tx_bytes += bytes; } } } @@ -82,6 +87,9 @@ static int gve_alloc_counter_array(struct gve_priv *priv) static void gve_free_counter_array(struct gve_priv *priv) { + if (!priv->counter_array) + return; + dma_free_coherent(&priv->pdev->dev, priv->num_event_counters * sizeof(*priv->counter_array), @@ -142,6 +150,9 @@ static int gve_alloc_stats_report(struct gve_priv *priv) static void gve_free_stats_report(struct gve_priv *priv) { + if (!priv->stats_report) + return; + del_timer_sync(&priv->stats_report_timer); dma_free_coherent(&priv->pdev->dev, priv->stats_report_len, priv->stats_report, priv->stats_report_bus); @@ -370,18 +381,19 @@ static void gve_free_notify_blocks(struct gve_priv *priv) { int i; - if (priv->msix_vectors) { - /* Free the irqs */ - for (i = 0; i < priv->num_ntfy_blks; i++) { - struct gve_notify_block *block = &priv->ntfy_blocks[i]; - int msix_idx = i; + if (!priv->msix_vectors) + return; - irq_set_affinity_hint(priv->msix_vectors[msix_idx].vector, - NULL); - free_irq(priv->msix_vectors[msix_idx].vector, block); - } - free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); + /* Free the irqs */ + for (i = 0; i < priv->num_ntfy_blks; i++) { + struct gve_notify_block *block = &priv->ntfy_blocks[i]; + int msix_idx = i; + + irq_set_affinity_hint(priv->msix_vectors[msix_idx].vector, + NULL); + free_irq(priv->msix_vectors[msix_idx].vector, block); } + free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); dma_free_coherent(&priv->pdev->dev, priv->num_ntfy_blks * sizeof(*priv->ntfy_blocks), priv->ntfy_blocks, priv->ntfy_block_bus); @@ -1185,9 +1197,10 @@ static void gve_handle_reset(struct gve_priv *priv) void gve_handle_report_stats(struct gve_priv *priv) { - int idx, stats_idx = 0, tx_bytes; - unsigned int start = 0; struct stats *stats = priv->stats_report->stats; + int idx, stats_idx = 0; + unsigned int start = 0; + u64 tx_bytes; if (!gve_get_report_stats(priv)) return; diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index bb8261368250..94941d4e4744 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -104,8 +104,14 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx) if (!rx->data.page_info) return -ENOMEM; - if (!rx->data.raw_addressing) + if (!rx->data.raw_addressing) { rx->data.qpl = gve_assign_rx_qpl(priv); + if (!rx->data.qpl) { + kvfree(rx->data.page_info); + rx->data.page_info = NULL; + return -ENOMEM; + } + } for (i = 0; i < slots; i++) { if (!rx->data.raw_addressing) { struct page *page = rx->data.qpl->pages[i]; diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 546a60530384..8ba21d6dc220 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -752,7 +752,6 @@ struct hnae3_tc_info { u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */ u16 tqp_count[HNAE3_MAX_TC]; u16 tqp_offset[HNAE3_MAX_TC]; - unsigned long tc_en; /* bitmap of TC enabled */ u8 num_tc; /* Total number of enabled TCs */ bool mqprio_active; }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 22af3d6ce178..468b8f07bf47 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -61,6 +61,9 @@ static unsigned int tx_sgl = 1; module_param(tx_sgl, uint, 0600); MODULE_PARM_DESC(tx_sgl, "Minimum number of frags when using dma_map_sg() to optimize the IOMMU mapping"); +static bool page_pool_enabled = true; +module_param(page_pool_enabled, bool, 0400); + #define HNS3_SGL_SIZE(nfrag) (sizeof(struct scatterlist) * (nfrag) + \ sizeof(struct sg_table)) #define HNS3_MAX_SGL_SIZE ALIGN(HNS3_SGL_SIZE(HNS3_MAX_TSO_BD_NUM), \ @@ -73,6 +76,7 @@ MODULE_PARM_DESC(tx_sgl, "Minimum number of frags when using dma_map_sg() to opt #define HNS3_OUTER_VLAN_TAG 2 #define HNS3_MIN_TX_LEN 33U +#define HNS3_MIN_TUN_PKT_LEN 65U /* hns3_pci_tbl - PCI Device ID Table * @@ -619,13 +623,9 @@ static int hns3_nic_set_real_num_queue(struct net_device *netdev) return ret; } - for (i = 0; i < HNAE3_MAX_TC; i++) { - if (!test_bit(i, &tc_info->tc_en)) - continue; - + for (i = 0; i < tc_info->num_tc; i++) netdev_set_tc_queue(netdev, i, tc_info->tqp_count[i], tc_info->tqp_offset[i]); - } } ret = netif_set_real_num_tx_queues(netdev, queue_size); @@ -775,6 +775,11 @@ static int hns3_nic_net_open(struct net_device *netdev) if (hns3_nic_resetting(netdev)) return -EBUSY; + if (!test_bit(HNS3_NIC_STATE_DOWN, &priv->state)) { + netdev_warn(netdev, "net open repeatedly!\n"); + return 0; + } + netif_carrier_off(netdev); ret = hns3_nic_set_real_num_queue(netdev); @@ -1424,8 +1429,11 @@ static int hns3_set_l2l3l4(struct sk_buff *skb, u8 ol4_proto, l4.tcp->doff); break; case IPPROTO_UDP: - if (hns3_tunnel_csum_bug(skb)) - return skb_checksum_help(skb); + if (hns3_tunnel_csum_bug(skb)) { + int ret = skb_put_padto(skb, HNS3_MIN_TUN_PKT_LEN); + + return ret ? ret : skb_checksum_help(skb); + } hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4CS_B, 1); hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4T_S, @@ -4753,7 +4761,8 @@ static int hns3_alloc_ring_memory(struct hns3_enet_ring *ring) goto out_with_desc_cb; if (!HNAE3_IS_TX_RING(ring)) { - hns3_alloc_page_pool(ring); + if (page_pool_enabled) + hns3_alloc_page_pool(ring); ret = hns3_alloc_ring_buffers(ring); if (ret) @@ -4857,12 +4866,9 @@ static void hns3_init_tx_ring_tc(struct hns3_nic_priv *priv) struct hnae3_tc_info *tc_info = &kinfo->tc_info; int i; - for (i = 0; i < HNAE3_MAX_TC; i++) { + for (i = 0; i < tc_info->num_tc; i++) { int j; - if (!test_bit(i, &tc_info->tc_en)) - continue; - for (j = 0; j < tc_info->tqp_count[i]; j++) { struct hnae3_queue *q; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c index 7ea511d59e91..5ebd96f6833d 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c @@ -334,7 +334,8 @@ static void hns3_selftest_prepare(struct net_device *ndev, #if IS_ENABLED(CONFIG_VLAN_8021Q) /* Disable the vlan filter for selftest does not support it */ - if (h->ae_algo->ops->enable_vlan_filter) + if (h->ae_algo->ops->enable_vlan_filter && + ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) h->ae_algo->ops->enable_vlan_filter(h, false); #endif @@ -359,7 +360,8 @@ static void hns3_selftest_restore(struct net_device *ndev, bool if_running) h->ae_algo->ops->halt_autoneg(h, false); #if IS_ENABLED(CONFIG_VLAN_8021Q) - if (h->ae_algo->ops->enable_vlan_filter) + if (h->ae_algo->ops->enable_vlan_filter && + ndev->features & NETIF_F_HW_VLAN_CTAG_FILTER) h->ae_algo->ops->enable_vlan_filter(h, true); #endif diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index ac9b69513332..9c2eeaa82294 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -467,7 +467,7 @@ err_csq: return ret; } -static int hclge_firmware_compat_config(struct hclge_dev *hdev) +static int hclge_firmware_compat_config(struct hclge_dev *hdev, bool en) { struct hclge_firmware_compat_cmd *req; struct hclge_desc desc; @@ -475,13 +475,16 @@ static int hclge_firmware_compat_config(struct hclge_dev *hdev) hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_IMP_COMPAT_CFG, false); - req = (struct hclge_firmware_compat_cmd *)desc.data; + if (en) { + req = (struct hclge_firmware_compat_cmd *)desc.data; - hnae3_set_bit(compat, HCLGE_LINK_EVENT_REPORT_EN_B, 1); - hnae3_set_bit(compat, HCLGE_NCSI_ERROR_REPORT_EN_B, 1); - if (hnae3_dev_phy_imp_supported(hdev)) - hnae3_set_bit(compat, HCLGE_PHY_IMP_EN_B, 1); - req->compat = cpu_to_le32(compat); + hnae3_set_bit(compat, HCLGE_LINK_EVENT_REPORT_EN_B, 1); + hnae3_set_bit(compat, HCLGE_NCSI_ERROR_REPORT_EN_B, 1); + if (hnae3_dev_phy_imp_supported(hdev)) + hnae3_set_bit(compat, HCLGE_PHY_IMP_EN_B, 1); + + req->compat = cpu_to_le32(compat); + } return hclge_cmd_send(&hdev->hw, &desc, 1); } @@ -538,7 +541,7 @@ int hclge_cmd_init(struct hclge_dev *hdev) /* ask the firmware to enable some features, driver can work without * it. */ - ret = hclge_firmware_compat_config(hdev); + ret = hclge_firmware_compat_config(hdev, true); if (ret) dev_warn(&hdev->pdev->dev, "Firmware compatible features not enabled(%d).\n", @@ -568,6 +571,8 @@ static void hclge_cmd_uninit_regs(struct hclge_hw *hw) void hclge_cmd_uninit(struct hclge_dev *hdev) { + hclge_firmware_compat_config(hdev, false); + set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state); /* wait to ensure that the firmware completes the possible left * over commands. diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c index 4a619e5d3f35..307c9e830510 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c @@ -247,6 +247,10 @@ static int hclge_ieee_setets(struct hnae3_handle *h, struct ieee_ets *ets) } hclge_tm_schd_info_update(hdev, num_tc); + if (num_tc > 1) + hdev->flag |= HCLGE_FLAG_DCB_ENABLE; + else + hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE; ret = hclge_ieee_ets_to_tm_info(hdev, ets); if (ret) @@ -306,8 +310,7 @@ static int hclge_ieee_setpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) u8 i, j, pfc_map, *prio_tc; int ret; - if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) || - hdev->flag & HCLGE_FLAG_MQPRIO_ENABLE) + if (!(hdev->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) return -EINVAL; if (pfc->pfc_en == hdev->tm_info.pfc_en) @@ -441,8 +444,6 @@ static int hclge_mqprio_qopt_check(struct hclge_dev *hdev, static void hclge_sync_mqprio_qopt(struct hnae3_tc_info *tc_info, struct tc_mqprio_qopt_offload *mqprio_qopt) { - int i; - memset(tc_info, 0, sizeof(*tc_info)); tc_info->num_tc = mqprio_qopt->qopt.num_tc; memcpy(tc_info->prio_tc, mqprio_qopt->qopt.prio_tc_map, @@ -451,9 +452,6 @@ static void hclge_sync_mqprio_qopt(struct hnae3_tc_info *tc_info, sizeof_field(struct hnae3_tc_info, tqp_count)); memcpy(tc_info->tqp_offset, mqprio_qopt->qopt.offset, sizeof_field(struct hnae3_tc_info, tqp_offset)); - - for (i = 0; i < HNAE3_MAX_USER_PRIO; i++) - set_bit(tc_info->prio_tc[i], &tc_info->tc_en); } static int hclge_config_tc(struct hclge_dev *hdev, @@ -519,12 +517,17 @@ static int hclge_setup_tc(struct hnae3_handle *h, return hclge_notify_init_up(hdev); err_out: - /* roll-back */ - memcpy(&kinfo->tc_info, &old_tc_info, sizeof(old_tc_info)); - if (hclge_config_tc(hdev, &kinfo->tc_info)) - dev_err(&hdev->pdev->dev, - "failed to roll back tc configuration\n"); - + if (!tc) { + dev_warn(&hdev->pdev->dev, + "failed to destroy mqprio, will active after reset, ret = %d\n", + ret); + } else { + /* roll-back */ + memcpy(&kinfo->tc_info, &old_tc_info, sizeof(old_tc_info)); + if (hclge_config_tc(hdev, &kinfo->tc_info)) + dev_err(&hdev->pdev->dev, + "failed to roll back tc configuration\n"); + } hclge_notify_init_up(hdev); return ret; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 68ed1715ac52..32f62cd2dd99 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -719,9 +719,9 @@ static void hclge_dbg_fill_shaper_content(struct hclge_tm_shaper_para *para, sprintf(result[(*index)++], "%6u", para->rate); } -static int hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *buf, int len) +static int __hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *data_str, + char *buf, int len) { - char data_str[ARRAY_SIZE(tm_pg_items)][HCLGE_DBG_DATA_STR_LEN]; struct hclge_tm_shaper_para c_shaper_para, p_shaper_para; char *result[ARRAY_SIZE(tm_pg_items)], *sch_mode_str; u8 pg_id, sch_mode, weight, pri_bit_map, i, j; @@ -729,8 +729,10 @@ static int hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *buf, int len) int pos = 0; int ret; - for (i = 0; i < ARRAY_SIZE(tm_pg_items); i++) - result[i] = &data_str[i][0]; + for (i = 0; i < ARRAY_SIZE(tm_pg_items); i++) { + result[i] = data_str; + data_str += HCLGE_DBG_DATA_STR_LEN; + } hclge_dbg_fill_content(content, sizeof(content), tm_pg_items, NULL, ARRAY_SIZE(tm_pg_items)); @@ -781,6 +783,24 @@ static int hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *buf, int len) return 0; } +static int hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *buf, int len) +{ + char *data_str; + int ret; + + data_str = kcalloc(ARRAY_SIZE(tm_pg_items), + HCLGE_DBG_DATA_STR_LEN, GFP_KERNEL); + + if (!data_str) + return -ENOMEM; + + ret = __hclge_dbg_dump_tm_pg(hdev, data_str, buf, len); + + kfree(data_str); + + return ret; +} + static int hclge_dbg_dump_tm_port(struct hclge_dev *hdev, char *buf, int len) { struct hclge_tm_shaper_para shaper_para; @@ -1724,6 +1744,10 @@ hclge_dbg_get_imp_stats_info(struct hclge_dev *hdev, char *buf, int len) } bd_num = le32_to_cpu(req->bd_num); + if (!bd_num) { + dev_err(&hdev->pdev->dev, "imp statistics bd number is 0!\n"); + return -EINVAL; + } desc_src = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL); if (!desc_src) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c index 718c16d686fa..bb9b026ae88e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c @@ -2445,12 +2445,12 @@ static void hclge_handle_over_8bd_err(struct hclge_dev *hdev, return; } - dev_err(dev, "PPU_PF_ABNORMAL_INT_ST over_8bd_no_fe found, vf_id(%u), queue_id(%u)\n", + dev_err(dev, "PPU_PF_ABNORMAL_INT_ST over_8bd_no_fe found, vport(%u), queue_id(%u)\n", vf_id, q_id); if (vf_id) { if (vf_id >= hdev->num_alloc_vport) { - dev_err(dev, "invalid vf id(%u)\n", vf_id); + dev_err(dev, "invalid vport(%u)\n", vf_id); return; } @@ -2463,8 +2463,8 @@ static void hclge_handle_over_8bd_err(struct hclge_dev *hdev, ret = hclge_inform_reset_assert_to_vf(&hdev->vport[vf_id]); if (ret) - dev_err(dev, "inform reset to vf(%u) failed %d!\n", - hdev->vport->vport_id, ret); + dev_err(dev, "inform reset to vport(%u) failed %d!\n", + vf_id, ret); } else { set_bit(HNAE3_FUNC_RESET, reset_requests); } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index e55ba2e511b1..f5b8d1fee0f1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1528,9 +1528,10 @@ static void hclge_init_kdump_kernel_config(struct hclge_dev *hdev) static int hclge_configure(struct hclge_dev *hdev) { struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev); + const struct cpumask *cpumask = cpu_online_mask; struct hclge_cfg cfg; unsigned int i; - int ret; + int node, ret; ret = hclge_get_cfg(hdev, &cfg); if (ret) @@ -1595,11 +1596,12 @@ static int hclge_configure(struct hclge_dev *hdev) hclge_init_kdump_kernel_config(hdev); - /* Set the init affinity based on pci func number */ - i = cpumask_weight(cpumask_of_node(dev_to_node(&hdev->pdev->dev))); - i = i ? PCI_FUNC(hdev->pdev->devfn) % i : 0; - cpumask_set_cpu(cpumask_local_spread(i, dev_to_node(&hdev->pdev->dev)), - &hdev->affinity_mask); + /* Set the affinity based on numa node */ + node = dev_to_node(&hdev->pdev->dev); + if (node != NUMA_NO_NODE) + cpumask = cpumask_of_node(node); + + cpumask_copy(&hdev->affinity_mask, cpumask); return ret; } @@ -3659,7 +3661,8 @@ static int hclge_set_all_vf_rst(struct hclge_dev *hdev, bool reset) if (ret) { dev_err(&hdev->pdev->dev, "set vf(%u) rst failed %d!\n", - vport->vport_id, ret); + vport->vport_id - HCLGE_VF_VPORT_START_NUM, + ret); return ret; } @@ -3674,7 +3677,8 @@ static int hclge_set_all_vf_rst(struct hclge_dev *hdev, bool reset) if (ret) dev_warn(&hdev->pdev->dev, "inform reset to vf(%u) failed %d!\n", - vport->vport_id, ret); + vport->vport_id - HCLGE_VF_VPORT_START_NUM, + ret); } return 0; @@ -4739,6 +4743,24 @@ static int hclge_get_rss(struct hnae3_handle *handle, u32 *indir, return 0; } +static int hclge_parse_rss_hfunc(struct hclge_vport *vport, const u8 hfunc, + u8 *hash_algo) +{ + switch (hfunc) { + case ETH_RSS_HASH_TOP: + *hash_algo = HCLGE_RSS_HASH_ALGO_TOEPLITZ; + return 0; + case ETH_RSS_HASH_XOR: + *hash_algo = HCLGE_RSS_HASH_ALGO_SIMPLE; + return 0; + case ETH_RSS_HASH_NO_CHANGE: + *hash_algo = vport->rss_algo; + return 0; + default: + return -EINVAL; + } +} + static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir, const u8 *key, const u8 hfunc) { @@ -4748,30 +4770,27 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir, u8 hash_algo; int ret, i; + ret = hclge_parse_rss_hfunc(vport, hfunc, &hash_algo); + if (ret) { + dev_err(&hdev->pdev->dev, "invalid hfunc type %u\n", hfunc); + return ret; + } + /* Set the RSS Hash Key if specififed by the user */ if (key) { - switch (hfunc) { - case ETH_RSS_HASH_TOP: - hash_algo = HCLGE_RSS_HASH_ALGO_TOEPLITZ; - break; - case ETH_RSS_HASH_XOR: - hash_algo = HCLGE_RSS_HASH_ALGO_SIMPLE; - break; - case ETH_RSS_HASH_NO_CHANGE: - hash_algo = vport->rss_algo; - break; - default: - return -EINVAL; - } - ret = hclge_set_rss_algo_key(hdev, hash_algo, key); if (ret) return ret; /* Update the shadow RSS key with user specified qids */ memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE); - vport->rss_algo = hash_algo; + } else { + ret = hclge_set_rss_algo_key(hdev, hash_algo, + vport->rss_hash_key); + if (ret) + return ret; } + vport->rss_algo = hash_algo; /* Update the shadow RSS table with user specified qids */ for (i = 0; i < ae_dev->dev_specs.rss_ind_tbl_size; i++) @@ -6625,10 +6644,13 @@ static int hclge_fd_parse_ring_cookie(struct hclge_dev *hdev, u64 ring_cookie, u8 vf = ethtool_get_flow_spec_ring_vf(ring_cookie); u16 tqps; + /* To keep consistent with user's configuration, minus 1 when + * printing 'vf', because vf id from ethtool is added 1 for vf. + */ if (vf > hdev->num_req_vfs) { dev_err(&hdev->pdev->dev, - "Error: vf id (%u) > max vf num (%u)\n", - vf, hdev->num_req_vfs); + "Error: vf id (%u) should be less than %u\n", + vf - 1, hdev->num_req_vfs); return -EINVAL; } @@ -8125,11 +8147,12 @@ static void hclge_ae_stop(struct hnae3_handle *handle) hclge_clear_arfs_rules(hdev); spin_unlock_bh(&hdev->fd_rule_lock); - /* If it is not PF reset, the firmware will disable the MAC, + /* If it is not PF reset or FLR, the firmware will disable the MAC, * so it only need to stop phy here. */ if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) && - hdev->reset_type != HNAE3_FUNC_RESET) { + hdev->reset_type != HNAE3_FUNC_RESET && + hdev->reset_type != HNAE3_FLR_RESET) { hclge_mac_stop_phy(hdev); hclge_update_link_status(hdev); return; @@ -8685,15 +8708,8 @@ int hclge_add_uc_addr_common(struct hclge_vport *vport, } /* check if we just hit the duplicate */ - if (!ret) { - dev_warn(&hdev->pdev->dev, "VF %u mac(%pM) exists\n", - vport->vport_id, addr); - return 0; - } - - dev_err(&hdev->pdev->dev, - "PF failed to add unicast entry(%pM) in the MAC table\n", - addr); + if (!ret) + return -EEXIST; return ret; } @@ -8845,7 +8861,13 @@ static void hclge_sync_vport_mac_list(struct hclge_vport *vport, } else { set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state); - break; + + /* If one unicast mac address is existing in hardware, + * we need to try whether other unicast mac addresses + * are new addresses that can be added. + */ + if (ret != -EEXIST) + break; } } } @@ -9794,6 +9816,9 @@ static int hclge_set_vlan_filter_hw(struct hclge_dev *hdev, __be16 proto, if (is_kill && !vlan_id) return 0; + if (vlan_id >= VLAN_N_VID) + return -EINVAL; + ret = hclge_set_vf_vlan_common(hdev, vport_id, is_kill, vlan_id); if (ret) { dev_err(&hdev->pdev->dev, @@ -10700,7 +10725,8 @@ static int hclge_reset_tqp_cmd_send(struct hclge_dev *hdev, u16 queue_id, return 0; } -static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id) +static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id, + u8 *reset_status) { struct hclge_reset_tqp_queue_cmd *req; struct hclge_desc desc; @@ -10718,7 +10744,9 @@ static int hclge_get_reset_status(struct hclge_dev *hdev, u16 queue_id) return ret; } - return hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B); + *reset_status = hnae3_get_bit(req->ready_to_reset, HCLGE_TQP_RESET_B); + + return 0; } u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id) @@ -10737,7 +10765,7 @@ static int hclge_reset_tqp_cmd(struct hnae3_handle *handle) struct hclge_vport *vport = hclge_get_vport(handle); struct hclge_dev *hdev = vport->back; u16 reset_try_times = 0; - int reset_status; + u8 reset_status; u16 queue_gid; int ret; u16 i; @@ -10753,7 +10781,11 @@ static int hclge_reset_tqp_cmd(struct hnae3_handle *handle) } while (reset_try_times++ < HCLGE_TQP_RESET_TRY_TIMES) { - reset_status = hclge_get_reset_status(hdev, queue_gid); + ret = hclge_get_reset_status(hdev, queue_gid, + &reset_status); + if (ret) + return ret; + if (reset_status) break; @@ -11446,11 +11478,11 @@ static void hclge_clear_resetting_state(struct hclge_dev *hdev) struct hclge_vport *vport = &hdev->vport[i]; int ret; - /* Send cmd to clear VF's FUNC_RST_ING */ + /* Send cmd to clear vport's FUNC_RST_ING */ ret = hclge_set_vf_rst(hdev, vport->vport_id, false); if (ret) dev_warn(&hdev->pdev->dev, - "clear vf(%u) rst failed %d!\n", + "clear vport(%u) rst failed %d!\n", vport->vport_id, ret); } } @@ -12764,8 +12796,12 @@ static void hclge_sync_promisc_mode(struct hclge_dev *hdev) continue; if (vport->vf_info.trusted) { - uc_en = vport->vf_info.request_uc_en > 0; - mc_en = vport->vf_info.request_mc_en > 0; + uc_en = vport->vf_info.request_uc_en > 0 || + vport->overflow_promisc_flags & + HNAE3_OVERFLOW_UPE; + mc_en = vport->vf_info.request_mc_en > 0 || + vport->overflow_promisc_flags & + HNAE3_OVERFLOW_MPE; } bc_en = vport->vf_info.request_bc_en > 0; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index 2ce5302c5956..65d78ee4d65a 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -566,7 +566,7 @@ static int hclge_reset_vf(struct hclge_vport *vport) struct hclge_dev *hdev = vport->back; dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %u!", - vport->vport_id); + vport->vport_id - HCLGE_VF_VPORT_START_NUM); return hclge_func_reset_cmd(hdev, vport->vport_id); } @@ -590,9 +590,17 @@ static void hclge_get_queue_id_in_pf(struct hclge_vport *vport, struct hclge_mbx_vf_to_pf_cmd *mbx_req, struct hclge_respond_to_vf_msg *resp_msg) { + struct hnae3_handle *handle = &vport->nic; + struct hclge_dev *hdev = vport->back; u16 queue_id, qid_in_pf; memcpy(&queue_id, mbx_req->msg.data, sizeof(queue_id)); + if (queue_id >= handle->kinfo.num_tqps) { + dev_err(&hdev->pdev->dev, "Invalid queue id(%u) from VF %u\n", + queue_id, mbx_req->mbx_src_vfid); + return; + } + qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id); memcpy(resp_msg->data, &qid_in_pf, sizeof(qid_in_pf)); resp_msg->len = sizeof(qid_in_pf); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index 78d5bf1ea561..f314dbd3ce11 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -581,7 +581,7 @@ int hclge_tm_qs_shaper_cfg(struct hclge_vport *vport, int max_tx_rate) ret = hclge_cmd_send(&hdev->hw, &desc, 1); if (ret) { dev_err(&hdev->pdev->dev, - "vf%u, qs%u failed to set tx_rate:%d, ret=%d\n", + "vport%u, qs%u failed to set tx_rate:%d, ret=%d\n", vport->vport_id, shap_cfg_cmd->qs_id, max_tx_rate, ret); return ret; @@ -687,12 +687,10 @@ static void hclge_tm_vport_tc_info_update(struct hclge_vport *vport) for (i = 0; i < HNAE3_MAX_TC; i++) { if (hdev->hw_tc_map & BIT(i) && i < kinfo->tc_info.num_tc) { - set_bit(i, &kinfo->tc_info.tc_en); kinfo->tc_info.tqp_offset[i] = i * kinfo->rss_size; kinfo->tc_info.tqp_count[i] = kinfo->rss_size; } else { /* Set to default queue if TC is disable */ - clear_bit(i, &kinfo->tc_info.tc_en); kinfo->tc_info.tqp_offset[i] = 0; kinfo->tc_info.tqp_count[i] = 1; } @@ -729,14 +727,6 @@ static void hclge_tm_tc_info_init(struct hclge_dev *hdev) for (i = 0; i < HNAE3_MAX_USER_PRIO; i++) hdev->tm_info.prio_tc[i] = (i >= hdev->tm_info.num_tc) ? 0 : i; - - /* DCB is enabled if we have more than 1 TC or pfc_en is - * non-zero. - */ - if (hdev->tm_info.num_tc > 1 || hdev->tm_info.pfc_en) - hdev->flag |= HCLGE_FLAG_DCB_ENABLE; - else - hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE; } static void hclge_tm_pg_info_init(struct hclge_dev *hdev) @@ -767,10 +757,10 @@ static void hclge_tm_pg_info_init(struct hclge_dev *hdev) static void hclge_update_fc_mode_by_dcb_flag(struct hclge_dev *hdev) { - if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE)) { + if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en) { if (hdev->fc_mode_last_time == HCLGE_FC_PFC) dev_warn(&hdev->pdev->dev, - "DCB is disable, but last mode is FC_PFC\n"); + "Only 1 tc used, but last mode is FC_PFC\n"); hdev->tm_info.fc_mode = hdev->fc_mode_last_time; } else if (hdev->tm_info.fc_mode != HCLGE_FC_PFC) { @@ -796,7 +786,7 @@ static void hclge_update_fc_mode(struct hclge_dev *hdev) } } -static void hclge_pfc_info_init(struct hclge_dev *hdev) +void hclge_tm_pfc_info_update(struct hclge_dev *hdev) { if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) hclge_update_fc_mode(hdev); @@ -812,7 +802,7 @@ static void hclge_tm_schd_info_init(struct hclge_dev *hdev) hclge_tm_vport_info_update(hdev); - hclge_pfc_info_init(hdev); + hclge_tm_pfc_info_update(hdev); } static int hclge_tm_pg_to_pri_map(struct hclge_dev *hdev) @@ -1558,19 +1548,6 @@ void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc) hclge_tm_schd_info_init(hdev); } -void hclge_tm_pfc_info_update(struct hclge_dev *hdev) -{ - /* DCB is enabled if we have more than 1 TC or pfc_en is - * non-zero. - */ - if (hdev->tm_info.num_tc > 1 || hdev->tm_info.pfc_en) - hdev->flag |= HCLGE_FLAG_DCB_ENABLE; - else - hdev->flag &= ~HCLGE_FLAG_DCB_ENABLE; - - hclge_pfc_info_init(hdev); -} - int hclge_tm_init_hw(struct hclge_dev *hdev, bool init) { int ret; @@ -1616,7 +1593,7 @@ int hclge_tm_vport_map_update(struct hclge_dev *hdev) if (ret) return ret; - if (!(hdev->flag & HCLGE_FLAG_DCB_ENABLE)) + if (hdev->tm_info.num_tc == 1 && !hdev->tm_info.pfc_en) return 0; return hclge_tm_bp_setup(hdev); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 82e727020120..5fdac8685f95 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -816,40 +816,56 @@ static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key, return 0; } +static int hclgevf_parse_rss_hfunc(struct hclgevf_dev *hdev, const u8 hfunc, + u8 *hash_algo) +{ + switch (hfunc) { + case ETH_RSS_HASH_TOP: + *hash_algo = HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; + return 0; + case ETH_RSS_HASH_XOR: + *hash_algo = HCLGEVF_RSS_HASH_ALGO_SIMPLE; + return 0; + case ETH_RSS_HASH_NO_CHANGE: + *hash_algo = hdev->rss_cfg.hash_algo; + return 0; + default: + return -EINVAL; + } +} + static int hclgevf_set_rss(struct hnae3_handle *handle, const u32 *indir, const u8 *key, const u8 hfunc) { struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; + u8 hash_algo; int ret, i; if (hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V2) { + ret = hclgevf_parse_rss_hfunc(hdev, hfunc, &hash_algo); + if (ret) + return ret; + /* Set the RSS Hash Key if specififed by the user */ if (key) { - switch (hfunc) { - case ETH_RSS_HASH_TOP: - rss_cfg->hash_algo = - HCLGEVF_RSS_HASH_ALGO_TOEPLITZ; - break; - case ETH_RSS_HASH_XOR: - rss_cfg->hash_algo = - HCLGEVF_RSS_HASH_ALGO_SIMPLE; - break; - case ETH_RSS_HASH_NO_CHANGE: - break; - default: - return -EINVAL; - } - - ret = hclgevf_set_rss_algo_key(hdev, rss_cfg->hash_algo, - key); - if (ret) + ret = hclgevf_set_rss_algo_key(hdev, hash_algo, key); + if (ret) { + dev_err(&hdev->pdev->dev, + "invalid hfunc type %u\n", hfunc); return ret; + } /* Update the shadow RSS key with user specified qids */ memcpy(rss_cfg->rss_hash_key, key, HCLGEVF_RSS_KEY_SIZE); + } else { + ret = hclgevf_set_rss_algo_key(hdev, hash_algo, + rss_cfg->rss_hash_key); + if (ret) + return ret; } + rss_cfg->hash_algo = hash_algo; } /* update the shadow RSS table with user specified qids */ @@ -2465,6 +2481,8 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data) hclgevf_enable_vector(&hdev->misc_vector, false); event_cause = hclgevf_check_evt_cause(hdev, &clearval); + if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) + hclgevf_clear_event_cause(hdev, clearval); switch (event_cause) { case HCLGEVF_VECTOR0_EVENT_RST: @@ -2477,10 +2495,8 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data) break; } - if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) { - hclgevf_clear_event_cause(hdev, clearval); + if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) hclgevf_enable_vector(&hdev->misc_vector, true); - } return IRQ_HANDLED; } diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index 3e54017a2a5b..07fdab58001d 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -354,7 +354,7 @@ static int hns_mdio_reset(struct mii_bus *bus) if (dev_of_node(bus->parent)) { if (!mdio_dev->subctrl_vbase) { - dev_err(&bus->dev, "mdio sys ctl reg has not maped\n"); + dev_err(&bus->dev, "mdio sys ctl reg has not mapped\n"); return -ENODEV; } diff --git a/drivers/net/ethernet/i825xx/82596.c b/drivers/net/ethernet/i825xx/82596.c index b8a40146b895..b482f6f633bd 100644 --- a/drivers/net/ethernet/i825xx/82596.c +++ b/drivers/net/ethernet/i825xx/82596.c @@ -1144,7 +1144,7 @@ static struct net_device * __init i82596_probe(void) err = -ENODEV; goto out; } - memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */ + memcpy(eth_addr, absolute_pointer(0xfffc1f2c), ETH_ALEN); /* YUCK! Get addr from NOVRAM */ dev->base_addr = MVME_I596_BASE; dev->irq = (unsigned) MVME16x_IRQ_I596; goto found; diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index a775c69e4fd7..6aa6ff89a765 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -4700,6 +4700,14 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, return 0; } + if (adapter->failover_pending) { + adapter->init_done_rc = -EAGAIN; + netdev_dbg(netdev, "Failover pending, ignoring login response\n"); + complete(&adapter->init_done); + /* login response buffer will be released on reset */ + return 0; + } + netdev->mtu = adapter->req_mtu - ETH_HLEN; netdev_dbg(adapter->netdev, "Login Response Buffer:\n"); diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig index b0b6f90deb7d..ed8ea63bb172 100644 --- a/drivers/net/ethernet/intel/Kconfig +++ b/drivers/net/ethernet/intel/Kconfig @@ -335,6 +335,7 @@ config IGC tristate "Intel(R) Ethernet Controller I225-LM/I225-V support" default n depends on PCI + depends on PTP_1588_CLOCK_OPTIONAL help This driver supports Intel(R) Ethernet Controller I225-LM/I225-V family of adapters. diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index 373eb027b925..09ae1939e6db 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -2437,11 +2437,15 @@ static void e100_get_drvinfo(struct net_device *netdev, sizeof(info->bus_info)); } -#define E100_PHY_REGS 0x1C +#define E100_PHY_REGS 0x1D static int e100_get_regs_len(struct net_device *netdev) { struct nic *nic = netdev_priv(netdev); - return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf); + + /* We know the number of registers, and the size of the dump buffer. + * Calculate the total size in bytes. + */ + return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf); } static void e100_get_regs(struct net_device *netdev, @@ -2455,14 +2459,18 @@ static void e100_get_regs(struct net_device *netdev, buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 | ioread8(&nic->csr->scb.cmd_lo) << 16 | ioread16(&nic->csr->scb.status); - for (i = E100_PHY_REGS; i >= 0; i--) - buff[1 + E100_PHY_REGS - i] = - mdio_read(netdev, nic->mii.phy_id, i); + for (i = 0; i < E100_PHY_REGS; i++) + /* Note that we read the registers in reverse order. This + * ordering is the ABI apparently used by ethtool and other + * applications. + */ + buff[1 + i] = mdio_read(netdev, nic->mii.phy_id, + E100_PHY_REGS - 1 - i); memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf)); e100_exec_cb(nic, NULL, e100_dump); msleep(10); - memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf, - sizeof(nic->mem->dump_buf)); + memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf, + sizeof(nic->mem->dump_buf)); } static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 2f20980dd9a5..e04b540cedc8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4871,7 +4871,8 @@ static void i40e_clear_interrupt_scheme(struct i40e_pf *pf) { int i; - i40e_free_misc_vector(pf); + if (test_bit(__I40E_MISC_IRQ_REQUESTED, pf->state)) + i40e_free_misc_vector(pf); i40e_put_lump(pf->irq_pile, pf->iwarp_base_vector, I40E_IWARP_IRQ_PILE_ID); @@ -10113,7 +10114,7 @@ static int i40e_get_capabilities(struct i40e_pf *pf, if (pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOMEM) { /* retry with a larger buffer */ buf_len = data_size; - } else if (pf->hw.aq.asq_last_status != I40E_AQ_RC_OK) { + } else if (pf->hw.aq.asq_last_status != I40E_AQ_RC_OK || err) { dev_info(&pf->pdev->dev, "capability discovery failed, err %s aq_err %s\n", i40e_stat_str(&pf->hw, err), diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 23762a7ef740..cada4e0e40b4 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1965,7 +1965,6 @@ static void iavf_watchdog_task(struct work_struct *work) } adapter->aq_required = 0; adapter->current_op = VIRTCHNL_OP_UNKNOWN; - mutex_unlock(&adapter->crit_lock); queue_delayed_work(iavf_wq, &adapter->watchdog_task, msecs_to_jiffies(10)); diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index eadcb9958346..3c4f08d20414 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -695,6 +695,7 @@ static inline void ice_set_rdma_cap(struct ice_pf *pf) { if (pf->hw.func_caps.common_cap.rdma && pf->num_rdma_msix) { set_bit(ICE_FLAG_RDMA_ENA, pf->flags); + set_bit(ICE_FLAG_AUX_ENA, pf->flags); ice_plug_aux_dev(pf); } } @@ -707,5 +708,6 @@ static inline void ice_clear_rdma_cap(struct ice_pf *pf) { ice_unplug_aux_dev(pf); clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); + clear_bit(ICE_FLAG_AUX_ENA, pf->flags); } #endif /* _ICE_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c index 1f2afdf6cd48..adcc9a251595 100644 --- a/drivers/net/ethernet/intel/ice/ice_idc.c +++ b/drivers/net/ethernet/intel/ice/ice_idc.c @@ -271,6 +271,12 @@ int ice_plug_aux_dev(struct ice_pf *pf) struct auxiliary_device *adev; int ret; + /* if this PF doesn't support a technology that requires auxiliary + * devices, then gracefully exit + */ + if (!ice_is_aux_ena(pf)) + return 0; + iadev = kzalloc(sizeof(*iadev), GFP_KERNEL); if (!iadev) return -ENOMEM; diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index b877efae61df..0e19b4d02e62 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6350,7 +6350,9 @@ static int igc_probe(struct pci_dev *pdev, if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - netdev->vlan_features |= netdev->features; + netdev->vlan_features |= netdev->features | NETIF_F_TSO_MANGLEID; + netdev->mpls_features |= NETIF_F_HW_CSUM; + netdev->hw_enc_features |= netdev->vlan_features; /* MTU range: 68 - 9216 */ netdev->min_mtu = ETH_MIN_MTU; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index fc26e4ddeb0d..beda8e0ef7d4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -3208,7 +3208,7 @@ static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter) max_combined = ixgbe_max_rss_indices(adapter); } - return max_combined; + return min_t(int, max_combined, num_online_cpus()); } static void ixgbe_get_channels(struct net_device *dev, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 24e06ba6f5e9..13c4782b920a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -10112,6 +10112,7 @@ static int ixgbe_xdp_setup(struct net_device *dev, struct bpf_prog *prog) struct ixgbe_adapter *adapter = netdev_priv(dev); struct bpf_prog *old_prog; bool need_reset; + int num_queues; if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) return -EINVAL; @@ -10161,11 +10162,14 @@ static int ixgbe_xdp_setup(struct net_device *dev, struct bpf_prog *prog) /* Kick start the NAPI context if there is an AF_XDP socket open * on that queue id. This so that receiving will start. */ - if (need_reset && prog) - for (i = 0; i < adapter->num_rx_queues; i++) + if (need_reset && prog) { + num_queues = min_t(int, adapter->num_rx_queues, + adapter->num_xdp_queues); + for (i = 0; i < num_queues; i++) if (adapter->xdp_ring[i]->xsk_pool) (void)ixgbe_xsk_wakeup(adapter->netdev, i, XDP_WAKEUP_RX); + } return 0; } diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c index b5f68f66d42a..7bb1f20002b5 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c @@ -186,6 +186,9 @@ mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f) int hash; int i; + if (rhashtable_lookup(ð->flow_table, &f->cookie, mtk_flow_ht_params)) + return -EEXIST; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META)) { struct flow_match_meta match; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index a2f61a87cef8..8af7f2827322 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -372,6 +372,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, int nhoff = skb_network_offset(skb); int ret = 0; + if (skb->encapsulation) + return -EPROTONOSUPPORT; + if (skb->protocol != htons(ETH_P_IP)) return -EPROTONOSUPPORT; @@ -1269,7 +1272,6 @@ static void mlx4_en_do_set_rx_mode(struct work_struct *work) if (!netif_carrier_ok(dev)) { if (!mlx4_en_QUERY_PORT(mdev, priv->port)) { if (priv->port_state.link_state) { - priv->last_link_state = MLX4_DEV_EVENT_PORT_UP; netif_carrier_on(dev); en_dbg(LINK, priv, "Link Up\n"); } @@ -1557,26 +1559,36 @@ static void mlx4_en_service_task(struct work_struct *work) mutex_unlock(&mdev->state_lock); } -static void mlx4_en_linkstate(struct work_struct *work) +static void mlx4_en_linkstate(struct mlx4_en_priv *priv) +{ + struct mlx4_en_port_state *port_state = &priv->port_state; + struct mlx4_en_dev *mdev = priv->mdev; + struct net_device *dev = priv->dev; + bool up; + + if (mlx4_en_QUERY_PORT(mdev, priv->port)) + port_state->link_state = MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN; + + up = port_state->link_state == MLX4_PORT_STATE_DEV_EVENT_PORT_UP; + if (up == netif_carrier_ok(dev)) + netif_carrier_event(dev); + if (!up) { + en_info(priv, "Link Down\n"); + netif_carrier_off(dev); + } else { + en_info(priv, "Link Up\n"); + netif_carrier_on(dev); + } +} + +static void mlx4_en_linkstate_work(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, linkstate_task); struct mlx4_en_dev *mdev = priv->mdev; - int linkstate = priv->link_state; mutex_lock(&mdev->state_lock); - /* If observable port state changed set carrier state and - * report to system log */ - if (priv->last_link_state != linkstate) { - if (linkstate == MLX4_DEV_EVENT_PORT_DOWN) { - en_info(priv, "Link Down\n"); - netif_carrier_off(priv->dev); - } else { - en_info(priv, "Link Up\n"); - netif_carrier_on(priv->dev); - } - } - priv->last_link_state = linkstate; + mlx4_en_linkstate(priv); mutex_unlock(&mdev->state_lock); } @@ -2079,9 +2091,11 @@ static int mlx4_en_open(struct net_device *dev) mlx4_en_clear_stats(dev); err = mlx4_en_start_port(dev); - if (err) + if (err) { en_err(priv, "Failed starting port:%d\n", priv->port); - + goto out; + } + mlx4_en_linkstate(priv); out: mutex_unlock(&mdev->state_lock); return err; @@ -3168,7 +3182,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, spin_lock_init(&priv->stats_lock); INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode); INIT_WORK(&priv->restart_task, mlx4_en_restart); - INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate); + INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate_work); INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats); INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task); #ifdef CONFIG_RFS_ACCEL diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index f3d1a20201ef..6bf558c5ec10 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -552,7 +552,6 @@ struct mlx4_en_priv { struct mlx4_hwq_resources res; int link_state; - int last_link_state; bool port_up; int port; int registered; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index e84287ffc7ce..dcf9f27ba2ef 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -658,11 +658,10 @@ static const struct devlink_param enable_rdma_param = static int mlx5_devlink_rdma_param_register(struct devlink *devlink) { - struct mlx5_core_dev *dev = devlink_priv(devlink); union devlink_param_value value; int err; - if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND) || MLX5_ESWITCH_MANAGER(dev)) + if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND)) return 0; err = devlink_param_register(devlink, &enable_rdma_param); @@ -679,9 +678,7 @@ static int mlx5_devlink_rdma_param_register(struct devlink *devlink) static void mlx5_devlink_rdma_param_unregister(struct devlink *devlink) { - struct mlx5_core_dev *dev = devlink_priv(devlink); - - if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND) || MLX5_ESWITCH_MANAGER(dev)) + if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND)) return; devlink_param_unpublish(devlink, &enable_rdma_param); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index 3f8a98093f8c..f9cf9fb31547 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -1007,7 +1007,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer) err = mlx5_core_alloc_pd(dev, &tracer->buff.pdn); if (err) { mlx5_core_warn(dev, "FWTracer: Failed to allocate PD %d\n", err); - return err; + goto err_cancel_work; } err = mlx5_fw_tracer_create_mkey(tracer); @@ -1031,6 +1031,7 @@ err_notifier_unregister: mlx5_core_destroy_mkey(dev, &tracer->buff.mkey); err_dealloc_pd: mlx5_core_dealloc_pd(dev, tracer->buff.pdn); +err_cancel_work: cancel_work_sync(&tracer->read_fw_strings_work); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 669a75f3537a..03a7a4ce5cd5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -252,6 +252,7 @@ struct mlx5e_params { struct { u16 mode; u8 num_tc; + struct netdev_tc_txq tc_to_txq[TC_MAX_QUEUE]; } mqprio; bool rx_cqe_compress_def; bool tunneled_offload_en; @@ -845,6 +846,7 @@ struct mlx5e_priv { struct mlx5e_channel_stats channel_stats[MLX5E_MAX_NUM_CHANNELS]; struct mlx5e_channel_stats trap_stats; struct mlx5e_ptp_stats ptp_stats; + u16 stats_nch; u16 max_nch; u8 max_opened_tc; bool tx_ptp_opened; @@ -922,7 +924,7 @@ void mlx5e_set_rx_mode_work(struct work_struct *work); int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr); int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr); -int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val); +int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val, bool rx_filter); int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto, u16 vid); @@ -1100,12 +1102,6 @@ int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv, struct ethtool_pauseparam *pauseparam); /* mlx5e generic netdev management API */ -static inline unsigned int -mlx5e_calc_max_nch(struct mlx5e_priv *priv, const struct mlx5e_profile *profile) -{ - return priv->netdev->num_rx_queues / max_t(u8, profile->rq_groups, 1); -} - static inline bool mlx5e_tx_mpwqe_supported(struct mlx5_core_dev *mdev) { @@ -1114,11 +1110,13 @@ mlx5e_tx_mpwqe_supported(struct mlx5_core_dev *mdev) } int mlx5e_priv_init(struct mlx5e_priv *priv, + const struct mlx5e_profile *profile, struct net_device *netdev, struct mlx5_core_dev *mdev); void mlx5e_priv_cleanup(struct mlx5e_priv *priv); struct net_device * -mlx5e_create_netdev(struct mlx5_core_dev *mdev, unsigned int txqs, unsigned int rxqs); +mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile, + unsigned int txqs, unsigned int rxqs); int mlx5e_attach_netdev(struct mlx5e_priv *priv); void mlx5e_detach_netdev(struct mlx5e_priv *priv); void mlx5e_destroy_netdev(struct mlx5e_priv *priv); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c index ac44bbe95c5c..d290d7276b8d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/hv_vhca_stats.c @@ -35,7 +35,7 @@ static void mlx5e_hv_vhca_fill_stats(struct mlx5e_priv *priv, void *data, { int ch, i = 0; - for (ch = 0; ch < priv->max_nch; ch++) { + for (ch = 0; ch < priv->stats_nch; ch++) { void *buf = data + i; if (WARN_ON_ONCE(buf + @@ -51,7 +51,7 @@ static void mlx5e_hv_vhca_fill_stats(struct mlx5e_priv *priv, void *data, static int mlx5e_hv_vhca_stats_buf_size(struct mlx5e_priv *priv) { return (sizeof(struct mlx5e_hv_vhca_per_ring_stats) * - priv->max_nch); + priv->stats_nch); } static void mlx5e_hv_vhca_stats_work(struct work_struct *work) @@ -100,7 +100,7 @@ static void mlx5e_hv_vhca_stats_control(struct mlx5_hv_vhca_agent *agent, sagent = &priv->stats_agent; block->version = MLX5_HV_VHCA_STATS_VERSION; - block->rings = priv->max_nch; + block->rings = priv->stats_nch; if (!block->command) { cancel_delayed_work_sync(&priv->stats_agent.work); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c index ee688dec67a9..3a86f66d1295 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c @@ -13,8 +13,6 @@ struct mlx5e_ptp_fs { bool valid; }; -#define MLX5E_PTP_CHANNEL_IX 0 - struct mlx5e_ptp_params { struct mlx5e_params params; struct mlx5e_sq_param txq_sq_param; @@ -509,6 +507,7 @@ static int mlx5e_init_ptp_rq(struct mlx5e_ptp *c, struct mlx5e_params *params, rq->mdev = mdev; rq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu); rq->stats = &c->priv->ptp_stats.rq; + rq->ix = MLX5E_PTP_CHANNEL_IX; rq->ptp_cyc2time = mlx5_rq_ts_translator(mdev); err = mlx5e_rq_set_handlers(rq, params, false); if (err) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h index c96668bd701c..a71a32e00ebb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.h @@ -8,6 +8,8 @@ #include "en_stats.h" #include <linux/ptp_classify.h> +#define MLX5E_PTP_CHANNEL_IX 0 + struct mlx5e_ptpsq { struct mlx5e_txqsq txqsq; struct mlx5e_cq ts_cq; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c index 0c38c2e319be..b5ddaa82755f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c @@ -137,7 +137,7 @@ static int mlx5_esw_bridge_port_changeupper(struct notifier_block *nb, void *ptr u16 vport_num, esw_owner_vhca_id; struct netlink_ext_ack *extack; int ifindex = upper->ifindex; - int err; + int err = 0; if (!netif_is_bridge_master(upper)) return 0; @@ -244,7 +244,7 @@ mlx5_esw_bridge_port_obj_attr_set(struct net_device *dev, struct netlink_ext_ack *extack = switchdev_notifier_info_to_extack(&port_attr_info->info); const struct switchdev_attr *attr = port_attr_info->attr; u16 vport_num, esw_owner_vhca_id; - int err; + int err = 0; if (!mlx5_esw_bridge_lower_rep_vport_num_vhca_id_get(dev, br_offloads->esw, &vport_num, &esw_owner_vhca_id)) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c index 51a4d80f7fa3..de03684528bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c @@ -300,9 +300,6 @@ mlx5e_rep_indr_block_priv_lookup(struct mlx5e_rep_priv *rpriv, { struct mlx5e_rep_indr_block_priv *cb_priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &rpriv->uplink_priv.tc_indr_block_priv_list, list) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c index bf0313e2682b..13056cb9757d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c @@ -572,7 +572,7 @@ void mlx5e_rx_res_channels_activate(struct mlx5e_rx_res *res, struct mlx5e_chann if (res->features & MLX5E_RX_RES_FEATURE_PTP) { u32 rqn; - if (mlx5e_channels_get_ptp_rqn(chs, &rqn)) + if (!mlx5e_channels_get_ptp_rqn(chs, &rqn)) rqn = res->drop_rqn; err = mlx5e_rqt_redirect_direct(&res->ptp.rqt, rqn); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 2cfd12953909..9d451b8ee467 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1884,7 +1884,7 @@ static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable) return set_pflag_cqe_based_moder(netdev, enable, true); } -int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val) +int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val, bool rx_filter) { bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS); struct mlx5e_params new_params; @@ -1896,8 +1896,7 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val if (curr_val == new_val) return 0; - if (new_val && !priv->profile->rx_ptp_support && - priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) { + if (new_val && !priv->profile->rx_ptp_support && rx_filter) { netdev_err(priv->netdev, "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n"); return -EINVAL; @@ -1905,7 +1904,7 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val new_params = priv->channels.params; MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val); - if (priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) + if (rx_filter) new_params.ptp_rx = new_val; if (new_params.ptp_rx == priv->channels.params.ptp_rx) @@ -1928,12 +1927,14 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev, { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; + bool rx_filter; int err; if (!MLX5_CAP_GEN(mdev, cqe_compression)) return -EOPNOTSUPP; - err = mlx5e_modify_rx_cqe_compression_locked(priv, enable); + rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE; + err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter); if (err) return err; @@ -2035,6 +2036,17 @@ static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable) } new_params = priv->channels.params; + /* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is + * active, since it defines explicitly which TC accepts the packet. + * This conflicts with TX-port-TS hijacking the PTP traffic to a specific + * HW TX-queue. + */ + if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { + netdev_err(priv->netdev, + "%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n", + __func__); + return -EINVAL; + } MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable); /* No need to verify SQ stop room as * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 47efd858964d..0c5197f9cea3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2264,7 +2264,7 @@ void mlx5e_set_netdev_mtu_boundaries(struct mlx5e_priv *priv) } static int mlx5e_netdev_set_tcs(struct net_device *netdev, u16 nch, u8 ntc, - struct tc_mqprio_qopt_offload *mqprio) + struct netdev_tc_txq *tc_to_txq) { int tc, err; @@ -2282,11 +2282,8 @@ static int mlx5e_netdev_set_tcs(struct net_device *netdev, u16 nch, u8 ntc, for (tc = 0; tc < ntc; tc++) { u16 count, offset; - /* For DCB mode, map netdev TCs to offset 0 - * We have our own UP to TXQ mapping for QoS - */ - count = mqprio ? mqprio->qopt.count[tc] : nch; - offset = mqprio ? mqprio->qopt.offset[tc] : 0; + count = tc_to_txq[tc].count; + offset = tc_to_txq[tc].offset; netdev_set_tc_queue(netdev, tc, count, offset); } @@ -2315,19 +2312,24 @@ int mlx5e_update_tx_netdev_queues(struct mlx5e_priv *priv) static int mlx5e_update_netdev_queues(struct mlx5e_priv *priv) { + struct netdev_tc_txq old_tc_to_txq[TC_MAX_QUEUE], *tc_to_txq; struct net_device *netdev = priv->netdev; int old_num_txqs, old_ntc; int num_rxqs, nch, ntc; int err; + int i; old_num_txqs = netdev->real_num_tx_queues; old_ntc = netdev->num_tc ? : 1; + for (i = 0; i < ARRAY_SIZE(old_tc_to_txq); i++) + old_tc_to_txq[i] = netdev->tc_to_txq[i]; nch = priv->channels.params.num_channels; - ntc = mlx5e_get_dcb_num_tc(&priv->channels.params); + ntc = priv->channels.params.mqprio.num_tc; num_rxqs = nch * priv->profile->rq_groups; + tc_to_txq = priv->channels.params.mqprio.tc_to_txq; - err = mlx5e_netdev_set_tcs(netdev, nch, ntc, NULL); + err = mlx5e_netdev_set_tcs(netdev, nch, ntc, tc_to_txq); if (err) goto err_out; err = mlx5e_update_tx_netdev_queues(priv); @@ -2350,11 +2352,14 @@ err_txqs: WARN_ON_ONCE(netif_set_real_num_tx_queues(netdev, old_num_txqs)); err_tcs: - mlx5e_netdev_set_tcs(netdev, old_num_txqs / old_ntc, old_ntc, NULL); + WARN_ON_ONCE(mlx5e_netdev_set_tcs(netdev, old_num_txqs / old_ntc, old_ntc, + old_tc_to_txq)); err_out: return err; } +static MLX5E_DEFINE_PREACTIVATE_WRAPPER_CTX(mlx5e_update_netdev_queues); + static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv, struct mlx5e_params *params) { @@ -2861,6 +2866,58 @@ static int mlx5e_modify_channels_vsd(struct mlx5e_channels *chs, bool vsd) return 0; } +static void mlx5e_mqprio_build_default_tc_to_txq(struct netdev_tc_txq *tc_to_txq, + int ntc, int nch) +{ + int tc; + + memset(tc_to_txq, 0, sizeof(*tc_to_txq) * TC_MAX_QUEUE); + + /* Map netdev TCs to offset 0. + * We have our own UP to TXQ mapping for DCB mode of QoS + */ + for (tc = 0; tc < ntc; tc++) { + tc_to_txq[tc] = (struct netdev_tc_txq) { + .count = nch, + .offset = 0, + }; + } +} + +static void mlx5e_mqprio_build_tc_to_txq(struct netdev_tc_txq *tc_to_txq, + struct tc_mqprio_qopt *qopt) +{ + int tc; + + for (tc = 0; tc < TC_MAX_QUEUE; tc++) { + tc_to_txq[tc] = (struct netdev_tc_txq) { + .count = qopt->count[tc], + .offset = qopt->offset[tc], + }; + } +} + +static void mlx5e_params_mqprio_dcb_set(struct mlx5e_params *params, u8 num_tc) +{ + params->mqprio.mode = TC_MQPRIO_MODE_DCB; + params->mqprio.num_tc = num_tc; + mlx5e_mqprio_build_default_tc_to_txq(params->mqprio.tc_to_txq, num_tc, + params->num_channels); +} + +static void mlx5e_params_mqprio_channel_set(struct mlx5e_params *params, + struct tc_mqprio_qopt *qopt) +{ + params->mqprio.mode = TC_MQPRIO_MODE_CHANNEL; + params->mqprio.num_tc = qopt->num_tc; + mlx5e_mqprio_build_tc_to_txq(params->mqprio.tc_to_txq, qopt); +} + +static void mlx5e_params_mqprio_reset(struct mlx5e_params *params) +{ + mlx5e_params_mqprio_dcb_set(params, 1); +} + static int mlx5e_setup_tc_mqprio_dcb(struct mlx5e_priv *priv, struct tc_mqprio_qopt *mqprio) { @@ -2874,8 +2931,7 @@ static int mlx5e_setup_tc_mqprio_dcb(struct mlx5e_priv *priv, return -EINVAL; new_params = priv->channels.params; - new_params.mqprio.mode = TC_MQPRIO_MODE_DCB; - new_params.mqprio.num_tc = tc ? tc : 1; + mlx5e_params_mqprio_dcb_set(&new_params, tc ? tc : 1); err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_num_channels_changed_ctx, NULL, true); @@ -2889,9 +2945,17 @@ static int mlx5e_mqprio_channel_validate(struct mlx5e_priv *priv, struct tc_mqprio_qopt_offload *mqprio) { struct net_device *netdev = priv->netdev; + struct mlx5e_ptp *ptp_channel; int agg_count = 0; int i; + ptp_channel = priv->channels.ptp; + if (ptp_channel && test_bit(MLX5E_PTP_STATE_TX, ptp_channel->state)) { + netdev_err(netdev, + "Cannot activate MQPRIO mode channel since it conflicts with TX port TS\n"); + return -EINVAL; + } + if (mqprio->qopt.offset[0] != 0 || mqprio->qopt.num_tc < 1 || mqprio->qopt.num_tc > MLX5E_MAX_NUM_MQPRIO_CH_TC) return -EINVAL; @@ -2926,25 +2990,12 @@ static int mlx5e_mqprio_channel_validate(struct mlx5e_priv *priv, return 0; } -static int mlx5e_mqprio_channel_set_tcs_ctx(struct mlx5e_priv *priv, void *ctx) -{ - struct tc_mqprio_qopt_offload *mqprio = (struct tc_mqprio_qopt_offload *)ctx; - struct net_device *netdev = priv->netdev; - u8 num_tc; - - if (priv->channels.params.mqprio.mode != TC_MQPRIO_MODE_CHANNEL) - return -EINVAL; - - num_tc = priv->channels.params.mqprio.num_tc; - mlx5e_netdev_set_tcs(netdev, 0, num_tc, mqprio); - - return 0; -} - static int mlx5e_setup_tc_mqprio_channel(struct mlx5e_priv *priv, struct tc_mqprio_qopt_offload *mqprio) { + mlx5e_fp_preactivate preactivate; struct mlx5e_params new_params; + bool nch_changed; int err; err = mlx5e_mqprio_channel_validate(priv, mqprio); @@ -2952,12 +3003,12 @@ static int mlx5e_setup_tc_mqprio_channel(struct mlx5e_priv *priv, return err; new_params = priv->channels.params; - new_params.mqprio.mode = TC_MQPRIO_MODE_CHANNEL; - new_params.mqprio.num_tc = mqprio->qopt.num_tc; - err = mlx5e_safe_switch_params(priv, &new_params, - mlx5e_mqprio_channel_set_tcs_ctx, mqprio, true); + mlx5e_params_mqprio_channel_set(&new_params, &mqprio->qopt); - return err; + nch_changed = mlx5e_get_dcb_num_tc(&priv->channels.params) > 1; + preactivate = nch_changed ? mlx5e_num_channels_changed_ctx : + mlx5e_update_netdev_queues_ctx; + return mlx5e_safe_switch_params(priv, &new_params, preactivate, NULL, true); } static int mlx5e_setup_tc_mqprio(struct mlx5e_priv *priv, @@ -3065,7 +3116,7 @@ void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s) { int i; - for (i = 0; i < priv->max_nch; i++) { + for (i = 0; i < priv->stats_nch; i++) { struct mlx5e_channel_stats *channel_stats = &priv->channel_stats[i]; struct mlx5e_rq_stats *xskrq_stats = &channel_stats->xskrq; struct mlx5e_rq_stats *rq_stats = &channel_stats->rq; @@ -3554,14 +3605,14 @@ static int mlx5e_hwstamp_config_no_ptp_rx(struct mlx5e_priv *priv, bool rx_filte if (!rx_filter) /* Reset CQE compression to Admin default */ - return mlx5e_modify_rx_cqe_compression_locked(priv, rx_cqe_compress_def); + return mlx5e_modify_rx_cqe_compression_locked(priv, rx_cqe_compress_def, false); if (!MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS)) return 0; /* Disable CQE compression */ netdev_warn(priv->netdev, "Disabling RX cqe compression\n"); - err = mlx5e_modify_rx_cqe_compression_locked(priv, false); + err = mlx5e_modify_rx_cqe_compression_locked(priv, false, true); if (err) netdev_err(priv->netdev, "Failed disabling cqe compression err=%d\n", err); @@ -4186,13 +4237,11 @@ void mlx5e_build_nic_params(struct mlx5e_priv *priv, struct mlx5e_xsk *xsk, u16 struct mlx5_core_dev *mdev = priv->mdev; u8 rx_cq_period_mode; - priv->max_nch = mlx5e_calc_max_nch(priv, priv->profile); - params->sw_mtu = mtu; params->hard_mtu = MLX5E_ETH_HARD_MTU; params->num_channels = min_t(unsigned int, MLX5E_MAX_NUM_CHANNELS / 2, priv->max_nch); - params->mqprio.num_tc = 1; + mlx5e_params_mqprio_reset(params); /* Set an initial non-zero value, so that mlx5e_select_queue won't * divide by zero if called before first activating channels. @@ -4682,8 +4731,35 @@ static const struct mlx5e_profile mlx5e_nic_profile = { .rx_ptp_support = true, }; +static unsigned int +mlx5e_calc_max_nch(struct mlx5_core_dev *mdev, struct net_device *netdev, + const struct mlx5e_profile *profile) + +{ + unsigned int max_nch, tmp; + + /* core resources */ + max_nch = mlx5e_get_max_num_channels(mdev); + + /* netdev rx queues */ + tmp = netdev->num_rx_queues / max_t(u8, profile->rq_groups, 1); + max_nch = min_t(unsigned int, max_nch, tmp); + + /* netdev tx queues */ + tmp = netdev->num_tx_queues; + if (mlx5_qos_is_supported(mdev)) + tmp -= mlx5e_qos_max_leaf_nodes(mdev); + if (MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn)) + tmp -= profile->max_tc; + tmp = tmp / profile->max_tc; + max_nch = min_t(unsigned int, max_nch, tmp); + + return max_nch; +} + /* mlx5e generic netdev management API (move to en_common.c) */ int mlx5e_priv_init(struct mlx5e_priv *priv, + const struct mlx5e_profile *profile, struct net_device *netdev, struct mlx5_core_dev *mdev) { @@ -4691,6 +4767,8 @@ int mlx5e_priv_init(struct mlx5e_priv *priv, priv->mdev = mdev; priv->netdev = netdev; priv->msglevel = MLX5E_MSG_LEVEL; + priv->max_nch = mlx5e_calc_max_nch(mdev, netdev, profile); + priv->stats_nch = priv->max_nch; priv->max_opened_tc = 1; if (!alloc_cpumask_var(&priv->scratchpad.cpumask, GFP_KERNEL)) @@ -4734,7 +4812,8 @@ void mlx5e_priv_cleanup(struct mlx5e_priv *priv) } struct net_device * -mlx5e_create_netdev(struct mlx5_core_dev *mdev, unsigned int txqs, unsigned int rxqs) +mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile, + unsigned int txqs, unsigned int rxqs) { struct net_device *netdev; int err; @@ -4745,7 +4824,7 @@ mlx5e_create_netdev(struct mlx5_core_dev *mdev, unsigned int txqs, unsigned int return NULL; } - err = mlx5e_priv_init(netdev_priv(netdev), netdev, mdev); + err = mlx5e_priv_init(netdev_priv(netdev), profile, netdev, mdev); if (err) { mlx5_core_err(mdev, "mlx5e_priv_init failed, err=%d\n", err); goto err_free_netdev; @@ -4787,7 +4866,7 @@ int mlx5e_attach_netdev(struct mlx5e_priv *priv) clear_bit(MLX5E_STATE_DESTROYING, &priv->state); /* max number of channels may have changed */ - max_nch = mlx5e_get_max_num_channels(priv->mdev); + max_nch = mlx5e_calc_max_nch(priv->mdev, priv->netdev, profile); if (priv->channels.params.num_channels > max_nch) { mlx5_core_warn(priv->mdev, "MLX5E: Reducing number of channels to %d\n", max_nch); /* Reducing the number of channels - RXFH has to be reset, and @@ -4795,7 +4874,18 @@ int mlx5e_attach_netdev(struct mlx5e_priv *priv) */ priv->netdev->priv_flags &= ~IFF_RXFH_CONFIGURED; priv->channels.params.num_channels = max_nch; + if (priv->channels.params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { + mlx5_core_warn(priv->mdev, "MLX5E: Disabling MQPRIO channel mode\n"); + mlx5e_params_mqprio_reset(&priv->channels.params); + } } + if (max_nch != priv->max_nch) { + mlx5_core_warn(priv->mdev, + "MLX5E: Updating max number of channels from %u to %u\n", + priv->max_nch, max_nch); + priv->max_nch = max_nch; + } + /* 1. Set the real number of queues in the kernel the first time. * 2. Set our default XPS cpumask. * 3. Build the RQT. @@ -4860,7 +4950,7 @@ mlx5e_netdev_attach_profile(struct net_device *netdev, struct mlx5_core_dev *mde struct mlx5e_priv *priv = netdev_priv(netdev); int err; - err = mlx5e_priv_init(priv, netdev, mdev); + err = mlx5e_priv_init(priv, new_profile, netdev, mdev); if (err) { mlx5_core_err(mdev, "mlx5e_priv_init failed, err=%d\n", err); return err; @@ -4886,20 +4976,12 @@ priv_cleanup: int mlx5e_netdev_change_profile(struct mlx5e_priv *priv, const struct mlx5e_profile *new_profile, void *new_ppriv) { - unsigned int new_max_nch = mlx5e_calc_max_nch(priv, new_profile); const struct mlx5e_profile *orig_profile = priv->profile; struct net_device *netdev = priv->netdev; struct mlx5_core_dev *mdev = priv->mdev; void *orig_ppriv = priv->ppriv; int err, rollback_err; - /* sanity */ - if (new_max_nch != priv->max_nch) { - netdev_warn(netdev, "%s: Replacing profile with different max channels\n", - __func__); - return -EINVAL; - } - /* cleanup old profile */ mlx5e_detach_netdev(priv); priv->profile->cleanup(priv); @@ -4995,7 +5077,7 @@ static int mlx5e_probe(struct auxiliary_device *adev, nch = mlx5e_get_max_num_channels(mdev); txqs = nch * profile->max_tc + ptp_txqs + qos_sqs; rxqs = nch * profile->rq_groups; - netdev = mlx5e_create_netdev(mdev, txqs, rxqs); + netdev = mlx5e_create_netdev(mdev, profile, txqs, rxqs); if (!netdev) { mlx5_core_err(mdev, "mlx5e_create_netdev failed\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index ae71a17fdb27..3dd1101cc693 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -596,7 +596,6 @@ static void mlx5e_build_rep_params(struct net_device *netdev) MLX5_CQ_PERIOD_MODE_START_FROM_CQE : MLX5_CQ_PERIOD_MODE_START_FROM_EQE; - priv->max_nch = mlx5e_calc_max_nch(priv, priv->profile); params = &priv->channels.params; params->num_channels = MLX5E_REP_PARAMS_DEF_NUM_CHANNELS; @@ -1169,7 +1168,7 @@ mlx5e_vport_vf_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep) nch = mlx5e_get_max_num_channels(dev); txqs = nch * profile->max_tc; rxqs = nch * profile->rq_groups; - netdev = mlx5e_create_netdev(dev, txqs, rxqs); + netdev = mlx5e_create_netdev(dev, profile, txqs, rxqs); if (!netdev) { mlx5_core_warn(dev, "Failed to create representor netdev for vport %d\n", diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 3c65fd0bcf31..29a6586ef28d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1001,14 +1001,9 @@ static inline void mlx5e_handle_csum(struct net_device *netdev, goto csum_unnecessary; if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) { - u8 ipproto = get_ip_proto(skb, network_depth, proto); - - if (unlikely(ipproto == IPPROTO_SCTP)) + if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP)) goto csum_unnecessary; - if (unlikely(mlx5_ipsec_is_rx_flow(cqe))) - goto csum_none; - stats->csum_complete++; skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = csum_unfold((__force __sum16)cqe->check_sum); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c index e4f5b6395148..e1dd17019030 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c @@ -34,6 +34,7 @@ #include "en.h" #include "en_accel/tls.h" #include "en_accel/en_accel.h" +#include "en/ptp.h" static unsigned int stats_grps_num(struct mlx5e_priv *priv) { @@ -450,7 +451,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw) memset(s, 0, sizeof(*s)); - for (i = 0; i < priv->max_nch; i++) { + for (i = 0; i < priv->stats_nch; i++) { struct mlx5e_channel_stats *channel_stats = &priv->channel_stats[i]; int j; @@ -2076,7 +2077,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ptp) if (priv->rx_ptp_opened) { for (i = 0; i < NUM_PTP_RQ_STATS; i++) sprintf(data + (idx++) * ETH_GSTRING_LEN, - ptp_rq_stats_desc[i].format); + ptp_rq_stats_desc[i].format, MLX5E_PTP_CHANNEL_IX); } return idx; } @@ -2119,7 +2120,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ptp) { return; } static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(channels) { - int max_nch = priv->max_nch; + int max_nch = priv->stats_nch; return (NUM_RQ_STATS * max_nch) + (NUM_CH_STATS * max_nch) + @@ -2133,7 +2134,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(channels) static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(channels) { bool is_xsk = priv->xsk.ever_used; - int max_nch = priv->max_nch; + int max_nch = priv->stats_nch; int i, j, tc; for (i = 0; i < max_nch; i++) @@ -2175,7 +2176,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(channels) static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(channels) { bool is_xsk = priv->xsk.ever_used; - int max_nch = priv->max_nch; + int max_nch = priv->stats_nch; int i, j, tc; for (i = 0; i < max_nch; i++) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c index 0399a396d166..60a73990017c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c @@ -79,12 +79,16 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, int dest_num = 0; int err = 0; - if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) { + if (vport->egress.legacy.drop_counter) { + drop_counter = vport->egress.legacy.drop_counter; + } else if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) { drop_counter = mlx5_fc_create(esw->dev, false); - if (IS_ERR(drop_counter)) + if (IS_ERR(drop_counter)) { esw_warn(esw->dev, "vport[%d] configure egress drop rule counter err(%ld)\n", vport->vport, PTR_ERR(drop_counter)); + drop_counter = NULL; + } vport->egress.legacy.drop_counter = drop_counter; } @@ -123,7 +127,7 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP; /* Attach egress drop flow counter */ - if (!IS_ERR_OR_NULL(drop_counter)) { + if (drop_counter) { flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT; drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; drop_ctr_dst.counter_id = mlx5_fc_id(drop_counter); @@ -162,7 +166,7 @@ void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw, esw_acl_egress_table_destroy(vport); clean_drop_counter: - if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_counter)) { + if (vport->egress.legacy.drop_counter) { mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter); vport->egress.legacy.drop_counter = NULL; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c index f75b86abaf1c..b1a5199260f6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c @@ -160,7 +160,9 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, esw_acl_ingress_lgcy_rules_destroy(vport); - if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) { + if (vport->ingress.legacy.drop_counter) { + counter = vport->ingress.legacy.drop_counter; + } else if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) { counter = mlx5_fc_create(esw->dev, false); if (IS_ERR(counter)) { esw_warn(esw->dev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 9fe8e3c204d6..fe501ba88bea 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1682,14 +1682,13 @@ static int build_match_list(struct match_list *match_head, curr_match = kmalloc(sizeof(*curr_match), GFP_ATOMIC); if (!curr_match) { + rcu_read_unlock(); free_match_list(match_head, ft_locked); - err = -ENOMEM; - goto out; + return -ENOMEM; } curr_match->g = g; list_add_tail(&curr_match->list, &match_head->list); } -out: rcu_read_unlock(); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c index 67571e5040d6..269ebb53eda6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c @@ -113,7 +113,7 @@ static void mlx5i_grp_sw_update_stats(struct mlx5e_priv *priv) struct mlx5e_sw_stats s = { 0 }; int i, j; - for (i = 0; i < priv->max_nch; i++) { + for (i = 0; i < priv->stats_nch; i++) { struct mlx5e_channel_stats *channel_stats; struct mlx5e_rq_stats *rq_stats; @@ -711,7 +711,7 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u32 port_num, goto destroy_ht; } - err = mlx5e_priv_init(epriv, netdev, mdev); + err = mlx5e_priv_init(epriv, prof, netdev, mdev); if (err) goto destroy_mdev_resources; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 49ca57c6d31d..ca5690b0a7ab 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -927,9 +927,12 @@ void mlx5_lag_disable_change(struct mlx5_core_dev *dev) struct mlx5_core_dev *dev1; struct mlx5_lag *ldev; + ldev = mlx5_lag_dev(dev); + if (!ldev) + return; + mlx5_dev_list_lock(); - ldev = mlx5_lag_dev(dev); dev0 = ldev->pf[MLX5_LAG_P1].dev; dev1 = ldev->pf[MLX5_LAG_P2].dev; @@ -946,8 +949,11 @@ void mlx5_lag_enable_change(struct mlx5_core_dev *dev) { struct mlx5_lag *ldev; - mlx5_dev_list_lock(); ldev = mlx5_lag_dev(dev); + if (!ldev) + return; + + mlx5_dev_list_lock(); ldev->mode_changes_in_progress--; mlx5_dev_list_unlock(); mlx5_queue_bond_work(ldev, 0); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index ffac8a0e7a23..91e806c1aa21 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -448,22 +448,20 @@ static u64 find_target_cycles(struct mlx5_core_dev *mdev, s64 target_ns) return cycles_now + cycles_delta; } -static u64 perout_conf_internal_timer(struct mlx5_core_dev *mdev, - s64 sec, u32 nsec) +static u64 perout_conf_internal_timer(struct mlx5_core_dev *mdev, s64 sec) { - struct timespec64 ts; + struct timespec64 ts = {}; s64 target_ns; ts.tv_sec = sec; - ts.tv_nsec = nsec; target_ns = timespec64_to_ns(&ts); return find_target_cycles(mdev, target_ns); } -static u64 perout_conf_real_time(s64 sec, u32 nsec) +static u64 perout_conf_real_time(s64 sec) { - return (u64)nsec | (u64)sec << 32; + return (u64)sec << 32; } static int mlx5_perout_configure(struct ptp_clock_info *ptp, @@ -474,6 +472,7 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp, container_of(ptp, struct mlx5_clock, ptp_info); struct mlx5_core_dev *mdev = container_of(clock, struct mlx5_core_dev, clock); + bool rt_mode = mlx5_real_time_mode(mdev); u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0}; struct timespec64 ts; u32 field_select = 0; @@ -501,8 +500,10 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp, if (on) { bool rt_mode = mlx5_real_time_mode(mdev); - u32 nsec; - s64 sec; + s64 sec = rq->perout.start.sec; + + if (rq->perout.start.nsec) + return -EINVAL; pin_mode = MLX5_PIN_MODE_OUT; pattern = MLX5_OUT_PATTERN_PERIODIC; @@ -513,14 +514,11 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp, if ((ns >> 1) != 500000000LL) return -EINVAL; - nsec = rq->perout.start.nsec; - sec = rq->perout.start.sec; - if (rt_mode && sec > U32_MAX) return -EINVAL; - time_stamp = rt_mode ? perout_conf_real_time(sec, nsec) : - perout_conf_internal_timer(mdev, sec, nsec); + time_stamp = rt_mode ? perout_conf_real_time(sec) : + perout_conf_internal_timer(mdev, sec); field_select |= MLX5_MTPPS_FS_PIN_MODE | MLX5_MTPPS_FS_PATTERN | @@ -538,6 +536,9 @@ static int mlx5_perout_configure(struct ptp_clock_info *ptp, if (err) return err; + if (rt_mode) + return 0; + return mlx5_set_mtppse(mdev, pin, 0, MLX5_EVENT_MODE_REPETETIVE & on); } @@ -705,20 +706,14 @@ static void ts_next_sec(struct timespec64 *ts) static u64 perout_conf_next_event_timer(struct mlx5_core_dev *mdev, struct mlx5_clock *clock) { - bool rt_mode = mlx5_real_time_mode(mdev); struct timespec64 ts; s64 target_ns; - if (rt_mode) - ts = mlx5_ptp_gettimex_real_time(mdev, NULL); - else - mlx5_ptp_gettimex(&clock->ptp_info, &ts, NULL); - + mlx5_ptp_gettimex(&clock->ptp_info, &ts, NULL); ts_next_sec(&ts); target_ns = timespec64_to_ns(&ts); - return rt_mode ? perout_conf_real_time(ts.tv_sec, ts.tv_nsec) : - find_target_cycles(mdev, target_ns); + return find_target_cycles(mdev, target_ns); } static int mlx5_pps_event(struct notifier_block *nb, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index c79a10b3454d..763c83a02380 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -13,8 +13,8 @@ #endif #define MLX5_MAX_IRQ_NAME (32) -/* max irq_index is 255. three chars */ -#define MLX5_MAX_IRQ_IDX_CHARS (3) +/* max irq_index is 2047, so four chars */ +#define MLX5_MAX_IRQ_IDX_CHARS (4) #define MLX5_SFS_PER_CTRL_IRQ 64 #define MLX5_IRQ_CTRL_SF_MAX 8 @@ -633,8 +633,9 @@ void mlx5_irq_table_destroy(struct mlx5_core_dev *dev) int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table) { if (table->sf_comp_pool) - return table->sf_comp_pool->xa_num_irqs.max - - table->sf_comp_pool->xa_num_irqs.min + 1; + return min_t(int, num_online_cpus(), + table->sf_comp_pool->xa_num_irqs.max - + table->sf_comp_pool->xa_num_irqs.min + 1); else return mlx5_irq_table_get_num_comp(table); } diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c index 3e85b17f5857..6704f5c1aa32 100644 --- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c +++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c @@ -142,6 +142,13 @@ static int mlxbf_gige_open(struct net_device *netdev) err = mlxbf_gige_clean_port(priv); if (err) goto free_irqs; + + /* Clear driver's valid_polarity to match hardware, + * since the above call to clean_port() resets the + * receive polarity used by hardware. + */ + priv->valid_polarity = 0; + err = mlxbf_gige_rx_init(priv); if (err) goto free_irqs; diff --git a/drivers/net/ethernet/micrel/Makefile b/drivers/net/ethernet/micrel/Makefile index 5cc00d22c708..6ecc4eb30e74 100644 --- a/drivers/net/ethernet/micrel/Makefile +++ b/drivers/net/ethernet/micrel/Makefile @@ -4,8 +4,6 @@ # obj-$(CONFIG_KS8842) += ks8842.o -obj-$(CONFIG_KS8851) += ks8851.o -ks8851-objs = ks8851_common.o ks8851_spi.o -obj-$(CONFIG_KS8851_MLL) += ks8851_mll.o -ks8851_mll-objs = ks8851_common.o ks8851_par.o +obj-$(CONFIG_KS8851) += ks8851_common.o ks8851_spi.o +obj-$(CONFIG_KS8851_MLL) += ks8851_common.o ks8851_par.o obj-$(CONFIG_KSZ884X_PCI) += ksz884x.o diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c index 3f69bb59ba49..a6db1a8156e1 100644 --- a/drivers/net/ethernet/micrel/ks8851_common.c +++ b/drivers/net/ethernet/micrel/ks8851_common.c @@ -1057,6 +1057,7 @@ int ks8851_suspend(struct device *dev) return 0; } +EXPORT_SYMBOL_GPL(ks8851_suspend); int ks8851_resume(struct device *dev) { @@ -1070,6 +1071,7 @@ int ks8851_resume(struct device *dev) return 0; } +EXPORT_SYMBOL_GPL(ks8851_resume); #endif static int ks8851_register_mdiobus(struct ks8851_net *ks, struct device *dev) @@ -1243,6 +1245,7 @@ err_reg: err_reg_io: return ret; } +EXPORT_SYMBOL_GPL(ks8851_probe_common); int ks8851_remove_common(struct device *dev) { @@ -1261,3 +1264,8 @@ int ks8851_remove_common(struct device *dev) return 0; } +EXPORT_SYMBOL_GPL(ks8851_remove_common); + +MODULE_DESCRIPTION("KS8851 Network driver"); +MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c index c1310ea1c216..d5c485a6d284 100644 --- a/drivers/net/ethernet/microsoft/mana/hw_channel.c +++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c @@ -398,9 +398,7 @@ static int mana_hwc_alloc_dma_buf(struct hw_channel_context *hwc, u16 q_depth, int err; u16 i; - dma_buf = kzalloc(sizeof(*dma_buf) + - q_depth * sizeof(struct hwc_work_request), - GFP_KERNEL); + dma_buf = kzalloc(struct_size(dma_buf, reqs, q_depth), GFP_KERNEL); if (!dma_buf) return -ENOMEM; diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index c581b955efb3..559177e6ded4 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -563,16 +563,6 @@ void ocelot_phylink_mac_link_up(struct ocelot *ocelot, int port, ocelot_port_writel(ocelot_port, DEV_MAC_ENA_CFG_RX_ENA | DEV_MAC_ENA_CFG_TX_ENA, DEV_MAC_ENA_CFG); - /* Take MAC, Port, Phy (intern) and PCS (SGMII/Serdes) clock out of - * reset - */ - ocelot_port_writel(ocelot_port, DEV_CLOCK_CFG_LINK_SPEED(speed), - DEV_CLOCK_CFG); - - /* No PFC */ - ocelot_write_gix(ocelot, ANA_PFC_PFC_CFG_FC_LINK_SPEED(speed), - ANA_PFC_PFC_CFG, port); - /* Core: Enable port for frame transfer */ ocelot_fields_write(ocelot, port, QSYS_SWITCH_PORT_MODE_PORT_ENA, 1); @@ -1303,14 +1293,19 @@ static u32 ocelot_get_bond_mask(struct ocelot *ocelot, struct net_device *bond, return mask; } -static u32 ocelot_get_bridge_fwd_mask(struct ocelot *ocelot, +static u32 ocelot_get_bridge_fwd_mask(struct ocelot *ocelot, int src_port, struct net_device *bridge) { + struct ocelot_port *ocelot_port = ocelot->ports[src_port]; u32 mask = 0; int port; + if (!ocelot_port || ocelot_port->bridge != bridge || + ocelot_port->stp_state != BR_STATE_FORWARDING) + return 0; + for (port = 0; port < ocelot->num_phys_ports; port++) { - struct ocelot_port *ocelot_port = ocelot->ports[port]; + ocelot_port = ocelot->ports[port]; if (!ocelot_port) continue; @@ -1376,7 +1371,7 @@ void ocelot_apply_bridge_fwd_mask(struct ocelot *ocelot) struct net_device *bridge = ocelot_port->bridge; struct net_device *bond = ocelot_port->bond; - mask = ocelot_get_bridge_fwd_mask(ocelot, bridge); + mask = ocelot_get_bridge_fwd_mask(ocelot, port, bridge); mask |= cpu_fwd_mask; mask &= ~BIT(port); if (bond) { diff --git a/drivers/net/ethernet/mscc/ocelot_devlink.c b/drivers/net/ethernet/mscc/ocelot_devlink.c index edafbd37d12c..b8737efd2a85 100644 --- a/drivers/net/ethernet/mscc/ocelot_devlink.c +++ b/drivers/net/ethernet/mscc/ocelot_devlink.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: (GPL-2.0 OR MIT) -/* Copyright 2020-2021 NXP Semiconductors +/* Copyright 2020-2021 NXP */ #include <net/devlink.h> #include "ocelot.h" diff --git a/drivers/net/ethernet/mscc/ocelot_mrp.c b/drivers/net/ethernet/mscc/ocelot_mrp.c index 08b481a93460..4b0941f09f71 100644 --- a/drivers/net/ethernet/mscc/ocelot_mrp.c +++ b/drivers/net/ethernet/mscc/ocelot_mrp.c @@ -2,7 +2,7 @@ /* Microsemi Ocelot Switch driver * * Copyright (c) 2017, 2019 Microsemi Corporation - * Copyright 2020-2021 NXP Semiconductors + * Copyright 2020-2021 NXP */ #include <linux/if_bridge.h> diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c index c0c465a4a981..e54b9fb2a97a 100644 --- a/drivers/net/ethernet/mscc/ocelot_net.c +++ b/drivers/net/ethernet/mscc/ocelot_net.c @@ -5,7 +5,7 @@ * mscc_ocelot_switch_lib. * * Copyright (c) 2017, 2019 Microsemi Corporation - * Copyright 2020-2021 NXP Semiconductors + * Copyright 2020-2021 NXP */ #include <linux/if_bridge.h> diff --git a/drivers/net/ethernet/mscc/ocelot_vcap.c b/drivers/net/ethernet/mscc/ocelot_vcap.c index 7945393a0655..99d7376a70a7 100644 --- a/drivers/net/ethernet/mscc/ocelot_vcap.c +++ b/drivers/net/ethernet/mscc/ocelot_vcap.c @@ -998,8 +998,8 @@ ocelot_vcap_block_find_filter_by_index(struct ocelot_vcap_block *block, } struct ocelot_vcap_filter * -ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, int cookie, - bool tc_offload) +ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, + unsigned long cookie, bool tc_offload) { struct ocelot_vcap_filter *filter; diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 556c3495211d..64c0ef57ad42 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -1767,9 +1767,6 @@ nfp_flower_indr_block_cb_priv_lookup(struct nfp_app *app, struct nfp_flower_indr_block_cb_priv *cb_priv; struct nfp_flower_priv *priv = app->priv; - /* All callback list access should be protected by RTNL. */ - ASSERT_RTNL(); - list_for_each_entry(cb_priv, &priv->indr_block_cb_priv, list) if (cb_priv->netdev == netdev) return cb_priv; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 381966e8f557..ccf3ffcd3939 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1292,8 +1292,10 @@ int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr) if (err && err != -EEXIST) { /* set the state back to NEW so we can try again later */ f = ionic_rx_filter_by_addr(lif, addr); - if (f && f->state == IONIC_FILTER_STATE_SYNCED) + if (f && f->state == IONIC_FILTER_STATE_SYNCED) { f->state = IONIC_FILTER_STATE_NEW; + set_bit(IONIC_LIF_F_FILTER_SYNC_NEEDED, lif->state); + } spin_unlock_bh(&lif->rx_filters.lock); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c index 25ecfcfa1281..69728f9013cb 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c @@ -349,9 +349,6 @@ loop_out: list_for_each_entry_safe(sync_item, spos, &sync_add_list, list) { (void)ionic_lif_addr_add(lif, sync_item->f.cmd.mac.addr); - if (sync_item->f.state != IONIC_FILTER_STATE_SYNCED) - set_bit(IONIC_LIF_F_FILTER_SYNC_NEEDED, lif->state); - list_del(&sync_item->list); devm_kfree(dev, sync_item); } diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.c b/drivers/net/ethernet/pensando/ionic/ionic_stats.c index 58a854666c62..c14de5fcedea 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_stats.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.c @@ -380,15 +380,6 @@ static void ionic_sw_stats_get_txq_values(struct ionic_lif *lif, u64 **buf, &ionic_dbg_intr_stats_desc[i]); (*buf)++; } - for (i = 0; i < IONIC_NUM_DBG_NAPI_STATS; i++) { - **buf = IONIC_READ_STAT64(&txqcq->napi_stats, - &ionic_dbg_napi_stats_desc[i]); - (*buf)++; - } - for (i = 0; i < IONIC_MAX_NUM_NAPI_CNTR; i++) { - **buf = txqcq->napi_stats.work_done_cntr[i]; - (*buf)++; - } for (i = 0; i < IONIC_MAX_NUM_SG_CNTR; i++) { **buf = txstats->sg_cntr[i]; (*buf)++; diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index fc8b3e64f153..186d0048a9d1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1297,6 +1297,14 @@ qed_iwarp_wait_cid_map_cleared(struct qed_hwfn *p_hwfn, struct qed_bmap *bmap) prev_weight = weight; while (weight) { + /* If the HW device is during recovery, all resources are + * immediately reset without receiving a per-cid indication + * from HW. In this case we don't expect the cid_map to be + * cleared. + */ + if (p_hwfn->cdev->recov_in_prog) + return 0; + msleep(QED_IWARP_MAX_CID_CLEAN_TIME); weight = bitmap_weight(bmap->bitmap, bmap->max_count); diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 6e5a6cc97d0e..24cd41567775 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -3367,6 +3367,7 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn, struct qed_nvm_image_att *p_image_att) { enum nvm_image_type type; + int rc; u32 i; /* Translate image_id into MFW definitions */ @@ -3395,7 +3396,10 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn, return -EINVAL; } - qed_mcp_nvm_info_populate(p_hwfn); + rc = qed_mcp_nvm_info_populate(p_hwfn); + if (rc) + return rc; + for (i = 0; i < p_hwfn->nvm_info.num_images; i++) if (type == p_hwfn->nvm_info.image_att[i].image_type) break; diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c index f16a157bb95a..cf5baa5e59bc 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -77,6 +77,14 @@ void qed_roce_stop(struct qed_hwfn *p_hwfn) * Beyond the added delay we clear the bitmap anyway. */ while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) { + /* If the HW device is during recovery, all resources are + * immediately reset without receiving a per-cid indication + * from HW. In this case we don't expect the cid bitmap to be + * cleared. + */ + if (p_hwfn->cdev->recov_in_prog) + return; + msleep(100); if (wait_count++ > 20) { DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n"); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 0a2f34fc8b24..27dffa299ca6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -1354,10 +1354,10 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) struct qlc_83xx_fw_info *fw_info = adapter->ahw->fw_info; const struct firmware *fw = fw_info->fw; u32 dest, *p_cache, *temp; - int i, ret = -EIO; __le32 *temp_le; u8 data[16]; size_t size; + int i, ret; u64 addr; temp = vzalloc(fw->size); diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index 4b2eca5e08e2..01ef5efd7bc2 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -119,6 +119,8 @@ #define PHY_ST 0x8A /* PHY status register */ #define MAC_SM 0xAC /* MAC status machine */ #define MAC_SM_RST 0x0002 /* MAC status machine reset */ +#define MD_CSC 0xb6 /* MDC speed control register */ +#define MD_CSC_DEFAULT 0x0030 #define MAC_ID 0xBE /* Identifier register */ #define TX_DCNT 0x80 /* TX descriptor count */ @@ -355,8 +357,9 @@ static void r6040_reset_mac(struct r6040_private *lp) { void __iomem *ioaddr = lp->base; int limit = MAC_DEF_TIMEOUT; - u16 cmd; + u16 cmd, md_csc; + md_csc = ioread16(ioaddr + MD_CSC); iowrite16(MAC_RST, ioaddr + MCR1); while (limit--) { cmd = ioread16(ioaddr + MCR1); @@ -368,6 +371,10 @@ static void r6040_reset_mac(struct r6040_private *lp) iowrite16(MAC_SM_RST, ioaddr + MAC_SM); iowrite16(0, ioaddr + MAC_SM); mdelay(5); + + /* Restore MDIO clock frequency */ + if (md_csc != MD_CSC_DEFAULT) + iowrite16(md_csc, ioaddr + MD_CSC); } static void r6040_init_mac_regs(struct net_device *dev) diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c index e5b0d795c301..3dbea028b325 100644 --- a/drivers/net/ethernet/sfc/efx_channels.c +++ b/drivers/net/ethernet/sfc/efx_channels.c @@ -166,32 +166,46 @@ static int efx_allocate_msix_channels(struct efx_nic *efx, * We need a channel per event queue, plus a VI per tx queue. * This may be more pessimistic than it needs to be. */ - if (n_channels + n_xdp_ev > max_channels) { - netif_err(efx, drv, efx->net_dev, - "Insufficient resources for %d XDP event queues (%d other channels, max %d)\n", - n_xdp_ev, n_channels, max_channels); - netif_err(efx, drv, efx->net_dev, - "XDP_TX and XDP_REDIRECT will not work on this interface"); - efx->n_xdp_channels = 0; - efx->xdp_tx_per_channel = 0; - efx->xdp_tx_queue_count = 0; + if (n_channels >= max_channels) { + efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED; + netif_warn(efx, drv, efx->net_dev, + "Insufficient resources for %d XDP event queues (%d other channels, max %d)\n", + n_xdp_ev, n_channels, max_channels); + netif_warn(efx, drv, efx->net_dev, + "XDP_TX and XDP_REDIRECT might decrease device's performance\n"); } else if (n_channels + n_xdp_tx > efx->max_vis) { - netif_err(efx, drv, efx->net_dev, - "Insufficient resources for %d XDP TX queues (%d other channels, max VIs %d)\n", - n_xdp_tx, n_channels, efx->max_vis); - netif_err(efx, drv, efx->net_dev, - "XDP_TX and XDP_REDIRECT will not work on this interface"); - efx->n_xdp_channels = 0; - efx->xdp_tx_per_channel = 0; - efx->xdp_tx_queue_count = 0; + efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_BORROWED; + netif_warn(efx, drv, efx->net_dev, + "Insufficient resources for %d XDP TX queues (%d other channels, max VIs %d)\n", + n_xdp_tx, n_channels, efx->max_vis); + netif_warn(efx, drv, efx->net_dev, + "XDP_TX and XDP_REDIRECT might decrease device's performance\n"); + } else if (n_channels + n_xdp_ev > max_channels) { + efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_SHARED; + netif_warn(efx, drv, efx->net_dev, + "Insufficient resources for %d XDP event queues (%d other channels, max %d)\n", + n_xdp_ev, n_channels, max_channels); + + n_xdp_ev = max_channels - n_channels; + netif_warn(efx, drv, efx->net_dev, + "XDP_TX and XDP_REDIRECT will work with reduced performance (%d cpus/tx_queue)\n", + DIV_ROUND_UP(n_xdp_tx, tx_per_ev * n_xdp_ev)); } else { + efx->xdp_txq_queues_mode = EFX_XDP_TX_QUEUES_DEDICATED; + } + + if (efx->xdp_txq_queues_mode != EFX_XDP_TX_QUEUES_BORROWED) { efx->n_xdp_channels = n_xdp_ev; efx->xdp_tx_per_channel = tx_per_ev; efx->xdp_tx_queue_count = n_xdp_tx; n_channels += n_xdp_ev; netif_dbg(efx, drv, efx->net_dev, "Allocating %d TX and %d event queues for XDP\n", - n_xdp_tx, n_xdp_ev); + n_xdp_ev * tx_per_ev, n_xdp_ev); + } else { + efx->n_xdp_channels = 0; + efx->xdp_tx_per_channel = 0; + efx->xdp_tx_queue_count = n_xdp_tx; } if (vec_count < n_channels) { @@ -858,6 +872,20 @@ rollback: goto out; } +static inline int +efx_set_xdp_tx_queue(struct efx_nic *efx, int xdp_queue_number, + struct efx_tx_queue *tx_queue) +{ + if (xdp_queue_number >= efx->xdp_tx_queue_count) + return -EINVAL; + + netif_dbg(efx, drv, efx->net_dev, "Channel %u TXQ %u is XDP %u, HW %u\n", + tx_queue->channel->channel, tx_queue->label, + xdp_queue_number, tx_queue->queue); + efx->xdp_tx_queues[xdp_queue_number] = tx_queue; + return 0; +} + int efx_set_channels(struct efx_nic *efx) { struct efx_tx_queue *tx_queue; @@ -896,20 +924,9 @@ int efx_set_channels(struct efx_nic *efx) if (efx_channel_is_xdp_tx(channel)) { efx_for_each_channel_tx_queue(tx_queue, channel) { tx_queue->queue = next_queue++; - - /* We may have a few left-over XDP TX - * queues owing to xdp_tx_queue_count - * not dividing evenly by EFX_MAX_TXQ_PER_CHANNEL. - * We still allocate and probe those - * TXQs, but never use them. - */ - if (xdp_queue_number < efx->xdp_tx_queue_count) { - netif_dbg(efx, drv, efx->net_dev, "Channel %u TXQ %u is XDP %u, HW %u\n", - channel->channel, tx_queue->label, - xdp_queue_number, tx_queue->queue); - efx->xdp_tx_queues[xdp_queue_number] = tx_queue; + rc = efx_set_xdp_tx_queue(efx, xdp_queue_number, tx_queue); + if (rc == 0) xdp_queue_number++; - } } } else { efx_for_each_channel_tx_queue(tx_queue, channel) { @@ -918,10 +935,35 @@ int efx_set_channels(struct efx_nic *efx) channel->channel, tx_queue->label, tx_queue->queue); } + + /* If XDP is borrowing queues from net stack, it must use the queue + * with no csum offload, which is the first one of the channel + * (note: channel->tx_queue_by_type is not initialized yet) + */ + if (efx->xdp_txq_queues_mode == EFX_XDP_TX_QUEUES_BORROWED) { + tx_queue = &channel->tx_queue[0]; + rc = efx_set_xdp_tx_queue(efx, xdp_queue_number, tx_queue); + if (rc == 0) + xdp_queue_number++; + } } } } - WARN_ON(xdp_queue_number != efx->xdp_tx_queue_count); + WARN_ON(efx->xdp_txq_queues_mode == EFX_XDP_TX_QUEUES_DEDICATED && + xdp_queue_number != efx->xdp_tx_queue_count); + WARN_ON(efx->xdp_txq_queues_mode != EFX_XDP_TX_QUEUES_DEDICATED && + xdp_queue_number > efx->xdp_tx_queue_count); + + /* If we have more CPUs than assigned XDP TX queues, assign the already + * existing queues to the exceeding CPUs + */ + next_queue = 0; + while (xdp_queue_number < efx->xdp_tx_queue_count) { + tx_queue = efx->xdp_tx_queues[next_queue++]; + rc = efx_set_xdp_tx_queue(efx, xdp_queue_number, tx_queue); + if (rc == 0) + xdp_queue_number++; + } rc = netif_set_real_num_tx_queues(efx->net_dev, efx->n_tx_channels); if (rc) diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 9b4b25704271..f6981810039d 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -782,6 +782,12 @@ struct efx_async_filter_insertion { #define EFX_RPS_MAX_IN_FLIGHT 8 #endif /* CONFIG_RFS_ACCEL */ +enum efx_xdp_tx_queues_mode { + EFX_XDP_TX_QUEUES_DEDICATED, /* one queue per core, locking not needed */ + EFX_XDP_TX_QUEUES_SHARED, /* each queue used by more than 1 core */ + EFX_XDP_TX_QUEUES_BORROWED /* queues borrowed from net stack */ +}; + /** * struct efx_nic - an Efx NIC * @name: Device name (net device name or bus id before net device registered) @@ -820,6 +826,7 @@ struct efx_async_filter_insertion { * should be allocated for this NIC * @xdp_tx_queue_count: Number of entries in %xdp_tx_queues. * @xdp_tx_queues: Array of pointers to tx queues used for XDP transmit. + * @xdp_txq_queues_mode: XDP TX queues sharing strategy. * @rxq_entries: Size of receive queues requested by user. * @txq_entries: Size of transmit queues requested by user. * @txq_stop_thresh: TX queue fill level at or above which we stop it. @@ -979,6 +986,7 @@ struct efx_nic { unsigned int xdp_tx_queue_count; struct efx_tx_queue **xdp_tx_queues; + enum efx_xdp_tx_queues_mode xdp_txq_queues_mode; unsigned rxq_entries; unsigned txq_entries; diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 0c6650d2e239..d16e031e95f4 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -428,23 +428,32 @@ int efx_xdp_tx_buffers(struct efx_nic *efx, int n, struct xdp_frame **xdpfs, unsigned int len; int space; int cpu; - int i; + int i = 0; - cpu = raw_smp_processor_id(); + if (unlikely(n && !xdpfs)) + return -EINVAL; + if (unlikely(!n)) + return 0; - if (!efx->xdp_tx_queue_count || - unlikely(cpu >= efx->xdp_tx_queue_count)) + cpu = raw_smp_processor_id(); + if (unlikely(cpu >= efx->xdp_tx_queue_count)) return -EINVAL; tx_queue = efx->xdp_tx_queues[cpu]; if (unlikely(!tx_queue)) return -EINVAL; - if (unlikely(n && !xdpfs)) - return -EINVAL; + if (efx->xdp_txq_queues_mode != EFX_XDP_TX_QUEUES_DEDICATED) + HARD_TX_LOCK(efx->net_dev, tx_queue->core_txq, cpu); - if (!n) - return 0; + /* If we're borrowing net stack queues we have to handle stop-restart + * or we might block the queue and it will be considered as frozen + */ + if (efx->xdp_txq_queues_mode == EFX_XDP_TX_QUEUES_BORROWED) { + if (netif_tx_queue_stopped(tx_queue->core_txq)) + goto unlock; + efx_tx_maybe_stop_queue(tx_queue); + } /* Check for available space. We should never need multiple * descriptors per frame. @@ -484,6 +493,10 @@ int efx_xdp_tx_buffers(struct efx_nic *efx, int n, struct xdp_frame **xdpfs, if (flush && i > 0) efx_nic_push_buffers(tx_queue); +unlock: + if (efx->xdp_txq_queues_mode != EFX_XDP_TX_QUEUES_DEDICATED) + HARD_TX_UNLOCK(efx->net_dev, tx_queue->core_txq); + return i == 0 ? -EIO : i; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index ed817011a94a..6924a6aacbd5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -21,6 +21,7 @@ #include <linux/delay.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> +#include <linux/pm_runtime.h> #include "stmmac_platform.h" @@ -1528,6 +1529,8 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) return ret; } + pm_runtime_get_sync(dev); + if (bsp_priv->integrated_phy) rk_gmac_integrated_phy_powerup(bsp_priv); @@ -1539,6 +1542,8 @@ static void rk_gmac_powerdown(struct rk_priv_data *gmac) if (gmac->integrated_phy) rk_gmac_integrated_phy_powerdown(gmac); + pm_runtime_put_sync(&gmac->pdev->dev); + phy_power_on(gmac, false); gmac_clk_enable(gmac, false); } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index ece02b35a6ce..eb3b7bf771d7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -309,7 +309,7 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv) priv->clk_csr = STMMAC_CSR_100_150M; else if ((clk_rate >= CSR_F_150M) && (clk_rate < CSR_F_250M)) priv->clk_csr = STMMAC_CSR_150_250M; - else if ((clk_rate >= CSR_F_250M) && (clk_rate < CSR_F_300M)) + else if ((clk_rate >= CSR_F_250M) && (clk_rate <= CSR_F_300M)) priv->clk_csr = STMMAC_CSR_250_300M; } @@ -477,6 +477,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv) stmmac_lpi_entry_timer_config(priv, 0); del_timer_sync(&priv->eee_ctrl_timer); stmmac_set_eee_timer(priv, priv->hw, 0, eee_tw_timer); + if (priv->hw->xpcs) + xpcs_config_eee(priv->hw->xpcs, + priv->plat->mult_fact_100ns, + false); } mutex_unlock(&priv->lock); return false; @@ -486,6 +490,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv) timer_setup(&priv->eee_ctrl_timer, stmmac_eee_ctrl_timer, 0); stmmac_set_eee_timer(priv, priv->hw, STMMAC_DEFAULT_LIT_LS, eee_tw_timer); + if (priv->hw->xpcs) + xpcs_config_eee(priv->hw->xpcs, + priv->plat->mult_fact_100ns, + true); } if (priv->plat->has_gmac4 && priv->tx_lpi_timer <= STMMAC_ET_MAX) { @@ -1034,7 +1042,7 @@ static void stmmac_mac_link_down(struct phylink_config *config, stmmac_mac_set(priv, priv->ioaddr, false); priv->eee_active = false; priv->tx_lpi_enabled = false; - stmmac_eee_init(priv); + priv->eee_enabled = stmmac_eee_init(priv); stmmac_set_eee_pls(priv, priv->hw, false); if (priv->dma_cap.fpesel) @@ -7118,7 +7126,6 @@ int stmmac_suspend(struct device *dev) struct net_device *ndev = dev_get_drvdata(dev); struct stmmac_priv *priv = netdev_priv(ndev); u32 chan; - int ret; if (!ndev || !netif_running(ndev)) return 0; @@ -7150,13 +7157,6 @@ int stmmac_suspend(struct device *dev) } else { stmmac_mac_set(priv, priv->ioaddr, false); pinctrl_pm_select_sleep_state(priv->device); - /* Disable clock in case of PWM is off */ - clk_disable_unprepare(priv->plat->clk_ptp_ref); - ret = pm_runtime_force_suspend(dev); - if (ret) { - mutex_unlock(&priv->lock); - return ret; - } } mutex_unlock(&priv->lock); @@ -7242,12 +7242,6 @@ int stmmac_resume(struct device *dev) priv->irq_wake = 0; } else { pinctrl_pm_select_default_state(priv->device); - /* enable the clk previously disabled */ - ret = pm_runtime_force_resume(dev); - if (ret) - return ret; - if (priv->plat->clk_ptp_ref) - clk_prepare_enable(priv->plat->clk_ptp_ref); /* reset the phy so that it's ready */ if (priv->mii) stmmac_mdio_reset(priv->mii); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 5ca710844cc1..62cec9bfcd33 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -9,6 +9,7 @@ *******************************************************************************/ #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/module.h> #include <linux/io.h> #include <linux/of.h> @@ -771,9 +772,52 @@ static int __maybe_unused stmmac_runtime_resume(struct device *dev) return stmmac_bus_clks_config(priv, true); } +static int __maybe_unused stmmac_pltfr_noirq_suspend(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct stmmac_priv *priv = netdev_priv(ndev); + int ret; + + if (!netif_running(ndev)) + return 0; + + if (!device_may_wakeup(priv->device) || !priv->plat->pmt) { + /* Disable clock in case of PWM is off */ + clk_disable_unprepare(priv->plat->clk_ptp_ref); + + ret = pm_runtime_force_suspend(dev); + if (ret) + return ret; + } + + return 0; +} + +static int __maybe_unused stmmac_pltfr_noirq_resume(struct device *dev) +{ + struct net_device *ndev = dev_get_drvdata(dev); + struct stmmac_priv *priv = netdev_priv(ndev); + int ret; + + if (!netif_running(ndev)) + return 0; + + if (!device_may_wakeup(priv->device) || !priv->plat->pmt) { + /* enable the clk previously disabled */ + ret = pm_runtime_force_resume(dev); + if (ret) + return ret; + + clk_prepare_enable(priv->plat->clk_ptp_ref); + } + + return 0; +} + const struct dev_pm_ops stmmac_pltfr_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(stmmac_pltfr_suspend, stmmac_pltfr_resume) SET_RUNTIME_PM_OPS(stmmac_runtime_suspend, stmmac_runtime_resume, NULL) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(stmmac_pltfr_noirq_suspend, stmmac_pltfr_noirq_resume) }; EXPORT_SYMBOL_GPL(stmmac_pltfr_pm_ops); diff --git a/drivers/net/ethernet/sun/Kconfig b/drivers/net/ethernet/sun/Kconfig index 309de38a7530..b0d3f9a2950c 100644 --- a/drivers/net/ethernet/sun/Kconfig +++ b/drivers/net/ethernet/sun/Kconfig @@ -73,6 +73,7 @@ config CASSINI config SUNVNET_COMMON tristate "Common routines to support Sun Virtual Networking" depends on SUN_LDOMS + depends on INET default m config SUNVNET diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 8fe8887d506a..6192244b304a 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -68,9 +68,9 @@ #define SIXP_DAMA_OFF 0 /* default level 2 parameters */ -#define SIXP_TXDELAY (HZ/4) /* in 1 s */ +#define SIXP_TXDELAY 25 /* 250 ms */ #define SIXP_PERSIST 50 /* in 256ths */ -#define SIXP_SLOTTIME (HZ/10) /* in 1 s */ +#define SIXP_SLOTTIME 10 /* 100 ms */ #define SIXP_INIT_RESYNC_TIMEOUT (3*HZ/2) /* in 1 s */ #define SIXP_RESYNC_TIMEOUT 5*HZ /* in 1 s */ diff --git a/drivers/net/hamradio/Kconfig b/drivers/net/hamradio/Kconfig index f4843f9672c1..441da03c23ee 100644 --- a/drivers/net/hamradio/Kconfig +++ b/drivers/net/hamradio/Kconfig @@ -48,6 +48,7 @@ config BPQETHER config DMASCC tristate "High-speed (DMA) SCC driver for AX.25" depends on ISA && AX25 && BROKEN_ON_SMP && ISA_DMA_API + depends on VIRT_TO_BUS help This is a driver for high-speed SCC boards, i.e. those supporting DMA on one port. You usually use those boards to connect your diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index b50b7fafd8d6..f4c3efc3e074 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -973,7 +973,7 @@ static inline void tx_on(struct scc_priv *priv) flags = claim_dma_lock(); set_dma_mode(priv->param.dma, DMA_MODE_WRITE); set_dma_addr(priv->param.dma, - (int) priv->tx_buf[priv->tx_tail] + n); + virt_to_bus(priv->tx_buf[priv->tx_tail]) + n); set_dma_count(priv->param.dma, priv->tx_len[priv->tx_tail] - n); release_dma_lock(flags); @@ -1020,7 +1020,7 @@ static inline void rx_on(struct scc_priv *priv) flags = claim_dma_lock(); set_dma_mode(priv->param.dma, DMA_MODE_READ); set_dma_addr(priv->param.dma, - (int) priv->rx_buf[priv->rx_head]); + virt_to_bus(priv->rx_buf[priv->rx_head])); set_dma_count(priv->param.dma, BUF_SIZE); release_dma_lock(flags); enable_dma(priv->param.dma); @@ -1233,7 +1233,7 @@ static void special_condition(struct scc_priv *priv, int rc) if (priv->param.dma >= 0) { flags = claim_dma_lock(); set_dma_addr(priv->param.dma, - (int) priv->rx_buf[priv->rx_head]); + virt_to_bus(priv->rx_buf[priv->rx_head])); set_dma_count(priv->param.dma, BUF_SIZE); release_dma_lock(flags); } else { diff --git a/drivers/net/ipa/Kconfig b/drivers/net/ipa/Kconfig index 8f99cfa14680..d037682fb7ad 100644 --- a/drivers/net/ipa/Kconfig +++ b/drivers/net/ipa/Kconfig @@ -4,6 +4,7 @@ config QCOM_IPA depends on ARCH_QCOM || COMPILE_TEST depends on QCOM_RPROC_COMMON || (QCOM_RPROC_COMMON=n && COMPILE_TEST) select QCOM_MDT_LOADER if ARCH_QCOM + select QCOM_SCM select QCOM_QMI_HELPERS help Choose Y or M here to include support for the Qualcomm diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 2324e1b93e37..1da334f54944 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -430,7 +430,8 @@ static void ipa_table_init_add(struct gsi_trans *trans, bool filter, * table region determines the number of entries it has. */ if (filter) { - count = hweight32(ipa->filter_map); + /* Include one extra "slot" to hold the filter map itself */ + count = 1 + hweight32(ipa->filter_map); hash_count = hash_mem->size ? count : 0; } else { count = mem->size / sizeof(__le64); diff --git a/drivers/net/mdio/mdio-ipq4019.c b/drivers/net/mdio/mdio-ipq4019.c index 0d7d3e15d2f0..5f4cd24a0241 100644 --- a/drivers/net/mdio/mdio-ipq4019.c +++ b/drivers/net/mdio/mdio-ipq4019.c @@ -207,6 +207,7 @@ static int ipq4019_mdio_probe(struct platform_device *pdev) { struct ipq4019_mdio_data *priv; struct mii_bus *bus; + struct resource *res; int ret; bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*priv)); @@ -224,7 +225,10 @@ static int ipq4019_mdio_probe(struct platform_device *pdev) return PTR_ERR(priv->mdio_clk); /* The platform resource is provided on the chipset IPQ5018 */ - priv->eth_ldo_rdy = devm_platform_ioremap_resource(pdev, 1); + /* This resource is optional */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (res) + priv->eth_ldo_rdy = devm_ioremap_resource(&pdev->dev, res); bus->name = "ipq4019_mdio"; bus->read = ipq4019_mdio_read; diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c index 1ee592d3eae4..17f98f609ec8 100644 --- a/drivers/net/mdio/mdio-mscc-miim.c +++ b/drivers/net/mdio/mdio-mscc-miim.c @@ -134,8 +134,9 @@ static int mscc_miim_reset(struct mii_bus *bus) static int mscc_miim_probe(struct platform_device *pdev) { - struct mii_bus *bus; struct mscc_miim_dev *dev; + struct resource *res; + struct mii_bus *bus; int ret; bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*dev)); @@ -156,10 +157,14 @@ static int mscc_miim_probe(struct platform_device *pdev) return PTR_ERR(dev->regs); } - dev->phy_regs = devm_platform_ioremap_resource(pdev, 1); - if (IS_ERR(dev->phy_regs)) { - dev_err(&pdev->dev, "Unable to map internal phy registers\n"); - return PTR_ERR(dev->phy_regs); + /* This resource is optional */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (res) { + dev->phy_regs = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(dev->phy_regs)) { + dev_err(&pdev->dev, "Unable to map internal phy registers\n"); + return PTR_ERR(dev->phy_regs); + } } ret = of_mdiobus_register(bus, pdev->dev.of_node); diff --git a/drivers/net/mhi_net.c b/drivers/net/mhi_net.c index d127eb6e9257..aaa628f859fd 100644 --- a/drivers/net/mhi_net.c +++ b/drivers/net/mhi_net.c @@ -321,7 +321,7 @@ static int mhi_net_newlink(struct mhi_device *mhi_dev, struct net_device *ndev) /* Start MHI channels */ err = mhi_prepare_for_transfer(mhi_dev); if (err) - goto out_err; + return err; /* Number of transfer descriptors determines size of the queue */ mhi_netdev->rx_queue_sz = mhi_get_free_desc_count(mhi_dev, DMA_FROM_DEVICE); @@ -331,10 +331,6 @@ static int mhi_net_newlink(struct mhi_device *mhi_dev, struct net_device *ndev) return err; return 0; - -out_err: - free_netdev(ndev); - return err; } static void mhi_net_dellink(struct mhi_device *mhi_dev, struct net_device *ndev) diff --git a/drivers/net/pcs/pcs-xpcs-nxp.c b/drivers/net/pcs/pcs-xpcs-nxp.c index 984c9f7f16a8..d16fc58cd48d 100644 --- a/drivers/net/pcs/pcs-xpcs-nxp.c +++ b/drivers/net/pcs/pcs-xpcs-nxp.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2021 NXP Semiconductors +/* Copyright 2021 NXP */ #include <linux/pcs/pcs-xpcs.h> #include "pcs-xpcs.h" diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index fb0a83dc09ac..7de631f5356f 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -666,6 +666,10 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable) { int ret; + ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_EEE_MCTRL0); + if (ret < 0) + return ret; + if (enable) { /* Enable EEE */ ret = DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN | @@ -673,9 +677,6 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable) DW_VR_MII_EEE_TX_EN_CTRL | DW_VR_MII_EEE_RX_EN_CTRL | mult_fact_100ns << DW_VR_MII_EEE_MULT_FACT_100NS_SHIFT; } else { - ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_EEE_MCTRL0); - if (ret < 0) - return ret; ret &= ~(DW_VR_MII_EEE_LTX_EN | DW_VR_MII_EEE_LRX_EN | DW_VR_MII_EEE_TX_QUIET_EN | DW_VR_MII_EEE_RX_QUIET_EN | DW_VR_MII_EEE_TX_EN_CTRL | DW_VR_MII_EEE_RX_EN_CTRL | @@ -690,21 +691,28 @@ int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable) if (ret < 0) return ret; - ret |= DW_VR_MII_EEE_TRN_LPI; + if (enable) + ret |= DW_VR_MII_EEE_TRN_LPI; + else + ret &= ~DW_VR_MII_EEE_TRN_LPI; + return xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_EEE_MCTRL1, ret); } EXPORT_SYMBOL_GPL(xpcs_config_eee); static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode) { - int ret; + int ret, mdio_ctrl; /* For AN for C37 SGMII mode, the settings are :- - * 1) VR_MII_AN_CTRL Bit(2:1)[PCS_MODE] = 10b (SGMII AN) - * 2) VR_MII_AN_CTRL Bit(3) [TX_CONFIG] = 0b (MAC side SGMII) + * 1) VR_MII_MMD_CTRL Bit(12) [AN_ENABLE] = 0b (Disable SGMII AN in case + it is already enabled) + * 2) VR_MII_AN_CTRL Bit(2:1)[PCS_MODE] = 10b (SGMII AN) + * 3) VR_MII_AN_CTRL Bit(3) [TX_CONFIG] = 0b (MAC side SGMII) * DW xPCS used with DW EQoS MAC is always MAC side SGMII. - * 3) VR_MII_DIG_CTRL1 Bit(9) [MAC_AUTO_SW] = 1b (Automatic + * 4) VR_MII_DIG_CTRL1 Bit(9) [MAC_AUTO_SW] = 1b (Automatic * speed/duplex mode change by HW after SGMII AN complete) + * 5) VR_MII_MMD_CTRL Bit(12) [AN_ENABLE] = 1b (Enable SGMII AN) * * Note: Since it is MAC side SGMII, there is no need to set * SR_MII_AN_ADV. MAC side SGMII receives AN Tx Config from @@ -712,6 +720,17 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode) * between PHY and Link Partner. There is also no need to * trigger AN restart for MAC-side SGMII. */ + mdio_ctrl = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_CTRL); + if (mdio_ctrl < 0) + return mdio_ctrl; + + if (mdio_ctrl & AN_CL37_EN) { + ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_CTRL, + mdio_ctrl & ~AN_CL37_EN); + if (ret < 0) + return ret; + } + ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_AN_CTRL); if (ret < 0) return ret; @@ -736,7 +755,15 @@ static int xpcs_config_aneg_c37_sgmii(struct dw_xpcs *xpcs, unsigned int mode) else ret &= ~DW_VR_MII_DIG_CTRL1_MAC_AUTO_SW; - return xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_DIG_CTRL1, ret); + ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_DIG_CTRL1, ret); + if (ret < 0) + return ret; + + if (phylink_autoneg_inband(mode)) + ret = xpcs_write(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_CTRL, + mdio_ctrl | AN_CL37_EN); + + return ret; } static int xpcs_config_2500basex(struct dw_xpcs *xpcs) diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index e79297a4bae8..27b6a3f507ae 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -27,7 +27,12 @@ #define MII_BCM7XXX_SHD_2_ADDR_CTRL 0xe #define MII_BCM7XXX_SHD_2_CTRL_STAT 0xf #define MII_BCM7XXX_SHD_2_BIAS_TRIM 0x1a +#define MII_BCM7XXX_SHD_3_PCS_CTRL 0x0 +#define MII_BCM7XXX_SHD_3_PCS_STATUS 0x1 +#define MII_BCM7XXX_SHD_3_EEE_CAP 0x2 #define MII_BCM7XXX_SHD_3_AN_EEE_ADV 0x3 +#define MII_BCM7XXX_SHD_3_EEE_LP 0x4 +#define MII_BCM7XXX_SHD_3_EEE_WK_ERR 0x5 #define MII_BCM7XXX_SHD_3_PCS_CTRL_2 0x6 #define MII_BCM7XXX_PCS_CTRL_2_DEF 0x4400 #define MII_BCM7XXX_SHD_3_AN_STAT 0xb @@ -216,25 +221,37 @@ static int bcm7xxx_28nm_resume(struct phy_device *phydev) return genphy_config_aneg(phydev); } -static int phy_set_clr_bits(struct phy_device *dev, int location, - int set_mask, int clr_mask) +static int __phy_set_clr_bits(struct phy_device *dev, int location, + int set_mask, int clr_mask) { int v, ret; - v = phy_read(dev, location); + v = __phy_read(dev, location); if (v < 0) return v; v &= ~clr_mask; v |= set_mask; - ret = phy_write(dev, location, v); + ret = __phy_write(dev, location, v); if (ret < 0) return ret; return v; } +static int phy_set_clr_bits(struct phy_device *dev, int location, + int set_mask, int clr_mask) +{ + int ret; + + mutex_lock(&dev->mdio.bus->mdio_lock); + ret = __phy_set_clr_bits(dev, location, set_mask, clr_mask); + mutex_unlock(&dev->mdio.bus->mdio_lock); + + return ret; +} + static int bcm7xxx_28nm_ephy_01_afe_config_init(struct phy_device *phydev) { int ret; @@ -398,6 +415,93 @@ static int bcm7xxx_28nm_ephy_config_init(struct phy_device *phydev) return bcm7xxx_28nm_ephy_apd_enable(phydev); } +#define MII_BCM7XXX_REG_INVALID 0xff + +static u8 bcm7xxx_28nm_ephy_regnum_to_shd(u16 regnum) +{ + switch (regnum) { + case MDIO_CTRL1: + return MII_BCM7XXX_SHD_3_PCS_CTRL; + case MDIO_STAT1: + return MII_BCM7XXX_SHD_3_PCS_STATUS; + case MDIO_PCS_EEE_ABLE: + return MII_BCM7XXX_SHD_3_EEE_CAP; + case MDIO_AN_EEE_ADV: + return MII_BCM7XXX_SHD_3_AN_EEE_ADV; + case MDIO_AN_EEE_LPABLE: + return MII_BCM7XXX_SHD_3_EEE_LP; + case MDIO_PCS_EEE_WK_ERR: + return MII_BCM7XXX_SHD_3_EEE_WK_ERR; + default: + return MII_BCM7XXX_REG_INVALID; + } +} + +static bool bcm7xxx_28nm_ephy_dev_valid(int devnum) +{ + return devnum == MDIO_MMD_AN || devnum == MDIO_MMD_PCS; +} + +static int bcm7xxx_28nm_ephy_read_mmd(struct phy_device *phydev, + int devnum, u16 regnum) +{ + u8 shd = bcm7xxx_28nm_ephy_regnum_to_shd(regnum); + int ret; + + if (!bcm7xxx_28nm_ephy_dev_valid(devnum) || + shd == MII_BCM7XXX_REG_INVALID) + return -EOPNOTSUPP; + + /* set shadow mode 2 */ + ret = __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, + MII_BCM7XXX_SHD_MODE_2, 0); + if (ret < 0) + return ret; + + /* Access the desired shadow register address */ + ret = __phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, shd); + if (ret < 0) + goto reset_shadow_mode; + + ret = __phy_read(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT); + +reset_shadow_mode: + /* reset shadow mode 2 */ + __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, + MII_BCM7XXX_SHD_MODE_2); + return ret; +} + +static int bcm7xxx_28nm_ephy_write_mmd(struct phy_device *phydev, + int devnum, u16 regnum, u16 val) +{ + u8 shd = bcm7xxx_28nm_ephy_regnum_to_shd(regnum); + int ret; + + if (!bcm7xxx_28nm_ephy_dev_valid(devnum) || + shd == MII_BCM7XXX_REG_INVALID) + return -EOPNOTSUPP; + + /* set shadow mode 2 */ + ret = __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, + MII_BCM7XXX_SHD_MODE_2, 0); + if (ret < 0) + return ret; + + /* Access the desired shadow register address */ + ret = __phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, shd); + if (ret < 0) + goto reset_shadow_mode; + + /* Write the desired value in the shadow register */ + __phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, val); + +reset_shadow_mode: + /* reset shadow mode 2 */ + return __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0, + MII_BCM7XXX_SHD_MODE_2); +} + static int bcm7xxx_28nm_ephy_resume(struct phy_device *phydev) { int ret; @@ -595,6 +699,8 @@ static void bcm7xxx_28nm_remove(struct phy_device *phydev) .get_stats = bcm7xxx_28nm_get_phy_stats, \ .probe = bcm7xxx_28nm_probe, \ .remove = bcm7xxx_28nm_remove, \ + .read_mmd = bcm7xxx_28nm_ephy_read_mmd, \ + .write_mmd = bcm7xxx_28nm_ephy_write_mmd, \ } #define BCM7XXX_40NM_EPHY(_oui, _name) \ diff --git a/drivers/net/phy/dp83640_reg.h b/drivers/net/phy/dp83640_reg.h index 21aa24c741b9..daae7fa58fb8 100644 --- a/drivers/net/phy/dp83640_reg.h +++ b/drivers/net/phy/dp83640_reg.h @@ -5,7 +5,7 @@ #ifndef HAVE_DP83640_REGISTERS #define HAVE_DP83640_REGISTERS -#define PAGE0 0x0000 +/* #define PAGE0 0x0000 */ #define PHYCR2 0x001c /* PHY Control Register 2 */ #define PAGE4 0x0004 diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 53f034fc2ef7..6865d9319197 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -525,6 +525,10 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) NULL == bus->read || NULL == bus->write) return -EINVAL; + if (bus->parent && bus->parent->of_node) + bus->parent->of_node->fwnode.flags |= + FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD; + BUG_ON(bus->state != MDIOBUS_ALLOCATED && bus->state != MDIOBUS_UNREGISTERED); @@ -534,6 +538,13 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) bus->dev.groups = NULL; dev_set_name(&bus->dev, "%s", bus->id); + /* We need to set state to MDIOBUS_UNREGISTERED to correctly release + * the device in mdiobus_free() + * + * State will be updated later in this function in case of success + */ + bus->state = MDIOBUS_UNREGISTERED; + err = device_register(&bus->dev); if (err) { pr_err("mii_bus %s failed to register\n", bus->id); diff --git a/drivers/net/phy/mdio_device.c b/drivers/net/phy/mdio_device.c index c94cb5382dc9..250742ffdfd9 100644 --- a/drivers/net/phy/mdio_device.c +++ b/drivers/net/phy/mdio_device.c @@ -179,6 +179,16 @@ static int mdio_remove(struct device *dev) return 0; } +static void mdio_shutdown(struct device *dev) +{ + struct mdio_device *mdiodev = to_mdio_device(dev); + struct device_driver *drv = mdiodev->dev.driver; + struct mdio_driver *mdiodrv = to_mdio_driver(drv); + + if (mdiodrv->shutdown) + mdiodrv->shutdown(mdiodev); +} + /** * mdio_driver_register - register an mdio_driver with the MDIO layer * @drv: new mdio_driver to register @@ -193,6 +203,7 @@ int mdio_driver_register(struct mdio_driver *drv) mdiodrv->driver.bus = &mdio_bus_type; mdiodrv->driver.probe = mdio_probe; mdiodrv->driver.remove = mdio_remove; + mdiodrv->driver.shutdown = mdio_shutdown; retval = driver_register(&mdiodrv->driver); if (retval) { diff --git a/drivers/net/phy/mxl-gpy.c b/drivers/net/phy/mxl-gpy.c index 2d5d5081c3b6..5ce1bf03bbd7 100644 --- a/drivers/net/phy/mxl-gpy.c +++ b/drivers/net/phy/mxl-gpy.c @@ -493,6 +493,25 @@ static int gpy_loopback(struct phy_device *phydev, bool enable) return ret; } +static int gpy115_loopback(struct phy_device *phydev, bool enable) +{ + int ret; + int fw_minor; + + if (enable) + return gpy_loopback(phydev, enable); + + ret = phy_read(phydev, PHY_FWV); + if (ret < 0) + return ret; + + fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, ret); + if (fw_minor > 0x0076) + return gpy_loopback(phydev, 0); + + return genphy_soft_reset(phydev); +} + static struct phy_driver gpy_drivers[] = { { PHY_ID_MATCH_MODEL(PHY_ID_GPY2xx), @@ -527,7 +546,7 @@ static struct phy_driver gpy_drivers[] = { .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, - .set_loopback = gpy_loopback, + .set_loopback = gpy115_loopback, }, { PHY_ID_MATCH_MODEL(PHY_ID_GPY115C), @@ -544,7 +563,7 @@ static struct phy_driver gpy_drivers[] = { .handle_interrupt = gpy_handle_interrupt, .set_wol = gpy_set_wol, .get_wol = gpy_get_wol, - .set_loopback = gpy_loopback, + .set_loopback = gpy115_loopback, }, { .phy_id = PHY_ID_GPY211B, diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 9e2891d8e8dd..ba5ad86ec826 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -233,9 +233,11 @@ static DEFINE_MUTEX(phy_fixup_lock); static bool mdio_bus_phy_may_suspend(struct phy_device *phydev) { + struct device_driver *drv = phydev->mdio.dev.driver; + struct phy_driver *phydrv = to_phy_driver(drv); struct net_device *netdev = phydev->attached_dev; - if (!phydev->drv->suspend) + if (!drv || !phydrv->suspend) return false; /* PHY not attached? May suspend if the PHY has not already been diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index a1464b764d4d..0a0abe8e4be0 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1607,6 +1607,32 @@ int phylink_ethtool_ksettings_set(struct phylink *pl, if (config.an_enabled && phylink_is_empty_linkmode(config.advertising)) return -EINVAL; + /* If this link is with an SFP, ensure that changes to advertised modes + * also cause the associated interface to be selected such that the + * link can be configured correctly. + */ + if (pl->sfp_port && pl->sfp_bus) { + config.interface = sfp_select_interface(pl->sfp_bus, + config.advertising); + if (config.interface == PHY_INTERFACE_MODE_NA) { + phylink_err(pl, + "selection of interface failed, advertisement %*pb\n", + __ETHTOOL_LINK_MODE_MASK_NBITS, + config.advertising); + return -EINVAL; + } + + /* Revalidate with the selected interface */ + linkmode_copy(support, pl->supported); + if (phylink_validate(pl, support, &config)) { + phylink_err(pl, "validation of %s/%s with support %*pb failed\n", + phylink_an_mode_str(pl->cur_link_an_mode), + phy_modes(config.interface), + __ETHTOOL_LINK_MODE_MASK_NBITS, support); + return -EINVAL; + } + } + mutex_lock(&pl->state_mutex); pl->link_config.speed = config.speed; pl->link_config.duplex = config.duplex; @@ -2186,7 +2212,9 @@ static int phylink_sfp_config(struct phylink *pl, u8 mode, if (phy_interface_mode_is_8023z(iface) && pl->phydev) return -EINVAL; - changed = !linkmode_equal(pl->supported, support); + changed = !linkmode_equal(pl->supported, support) || + !linkmode_equal(pl->link_config.advertising, + config.advertising); if (changed) { linkmode_copy(pl->supported, support); linkmode_copy(pl->link_config.advertising, config.advertising); diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index 34e90216bd2c..ab77a9f439ef 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -134,7 +134,7 @@ static const char * const sm_state_strings[] = { [SFP_S_LINK_UP] = "link_up", [SFP_S_TX_FAULT] = "tx_fault", [SFP_S_REINIT] = "reinit", - [SFP_S_TX_DISABLE] = "rx_disable", + [SFP_S_TX_DISABLE] = "tx_disable", }; static const char *sm_state_to_str(unsigned short sm_state) diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index a57251ba5991..f97813a4e8d1 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2719,14 +2719,14 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface, serial = kzalloc(sizeof(*serial), GFP_KERNEL); if (!serial) - goto exit; + goto err_free_dev; hso_dev->port_data.dev_serial = serial; serial->parent = hso_dev; if (hso_serial_common_create (serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE)) - goto exit; + goto err_free_serial; serial->tx_data_length--; serial->write_data = hso_mux_serial_write_data; @@ -2742,11 +2742,9 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface, /* done, return it */ return hso_dev; -exit: - if (serial) { - tty_unregister_device(tty_drv, serial->minor); - kfree(serial); - } +err_free_serial: + kfree(serial); +err_free_dev: kfree(hso_dev); return NULL; diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 60ba9b734055..f329e39100a7 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -767,6 +767,7 @@ enum rtl8152_flags { PHY_RESET, SCHEDULE_TASKLET, GREEN_ETHERNET, + RX_EPROTO, }; #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2 0x3082 @@ -1770,6 +1771,14 @@ static void read_bulk_callback(struct urb *urb) rtl_set_unplug(tp); netif_device_detach(tp->netdev); return; + case -EPROTO: + urb->actual_length = 0; + spin_lock_irqsave(&tp->rx_lock, flags); + list_add_tail(&agg->list, &tp->rx_done); + spin_unlock_irqrestore(&tp->rx_lock, flags); + set_bit(RX_EPROTO, &tp->flags); + schedule_delayed_work(&tp->schedule, 1); + return; case -ENOENT: return; /* the urb is in unlink state */ case -ETIME: @@ -2425,6 +2434,7 @@ static int rx_bottom(struct r8152 *tp, int budget) if (list_empty(&tp->rx_done)) goto out1; + clear_bit(RX_EPROTO, &tp->flags); INIT_LIST_HEAD(&rx_queue); spin_lock_irqsave(&tp->rx_lock, flags); list_splice_init(&tp->rx_done, &rx_queue); @@ -2441,7 +2451,7 @@ static int rx_bottom(struct r8152 *tp, int budget) agg = list_entry(cursor, struct rx_agg, list); urb = agg->urb; - if (urb->actual_length < ETH_ZLEN) + if (urb->status != 0 || urb->actual_length < ETH_ZLEN) goto submit; agg_free = rtl_get_free_rx(tp, GFP_ATOMIC); @@ -6643,6 +6653,10 @@ static void rtl_work_func_t(struct work_struct *work) netif_carrier_ok(tp->netdev)) tasklet_schedule(&tp->tx_tl); + if (test_and_clear_bit(RX_EPROTO, &tp->flags) && + !list_empty(&tp->rx_done)) + napi_schedule(&tp->napi); + mutex_unlock(&tp->control); out1: diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 7d953974eb9b..26b1bd8e845b 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1178,7 +1178,10 @@ static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) static void smsc95xx_handle_link_change(struct net_device *net) { + struct usbnet *dev = netdev_priv(net); + phy_print_status(net->phydev); + usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); } static int smsc95xx_start_phy(struct usbnet *dev) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 271d38c1d9f8..79bd2585ec6b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -423,6 +423,10 @@ static struct sk_buff *page_to_skb(struct virtnet_info *vi, skb_reserve(skb, p - buf); skb_put(skb, len); + + page = (struct page *)page->private; + if (page) + give_pages(rq, page); goto ok; } diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 5a8df5a195cb..141635a35c28 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -4756,12 +4756,12 @@ static void __net_exit vxlan_exit_batch_net(struct list_head *net_list) LIST_HEAD(list); unsigned int h; - rtnl_lock(); list_for_each_entry(net, net_list, exit_list) { struct vxlan_net *vn = net_generic(net, vxlan_net_id); unregister_nexthop_notifier(net, &vn->nexthop_notifier_block); } + rtnl_lock(); list_for_each_entry(net, net_list, exit_list) vxlan_destroy_tunnels(net, &list); diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile index f6b92efffc94..480bcd1f6c1c 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -34,6 +34,8 @@ obj-$(CONFIG_SLIC_DS26522) += slic_ds26522.o clean-files := wanxlfw.inc $(obj)/wanxl.o: $(obj)/wanxlfw.inc +CROSS_COMPILE_M68K = m68k-linux-gnu- + ifeq ($(CONFIG_WANXL_BUILD_FIRMWARE),y) ifeq ($(ARCH),m68k) M68KCC = $(CC) diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index 741289e385d5..ca007b800f75 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -44,7 +44,7 @@ config ATH10K_SNOC tristate "Qualcomm ath10k SNOC support" depends on ATH10K depends on ARCH_QCOM || COMPILE_TEST - depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y + select QCOM_SCM select QCOM_QMI_HELPERS help This module adds support for integrated WCN3990 chip connected diff --git a/drivers/net/wireless/ath/ath5k/Kconfig b/drivers/net/wireless/ath/ath5k/Kconfig index f35cd8de228e..6914b37bb0fb 100644 --- a/drivers/net/wireless/ath/ath5k/Kconfig +++ b/drivers/net/wireless/ath/ath5k/Kconfig @@ -3,9 +3,7 @@ config ATH5K tristate "Atheros 5xxx wireless cards support" depends on (PCI || ATH25) && MAC80211 select ATH_COMMON - select MAC80211_LEDS - select LEDS_CLASS - select NEW_LEDS + select MAC80211_LEDS if LEDS_CLASS=y || LEDS_CLASS=MAC80211 select ATH5K_AHB if ATH25 select ATH5K_PCI if !ATH25 help diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c index 6a2a16856763..33e9928af363 100644 --- a/drivers/net/wireless/ath/ath5k/led.c +++ b/drivers/net/wireless/ath/ath5k/led.c @@ -89,7 +89,8 @@ static const struct pci_device_id ath5k_led_devices[] = { void ath5k_led_enable(struct ath5k_hw *ah) { - if (test_bit(ATH_STAT_LEDSOFT, ah->status)) { + if (IS_ENABLED(CONFIG_MAC80211_LEDS) && + test_bit(ATH_STAT_LEDSOFT, ah->status)) { ath5k_hw_set_gpio_output(ah, ah->led_pin); ath5k_led_off(ah); } @@ -104,7 +105,8 @@ static void ath5k_led_on(struct ath5k_hw *ah) void ath5k_led_off(struct ath5k_hw *ah) { - if (!test_bit(ATH_STAT_LEDSOFT, ah->status)) + if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || + !test_bit(ATH_STAT_LEDSOFT, ah->status)) return; ath5k_hw_set_gpio(ah, ah->led_pin, !ah->led_on); } @@ -146,7 +148,7 @@ ath5k_register_led(struct ath5k_hw *ah, struct ath5k_led *led, static void ath5k_unregister_led(struct ath5k_led *led) { - if (!led->ah) + if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || !led->ah) return; led_classdev_unregister(&led->led_dev); ath5k_led_off(led->ah); @@ -169,7 +171,7 @@ int ath5k_init_leds(struct ath5k_hw *ah) char name[ATH5K_LED_MAX_NAME_LEN + 1]; const struct pci_device_id *match; - if (!ah->pdev) + if (!IS_ENABLED(CONFIG_MAC80211_LEDS) || !ah->pdev) return 0; #ifdef CONFIG_ATH5K_AHB diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index f7b96cd69242..9db12ffd2ff8 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -7463,23 +7463,18 @@ static s32 brcmf_translate_country_code(struct brcmf_pub *drvr, char alpha2[2], s32 found_index; int i; + country_codes = drvr->settings->country_codes; + if (!country_codes) { + brcmf_dbg(TRACE, "No country codes configured for device\n"); + return -EINVAL; + } + if ((alpha2[0] == ccreq->country_abbrev[0]) && (alpha2[1] == ccreq->country_abbrev[1])) { brcmf_dbg(TRACE, "Country code already set\n"); return -EAGAIN; } - country_codes = drvr->settings->country_codes; - if (!country_codes) { - brcmf_dbg(TRACE, "No country codes configured for device, using ISO3166 code and 0 rev\n"); - memset(ccreq, 0, sizeof(*ccreq)); - ccreq->country_abbrev[0] = alpha2[0]; - ccreq->country_abbrev[1] = alpha2[1]; - ccreq->ccode[0] = alpha2[0]; - ccreq->ccode[1] = alpha2[1]; - return 0; - } - found_index = -1; for (i = 0; i < country_codes->table_size; i++) { cc = &country_codes->table[i]; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 0e97d5e6c644..9f706fffb592 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -160,6 +160,7 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, mvm->ptk_icvlen = key->icv_len; mvm->gtk_ivlen = key->iv_len; mvm->gtk_icvlen = key->icv_len; + mutex_unlock(&mvm->mutex); /* don't upload key again */ return; @@ -360,11 +361,11 @@ static void iwl_mvm_wowlan_get_rsc_v5_data(struct ieee80211_hw *hw, if (sta) { rsc = data->rsc->ucast_rsc; } else { - if (WARN_ON(data->gtks > ARRAY_SIZE(data->gtk_ids))) + if (WARN_ON(data->gtks >= ARRAY_SIZE(data->gtk_ids))) return; data->gtk_ids[data->gtks] = key->keyidx; rsc = data->rsc->mcast_rsc[data->gtks % 2]; - if (WARN_ON(key->keyidx > + if (WARN_ON(key->keyidx >= ARRAY_SIZE(data->rsc->mcast_key_id_map))) return; data->rsc->mcast_key_id_map[key->keyidx] = data->gtks % 2; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c index 25af88a3edce..e91f8e889df7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c @@ -662,12 +662,13 @@ static bool __iwl_mvm_remove_time_event(struct iwl_mvm *mvm, u32 *uid) { u32 id; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); + struct iwl_mvm_vif *mvmvif; enum nl80211_iftype iftype; if (!te_data->vif) return false; + mvmvif = iwl_mvm_vif_from_mac80211(te_data->vif); iftype = te_data->vif->type; /* diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 61b2797a34a8..e3996ff99bad 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -547,6 +547,8 @@ static const struct iwl_dev_info iwl_dev_info_table[] = { IWL_DEV_INFO(0x43F0, 0x0074, iwl_ax201_cfg_qu_hr, NULL), IWL_DEV_INFO(0x43F0, 0x0078, iwl_ax201_cfg_qu_hr, NULL), IWL_DEV_INFO(0x43F0, 0x007C, iwl_ax201_cfg_qu_hr, NULL), + IWL_DEV_INFO(0x43F0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, iwl_ax201_killer_1650s_name), + IWL_DEV_INFO(0x43F0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, iwl_ax201_killer_1650i_name), IWL_DEV_INFO(0x43F0, 0x2074, iwl_ax201_cfg_qu_hr, NULL), IWL_DEV_INFO(0x43F0, 0x4070, iwl_ax201_cfg_qu_hr, NULL), IWL_DEV_INFO(0xA0F0, 0x0070, iwl_ax201_cfg_qu_hr, NULL), diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index ffa894f7312a..0adae76eb8df 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1867,8 +1867,8 @@ mac80211_hwsim_beacon(struct hrtimer *timer) bcn_int -= data->bcn_delta; data->bcn_delta = 0; } - hrtimer_forward(&data->beacon_timer, hrtimer_get_expires(timer), - ns_to_ktime(bcn_int * NSEC_PER_USEC)); + hrtimer_forward_now(&data->beacon_timer, + ns_to_ktime(bcn_int * NSEC_PER_USEC)); return HRTIMER_RESTART; } diff --git a/drivers/net/wireless/marvell/mwifiex/sta_tx.c b/drivers/net/wireless/marvell/mwifiex/sta_tx.c index 241305377e20..a9b5eb992220 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_tx.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_tx.c @@ -62,8 +62,8 @@ void *mwifiex_process_sta_txpd(struct mwifiex_private *priv, pkt_type = mwifiex_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; - pad = ((void *)skb->data - (sizeof(*local_tx_pd) + hroom)- - NULL) & (MWIFIEX_DMA_ALIGN_SZ - 1); + pad = ((uintptr_t)skb->data - (sizeof(*local_tx_pd) + hroom)) & + (MWIFIEX_DMA_ALIGN_SZ - 1); skb_push(skb, sizeof(*local_tx_pd) + pad); local_tx_pd = (struct txpd *) skb->data; diff --git a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c index 9bbdb8dfce62..245ff644f81e 100644 --- a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c @@ -475,8 +475,8 @@ void *mwifiex_process_uap_txpd(struct mwifiex_private *priv, pkt_type = mwifiex_is_skb_mgmt_frame(skb) ? PKT_TYPE_MGMT : 0; - pad = ((void *)skb->data - (sizeof(*txpd) + hroom) - NULL) & - (MWIFIEX_DMA_ALIGN_SZ - 1); + pad = ((uintptr_t)skb->data - (sizeof(*txpd) + hroom)) & + (MWIFIEX_DMA_ALIGN_SZ - 1); skb_push(skb, sizeof(*txpd) + pad); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 39a01c2a3058..32d5bc4919d8 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -499,7 +499,7 @@ check_frags: * the header's copy failed, and they are * sharing a slot, send an error */ - if (i == 0 && sharedslot) + if (i == 0 && !first_shinfo && sharedslot) xenvif_idx_release(queue, pending_idx, XEN_NETIF_RSP_ERROR); else diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c index a620c34790e6..0875b773fb41 100644 --- a/drivers/nfc/st-nci/spi.c +++ b/drivers/nfc/st-nci/spi.c @@ -278,6 +278,7 @@ static int st_nci_spi_remove(struct spi_device *dev) static struct spi_device_id st_nci_spi_id_table[] = { {ST_NCI_SPI_DRIVER_NAME, 0}, + {"st21nfcb-spi", 0}, {} }; MODULE_DEVICE_TABLE(spi, st_nci_spi_id_table); diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 72de88ff0d30..ef4950f80832 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -380,7 +380,6 @@ static int pmem_attach_disk(struct device *dev, struct nd_pfn_sb *pfn_sb; struct pmem_device *pmem; struct request_queue *q; - struct device *gendev; struct gendisk *disk; void *addr; int rc; @@ -489,10 +488,8 @@ static int pmem_attach_disk(struct device *dev, } dax_write_cache(dax_dev, nvdimm_has_cache(nd_region)); pmem->dax_dev = dax_dev; - gendev = disk_to_dev(disk); - gendev->groups = pmem_attribute_groups; - device_add_disk(dev, disk, NULL); + device_add_disk(dev, disk, pmem_attribute_groups); if (devm_add_action_or_reset(dev, pmem_release_disk, pmem)) return -ENOMEM; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 7efb31b87f37..7712a8f78337 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -13,7 +13,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/backing-dev.h> -#include <linux/list_sort.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/pr.h> @@ -979,6 +978,7 @@ EXPORT_SYMBOL_GPL(nvme_cleanup_cmd); blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req) { struct nvme_command *cmd = nvme_req(req)->cmd; + struct nvme_ctrl *ctrl = nvme_req(req)->ctrl; blk_status_t ret = BLK_STS_OK; if (!(req->rq_flags & RQF_DONTPREP)) { @@ -1027,7 +1027,8 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req) return BLK_STS_IOERR; } - nvme_req(req)->genctr++; + if (!(ctrl->quirks & NVME_QUIRK_SKIP_CID_GEN)) + nvme_req(req)->genctr++; cmd->common.command_id = nvme_cid(req); trace_nvme_setup_cmd(req, cmd); return ret; @@ -3524,7 +3525,9 @@ static struct nvme_ns_head *nvme_find_ns_head(struct nvme_subsystem *subsys, lockdep_assert_held(&subsys->lock); list_for_each_entry(h, &subsys->nsheads, entry) { - if (h->ns_id == nsid && nvme_tryget_ns_head(h)) + if (h->ns_id != nsid) + continue; + if (!list_empty(&h->list) && nvme_tryget_ns_head(h)) return h; } @@ -3714,15 +3717,6 @@ out_unlock: return ret; } -static int ns_cmp(void *priv, const struct list_head *a, - const struct list_head *b) -{ - struct nvme_ns *nsa = container_of(a, struct nvme_ns, list); - struct nvme_ns *nsb = container_of(b, struct nvme_ns, list); - - return nsa->head->ns_id - nsb->head->ns_id; -} - struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) { struct nvme_ns *ns, *ret = NULL; @@ -3743,6 +3737,22 @@ struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid) } EXPORT_SYMBOL_NS_GPL(nvme_find_get_ns, NVME_TARGET_PASSTHRU); +/* + * Add the namespace to the controller list while keeping the list ordered. + */ +static void nvme_ns_add_to_ctrl_list(struct nvme_ns *ns) +{ + struct nvme_ns *tmp; + + list_for_each_entry_reverse(tmp, &ns->ctrl->namespaces, list) { + if (tmp->head->ns_id < ns->head->ns_id) { + list_add(&ns->list, &tmp->list); + return; + } + } + list_add(&ns->list, &ns->ctrl->namespaces); +} + static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, struct nvme_ns_ids *ids) { @@ -3793,9 +3803,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid, goto out_unlink_ns; down_write(&ctrl->namespaces_rwsem); - list_add_tail(&ns->list, &ctrl->namespaces); + nvme_ns_add_to_ctrl_list(ns); up_write(&ctrl->namespaces_rwsem); - nvme_get_ctrl(ctrl); if (device_add_disk(ctrl->device, ns->disk, nvme_ns_id_attr_groups)) @@ -3843,6 +3852,10 @@ static void nvme_ns_remove(struct nvme_ns *ns) mutex_lock(&ns->ctrl->subsys->lock); list_del_rcu(&ns->siblings); + if (list_empty(&ns->head->list)) { + list_del_init(&ns->head->entry); + last_path = true; + } mutex_unlock(&ns->ctrl->subsys->lock); /* guarantee not available in head->list */ @@ -3856,20 +3869,11 @@ static void nvme_ns_remove(struct nvme_ns *ns) nvme_cdev_del(&ns->cdev, &ns->cdev_device); del_gendisk(ns->disk); blk_cleanup_queue(ns->queue); - if (blk_get_integrity(ns->disk)) - blk_integrity_unregister(ns->disk); down_write(&ns->ctrl->namespaces_rwsem); list_del_init(&ns->list); up_write(&ns->ctrl->namespaces_rwsem); - /* Synchronize with nvme_init_ns_head() */ - mutex_lock(&ns->head->subsys->lock); - if (list_empty(&ns->head->list)) { - list_del_init(&ns->head->entry); - last_path = true; - } - mutex_unlock(&ns->head->subsys->lock); if (last_path) nvme_mpath_shutdown_disk(ns->head); nvme_put_ns(ns); @@ -4083,10 +4087,6 @@ static void nvme_scan_work(struct work_struct *work) if (nvme_scan_ns_list(ctrl) != 0) nvme_scan_ns_sequential(ctrl); mutex_unlock(&ctrl->scan_lock); - - down_write(&ctrl->namespaces_rwsem); - list_sort(NULL, &ctrl->namespaces, ns_cmp); - up_write(&ctrl->namespaces_rwsem); } /* diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index b08a61ca283f..aa14ad963d91 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2487,6 +2487,7 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues) */ if (ctrl->ctrl.queue_count > 1) { nvme_stop_queues(&ctrl->ctrl); + nvme_sync_io_queues(&ctrl->ctrl); blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_fc_terminate_exchange, &ctrl->ctrl); blk_mq_tagset_wait_completed_request(&ctrl->tag_set); @@ -2510,6 +2511,7 @@ __nvme_fc_abort_outstanding_ios(struct nvme_fc_ctrl *ctrl, bool start_queues) * clean up the admin queue. Same thing as above. */ blk_mq_quiesce_queue(ctrl->ctrl.admin_q); + blk_sync_queue(ctrl->ctrl.admin_q); blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_fc_terminate_exchange, &ctrl->ctrl); blk_mq_tagset_wait_completed_request(&ctrl->admin_tag_set); @@ -2951,6 +2953,13 @@ nvme_fc_recreate_io_queues(struct nvme_fc_ctrl *ctrl) if (ctrl->ctrl.queue_count == 1) return 0; + if (prior_ioq_cnt != nr_io_queues) { + dev_info(ctrl->ctrl.device, + "reconnect: revising io queue count from %d to %d\n", + prior_ioq_cnt, nr_io_queues); + blk_mq_update_nr_hw_queues(&ctrl->tag_set, nr_io_queues); + } + ret = nvme_fc_create_hw_io_queues(ctrl, ctrl->ctrl.sqsize + 1); if (ret) goto out_free_io_queues; @@ -2959,15 +2968,6 @@ nvme_fc_recreate_io_queues(struct nvme_fc_ctrl *ctrl) if (ret) goto out_delete_hw_queues; - if (prior_ioq_cnt != nr_io_queues) { - dev_info(ctrl->ctrl.device, - "reconnect: revising io queue count from %d to %d\n", - prior_ioq_cnt, nr_io_queues); - nvme_wait_freeze(&ctrl->ctrl); - blk_mq_update_nr_hw_queues(&ctrl->tag_set, nr_io_queues); - nvme_unfreeze(&ctrl->ctrl); - } - return 0; out_delete_hw_queues: diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 5d7bc58a27bd..e8ccdd398f78 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -600,14 +600,17 @@ static int nvme_update_ana_state(struct nvme_ctrl *ctrl, down_read(&ctrl->namespaces_rwsem); list_for_each_entry(ns, &ctrl->namespaces, list) { - unsigned nsid = le32_to_cpu(desc->nsids[n]); - + unsigned nsid; +again: + nsid = le32_to_cpu(desc->nsids[n]); if (ns->head->ns_id < nsid) continue; if (ns->head->ns_id == nsid) nvme_update_ns_ana_state(desc, ns); if (++n == nr_nsids) break; + if (ns->head->ns_id > nsid) + goto again; } up_read(&ctrl->namespaces_rwsem); return 0; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 9871c0c9374c..ed79a6c7e804 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -138,6 +138,12 @@ enum nvme_quirks { * 48 bits. */ NVME_QUIRK_DMA_ADDRESS_BITS_48 = (1 << 16), + + /* + * The controller requires the command_id value be be limited, so skip + * encoding the generation sequence number. + */ + NVME_QUIRK_SKIP_CID_GEN = (1 << 17), }; /* diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index b82492cd7503..456a0e8a5718 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3369,7 +3369,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2005), .driver_data = NVME_QUIRK_SINGLE_VECTOR | NVME_QUIRK_128_BYTES_SQES | - NVME_QUIRK_SHARED_TAGS }, + NVME_QUIRK_SHARED_TAGS | + NVME_QUIRK_SKIP_CID_GEN }, { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, { 0, } diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index a68704e39084..042c594bc57e 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -656,8 +656,8 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue) if (!test_and_clear_bit(NVME_RDMA_Q_ALLOCATED, &queue->flags)) return; - nvme_rdma_destroy_queue_ib(queue); rdma_destroy_id(queue->cm_id); + nvme_rdma_destroy_queue_ib(queue); mutex_destroy(&queue->queue_lock); } @@ -1815,14 +1815,10 @@ static int nvme_rdma_conn_established(struct nvme_rdma_queue *queue) for (i = 0; i < queue->queue_size; i++) { ret = nvme_rdma_post_recv(queue, &queue->rsp_ring[i]); if (ret) - goto out_destroy_queue_ib; + return ret; } return 0; - -out_destroy_queue_ib: - nvme_rdma_destroy_queue_ib(queue); - return ret; } static int nvme_rdma_conn_rejected(struct nvme_rdma_queue *queue, @@ -1916,14 +1912,10 @@ static int nvme_rdma_route_resolved(struct nvme_rdma_queue *queue) if (ret) { dev_err(ctrl->ctrl.device, "rdma_connect_locked failed (%d).\n", ret); - goto out_destroy_queue_ib; + return ret; } return 0; - -out_destroy_queue_ib: - nvme_rdma_destroy_queue_ib(queue); - return ret; } static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, @@ -1954,8 +1946,6 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, case RDMA_CM_EVENT_ROUTE_ERROR: case RDMA_CM_EVENT_CONNECT_ERROR: case RDMA_CM_EVENT_UNREACHABLE: - nvme_rdma_destroy_queue_ib(queue); - fallthrough; case RDMA_CM_EVENT_ADDR_ERROR: dev_dbg(queue->ctrl->ctrl.device, "CM error event %d\n", ev->event); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index e2ab12f3f51c..3c1c29dd3020 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -274,6 +274,12 @@ static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) } while (ret > 0); } +static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) +{ + return !list_empty(&queue->send_list) || + !llist_empty(&queue->req_list) || queue->more_requests; +} + static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, bool sync, bool last) { @@ -294,9 +300,10 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req, nvme_tcp_send_all(queue); queue->more_requests = false; mutex_unlock(&queue->send_mutex); - } else if (last) { - queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); } + + if (last && nvme_tcp_queue_more(queue)) + queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); } static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) @@ -613,7 +620,7 @@ static int nvme_tcp_setup_h2c_data_pdu(struct nvme_tcp_request *req, cpu_to_le32(data->hdr.hlen + hdgst + req->pdu_len + ddgst); data->ttag = pdu->ttag; data->command_id = nvme_cid(rq); - data->data_offset = cpu_to_le32(req->data_sent); + data->data_offset = pdu->r2t_offset; data->data_length = cpu_to_le32(req->pdu_len); return 0; } @@ -906,12 +913,6 @@ done: read_unlock_bh(&sk->sk_callback_lock); } -static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) -{ - return !list_empty(&queue->send_list) || - !llist_empty(&queue->req_list) || queue->more_requests; -} - static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) { queue->request = NULL; @@ -952,7 +953,15 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req) nvme_tcp_ddgst_update(queue->snd_hash, page, offset, ret); - /* fully successful last write*/ + /* + * update the request iterator except for the last payload send + * in the request where we don't want to modify it as we may + * compete with the RX path completing the request. + */ + if (req->data_sent + ret < req->data_len) + nvme_tcp_advance_req(req, ret); + + /* fully successful last send in current PDU */ if (last && ret == len) { if (queue->data_digest) { nvme_tcp_ddgst_final(queue->snd_hash, @@ -964,7 +973,6 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req) } return 1; } - nvme_tcp_advance_req(req, ret); } return -EAGAIN; } @@ -1145,8 +1153,7 @@ static void nvme_tcp_io_work(struct work_struct *w) pending = true; else if (unlikely(result < 0)) break; - } else - pending = !llist_empty(&queue->req_list); + } result = nvme_tcp_try_recv(queue); if (result > 0) diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index d784f3c200b4..be5d82421e3a 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -1067,7 +1067,7 @@ static ssize_t nvmet_subsys_attr_serial_show(struct config_item *item, { struct nvmet_subsys *subsys = to_subsys(item); - return snprintf(page, PAGE_SIZE, "%*s\n", + return snprintf(page, PAGE_SIZE, "%.*s\n", NVMET_SN_MAX_SIZE, subsys->serial); } diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig index 39854d43758b..da414617a54d 100644 --- a/drivers/nvmem/Kconfig +++ b/drivers/nvmem/Kconfig @@ -109,6 +109,7 @@ config MTK_EFUSE config NVMEM_NINTENDO_OTP tristate "Nintendo Wii and Wii U OTP Support" + depends on WII || COMPILE_TEST help This is a driver exposing the OTP of a Nintendo Wii or Wii U console. diff --git a/drivers/of/base.c b/drivers/of/base.c index f720c0d246f2..0ac17256258d 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -36,6 +36,7 @@ LIST_HEAD(aliases_lookup); struct device_node *of_root; EXPORT_SYMBOL(of_root); struct device_node *of_chosen; +EXPORT_SYMBOL(of_chosen); struct device_node *of_aliases; struct device_node *of_stdout; static const char *of_stdout_options; diff --git a/drivers/of/device.c b/drivers/of/device.c index 5b043ee30824..b0800c260f64 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -85,7 +85,11 @@ of_dma_set_restricted_buffer(struct device *dev, struct device_node *np) break; } - if (i != count && of_reserved_mem_device_init_by_idx(dev, of_node, i)) + /* + * Attempt to initialize a restricted-dma-pool region if one was found. + * Note that count can hold a negative error code. + */ + if (i < count && of_reserved_mem_device_init_by_idx(dev, of_node, i)) dev_warn(dev, "failed to initialise \"restricted-dma-pool\" memory node\n"); } diff --git a/drivers/of/property.c b/drivers/of/property.c index 3fd74bb34819..a3483484a5a2 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -1291,7 +1291,6 @@ DEFINE_SIMPLE_PROP(pwms, "pwms", "#pwm-cells") DEFINE_SIMPLE_PROP(resets, "resets", "#reset-cells") DEFINE_SIMPLE_PROP(leds, "leds", NULL) DEFINE_SIMPLE_PROP(backlight, "backlight", NULL) -DEFINE_SIMPLE_PROP(phy_handle, "phy-handle", NULL) DEFINE_SUFFIX_PROP(regulators, "-supply", NULL) DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells") @@ -1380,7 +1379,6 @@ static const struct supplier_bindings of_supplier_bindings[] = { { .parse_prop = parse_resets, }, { .parse_prop = parse_leds, }, { .parse_prop = parse_backlight, }, - { .parse_prop = parse_phy_handle, }, { .parse_prop = parse_gpio_compat, }, { .parse_prop = parse_interrupts, }, { .parse_prop = parse_regulators, }, diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 0c473d75e625..43e615aa12ff 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -110,7 +110,7 @@ config PCI_PF_STUB config XEN_PCIDEV_FRONTEND tristate "Xen PCI Frontend" - depends on X86 && XEN + depends on XEN_PV select PCI_XEN select XEN_XENBUS_FRONTEND default y diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index eaec915ffe62..67c46e52c0dc 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -3301,9 +3301,17 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs) return 0; if (!keep_devs) { - /* Delete any children which might still exist. */ + struct list_head removed; + + /* Move all present children to the list on stack */ + INIT_LIST_HEAD(&removed); spin_lock_irqsave(&hbus->device_list_lock, flags); - list_for_each_entry_safe(hpdev, tmp, &hbus->children, list_entry) { + list_for_each_entry_safe(hpdev, tmp, &hbus->children, list_entry) + list_move_tail(&hpdev->list_entry, &removed); + spin_unlock_irqrestore(&hbus->device_list_lock, flags); + + /* Remove all children in the list */ + list_for_each_entry_safe(hpdev, tmp, &removed, list_entry) { list_del(&hpdev->list_entry); if (hpdev->pci_slot) pci_destroy_slot(hpdev->pci_slot); @@ -3311,7 +3319,6 @@ static int hv_pci_bus_exit(struct hv_device *hdev, bool keep_devs) put_pcichild(hpdev); put_pcichild(hpdev); } - spin_unlock_irqrestore(&hbus->device_list_lock, flags); } ret = hv_send_resources_released(hdev); diff --git a/drivers/pci/hotplug/s390_pci_hpc.c b/drivers/pci/hotplug/s390_pci_hpc.c index 014868752cd4..dcefdb42ac46 100644 --- a/drivers/pci/hotplug/s390_pci_hpc.c +++ b/drivers/pci/hotplug/s390_pci_hpc.c @@ -62,14 +62,7 @@ static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value) struct zpci_dev *zdev = container_of(hotplug_slot, struct zpci_dev, hotplug_slot); - switch (zdev->state) { - case ZPCI_FN_STATE_STANDBY: - *value = 0; - break; - default: - *value = 1; - break; - } + *value = zpci_is_device_configured(zdev) ? 1 : 0; return 0; } diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index a1b1e2a01632..260a06fb78a6 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -937,7 +937,7 @@ static struct acpi_device *acpi_pci_find_companion(struct device *dev); void pci_set_acpi_fwnode(struct pci_dev *dev) { - if (!ACPI_COMPANION(&dev->dev) && !pci_dev_is_added(dev)) + if (!dev_fwnode(&dev->dev) && !pci_dev_is_added(dev)) ACPI_COMPANION_SET(&dev->dev, acpi_pci_find_companion(&dev->dev)); } @@ -1249,6 +1249,9 @@ static struct acpi_device *acpi_pci_find_companion(struct device *dev) bool check_children; u64 addr; + if (!dev->parent) + return NULL; + down_read(&pci_acpi_companion_lookup_sem); adev = pci_acpi_find_companion_hook ? diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index e5089af8ad90..4537d1ea14fd 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5435,7 +5435,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda); /* - * Create device link for NVIDIA GPU with integrated USB xHCI Host + * Create device link for GPUs with integrated USB xHCI Host * controller to VGA. */ static void quirk_gpu_usb(struct pci_dev *usb) @@ -5444,9 +5444,11 @@ static void quirk_gpu_usb(struct pci_dev *usb) } DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, + PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb); /* - * Create device link for NVIDIA GPU with integrated Type-C UCSI controller + * Create device link for GPUs with integrated Type-C UCSI controller * to VGA. Currently there is no class code defined for UCSI device over PCI * so using UNKNOWN class for now and it will be updated when UCSI * over PCI gets a class code. @@ -5459,6 +5461,9 @@ static void quirk_gpu_usb_typec_ucsi(struct pci_dev *ucsi) DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_CLASS_SERIAL_UNKNOWN, 8, quirk_gpu_usb_typec_ucsi); +DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID, + PCI_CLASS_SERIAL_UNKNOWN, 8, + quirk_gpu_usb_typec_ucsi); /* * Enable the NVIDIA GPU integrated HDA controller if the BIOS left it diff --git a/drivers/pci/vpd.c b/drivers/pci/vpd.c index 25557b272a4f..4be24890132e 100644 --- a/drivers/pci/vpd.c +++ b/drivers/pci/vpd.c @@ -99,6 +99,24 @@ error: return off ?: PCI_VPD_SZ_INVALID; } +static bool pci_vpd_available(struct pci_dev *dev) +{ + struct pci_vpd *vpd = &dev->vpd; + + if (!vpd->cap) + return false; + + if (vpd->len == 0) { + vpd->len = pci_vpd_size(dev); + if (vpd->len == PCI_VPD_SZ_INVALID) { + vpd->cap = 0; + return false; + } + } + + return true; +} + /* * Wait for last operation to complete. * This code has to spin since there is no other notification from the PCI @@ -145,7 +163,7 @@ static ssize_t pci_vpd_read(struct pci_dev *dev, loff_t pos, size_t count, loff_t end = pos + count; u8 *buf = arg; - if (!vpd->cap) + if (!pci_vpd_available(dev)) return -ENODEV; if (pos < 0) @@ -206,7 +224,7 @@ static ssize_t pci_vpd_write(struct pci_dev *dev, loff_t pos, size_t count, loff_t end = pos + count; int ret = 0; - if (!vpd->cap) + if (!pci_vpd_available(dev)) return -ENODEV; if (pos < 0 || (pos & 3) || (count & 3)) @@ -242,14 +260,11 @@ static ssize_t pci_vpd_write(struct pci_dev *dev, loff_t pos, size_t count, void pci_vpd_init(struct pci_dev *dev) { + if (dev->vpd.len == PCI_VPD_SZ_INVALID) + return; + dev->vpd.cap = pci_find_capability(dev, PCI_CAP_ID_VPD); mutex_init(&dev->vpd.lock); - - if (!dev->vpd.len) - dev->vpd.len = pci_vpd_size(dev); - - if (dev->vpd.len == PCI_VPD_SZ_INVALID) - dev->vpd.cap = 0; } static ssize_t vpd_read(struct file *filp, struct kobject *kobj, @@ -294,13 +309,14 @@ const struct attribute_group pci_dev_vpd_attr_group = { void *pci_vpd_alloc(struct pci_dev *dev, unsigned int *size) { - unsigned int len = dev->vpd.len; + unsigned int len; void *buf; int cnt; - if (!dev->vpd.cap) + if (!pci_vpd_available(dev)) return ERR_PTR(-ENODEV); + len = dev->vpd.len; buf = kmalloc(len, GFP_KERNEL); if (!buf) return ERR_PTR(-ENOMEM); diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 3cbc3baf087f..295cc7952d0e 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -952,6 +952,8 @@ int armpmu_register(struct arm_pmu *pmu) pmu->name, pmu->num_events, has_nmi ? ", using NMIs" : ""); + kvm_host_pmu_init(pmu); + return 0; out_destroy: diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index a4ac87c8b4f8..5082102d7d0d 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -2306,7 +2306,7 @@ EXPORT_SYMBOL_GPL(devm_pinctrl_register_and_init); /** * devm_pinctrl_unregister() - Resource managed version of pinctrl_unregister(). - * @dev: device for which which resource was allocated + * @dev: device for which resource was allocated * @pctldev: the pinctrl device to unregister. */ void devm_pinctrl_unregister(struct device *dev, struct pinctrl_dev *pctldev) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index c001f2ed20f8..8d0f88e9ca88 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -445,6 +445,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) struct gpio_chip *gc = irq_data_get_irq_chip_data(d); struct amd_gpio *gpio_dev = gpiochip_get_data(gc); u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3); + int err; raw_spin_lock_irqsave(&gpio_dev->lock, flags); pin_reg = readl(gpio_dev->base + (d->hwirq)*4); @@ -457,6 +458,15 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on) writel(pin_reg, gpio_dev->base + (d->hwirq)*4); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); + if (on) + err = enable_irq_wake(gpio_dev->irq); + else + err = disable_irq_wake(gpio_dev->irq); + + if (err) + dev_err(&gpio_dev->pdev->dev, "failed to %s wake-up interrupt\n", + on ? "enable" : "disable"); + return 0; } @@ -902,7 +912,6 @@ static struct pinctrl_desc amd_pinctrl_desc = { static int amd_gpio_probe(struct platform_device *pdev) { int ret = 0; - int irq_base; struct resource *res; struct amd_gpio *gpio_dev; struct gpio_irq_chip *girq; @@ -925,9 +934,9 @@ static int amd_gpio_probe(struct platform_device *pdev) if (!gpio_dev->base) return -ENOMEM; - irq_base = platform_get_irq(pdev, 0); - if (irq_base < 0) - return irq_base; + gpio_dev->irq = platform_get_irq(pdev, 0); + if (gpio_dev->irq < 0) + return gpio_dev->irq; #ifdef CONFIG_PM_SLEEP gpio_dev->saved_regs = devm_kcalloc(&pdev->dev, amd_pinctrl_desc.npins, @@ -987,7 +996,7 @@ static int amd_gpio_probe(struct platform_device *pdev) goto out2; } - ret = devm_request_irq(&pdev->dev, irq_base, amd_gpio_irq_handler, + ret = devm_request_irq(&pdev->dev, gpio_dev->irq, amd_gpio_irq_handler, IRQF_SHARED, KBUILD_MODNAME, gpio_dev); if (ret) goto out2; diff --git a/drivers/pinctrl/pinctrl-amd.h b/drivers/pinctrl/pinctrl-amd.h index 95e763424042..1d4317073654 100644 --- a/drivers/pinctrl/pinctrl-amd.h +++ b/drivers/pinctrl/pinctrl-amd.h @@ -98,6 +98,7 @@ struct amd_gpio { struct resource *res; struct platform_device *pdev; u32 *saved_regs; + int irq; }; /* KERNCZ configuration*/ diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index ae33e376695f..5ce260f152ce 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -2092,6 +2092,23 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, return false; } +static int rockchip_pinconf_defer_output(struct rockchip_pin_bank *bank, + unsigned int pin, u32 arg) +{ + struct rockchip_pin_output_deferred *cfg; + + cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); + if (!cfg) + return -ENOMEM; + + cfg->pin = pin; + cfg->arg = arg; + + list_add_tail(&cfg->head, &bank->deferred_output); + + return 0; +} + /* set the pin config settings for a specified pin */ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *configs, unsigned num_configs) @@ -2136,6 +2153,22 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, if (rc != RK_FUNC_GPIO) return -EINVAL; + /* + * Check for gpio driver not being probed yet. + * The lock makes sure that either gpio-probe has completed + * or the gpio driver hasn't probed yet. + */ + mutex_lock(&bank->deferred_lock); + if (!gpio || !gpio->direction_output) { + rc = rockchip_pinconf_defer_output(bank, pin - bank->pin_base, arg); + mutex_unlock(&bank->deferred_lock); + if (rc) + return rc; + + break; + } + mutex_unlock(&bank->deferred_lock); + rc = gpio->direction_output(gpio, pin - bank->pin_base, arg); if (rc) @@ -2204,6 +2237,11 @@ static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, if (rc != RK_FUNC_GPIO) return -EINVAL; + if (!gpio || !gpio->get) { + arg = 0; + break; + } + rc = gpio->get(gpio, pin - bank->pin_base); if (rc < 0) return rc; @@ -2450,6 +2488,9 @@ static int rockchip_pinctrl_register(struct platform_device *pdev, pin_bank->name, pin); pdesc++; } + + INIT_LIST_HEAD(&pin_bank->deferred_output); + mutex_init(&pin_bank->deferred_lock); } ret = rockchip_pinctrl_parse_dt(pdev, info); @@ -2716,6 +2757,31 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev) return 0; } +static int rockchip_pinctrl_remove(struct platform_device *pdev) +{ + struct rockchip_pinctrl *info = platform_get_drvdata(pdev); + struct rockchip_pin_bank *bank; + struct rockchip_pin_output_deferred *cfg; + int i; + + of_platform_depopulate(&pdev->dev); + + for (i = 0; i < info->ctrl->nr_banks; i++) { + bank = &info->ctrl->pin_banks[i]; + + mutex_lock(&bank->deferred_lock); + while (!list_empty(&bank->deferred_output)) { + cfg = list_first_entry(&bank->deferred_output, + struct rockchip_pin_output_deferred, head); + list_del(&cfg->head); + kfree(cfg); + } + mutex_unlock(&bank->deferred_lock); + } + + return 0; +} + static struct rockchip_pin_bank px30_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU, IOMUX_SOURCE_PMU, @@ -3175,6 +3241,7 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { static struct platform_driver rockchip_pinctrl_driver = { .probe = rockchip_pinctrl_probe, + .remove = rockchip_pinctrl_remove, .driver = { .name = "rockchip-pinctrl", .pm = &rockchip_pinctrl_dev_pm_ops, diff --git a/drivers/pinctrl/pinctrl-rockchip.h b/drivers/pinctrl/pinctrl-rockchip.h index 589d4d2a98c9..91f10279d084 100644 --- a/drivers/pinctrl/pinctrl-rockchip.h +++ b/drivers/pinctrl/pinctrl-rockchip.h @@ -141,6 +141,8 @@ struct rockchip_drv { * @toggle_edge_mode: bit mask to toggle (falling/rising) edge mode * @recalced_mask: bit mask to indicate a need to recalulate the mask * @route_mask: bits describing the routing pins of per bank + * @deferred_output: gpio output settings to be done after gpio bank probed + * @deferred_lock: mutex for the deferred_output shared btw gpio and pinctrl */ struct rockchip_pin_bank { struct device *dev; @@ -169,6 +171,8 @@ struct rockchip_pin_bank { u32 toggle_edge_mode; u32 recalced_mask; u32 route_mask; + struct list_head deferred_output; + struct mutex deferred_lock; }; /** @@ -243,6 +247,12 @@ struct rockchip_pin_config { unsigned int nconfigs; }; +struct rockchip_pin_output_deferred { + struct list_head head; + unsigned int pin; + u32 arg; +}; + /** * struct rockchip_pin_group: represent group of pins of a pinmux function. * @name: name of the pin group, used to lookup the group. diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig index 32ea2a8ec02b..5ff4207df66e 100644 --- a/drivers/pinctrl/qcom/Kconfig +++ b/drivers/pinctrl/qcom/Kconfig @@ -3,7 +3,8 @@ if (ARCH_QCOM || COMPILE_TEST) config PINCTRL_MSM tristate "Qualcomm core pin controller driver" - depends on GPIOLIB && (QCOM_SCM || !QCOM_SCM) #if QCOM_SCM=m this can't be =y + depends on GPIOLIB + select QCOM_SCM select PINMUX select PINCONF select GENERIC_PINCONF diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280.c b/drivers/pinctrl/qcom/pinctrl-sc7280.c index afddf6d60dbe..9017ede409c9 100644 --- a/drivers/pinctrl/qcom/pinctrl-sc7280.c +++ b/drivers/pinctrl/qcom/pinctrl-sc7280.c @@ -1496,6 +1496,7 @@ static const struct of_device_id sc7280_pinctrl_of_match[] = { static struct platform_driver sc7280_pinctrl_driver = { .driver = { .name = "sc7280-pinctrl", + .pm = &msm_pinctrl_dev_pm_ops, .of_match_table = sc7280_pinctrl_of_match, }, .probe = sc7280_pinctrl_probe, diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c index 98bf0e2a2a8d..b2562e893139 100644 --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2014, 2016-2021 The Linux Foundation. All rights reserved. */ #include <linux/gpio/driver.h> @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/spmi.h> #include <linux/types.h> #include <dt-bindings/pinctrl/qcom,pmic-gpio.h> @@ -171,6 +172,8 @@ struct pmic_gpio_state { struct pinctrl_dev *ctrl; struct gpio_chip chip; struct irq_chip irq; + u8 usid; + u8 pid_base; }; static const struct pinconf_generic_params pmic_gpio_bindings[] = { @@ -949,12 +952,36 @@ static int pmic_gpio_child_to_parent_hwirq(struct gpio_chip *chip, unsigned int *parent_hwirq, unsigned int *parent_type) { - *parent_hwirq = child_hwirq + 0xc0; + struct pmic_gpio_state *state = gpiochip_get_data(chip); + + *parent_hwirq = child_hwirq + state->pid_base; *parent_type = child_type; return 0; } +static void *pmic_gpio_populate_parent_fwspec(struct gpio_chip *chip, + unsigned int parent_hwirq, + unsigned int parent_type) +{ + struct pmic_gpio_state *state = gpiochip_get_data(chip); + struct irq_fwspec *fwspec; + + fwspec = kzalloc(sizeof(*fwspec), GFP_KERNEL); + if (!fwspec) + return NULL; + + fwspec->fwnode = chip->irq.parent_domain->fwnode; + + fwspec->param_count = 4; + fwspec->param[0] = state->usid; + fwspec->param[1] = parent_hwirq; + /* param[2] must be left as 0 */ + fwspec->param[3] = parent_type; + + return fwspec; +} + static int pmic_gpio_probe(struct platform_device *pdev) { struct irq_domain *parent_domain; @@ -965,6 +992,7 @@ static int pmic_gpio_probe(struct platform_device *pdev) struct pmic_gpio_pad *pad, *pads; struct pmic_gpio_state *state; struct gpio_irq_chip *girq; + const struct spmi_device *parent_spmi_dev; int ret, npins, i; u32 reg; @@ -984,6 +1012,9 @@ static int pmic_gpio_probe(struct platform_device *pdev) state->dev = &pdev->dev; state->map = dev_get_regmap(dev->parent, NULL); + parent_spmi_dev = to_spmi_device(dev->parent); + state->usid = parent_spmi_dev->usid; + state->pid_base = reg >> 8; pindesc = devm_kcalloc(dev, npins, sizeof(*pindesc), GFP_KERNEL); if (!pindesc) @@ -1059,7 +1090,7 @@ static int pmic_gpio_probe(struct platform_device *pdev) girq->fwnode = of_node_to_fwnode(state->dev->of_node); girq->parent_domain = parent_domain; girq->child_to_parent_hwirq = pmic_gpio_child_to_parent_hwirq; - girq->populate_parent_alloc_arg = gpiochip_populate_parent_fwspec_fourcell; + girq->populate_parent_alloc_arg = pmic_gpio_populate_parent_fwspec; girq->child_offset_to_irq = pmic_gpio_child_offset_to_irq; girq->child_irq_domain_ops.translate = pmic_gpio_domain_translate; diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c index 3481479a2942..d6a7c896ac86 100644 --- a/drivers/platform/x86/amd-pmc.c +++ b/drivers/platform/x86/amd-pmc.c @@ -71,7 +71,7 @@ #define AMD_CPU_ID_YC 0x14B5 #define PMC_MSG_DELAY_MIN_US 100 -#define RESPONSE_REGISTER_LOOP_MAX 200 +#define RESPONSE_REGISTER_LOOP_MAX 20000 #define SOC_SUBSYSTEM_IP_MAX 12 #define DELAY_MIN_US 2000 diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/Kconfig index 821aba31821c..42513eab1d06 100644 --- a/drivers/platform/x86/dell/Kconfig +++ b/drivers/platform/x86/dell/Kconfig @@ -166,8 +166,7 @@ config DELL_WMI config DELL_WMI_PRIVACY bool "Dell WMI Hardware Privacy Support" - depends on DELL_WMI - depends on LEDS_TRIGGER_AUDIO + depends on LEDS_TRIGGER_AUDIO = y || DELL_WMI = LEDS_TRIGGER_AUDIO help This option adds integration with the "Dell Hardware Privacy" feature of Dell laptops to the dell-wmi driver. diff --git a/drivers/platform/x86/gigabyte-wmi.c b/drivers/platform/x86/gigabyte-wmi.c index 7f3a03f937f6..d53634c8a6e0 100644 --- a/drivers/platform/x86/gigabyte-wmi.c +++ b/drivers/platform/x86/gigabyte-wmi.c @@ -144,6 +144,7 @@ static const struct dmi_system_id gigabyte_wmi_known_working_platforms[] = { DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 AORUS ELITE V2"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550 GAMING X V2"), + DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550I AORUS PRO AX"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M AORUS PRO-P"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("B550M DS3H"), DMI_EXACT_MATCH_GIGABYTE_BOARD_NAME("Z390 I AORUS PRO WIFI-CF"), diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c index a33a5826e81a..08598942a6d7 100644 --- a/drivers/platform/x86/intel/hid.c +++ b/drivers/platform/x86/intel/hid.c @@ -118,12 +118,30 @@ static const struct dmi_system_id dmi_vgbs_allow_list[] = { { } }; +/* + * Some devices, even non convertible ones, can send incorrect SW_TABLET_MODE + * reports. Accept such reports only from devices in this list. + */ +static const struct dmi_system_id dmi_auto_add_switch[] = { + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "31" /* Convertible */), + }, + }, + { + .matches = { + DMI_EXACT_MATCH(DMI_CHASSIS_TYPE, "32" /* Detachable */), + }, + }, + {} /* Array terminator */ +}; + struct intel_hid_priv { struct input_dev *input_dev; struct input_dev *array; struct input_dev *switches; bool wakeup_mode; - bool dual_accel; + bool auto_add_switch; }; #define HID_EVENT_FILTER_UUID "eeec56b3-4442-408f-a792-4edd4d758054" @@ -452,10 +470,8 @@ static void notify_handler(acpi_handle handle, u32 event, void *context) * Some convertible have unreliable VGBS return which could cause incorrect * SW_TABLET_MODE report, in these cases we enable support when receiving * the first event instead of during driver setup. - * - * See dual_accel_detect.h for more info on the dual_accel check. */ - if (!priv->switches && !priv->dual_accel && (event == 0xcc || event == 0xcd)) { + if (!priv->switches && priv->auto_add_switch && (event == 0xcc || event == 0xcd)) { dev_info(&device->dev, "switch event received, enable switches supports\n"); err = intel_hid_switches_setup(device); if (err) @@ -596,7 +612,8 @@ static int intel_hid_probe(struct platform_device *device) return -ENOMEM; dev_set_drvdata(&device->dev, priv); - priv->dual_accel = dual_accel_detect(); + /* See dual_accel_detect.h for more info on the dual_accel check. */ + priv->auto_add_switch = dmi_check_system(dmi_auto_add_switch) && !dual_accel_detect(); err = intel_hid_input_setup(device); if (err) { diff --git a/drivers/platform/x86/intel/punit_ipc.c b/drivers/platform/x86/intel/punit_ipc.c index f58b8543f6ac..66bb39fd0ef9 100644 --- a/drivers/platform/x86/intel/punit_ipc.c +++ b/drivers/platform/x86/intel/punit_ipc.c @@ -8,7 +8,6 @@ * which provide mailbox interface for power management usage. */ -#include <linux/acpi.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/device.h> @@ -319,7 +318,7 @@ static struct platform_driver intel_punit_ipc_driver = { .remove = intel_punit_ipc_remove, .driver = { .name = "intel_punit_ipc", - .acpi_match_table = ACPI_PTR(punit_ipc_acpi_ids), + .acpi_match_table = punit_ipc_acpi_ids, }, }; diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c index 3e520d5bca07..88b551caeaaf 100644 --- a/drivers/platform/x86/lg-laptop.c +++ b/drivers/platform/x86/lg-laptop.c @@ -655,7 +655,7 @@ static int acpi_add(struct acpi_device *device) goto out_platform_registered; } product = dmi_get_system_info(DMI_PRODUCT_NAME); - if (strlen(product) > 4) + if (product && strlen(product) > 4) switch (product[4]) { case '5': case '6': diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 0e1451b1d9c6..033f797861d8 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -100,10 +100,10 @@ static const struct ts_dmi_data chuwi_hi10_air_data = { }; static const struct property_entry chuwi_hi10_plus_props[] = { - PROPERTY_ENTRY_U32("touchscreen-min-x", 0), - PROPERTY_ENTRY_U32("touchscreen-min-y", 5), - PROPERTY_ENTRY_U32("touchscreen-size-x", 1914), - PROPERTY_ENTRY_U32("touchscreen-size-y", 1283), + PROPERTY_ENTRY_U32("touchscreen-min-x", 12), + PROPERTY_ENTRY_U32("touchscreen-min-y", 10), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1908), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1270), PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hi10plus.fw"), PROPERTY_ENTRY_U32("silead,max-fingers", 10), PROPERTY_ENTRY_BOOL("silead,home-button"), @@ -111,6 +111,15 @@ static const struct property_entry chuwi_hi10_plus_props[] = { }; static const struct ts_dmi_data chuwi_hi10_plus_data = { + .embedded_fw = { + .name = "silead/gsl1680-chuwi-hi10plus.fw", + .prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 }, + .length = 34056, + .sha256 = { 0xfd, 0x0a, 0x08, 0x08, 0x3c, 0xa6, 0x34, 0x4e, + 0x2c, 0x49, 0x9c, 0xcd, 0x7d, 0x44, 0x9d, 0x38, + 0x10, 0x68, 0xb5, 0xbd, 0xb7, 0x2a, 0x63, 0xb5, + 0x67, 0x0b, 0x96, 0xbd, 0x89, 0x67, 0x85, 0x09 }, + }, .acpi_name = "MSSL0017:00", .properties = chuwi_hi10_plus_props, }; @@ -141,6 +150,33 @@ static const struct ts_dmi_data chuwi_hi10_pro_data = { .properties = chuwi_hi10_pro_props, }; +static const struct property_entry chuwi_hibook_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 30), + PROPERTY_ENTRY_U32("touchscreen-min-y", 4), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1892), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1276), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-chuwi-hibook.fw"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_BOOL("silead,home-button"), + { } +}; + +static const struct ts_dmi_data chuwi_hibook_data = { + .embedded_fw = { + .name = "silead/gsl1680-chuwi-hibook.fw", + .prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 }, + .length = 40392, + .sha256 = { 0xf7, 0xc0, 0xe8, 0x5a, 0x6c, 0xf2, 0xeb, 0x8d, + 0x12, 0xc4, 0x45, 0xbf, 0x55, 0x13, 0x4c, 0x1a, + 0x13, 0x04, 0x31, 0x08, 0x65, 0x73, 0xf7, 0xa8, + 0x1b, 0x7d, 0x59, 0xc9, 0xe6, 0x97, 0xf7, 0x38 }, + }, + .acpi_name = "MSSL0017:00", + .properties = chuwi_hibook_props, +}; + static const struct property_entry chuwi_vi8_props[] = { PROPERTY_ENTRY_U32("touchscreen-min-x", 4), PROPERTY_ENTRY_U32("touchscreen-min-y", 6), @@ -980,6 +1016,16 @@ const struct dmi_system_id touchscreen_dmi_table[] = { }, }, { + /* Chuwi HiBook (CWI514) */ + .driver_data = (void *)&chuwi_hibook_data, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"), + DMI_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + /* Above matches are too generic, add bios-date match */ + DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"), + }, + }, + { /* Chuwi Vi8 (CWI506) */ .driver_data = (void *)&chuwi_vi8_data, .matches = { diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index f02bedf41264..458218f88c5e 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -174,6 +174,7 @@ config PTP_1588_CLOCK_OCP depends on I2C && MTD depends on SERIAL_8250 depends on !S390 + depends on COMMON_CLK select NET_DEVLINK help This driver adds support for an OpenCompute time card. diff --git a/drivers/ptp/ptp_kvm_x86.c b/drivers/ptp/ptp_kvm_x86.c index 3dd519dfc473..d0096cd7096a 100644 --- a/drivers/ptp/ptp_kvm_x86.c +++ b/drivers/ptp/ptp_kvm_x86.c @@ -15,8 +15,6 @@ #include <linux/ptp_clock_kernel.h> #include <linux/ptp_kvm.h> -struct pvclock_vsyscall_time_info *hv_clock; - static phys_addr_t clock_pair_gpa; static struct kvm_clock_pairing clock_pair; @@ -28,8 +26,7 @@ int kvm_arch_ptp_init(void) return -ENODEV; clock_pair_gpa = slow_virt_to_phys(&clock_pair); - hv_clock = pvclock_get_pvti_cpu0_va(); - if (!hv_clock) + if (!pvclock_get_pvti_cpu0_va()) return -ENODEV; ret = kvm_hypercall2(KVM_HC_CLOCK_PAIRING, clock_pair_gpa, @@ -64,10 +61,8 @@ int kvm_arch_ptp_get_crosststamp(u64 *cycle, struct timespec64 *tspec, struct pvclock_vcpu_time_info *src; unsigned int version; long ret; - int cpu; - cpu = smp_processor_id(); - src = &hv_clock[cpu].pvti; + src = this_cpu_pvti(); do { /* diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c index a17e8cc642c5..8070f3fd98f0 100644 --- a/drivers/ptp/ptp_pch.c +++ b/drivers/ptp/ptp_pch.c @@ -644,6 +644,7 @@ static const struct pci_device_id pch_ieee1588_pcidev_id[] = { }, {0} }; +MODULE_DEVICE_TABLE(pci, pch_ieee1588_pcidev_id); static SIMPLE_DEV_PM_OPS(pch_pm_ops, pch_suspend, pch_resume); diff --git a/drivers/regulator/max14577-regulator.c b/drivers/regulator/max14577-regulator.c index 1d78b455cc48..e34face736f4 100644 --- a/drivers/regulator/max14577-regulator.c +++ b/drivers/regulator/max14577-regulator.c @@ -269,5 +269,3 @@ module_exit(max14577_regulator_exit); MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>"); MODULE_DESCRIPTION("Maxim 14577/77836 regulator driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:max14577-regulator"); -MODULE_ALIAS("platform:max77836-regulator"); diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c index 6cca910a76de..7f458d510483 100644 --- a/drivers/regulator/qcom-rpmh-regulator.c +++ b/drivers/regulator/qcom-rpmh-regulator.c @@ -991,7 +991,7 @@ static const struct rpmh_vreg_init_data pm8009_1_vreg_data[] = { RPMH_VREG("ldo4", "ldo%s4", &pmic5_nldo, "vdd-l4"), RPMH_VREG("ldo5", "ldo%s5", &pmic5_pldo, "vdd-l5-l6"), RPMH_VREG("ldo6", "ldo%s6", &pmic5_pldo, "vdd-l5-l6"), - RPMH_VREG("ldo7", "ldo%s6", &pmic5_pldo_lv, "vdd-l7"), + RPMH_VREG("ldo7", "ldo%s7", &pmic5_pldo_lv, "vdd-l7"), {} }; diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index eb15067a605e..4eb53412b808 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1047,7 +1047,9 @@ static void cmos_check_wkalrm(struct device *dev) * ACK the rtc irq here */ if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) { + local_irq_disable(); cmos_interrupt(0, (void *)cmos->rtc); + local_irq_enable(); return; } diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index 2f3515fa242a..f3d5c7f4c13d 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -45,13 +45,14 @@ static void __init sclp_early_facilities_detect(void) sclp.has_gisaf = !!(sccb->fac118 & 0x08); sclp.has_hvs = !!(sccb->fac119 & 0x80); sclp.has_kss = !!(sccb->fac98 & 0x01); - sclp.has_sipl = !!(sccb->cbl & 0x4000); if (sccb->fac85 & 0x02) S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP; if (sccb->fac91 & 0x40) S390_lowcore.machine_flags |= MACHINE_FLAG_TLB_GUEST; if (sccb->cpuoff > 134) sclp.has_diag318 = !!(sccb->byte_134 & 0x80); + if (sccb->cpuoff > 137) + sclp.has_sipl = !!(sccb->cbl & 0x4000); sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2; sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2; sclp.rzm <<= 20; diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index f3c656975e05..93695d535380 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -262,10 +262,12 @@ static int blacklist_parse_proc_parameters(char *buf) if (strcmp("free", parm) == 0) { rc = blacklist_parse_parameters(buf, free, 0); - /* There could be subchannels without proper devices connected. - * evaluate all the entries + /* + * Evaluate the subchannels without an online device. This way, + * no path-verification will be triggered on those subchannels + * and it avoids unnecessary delays. */ - css_schedule_eval_all(); + css_schedule_eval_cond(CSS_EVAL_NOT_ONLINE, 0); } else if (strcmp("add", parm) == 0) rc = blacklist_parse_parameters(buf, add, 0); else if (strcmp("purge", parm) == 0) diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 2ec741106cb6..f0538609dfe4 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -77,12 +77,13 @@ EXPORT_SYMBOL(ccwgroup_set_online); /** * ccwgroup_set_offline() - disable a ccwgroup device * @gdev: target ccwgroup device + * @call_gdrv: Call the registered gdrv set_offline function * * This function attempts to put the ccwgroup device into the offline state. * Returns: * %0 on success and a negative error value on failure. */ -int ccwgroup_set_offline(struct ccwgroup_device *gdev) +int ccwgroup_set_offline(struct ccwgroup_device *gdev, bool call_gdrv) { struct ccwgroup_driver *gdrv = to_ccwgroupdrv(gdev->dev.driver); int ret = -EINVAL; @@ -91,11 +92,16 @@ int ccwgroup_set_offline(struct ccwgroup_device *gdev) return -EAGAIN; if (gdev->state == CCWGROUP_OFFLINE) goto out; + if (!call_gdrv) { + ret = 0; + goto offline; + } if (gdrv->set_offline) ret = gdrv->set_offline(gdev); if (ret) goto out; +offline: gdev->state = CCWGROUP_OFFLINE; out: atomic_set(&gdev->onoff, 0); @@ -124,7 +130,7 @@ static ssize_t ccwgroup_online_store(struct device *dev, if (value == 1) ret = ccwgroup_set_online(gdev); else if (value == 0) - ret = ccwgroup_set_offline(gdev); + ret = ccwgroup_set_offline(gdev, true); else ret = -EINVAL; out: diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 3377097e65de..44461928aab8 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -788,27 +788,49 @@ static int __unset_registered(struct device *dev, void *data) return 0; } -void css_schedule_eval_all_unreg(unsigned long delay) +static int __unset_online(struct device *dev, void *data) +{ + struct idset *set = data; + struct subchannel *sch = to_subchannel(dev); + struct ccw_device *cdev = sch_get_cdev(sch); + + if (cdev && cdev->online) + idset_sch_del(set, sch->schid); + + return 0; +} + +void css_schedule_eval_cond(enum css_eval_cond cond, unsigned long delay) { unsigned long flags; - struct idset *unreg_set; + struct idset *set; /* Find unregistered subchannels. */ - unreg_set = idset_sch_new(); - if (!unreg_set) { + set = idset_sch_new(); + if (!set) { /* Fallback. */ css_schedule_eval_all(); return; } - idset_fill(unreg_set); - bus_for_each_dev(&css_bus_type, NULL, unreg_set, __unset_registered); + idset_fill(set); + switch (cond) { + case CSS_EVAL_UNREG: + bus_for_each_dev(&css_bus_type, NULL, set, __unset_registered); + break; + case CSS_EVAL_NOT_ONLINE: + bus_for_each_dev(&css_bus_type, NULL, set, __unset_online); + break; + default: + break; + } + /* Apply to slow_subchannel_set. */ spin_lock_irqsave(&slow_subchannel_lock, flags); - idset_add_set(slow_subchannel_set, unreg_set); + idset_add_set(slow_subchannel_set, set); atomic_set(&css_eval_scheduled, 1); queue_delayed_work(cio_work_q, &slow_path_work, delay); spin_unlock_irqrestore(&slow_subchannel_lock, flags); - idset_free(unreg_set); + idset_free(set); } void css_wait_for_slow_path(void) @@ -820,7 +842,7 @@ void css_wait_for_slow_path(void) void css_schedule_reprobe(void) { /* Schedule with a delay to allow merging of subsequent calls. */ - css_schedule_eval_all_unreg(1 * HZ); + css_schedule_eval_cond(CSS_EVAL_UNREG, 1 * HZ); } EXPORT_SYMBOL_GPL(css_schedule_reprobe); diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index c98522cbe276..ede0b905bc6f 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -34,6 +34,14 @@ #define SNID_STATE3_MULTI_PATH 1 #define SNID_STATE3_SINGLE_PATH 0 +/* + * Conditions used to specify which subchannels need evaluation + */ +enum css_eval_cond { + CSS_EVAL_UNREG, /* unregistered subchannels */ + CSS_EVAL_NOT_ONLINE /* sch without an online-device */ +}; + struct path_state { __u8 state1 : 2; /* path state value 1 */ __u8 state2 : 2; /* path state value 2 */ @@ -136,7 +144,7 @@ static inline struct channel_subsystem *css_by_id(u8 cssid) /* Helper functions to build lists for the slow path. */ void css_schedule_eval(struct subchannel_id schid); void css_schedule_eval_all(void); -void css_schedule_eval_all_unreg(unsigned long delay); +void css_schedule_eval_cond(enum css_eval_cond, unsigned long delay); int css_complete_work(void); int sch_is_pseudo_sch(struct subchannel *); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index f433428057d9..d9b804943d19 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -213,7 +213,6 @@ static inline int ap_fetch_qci_info(struct ap_config_info *info) * ap_init_qci_info(): Allocate and query qci config info. * Does also update the static variables ap_max_domain_id * and ap_max_adapter_id if this info is available. - */ static void __init ap_init_qci_info(void) { @@ -439,6 +438,7 @@ static enum hrtimer_restart ap_poll_timeout(struct hrtimer *unused) /** * ap_interrupt_handler() - Schedule ap_tasklet on interrupt * @airq: pointer to adapter interrupt descriptor + * @floating: ignored */ static void ap_interrupt_handler(struct airq_struct *airq, bool floating) { @@ -1786,6 +1786,7 @@ static inline void ap_scan_adapter(int ap) /** * ap_scan_bus(): Scan the AP bus for new devices * Runs periodically, workqueue timer (ap_config_time) + * @unused: Unused pointer. */ static void ap_scan_bus(struct work_struct *unused) { diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index d70c4d3d0907..9ea48bf0ee40 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -20,7 +20,7 @@ static void __ap_flush_queue(struct ap_queue *aq); /** * ap_queue_enable_irq(): Enable interrupt support on this AP queue. - * @qid: The AP queue number + * @aq: The AP queue * @ind: the notification indicator byte * * Enables interruption on AP queue via ap_aqic(). Based on the return @@ -311,7 +311,7 @@ static enum ap_sm_wait ap_sm_read_write(struct ap_queue *aq) /** * ap_sm_reset(): Reset an AP queue. - * @qid: The AP queue number + * @aq: The AP queue * * Submit the Reset command to an AP queue. */ diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c index 118939a7729a..623d5269a52c 100644 --- a/drivers/s390/crypto/vfio_ap_ops.c +++ b/drivers/s390/crypto/vfio_ap_ops.c @@ -361,6 +361,7 @@ err_list: mutex_lock(&matrix_dev->lock); list_del(&matrix_mdev->node); mutex_unlock(&matrix_dev->lock); + vfio_uninit_group_dev(&matrix_mdev->vdev); kfree(matrix_mdev); err_dec_available: atomic_inc(&matrix_dev->available_instances); @@ -376,9 +377,10 @@ static void vfio_ap_mdev_remove(struct mdev_device *mdev) mutex_lock(&matrix_dev->lock); vfio_ap_mdev_reset_queues(matrix_mdev); list_del(&matrix_mdev->node); + mutex_unlock(&matrix_dev->lock); + vfio_uninit_group_dev(&matrix_mdev->vdev); kfree(matrix_mdev); atomic_inc(&matrix_dev->available_instances); - mutex_unlock(&matrix_dev->lock); } static ssize_t name_show(struct mdev_type *mtype, diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 535a60b3946d..a5aa0bdc61d6 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -858,7 +858,6 @@ struct qeth_card { struct napi_struct napi; struct qeth_rx rx; struct delayed_work buffer_reclaim_work; - struct work_struct close_dev_work; }; static inline bool qeth_card_hw_is_reachable(struct qeth_card *card) diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 41ca6273b750..e9807d2996a9 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -70,15 +70,6 @@ static void qeth_issue_next_read_cb(struct qeth_card *card, static int qeth_qdio_establish(struct qeth_card *); static void qeth_free_qdio_queues(struct qeth_card *card); -static void qeth_close_dev_handler(struct work_struct *work) -{ - struct qeth_card *card; - - card = container_of(work, struct qeth_card, close_dev_work); - QETH_CARD_TEXT(card, 2, "cldevhdl"); - ccwgroup_set_offline(card->gdev); -} - static const char *qeth_get_cardname(struct qeth_card *card) { if (IS_VM_NIC(card)) { @@ -202,6 +193,9 @@ static void qeth_clear_working_pool_list(struct qeth_card *card) &card->qdio.in_buf_pool.entry_list, list) list_del(&pool_entry->list); + if (!queue) + return; + for (i = 0; i < ARRAY_SIZE(queue->bufs); i++) queue->bufs[i].pool_entry = NULL; } @@ -792,10 +786,12 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card, case IPA_CMD_STOPLAN: if (cmd->hdr.return_code == IPA_RC_VEPA_TO_VEB_TRANSITION) { dev_err(&card->gdev->dev, - "Interface %s is down because the adjacent port is no longer in reflective relay mode\n", + "Adjacent port of interface %s is no longer in reflective relay mode, trigger recovery\n", netdev_name(card->dev)); - schedule_work(&card->close_dev_work); + /* Set offline, then probably fail to set online: */ + qeth_schedule_recovery(card); } else { + /* stay online for subsequent STARTLAN */ dev_warn(&card->gdev->dev, "The link for interface %s on CHPID 0x%X failed\n", netdev_name(card->dev), card->info.chpid); @@ -1537,7 +1533,6 @@ static void qeth_setup_card(struct qeth_card *card) INIT_LIST_HEAD(&card->ipato.entries); qeth_init_qdio_info(card); INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work); - INIT_WORK(&card->close_dev_work, qeth_close_dev_handler); hash_init(card->rx_mode_addrs); hash_init(card->local_addrs4); hash_init(card->local_addrs6); @@ -5519,7 +5514,8 @@ static int qeth_do_reset(void *data) dev_info(&card->gdev->dev, "Device successfully recovered!\n"); } else { - ccwgroup_set_offline(card->gdev); + qeth_set_offline(card, disc, true); + ccwgroup_set_offline(card->gdev, false); dev_warn(&card->gdev->dev, "The qeth device driver failed to recover an error on the device\n"); } diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 72e84ff9fea5..dc6c00768d91 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -2307,7 +2307,6 @@ static void qeth_l2_remove_device(struct ccwgroup_device *gdev) if (gdev->state == CCWGROUP_ONLINE) qeth_set_offline(card, card->discipline, false); - cancel_work_sync(&card->close_dev_work); if (card->dev->reg_state == NETREG_REGISTERED) { priv = netdev_priv(card->dev); if (priv->brport_features & BR_LEARNING_SYNC) { diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 3a523e700a5a..6fd3e288f059 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1969,7 +1969,6 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev) if (cgdev->state == CCWGROUP_ONLINE) qeth_set_offline(card, card->discipline, false); - cancel_work_sync(&card->close_dev_work); if (card->dev->reg_state == NETREG_REGISTERED) unregister_netdev(card->dev); diff --git a/drivers/scsi/arm/Kconfig b/drivers/scsi/arm/Kconfig index f34badc75196..9f64133f976a 100644 --- a/drivers/scsi/arm/Kconfig +++ b/drivers/scsi/arm/Kconfig @@ -10,17 +10,6 @@ config SCSI_ACORNSCSI_3 This enables support for the Acorn SCSI card (aka30). If you have an Acorn system with one of these, say Y. If unsure, say N. -config SCSI_ACORNSCSI_TAGGED_QUEUE - bool "Support SCSI 2 Tagged queueing" - depends on SCSI_ACORNSCSI_3 - help - Say Y here to enable tagged queuing support on the Acorn SCSI card. - - This is a feature of SCSI-2 which improves performance: the host - adapter can send several SCSI commands to a device's queue even if - previous commands haven't finished yet. Some SCSI devices don't - implement this properly, so the safe answer is N. - config SCSI_ACORNSCSI_SYNC bool "Support SCSI 2 Synchronous Transfers" depends on SCSI_ACORNSCSI_3 diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 4a84599ff491..0cc62c1b0825 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -52,12 +52,8 @@ * You can tell if you have a device that supports tagged queueing my * cating (eg) /proc/scsi/acornscsi/0 and see if the SCSI revision is reported * as '2 TAG'. - * - * Also note that CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE is normally set in the config - * scripts, but disabled here. Once debugged, remove the #undef, otherwise to debug, - * comment out the undef. */ -#undef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE + /* * SCSI-II Synchronous transfer support. * @@ -171,7 +167,7 @@ static void acornscsi_done(AS_Host *host, struct scsi_cmnd **SCpntp, unsigned int result); static int acornscsi_reconnect_finish(AS_Host *host); static void acornscsi_dma_cleanup(AS_Host *host); -static void acornscsi_abortcmd(AS_Host *host, unsigned char tag); +static void acornscsi_abortcmd(AS_Host *host); /* ==================================================================================== * Miscellaneous @@ -741,17 +737,6 @@ intr_ret_t acornscsi_kick(AS_Host *host) #endif if (from_queue) { -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - /* - * tagged queueing - allocate a new tag to this command - */ - if (SCpnt->device->simple_tags) { - SCpnt->device->current_tag += 1; - if (SCpnt->device->current_tag == 0) - SCpnt->device->current_tag = 1; - SCpnt->tag = SCpnt->device->current_tag; - } else -#endif set_bit(SCpnt->device->id * 8 + (u8)(SCpnt->device->lun & 0x07), host->busyluns); @@ -1192,7 +1177,7 @@ void acornscsi_dma_intr(AS_Host *host) * the device recognises the attention. */ if (dmac_read(host, DMAC_STATUS) & STATUS_RQ0) { - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); dmac_write(host, DMAC_TXCNTLO, 0); dmac_write(host, DMAC_TXCNTHI, 0); @@ -1560,23 +1545,6 @@ void acornscsi_message(AS_Host *host) acornscsi_sbic_issuecmd(host, CMND_ASSERTATN); switch (host->scsi.last_message) { -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - case HEAD_OF_QUEUE_TAG: - case ORDERED_QUEUE_TAG: - case SIMPLE_QUEUE_TAG: - /* - * ANSI standard says: (Section SCSI-2 Rev. 10c Sect 5.6.17) - * If a target does not implement tagged queuing and a queue tag - * message is received, it shall respond with a MESSAGE REJECT - * message and accept the I/O process as if it were untagged. - */ - printk(KERN_NOTICE "scsi%d.%c: disabling tagged queueing\n", - host->host->host_no, acornscsi_target(host)); - host->SCpnt->device->simple_tags = 0; - set_bit(host->SCpnt->device->id * 8 + - (u8)(host->SCpnt->device->lun & 0x7), host->busyluns); - break; -#endif case EXTENDED_MESSAGE | (EXTENDED_SDTR << 8): /* * Target can't handle synchronous transfers @@ -1687,24 +1655,11 @@ void acornscsi_buildmessages(AS_Host *host) #if 0 /* does the device need the current command aborted */ if (cmd_aborted) { - acornscsi_abortcmd(host->SCpnt->tag); + acornscsi_abortcmd(host); return; } #endif -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - if (host->SCpnt->tag) { - unsigned int tag_type; - - if (host->SCpnt->cmnd[0] == REQUEST_SENSE || - host->SCpnt->cmnd[0] == TEST_UNIT_READY || - host->SCpnt->cmnd[0] == INQUIRY) - tag_type = HEAD_OF_QUEUE_TAG; - else - tag_type = SIMPLE_QUEUE_TAG; - msgqueue_addmsg(&host->scsi.msgs, 2, tag_type, host->SCpnt->tag); - } -#endif #ifdef CONFIG_SCSI_ACORNSCSI_SYNC if (host->device[host->SCpnt->device->id].sync_state == SYNC_NEGOCIATE) { @@ -1798,7 +1753,7 @@ int acornscsi_reconnect(AS_Host *host) "to reconnect with\n", host->host->host_no, '0' + target); acornscsi_dumplog(host, target); - acornscsi_abortcmd(host, 0); + acornscsi_abortcmd(host); if (host->SCpnt) { queue_add_cmd_tail(&host->queues.disconnected, host->SCpnt); host->SCpnt = NULL; @@ -1821,7 +1776,7 @@ int acornscsi_reconnect_finish(AS_Host *host) host->scsi.disconnectable = 0; if (host->SCpnt->device->id == host->scsi.reconnected.target && host->SCpnt->device->lun == host->scsi.reconnected.lun && - host->SCpnt->tag == host->scsi.reconnected.tag) { + scsi_cmd_to_rq(host->SCpnt)->tag == host->scsi.reconnected.tag) { #if (DEBUG & (DEBUG_QUEUES|DEBUG_DISCON)) DBG(host->SCpnt, printk("scsi%d.%c: reconnected", host->host->host_no, acornscsi_target(host))); @@ -1848,7 +1803,7 @@ int acornscsi_reconnect_finish(AS_Host *host) } if (!host->SCpnt) - acornscsi_abortcmd(host, host->scsi.reconnected.tag); + acornscsi_abortcmd(host); else { /* * Restore data pointer from SAVED pointers. @@ -1889,21 +1844,15 @@ void acornscsi_disconnect_unexpected(AS_Host *host) * Function: void acornscsi_abortcmd(AS_host *host, unsigned char tag) * Purpose : abort a currently executing command * Params : host - host with connected command to abort - * tag - tag to abort */ static -void acornscsi_abortcmd(AS_Host *host, unsigned char tag) +void acornscsi_abortcmd(AS_Host *host) { host->scsi.phase = PHASE_ABORTED; sbic_arm_write(host, SBIC_CMND, CMND_ASSERTATN); msgqueue_flush(&host->scsi.msgs); -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - if (tag) - msgqueue_addmsg(&host->scsi.msgs, 2, ABORT_TAG, tag); - else -#endif - msgqueue_addmsg(&host->scsi.msgs, 1, ABORT); + msgqueue_addmsg(&host->scsi.msgs, 1, ABORT); } /* ========================================================================================== @@ -1993,7 +1942,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) printk(KERN_ERR "scsi%d.%c: PHASE_CONNECTING, SSR %02X?\n", host->host->host_no, acornscsi_target(host), ssr); acornscsi_dumplog(host, host->SCpnt ? host->SCpnt->device->id : 8); - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); } return INTR_PROCESSING; @@ -2029,7 +1978,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) printk(KERN_ERR "scsi%d.%c: PHASE_CONNECTED, SSR %02X?\n", host->host->host_no, acornscsi_target(host), ssr); acornscsi_dumplog(host, host->SCpnt ? host->SCpnt->device->id : 8); - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); } return INTR_PROCESSING; @@ -2075,20 +2024,20 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) case 0x18: /* -> PHASE_DATAOUT */ /* COMMAND -> DATA OUT */ if (host->scsi.SCp.sent_command != host->SCpnt->cmd_len) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); acornscsi_dma_setup(host, DMA_OUT); if (!acornscsi_starttransfer(host)) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); host->scsi.phase = PHASE_DATAOUT; return INTR_IDLE; case 0x19: /* -> PHASE_DATAIN */ /* COMMAND -> DATA IN */ if (host->scsi.SCp.sent_command != host->SCpnt->cmd_len) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); acornscsi_dma_setup(host, DMA_IN); if (!acornscsi_starttransfer(host)) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); host->scsi.phase = PHASE_DATAIN; return INTR_IDLE; @@ -2156,7 +2105,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) /* MESSAGE IN -> DATA OUT */ acornscsi_dma_setup(host, DMA_OUT); if (!acornscsi_starttransfer(host)) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); host->scsi.phase = PHASE_DATAOUT; return INTR_IDLE; @@ -2165,7 +2114,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) /* MESSAGE IN -> DATA IN */ acornscsi_dma_setup(host, DMA_IN); if (!acornscsi_starttransfer(host)) - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); host->scsi.phase = PHASE_DATAIN; return INTR_IDLE; @@ -2206,7 +2155,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) switch (ssr) { case 0x19: /* -> PHASE_DATAIN */ case 0x89: /* -> PHASE_DATAIN */ - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); return INTR_IDLE; case 0x1b: /* -> PHASE_STATUSIN */ @@ -2255,7 +2204,7 @@ intr_ret_t acornscsi_sbicintr(AS_Host *host, int in_irq) switch (ssr) { case 0x18: /* -> PHASE_DATAOUT */ case 0x88: /* -> PHASE_DATAOUT */ - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); return INTR_IDLE; case 0x1b: /* -> PHASE_STATUSIN */ @@ -2482,7 +2431,6 @@ static int acornscsi_queuecmd_lck(struct scsi_cmnd *SCpnt, SCpnt->scsi_done = done; SCpnt->host_scribble = NULL; SCpnt->result = 0; - SCpnt->tag = 0; SCpnt->SCp.phase = (int)acornscsi_datadirection(SCpnt->cmnd[0]); SCpnt->SCp.sent_command = 0; SCpnt->SCp.scsi_xferred = 0; @@ -2581,7 +2529,7 @@ static enum res_abort acornscsi_do_abort(AS_Host *host, struct scsi_cmnd *SCpnt) break; default: - acornscsi_abortcmd(host, host->SCpnt->tag); + acornscsi_abortcmd(host); res = res_snooze; } local_irq_restore(flags); @@ -2747,9 +2695,6 @@ char *acornscsi_info(struct Scsi_Host *host) #ifdef CONFIG_SCSI_ACORNSCSI_SYNC " SYNC" #endif -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - " TAG" -#endif #if (DEBUG & DEBUG_NO_WRITE) " NOWRITE (" __stringify(NO_WRITE) ")" #endif @@ -2770,9 +2715,6 @@ static int acornscsi_show_info(struct seq_file *m, struct Scsi_Host *instance) #ifdef CONFIG_SCSI_ACORNSCSI_SYNC " SYNC" #endif -#ifdef CONFIG_SCSI_ACORNSCSI_TAGGED_QUEUE - " TAG" -#endif #if (DEBUG & DEBUG_NO_WRITE) " NOWRITE (" __stringify(NO_WRITE) ")" #endif @@ -2827,9 +2769,8 @@ static int acornscsi_show_info(struct seq_file *m, struct Scsi_Host *instance) seq_printf(m, "Device/Lun TaggedQ Sync\n"); seq_printf(m, " %d/%llu ", scd->id, scd->lun); if (scd->tagged_supported) - seq_printf(m, "%3sabled(%3d) ", - scd->simple_tags ? "en" : "dis", - scd->current_tag); + seq_printf(m, "%3sabled ", + scd->simple_tags ? "en" : "dis"); else seq_printf(m, "unsupported "); diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 9c4458a99025..cf71ef488e36 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -77,7 +77,6 @@ * I was thinking that this was a good chip until I found this restriction ;( */ #define SCSI2_SYNC -#undef SCSI2_TAG #undef DEBUG_CONNECT #undef DEBUG_MESSAGES @@ -990,7 +989,7 @@ fas216_reselected_intr(FAS216_Info *info) info->scsi.disconnectable = 0; if (info->SCpnt->device->id == target && info->SCpnt->device->lun == lun && - info->SCpnt->tag == tag) { + scsi_cmd_to_rq(info->SCpnt)->tag == tag) { fas216_log(info, LOG_CONNECT, "reconnected previously executing command"); } else { queue_add_cmd_tail(&info->queues.disconnected, info->SCpnt); @@ -1791,8 +1790,9 @@ static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) /* * add tag message if required */ - if (SCpnt->tag) - msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, SCpnt->tag); + if (SCpnt->device->simple_tags) + msgqueue_addmsg(&info->scsi.msgs, 2, SIMPLE_QUEUE_TAG, + scsi_cmd_to_rq(SCpnt)->tag); do { #ifdef SCSI2_SYNC @@ -1815,20 +1815,8 @@ static void fas216_start_command(FAS216_Info *info, struct scsi_cmnd *SCpnt) static void fas216_allocate_tag(FAS216_Info *info, struct scsi_cmnd *SCpnt) { -#ifdef SCSI2_TAG - /* - * tagged queuing - allocate a new tag to this command - */ - if (SCpnt->device->simple_tags && SCpnt->cmnd[0] != REQUEST_SENSE && - SCpnt->cmnd[0] != INQUIRY) { - SCpnt->device->current_tag += 1; - if (SCpnt->device->current_tag == 0) - SCpnt->device->current_tag = 1; - SCpnt->tag = SCpnt->device->current_tag; - } else -#endif - set_bit(SCpnt->device->id * 8 + - (u8)(SCpnt->device->lun & 0x7), info->busyluns); + set_bit(SCpnt->device->id * 8 + + (u8)(SCpnt->device->lun & 0x7), info->busyluns); info->stats.removes += 1; switch (SCpnt->cmnd[0]) { @@ -2117,7 +2105,6 @@ request_sense: init_SCp(SCpnt); SCpnt->SCp.Message = 0; SCpnt->SCp.Status = 0; - SCpnt->tag = 0; SCpnt->host_scribble = (void *)fas216_rq_sns_done; /* @@ -2223,7 +2210,6 @@ static int fas216_queue_command_lck(struct scsi_cmnd *SCpnt, init_SCp(SCpnt); info->stats.queues += 1; - SCpnt->tag = 0; spin_lock(&info->host_lock); @@ -3003,9 +2989,8 @@ void fas216_print_devices(FAS216_Info *info, struct seq_file *m) dev = &info->device[scd->id]; seq_printf(m, " %d/%llu ", scd->id, scd->lun); if (scd->tagged_supported) - seq_printf(m, "%3sabled(%3d) ", - scd->simple_tags ? "en" : "dis", - scd->current_tag); + seq_printf(m, "%3sabled ", + scd->simple_tags ? "en" : "dis"); else seq_puts(m, "unsupported "); diff --git a/drivers/scsi/arm/queue.c b/drivers/scsi/arm/queue.c index e5559f27669d..c6f71a7d1b8e 100644 --- a/drivers/scsi/arm/queue.c +++ b/drivers/scsi/arm/queue.c @@ -214,7 +214,7 @@ struct scsi_cmnd *queue_remove_tgtluntag(Queue_t *queue, int target, int lun, list_for_each(l, &queue->head) { QE_t *q = list_entry(l, QE_t, list); if (q->SCpnt->device->id == target && q->SCpnt->device->lun == lun && - q->SCpnt->tag == tag) { + scsi_cmd_to_rq(q->SCpnt)->tag == tag) { SCpnt = __queue_remove(queue, l); break; } diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c index 390b07bf92b9..ccbded3353bd 100644 --- a/drivers/scsi/csiostor/csio_init.c +++ b/drivers/scsi/csiostor/csio_init.c @@ -1254,3 +1254,4 @@ MODULE_DEVICE_TABLE(pci, csio_pci_tbl); MODULE_VERSION(CSIO_DRV_VERSION); MODULE_FIRMWARE(FW_FNAME_T5); MODULE_FIRMWARE(FW_FNAME_T6); +MODULE_SOFTDEP("pre: cxgb4"); diff --git a/drivers/scsi/elx/efct/efct_lio.c b/drivers/scsi/elx/efct/efct_lio.c index bb3b460dc0bc..4d73e92909ab 100644 --- a/drivers/scsi/elx/efct/efct_lio.c +++ b/drivers/scsi/elx/efct/efct_lio.c @@ -880,11 +880,11 @@ efct_lio_npiv_drop_nport(struct se_wwn *wwn) struct efct *efct = lio_vport->efct; unsigned long flags = 0; - spin_lock_irqsave(&efct->tgt_efct.efct_lio_lock, flags); - if (lio_vport->fc_vport) fc_vport_terminate(lio_vport->fc_vport); + spin_lock_irqsave(&efct->tgt_efct.efct_lio_lock, flags); + list_for_each_entry_safe(vport, next_vport, &efct->tgt_efct.vport_list, list_entry) { if (vport->lio_vport == lio_vport) { diff --git a/drivers/scsi/elx/efct/efct_scsi.c b/drivers/scsi/elx/efct/efct_scsi.c index 40fb3a724c76..cf2e41dd354c 100644 --- a/drivers/scsi/elx/efct/efct_scsi.c +++ b/drivers/scsi/elx/efct/efct_scsi.c @@ -32,7 +32,7 @@ efct_scsi_io_alloc(struct efct_node *node) struct efct *efct; struct efct_xport *xport; struct efct_io *io; - unsigned long flags = 0; + unsigned long flags; efct = node->efct; @@ -44,7 +44,6 @@ efct_scsi_io_alloc(struct efct_node *node) if (!io) { efc_log_err(efct, "IO alloc Failed\n"); atomic_add_return(1, &xport->io_alloc_failed_count); - spin_unlock_irqrestore(&node->active_ios_lock, flags); return NULL; } diff --git a/drivers/scsi/elx/libefc/efc_device.c b/drivers/scsi/elx/libefc/efc_device.c index 725ca2a23fb2..52be01333c6e 100644 --- a/drivers/scsi/elx/libefc/efc_device.c +++ b/drivers/scsi/elx/libefc/efc_device.c @@ -928,22 +928,21 @@ __efc_d_wait_topology_notify(struct efc_sm_ctx *ctx, break; case EFC_EVT_NPORT_TOPOLOGY_NOTIFY: { - enum efc_nport_topology topology = - (enum efc_nport_topology)arg; + enum efc_nport_topology *topology = arg; WARN_ON(node->nport->domain->attached); WARN_ON(node->send_ls_acc != EFC_NODE_SEND_LS_ACC_PLOGI); node_printf(node, "topology notification, topology=%d\n", - topology); + *topology); /* At the time the PLOGI was received, the topology was unknown, * so we didn't know which node would perform the domain attach: * 1. The node from which the PLOGI was sent (p2p) or * 2. The node to which the FLOGI was sent (fabric). */ - if (topology == EFC_NPORT_TOPO_P2P) { + if (*topology == EFC_NPORT_TOPO_P2P) { /* if this is p2p, need to attach to the domain using * the d_id from the PLOGI received */ diff --git a/drivers/scsi/elx/libefc/efc_fabric.c b/drivers/scsi/elx/libefc/efc_fabric.c index d397220d9e54..3270ce40196c 100644 --- a/drivers/scsi/elx/libefc/efc_fabric.c +++ b/drivers/scsi/elx/libefc/efc_fabric.c @@ -107,7 +107,6 @@ void efc_fabric_notify_topology(struct efc_node *node) { struct efc_node *tmp_node; - enum efc_nport_topology topology = node->nport->topology; unsigned long index; /* @@ -118,7 +117,7 @@ efc_fabric_notify_topology(struct efc_node *node) if (tmp_node != node) { efc_node_post_event(tmp_node, EFC_EVT_NPORT_TOPOLOGY_NOTIFY, - (void *)topology); + &node->nport->topology); } } } diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 4683c183e9d4..5bc91d34df63 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2281,11 +2281,6 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) return FAILED; } - conn = session->leadconn; - iscsi_get_conn(conn->cls_conn); - conn->eh_abort_cnt++; - age = session->age; - spin_lock(&session->back_lock); task = (struct iscsi_task *)sc->SCp.ptr; if (!task || !task->sc) { @@ -2293,8 +2288,16 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) ISCSI_DBG_EH(session, "sc completed while abort in progress\n"); spin_unlock(&session->back_lock); - goto success; + spin_unlock_bh(&session->frwd_lock); + mutex_unlock(&session->eh_mutex); + return SUCCESS; } + + conn = session->leadconn; + iscsi_get_conn(conn->cls_conn); + conn->eh_abort_cnt++; + age = session->age; + ISCSI_DBG_EH(session, "aborting [sc %p itt 0x%x]\n", sc, task->itt); __iscsi_get_task(task); spin_unlock(&session->back_lock); diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index b35bf70a8c0d..ebe417921dac 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -285,11 +285,8 @@ buffer_done: "6312 Catching potential buffer " "overflow > PAGE_SIZE = %lu bytes\n", PAGE_SIZE); - strscpy(buf + PAGE_SIZE - 1 - - strnlen(LPFC_INFO_MORE_STR, PAGE_SIZE - 1), - LPFC_INFO_MORE_STR, - strnlen(LPFC_INFO_MORE_STR, PAGE_SIZE - 1) - + 1); + strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR), + LPFC_INFO_MORE_STR, sizeof(LPFC_INFO_MORE_STR) + 1); } return len; } @@ -6204,7 +6201,8 @@ lpfc_sg_seg_cnt_show(struct device *dev, struct device_attribute *attr, len = scnprintf(buf, PAGE_SIZE, "SGL sz: %d total SGEs: %d\n", phba->cfg_sg_dma_buf_size, phba->cfg_total_seg_cnt); - len += scnprintf(buf + len, PAGE_SIZE, "Cfg: %d SCSI: %d NVME: %d\n", + len += scnprintf(buf + len, PAGE_SIZE - len, + "Cfg: %d SCSI: %d NVME: %d\n", phba->cfg_sg_seg_cnt, phba->cfg_scsi_seg_cnt, phba->cfg_nvme_seg_cnt); return len; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 1254a575fd47..052c0e5b1119 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -4015,11 +4015,11 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, be32_to_cpu(pcgd->desc_tag), be32_to_cpu(pcgd->desc_len), be32_to_cpu(pcgd->xmt_signal_capability), - be32_to_cpu(pcgd->xmt_signal_frequency.count), - be32_to_cpu(pcgd->xmt_signal_frequency.units), + be16_to_cpu(pcgd->xmt_signal_frequency.count), + be16_to_cpu(pcgd->xmt_signal_frequency.units), be32_to_cpu(pcgd->rcv_signal_capability), - be32_to_cpu(pcgd->rcv_signal_frequency.count), - be32_to_cpu(pcgd->rcv_signal_frequency.units)); + be16_to_cpu(pcgd->rcv_signal_frequency.count), + be16_to_cpu(pcgd->rcv_signal_frequency.units)); /* Compare driver and Fport capabilities and choose * least common. @@ -9387,7 +9387,7 @@ lpfc_display_fpin_wwpn(struct lpfc_hba *phba, __be64 *wwnlist, u32 cnt) /* Extract the next WWPN from the payload */ wwn = *wwnlist++; wwpn = be64_to_cpu(wwn); - len += scnprintf(buf + len, LPFC_FPIN_WWPN_LINE_SZ, + len += scnprintf(buf + len, LPFC_FPIN_WWPN_LINE_SZ - len, " %016llx", wwpn); /* Log a message if we are on the last WWPN diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 79a4872c2edb..7359505e6041 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -1167,7 +1167,7 @@ struct lpfc_mbx_read_object { /* Version 0 */ #define lpfc_mbx_rd_object_rlen_MASK 0x00FFFFFF #define lpfc_mbx_rd_object_rlen_WORD word0 uint32_t rd_object_offset; - uint32_t rd_object_name[LPFC_MBX_OBJECT_NAME_LEN_DW]; + __le32 rd_object_name[LPFC_MBX_OBJECT_NAME_LEN_DW]; #define LPFC_OBJ_NAME_SZ 104 /* 26 x sizeof(uint32_t) is 104. */ uint32_t rd_object_cnt; struct lpfc_mbx_host_buf rd_object_hbuf[4]; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 0ec322f0e3cb..195169badb37 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -5518,7 +5518,7 @@ lpfc_cgn_update_stat(struct lpfc_hba *phba, uint32_t dtag) if (phba->cgn_fpin_frequency && phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; - cp->cgn_stat_npm = cpu_to_le32(value); + cp->cgn_stat_npm = value; } value = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); @@ -5547,9 +5547,9 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba) uint32_t mbps; uint32_t dvalue, wvalue, lvalue, avalue; uint64_t latsum; - uint16_t *ptr; - uint32_t *lptr; - uint16_t *mptr; + __le16 *ptr; + __le32 *lptr; + __le16 *mptr; /* Make sure we have a congestion info buffer */ if (!phba->cgn_i) @@ -5570,7 +5570,7 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba) if (phba->cgn_fpin_frequency && phba->cgn_fpin_frequency != LPFC_FPIN_INIT_FREQ) { value = LPFC_CGN_TIMER_TO_MIN / phba->cgn_fpin_frequency; - cp->cgn_stat_npm = cpu_to_le32(value); + cp->cgn_stat_npm = value; } /* Read and clear the latency counters for this minute */ @@ -5753,7 +5753,7 @@ lpfc_cgn_save_evt_cnt(struct lpfc_hba *phba) dvalue += le32_to_cpu(cp->cgn_drvr_hr[i]); wvalue += le32_to_cpu(cp->cgn_warn_hr[i]); lvalue += le32_to_cpu(cp->cgn_latency_hr[i]); - mbps += le32_to_cpu(cp->cgn_bw_hr[i]); + mbps += le16_to_cpu(cp->cgn_bw_hr[i]); avalue += le32_to_cpu(cp->cgn_alarm_hr[i]); } if (lvalue) /* Avg of latency averages */ @@ -8277,11 +8277,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) return 0; out_free_hba_hdwq_info: - free_percpu(phba->sli4_hba.c_stat); #ifdef CONFIG_SCSI_LPFC_DEBUG_FS + free_percpu(phba->sli4_hba.c_stat); out_free_hba_idle_stat: - kfree(phba->sli4_hba.idle_stat); #endif + kfree(phba->sli4_hba.idle_stat); out_free_hba_eq_info: free_percpu(phba->sli4_hba.eq_info); out_free_hba_cpu_map: @@ -13411,8 +13411,8 @@ lpfc_init_congestion_buf(struct lpfc_hba *phba) /* last used Index initialized to 0xff already */ - cp->cgn_warn_freq = LPFC_FPIN_INIT_FREQ; - cp->cgn_alarm_freq = LPFC_FPIN_INIT_FREQ; + cp->cgn_warn_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ); + cp->cgn_alarm_freq = cpu_to_le16(LPFC_FPIN_INIT_FREQ); crc = lpfc_cgn_calc_crc32(cp, LPFC_CGN_INFO_SZ, LPFC_CGN_CRC32_SEED); cp->cgn_info_crc = cpu_to_le32(crc); diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 73a3568ff17e..479b3eed6208 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1489,9 +1489,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, struct lpfc_nvme_qhandle *lpfc_queue_info; struct lpfc_nvme_fcpreq_priv *freqpriv; struct nvme_common_command *sqe; -#ifdef CONFIG_SCSI_LPFC_DEBUG_FS uint64_t start = 0; -#endif /* Validate pointers. LLDD fault handling with transport does * have timing races. diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 0fde1e874c7a..befdf864c43b 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1495,7 +1495,6 @@ static int lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, uint8_t *txop, uint8_t *rxop) { - uint8_t ret = 0; if (sc->prot_flags & SCSI_PROT_IP_CHECKSUM) { switch (scsi_get_prot_op(sc)) { @@ -1548,7 +1547,7 @@ lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, } } - return ret; + return 0; } #endif @@ -5578,12 +5577,8 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd) struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); int err, idx; u8 *uuid = NULL; -#ifdef CONFIG_SCSI_LPFC_DEBUG_FS - uint64_t start = 0L; + uint64_t start; - if (phba->ktime_on) - start = ktime_get_ns(); -#endif start = ktime_get_ns(); rdata = lpfc_rport_data_from_scsi_device(cmnd->device); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index ffd8a140638c..026a1196a54d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -12292,12 +12292,12 @@ void lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; + struct lpfc_nodelist *ndlp = NULL; IOCB_t *irsp = &rspiocb->iocb; /* ELS cmd tag <ulpIoTag> completes */ lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "0139 Ignoring ELS cmd tag x%x completion Data: " + "0139 Ignoring ELS cmd code x%x completion Data: " "x%x x%x x%x\n", irsp->ulpIoTag, irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout); @@ -12305,10 +12305,13 @@ lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * Deref the ndlp after free_iocb. sli_release_iocb will access the ndlp * if exchange is busy. */ - if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) + if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { + ndlp = cmdiocb->context_un.ndlp; lpfc_ct_free_iocb(phba, cmdiocb); - else + } else { + ndlp = (struct lpfc_nodelist *) cmdiocb->context1; lpfc_els_free_iocb(phba, cmdiocb); + } lpfc_nlp_put(ndlp); } @@ -22090,6 +22093,7 @@ lpfc_read_object(struct lpfc_hba *phba, char *rdobject, uint32_t *datap, uint32_t shdr_status, shdr_add_status; union lpfc_sli4_cfg_shdr *shdr; struct lpfc_dmabuf *pcmd; + u32 rd_object_name[LPFC_MBX_OBJECT_NAME_LEN_DW] = {0}; /* sanity check on queue memory */ if (!datap) @@ -22113,10 +22117,10 @@ lpfc_read_object(struct lpfc_hba *phba, char *rdobject, uint32_t *datap, memset((void *)read_object->u.request.rd_object_name, 0, LPFC_OBJ_NAME_SZ); - sprintf((uint8_t *)read_object->u.request.rd_object_name, rdobject); + scnprintf((char *)rd_object_name, sizeof(rd_object_name), rdobject); for (j = 0; j < strlen(rdobject); j++) read_object->u.request.rd_object_name[j] = - cpu_to_le32(read_object->u.request.rd_object_name[j]); + cpu_to_le32(rd_object_name[j]); pcmd = kmalloc(sizeof(*pcmd), GFP_KERNEL); if (pcmd) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index e4298bf4a482..39d8754e63ac 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1916,7 +1916,7 @@ void megasas_set_dynamic_target_properties(struct scsi_device *sdev, raid = MR_LdRaidGet(ld, local_map_ptr); if (raid->capability.ldPiMode == MR_PROT_INFO_TYPE_CONTROLLER) - blk_queue_update_dma_alignment(sdev->request_queue, 0x7); + blk_queue_update_dma_alignment(sdev->request_queue, 0x7); mr_device_priv_data->is_tm_capable = raid->capability.tmCapable; @@ -8033,7 +8033,7 @@ skip_firing_dcmds: if (instance->adapter_type != MFI_SERIES) { megasas_release_fusion(instance); - pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + + pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1)); for (i = 0; i < 2 ; i++) { @@ -8773,8 +8773,7 @@ int megasas_update_device_list(struct megasas_instance *instance, if (event_type & SCAN_VD_CHANNEL) { if (!instance->requestorId || - (instance->requestorId && - megasas_get_ld_vf_affiliation(instance, 0))) { + megasas_get_ld_vf_affiliation(instance, 0)) { dcmd_ret = megasas_ld_list_query(instance, MR_LD_QUERY_TYPE_EXPOSED_TO_HOST); if (dcmd_ret != DCMD_SUCCESS) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 6c82435bc9cc..27eb652b564f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -1582,8 +1582,10 @@ mpt3sas_base_pause_mq_polling(struct MPT3SAS_ADAPTER *ioc) * wait for current poll to complete. */ for (qid = 0; qid < iopoll_q_count; qid++) { - while (atomic_read(&ioc->io_uring_poll_queues[qid].busy)) + while (atomic_read(&ioc->io_uring_poll_queues[qid].busy)) { + cpu_relax(); udelay(500); + } } } diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 770b241d7bb2..1b79f01f03a4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -2178,7 +2178,7 @@ mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, mpt3sas_check_cmd_timeout(ioc, ioc->ctl_cmds.status, mpi_request, sizeof(Mpi2DiagReleaseRequest_t)/4, reset_needed); - *issue_reset = reset_needed; + *issue_reset = reset_needed; rc = -EFAULT; goto out; } diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 2f82b1e629af..d383d4a03436 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -10749,8 +10749,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: _scsih_pcie_topology_change_event(ioc, fw_event); ioc->current_event = NULL; - return; - break; + return; } out: fw_event_work_put(fw_event); diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 7a4f5d4dd670..2b8c6fa5e775 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -1939,11 +1939,8 @@ static void ncr_start_next_ccb (struct ncb *np, struct lcb * lp, int maxn); static void ncr_put_start_queue(struct ncb *np, struct ccb *cp); static void insert_into_waiting_list(struct ncb *np, struct scsi_cmnd *cmd); -static struct scsi_cmnd *retrieve_from_waiting_list(int to_remove, struct ncb *np, struct scsi_cmnd *cmd); static void process_waiting_list(struct ncb *np, int sts); -#define remove_from_waiting_list(np, cmd) \ - retrieve_from_waiting_list(1, (np), (cmd)) #define requeue_waiting_list(np) process_waiting_list((np), DID_OK) #define reset_waiting_list(np) process_waiting_list((np), DID_RESET) @@ -7997,26 +7994,6 @@ static void insert_into_waiting_list(struct ncb *np, struct scsi_cmnd *cmd) } } -static struct scsi_cmnd *retrieve_from_waiting_list(int to_remove, struct ncb *np, struct scsi_cmnd *cmd) -{ - struct scsi_cmnd **pcmd = &np->waiting_list; - - while (*pcmd) { - if (cmd == *pcmd) { - if (to_remove) { - *pcmd = (struct scsi_cmnd *) cmd->next_wcmd; - cmd->next_wcmd = NULL; - } -#ifdef DEBUG_WAITING_LIST - printk("%s: cmd %lx retrieved from waiting list\n", ncr_name(np), (u_long) cmd); -#endif - return cmd; - } - pcmd = (struct scsi_cmnd **) &(*pcmd)->next_wcmd; - } - return NULL; -} - static void process_waiting_list(struct ncb *np, int sts) { struct scsi_cmnd *waiting_list, *wcmd; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 1e4e3e83b5c7..5fc7697f0af4 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -7169,7 +7169,8 @@ qla2x00_abort_isp(scsi_qla_host_t *vha) return 0; break; case QLA2XXX_INI_MODE_DUAL: - if (!qla_dual_mode_enabled(vha)) + if (!qla_dual_mode_enabled(vha) && + !qla_ini_mode_enabled(vha)) return 0; break; case QLA2XXX_INI_MODE_ENABLED: diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index ece60267b971..b26f2699adb2 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2634,7 +2634,7 @@ static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, } if (unlikely(logit)) - ql_log(ql_log_warn, fcport->vha, 0x5060, + ql_log(ql_dbg_io, fcport->vha, 0x5060, "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", sp->name, sp->handle, comp_status, fd->transferred_length, le32_to_cpu(sts->residual_len), @@ -3491,7 +3491,7 @@ check_scsi_status: out: if (logit) - ql_log(ql_log_warn, fcport->vha, 0x3022, + ql_log(ql_dbg_io, fcport->vha, 0x3022, "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", comp_status, scsi_status, res, vha->host_no, cp->device->id, cp->device->lun, fcport->d_id.b.domain, diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index d8b05d8b5470..922e4c7bd88e 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -441,9 +441,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, struct iscsi_transport *t = iface->transport; int param = -1; - if (attr == &dev_attr_iface_enabled.attr) - param = ISCSI_NET_PARAM_IFACE_ENABLE; - else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr) + if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr) param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO; else if (attr == &dev_attr_iface_header_digest.attr) param = ISCSI_IFACE_PARAM_HDRDGST_EN; @@ -483,7 +481,9 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, if (param != -1) return t->attr_is_visible(ISCSI_IFACE_PARAM, param); - if (attr == &dev_attr_iface_vlan_id.attr) + if (attr == &dev_attr_iface_enabled.attr) + param = ISCSI_NET_PARAM_IFACE_ENABLE; + else if (attr == &dev_attr_iface_vlan_id.attr) param = ISCSI_NET_PARAM_VLAN_ID; else if (attr == &dev_attr_iface_vlan_priority.attr) param = ISCSI_NET_PARAM_VLAN_PRIORITY; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index cbd9999f93a6..523bf2fdc253 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2124,6 +2124,8 @@ sd_spinup_disk(struct scsi_disk *sdkp) retries = 0; do { + bool media_was_present = sdkp->media_present; + cmd[0] = TEST_UNIT_READY; memset((void *) &cmd[1], 0, 9); @@ -2138,7 +2140,8 @@ sd_spinup_disk(struct scsi_disk *sdkp) * with any more polling. */ if (media_not_present(sdkp, &sshdr)) { - sd_printk(KERN_NOTICE, sdkp, "Media removed, stopped polling\n"); + if (media_was_present) + sd_printk(KERN_NOTICE, sdkp, "Media removed, stopped polling\n"); return; } @@ -3401,15 +3404,16 @@ static int sd_probe(struct device *dev) } device_initialize(&sdkp->dev); - sdkp->dev.parent = dev; + sdkp->dev.parent = get_device(dev); sdkp->dev.class = &sd_disk_class; dev_set_name(&sdkp->dev, "%s", dev_name(dev)); error = device_add(&sdkp->dev); - if (error) - goto out_free_index; + if (error) { + put_device(&sdkp->dev); + goto out; + } - get_device(dev); dev_set_drvdata(dev, sdkp); gd->major = sd_major((index & 0xf0) >> 4); diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index b9757f24b0d6..ed06798983f8 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -154,8 +154,8 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp, /* * Report zone buffer size should be at most 64B times the number of - * zones requested plus the 64B reply header, but should be at least - * SECTOR_SIZE for ATA devices. + * zones requested plus the 64B reply header, but should be aligned + * to SECTOR_SIZE for ATA devices. * Make sure that this size does not exceed the hardware capabilities. * Furthermore, since the report zone command cannot be split, make * sure that the allocated buffer can always be mapped by limiting the @@ -174,7 +174,7 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp, *buflen = bufsize; return buf; } - bufsize >>= 1; + bufsize = rounddown(bufsize >> 1, SECTOR_SIZE); } return NULL; @@ -280,7 +280,7 @@ static void sd_zbc_update_wp_offset_workfn(struct work_struct *work) { struct scsi_disk *sdkp; unsigned long flags; - unsigned int zno; + sector_t zno; int ret; sdkp = container_of(work, struct scsi_disk, zone_wp_offset_work); diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index c2afba2a5414..0a1734f34587 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -87,9 +87,16 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code, 0 }; unsigned char recv_page_code; + unsigned int retries = SES_RETRIES; + struct scsi_sense_hdr sshdr; + + do { + ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, + &sshdr, SES_TIMEOUT, 1, NULL); + } while (ret > 0 && --retries && scsi_sense_valid(&sshdr) && + (sshdr.sense_key == NOT_READY || + (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29))); - ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, - NULL, SES_TIMEOUT, SES_RETRIES, NULL); if (unlikely(ret)) return ret; @@ -111,7 +118,7 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code, static int ses_send_diag(struct scsi_device *sdev, int page_code, void *buf, int bufflen) { - u32 result; + int result; unsigned char cmd[] = { SEND_DIAGNOSTIC, @@ -121,9 +128,16 @@ static int ses_send_diag(struct scsi_device *sdev, int page_code, bufflen & 0xff, 0 }; + struct scsi_sense_hdr sshdr; + unsigned int retries = SES_RETRIES; + + do { + result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen, + &sshdr, SES_TIMEOUT, 1, NULL); + } while (result > 0 && --retries && scsi_sense_valid(&sshdr) && + (sshdr.sense_key == NOT_READY || + (sshdr.sense_key == UNIT_ATTENTION && sshdr.asc == 0x29))); - result = scsi_execute_req(sdev, cmd, DMA_TO_DEVICE, buf, bufflen, - NULL, SES_TIMEOUT, SES_RETRIES, NULL); if (result) sdev_printk(KERN_ERR, sdev, "SEND DIAGNOSTIC result: %8x\n", result); diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 79d9aa2df528..ddd00efc4882 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -523,7 +523,7 @@ static int sr_read_sector(Scsi_CD *cd, int lba, int blksize, unsigned char *dest return rc; cd->readcd_known = 0; sr_printk(KERN_INFO, cd, - "CDROM does'nt support READ CD (0xbe) command\n"); + "CDROM doesn't support READ CD (0xbe) command\n"); /* fall & retry the other way */ } /* ... if this fails, we switch the blocksize using MODE SELECT */ diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 9d04929f03a1..ae8636d3780b 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -3823,6 +3823,7 @@ static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg) case CDROM_SEND_PACKET: if (!capable(CAP_SYS_RAWIO)) return -EPERM; + break; default: break; } diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c index b3bcc5c882da..149c1aa09103 100644 --- a/drivers/scsi/ufs/ufshcd-pci.c +++ b/drivers/scsi/ufs/ufshcd-pci.c @@ -128,6 +128,81 @@ static int ufs_intel_link_startup_notify(struct ufs_hba *hba, return err; } +static int ufs_intel_set_lanes(struct ufs_hba *hba, u32 lanes) +{ + struct ufs_pa_layer_attr pwr_info = hba->pwr_info; + int ret; + + pwr_info.lane_rx = lanes; + pwr_info.lane_tx = lanes; + ret = ufshcd_config_pwr_mode(hba, &pwr_info); + if (ret) + dev_err(hba->dev, "%s: Setting %u lanes, err = %d\n", + __func__, lanes, ret); + return ret; +} + +static int ufs_intel_lkf_pwr_change_notify(struct ufs_hba *hba, + enum ufs_notify_change_status status, + struct ufs_pa_layer_attr *dev_max_params, + struct ufs_pa_layer_attr *dev_req_params) +{ + int err = 0; + + switch (status) { + case PRE_CHANGE: + if (ufshcd_is_hs_mode(dev_max_params) && + (hba->pwr_info.lane_rx != 2 || hba->pwr_info.lane_tx != 2)) + ufs_intel_set_lanes(hba, 2); + memcpy(dev_req_params, dev_max_params, sizeof(*dev_req_params)); + break; + case POST_CHANGE: + if (ufshcd_is_hs_mode(dev_req_params)) { + u32 peer_granularity; + + usleep_range(1000, 1250); + err = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_GRANULARITY), + &peer_granularity); + } + break; + default: + break; + } + + return err; +} + +static int ufs_intel_lkf_apply_dev_quirks(struct ufs_hba *hba) +{ + u32 granularity, peer_granularity; + u32 pa_tactivate, peer_pa_tactivate; + int ret; + + ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_GRANULARITY), &granularity); + if (ret) + goto out; + + ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_GRANULARITY), &peer_granularity); + if (ret) + goto out; + + ret = ufshcd_dme_get(hba, UIC_ARG_MIB(PA_TACTIVATE), &pa_tactivate); + if (ret) + goto out; + + ret = ufshcd_dme_peer_get(hba, UIC_ARG_MIB(PA_TACTIVATE), &peer_pa_tactivate); + if (ret) + goto out; + + if (granularity == peer_granularity) { + u32 new_peer_pa_tactivate = pa_tactivate + 2; + + ret = ufshcd_dme_peer_set(hba, UIC_ARG_MIB(PA_TACTIVATE), new_peer_pa_tactivate); + } +out: + return ret; +} + #define INTEL_ACTIVELTR 0x804 #define INTEL_IDLELTR 0x808 @@ -351,6 +426,7 @@ static int ufs_intel_lkf_init(struct ufs_hba *hba) struct ufs_host *ufs_host; int err; + hba->nop_out_timeout = 200; hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8; hba->caps |= UFSHCD_CAP_CRYPTO; err = ufs_intel_common_init(hba); @@ -381,6 +457,8 @@ static struct ufs_hba_variant_ops ufs_intel_lkf_hba_vops = { .exit = ufs_intel_common_exit, .hce_enable_notify = ufs_intel_hce_enable_notify, .link_startup_notify = ufs_intel_link_startup_notify, + .pwr_change_notify = ufs_intel_lkf_pwr_change_notify, + .apply_dev_quirks = ufs_intel_lkf_apply_dev_quirks, .resume = ufs_intel_resume, .device_reset = ufs_intel_device_reset, }; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3841ab49f556..95be7ecdfe10 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -17,8 +17,6 @@ #include <linux/blk-pm.h> #include <linux/blkdev.h> #include <scsi/scsi_driver.h> -#include <scsi/scsi_transport.h> -#include "../scsi_transport_api.h" #include "ufshcd.h" #include "ufs_quirks.h" #include "unipro.h" @@ -237,6 +235,7 @@ static int ufshcd_scale_clks(struct ufs_hba *hba, bool scale_up); static irqreturn_t ufshcd_intr(int irq, void *__hba); static int ufshcd_change_power_mode(struct ufs_hba *hba, struct ufs_pa_layer_attr *pwr_mode); +static void ufshcd_schedule_eh_work(struct ufs_hba *hba); static int ufshcd_setup_hba_vreg(struct ufs_hba *hba, bool on); static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on); static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba, @@ -319,8 +318,7 @@ static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag, enum ufs_trace_str_t str_t) { - int off = (int)tag - hba->nutrs; - struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[off]; + struct utp_task_req_desc *descp = &hba->utmrdl_base_addr[tag]; if (!trace_ufshcd_upiu_enabled()) return; @@ -2759,8 +2757,13 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) out: up_read(&hba->clk_scaling_lock); - if (ufs_trigger_eh()) - scsi_schedule_eh(hba->host); + if (ufs_trigger_eh()) { + unsigned long flags; + + spin_lock_irqsave(hba->host->host_lock, flags); + ufshcd_schedule_eh_work(hba); + spin_unlock_irqrestore(hba->host->host_lock, flags); + } return err; } @@ -3919,35 +3922,6 @@ out: } EXPORT_SYMBOL_GPL(ufshcd_dme_get_attr); -static inline bool ufshcd_is_saved_err_fatal(struct ufs_hba *hba) -{ - lockdep_assert_held(hba->host->host_lock); - - return (hba->saved_uic_err & UFSHCD_UIC_DL_PA_INIT_ERROR) || - (hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)); -} - -static void ufshcd_schedule_eh(struct ufs_hba *hba) -{ - bool schedule_eh = false; - unsigned long flags; - - spin_lock_irqsave(hba->host->host_lock, flags); - /* handle fatal errors only when link is not in error state */ - if (hba->ufshcd_state != UFSHCD_STATE_ERROR) { - if (hba->force_reset || ufshcd_is_link_broken(hba) || - ufshcd_is_saved_err_fatal(hba)) - hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_FATAL; - else - hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_NON_FATAL; - schedule_eh = true; - } - spin_unlock_irqrestore(hba->host->host_lock, flags); - - if (schedule_eh) - scsi_schedule_eh(hba->host); -} - /** * ufshcd_uic_pwr_ctrl - executes UIC commands (which affects the link power * state) and waits for it to take effect. @@ -3968,7 +3942,6 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd) { DECLARE_COMPLETION_ONSTACK(uic_async_done); unsigned long flags; - bool schedule_eh = false; u8 status; int ret; bool reenable_intr = false; @@ -4038,14 +4011,10 @@ out: ufshcd_enable_intr(hba, UIC_COMMAND_COMPL); if (ret) { ufshcd_set_link_broken(hba); - schedule_eh = true; + ufshcd_schedule_eh_work(hba); } - out_unlock: spin_unlock_irqrestore(hba->host->host_lock, flags); - - if (schedule_eh) - ufshcd_schedule_eh(hba); mutex_unlock(&hba->uic_cmd_mutex); return ret; @@ -4776,7 +4745,7 @@ static int ufshcd_verify_dev_init(struct ufs_hba *hba) mutex_lock(&hba->dev_cmd.lock); for (retries = NOP_OUT_RETRIES; retries > 0; retries--) { err = ufshcd_exec_dev_cmd(hba, DEV_CMD_TYPE_NOP, - NOP_OUT_TIMEOUT); + hba->nop_out_timeout); if (!err || err == -ETIMEDOUT) break; @@ -5911,6 +5880,27 @@ out: return err_handling; } +/* host lock must be held before calling this func */ +static inline bool ufshcd_is_saved_err_fatal(struct ufs_hba *hba) +{ + return (hba->saved_uic_err & UFSHCD_UIC_DL_PA_INIT_ERROR) || + (hba->saved_err & (INT_FATAL_ERRORS | UFSHCD_UIC_HIBERN8_MASK)); +} + +/* host lock must be held before calling this func */ +static inline void ufshcd_schedule_eh_work(struct ufs_hba *hba) +{ + /* handle fatal errors only when link is not in error state */ + if (hba->ufshcd_state != UFSHCD_STATE_ERROR) { + if (hba->force_reset || ufshcd_is_link_broken(hba) || + ufshcd_is_saved_err_fatal(hba)) + hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_FATAL; + else + hba->ufshcd_state = UFSHCD_STATE_EH_SCHEDULED_NON_FATAL; + queue_work(hba->eh_wq, &hba->eh_work); + } +} + static void ufshcd_clk_scaling_allow(struct ufs_hba *hba, bool allow) { down_write(&hba->clk_scaling_lock); @@ -6044,11 +6034,11 @@ static bool ufshcd_is_pwr_mode_restore_needed(struct ufs_hba *hba) /** * ufshcd_err_handler - handle UFS errors that require s/w attention - * @host: SCSI host pointer + * @work: pointer to work structure */ -static void ufshcd_err_handler(struct Scsi_Host *host) +static void ufshcd_err_handler(struct work_struct *work) { - struct ufs_hba *hba = shost_priv(host); + struct ufs_hba *hba; unsigned long flags; bool err_xfer = false; bool err_tm = false; @@ -6056,9 +6046,10 @@ static void ufshcd_err_handler(struct Scsi_Host *host) int tag; bool needs_reset = false, needs_restore = false; + hba = container_of(work, struct ufs_hba, eh_work); + down(&hba->host_sem); spin_lock_irqsave(hba->host->host_lock, flags); - hba->host->host_eh_scheduled = 0; if (ufshcd_err_handling_should_stop(hba)) { if (hba->ufshcd_state != UFSHCD_STATE_ERROR) hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; @@ -6371,6 +6362,7 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba, u32 intr_status) "host_regs: "); ufshcd_print_pwr_info(hba); } + ufshcd_schedule_eh_work(hba); retval |= IRQ_HANDLED; } /* @@ -6382,34 +6374,9 @@ static irqreturn_t ufshcd_check_errors(struct ufs_hba *hba, u32 intr_status) hba->errors = 0; hba->uic_error = 0; spin_unlock(hba->host->host_lock); - - if (queue_eh_work) - ufshcd_schedule_eh(hba); - return retval; } -struct ctm_info { - struct ufs_hba *hba; - unsigned long pending; - unsigned int ncpl; -}; - -static bool ufshcd_compl_tm(struct request *req, void *priv, bool reserved) -{ - struct ctm_info *const ci = priv; - struct completion *c; - - WARN_ON_ONCE(reserved); - if (test_bit(req->tag, &ci->pending)) - return true; - ci->ncpl++; - c = req->end_io_data; - if (c) - complete(c); - return true; -} - /** * ufshcd_tmc_handler - handle task management function completion * @hba: per adapter instance @@ -6420,18 +6387,24 @@ static bool ufshcd_compl_tm(struct request *req, void *priv, bool reserved) */ static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba) { - unsigned long flags; - struct request_queue *q = hba->tmf_queue; - struct ctm_info ci = { - .hba = hba, - }; + unsigned long flags, pending, issued; + irqreturn_t ret = IRQ_NONE; + int tag; + + pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); spin_lock_irqsave(hba->host->host_lock, flags); - ci.pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); - blk_mq_tagset_busy_iter(q->tag_set, ufshcd_compl_tm, &ci); + issued = hba->outstanding_tasks & ~pending; + for_each_set_bit(tag, &issued, hba->nutmrs) { + struct request *req = hba->tmf_rqs[tag]; + struct completion *c = req->end_io_data; + + complete(c); + ret = IRQ_HANDLED; + } spin_unlock_irqrestore(hba->host->host_lock, flags); - return ci.ncpl ? IRQ_HANDLED : IRQ_NONE; + return ret; } /** @@ -6554,9 +6527,9 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba, ufshcd_hold(hba, false); spin_lock_irqsave(host->host_lock, flags); - blk_mq_start_request(req); task_tag = req->tag; + hba->tmf_rqs[req->tag] = req; treq->upiu_req.req_header.dword_0 |= cpu_to_be32(task_tag); memcpy(hba->utmrdl_base_addr + task_tag, treq, sizeof(*treq)); @@ -6597,6 +6570,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba, } spin_lock_irqsave(hba->host->host_lock, flags); + hba->tmf_rqs[req->tag] = NULL; __clear_bit(task_tag, &hba->outstanding_tasks); spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -6876,7 +6850,7 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd) err = ufshcd_clear_cmd(hba, pos); if (err) break; - __ufshcd_transfer_req_compl(hba, pos, /*retry_requests=*/true); + __ufshcd_transfer_req_compl(hba, 1U << pos, false); } } @@ -7048,17 +7022,15 @@ static int ufshcd_abort(struct scsi_cmnd *cmd) * will be to send LU reset which, again, is a spec violation. * To avoid these unnecessary/illegal steps, first we clean up * the lrb taken by this cmd and re-set it in outstanding_reqs, - * then queue the error handler and bail. + * then queue the eh_work and bail. */ if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) { ufshcd_update_evt_hist(hba, UFS_EVT_ABORT, lrbp->lun); spin_lock_irqsave(host->host_lock, flags); hba->force_reset = true; + ufshcd_schedule_eh_work(hba); spin_unlock_irqrestore(host->host_lock, flags); - - ufshcd_schedule_eh(hba); - goto release; } @@ -7191,10 +7163,11 @@ static int ufshcd_eh_host_reset_handler(struct scsi_cmnd *cmd) spin_lock_irqsave(hba->host->host_lock, flags); hba->force_reset = true; + ufshcd_schedule_eh_work(hba); dev_err(hba->dev, "%s: reset in progress - 1\n", __func__); spin_unlock_irqrestore(hba->host->host_lock, flags); - ufshcd_err_handler(hba->host); + flush_work(&hba->eh_work); spin_lock_irqsave(hba->host->host_lock, flags); if (hba->ufshcd_state == UFSHCD_STATE_ERROR) @@ -8604,6 +8577,8 @@ static void ufshcd_hba_exit(struct ufs_hba *hba) if (hba->is_powered) { ufshcd_exit_clk_scaling(hba); ufshcd_exit_clk_gating(hba); + if (hba->eh_wq) + destroy_workqueue(hba->eh_wq); ufs_debugfs_hba_exit(hba); ufshcd_variant_hba_exit(hba); ufshcd_setup_vreg(hba, false); @@ -9448,10 +9423,6 @@ static int ufshcd_set_dma_mask(struct ufs_hba *hba) return dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(32)); } -static struct scsi_transport_template ufshcd_transport_template = { - .eh_strategy_handler = ufshcd_err_handler, -}; - /** * ufshcd_alloc_host - allocate Host Bus Adapter (HBA) * @dev: pointer to device handle @@ -9478,11 +9449,11 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle) err = -ENOMEM; goto out_error; } - host->transportt = &ufshcd_transport_template; hba = shost_priv(host); hba->host = host; hba->dev = dev; hba->dev_ref_clk_freq = REF_CLK_FREQ_INVAL; + hba->nop_out_timeout = NOP_OUT_TIMEOUT; INIT_LIST_HEAD(&hba->clk_list_head); spin_lock_init(&hba->outstanding_lock); @@ -9517,6 +9488,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) int err; struct Scsi_Host *host = hba->host; struct device *dev = hba->dev; + char eh_wq_name[sizeof("ufs_eh_wq_00")]; if (!mmio_base) { dev_err(hba->dev, @@ -9570,6 +9542,17 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) hba->max_pwr_info.is_valid = false; + /* Initialize work queues */ + snprintf(eh_wq_name, sizeof(eh_wq_name), "ufs_eh_wq_%d", + hba->host->host_no); + hba->eh_wq = create_singlethread_workqueue(eh_wq_name); + if (!hba->eh_wq) { + dev_err(hba->dev, "%s: failed to create eh workqueue\n", + __func__); + err = -ENOMEM; + goto out_disable; + } + INIT_WORK(&hba->eh_work, ufshcd_err_handler); INIT_WORK(&hba->eeh_work, ufshcd_exception_event_handler); sema_init(&hba->host_sem, 1); @@ -9638,6 +9621,12 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) err = PTR_ERR(hba->tmf_queue); goto free_tmf_tag_set; } + hba->tmf_rqs = devm_kcalloc(hba->dev, hba->nutmrs, + sizeof(*hba->tmf_rqs), GFP_KERNEL); + if (!hba->tmf_rqs) { + err = -ENOMEM; + goto free_tmf_queue; + } /* Reset the attached device */ ufshcd_device_reset(hba); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 52ea6f350b18..41f6e06f9185 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -741,6 +741,8 @@ struct ufs_hba_monitor { * @is_powered: flag to check if HBA is powered * @shutting_down: flag to check if shutdown has been invoked * @host_sem: semaphore used to serialize concurrent contexts + * @eh_wq: Workqueue that eh_work works on + * @eh_work: Worker to handle UFS errors that require s/w attention * @eeh_work: Worker to handle exception events * @errors: HBA errors * @uic_error: UFS interconnect layer error status @@ -826,6 +828,7 @@ struct ufs_hba { struct blk_mq_tag_set tmf_tag_set; struct request_queue *tmf_queue; + struct request **tmf_rqs; struct uic_command *active_uic_cmd; struct mutex uic_cmd_mutex; @@ -843,6 +846,8 @@ struct ufs_hba { struct semaphore host_sem; /* Work Queues */ + struct workqueue_struct *eh_wq; + struct work_struct eh_work; struct work_struct eeh_work; /* HBA Errors */ @@ -858,6 +863,7 @@ struct ufs_hba { /* Device management request data */ struct ufs_dev_cmd dev_cmd; ktime_t last_dme_cmd_tstamp; + int nop_out_timeout; /* Keeps information of the UFS device connected to this host */ struct ufs_dev_info dev_info; diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c index 02fb51ae8b25..589af5f6b940 100644 --- a/drivers/scsi/ufs/ufshpb.c +++ b/drivers/scsi/ufs/ufshpb.c @@ -333,9 +333,8 @@ ufshpb_get_pos_from_lpn(struct ufshpb_lu *hpb, unsigned long lpn, int *rgn_idx, } static void -ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshpb_lu *hpb, - struct ufshcd_lrb *lrbp, u32 lpn, __be64 ppn, - u8 transfer_len, int read_id) +ufshpb_set_hpb_read_to_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, + __be64 ppn, u8 transfer_len, int read_id) { unsigned char *cdb = lrbp->cmd->cmnd; __be64 ppn_tmp = ppn; @@ -703,8 +702,7 @@ int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) } } - ufshpb_set_hpb_read_to_upiu(hba, hpb, lrbp, lpn, ppn, transfer_len, - read_id); + ufshpb_set_hpb_read_to_upiu(hba, lrbp, ppn, transfer_len, read_id); hpb->stats.hit_cnt++; return 0; diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index c25ce8f0e0af..07d0250f17c3 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -300,7 +300,7 @@ static void virtscsi_handle_transport_reset(struct virtio_scsi *vscsi, } break; default: - pr_info("Unsupport virtio scsi event reason %x\n", event->reason); + pr_info("Unsupported virtio scsi event reason %x\n", event->reason); } } @@ -392,7 +392,7 @@ static void virtscsi_handle_event(struct work_struct *work) virtscsi_handle_param_change(vscsi, event); break; default: - pr_err("Unsupport virtio scsi event %x\n", event->event); + pr_err("Unsupported virtio scsi event %x\n", event->event); } virtscsi_kick_event(vscsi, event_node); } diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c index bda170d7b4a2..72fc2b539213 100644 --- a/drivers/soc/qcom/mdt_loader.c +++ b/drivers/soc/qcom/mdt_loader.c @@ -98,7 +98,7 @@ void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len) if (ehdr->e_phnum < 2) return ERR_PTR(-EINVAL); - if (phdrs[0].p_type == PT_LOAD || phdrs[1].p_type == PT_LOAD) + if (phdrs[0].p_type == PT_LOAD) return ERR_PTR(-EINVAL); if ((phdrs[1].p_flags & QCOM_MDT_TYPE_MASK) != QCOM_MDT_TYPE_HASH) diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index 9faf48302f4b..52e581167115 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -628,7 +628,7 @@ static int qcom_socinfo_probe(struct platform_device *pdev) /* Feed the soc specific unique data into entropy pool */ add_device_randomness(info, item_size); - platform_set_drvdata(pdev, qs->soc_dev); + platform_set_drvdata(pdev, qs); return 0; } diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c index ea64e187854e..f32e1cbbe8c5 100644 --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -825,25 +825,28 @@ static int omap_reset_deassert(struct reset_controller_dev *rcdev, writel_relaxed(v, reset->prm->base + reset->prm->data->rstctrl); spin_unlock_irqrestore(&reset->lock, flags); - if (!has_rstst) - goto exit; + /* wait for the reset bit to clear */ + ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + + reset->prm->data->rstctrl, + v, !(v & BIT(id)), 1, + OMAP_RESET_MAX_WAIT); + if (ret) + pr_err("%s: timedout waiting for %s:%lu\n", __func__, + reset->prm->data->name, id); /* wait for the status to be set */ - ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + + if (has_rstst) { + ret = readl_relaxed_poll_timeout_atomic(reset->prm->base + reset->prm->data->rstst, v, v & BIT(st_bit), 1, OMAP_RESET_MAX_WAIT); - if (ret) - pr_err("%s: timedout waiting for %s:%lu\n", __func__, - reset->prm->data->name, id); + if (ret) + pr_err("%s: timedout waiting for %s:%lu\n", __func__, + reset->prm->data->name, id); + } -exit: - if (reset->clkdm) { - /* At least dra7 iva needs a delay before clkdm idle */ - if (has_rstst) - udelay(1); + if (reset->clkdm) pdata->clkdm_allow_idle(reset->clkdm); - } return ret; } diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 540861ca2ba3..553b6b9d0222 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -600,6 +600,12 @@ static int rockchip_spi_transfer_one( int ret; bool use_dma; + /* Zero length transfers won't trigger an interrupt on completion */ + if (!xfer->len) { + spi_finalize_current_transfer(ctlr); + return 1; + } + WARN_ON(readl_relaxed(rs->regs + ROCKCHIP_SPI_SSIENR) && (readl_relaxed(rs->regs + ROCKCHIP_SPI_SR) & SR_BUSY)); diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index ebd27f883033..8ce840c7ecc8 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -204,9 +204,6 @@ struct tegra_slink_data { struct dma_async_tx_descriptor *tx_dma_desc; }; -static int tegra_slink_runtime_suspend(struct device *dev); -static int tegra_slink_runtime_resume(struct device *dev); - static inline u32 tegra_slink_readl(struct tegra_slink_data *tspi, unsigned long reg) { @@ -1185,6 +1182,7 @@ static int tegra_slink_resume(struct device *dev) } #endif +#ifdef CONFIG_PM static int tegra_slink_runtime_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); @@ -1210,6 +1208,7 @@ static int tegra_slink_runtime_resume(struct device *dev) } return 0; } +#endif /* CONFIG_PM */ static const struct dev_pm_ops slink_pm_ops = { SET_RUNTIME_PM_OPS(tegra_slink_runtime_suspend, diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 57e2499ec1ed..aea037c65985 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -58,10 +58,6 @@ modalias_show(struct device *dev, struct device_attribute *a, char *buf) const struct spi_device *spi = to_spi_device(dev); int len; - len = of_device_modalias(dev, buf, PAGE_SIZE); - if (len != -ENODEV) - return len; - len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); if (len != -ENODEV) return len; @@ -367,10 +363,6 @@ static int spi_uevent(struct device *dev, struct kobj_uevent_env *env) const struct spi_device *spi = to_spi_device(dev); int rc; - rc = of_device_uevent_modalias(dev, env); - if (rc != -ENODEV) - return rc; - rc = acpi_device_uevent_modalias(dev, env); if (rc != -ENODEV) return rc; diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index e6d860a9678e..dc4ed0ff1ae2 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -761,6 +761,17 @@ out: gbphy_runtime_put_autosuspend(gb_tty->gbphy_dev); } +static void gb_tty_port_destruct(struct tty_port *port) +{ + struct gb_tty *gb_tty = container_of(port, struct gb_tty, port); + + if (gb_tty->minor != GB_NUM_MINORS) + release_minor(gb_tty); + kfifo_free(&gb_tty->write_fifo); + kfree(gb_tty->buffer); + kfree(gb_tty); +} + static const struct tty_operations gb_ops = { .install = gb_tty_install, .open = gb_tty_open, @@ -786,6 +797,7 @@ static const struct tty_port_operations gb_port_ops = { .dtr_rts = gb_tty_dtr_rts, .activate = gb_tty_port_activate, .shutdown = gb_tty_port_shutdown, + .destruct = gb_tty_port_destruct, }; static int gb_uart_probe(struct gbphy_device *gbphy_dev, @@ -798,17 +810,11 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, int retval; int minor; - gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL); - if (!gb_tty) - return -ENOMEM; - connection = gb_connection_create(gbphy_dev->bundle, le16_to_cpu(gbphy_dev->cport_desc->id), gb_uart_request_handler); - if (IS_ERR(connection)) { - retval = PTR_ERR(connection); - goto exit_tty_free; - } + if (IS_ERR(connection)) + return PTR_ERR(connection); max_payload = gb_operation_get_payload_size_max(connection); if (max_payload < sizeof(struct gb_uart_send_data_request)) { @@ -816,13 +822,23 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, goto exit_connection_destroy; } + gb_tty = kzalloc(sizeof(*gb_tty), GFP_KERNEL); + if (!gb_tty) { + retval = -ENOMEM; + goto exit_connection_destroy; + } + + tty_port_init(&gb_tty->port); + gb_tty->port.ops = &gb_port_ops; + gb_tty->minor = GB_NUM_MINORS; + gb_tty->buffer_payload_max = max_payload - sizeof(struct gb_uart_send_data_request); gb_tty->buffer = kzalloc(gb_tty->buffer_payload_max, GFP_KERNEL); if (!gb_tty->buffer) { retval = -ENOMEM; - goto exit_connection_destroy; + goto exit_put_port; } INIT_WORK(&gb_tty->tx_work, gb_uart_tx_write_work); @@ -830,7 +846,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, retval = kfifo_alloc(&gb_tty->write_fifo, GB_UART_WRITE_FIFO_SIZE, GFP_KERNEL); if (retval) - goto exit_buf_free; + goto exit_put_port; gb_tty->credits = GB_UART_FIRMWARE_CREDITS; init_completion(&gb_tty->credits_complete); @@ -844,7 +860,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, } else { retval = minor; } - goto exit_kfifo_free; + goto exit_put_port; } gb_tty->minor = minor; @@ -853,9 +869,6 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, init_waitqueue_head(&gb_tty->wioctl); mutex_init(&gb_tty->mutex); - tty_port_init(&gb_tty->port); - gb_tty->port.ops = &gb_port_ops; - gb_tty->connection = connection; gb_tty->gbphy_dev = gbphy_dev; gb_connection_set_data(connection, gb_tty); @@ -863,7 +876,7 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, retval = gb_connection_enable_tx(connection); if (retval) - goto exit_release_minor; + goto exit_put_port; send_control(gb_tty, gb_tty->ctrlout); @@ -890,16 +903,10 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev, exit_connection_disable: gb_connection_disable(connection); -exit_release_minor: - release_minor(gb_tty); -exit_kfifo_free: - kfifo_free(&gb_tty->write_fifo); -exit_buf_free: - kfree(gb_tty->buffer); +exit_put_port: + tty_port_put(&gb_tty->port); exit_connection_destroy: gb_connection_destroy(connection); -exit_tty_free: - kfree(gb_tty); return retval; } @@ -930,15 +937,10 @@ static void gb_uart_remove(struct gbphy_device *gbphy_dev) gb_connection_disable_rx(connection); tty_unregister_device(gb_tty_driver, gb_tty->minor); - /* FIXME - free transmit / receive buffers */ - gb_connection_disable(connection); - tty_port_destroy(&gb_tty->port); gb_connection_destroy(connection); - release_minor(gb_tty); - kfifo_free(&gb_tty->write_fifo); - kfree(gb_tty->buffer); - kfree(gb_tty); + + tty_port_put(&gb_tty->port); } static int gb_tty_init(void) diff --git a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c index 8e085dda0c18..712e01c37870 100644 --- a/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c +++ b/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/input_system.c @@ -1646,6 +1646,8 @@ static input_system_err_t input_system_configure_channel_sensor( default: return INPUT_SYSTEM_ERR_PARAMETER_NOT_SUPPORTED; } + + return INPUT_SYSTEM_ERR_NO_ERROR; } // Test flags and set structure. diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 8a2edd67f2c6..20e508158871 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -919,7 +919,7 @@ static int hantro_probe(struct platform_device *pdev) if (!vpu->variant->irqs[i].handler) continue; - if (vpu->variant->num_clocks > 1) { + if (vpu->variant->num_irqs > 1) { irq_name = vpu->variant->irqs[i].name; irq = platform_get_irq_byname(vpu->pdev, irq_name); } else { diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c index c589fe9dae70..825af5fd35e0 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c @@ -135,7 +135,7 @@ void cedrus_prepare_format(struct v4l2_pix_format *pix_fmt) sizeimage = bytesperline * height; /* Chroma plane size. */ - sizeimage += bytesperline * height / 2; + sizeimage += bytesperline * ALIGN(height, 64) / 2; break; diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c index 81d4255d1785..1fd375076001 100644 --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c @@ -5372,8 +5372,8 @@ static int rtw_mp_read_reg(struct net_device *dev, pnext++; if (*pnext != '\0') { - strtout = simple_strtoul(pnext, &ptmp, 16); - sprintf(extra, "%s %d", extra, strtout); + strtout = simple_strtoul(pnext, &ptmp, 16); + sprintf(extra + strlen(extra), " %d", strtout); } else { break; } @@ -5405,7 +5405,7 @@ static int rtw_mp_read_reg(struct net_device *dev, pnext++; if (*pnext != '\0') { strtout = simple_strtoul(pnext, &ptmp, 16); - sprintf(extra, "%s %d", extra, strtout); + sprintf(extra + strlen(extra), " %d", strtout); } else { break; } @@ -5512,7 +5512,7 @@ static int rtw_mp_read_rf(struct net_device *dev, pnext++; if (*pnext != '\0') { strtou = simple_strtoul(pnext, &ptmp, 16); - sprintf(extra, "%s %d", extra, strtou); + sprintf(extra + strlen(extra), " %d", strtou); } else { break; } diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 102ec644bc8a..023bd4516a68 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1110,20 +1110,24 @@ static ssize_t alua_support_store(struct config_item *item, { struct se_dev_attrib *da = to_attrib(item); struct se_device *dev = da->da_dev; - bool flag; + bool flag, oldflag; int ret; + ret = strtobool(page, &flag); + if (ret < 0) + return ret; + + oldflag = !(dev->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA); + if (flag == oldflag) + return count; + if (!(dev->transport->transport_flags_changeable & TRANSPORT_FLAG_PASSTHROUGH_ALUA)) { pr_err("dev[%p]: Unable to change SE Device alua_support:" " alua_support has fixed value\n", dev); - return -EINVAL; + return -ENOSYS; } - ret = strtobool(page, &flag); - if (ret < 0) - return ret; - if (flag) dev->transport_flags &= ~TRANSPORT_FLAG_PASSTHROUGH_ALUA; else @@ -1145,20 +1149,24 @@ static ssize_t pgr_support_store(struct config_item *item, { struct se_dev_attrib *da = to_attrib(item); struct se_device *dev = da->da_dev; - bool flag; + bool flag, oldflag; int ret; + ret = strtobool(page, &flag); + if (ret < 0) + return ret; + + oldflag = !(dev->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_PGR); + if (flag == oldflag) + return count; + if (!(dev->transport->transport_flags_changeable & TRANSPORT_FLAG_PASSTHROUGH_PGR)) { pr_err("dev[%p]: Unable to change SE Device pgr_support:" " pgr_support has fixed value\n", dev); - return -EINVAL; + return -ENOSYS; } - ret = strtobool(page, &flag); - if (ret < 0) - return ret; - if (flag) dev->transport_flags &= ~TRANSPORT_FLAG_PASSTHROUGH_PGR; else diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 4b94b085625b..3829b61b56c1 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -269,7 +269,7 @@ target_scsi2_reservation_reserve(struct se_cmd *cmd) spin_lock(&dev->dev_reservation_lock); if (dev->reservation_holder && dev->reservation_holder->se_node_acl != sess->se_node_acl) { - pr_err("SCSI-2 RESERVATION CONFLIFT for %s fabric\n", + pr_err("SCSI-2 RESERVATION CONFLICT for %s fabric\n", tpg->se_tpg_tfo->fabric_name); pr_err("Original reserver LUN: %llu %s\n", cmd->se_lun->unpacked_lun, diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c index c41a9a501a6e..d167039af519 100644 --- a/drivers/tee/optee/shm_pool.c +++ b/drivers/tee/optee/shm_pool.c @@ -35,7 +35,7 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm, unsigned int nr_pages = 1 << order, i; struct page **pages; - pages = kcalloc(nr_pages, sizeof(pages), GFP_KERNEL); + pages = kcalloc(nr_pages, sizeof(*pages), GFP_KERNEL); if (!pages) { rc = -ENOMEM; goto err; diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c index 0f0038af2ad4..fb64acfd5e07 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c @@ -107,7 +107,7 @@ static int tcc_offset_update(unsigned int tcc) return 0; } -static unsigned int tcc_offset_save; +static int tcc_offset_save = -1; static ssize_t tcc_offset_degree_celsius_store(struct device *dev, struct device_attribute *attr, const char *buf, @@ -352,7 +352,8 @@ int proc_thermal_resume(struct device *dev) proc_dev = dev_get_drvdata(dev); proc_thermal_read_ppcc(proc_dev); - tcc_offset_update(tcc_offset_save); + if (tcc_offset_save >= 0) + tcc_offset_update(tcc_offset_save); return 0; } diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 4c7ebd1d3f9c..b1162e566a70 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -417,7 +417,7 @@ static irqreturn_t tsens_critical_irq_thread(int irq, void *data) const struct tsens_sensor *s = &priv->sensor[i]; u32 hw_id = s->hw_id; - if (IS_ERR(s->tzd)) + if (!s->tzd) continue; if (!tsens_threshold_violated(priv, hw_id, &d)) continue; @@ -467,7 +467,7 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) const struct tsens_sensor *s = &priv->sensor[i]; u32 hw_id = s->hw_id; - if (IS_ERR(s->tzd)) + if (!s->tzd) continue; if (!tsens_threshold_violated(priv, hw_id, &d)) continue; diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 97ef9b040b84..51374f4e1cca 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -222,15 +222,14 @@ int thermal_build_list_of_policies(char *buf) { struct thermal_governor *pos; ssize_t count = 0; - ssize_t size = PAGE_SIZE; mutex_lock(&thermal_governor_lock); list_for_each_entry(pos, &thermal_governor_list, governor_list) { - size = PAGE_SIZE - count; - count += scnprintf(buf + count, size, "%s ", pos->name); + count += scnprintf(buf + count, PAGE_SIZE - count, "%s ", + pos->name); } - count += scnprintf(buf + count, size, "\n"); + count += scnprintf(buf + count, PAGE_SIZE - count, "\n"); mutex_unlock(&thermal_governor_lock); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 8f143c09a169..f0bf01ea069a 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -618,10 +618,8 @@ static int __init xenboot_console_setup(struct console *console, char *string) { static struct xencons_info xenboot; - if (xen_initial_domain()) + if (xen_initial_domain() || !xen_pv_domain()) return 0; - if (!xen_pv_domain()) - return -ENODEV; return xencons_info_pv_init(&xenboot, 0); } @@ -632,17 +630,16 @@ static void xenboot_write_console(struct console *console, const char *string, unsigned int linelen, off = 0; const char *pos; + if (dom0_write_console(0, string, len) >= 0) + return; + if (!xen_pv_domain()) { xen_hvm_early_write(0, string, len); return; } - dom0_write_console(0, string, len); - - if (xen_initial_domain()) + if (domU_write_console(0, "(early) ", 8) < 0) return; - - domU_write_console(0, "(early) ", 8); while (off < len && NULL != (pos = strchr(string+off, '\n'))) { linelen = pos-string+off; if (off + linelen > len) diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 891fd8345e25..73e5f1dbd075 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -106,7 +106,7 @@ #define UART_OMAP_EFR2_TIMEOUT_BEHAVE BIT(6) /* RX FIFO occupancy indicator */ -#define UART_OMAP_RX_LVL 0x64 +#define UART_OMAP_RX_LVL 0x19 struct omap8250_priv { int line; diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 231de29a6452..ab226da75f7b 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -163,7 +163,7 @@ static unsigned int mvebu_uart_tx_empty(struct uart_port *port) st = readl(port->membase + UART_STAT); spin_unlock_irqrestore(&port->lock, flags); - return (st & STAT_TX_FIFO_EMP) ? TIOCSER_TEMT : 0; + return (st & STAT_TX_EMP) ? TIOCSER_TEMT : 0; } static unsigned int mvebu_uart_get_mctrl(struct uart_port *port) diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index a9acd93e85b7..25c558e65ece 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -438,8 +438,8 @@ static void reset_tbufs(struct slgt_info *info); static void tdma_reset(struct slgt_info *info); static bool tx_load(struct slgt_info *info, const char *buf, unsigned int count); -static void get_signals(struct slgt_info *info); -static void set_signals(struct slgt_info *info); +static void get_gtsignals(struct slgt_info *info); +static void set_gtsignals(struct slgt_info *info); static void set_rate(struct slgt_info *info, u32 data_rate); static void bh_transmit(struct slgt_info *info); @@ -720,7 +720,7 @@ static void set_termios(struct tty_struct *tty, struct ktermios *old_termios) if ((old_termios->c_cflag & CBAUD) && !C_BAUD(tty)) { info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR); spin_lock_irqsave(&info->lock,flags); - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); } @@ -730,7 +730,7 @@ static void set_termios(struct tty_struct *tty, struct ktermios *old_termios) if (!C_CRTSCTS(tty) || !tty_throttled(tty)) info->signals |= SerialSignal_RTS; spin_lock_irqsave(&info->lock,flags); - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); } @@ -1181,7 +1181,7 @@ static inline void line_info(struct seq_file *m, struct slgt_info *info) /* output current serial signal states */ spin_lock_irqsave(&info->lock,flags); - get_signals(info); + get_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); stat_buf[0] = 0; @@ -1281,7 +1281,7 @@ static void throttle(struct tty_struct * tty) if (C_CRTSCTS(tty)) { spin_lock_irqsave(&info->lock,flags); info->signals &= ~SerialSignal_RTS; - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); } } @@ -1306,7 +1306,7 @@ static void unthrottle(struct tty_struct * tty) if (C_CRTSCTS(tty)) { spin_lock_irqsave(&info->lock,flags); info->signals |= SerialSignal_RTS; - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); } } @@ -1477,7 +1477,7 @@ static int hdlcdev_open(struct net_device *dev) /* inform generic HDLC layer of current DCD status */ spin_lock_irqsave(&info->lock, flags); - get_signals(info); + get_gtsignals(info); spin_unlock_irqrestore(&info->lock, flags); if (info->signals & SerialSignal_DCD) netif_carrier_on(dev); @@ -2229,7 +2229,7 @@ static void isr_txeom(struct slgt_info *info, unsigned short status) if (info->params.mode != MGSL_MODE_ASYNC && info->drop_rts_on_tx_done) { info->signals &= ~SerialSignal_RTS; info->drop_rts_on_tx_done = false; - set_signals(info); + set_gtsignals(info); } #if SYNCLINK_GENERIC_HDLC @@ -2394,7 +2394,7 @@ static void shutdown(struct slgt_info *info) if (!info->port.tty || info->port.tty->termios.c_cflag & HUPCL) { info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR); - set_signals(info); + set_gtsignals(info); } flush_cond_wait(&info->gpio_wait_q); @@ -2422,7 +2422,7 @@ static void program_hw(struct slgt_info *info) else async_mode(info); - set_signals(info); + set_gtsignals(info); info->dcd_chkcount = 0; info->cts_chkcount = 0; @@ -2430,7 +2430,7 @@ static void program_hw(struct slgt_info *info) info->dsr_chkcount = 0; slgt_irq_on(info, IRQ_DCD | IRQ_CTS | IRQ_DSR | IRQ_RI); - get_signals(info); + get_gtsignals(info); if (info->netcount || (info->port.tty && info->port.tty->termios.c_cflag & CREAD)) @@ -2667,7 +2667,7 @@ static int wait_mgsl_event(struct slgt_info *info, int __user *mask_ptr) spin_lock_irqsave(&info->lock,flags); /* return immediately if state matches requested events */ - get_signals(info); + get_gtsignals(info); s = info->signals; events = mask & @@ -3085,7 +3085,7 @@ static int tiocmget(struct tty_struct *tty) unsigned long flags; spin_lock_irqsave(&info->lock,flags); - get_signals(info); + get_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); result = ((info->signals & SerialSignal_RTS) ? TIOCM_RTS:0) + @@ -3124,7 +3124,7 @@ static int tiocmset(struct tty_struct *tty, info->signals &= ~SerialSignal_DTR; spin_lock_irqsave(&info->lock,flags); - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); return 0; } @@ -3135,7 +3135,7 @@ static int carrier_raised(struct tty_port *port) struct slgt_info *info = container_of(port, struct slgt_info, port); spin_lock_irqsave(&info->lock,flags); - get_signals(info); + get_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); return (info->signals & SerialSignal_DCD) ? 1 : 0; } @@ -3150,7 +3150,7 @@ static void dtr_rts(struct tty_port *port, int on) info->signals |= SerialSignal_RTS | SerialSignal_DTR; else info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR); - set_signals(info); + set_gtsignals(info); spin_unlock_irqrestore(&info->lock,flags); } @@ -3948,10 +3948,10 @@ static void tx_start(struct slgt_info *info) if (info->params.mode != MGSL_MODE_ASYNC) { if (info->params.flags & HDLC_FLAG_AUTO_RTS) { - get_signals(info); + get_gtsignals(info); if (!(info->signals & SerialSignal_RTS)) { info->signals |= SerialSignal_RTS; - set_signals(info); + set_gtsignals(info); info->drop_rts_on_tx_done = true; } } @@ -4005,7 +4005,7 @@ static void reset_port(struct slgt_info *info) rx_stop(info); info->signals &= ~(SerialSignal_RTS | SerialSignal_DTR); - set_signals(info); + set_gtsignals(info); slgt_irq_off(info, IRQ_ALL | IRQ_MASTER); } @@ -4427,7 +4427,7 @@ static void tx_set_idle(struct slgt_info *info) /* * get state of V24 status (input) signals */ -static void get_signals(struct slgt_info *info) +static void get_gtsignals(struct slgt_info *info) { unsigned short status = rd_reg16(info, SSR); @@ -4489,7 +4489,7 @@ static void msc_set_vcr(struct slgt_info *info) /* * set state of V24 control (output) signals */ -static void set_signals(struct slgt_info *info) +static void set_gtsignals(struct slgt_info *info) { unsigned char val = rd_reg8(info, VCR); if (info->signals & SerialSignal_DTR) diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 756a4bfa6a69..3e4e0b20b4bb 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -812,7 +812,6 @@ void tty_ldisc_release(struct tty_struct *tty) tty_ldisc_debug(tty, "released\n"); } -EXPORT_SYMBOL_GPL(tty_ldisc_release); /** * tty_ldisc_init - ldisc setup for new tty diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c index 5d8c982019af..1f3b4a142212 100644 --- a/drivers/usb/cdns3/cdns3-gadget.c +++ b/drivers/usb/cdns3/cdns3-gadget.c @@ -1100,6 +1100,19 @@ static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep, return 0; } +static void cdns3_rearm_drdy_if_needed(struct cdns3_endpoint *priv_ep) +{ + struct cdns3_device *priv_dev = priv_ep->cdns3_dev; + + if (priv_dev->dev_ver < DEV_VER_V3) + return; + + if (readl(&priv_dev->regs->ep_sts) & EP_STS_TRBERR) { + writel(EP_STS_TRBERR, &priv_dev->regs->ep_sts); + writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd); + } +} + /** * cdns3_ep_run_transfer - start transfer on no-default endpoint hardware * @priv_ep: endpoint object @@ -1351,6 +1364,7 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep, /*clearing TRBERR and EP_STS_DESCMIS before seting DRDY*/ writel(EP_STS_TRBERR | EP_STS_DESCMIS, &priv_dev->regs->ep_sts); writel(EP_CMD_DRDY, &priv_dev->regs->ep_cmd); + cdns3_rearm_drdy_if_needed(priv_ep); trace_cdns3_doorbell_epx(priv_ep->name, readl(&priv_dev->regs->ep_traddr)); } diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 8b7bc10b6e8b..f1d100671ee6 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -420,11 +420,16 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) data->phy = devm_usb_get_phy_by_phandle(dev, "fsl,usbphy", 0); if (IS_ERR(data->phy)) { ret = PTR_ERR(data->phy); - /* Return -EINVAL if no usbphy is available */ - if (ret == -ENODEV) - data->phy = NULL; - else - goto err_clk; + if (ret == -ENODEV) { + data->phy = devm_usb_get_phy_by_phandle(dev, "phys", 0); + if (IS_ERR(data->phy)) { + ret = PTR_ERR(data->phy); + if (ret == -ENODEV) + data->phy = NULL; + else + goto err_clk; + } + } } pdata.usb_phy = data->phy; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 8bbd8e29e60d..7b2e2420ecae 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -340,6 +340,9 @@ static void acm_process_notification(struct acm *acm, unsigned char *buf) acm->iocount.overrun++; spin_unlock_irqrestore(&acm->read_lock, flags); + if (newctrl & ACM_CTRL_BRK) + tty_flip_buffer_push(&acm->port); + if (difference) wake_up_all(&acm->wioctl); @@ -475,11 +478,16 @@ static int acm_submit_read_urbs(struct acm *acm, gfp_t mem_flags) static void acm_process_read_urb(struct acm *acm, struct urb *urb) { + unsigned long flags; + if (!urb->actual_length) return; + spin_lock_irqsave(&acm->read_lock, flags); tty_insert_flip_string(&acm->port, urb->transfer_buffer, urb->actual_length); + spin_unlock_irqrestore(&acm->read_lock, flags); + tty_flip_buffer_push(&acm->port); } @@ -726,7 +734,8 @@ static void acm_port_destruct(struct tty_port *port) { struct acm *acm = container_of(port, struct acm, port); - acm_release_minor(acm); + if (acm->minor != ACM_MINOR_INVALID) + acm_release_minor(acm); usb_put_intf(acm->control); kfree(acm->country_codes); kfree(acm); @@ -1323,8 +1332,10 @@ made_compressed_probe: usb_get_intf(acm->control); /* undone in destruct() */ minor = acm_alloc_minor(acm); - if (minor < 0) + if (minor < 0) { + acm->minor = ACM_MINOR_INVALID; goto err_put_port; + } acm->minor = minor; acm->dev = usb_dev; diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 8aef5eb769a0..3aa7f0a3ad71 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -22,6 +22,8 @@ #define ACM_TTY_MAJOR 166 #define ACM_TTY_MINORS 256 +#define ACM_MINOR_INVALID ACM_TTY_MINORS + /* * Requests. */ diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 35d5908b5478..fdf79bcf7eb0 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -824,7 +824,7 @@ static struct usb_class_driver wdm_class = { }; /* --- WWAN framework integration --- */ -#ifdef CONFIG_WWAN_CORE +#ifdef CONFIG_WWAN static int wdm_wwan_port_start(struct wwan_port *port) { struct wdm_device *desc = wwan_port_get_drvdata(port); @@ -963,11 +963,11 @@ static void wdm_wwan_rx(struct wdm_device *desc, int length) /* inbuf has been copied, it is safe to check for outstanding data */ schedule_work(&desc->service_outs_intr); } -#else /* CONFIG_WWAN_CORE */ +#else /* CONFIG_WWAN */ static void wdm_wwan_init(struct wdm_device *desc) {} static void wdm_wwan_deinit(struct wdm_device *desc) {} static void wdm_wwan_rx(struct wdm_device *desc, int length) {} -#endif /* CONFIG_WWAN_CORE */ +#endif /* CONFIG_WWAN */ /* --- error handling --- */ static void wdm_rxwork(struct work_struct *work) diff --git a/drivers/usb/common/Kconfig b/drivers/usb/common/Kconfig index 5e8a04e3dd3c..b856622431a7 100644 --- a/drivers/usb/common/Kconfig +++ b/drivers/usb/common/Kconfig @@ -6,8 +6,7 @@ config USB_COMMON config USB_LED_TRIG bool "USB LED Triggers" - depends on LEDS_CLASS && LEDS_TRIGGERS - select USB_COMMON + depends on LEDS_CLASS && USB_COMMON && LEDS_TRIGGERS help This option adds LED triggers for USB host and/or gadget activity. diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 0f8b7c93310e..7ee6e4cc0d89 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2761,6 +2761,26 @@ static void usb_put_invalidate_rhdev(struct usb_hcd *hcd) } /** + * usb_stop_hcd - Halt the HCD + * @hcd: the usb_hcd that has to be halted + * + * Stop the root-hub polling timer and invoke the HCD's ->stop callback. + */ +static void usb_stop_hcd(struct usb_hcd *hcd) +{ + hcd->rh_pollable = 0; + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); + + hcd->driver->stop(hcd); + hcd->state = HC_STATE_HALT; + + /* In case the HCD restarted the timer, stop it again. */ + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); +} + +/** * usb_add_hcd - finish generic HCD structure initialization and register * @hcd: the usb_hcd structure to initialize * @irqnum: Interrupt line to allocate @@ -2775,6 +2795,7 @@ int usb_add_hcd(struct usb_hcd *hcd, { int retval; struct usb_device *rhdev; + struct usb_hcd *shared_hcd; if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) { hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev); @@ -2935,24 +2956,31 @@ int usb_add_hcd(struct usb_hcd *hcd, goto err_hcd_driver_start; } + /* starting here, usbcore will pay attention to the shared HCD roothub */ + shared_hcd = hcd->shared_hcd; + if (!usb_hcd_is_primary_hcd(hcd) && shared_hcd && HCD_DEFER_RH_REGISTER(shared_hcd)) { + retval = register_root_hub(shared_hcd); + if (retval != 0) + goto err_register_root_hub; + + if (shared_hcd->uses_new_polling && HCD_POLL_RH(shared_hcd)) + usb_hcd_poll_rh_status(shared_hcd); + } + /* starting here, usbcore will pay attention to this root hub */ - retval = register_root_hub(hcd); - if (retval != 0) - goto err_register_root_hub; + if (!HCD_DEFER_RH_REGISTER(hcd)) { + retval = register_root_hub(hcd); + if (retval != 0) + goto err_register_root_hub; - if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) - usb_hcd_poll_rh_status(hcd); + if (hcd->uses_new_polling && HCD_POLL_RH(hcd)) + usb_hcd_poll_rh_status(hcd); + } return retval; err_register_root_hub: - hcd->rh_pollable = 0; - clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); - del_timer_sync(&hcd->rh_timer); - hcd->driver->stop(hcd); - hcd->state = HC_STATE_HALT; - clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); - del_timer_sync(&hcd->rh_timer); + usb_stop_hcd(hcd); err_hcd_driver_start: if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0) free_irq(irqnum, hcd); @@ -2985,6 +3013,7 @@ EXPORT_SYMBOL_GPL(usb_add_hcd); void usb_remove_hcd(struct usb_hcd *hcd) { struct usb_device *rhdev = hcd->self.root_hub; + bool rh_registered; dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); @@ -2995,6 +3024,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) dev_dbg(hcd->self.controller, "roothub graceful disconnect\n"); spin_lock_irq (&hcd_root_hub_lock); + rh_registered = hcd->rh_registered; hcd->rh_registered = 0; spin_unlock_irq (&hcd_root_hub_lock); @@ -3004,7 +3034,8 @@ void usb_remove_hcd(struct usb_hcd *hcd) cancel_work_sync(&hcd->died_work); mutex_lock(&usb_bus_idr_lock); - usb_disconnect(&rhdev); /* Sets rhdev to NULL */ + if (rh_registered) + usb_disconnect(&rhdev); /* Sets rhdev to NULL */ mutex_unlock(&usb_bus_idr_lock); /* @@ -3022,16 +3053,7 @@ void usb_remove_hcd(struct usb_hcd *hcd) * interrupt occurs), but usb_hcd_poll_rh_status() won't invoke * the hub_status_data() callback. */ - hcd->rh_pollable = 0; - clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); - del_timer_sync(&hcd->rh_timer); - - hcd->driver->stop(hcd); - hcd->state = HC_STATE_HALT; - - /* In case the HCD restarted the timer, stop it again. */ - clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); - del_timer_sync(&hcd->rh_timer); + usb_stop_hcd(hcd); if (usb_hcd_is_primary_hcd(hcd)) { if (hcd->irq > 0) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 837237e4bc96..11d85a6e0b0d 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -115,10 +115,16 @@ static inline bool using_desc_dma(struct dwc2_hsotg *hsotg) */ static inline void dwc2_gadget_incr_frame_num(struct dwc2_hsotg_ep *hs_ep) { + struct dwc2_hsotg *hsotg = hs_ep->parent; + u16 limit = DSTS_SOFFN_LIMIT; + + if (hsotg->gadget.speed != USB_SPEED_HIGH) + limit >>= 3; + hs_ep->target_frame += hs_ep->interval; - if (hs_ep->target_frame > DSTS_SOFFN_LIMIT) { + if (hs_ep->target_frame > limit) { hs_ep->frame_overrun = true; - hs_ep->target_frame &= DSTS_SOFFN_LIMIT; + hs_ep->target_frame &= limit; } else { hs_ep->frame_overrun = false; } @@ -136,10 +142,16 @@ static inline void dwc2_gadget_incr_frame_num(struct dwc2_hsotg_ep *hs_ep) */ static inline void dwc2_gadget_dec_frame_num_by_one(struct dwc2_hsotg_ep *hs_ep) { + struct dwc2_hsotg *hsotg = hs_ep->parent; + u16 limit = DSTS_SOFFN_LIMIT; + + if (hsotg->gadget.speed != USB_SPEED_HIGH) + limit >>= 3; + if (hs_ep->target_frame) hs_ep->target_frame -= 1; else - hs_ep->target_frame = DSTS_SOFFN_LIMIT; + hs_ep->target_frame = limit; } /** @@ -1018,6 +1030,12 @@ static void dwc2_gadget_start_isoc_ddma(struct dwc2_hsotg_ep *hs_ep) dwc2_writel(hsotg, ctrl, depctl); } +static bool dwc2_gadget_target_frame_elapsed(struct dwc2_hsotg_ep *hs_ep); +static void dwc2_hsotg_complete_request(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep, + struct dwc2_hsotg_req *hs_req, + int result); + /** * dwc2_hsotg_start_req - start a USB request from an endpoint's queue * @hsotg: The controller state. @@ -1170,14 +1188,19 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, } } - if (hs_ep->isochronous && hs_ep->interval == 1) { - hs_ep->target_frame = dwc2_hsotg_read_frameno(hsotg); - dwc2_gadget_incr_frame_num(hs_ep); - - if (hs_ep->target_frame & 0x1) - ctrl |= DXEPCTL_SETODDFR; - else - ctrl |= DXEPCTL_SETEVENFR; + if (hs_ep->isochronous) { + if (!dwc2_gadget_target_frame_elapsed(hs_ep)) { + if (hs_ep->interval == 1) { + if (hs_ep->target_frame & 0x1) + ctrl |= DXEPCTL_SETODDFR; + else + ctrl |= DXEPCTL_SETEVENFR; + } + ctrl |= DXEPCTL_CNAK; + } else { + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); + return; + } } ctrl |= DXEPCTL_EPENA; /* ensure ep enabled */ @@ -1325,12 +1348,16 @@ static bool dwc2_gadget_target_frame_elapsed(struct dwc2_hsotg_ep *hs_ep) u32 target_frame = hs_ep->target_frame; u32 current_frame = hsotg->frame_number; bool frame_overrun = hs_ep->frame_overrun; + u16 limit = DSTS_SOFFN_LIMIT; + + if (hsotg->gadget.speed != USB_SPEED_HIGH) + limit >>= 3; if (!frame_overrun && current_frame >= target_frame) return true; if (frame_overrun && current_frame >= target_frame && - ((current_frame - target_frame) < DSTS_SOFFN_LIMIT / 2)) + ((current_frame - target_frame) < limit / 2)) return true; return false; @@ -1713,11 +1740,9 @@ static struct dwc2_hsotg_req *get_ep_head(struct dwc2_hsotg_ep *hs_ep) */ static void dwc2_gadget_start_next_request(struct dwc2_hsotg_ep *hs_ep) { - u32 mask; struct dwc2_hsotg *hsotg = hs_ep->parent; int dir_in = hs_ep->dir_in; struct dwc2_hsotg_req *hs_req; - u32 epmsk_reg = dir_in ? DIEPMSK : DOEPMSK; if (!list_empty(&hs_ep->queue)) { hs_req = get_ep_head(hs_ep); @@ -1733,9 +1758,6 @@ static void dwc2_gadget_start_next_request(struct dwc2_hsotg_ep *hs_ep) } else { dev_dbg(hsotg->dev, "%s: No more ISOC-OUT requests\n", __func__); - mask = dwc2_readl(hsotg, epmsk_reg); - mask |= DOEPMSK_OUTTKNEPDISMSK; - dwc2_writel(hsotg, mask, epmsk_reg); } } @@ -2306,19 +2328,6 @@ static void dwc2_hsotg_ep0_zlp(struct dwc2_hsotg *hsotg, bool dir_in) dwc2_hsotg_program_zlp(hsotg, hsotg->eps_out[0]); } -static void dwc2_hsotg_change_ep_iso_parity(struct dwc2_hsotg *hsotg, - u32 epctl_reg) -{ - u32 ctrl; - - ctrl = dwc2_readl(hsotg, epctl_reg); - if (ctrl & DXEPCTL_EOFRNUM) - ctrl |= DXEPCTL_SETEVENFR; - else - ctrl |= DXEPCTL_SETODDFR; - dwc2_writel(hsotg, ctrl, epctl_reg); -} - /* * dwc2_gadget_get_xfersize_ddma - get transferred bytes amount from desc * @hs_ep - The endpoint on which transfer went @@ -2439,20 +2448,11 @@ static void dwc2_hsotg_handle_outdone(struct dwc2_hsotg *hsotg, int epnum) dwc2_hsotg_ep0_zlp(hsotg, true); } - /* - * Slave mode OUT transfers do not go through XferComplete so - * adjust the ISOC parity here. - */ - if (!using_dma(hsotg)) { - if (hs_ep->isochronous && hs_ep->interval == 1) - dwc2_hsotg_change_ep_iso_parity(hsotg, DOEPCTL(epnum)); - else if (hs_ep->isochronous && hs_ep->interval > 1) - dwc2_gadget_incr_frame_num(hs_ep); - } - /* Set actual frame number for completed transfers */ - if (!using_desc_dma(hsotg) && hs_ep->isochronous) - req->frame_number = hsotg->frame_number; + if (!using_desc_dma(hsotg) && hs_ep->isochronous) { + req->frame_number = hs_ep->target_frame; + dwc2_gadget_incr_frame_num(hs_ep); + } dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, result); } @@ -2766,6 +2766,12 @@ static void dwc2_hsotg_complete_in(struct dwc2_hsotg *hsotg, return; } + /* Set actual frame number for completed transfers */ + if (!using_desc_dma(hsotg) && hs_ep->isochronous) { + hs_req->req.frame_number = hs_ep->target_frame; + dwc2_gadget_incr_frame_num(hs_ep); + } + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, 0); } @@ -2826,23 +2832,18 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep) dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); - if (hs_ep->isochronous) { - dwc2_hsotg_complete_in(hsotg, hs_ep); - return; - } - if ((epctl & DXEPCTL_STALL) && (epctl & DXEPCTL_EPTYPE_BULK)) { int dctl = dwc2_readl(hsotg, DCTL); dctl |= DCTL_CGNPINNAK; dwc2_writel(hsotg, dctl, DCTL); } - return; - } + } else { - if (dctl & DCTL_GOUTNAKSTS) { - dctl |= DCTL_CGOUTNAK; - dwc2_writel(hsotg, dctl, DCTL); + if (dctl & DCTL_GOUTNAKSTS) { + dctl |= DCTL_CGOUTNAK; + dwc2_writel(hsotg, dctl, DCTL); + } } if (!hs_ep->isochronous) @@ -2863,8 +2864,6 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep) /* Update current frame number value. */ hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg); } while (dwc2_gadget_target_frame_elapsed(hs_ep)); - - dwc2_gadget_start_next_request(hs_ep); } /** @@ -2881,8 +2880,8 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep) static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep) { struct dwc2_hsotg *hsotg = ep->parent; + struct dwc2_hsotg_req *hs_req; int dir_in = ep->dir_in; - u32 doepmsk; if (dir_in || !ep->isochronous) return; @@ -2896,28 +2895,39 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep) return; } - if (ep->interval > 1 && - ep->target_frame == TARGET_FRAME_INITIAL) { + if (ep->target_frame == TARGET_FRAME_INITIAL) { u32 ctrl; ep->target_frame = hsotg->frame_number; - dwc2_gadget_incr_frame_num(ep); + if (ep->interval > 1) { + ctrl = dwc2_readl(hsotg, DOEPCTL(ep->index)); + if (ep->target_frame & 0x1) + ctrl |= DXEPCTL_SETODDFR; + else + ctrl |= DXEPCTL_SETEVENFR; - ctrl = dwc2_readl(hsotg, DOEPCTL(ep->index)); - if (ep->target_frame & 0x1) - ctrl |= DXEPCTL_SETODDFR; - else - ctrl |= DXEPCTL_SETEVENFR; + dwc2_writel(hsotg, ctrl, DOEPCTL(ep->index)); + } + } + + while (dwc2_gadget_target_frame_elapsed(ep)) { + hs_req = get_ep_head(ep); + if (hs_req) + dwc2_hsotg_complete_request(hsotg, ep, hs_req, -ENODATA); - dwc2_writel(hsotg, ctrl, DOEPCTL(ep->index)); + dwc2_gadget_incr_frame_num(ep); + /* Update current frame number value. */ + hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg); } - dwc2_gadget_start_next_request(ep); - doepmsk = dwc2_readl(hsotg, DOEPMSK); - doepmsk &= ~DOEPMSK_OUTTKNEPDISMSK; - dwc2_writel(hsotg, doepmsk, DOEPMSK); + if (!ep->req) + dwc2_gadget_start_next_request(ep); + } +static void dwc2_hsotg_ep_stop_xfr(struct dwc2_hsotg *hsotg, + struct dwc2_hsotg_ep *hs_ep); + /** * dwc2_gadget_handle_nak - handle NAK interrupt * @hs_ep: The endpoint on which interrupt is asserted. @@ -2935,7 +2945,9 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep) static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep) { struct dwc2_hsotg *hsotg = hs_ep->parent; + struct dwc2_hsotg_req *hs_req; int dir_in = hs_ep->dir_in; + u32 ctrl; if (!dir_in || !hs_ep->isochronous) return; @@ -2977,13 +2989,29 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep) dwc2_writel(hsotg, ctrl, DIEPCTL(hs_ep->index)); } - - dwc2_hsotg_complete_request(hsotg, hs_ep, - get_ep_head(hs_ep), 0); } - if (!using_desc_dma(hsotg)) + if (using_desc_dma(hsotg)) + return; + + ctrl = dwc2_readl(hsotg, DIEPCTL(hs_ep->index)); + if (ctrl & DXEPCTL_EPENA) + dwc2_hsotg_ep_stop_xfr(hsotg, hs_ep); + else + dwc2_hsotg_txfifo_flush(hsotg, hs_ep->fifo_index); + + while (dwc2_gadget_target_frame_elapsed(hs_ep)) { + hs_req = get_ep_head(hs_ep); + if (hs_req) + dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); + dwc2_gadget_incr_frame_num(hs_ep); + /* Update current frame number value. */ + hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg); + } + + if (!hs_ep->req) + dwc2_gadget_start_next_request(hs_ep); } /** @@ -3039,21 +3067,15 @@ static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, /* In DDMA handle isochronous requests separately */ if (using_desc_dma(hsotg) && hs_ep->isochronous) { - /* XferCompl set along with BNA */ - if (!(ints & DXEPINT_BNAINTR)) - dwc2_gadget_complete_isoc_request_ddma(hs_ep); + dwc2_gadget_complete_isoc_request_ddma(hs_ep); } else if (dir_in) { /* * We get OutDone from the FIFO, so we only * need to look at completing IN requests here * if operating slave mode */ - if (hs_ep->isochronous && hs_ep->interval > 1) - dwc2_gadget_incr_frame_num(hs_ep); - - dwc2_hsotg_complete_in(hsotg, hs_ep); - if (ints & DXEPINT_NAKINTRPT) - ints &= ~DXEPINT_NAKINTRPT; + if (!hs_ep->isochronous || !(ints & DXEPINT_NAKINTRPT)) + dwc2_hsotg_complete_in(hsotg, hs_ep); if (idx == 0 && !hs_ep->req) dwc2_hsotg_enqueue_setup(hsotg); @@ -3062,10 +3084,8 @@ static void dwc2_hsotg_epint(struct dwc2_hsotg *hsotg, unsigned int idx, * We're using DMA, we need to fire an OutDone here * as we ignore the RXFIFO. */ - if (hs_ep->isochronous && hs_ep->interval > 1) - dwc2_gadget_incr_frame_num(hs_ep); - - dwc2_hsotg_handle_outdone(hsotg, idx); + if (!hs_ep->isochronous || !(ints & DXEPINT_OUTTKNEPDIS)) + dwc2_hsotg_handle_outdone(hsotg, idx); } } @@ -4085,6 +4105,7 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep, mask |= DIEPMSK_NAKMSK; dwc2_writel(hsotg, mask, DIEPMSK); } else { + epctrl |= DXEPCTL_SNAK; mask = dwc2_readl(hsotg, DOEPMSK); mask |= DOEPMSK_OUTTKNEPDISMSK; dwc2_writel(hsotg, mask, DOEPMSK); diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 2a7828971d05..a215ec9e172e 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5191,6 +5191,10 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg) hcd->has_tt = 1; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + retval = -EINVAL; + goto error1; + } hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 01866dcb953b..0104a80b185e 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -264,19 +264,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) { u32 reg; int retries = 1000; - int ret; - - usb_phy_init(dwc->usb2_phy); - usb_phy_init(dwc->usb3_phy); - ret = phy_init(dwc->usb2_generic_phy); - if (ret < 0) - return ret; - - ret = phy_init(dwc->usb3_generic_phy); - if (ret < 0) { - phy_exit(dwc->usb2_generic_phy); - return ret; - } /* * We're resetting only the device side because, if we're in host mode, @@ -310,9 +297,6 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) udelay(1); } while (--retries); - phy_exit(dwc->usb3_generic_phy); - phy_exit(dwc->usb2_generic_phy); - return -ETIMEDOUT; done: @@ -982,9 +966,21 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc->phys_ready = true; } + usb_phy_init(dwc->usb2_phy); + usb_phy_init(dwc->usb3_phy); + ret = phy_init(dwc->usb2_generic_phy); + if (ret < 0) + goto err0a; + + ret = phy_init(dwc->usb3_generic_phy); + if (ret < 0) { + phy_exit(dwc->usb2_generic_phy); + goto err0a; + } + ret = dwc3_core_soft_reset(dwc); if (ret) - goto err0a; + goto err1; if (hw_mode == DWC3_GHWPARAMS0_MODE_DRD && !DWC3_VER_IS_WITHIN(DWC3, ANY, 194A)) { diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 804b50548163..4519d06c9ca2 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -4243,7 +4243,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) } - usb_initialize_gadget(dwc->sysdev, dwc->gadget, dwc_gadget_release); + usb_initialize_gadget(dwc->dev, dwc->gadget, dwc_gadget_release); dev = &dwc->gadget->dev; dev->platform_data = dwc; dwc->gadget->ops = &dwc3_gadget_ops; diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 3c34995276e7..ef55b8bb5870 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -406,6 +406,14 @@ static struct usb_endpoint_descriptor ss_epin_fback_desc = { .bInterval = 4, }; +static struct usb_ss_ep_comp_descriptor ss_epin_fback_desc_comp = { + .bLength = sizeof(ss_epin_fback_desc_comp), + .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, + .bMaxBurst = 0, + .bmAttributes = 0, + .wBytesPerInterval = cpu_to_le16(4), +}; + /* Audio Streaming IN Interface - Alt0 */ static struct usb_interface_descriptor std_as_in_if0_desc = { @@ -597,6 +605,7 @@ static struct usb_descriptor_header *ss_audio_desc[] = { (struct usb_descriptor_header *)&ss_epout_desc_comp, (struct usb_descriptor_header *)&as_iso_out_desc, (struct usb_descriptor_header *)&ss_epin_fback_desc, + (struct usb_descriptor_header *)&ss_epin_fback_desc_comp, (struct usb_descriptor_header *)&std_as_in_if0_desc, (struct usb_descriptor_header *)&std_as_in_if1_desc, @@ -665,11 +674,17 @@ static int set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, ssize = uac2_opts->c_ssize; } - if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) + if (!is_playback && (uac2_opts->c_sync == USB_ENDPOINT_SYNC_ASYNC)) { + // Win10 requires max packet size + 1 frame srate = srate * (1000 + uac2_opts->fb_max) / 1000; - - max_size_bw = num_channels(chmask) * ssize * - DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); + // updated srate is always bigger, therefore DIV_ROUND_UP always yields +1 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1)))); + } else { + // adding 1 frame provision for Win10 + max_size_bw = num_channels(chmask) * ssize * + (DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))) + 1); + } ep_desc->wMaxPacketSize = cpu_to_le16(min_t(u16, max_size_bw, max_size_ep)); @@ -705,6 +720,7 @@ static void setup_headers(struct f_uac2_opts *opts, { struct usb_ss_ep_comp_descriptor *epout_desc_comp = NULL; struct usb_ss_ep_comp_descriptor *epin_desc_comp = NULL; + struct usb_ss_ep_comp_descriptor *epin_fback_desc_comp = NULL; struct usb_endpoint_descriptor *epout_desc; struct usb_endpoint_descriptor *epin_desc; struct usb_endpoint_descriptor *epin_fback_desc; @@ -730,6 +746,7 @@ static void setup_headers(struct f_uac2_opts *opts, epout_desc_comp = &ss_epout_desc_comp; epin_desc_comp = &ss_epin_desc_comp; epin_fback_desc = &ss_epin_fback_desc; + epin_fback_desc_comp = &ss_epin_fback_desc_comp; ep_int_desc = &ss_ep_int_desc; } @@ -773,8 +790,11 @@ static void setup_headers(struct f_uac2_opts *opts, headers[i++] = USBDHDR(&as_iso_out_desc); - if (EPOUT_FBACK_IN_EN(opts)) + if (EPOUT_FBACK_IN_EN(opts)) { headers[i++] = USBDHDR(epin_fback_desc); + if (epin_fback_desc_comp) + headers[i++] = USBDHDR(epin_fback_desc_comp); + } } if (EPIN_EN(opts)) { @@ -1164,6 +1184,9 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) agdev->out_ep_maxpsize = max_t(u16, agdev->out_ep_maxpsize, le16_to_cpu(ss_epout_desc.wMaxPacketSize)); + ss_epin_desc_comp.wBytesPerInterval = ss_epin_desc.wMaxPacketSize; + ss_epout_desc_comp.wBytesPerInterval = ss_epout_desc.wMaxPacketSize; + // HS and SS endpoint addresses are copied from autoconfigured FS descriptors hs_ep_int_desc.bEndpointAddress = fs_ep_int_desc.bEndpointAddress; hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 32ef22857083..ad16163b5ff8 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -96,11 +96,13 @@ static const struct snd_pcm_hardware uac_pcm_hardware = { }; static void u_audio_set_fback_frequency(enum usb_device_speed speed, + struct usb_ep *out_ep, unsigned long long freq, unsigned int pitch, void *buf) { u32 ff = 0; + const struct usb_endpoint_descriptor *ep_desc; /* * Because the pitch base is 1000000, the final divider here @@ -128,8 +130,13 @@ static void u_audio_set_fback_frequency(enum usb_device_speed speed, * byte fromat (that is Q16.16) * * ff = (freq << 16) / 8000 + * + * Win10 and OSX UAC2 drivers require number of samples per packet + * in order to honor the feedback value. + * Linux snd-usb-audio detects the applied bit-shift automatically. */ - freq <<= 4; + ep_desc = out_ep->desc; + freq <<= 4 + (ep_desc->bInterval - 1); } ff = DIV_ROUND_CLOSEST_ULL((freq * pitch), 1953125); @@ -267,7 +274,7 @@ static void u_audio_iso_fback_complete(struct usb_ep *ep, pr_debug("%s: iso_complete status(%d) %d/%d\n", __func__, status, req->actual, req->length); - u_audio_set_fback_frequency(audio_dev->gadget->speed, + u_audio_set_fback_frequency(audio_dev->gadget->speed, audio_dev->out_ep, params->c_srate, prm->pitch, req->buf); @@ -526,7 +533,7 @@ int u_audio_start_capture(struct g_audio *audio_dev) * be meauserd at start of playback */ prm->pitch = 1000000; - u_audio_set_fback_frequency(audio_dev->gadget->speed, + u_audio_set_fback_frequency(audio_dev->gadget->speed, ep, params->c_srate, prm->pitch, req_fback->buf); diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index 65cae4883454..38e4d6b505a0 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1250,7 +1250,7 @@ static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl) do { tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ; udelay(1); - } while (tmp != CS_IDST || timeout-- > 0); + } while (tmp != CS_IDST && timeout-- > 0); if (tmp == CS_IDST) r8a66597_bset(r8a66597, diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 337b425dd4b0..2df52f75f6b3 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -406,12 +406,9 @@ static int bcma_hcd_probe(struct bcma_device *core) return -ENOMEM; usb_dev->core = core; - if (core->dev.of_node) { + if (core->dev.of_node) usb_dev->gpio_desc = devm_gpiod_get(&core->dev, "vcc", GPIOD_OUT_HIGH); - if (IS_ERR(usb_dev->gpio_desc)) - return PTR_ERR(usb_dev->gpio_desc); - } switch (core->id.id) { case BCMA_CORE_USB20_HOST: diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6bdc6d6bf74d..1776c05d0a48 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -26,6 +26,7 @@ #include <linux/moduleparam.h> #include <linux/dma-mapping.h> #include <linux/debugfs.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <asm/byteorder.h> @@ -1278,29 +1279,39 @@ MODULE_LICENSE ("GPL"); #ifdef CONFIG_USB_EHCI_SH #include "ehci-sh.c" -#define PLATFORM_DRIVER ehci_hcd_sh_driver #endif #ifdef CONFIG_PPC_PS3 #include "ehci-ps3.c" -#define PS3_SYSTEM_BUS_DRIVER ps3_ehci_driver #endif #ifdef CONFIG_USB_EHCI_HCD_PPC_OF #include "ehci-ppc-of.c" -#define OF_PLATFORM_DRIVER ehci_hcd_ppc_of_driver #endif #ifdef CONFIG_XPS_USB_HCD_XILINX #include "ehci-xilinx-of.c" -#define XILINX_OF_PLATFORM_DRIVER ehci_hcd_xilinx_of_driver #endif #ifdef CONFIG_SPARC_LEON #include "ehci-grlib.c" -#define PLATFORM_DRIVER ehci_grlib_driver #endif +static struct platform_driver * const platform_drivers[] = { +#ifdef CONFIG_USB_EHCI_SH + &ehci_hcd_sh_driver, +#endif +#ifdef CONFIG_USB_EHCI_HCD_PPC_OF + &ehci_hcd_ppc_of_driver, +#endif +#ifdef CONFIG_XPS_USB_HCD_XILINX + &ehci_hcd_xilinx_of_driver, +#endif +#ifdef CONFIG_SPARC_LEON + &ehci_grlib_driver, +#endif +}; + static int __init ehci_hcd_init(void) { int retval = 0; @@ -1324,47 +1335,23 @@ static int __init ehci_hcd_init(void) ehci_debug_root = debugfs_create_dir("ehci", usb_debug_root); #endif -#ifdef PLATFORM_DRIVER - retval = platform_driver_register(&PLATFORM_DRIVER); + retval = platform_register_drivers(platform_drivers, ARRAY_SIZE(platform_drivers)); if (retval < 0) goto clean0; -#endif - -#ifdef PS3_SYSTEM_BUS_DRIVER - retval = ps3_ehci_driver_register(&PS3_SYSTEM_BUS_DRIVER); - if (retval < 0) - goto clean2; -#endif -#ifdef OF_PLATFORM_DRIVER - retval = platform_driver_register(&OF_PLATFORM_DRIVER); +#ifdef CONFIG_PPC_PS3 + retval = ps3_ehci_driver_register(&ps3_ehci_driver); if (retval < 0) - goto clean3; + goto clean1; #endif -#ifdef XILINX_OF_PLATFORM_DRIVER - retval = platform_driver_register(&XILINX_OF_PLATFORM_DRIVER); - if (retval < 0) - goto clean4; -#endif - return retval; + return 0; -#ifdef XILINX_OF_PLATFORM_DRIVER - /* platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER); */ -clean4: -#endif -#ifdef OF_PLATFORM_DRIVER - platform_driver_unregister(&OF_PLATFORM_DRIVER); -clean3: -#endif -#ifdef PS3_SYSTEM_BUS_DRIVER - ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); -clean2: +#ifdef CONFIG_PPC_PS3 +clean1: #endif -#ifdef PLATFORM_DRIVER - platform_driver_unregister(&PLATFORM_DRIVER); + platform_unregister_drivers(platform_drivers, ARRAY_SIZE(platform_drivers)); clean0: -#endif #ifdef CONFIG_DYNAMIC_DEBUG debugfs_remove(ehci_debug_root); ehci_debug_root = NULL; @@ -1376,18 +1363,10 @@ module_init(ehci_hcd_init); static void __exit ehci_hcd_cleanup(void) { -#ifdef XILINX_OF_PLATFORM_DRIVER - platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER); -#endif -#ifdef OF_PLATFORM_DRIVER - platform_driver_unregister(&OF_PLATFORM_DRIVER); -#endif -#ifdef PLATFORM_DRIVER - platform_driver_unregister(&PLATFORM_DRIVER); -#endif -#ifdef PS3_SYSTEM_BUS_DRIVER - ps3_ehci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER); +#ifdef CONFIG_PPC_PS3 + ps3_ehci_driver_unregister(&ps3_ehci_driver); #endif + platform_unregister_drivers(platform_drivers, ARRAY_SIZE(platform_drivers)); #ifdef CONFIG_DYNAMIC_DEBUG debugfs_remove(ehci_debug_root); #endif diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 0b3722770760..ded9738392e4 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -40,17 +40,6 @@ #include <mach/usb.h> -/* OMAP-1510 OHCI has its own MMU for DMA */ -#define OMAP1510_LB_MEMSIZE 32 /* Should be same as SDRAM size */ -#define OMAP1510_LB_CLOCK_DIV 0xfffec10c -#define OMAP1510_LB_MMU_CTL 0xfffec208 -#define OMAP1510_LB_MMU_LCK 0xfffec224 -#define OMAP1510_LB_MMU_LD_TLB 0xfffec228 -#define OMAP1510_LB_MMU_CAM_H 0xfffec22c -#define OMAP1510_LB_MMU_CAM_L 0xfffec230 -#define OMAP1510_LB_MMU_RAM_H 0xfffec234 -#define OMAP1510_LB_MMU_RAM_L 0xfffec238 - #define DRIVER_DESC "OHCI OMAP driver" struct ohci_omap_priv { @@ -104,61 +93,6 @@ static int omap_ohci_transceiver_power(struct ohci_omap_priv *priv, int on) return 0; } -#ifdef CONFIG_ARCH_OMAP15XX -/* - * OMAP-1510 specific Local Bus clock on/off - */ -static int omap_1510_local_bus_power(int on) -{ - if (on) { - omap_writel((1 << 1) | (1 << 0), OMAP1510_LB_MMU_CTL); - udelay(200); - } else { - omap_writel(0, OMAP1510_LB_MMU_CTL); - } - - return 0; -} - -/* - * OMAP-1510 specific Local Bus initialization - * NOTE: This assumes 32MB memory size in OMAP1510LB_MEMSIZE. - * See also arch/mach-omap/memory.h for __virt_to_dma() and - * __dma_to_virt() which need to match with the physical - * Local Bus address below. - */ -static int omap_1510_local_bus_init(void) -{ - unsigned int tlb; - unsigned long lbaddr, physaddr; - - omap_writel((omap_readl(OMAP1510_LB_CLOCK_DIV) & 0xfffffff8) | 0x4, - OMAP1510_LB_CLOCK_DIV); - - /* Configure the Local Bus MMU table */ - for (tlb = 0; tlb < OMAP1510_LB_MEMSIZE; tlb++) { - lbaddr = tlb * 0x00100000 + OMAP1510_LB_OFFSET; - physaddr = tlb * 0x00100000 + PHYS_OFFSET; - omap_writel((lbaddr & 0x0fffffff) >> 22, OMAP1510_LB_MMU_CAM_H); - omap_writel(((lbaddr & 0x003ffc00) >> 6) | 0xc, - OMAP1510_LB_MMU_CAM_L); - omap_writel(physaddr >> 16, OMAP1510_LB_MMU_RAM_H); - omap_writel((physaddr & 0x0000fc00) | 0x300, OMAP1510_LB_MMU_RAM_L); - omap_writel(tlb << 4, OMAP1510_LB_MMU_LCK); - omap_writel(0x1, OMAP1510_LB_MMU_LD_TLB); - } - - /* Enable the walking table */ - omap_writel(omap_readl(OMAP1510_LB_MMU_CTL) | (1 << 3), OMAP1510_LB_MMU_CTL); - udelay(200); - - return 0; -} -#else -#define omap_1510_local_bus_power(x) {} -#define omap_1510_local_bus_init() {} -#endif - #ifdef CONFIG_USB_OTG static void start_hnp(struct ohci_hcd *ohci) @@ -229,10 +163,8 @@ static int ohci_omap_reset(struct usb_hcd *hcd) omap_ohci_clock_power(priv, 1); - if (cpu_is_omap15xx()) { - omap_1510_local_bus_power(1); - omap_1510_local_bus_init(); - } + if (config->lb_reset) + config->lb_reset(); ret = ohci_setup(hcd); if (ret < 0) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 575fa89a783f..1bf494b649bd 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1787,7 +1787,6 @@ static int tegra_xusb_remove(struct platform_device *pdev) return 0; } -#if IS_ENABLED(CONFIG_PM) || IS_ENABLED(CONFIG_PM_SLEEP) static bool xhci_hub_ports_suspended(struct xhci_hub *hub) { struct device *dev = hub->hcd->self.controller; @@ -2102,7 +2101,7 @@ out: return err; } -static int tegra_xusb_suspend(struct device *dev) +static __maybe_unused int tegra_xusb_suspend(struct device *dev) { struct tegra_xusb *tegra = dev_get_drvdata(dev); int err; @@ -2144,7 +2143,7 @@ out: return err; } -static int tegra_xusb_resume(struct device *dev) +static __maybe_unused int tegra_xusb_resume(struct device *dev) { struct tegra_xusb *tegra = dev_get_drvdata(dev); int err; @@ -2174,10 +2173,8 @@ static int tegra_xusb_resume(struct device *dev) return 0; } -#endif -#ifdef CONFIG_PM -static int tegra_xusb_runtime_suspend(struct device *dev) +static __maybe_unused int tegra_xusb_runtime_suspend(struct device *dev) { struct tegra_xusb *tegra = dev_get_drvdata(dev); int ret; @@ -2190,7 +2187,7 @@ static int tegra_xusb_runtime_suspend(struct device *dev) return ret; } -static int tegra_xusb_runtime_resume(struct device *dev) +static __maybe_unused int tegra_xusb_runtime_resume(struct device *dev) { struct tegra_xusb *tegra = dev_get_drvdata(dev); int err; @@ -2201,7 +2198,6 @@ static int tegra_xusb_runtime_resume(struct device *dev) return err; } -#endif static const struct dev_pm_ops tegra_xusb_pm_ops = { SET_RUNTIME_PM_OPS(tegra_xusb_runtime_suspend, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f3dabd02382c..93c38b557afd 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -692,6 +692,7 @@ int xhci_run(struct usb_hcd *hcd) if (ret) xhci_free_command(xhci, command); } + set_bit(HCD_FLAG_DEFER_RH_REGISTER, &hcd->flags); xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Finished xhci_run for USB2 roothub"); diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index c42937692207..c968ecda42aa 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -190,6 +190,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len) } if (len > 0) { /* Write the rest 1 - 3 bytes to FIFO */ + val = 0; memcpy(&val, buf, len); musb_writel(fifo, 0, val); } diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 66a6ac50a4cd..189279869a8b 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -233,6 +233,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ + { USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */ { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ @@ -258,6 +259,7 @@ struct cp210x_serial_private { speed_t max_speed; bool use_actual_rate; bool no_flow_control; + bool no_event_mode; }; enum cp210x_event_state { @@ -1113,12 +1115,16 @@ static void cp210x_change_speed(struct tty_struct *tty, static void cp210x_enable_event_mode(struct usb_serial_port *port) { + struct cp210x_serial_private *priv = usb_get_serial_data(port->serial); struct cp210x_port_private *port_priv = usb_get_serial_port_data(port); int ret; if (port_priv->event_mode) return; + if (priv->no_event_mode) + return; + port_priv->event_state = ES_DATA; port_priv->event_mode = true; @@ -2074,6 +2080,33 @@ static void cp210x_init_max_speed(struct usb_serial *serial) priv->use_actual_rate = use_actual_rate; } +static void cp2102_determine_quirks(struct usb_serial *serial) +{ + struct cp210x_serial_private *priv = usb_get_serial_data(serial); + u8 *buf; + int ret; + + buf = kmalloc(2, GFP_KERNEL); + if (!buf) + return; + /* + * Some (possibly counterfeit) CP2102 do not support event-insertion + * mode and respond differently to malformed vendor requests. + * Specifically, they return one instead of two bytes when sent a + * two-byte part-number request. + */ + ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + CP210X_VENDOR_SPECIFIC, REQTYPE_DEVICE_TO_HOST, + CP210X_GET_PARTNUM, 0, buf, 2, USB_CTRL_GET_TIMEOUT); + if (ret == 1) { + dev_dbg(&serial->interface->dev, + "device does not support event-insertion mode\n"); + priv->no_event_mode = true; + } + + kfree(buf); +} + static int cp210x_get_fw_version(struct usb_serial *serial, u16 value) { struct cp210x_serial_private *priv = usb_get_serial_data(serial); @@ -2108,7 +2141,12 @@ static void cp210x_determine_type(struct usb_serial *serial) return; } + dev_dbg(&serial->interface->dev, "partnum = 0x%02x\n", priv->partnum); + switch (priv->partnum) { + case CP210X_PARTNUM_CP2102: + cp2102_determine_quirks(serial); + break; case CP210X_PARTNUM_CP2105: case CP210X_PARTNUM_CP2108: cp210x_get_fw_version(serial, CP210X_GET_FW_VER); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index d7fe33ca73e4..925067a7978d 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -107,7 +107,6 @@ #define BANDB_DEVICE_ID_USOPTL4_2P 0xBC02 #define BANDB_DEVICE_ID_USOPTL4_4 0xAC44 #define BANDB_DEVICE_ID_USOPTL4_4P 0xBC03 -#define BANDB_DEVICE_ID_USOPTL2_4 0xAC24 /* Interrupt Routine Defines */ @@ -186,7 +185,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P) }, { USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4) }, { USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P) }, - { USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4) }, {} /* terminating entry */ }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 29c765cc8495..6cfb5d33609f 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1205,6 +1205,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */ .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff), /* Telit LN920 (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff), /* Telit LN920 (MBIM) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1062, 0xff), /* Telit LN920 (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1650,7 +1658,6 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff), .driver_info = RSVD(1) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff), @@ -2068,6 +2075,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, { USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */ .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff), /* Foxconn T99W265 MBIM */ + .driver_info = RSVD(3) }, { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index efa972be2ee3..c6b3fcf90180 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -416,9 +416,16 @@ UNUSUAL_DEV( 0x04cb, 0x0100, 0x0000, 0x2210, USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN), /* - * Reported by Ondrej Zary <linux@rainbow-software.org> + * Reported by Ondrej Zary <linux@zary.sk> * The device reports one sector more and breaks when that sector is accessed + * Firmwares older than 2.6c (the latest one and the only that claims Linux + * support) have also broken tag handling */ +UNUSUAL_DEV( 0x04ce, 0x0002, 0x0000, 0x026b, + "ScanLogic", + "SL11R-IDE", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG), UNUSUAL_DEV( 0x04ce, 0x0002, 0x026c, 0x026c, "ScanLogic", "SL11R-IDE", diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index c35a6db993f1..4051c8cd0cd8 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -50,7 +50,7 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x9999, "LaCie", "Rugged USB3-FW", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_IGNORE_UAS), + US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME), /* * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index 9858716698df..c15eec9cc460 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -696,7 +696,7 @@ irqreturn_t tcpci_irq(struct tcpci *tcpci) tcpm_pd_receive(tcpci->port, &msg); } - if (status & TCPC_ALERT_EXTENDED_STATUS) { + if (tcpci->data->vbus_vsafe0v && (status & TCPC_ALERT_EXTENDED_STATUS)) { ret = regmap_read(tcpci->regmap, TCPC_EXTENDED_STATUS, &raw); if (!ret && (raw & TCPC_EXTENDED_STATUS_VSAFE0V)) tcpm_vbus_change(tcpci->port); diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index a4d37205df54..7f2f3ff1b391 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4876,6 +4876,7 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1, tcpm_set_state(port, SRC_ATTACH_WAIT, 0); break; case SRC_ATTACHED: + case SRC_STARTUP: case SRC_SEND_CAPABILITIES: case SRC_READY: if (tcpm_port_is_disconnected(port) || diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index 21b3ae25c76d..ea4cc0a6e40c 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -625,10 +625,6 @@ static int tps6598x_probe(struct i2c_client *client) if (ret < 0) return ret; - fwnode = device_get_named_child_node(&client->dev, "connector"); - if (!fwnode) - return -ENODEV; - /* * This fwnode has a "compatible" property, but is never populated as a * struct device. Instead we simply parse it to read the properties. @@ -636,7 +632,9 @@ static int tps6598x_probe(struct i2c_client *client) * with existing DT files, we work around this by deleting any * fwnode_links to/from this fwnode. */ - fw_devlink_purge_absent_suppliers(fwnode); + fwnode = device_get_named_child_node(&client->dev, "connector"); + if (fwnode) + fw_devlink_purge_absent_suppliers(fwnode); tps->role_sw = fwnode_usb_role_switch_get(fwnode); if (IS_ERR(tps->role_sw)) { diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 294ba05e6fc9..bd56de7484dc 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -1714,6 +1714,9 @@ static void mlx5_vdpa_set_vq_ready(struct vdpa_device *vdev, u16 idx, bool ready struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev); struct mlx5_vdpa_virtqueue *mvq; + if (!mvdev->actual_features) + return; + if (!is_index_valid(mvdev, idx)) return; @@ -2145,6 +2148,8 @@ static void clear_vqs_ready(struct mlx5_vdpa_net *ndev) for (i = 0; i < ndev->mvdev.max_vqs; i++) ndev->vqs[i].ready = false; + + ndev->mvdev.cvq.ready = false; } static void mlx5_vdpa_set_status(struct vdpa_device *vdev, u8 status) diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c index 29a38ecba19e..26e3d90d1e7c 100644 --- a/drivers/vdpa/vdpa_user/vduse_dev.c +++ b/drivers/vdpa/vdpa_user/vduse_dev.c @@ -665,13 +665,11 @@ static void vduse_vdpa_set_config(struct vdpa_device *vdpa, unsigned int offset, static int vduse_vdpa_reset(struct vdpa_device *vdpa) { struct vduse_dev *dev = vdpa_to_vduse(vdpa); - - if (vduse_dev_set_status(dev, 0)) - return -EIO; + int ret = vduse_dev_set_status(dev, 0); vduse_dev_reset(dev); - return 0; + return ret; } static u32 vduse_vdpa_get_generation(struct vdpa_device *vdpa) @@ -1593,8 +1591,10 @@ static int vduse_init(void) vduse_irq_wq = alloc_workqueue("vduse-irq", WQ_HIGHPRI | WQ_SYSFS | WQ_UNBOUND, 0); - if (!vduse_irq_wq) + if (!vduse_irq_wq) { + ret = -ENOMEM; goto err_wq; + } ret = vduse_domain_init(); if (ret) diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index 68198e0f2a63..a03b5a99c2da 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -565,7 +565,7 @@ static bool vfio_pci_dev_below_slot(struct pci_dev *pdev, struct pci_slot *slot) } struct vfio_pci_walk_info { - int (*fn)(struct pci_dev *, void *data); + int (*fn)(struct pci_dev *pdev, void *data); void *data; struct pci_dev *pdev; bool slot; diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 3a249ee7e144..28ef323882fb 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -467,7 +467,7 @@ static void vhost_tx_batch(struct vhost_net *net, .num = nvq->batched_xdp, .ptr = nvq->xdp, }; - int err; + int i, err; if (nvq->batched_xdp == 0) goto signal_used; @@ -476,6 +476,15 @@ static void vhost_tx_batch(struct vhost_net *net, err = sock->ops->sendmsg(sock, msghdr, 0); if (unlikely(err < 0)) { vq_err(&nvq->vq, "Fail to batch sending packets\n"); + + /* free pages owned by XDP; since this is an unlikely error path, + * keep it simple and avoid more complex bulk update for the + * used pages + */ + for (i = 0; i < nvq->batched_xdp; ++i) + put_page(virt_to_head_page(nvq->xdp[i].data)); + nvq->batched_xdp = 0; + nvq->done_idx = 0; return; } diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index f41d081777f5..35927ceb26ff 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -640,7 +640,7 @@ static int vhost_vdpa_va_map(struct vhost_vdpa *v, u64 offset, map_size, map_iova = iova; struct vdpa_map_file *map_file; struct vm_area_struct *vma; - int ret; + int ret = 0; mmap_read_lock(dev->mm); diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index d33c5cd684c0..6ed5e608dd04 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -582,7 +582,9 @@ config FB_HP300 config FB_TGA tristate "TGA/SFB+ framebuffer support" - depends on FB && (ALPHA || TC) + depends on FB + depends on PCI || TC + depends on ALPHA || TC select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2191,8 +2193,9 @@ config FB_HYPERV This framebuffer driver supports Microsoft Hyper-V Synthetic Video. config FB_SIMPLE - bool "Simple framebuffer support" - depends on (FB = y) && !DRM_SIMPLEDRM + tristate "Simple framebuffer support" + depends on FB + depends on !DRM_SIMPLEDRM select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index c5b99a4861e8..6b4d5a7f3e15 100644 --- a/drivers/video/fbdev/gbefb.c +++ b/drivers/video/fbdev/gbefb.c @@ -1267,7 +1267,7 @@ static struct platform_device *gbefb_device; static int __init gbefb_init(void) { int ret = platform_driver_register(&gbefb_driver); - if (!ret) { + if (IS_ENABLED(CONFIG_SGI_IP32) && !ret) { gbefb_device = platform_device_alloc("gbefb", 0); if (gbefb_device) { ret = platform_device_add(gbefb_device); diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 588e02fb91d3..0a5b54034d4b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -345,8 +345,13 @@ static int virtio_device_of_init(struct virtio_device *dev) ret = snprintf(compat, sizeof(compat), "virtio,device%x", dev->id.device); BUG_ON(ret >= sizeof(compat)); + /* + * On powerpc/pseries virtio devices are PCI devices so PCI + * vendor/device ids play the role of the "compatible" property. + * Simply don't init of_node in this case. + */ if (!of_device_is_compatible(np, compat)) { - ret = -EINVAL; + ret = 0; goto out; } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index b81fe4f7d434..bf59faeb3de1 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1666,7 +1666,7 @@ config WDT_MTX1 config SIBYTE_WDOG tristate "Sibyte SoC hardware watchdog" - depends on CPU_SB1 || (MIPS && COMPILE_TEST) + depends on CPU_SB1 help Watchdog driver for the built in watchdog hardware in Sibyte SoC processors. There are apparently two watchdog timers diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 5f1ce59b44b9..1b2c3aca6887 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -177,6 +177,7 @@ config XEN_GRANT_DMA_ALLOC config SWIOTLB_XEN def_bool y + depends on XEN_PV || ARM || ARM64 select DMA_OPS select SWIOTLB @@ -214,7 +215,7 @@ config XEN_PVCALLS_FRONTEND implements them. config XEN_PVCALLS_BACKEND - bool "XEN PV Calls backend driver" + tristate "XEN PV Calls backend driver" depends on INET && XEN && XEN_BACKEND help Experimental backend for the Xen PV Calls protocol @@ -240,7 +241,7 @@ config XEN_PRIVCMD config XEN_ACPI_PROCESSOR tristate "Xen ACPI processor" - depends on XEN && XEN_DOM0 && X86 && ACPI_PROCESSOR && CPU_FREQ + depends on XEN && XEN_PV_DOM0 && X86 && ACPI_PROCESSOR && CPU_FREQ default m help This ACPI processor uploads Power Management information to the Xen @@ -258,7 +259,7 @@ config XEN_ACPI_PROCESSOR config XEN_MCE_LOG bool "Xen platform mcelog" - depends on XEN_DOM0 && X86_MCE + depends on XEN_PV_DOM0 && X86_MCE help Allow kernel fetching MCE error from Xen platform and converting it into Linux mcelog format for mcelog tools diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 671c71245a7b..3a50f097ed3e 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -43,6 +43,8 @@ #include <linux/sched.h> #include <linux/cred.h> #include <linux/errno.h> +#include <linux/freezer.h> +#include <linux/kthread.h> #include <linux/mm.h> #include <linux/memblock.h> #include <linux/pagemap.h> @@ -115,7 +117,7 @@ static struct ctl_table xen_root[] = { #define EXTENT_ORDER (fls(XEN_PFN_PER_PAGE) - 1) /* - * balloon_process() state: + * balloon_thread() state: * * BP_DONE: done or nothing to do, * BP_WAIT: wait to be rescheduled, @@ -130,6 +132,8 @@ enum bp_state { BP_ECANCELED }; +/* Main waiting point for xen-balloon thread. */ +static DECLARE_WAIT_QUEUE_HEAD(balloon_thread_wq); static DEFINE_MUTEX(balloon_mutex); @@ -144,10 +148,6 @@ static xen_pfn_t frame_list[PAGE_SIZE / sizeof(xen_pfn_t)]; static LIST_HEAD(ballooned_pages); static DECLARE_WAIT_QUEUE_HEAD(balloon_wq); -/* Main work function, always executed in process context. */ -static void balloon_process(struct work_struct *work); -static DECLARE_DELAYED_WORK(balloon_worker, balloon_process); - /* When ballooning out (allocating memory to return to Xen) we don't really want the kernel to try too hard since that can trigger the oom killer. */ #define GFP_BALLOON \ @@ -366,7 +366,7 @@ static void xen_online_page(struct page *page, unsigned int order) static int xen_memory_notifier(struct notifier_block *nb, unsigned long val, void *v) { if (val == MEM_ONLINE) - schedule_delayed_work(&balloon_worker, 0); + wake_up(&balloon_thread_wq); return NOTIFY_OK; } @@ -491,18 +491,52 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) } /* - * As this is a work item it is guaranteed to run as a single instance only. + * Stop waiting if either state is BP_DONE and ballooning action is + * needed, or if the credit has changed while state is not BP_DONE. + */ +static bool balloon_thread_cond(enum bp_state state, long credit) +{ + if (state == BP_DONE) + credit = 0; + + return current_credit() != credit || kthread_should_stop(); +} + +/* + * As this is a kthread it is guaranteed to run as a single instance only. * We may of course race updates of the target counts (which are protected * by the balloon lock), or with changes to the Xen hard limit, but we will * recover from these in time. */ -static void balloon_process(struct work_struct *work) +static int balloon_thread(void *unused) { enum bp_state state = BP_DONE; long credit; + unsigned long timeout; + + set_freezable(); + for (;;) { + switch (state) { + case BP_DONE: + case BP_ECANCELED: + timeout = 3600 * HZ; + break; + case BP_EAGAIN: + timeout = balloon_stats.schedule_delay * HZ; + break; + case BP_WAIT: + timeout = HZ; + break; + } + + credit = current_credit(); + wait_event_freezable_timeout(balloon_thread_wq, + balloon_thread_cond(state, credit), timeout); + + if (kthread_should_stop()) + return 0; - do { mutex_lock(&balloon_mutex); credit = current_credit(); @@ -529,12 +563,7 @@ static void balloon_process(struct work_struct *work) mutex_unlock(&balloon_mutex); cond_resched(); - - } while (credit && state == BP_DONE); - - /* Schedule more work if there is some still to be done. */ - if (state == BP_EAGAIN) - schedule_delayed_work(&balloon_worker, balloon_stats.schedule_delay * HZ); + } } /* Resets the Xen limit, sets new target, and kicks off processing. */ @@ -542,7 +571,7 @@ void balloon_set_new_target(unsigned long target) { /* No need for lock. Not read-modify-write updates. */ balloon_stats.target_pages = target; - schedule_delayed_work(&balloon_worker, 0); + wake_up(&balloon_thread_wq); } EXPORT_SYMBOL_GPL(balloon_set_new_target); @@ -647,7 +676,7 @@ void free_xenballooned_pages(int nr_pages, struct page **pages) /* The balloon may be too large now. Shrink it if needed. */ if (current_credit()) - schedule_delayed_work(&balloon_worker, 0); + wake_up(&balloon_thread_wq); mutex_unlock(&balloon_mutex); } @@ -679,6 +708,8 @@ static void __init balloon_add_region(unsigned long start_pfn, static int __init balloon_init(void) { + struct task_struct *task; + if (!xen_domain()) return -ENODEV; @@ -722,6 +753,12 @@ static int __init balloon_init(void) } #endif + task = kthread_run(balloon_thread, NULL, "xen-balloon"); + if (IS_ERR(task)) { + pr_err("xen-balloon thread could not be started, ballooning will not work!\n"); + return PTR_ERR(task); + } + /* Init the xen-balloon driver. */ xen_balloon_init(); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 1e7f6b1c0c97..fec1b6537166 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -381,6 +381,14 @@ static int __unmap_grant_pages(struct gntdev_grant_map *map, int offset, map->unmap_ops[offset+i].handle, map->unmap_ops[offset+i].status); map->unmap_ops[offset+i].handle = INVALID_GRANT_HANDLE; + if (use_ptemod) { + if (map->kunmap_ops[offset+i].status) + err = -EINVAL; + pr_debug("kunmap handle=%u st=%d\n", + map->kunmap_ops[offset+i].handle, + map->kunmap_ops[offset+i].status); + map->kunmap_ops[offset+i].handle = INVALID_GRANT_HANDLE; + } } return err; } diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 720a7b7abd46..3369734108af 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -257,7 +257,7 @@ static long privcmd_ioctl_mmap(struct file *file, void __user *udata) LIST_HEAD(pagelist); struct mmap_gfn_state state; - /* We only support privcmd_ioctl_mmap_batch for auto translated. */ + /* We only support privcmd_ioctl_mmap_batch for non-auto-translated. */ if (xen_feature(XENFEAT_auto_translated_physmap)) return -ENOSYS; @@ -420,7 +420,7 @@ static int alloc_empty_pages(struct vm_area_struct *vma, int numpgs) int rc; struct page **pages; - pages = kcalloc(numpgs, sizeof(pages[0]), GFP_KERNEL); + pages = kvcalloc(numpgs, sizeof(pages[0]), GFP_KERNEL); if (pages == NULL) return -ENOMEM; @@ -428,7 +428,7 @@ static int alloc_empty_pages(struct vm_area_struct *vma, int numpgs) if (rc != 0) { pr_warn("%s Could not alloc %d pfns rc:%d\n", __func__, numpgs, rc); - kfree(pages); + kvfree(pages); return -ENOMEM; } BUG_ON(vma->vm_private_data != NULL); @@ -803,21 +803,21 @@ static long privcmd_ioctl_mmap_resource(struct file *file, unsigned int domid = (xdata.flags & XENMEM_rsrc_acq_caller_owned) ? DOMID_SELF : kdata.dom; - int num; + int num, *errs = (int *)pfns; + BUILD_BUG_ON(sizeof(*errs) > sizeof(*pfns)); num = xen_remap_domain_mfn_array(vma, kdata.addr & PAGE_MASK, - pfns, kdata.num, (int *)pfns, + pfns, kdata.num, errs, vma->vm_page_prot, - domid, - vma->vm_private_data); + domid); if (num < 0) rc = num; else if (num != kdata.num) { unsigned int i; for (i = 0; i < num; i++) { - rc = pfns[i]; + rc = errs[i]; if (rc < 0) break; } @@ -912,7 +912,7 @@ static void privcmd_close(struct vm_area_struct *vma) else pr_crit("unable to unmap MFN range: leaking %d pages. rc=%d\n", numpgs, rc); - kfree(pages); + kvfree(pages); } static vm_fault_t privcmd_fault(struct vm_fault *vmf) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 643fe440c46e..e56a5faac395 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -106,27 +106,26 @@ static int is_xen_swiotlb_buffer(struct device *dev, dma_addr_t dma_addr) static int xen_swiotlb_fixup(void *buf, unsigned long nslabs) { - int i, rc; - int dma_bits; + int rc; + unsigned int order = get_order(IO_TLB_SEGSIZE << IO_TLB_SHIFT); + unsigned int i, dma_bits = order + PAGE_SHIFT; dma_addr_t dma_handle; phys_addr_t p = virt_to_phys(buf); - dma_bits = get_order(IO_TLB_SEGSIZE << IO_TLB_SHIFT) + PAGE_SHIFT; + BUILD_BUG_ON(IO_TLB_SEGSIZE & (IO_TLB_SEGSIZE - 1)); + BUG_ON(nslabs % IO_TLB_SEGSIZE); i = 0; do { - int slabs = min(nslabs - i, (unsigned long)IO_TLB_SEGSIZE); - do { rc = xen_create_contiguous_region( - p + (i << IO_TLB_SHIFT), - get_order(slabs << IO_TLB_SHIFT), + p + (i << IO_TLB_SHIFT), order, dma_bits, &dma_handle); } while (rc && dma_bits++ < MAX_DMA_BITS); if (rc) return rc; - i += slabs; + i += IO_TLB_SEGSIZE; } while (i < nslabs); return 0; } @@ -153,9 +152,7 @@ static const char *xen_swiotlb_error(enum xen_swiotlb_err err) return ""; } -#define DEFAULT_NSLABS ALIGN(SZ_64M >> IO_TLB_SHIFT, IO_TLB_SEGSIZE) - -int __ref xen_swiotlb_init(void) +int xen_swiotlb_init(void) { enum xen_swiotlb_err m_ret = XEN_SWIOTLB_UNKNOWN; unsigned long bytes = swiotlb_size_or_default(); @@ -185,7 +182,7 @@ retry: order--; } if (!start) - goto error; + goto exit; if (order != get_order(bytes)) { pr_warn("Warning: only able to allocate %ld MB for software IO TLB\n", (PAGE_SIZE << order) >> 20); @@ -208,15 +205,15 @@ retry: swiotlb_set_max_segment(PAGE_SIZE); return 0; error: - if (repeat--) { + if (nslabs > 1024 && repeat--) { /* Min is 2MB */ - nslabs = max(1024UL, (nslabs >> 1)); - pr_info("Lowering to %luMB\n", - (nslabs << IO_TLB_SHIFT) >> 20); + nslabs = max(1024UL, ALIGN(nslabs >> 1, IO_TLB_SEGSIZE)); + bytes = nslabs << IO_TLB_SHIFT; + pr_info("Lowering to %luMB\n", bytes >> 20); goto retry; } +exit: pr_err("%s (rc:%d)\n", xen_swiotlb_error(m_ret), rc); - free_pages((unsigned long)start, order); return rc; } @@ -233,10 +230,11 @@ retry: /* * Get IO TLB memory from any location. */ - start = memblock_alloc(PAGE_ALIGN(bytes), PAGE_SIZE); + start = memblock_alloc(PAGE_ALIGN(bytes), + IO_TLB_SEGSIZE << IO_TLB_SHIFT); if (!start) - panic("%s: Failed to allocate %lu bytes align=0x%lx\n", - __func__, PAGE_ALIGN(bytes), PAGE_SIZE); + panic("%s: Failed to allocate %lu bytes\n", + __func__, PAGE_ALIGN(bytes)); /* * And replace that memory with pages under 4GB. @@ -244,9 +242,9 @@ retry: rc = xen_swiotlb_fixup(start, nslabs); if (rc) { memblock_free(__pa(start), PAGE_ALIGN(bytes)); - if (repeat--) { + if (nslabs > 1024 && repeat--) { /* Min is 2MB */ - nslabs = max(1024UL, (nslabs >> 1)); + nslabs = max(1024UL, ALIGN(nslabs >> 1, IO_TLB_SEGSIZE)); bytes = nslabs << IO_TLB_SHIFT; pr_info("Lowering to %luMB\n", bytes >> 20); goto retry; @@ -254,7 +252,7 @@ retry: panic("%s (rc:%d)", xen_swiotlb_error(XEN_SWIOTLB_EFIXUP), rc); } - if (swiotlb_init_with_tbl(start, nslabs, false)) + if (swiotlb_init_with_tbl(start, nslabs, true)) panic("Cannot allocate SWIOTLB buffer"); swiotlb_set_max_segment(PAGE_SIZE); } diff --git a/fs/9p/cache.c b/fs/9p/cache.c index eb2151fb6049..1769a44f4819 100644 --- a/fs/9p/cache.c +++ b/fs/9p/cache.c @@ -23,7 +23,7 @@ struct fscache_netfs v9fs_cache_netfs = { .version = 0, }; -/** +/* * v9fs_random_cachetag - Generate a random tag to be associated * with a new cache session. * @@ -233,7 +233,7 @@ static void v9fs_vfs_readpage_complete(struct page *page, void *data, unlock_page(page); } -/** +/* * __v9fs_readpage_from_fscache - read a page from cache * * Returns 0 if the pages are in cache and a BIO is submitted, @@ -268,7 +268,7 @@ int __v9fs_readpage_from_fscache(struct inode *inode, struct page *page) } } -/** +/* * __v9fs_readpages_from_fscache - read multiple pages from cache * * Returns 0 if the pages are in cache and a BIO is submitted, @@ -308,7 +308,7 @@ int __v9fs_readpages_from_fscache(struct inode *inode, } } -/** +/* * __v9fs_readpage_to_fscache - write a page to the cache * */ diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 9d9de62592be..b8863dd0de5c 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -19,18 +19,18 @@ #include "v9fs_vfs.h" #include "fid.h" +static inline void __add_fid(struct dentry *dentry, struct p9_fid *fid) +{ + hlist_add_head(&fid->dlist, (struct hlist_head *)&dentry->d_fsdata); +} + + /** * v9fs_fid_add - add a fid to a dentry * @dentry: dentry that the fid is being added to * @fid: fid to add * */ - -static inline void __add_fid(struct dentry *dentry, struct p9_fid *fid) -{ - hlist_add_head(&fid->dlist, (struct hlist_head *)&dentry->d_fsdata); -} - void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid) { spin_lock(&dentry->d_lock); @@ -67,7 +67,7 @@ static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid) /** * v9fs_open_fid_add - add an open fid to an inode - * @dentry: inode that the fid is being added to + * @inode: inode that the fid is being added to * @fid: fid to add * */ diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index cdb99507ef33..2e0fa7c932db 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -155,6 +155,7 @@ int v9fs_show_options(struct seq_file *m, struct dentry *root) /** * v9fs_parse_options - parse mount options into session structure * @v9ses: existing v9fs session information + * @opts: The mount option string * * Return 0 upon success, -ERRNO upon failure. */ @@ -542,12 +543,9 @@ extern int v9fs_error_init(void); static struct kobject *v9fs_kobj; #ifdef CONFIG_9P_FSCACHE -/** - * caches_show - list caches associated with a session - * - * Returns the size of buffer written. +/* + * List caches associated with a session */ - static ssize_t caches_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index cce9ace651a2..1c4f1b39cc95 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -30,8 +30,7 @@ /** * v9fs_fid_readpage - read an entire page in from 9P - * - * @fid: fid being read + * @data: Opaque pointer to the fid being read * @page: structure to page * */ @@ -116,6 +115,8 @@ static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping, /** * v9fs_release_page - release the private state associated with a page + * @page: The page to be released + * @gfp: The caller's allocation restrictions * * Returns 1 if the page can be released, false otherwise. */ @@ -129,9 +130,9 @@ static int v9fs_release_page(struct page *page, gfp_t gfp) /** * v9fs_invalidate_page - Invalidate a page completely or partially - * - * @page: structure to page - * @offset: offset in the page + * @page: The page to be invalidated + * @offset: offset of the invalidated region + * @length: length of the invalidated region */ static void v9fs_invalidate_page(struct page *page, unsigned int offset, @@ -199,6 +200,8 @@ static int v9fs_vfs_writepage(struct page *page, struct writeback_control *wbc) /** * v9fs_launder_page - Writeback a dirty page + * @page: The page to be cleaned up + * * Returns 0 on success. */ @@ -219,6 +222,7 @@ static int v9fs_launder_page(struct page *page) /** * v9fs_direct_IO - 9P address space operation for direct I/O * @iocb: target I/O control block + * @iter: The data/buffer to use * * The presence of v9fs_direct_IO() in the address space ops vector * allowes open() O_DIRECT flags which would have failed otherwise. diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index aab5e6538660..246235ebdb70 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -359,14 +359,11 @@ out_err: } /** - * v9fs_file_read - read from a file - * @filp: file pointer to read - * @udata: user data buffer to read data into - * @count: size of buffer - * @offset: offset at which to read data + * v9fs_file_read_iter - read from a file + * @iocb: The operation parameters + * @to: The buffer to read into * */ - static ssize_t v9fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) { @@ -388,11 +385,9 @@ v9fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to) } /** - * v9fs_file_write - write to a file - * @filp: file pointer to write - * @data: data buffer to write data from - * @count: size of buffer - * @offset: offset at which to write data + * v9fs_file_write_iter - write to a file + * @iocb: The operation parameters + * @from: The data to write * */ static ssize_t @@ -561,11 +556,9 @@ out_unlock: } /** - * v9fs_mmap_file_read - read from a file - * @filp: file pointer to read - * @data: user data buffer to read data into - * @count: size of buffer - * @offset: offset at which to read data + * v9fs_mmap_file_read_iter - read from a file + * @iocb: The operation parameters + * @to: The buffer to read into * */ static ssize_t @@ -576,11 +569,9 @@ v9fs_mmap_file_read_iter(struct kiocb *iocb, struct iov_iter *to) } /** - * v9fs_mmap_file_write - write to a file - * @filp: file pointer to write - * @data: data buffer to write data from - * @count: size of buffer - * @offset: offset at which to write data + * v9fs_mmap_file_write_iter - write to a file + * @iocb: The operation parameters + * @from: The data to write * */ static ssize_t diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 795706520b5e..08f48b70a741 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -218,7 +218,7 @@ v9fs_blank_wstat(struct p9_wstat *wstat) /** * v9fs_alloc_inode - helper function to allocate an inode - * + * @sb: The superblock to allocate the inode from */ struct inode *v9fs_alloc_inode(struct super_block *sb) { @@ -238,7 +238,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb) /** * v9fs_free_inode - destroy an inode - * + * @inode: The inode to be freed */ void v9fs_free_inode(struct inode *inode) @@ -343,7 +343,7 @@ error: * v9fs_get_inode - helper function to setup an inode * @sb: superblock * @mode: mode to setup inode with - * + * @rdev: The device numbers to set */ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev) @@ -369,7 +369,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev) } /** - * v9fs_clear_inode - release an inode + * v9fs_evict_inode - Remove an inode from the inode cache * @inode: inode to release * */ @@ -665,14 +665,15 @@ error: /** * v9fs_vfs_create - VFS hook to create a regular file + * @mnt_userns: The user namespace of the mount + * @dir: The parent directory + * @dentry: The name of file to be created + * @mode: The UNIX file mode to set + * @excl: True if the file must not yet exist * * open(.., O_CREAT) is handled in v9fs_vfs_atomic_open(). This is only called * for mknod(2). * - * @dir: directory inode that is being created - * @dentry: dentry that is being deleted - * @mode: create permissions - * */ static int @@ -696,6 +697,7 @@ v9fs_vfs_create(struct user_namespace *mnt_userns, struct inode *dir, /** * v9fs_vfs_mkdir - VFS mkdir hook to create a directory + * @mnt_userns: The user namespace of the mount * @dir: inode that is being unlinked * @dentry: dentry that is being unlinked * @mode: mode for new directory @@ -900,10 +902,12 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d) /** * v9fs_vfs_rename - VFS hook to rename an inode + * @mnt_userns: The user namespace of the mount * @old_dir: old dir inode * @old_dentry: old dentry * @new_dir: new dir inode * @new_dentry: new dentry + * @flags: RENAME_* flags * */ @@ -1009,6 +1013,7 @@ done: /** * v9fs_vfs_getattr - retrieve file metadata + * @mnt_userns: The user namespace of the mount * @path: Object to query * @stat: metadata structure to populate * @request_mask: Mask of STATX_xxx flags indicating the caller's interests @@ -1050,6 +1055,7 @@ v9fs_vfs_getattr(struct user_namespace *mnt_userns, const struct path *path, /** * v9fs_vfs_setattr - set file metadata + * @mnt_userns: The user namespace of the mount * @dentry: file whose metadata to set * @iattr: metadata assignment structure * @@ -1285,6 +1291,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry, /** * v9fs_vfs_symlink - helper function to create symlinks + * @mnt_userns: The user namespace of the mount * @dir: directory inode containing symlink * @dentry: dentry for symlink * @symname: symlink data @@ -1340,6 +1347,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir, /** * v9fs_vfs_mknod - create a special file + * @mnt_userns: The user namespace of the mount * @dir: inode destination for new link * @dentry: dentry for file * @mode: mode for creation diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index e1c0240b51c0..01b9e1281a29 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -37,7 +37,10 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir, struct dentry *dentry, umode_t omode, dev_t rdev); /** - * v9fs_get_fsgid_for_create - Helper function to get the gid for creating a + * v9fs_get_fsgid_for_create - Helper function to get the gid for a new object + * @dir_inode: The directory inode + * + * Helper function to get the gid for creating a * new file system object. This checks the S_ISGID to determine the owning * group of the new file system object. */ @@ -211,12 +214,13 @@ int v9fs_open_to_dotl_flags(int flags) /** * v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol. + * @mnt_userns: The user namespace of the mount * @dir: directory inode that is being created * @dentry: dentry that is being deleted * @omode: create permissions + * @excl: True if the file must not yet exist * */ - static int v9fs_vfs_create_dotl(struct user_namespace *mnt_userns, struct inode *dir, struct dentry *dentry, umode_t omode, bool excl) @@ -361,6 +365,7 @@ err_clunk_old_fid: /** * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory + * @mnt_userns: The user namespace of the mount * @dir: inode that is being unlinked * @dentry: dentry that is being unlinked * @omode: mode for new directory @@ -537,6 +542,7 @@ static int v9fs_mapped_iattr_valid(int iattr_valid) /** * v9fs_vfs_setattr_dotl - set file metadata + * @mnt_userns: The user namespace of the mount * @dentry: file whose metadata to set * @iattr: metadata assignment structure * @@ -816,6 +822,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, /** * v9fs_vfs_mknod_dotl - create a special file + * @mnt_userns: The user namespace of the mount * @dir: inode destination for new link * @dentry: dentry for file * @omode: mode for creation diff --git a/fs/afs/callback.c b/fs/afs/callback.c index 7d9b23d981bf..1b4d5809808d 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -21,6 +21,37 @@ #include "internal.h" /* + * Handle invalidation of an mmap'd file. We invalidate all the PTEs referring + * to the pages in this file's pagecache, forcing the kernel to go through + * ->fault() or ->page_mkwrite() - at which point we can handle invalidation + * more fully. + */ +void afs_invalidate_mmap_work(struct work_struct *work) +{ + struct afs_vnode *vnode = container_of(work, struct afs_vnode, cb_work); + + unmap_mapping_pages(vnode->vfs_inode.i_mapping, 0, 0, false); +} + +void afs_server_init_callback_work(struct work_struct *work) +{ + struct afs_server *server = container_of(work, struct afs_server, initcb_work); + struct afs_vnode *vnode; + struct afs_cell *cell = server->cell; + + down_read(&cell->fs_open_mmaps_lock); + + list_for_each_entry(vnode, &cell->fs_open_mmaps, cb_mmap_link) { + if (vnode->cb_server == server) { + clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags); + queue_work(system_unbound_wq, &vnode->cb_work); + } + } + + up_read(&cell->fs_open_mmaps_lock); +} + +/* * Allow the fileserver to request callback state (re-)initialisation. * Unfortunately, UUIDs are not guaranteed unique. */ @@ -29,8 +60,11 @@ void afs_init_callback_state(struct afs_server *server) rcu_read_lock(); do { server->cb_s_break++; - server = rcu_dereference(server->uuid_next); - } while (0); + atomic_inc(&server->cell->fs_s_break); + if (!list_empty(&server->cell->fs_open_mmaps)) + queue_work(system_unbound_wq, &server->initcb_work); + + } while ((server = rcu_dereference(server->uuid_next))); rcu_read_unlock(); } @@ -44,11 +78,17 @@ void __afs_break_callback(struct afs_vnode *vnode, enum afs_cb_break_reason reas clear_bit(AFS_VNODE_NEW_CONTENT, &vnode->flags); if (test_and_clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) { vnode->cb_break++; + vnode->cb_v_break = vnode->volume->cb_v_break; afs_clear_permits(vnode); if (vnode->lock_state == AFS_VNODE_LOCK_WAITING_FOR_CB) afs_lock_may_be_available(vnode); + if (reason != afs_cb_break_for_deleted && + vnode->status.type == AFS_FTYPE_FILE && + atomic_read(&vnode->cb_nr_mmap)) + queue_work(system_unbound_wq, &vnode->cb_work); + trace_afs_cb_break(&vnode->fid, vnode->cb_break, reason, true); } else { trace_afs_cb_break(&vnode->fid, vnode->cb_break, reason, false); diff --git a/fs/afs/cell.c b/fs/afs/cell.c index 887b673f6223..d88407fb9bc0 100644 --- a/fs/afs/cell.c +++ b/fs/afs/cell.c @@ -166,6 +166,8 @@ static struct afs_cell *afs_alloc_cell(struct afs_net *net, seqlock_init(&cell->volume_lock); cell->fs_servers = RB_ROOT; seqlock_init(&cell->fs_lock); + INIT_LIST_HEAD(&cell->fs_open_mmaps); + init_rwsem(&cell->fs_open_mmaps_lock); rwlock_init(&cell->vl_servers_lock); cell->flags = (1 << AFS_CELL_FL_CHECK_ALIAS); diff --git a/fs/afs/dir.c b/fs/afs/dir.c index ac829e63c570..4579bbda4634 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -1077,9 +1077,9 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry, */ static int afs_d_revalidate_rcu(struct dentry *dentry) { - struct afs_vnode *dvnode, *vnode; + struct afs_vnode *dvnode; struct dentry *parent; - struct inode *dir, *inode; + struct inode *dir; long dir_version, de_version; _enter("%p", dentry); @@ -1109,18 +1109,6 @@ static int afs_d_revalidate_rcu(struct dentry *dentry) return -ECHILD; } - /* Check to see if the vnode referred to by the dentry still - * has a callback. - */ - if (d_really_is_positive(dentry)) { - inode = d_inode_rcu(dentry); - if (inode) { - vnode = AFS_FS_I(inode); - if (!afs_check_validity(vnode)) - return -ECHILD; - } - } - return 1; /* Still valid */ } @@ -1156,17 +1144,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) if (IS_ERR(key)) key = NULL; - if (d_really_is_positive(dentry)) { - inode = d_inode(dentry); - if (inode) { - vnode = AFS_FS_I(inode); - afs_validate(vnode, key); - if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) - goto out_bad; - } - } - - /* lock down the parent dentry so we can peer at it */ + /* Hold the parent dentry so we can peer at it */ parent = dget_parent(dentry); dir = AFS_FS_I(d_inode(parent)); @@ -1175,7 +1153,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) if (test_bit(AFS_VNODE_DELETED, &dir->flags)) { _debug("%pd: parent dir deleted", dentry); - goto out_bad_parent; + goto not_found; } /* We only need to invalidate a dentry if the server's copy changed @@ -1201,12 +1179,12 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) case 0: /* the filename maps to something */ if (d_really_is_negative(dentry)) - goto out_bad_parent; + goto not_found; inode = d_inode(dentry); if (is_bad_inode(inode)) { printk("kAFS: afs_d_revalidate: %pd2 has bad inode\n", dentry); - goto out_bad_parent; + goto not_found; } vnode = AFS_FS_I(inode); @@ -1228,9 +1206,6 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) dentry, fid.unique, vnode->fid.unique, vnode->vfs_inode.i_generation); - write_seqlock(&vnode->cb_lock); - set_bit(AFS_VNODE_DELETED, &vnode->flags); - write_sequnlock(&vnode->cb_lock); goto not_found; } goto out_valid; @@ -1245,7 +1220,7 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) default: _debug("failed to iterate dir %pd: %d", parent, ret); - goto out_bad_parent; + goto not_found; } out_valid: @@ -1256,16 +1231,9 @@ out_valid_noupdate: _leave(" = 1 [valid]"); return 1; - /* the dirent, if it exists, now points to a different vnode */ not_found: - spin_lock(&dentry->d_lock); - dentry->d_flags |= DCACHE_NFSFS_RENAMED; - spin_unlock(&dentry->d_lock); - -out_bad_parent: _debug("dropping dentry %pd2", dentry); dput(parent); -out_bad: key_put(key); _leave(" = 0 [bad]"); @@ -1792,6 +1760,10 @@ static int afs_link(struct dentry *from, struct inode *dir, goto error; } + ret = afs_validate(vnode, op->key); + if (ret < 0) + goto error_op; + afs_op_set_vnode(op, 0, dvnode); afs_op_set_vnode(op, 1, vnode); op->file[0].dv_delta = 1; @@ -1805,6 +1777,8 @@ static int afs_link(struct dentry *from, struct inode *dir, op->create.reason = afs_edit_dir_for_link; return afs_do_sync_operation(op); +error_op: + afs_put_operation(op); error: d_drop(dentry); _leave(" = %d", ret); @@ -1989,6 +1963,11 @@ static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, if (IS_ERR(op)) return PTR_ERR(op); + ret = afs_validate(vnode, op->key); + op->error = ret; + if (ret < 0) + goto error; + afs_op_set_vnode(op, 0, orig_dvnode); afs_op_set_vnode(op, 1, new_dvnode); /* May be same as orig_dvnode */ op->file[0].dv_delta = 1; diff --git a/fs/afs/dir_edit.c b/fs/afs/dir_edit.c index f4600c1353ad..540b9fc96824 100644 --- a/fs/afs/dir_edit.c +++ b/fs/afs/dir_edit.c @@ -263,7 +263,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode, if (b == nr_blocks) { _debug("init %u", b); afs_edit_init_block(meta, block, b); - i_size_write(&vnode->vfs_inode, (b + 1) * AFS_DIR_BLOCK_SIZE); + afs_set_i_size(vnode, (b + 1) * AFS_DIR_BLOCK_SIZE); } /* Only lower dir pages have a counter in the header. */ @@ -296,7 +296,7 @@ void afs_edit_dir_add(struct afs_vnode *vnode, new_directory: afs_edit_init_block(meta, meta, 0); i_size = AFS_DIR_BLOCK_SIZE; - i_size_write(&vnode->vfs_inode, i_size); + afs_set_i_size(vnode, i_size); slot = AFS_DIR_RESV_BLOCKS0; page = page0; block = meta; diff --git a/fs/afs/dir_silly.c b/fs/afs/dir_silly.c index dae9a57d7ec0..45cfd50a9521 100644 --- a/fs/afs/dir_silly.c +++ b/fs/afs/dir_silly.c @@ -86,8 +86,8 @@ static int afs_do_silly_rename(struct afs_vnode *dvnode, struct afs_vnode *vnode return afs_do_sync_operation(op); } -/** - * afs_sillyrename - Perform a silly-rename of a dentry +/* + * Perform silly-rename of a dentry. * * AFS is stateless and the server doesn't know when the client is holding a * file open. To prevent application problems when a file is unlinked while diff --git a/fs/afs/file.c b/fs/afs/file.c index db035ae2a134..e6c447ae91f3 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -24,12 +24,16 @@ static void afs_invalidatepage(struct page *page, unsigned int offset, static int afs_releasepage(struct page *page, gfp_t gfp_flags); static void afs_readahead(struct readahead_control *ractl); +static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter); +static void afs_vm_open(struct vm_area_struct *area); +static void afs_vm_close(struct vm_area_struct *area); +static vm_fault_t afs_vm_map_pages(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff); const struct file_operations afs_file_operations = { .open = afs_open, .release = afs_release, .llseek = generic_file_llseek, - .read_iter = generic_file_read_iter, + .read_iter = afs_file_read_iter, .write_iter = afs_file_write, .mmap = afs_file_mmap, .splice_read = generic_file_splice_read, @@ -59,8 +63,10 @@ const struct address_space_operations afs_fs_aops = { }; static const struct vm_operations_struct afs_vm_ops = { + .open = afs_vm_open, + .close = afs_vm_close, .fault = filemap_fault, - .map_pages = filemap_map_pages, + .map_pages = afs_vm_map_pages, .page_mkwrite = afs_page_mkwrite, }; @@ -295,7 +301,7 @@ static void afs_req_issue_op(struct netfs_read_subrequest *subreq) fsreq->subreq = subreq; fsreq->pos = subreq->start + subreq->transferred; fsreq->len = subreq->len - subreq->transferred; - fsreq->key = subreq->rreq->netfs_priv; + fsreq->key = key_get(subreq->rreq->netfs_priv); fsreq->vnode = vnode; fsreq->iter = &fsreq->def_iter; @@ -304,6 +310,7 @@ static void afs_req_issue_op(struct netfs_read_subrequest *subreq) fsreq->pos, fsreq->len); afs_fetch_data(fsreq->vnode, fsreq); + afs_put_read(fsreq); } static int afs_symlink_readpage(struct page *page) @@ -490,15 +497,88 @@ static int afs_releasepage(struct page *page, gfp_t gfp_flags) return 1; } +static void afs_add_open_mmap(struct afs_vnode *vnode) +{ + if (atomic_inc_return(&vnode->cb_nr_mmap) == 1) { + down_write(&vnode->volume->cell->fs_open_mmaps_lock); + + list_add_tail(&vnode->cb_mmap_link, + &vnode->volume->cell->fs_open_mmaps); + + up_write(&vnode->volume->cell->fs_open_mmaps_lock); + } +} + +static void afs_drop_open_mmap(struct afs_vnode *vnode) +{ + if (!atomic_dec_and_test(&vnode->cb_nr_mmap)) + return; + + down_write(&vnode->volume->cell->fs_open_mmaps_lock); + + if (atomic_read(&vnode->cb_nr_mmap) == 0) + list_del_init(&vnode->cb_mmap_link); + + up_write(&vnode->volume->cell->fs_open_mmaps_lock); + flush_work(&vnode->cb_work); +} + /* * Handle setting up a memory mapping on an AFS file. */ static int afs_file_mmap(struct file *file, struct vm_area_struct *vma) { + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); int ret; + afs_add_open_mmap(vnode); + ret = generic_file_mmap(file, vma); if (ret == 0) vma->vm_ops = &afs_vm_ops; + else + afs_drop_open_mmap(vnode); return ret; } + +static void afs_vm_open(struct vm_area_struct *vma) +{ + afs_add_open_mmap(AFS_FS_I(file_inode(vma->vm_file))); +} + +static void afs_vm_close(struct vm_area_struct *vma) +{ + afs_drop_open_mmap(AFS_FS_I(file_inode(vma->vm_file))); +} + +static vm_fault_t afs_vm_map_pages(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff) +{ + struct afs_vnode *vnode = AFS_FS_I(file_inode(vmf->vma->vm_file)); + struct afs_file *af = vmf->vma->vm_file->private_data; + + switch (afs_validate(vnode, af->key)) { + case 0: + return filemap_map_pages(vmf, start_pgoff, end_pgoff); + case -ENOMEM: + return VM_FAULT_OOM; + case -EINTR: + case -ERESTARTSYS: + return VM_FAULT_RETRY; + case -ESTALE: + default: + return VM_FAULT_SIGBUS; + } +} + +static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter) +{ + struct afs_vnode *vnode = AFS_FS_I(file_inode(iocb->ki_filp)); + struct afs_file *af = iocb->ki_filp->private_data; + int ret; + + ret = afs_validate(vnode, af->key); + if (ret < 0) + return ret; + + return generic_file_read_iter(iocb, iter); +} diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c index e7e98ad63a91..c0031a3ab42f 100644 --- a/fs/afs/fs_probe.c +++ b/fs/afs/fs_probe.c @@ -9,6 +9,7 @@ #include <linux/slab.h> #include "afs_fs.h" #include "internal.h" +#include "protocol_afs.h" #include "protocol_yfs.h" static unsigned int afs_fs_probe_fast_poll_interval = 30 * HZ; @@ -102,7 +103,7 @@ void afs_fileserver_probe_result(struct afs_call *call) struct afs_addr_list *alist = call->alist; struct afs_server *server = call->server; unsigned int index = call->addr_ix; - unsigned int rtt_us = 0; + unsigned int rtt_us = 0, cap0; int ret = call->error; _enter("%pU,%u", &server->uuid, index); @@ -159,6 +160,11 @@ responded: clear_bit(AFS_SERVER_FL_IS_YFS, &server->flags); alist->addrs[index].srx_service = call->service_id; } + cap0 = ntohl(call->tmp); + if (cap0 & AFS3_VICED_CAPABILITY_64BITFILES) + set_bit(AFS_SERVER_FL_HAS_FS64, &server->flags); + else + clear_bit(AFS_SERVER_FL_HAS_FS64, &server->flags); } if (rxrpc_kernel_get_srtt(call->net->socket, call->rxcall, &rtt_us) && diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index dd3f45d906d2..4943413d9c5f 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -456,9 +456,7 @@ void afs_fs_fetch_data(struct afs_operation *op) struct afs_read *req = op->fetch.req; __be32 *bp; - if (upper_32_bits(req->pos) || - upper_32_bits(req->len) || - upper_32_bits(req->pos + req->len)) + if (test_bit(AFS_SERVER_FL_HAS_FS64, &op->server->flags)) return afs_fs_fetch_data64(op); _enter(""); @@ -1113,9 +1111,7 @@ void afs_fs_store_data(struct afs_operation *op) (unsigned long long)op->store.pos, (unsigned long long)op->store.i_size); - if (upper_32_bits(op->store.pos) || - upper_32_bits(op->store.size) || - upper_32_bits(op->store.i_size)) + if (test_bit(AFS_SERVER_FL_HAS_FS64, &op->server->flags)) return afs_fs_store_data64(op); call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData, @@ -1229,7 +1225,7 @@ static void afs_fs_setattr_size(struct afs_operation *op) key_serial(op->key), vp->fid.vid, vp->fid.vnode); ASSERT(attr->ia_valid & ATTR_SIZE); - if (upper_32_bits(attr->ia_size)) + if (test_bit(AFS_SERVER_FL_HAS_FS64, &op->server->flags)) return afs_fs_setattr_size64(op); call = afs_alloc_flat_call(op->net, &afs_RXFSStoreData_as_Status, @@ -1657,20 +1653,33 @@ static int afs_deliver_fs_get_capabilities(struct afs_call *call) return ret; count = ntohl(call->tmp); - call->count = count; call->count2 = count; - afs_extract_discard(call, count * sizeof(__be32)); + if (count == 0) { + call->unmarshall = 4; + call->tmp = 0; + break; + } + + /* Extract the first word of the capabilities to call->tmp */ + afs_extract_to_tmp(call); call->unmarshall++; fallthrough; - /* Extract capabilities words */ case 2: ret = afs_extract_data(call, false); if (ret < 0) return ret; - /* TODO: Examine capabilities */ + afs_extract_discard(call, (count - 1) * sizeof(__be32)); + call->unmarshall++; + fallthrough; + + /* Extract remaining capabilities words */ + case 3: + ret = afs_extract_data(call, false); + if (ret < 0) + return ret; call->unmarshall++; break; diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 80b6c8d967d5..8fcffea2daf5 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -54,16 +54,6 @@ static noinline void dump_vnode(struct afs_vnode *vnode, struct afs_vnode *paren } /* - * Set the file size and block count. Estimate the number of 512 bytes blocks - * used, rounded up to nearest 1K for consistency with other AFS clients. - */ -static void afs_set_i_size(struct afs_vnode *vnode, u64 size) -{ - i_size_write(&vnode->vfs_inode, size); - vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1; -} - -/* * Initialise an inode from the vnode status. */ static int afs_inode_init_from_status(struct afs_operation *op, @@ -587,22 +577,32 @@ static void afs_zap_data(struct afs_vnode *vnode) } /* - * Get the server reinit counter for a vnode's current server. + * Check to see if we have a server currently serving this volume and that it + * hasn't been reinitialised or dropped from the list. */ -static bool afs_get_s_break_rcu(struct afs_vnode *vnode, unsigned int *_s_break) +static bool afs_check_server_good(struct afs_vnode *vnode) { - struct afs_server_list *slist = rcu_dereference(vnode->volume->servers); + struct afs_server_list *slist; struct afs_server *server; + bool good; int i; + if (vnode->cb_fs_s_break == atomic_read(&vnode->volume->cell->fs_s_break)) + return true; + + rcu_read_lock(); + + slist = rcu_dereference(vnode->volume->servers); for (i = 0; i < slist->nr_servers; i++) { server = slist->servers[i].server; if (server == vnode->cb_server) { - *_s_break = READ_ONCE(server->cb_s_break); - return true; + good = (vnode->cb_s_break == server->cb_s_break); + rcu_read_unlock(); + return good; } } + rcu_read_unlock(); return false; } @@ -611,57 +611,46 @@ static bool afs_get_s_break_rcu(struct afs_vnode *vnode, unsigned int *_s_break) */ bool afs_check_validity(struct afs_vnode *vnode) { - struct afs_volume *volume = vnode->volume; enum afs_cb_break_reason need_clear = afs_cb_break_no_break; time64_t now = ktime_get_real_seconds(); - bool valid; - unsigned int cb_break, cb_s_break, cb_v_break; + unsigned int cb_break; int seq = 0; do { read_seqbegin_or_lock(&vnode->cb_lock, &seq); - cb_v_break = READ_ONCE(volume->cb_v_break); cb_break = vnode->cb_break; - if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags) && - afs_get_s_break_rcu(vnode, &cb_s_break)) { - if (vnode->cb_s_break != cb_s_break || - vnode->cb_v_break != cb_v_break) { - vnode->cb_s_break = cb_s_break; - vnode->cb_v_break = cb_v_break; - need_clear = afs_cb_break_for_vsbreak; - valid = false; - } else if (test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) { + if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) { + if (vnode->cb_v_break != vnode->volume->cb_v_break) + need_clear = afs_cb_break_for_v_break; + else if (!afs_check_server_good(vnode)) + need_clear = afs_cb_break_for_s_reinit; + else if (test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) need_clear = afs_cb_break_for_zap; - valid = false; - } else if (vnode->cb_expires_at - 10 <= now) { + else if (vnode->cb_expires_at - 10 <= now) need_clear = afs_cb_break_for_lapsed; - valid = false; - } else { - valid = true; - } } else if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) { - valid = true; + ; } else { - vnode->cb_v_break = cb_v_break; - valid = false; + need_clear = afs_cb_break_no_promise; } } while (need_seqretry(&vnode->cb_lock, seq)); done_seqretry(&vnode->cb_lock, seq); - if (need_clear != afs_cb_break_no_break) { - write_seqlock(&vnode->cb_lock); - if (cb_break == vnode->cb_break) - __afs_break_callback(vnode, need_clear); - else - trace_afs_cb_miss(&vnode->fid, need_clear); - write_sequnlock(&vnode->cb_lock); - valid = false; - } + if (need_clear == afs_cb_break_no_break) + return true; - return valid; + write_seqlock(&vnode->cb_lock); + if (need_clear == afs_cb_break_no_promise) + vnode->cb_v_break = vnode->volume->cb_v_break; + else if (cb_break == vnode->cb_break) + __afs_break_callback(vnode, need_clear); + else + trace_afs_cb_miss(&vnode->fid, need_clear); + write_sequnlock(&vnode->cb_lock); + return false; } /* @@ -675,21 +664,20 @@ bool afs_check_validity(struct afs_vnode *vnode) */ int afs_validate(struct afs_vnode *vnode, struct key *key) { - bool valid; int ret; _enter("{v={%llx:%llu} fl=%lx},%x", vnode->fid.vid, vnode->fid.vnode, vnode->flags, key_serial(key)); - rcu_read_lock(); - valid = afs_check_validity(vnode); - rcu_read_unlock(); - - if (test_bit(AFS_VNODE_DELETED, &vnode->flags)) - clear_nlink(&vnode->vfs_inode); + if (unlikely(test_bit(AFS_VNODE_DELETED, &vnode->flags))) { + if (vnode->vfs_inode.i_nlink) + clear_nlink(&vnode->vfs_inode); + goto valid; + } - if (valid) + if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags) && + afs_check_validity(vnode)) goto valid; down_write(&vnode->validate_lock); diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 5ed416f4ff33..0ad97a8fc0d4 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -390,6 +390,9 @@ struct afs_cell { /* Active fileserver interaction state. */ struct rb_root fs_servers; /* afs_server (by server UUID) */ seqlock_t fs_lock; /* For fs_servers */ + struct rw_semaphore fs_open_mmaps_lock; + struct list_head fs_open_mmaps; /* List of vnodes that are mmapped */ + atomic_t fs_s_break; /* Counter of CB.InitCallBackState messages */ /* VL server list. */ rwlock_t vl_servers_lock; /* Lock on vl_servers */ @@ -503,6 +506,7 @@ struct afs_server { struct hlist_node addr4_link; /* Link in net->fs_addresses4 */ struct hlist_node addr6_link; /* Link in net->fs_addresses6 */ struct hlist_node proc_link; /* Link in net->fs_proc */ + struct work_struct initcb_work; /* Work for CB.InitCallBackState* */ struct afs_server *gc_next; /* Next server in manager's list */ time64_t unuse_time; /* Time at which last unused */ unsigned long flags; @@ -516,6 +520,7 @@ struct afs_server { #define AFS_SERVER_FL_IS_YFS 16 /* Server is YFS not AFS */ #define AFS_SERVER_FL_NO_IBULK 17 /* Fileserver doesn't support FS.InlineBulkStatus */ #define AFS_SERVER_FL_NO_RM2 18 /* Fileserver doesn't support YFS.RemoveFile2 */ +#define AFS_SERVER_FL_HAS_FS64 19 /* Fileserver supports FS.{Fetch,Store}Data64 */ atomic_t ref; /* Object refcount */ atomic_t active; /* Active user count */ u32 addr_version; /* Address list version */ @@ -657,7 +662,11 @@ struct afs_vnode { afs_lock_type_t lock_type : 8; /* outstanding callback notification on this file */ + struct work_struct cb_work; /* Work for mmap'd files */ + struct list_head cb_mmap_link; /* Link in cell->fs_open_mmaps */ void *cb_server; /* Server with callback/filelock */ + atomic_t cb_nr_mmap; /* Number of mmaps */ + unsigned int cb_fs_s_break; /* Mass server break counter (cell->fs_s_break) */ unsigned int cb_s_break; /* Mass break counter on ->server */ unsigned int cb_v_break; /* Mass break counter on ->volume */ unsigned int cb_break; /* Break counter on vnode */ @@ -965,6 +974,8 @@ extern struct fscache_cookie_def afs_vnode_cache_index_def; /* * callback.c */ +extern void afs_invalidate_mmap_work(struct work_struct *); +extern void afs_server_init_callback_work(struct work_struct *work); extern void afs_init_callback_state(struct afs_server *); extern void __afs_break_callback(struct afs_vnode *, enum afs_cb_break_reason); extern void afs_break_callback(struct afs_vnode *, enum afs_cb_break_reason); @@ -1586,6 +1597,16 @@ static inline void afs_update_dentry_version(struct afs_operation *op, } /* + * Set the file size and block count. Estimate the number of 512 bytes blocks + * used, rounded up to nearest 1K for consistency with other AFS clients. + */ +static inline void afs_set_i_size(struct afs_vnode *vnode, u64 size) +{ + i_size_write(&vnode->vfs_inode, size); + vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1; +} + +/* * Check for a conflicting operation on a directory that we just unlinked from. * If someone managed to sneak a link or an unlink in on the file we just * unlinked, we won't be able to trust nlink on an AFS file (but not YFS). diff --git a/fs/afs/protocol_afs.h b/fs/afs/protocol_afs.h new file mode 100644 index 000000000000..0c39358c8b70 --- /dev/null +++ b/fs/afs/protocol_afs.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* AFS protocol bits + * + * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + */ + + +#define AFSCAPABILITIESMAX 196 /* Maximum number of words in a capability set */ + +/* AFS3 Fileserver capabilities word 0 */ +#define AFS3_VICED_CAPABILITY_ERRORTRANS 0x0001 /* Uses UAE errors */ +#define AFS3_VICED_CAPABILITY_64BITFILES 0x0002 /* FetchData64 & StoreData64 supported */ +#define AFS3_VICED_CAPABILITY_WRITELOCKACL 0x0004 /* Can lock a file even without lock perm */ +#define AFS3_VICED_CAPABILITY_SANEACLS 0x0008 /* ACLs reviewed for sanity - don't use */ diff --git a/fs/afs/protocol_yfs.h b/fs/afs/protocol_yfs.h index b5bd03b1d3c7..e4cd89c44c46 100644 --- a/fs/afs/protocol_yfs.h +++ b/fs/afs/protocol_yfs.h @@ -168,3 +168,9 @@ enum yfs_lock_type { yfs_LockMandatoryWrite = 0x101, yfs_LockMandatoryExtend = 0x102, }; + +/* RXYFS Viced Capability Flags */ +#define YFS_VICED_CAPABILITY_ERRORTRANS 0x0001 /* Deprecated v0.195 */ +#define YFS_VICED_CAPABILITY_64BITFILES 0x0002 /* Deprecated v0.195 */ +#define YFS_VICED_CAPABILITY_WRITELOCKACL 0x0004 /* Can lock a file even without lock perm */ +#define YFS_VICED_CAPABILITY_SANEACLS 0x0008 /* Deprecated v0.195 */ diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c index d83f13c44b92..79e1a5f6701b 100644 --- a/fs/afs/rotate.c +++ b/fs/afs/rotate.c @@ -374,6 +374,7 @@ selected_server: if (vnode->cb_server != server) { vnode->cb_server = server; vnode->cb_s_break = server->cb_s_break; + vnode->cb_fs_s_break = atomic_read(&server->cell->fs_s_break); vnode->cb_v_break = vnode->volume->cb_v_break; clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags); } diff --git a/fs/afs/server.c b/fs/afs/server.c index 684a2b02b9ff..6e5b9a19b234 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -235,6 +235,7 @@ static struct afs_server *afs_alloc_server(struct afs_cell *cell, server->addr_version = alist->version; server->uuid = *uuid; rwlock_init(&server->fs_lock); + INIT_WORK(&server->initcb_work, afs_server_init_callback_work); init_waitqueue_head(&server->probe_wq); INIT_LIST_HEAD(&server->probe_link); spin_lock_init(&server->probe_lock); @@ -467,6 +468,7 @@ static void afs_destroy_server(struct afs_net *net, struct afs_server *server) if (test_bit(AFS_SERVER_FL_MAY_HAVE_CB, &server->flags)) afs_give_up_callbacks(net, server); + flush_work(&server->initcb_work); afs_put_server(net, server, afs_server_trace_destroy); } diff --git a/fs/afs/super.c b/fs/afs/super.c index e38bb1e7a4d2..d110def8aa8e 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -698,6 +698,7 @@ static struct inode *afs_alloc_inode(struct super_block *sb) vnode->lock_state = AFS_VNODE_LOCK_NONE; init_rwsem(&vnode->rmdir_lock); + INIT_WORK(&vnode->cb_work, afs_invalidate_mmap_work); _leave(" = %p", &vnode->vfs_inode); return &vnode->vfs_inode; diff --git a/fs/afs/write.c b/fs/afs/write.c index c0534697268e..f24370f5c774 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -137,7 +137,7 @@ int afs_write_end(struct file *file, struct address_space *mapping, write_seqlock(&vnode->cb_lock); i_size = i_size_read(&vnode->vfs_inode); if (maybe_i_size > i_size) - i_size_write(&vnode->vfs_inode, maybe_i_size); + afs_set_i_size(vnode, maybe_i_size); write_sequnlock(&vnode->cb_lock); } @@ -471,13 +471,18 @@ static void afs_extend_writeback(struct address_space *mapping, } /* Has the page moved or been split? */ - if (unlikely(page != xas_reload(&xas))) + if (unlikely(page != xas_reload(&xas))) { + put_page(page); break; + } - if (!trylock_page(page)) + if (!trylock_page(page)) { + put_page(page); break; + } if (!PageDirty(page) || PageWriteback(page)) { unlock_page(page); + put_page(page); break; } @@ -487,6 +492,7 @@ static void afs_extend_writeback(struct address_space *mapping, t = afs_page_dirty_to(page, priv); if (f != 0 && !new_content) { unlock_page(page); + put_page(page); break; } @@ -801,6 +807,7 @@ int afs_writepages(struct address_space *mapping, ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from) { struct afs_vnode *vnode = AFS_FS_I(file_inode(iocb->ki_filp)); + struct afs_file *af = iocb->ki_filp->private_data; ssize_t result; size_t count = iov_iter_count(from); @@ -816,6 +823,10 @@ ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from) if (!count) return 0; + result = afs_validate(vnode, af->key); + if (result < 0) + return result; + result = generic_file_write_iter(iocb, from); _leave(" = %zd", result); @@ -829,13 +840,18 @@ ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from) */ int afs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { - struct inode *inode = file_inode(file); - struct afs_vnode *vnode = AFS_FS_I(inode); + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); + struct afs_file *af = file->private_data; + int ret; _enter("{%llx:%llu},{n=%pD},%d", vnode->fid.vid, vnode->fid.vnode, file, datasync); + ret = afs_validate(vnode, af->key); + if (ret < 0) + return ret; + return file_write_and_wait_range(file, start, end); } @@ -849,11 +865,14 @@ vm_fault_t afs_page_mkwrite(struct vm_fault *vmf) struct file *file = vmf->vma->vm_file; struct inode *inode = file_inode(file); struct afs_vnode *vnode = AFS_FS_I(inode); + struct afs_file *af = file->private_data; unsigned long priv; vm_fault_t ret = VM_FAULT_RETRY; _enter("{{%llx:%llu}},{%lx}", vnode->fid.vid, vnode->fid.vnode, page->index); + afs_validate(vnode, af->key); + sb_start_pagefault(inode->i_sb); /* Wait for the page to be written to the cache before we allow it to @@ -955,8 +974,7 @@ int afs_launder_page(struct page *page) iov_iter_bvec(&iter, WRITE, bv, 1, bv[0].bv_len); trace_afs_page_dirty(vnode, tracepoint_string("launder"), page); - ret = afs_store_data(vnode, &iter, (loff_t)page->index * PAGE_SIZE, - true); + ret = afs_store_data(vnode, &iter, page_offset(page) + f, true); } trace_afs_page_dirty(vnode, tracepoint_string("laundered"), page); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 69d900a8473d..a813b70f594e 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -630,7 +630,7 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, vaddr = eppnt->p_vaddr; if (interp_elf_ex->e_type == ET_EXEC || load_addr_set) - elf_type |= MAP_FIXED_NOREPLACE; + elf_type |= MAP_FIXED; else if (no_base && interp_elf_ex->e_type == ET_DYN) load_addr = -vaddr; diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 2673c6ba7a4e..0b9401a5afd3 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -665,7 +665,18 @@ blk_status_t btrfs_csum_one_bio(struct btrfs_inode *inode, struct bio *bio, if (!ordered) { ordered = btrfs_lookup_ordered_extent(inode, offset); - BUG_ON(!ordered); /* Logic error */ + /* + * The bio range is not covered by any ordered extent, + * must be a code logic error. + */ + if (unlikely(!ordered)) { + WARN(1, KERN_WARNING + "no ordered extent for root %llu ino %llu offset %llu\n", + inode->root->root_key.objectid, + btrfs_ino(inode), offset); + kvfree(sums); + return BLK_STS_IOERR; + } } nr_sectors = BTRFS_BYTES_TO_BLKS(fs_info, diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 5ada02e0e629..aa5be0b24987 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -414,9 +414,10 @@ static void __btrfs_dump_space_info(struct btrfs_fs_info *fs_info, { lockdep_assert_held(&info->lock); - btrfs_info(fs_info, "space_info %llu has %llu free, is %sfull", + /* The free space could be negative in case of overcommit */ + btrfs_info(fs_info, "space_info %llu has %lld free, is %sfull", info->flags, - info->total_bytes - btrfs_space_info_used(info, true), + (s64)(info->total_bytes - btrfs_space_info_used(info, true)), info->full ? "" : "not "); btrfs_info(fs_info, "space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu zone_unusable=%llu", diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c index 28d443d3ef93..4968535dfff0 100644 --- a/fs/btrfs/verity.c +++ b/fs/btrfs/verity.c @@ -451,7 +451,7 @@ static int del_orphan(struct btrfs_trans_handle *trans, struct btrfs_inode *inod */ static int rollback_verity(struct btrfs_inode *inode) { - struct btrfs_trans_handle *trans; + struct btrfs_trans_handle *trans = NULL; struct btrfs_root *root = inode->root; int ret; @@ -473,6 +473,7 @@ static int rollback_verity(struct btrfs_inode *inode) trans = btrfs_start_transaction(root, 2); if (IS_ERR(trans)) { ret = PTR_ERR(trans); + trans = NULL; btrfs_handle_fs_error(root->fs_info, ret, "failed to start transaction in verity rollback %llu", (u64)inode->vfs_inode.i_ino); @@ -490,8 +491,9 @@ static int rollback_verity(struct btrfs_inode *inode) btrfs_abort_transaction(trans, ret); goto out; } - btrfs_end_transaction(trans); out: + if (trans) + btrfs_end_transaction(trans); return ret; } diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 464485aa7318..2ec3b8ac8fa3 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1137,6 +1137,19 @@ static void btrfs_close_one_device(struct btrfs_device *device) atomic_set(&device->dev_stats_ccnt, 0); extent_io_tree_release(&device->alloc_state); + /* + * Reset the flush error record. We might have a transient flush error + * in this mount, and if so we aborted the current transaction and set + * the fs to an error state, guaranteeing no super blocks can be further + * committed. However that error might be transient and if we unmount the + * filesystem and mount it again, we should allow the mount to succeed + * (btrfs_check_rw_degradable() should not fail) - if after mounting the + * filesystem again we still get flush errors, then we will again abort + * any transaction and set the error state, guaranteeing no commits of + * unsafe super blocks. + */ + device->last_flush_error = 0; + /* Verify the device is back in a pristine state */ ASSERT(!test_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state)); ASSERT(!test_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state)); diff --git a/fs/buffer.c b/fs/buffer.c index ab7573d72dd7..c615387aedca 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1425,12 +1425,16 @@ void invalidate_bh_lrus(void) } EXPORT_SYMBOL_GPL(invalidate_bh_lrus); -void invalidate_bh_lrus_cpu(int cpu) +/* + * It's called from workqueue context so we need a bh_lru_lock to close + * the race with preemption/irq. + */ +void invalidate_bh_lrus_cpu(void) { struct bh_lru *b; bh_lru_lock(); - b = per_cpu_ptr(&bh_lrus, cpu); + b = this_cpu_ptr(&bh_lrus); __invalidate_bh_lrus(b); bh_lru_unlock(); } diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 6c0e52fd0743..3e42d0466521 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2263,7 +2263,7 @@ retry: list_for_each_entry(req, &ci->i_unsafe_dirops, r_unsafe_dir_item) { s = req->r_session; - if (unlikely(s->s_mds > max)) { + if (unlikely(s->s_mds >= max)) { spin_unlock(&ci->i_unsafe_lock); goto retry; } @@ -2277,7 +2277,7 @@ retry: list_for_each_entry(req, &ci->i_unsafe_iops, r_unsafe_target_item) { s = req->r_session; - if (unlikely(s->s_mds > max)) { + if (unlikely(s->s_mds >= max)) { spin_unlock(&ci->i_unsafe_lock); goto retry; } diff --git a/fs/cifs/cache.c b/fs/cifs/cache.c index 8a3b30ec860c..8be57aaedab6 100644 --- a/fs/cifs/cache.c +++ b/fs/cifs/cache.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cache.c - CIFS filesystem cache index structure definitions + * CIFS filesystem cache index structure definitions * * Copyright (c) 2010 Novell, Inc. * Authors(s): Suresh Jayaraman (sjayaraman@suse.de> diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 51a824fc926a..de2c12bcfa4b 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * fs/cifs_debug.c * * Copyright (C) International Business Machines Corp., 2000,2005 * diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h index 4fd788586399..f97407520ea1 100644 --- a/fs/cifs/cifs_fs_sb.h +++ b/fs/cifs/cifs_fs_sb.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifs_fs_sb.h * * Copyright (c) International Business Machines Corp., 2002,2004 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifs_ioctl.h b/fs/cifs/cifs_ioctl.h index ef723be358af..b87cbbe6d2d4 100644 --- a/fs/cifs/cifs_ioctl.h +++ b/fs/cifs/cifs_ioctl.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifs_ioctl.h * * Structure definitions for io control for cifs/smb3 * diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c index 8fa26a8530f8..353bd0dd7026 100644 --- a/fs/cifs/cifs_spnego.c +++ b/fs/cifs/cifs_spnego.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cifs_spnego.c -- SPNEGO upcall management for CIFS + * SPNEGO upcall management for CIFS * * Copyright (c) 2007 Red Hat, Inc. * Author(s): Jeff Layton (jlayton@redhat.com) diff --git a/fs/cifs/cifs_spnego.h b/fs/cifs/cifs_spnego.h index 31387d0ea32e..e6a0451877d4 100644 --- a/fs/cifs/cifs_spnego.h +++ b/fs/cifs/cifs_spnego.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifs_spnego.h -- SPNEGO upcall management for CIFS + * SPNEGO upcall management for CIFS * * Copyright (c) 2007 Red Hat, Inc. * Author(s): Jeff Layton (jlayton@redhat.com) diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c index 171ad8b42107..e7582dd79179 100644 --- a/fs/cifs/cifs_unicode.c +++ b/fs/cifs/cifs_unicode.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * fs/cifs/cifs_unicode.c * * Copyright (c) International Business Machines Corp., 2000,2009 * Modified by Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index 388eb536cff1..ee3aab3dd4ac 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cifsacl.c * * Copyright (C) International Business Machines Corp., 2007,2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsacl.h b/fs/cifs/cifsacl.h index f8292bcf8594..ccbfc754bd3c 100644 --- a/fs/cifs/cifsacl.h +++ b/fs/cifs/cifsacl.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifsacl.h * * Copyright (c) International Business Machines Corp., 2007 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 2e6f40344037..d118282071b3 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cifsencrypt.c * * Encryption and hashing operations relating to NTLM, NTLMv2. See MS-NLMP * for more detailed information diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8c20bfa187ac..9fa930dfd78d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cifsfs.c * * Copyright (C) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index d25a4099b32e..b50da1901ebd 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifsfs.h * * Copyright (c) International Business Machines Corp., 2002, 2007 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index c068f7d8d879..e916470468ea 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifsglob.h * * Copyright (C) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) @@ -1400,6 +1399,7 @@ struct cifsInodeInfo { #define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */ #define CIFS_INO_LOCK (5) /* lock bit for synchronization */ #define CIFS_INO_MODIFIED_ATTR (6) /* Indicate change in mtime/ctime */ +#define CIFS_INO_CLOSE_ON_LOCK (7) /* Not to defer the close when lock is set */ unsigned long flags; spinlock_t writers_lock; unsigned int writers; /* Number of writers on this inode */ diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index 98e8e5aa0613..d2ff438fd31f 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifspdu.h * * Copyright (c) International Business Machines Corp., 2002,2009 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index f9740c21ca3d..d0f85b666662 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/cifsproto.h * * Copyright (c) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) @@ -268,6 +267,9 @@ extern void cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode); extern void cifs_close_all_deferred_files(struct cifs_tcon *cifs_tcon); +extern void cifs_close_deferred_file_under_dentry(struct cifs_tcon *cifs_tcon, + const char *path); + extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb3_fs_context *ctx); extern void cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a8e41c1e80ca..243d17696f06 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/cifssmb.c * * Copyright (C) International Business Machines Corp., 2002,2010 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 0db344807ef1..c3b94c1e4591 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/connect.c * * Copyright (C) International Business Machines Corp., 2002,2011 * Author(s): Steve French (sfrench@us.ibm.com) @@ -1090,7 +1089,7 @@ next_pdu: module_put_and_exit(0); } -/** +/* * Returns true if srcaddr isn't specified and rhs isn't specified, or * if srcaddr is specified and matches the IP address of the rhs argument */ @@ -1550,6 +1549,9 @@ static int match_session(struct cifs_ses *ses, struct smb3_fs_context *ctx) /** * cifs_setup_ipc - helper to setup the IPC tcon for the session + * @ses: smb session to issue the request on + * @ctx: the superblock configuration context to use for building the + * new tree connection for the IPC (interprocess communication RPC) * * A new IPC connection is made and stored in the session * tcon_ipc. The IPC tcon has the same lifetime as the session. @@ -1605,6 +1607,7 @@ out: /** * cifs_free_ipc - helper to release the session IPC tcon + * @ses: smb session to unmount the IPC from * * Needs to be called everytime a session is destroyed. * @@ -1855,6 +1858,8 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx __attribute__((unused)), /** * cifs_get_smb_ses - get a session matching @ctx data from @server + * @server: server to setup the session to + * @ctx: superblock configuration context to use to setup the session * * This function assumes it is being called from cifs_mount() where we * already got a server reference (server refcount +1). See @@ -2065,6 +2070,8 @@ cifs_put_tcon(struct cifs_tcon *tcon) /** * cifs_get_tcon - get a tcon matching @ctx data from @ses + * @ses: smb session to issue the request on + * @ctx: the superblock configuration context to use for building the * * - tcon refcount is the number of mount points using the tcon. * - ses refcount is the number of tcon using the session. @@ -2382,9 +2389,10 @@ cifs_match_super(struct super_block *sb, void *data) spin_lock(&cifs_tcp_ses_lock); cifs_sb = CIFS_SB(sb); tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb)); - if (IS_ERR(tlink)) { + if (tlink == NULL) { + /* can not match superblock if tlink were ever null */ spin_unlock(&cifs_tcp_ses_lock); - return rc; + return 0; } tcon = tlink_tcon(tlink); ses = tcon->ses; @@ -3030,7 +3038,7 @@ build_unc_path_to_root(const struct smb3_fs_context *ctx, return full_path; } -/** +/* * expand_dfs_referral - Perform a dfs referral query and update the cifs_sb * * If a referral is found, cifs_sb->ctx->mount_options will be (re-)allocated diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 5f8a302ffcb2..6e8e7cc26ae2 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/dir.c * * vfs operations that deal with dentries * diff --git a/fs/cifs/dns_resolve.c b/fs/cifs/dns_resolve.c index 8c616aaeb7c4..0458d28d71aa 100644 --- a/fs/cifs/dns_resolve.c +++ b/fs/cifs/dns_resolve.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/dns_resolve.c * * Copyright (c) 2007 Igor Mammedov * Author(s): Igor Mammedov (niallain@gmail.com) diff --git a/fs/cifs/dns_resolve.h b/fs/cifs/dns_resolve.h index 9fa2807ef79e..afc0df381246 100644 --- a/fs/cifs/dns_resolve.h +++ b/fs/cifs/dns_resolve.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/dns_resolve.h -- DNS Resolver upcall management for CIFS DFS - * Handles host name to IP address resolution + * DNS Resolver upcall management for CIFS DFS + * Handles host name to IP address resolution * * Copyright (c) International Business Machines Corp., 2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/export.c b/fs/cifs/export.c index 747a540db954..37c28415df1e 100644 --- a/fs/cifs/export.c +++ b/fs/cifs/export.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/export.c * * Copyright (C) International Business Machines Corp., 2007 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/file.c b/fs/cifs/file.c index d0216472f1c6..13f3182cf796 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/file.c * * vfs operations that deal with files * @@ -883,8 +882,9 @@ int cifs_close(struct inode *inode, struct file *file) dclose = kmalloc(sizeof(struct cifs_deferred_close), GFP_KERNEL); if ((cinode->oplock == CIFS_CACHE_RHW_FLG) && cinode->lease_granted && + !test_bit(CIFS_INO_CLOSE_ON_LOCK, &cinode->flags) && dclose) { - if (test_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) { + if (test_and_clear_bit(CIFS_INO_MODIFIED_ATTR, &cinode->flags)) { inode->i_ctime = inode->i_mtime = current_time(inode); cifs_fscache_update_inode_cookie(inode); } @@ -1865,6 +1865,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock) cifs_read_flock(flock, &type, &lock, &unlock, &wait_flag, tcon->ses->server); cifs_sb = CIFS_FILE_SB(file); + set_bit(CIFS_INO_CLOSE_ON_LOCK, &CIFS_I(d_inode(cfile->dentry))->flags); if (cap_unix(tcon->ses) && (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) && @@ -3112,7 +3113,7 @@ static void collect_uncached_write_data(struct cifs_aio_ctx *ctx) struct cifs_tcon *tcon; struct cifs_sb_info *cifs_sb; struct dentry *dentry = ctx->cfile->dentry; - int rc; + ssize_t rc; tcon = tlink_tcon(ctx->cfile->tlink); cifs_sb = CIFS_SB(dentry->d_sb); diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c index fab47fa7df74..8eedd20c44ab 100644 --- a/fs/cifs/fscache.c +++ b/fs/cifs/fscache.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/fscache.c - CIFS filesystem cache interface + * CIFS filesystem cache interface * * Copyright (c) 2010 Novell, Inc. * Author(s): Suresh Jayaraman <sjayaraman@suse.de> diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h index 82e856b9cf89..9baa1d0f22bd 100644 --- a/fs/cifs/fscache.h +++ b/fs/cifs/fscache.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/fscache.h - CIFS filesystem cache interface definitions + * CIFS filesystem cache interface definitions * * Copyright (c) 2010 Novell, Inc. * Authors(s): Suresh Jayaraman (sjayaraman@suse.de> diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 50c01cff4c84..82848412ad85 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/inode.c * * Copyright (C) International Business Machines Corp., 2002,2010 * Author(s): Steve French (sfrench@us.ibm.com) @@ -1625,7 +1624,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry) goto unlink_out; } - cifs_close_deferred_file(CIFS_I(inode)); + cifs_close_deferred_file_under_dentry(tcon, full_path); if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability))) { rc = CIFSPOSIXDelFile(xid, tcon, full_path, @@ -2114,9 +2113,9 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir, goto cifs_rename_exit; } - cifs_close_deferred_file(CIFS_I(d_inode(source_dentry))); + cifs_close_deferred_file_under_dentry(tcon, from_name); if (d_inode(target_dentry) != NULL) - cifs_close_deferred_file(CIFS_I(d_inode(target_dentry))); + cifs_close_deferred_file_under_dentry(tcon, to_name); rc = cifs_do_rename(xid, source_dentry, from_name, target_dentry, to_name); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 42c6a0bac6c8..0359b604bdbc 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/ioctl.c * * vfs operations that deal with io control * @@ -359,7 +358,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) if (pSMBFile == NULL) break; tcon = tlink_tcon(pSMBFile->tlink); - caps = le64_to_cpu(tcon->fsUnixInfo.Capability); + /* caps = le64_to_cpu(tcon->fsUnixInfo.Capability); */ if (get_user(ExtAttrBits, (int __user *)arg)) { rc = -EFAULT; diff --git a/fs/cifs/link.c b/fs/cifs/link.c index f0a6d63bc08c..852e54ee82c2 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/link.c * * Copyright (C) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index 9469f1cf0b46..bb1185fff8cc 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/misc.c * * Copyright (C) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) @@ -265,7 +264,8 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ , /* Uid is not converted */ buffer->Uid = treeCon->ses->Suid; - buffer->Mid = get_next_mid(treeCon->ses->server); + if (treeCon->ses->server) + buffer->Mid = get_next_mid(treeCon->ses->server); } if (treeCon->Flags & SMB_SHARE_IS_IN_DFS) buffer->Flags2 |= SMBFLG2_DFS; @@ -591,6 +591,7 @@ void cifs_put_writer(struct cifsInodeInfo *cinode) /** * cifs_queue_oplock_break - queue the oplock break handler for cfile + * @cfile: The file to break the oplock on * * This function is called from the demultiplex thread when it * receives an oplock break for @cfile. @@ -736,7 +737,7 @@ cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode) if (cancel_delayed_work(&cfile->deferred)) { tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC); if (tmp_list == NULL) - continue; + break; tmp_list->cfile = cfile; list_add_tail(&tmp_list->list, &file_head); } @@ -767,7 +768,7 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon) if (cancel_delayed_work(&cfile->deferred)) { tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC); if (tmp_list == NULL) - continue; + break; tmp_list->cfile = cfile; list_add_tail(&tmp_list->list, &file_head); } @@ -781,6 +782,43 @@ cifs_close_all_deferred_files(struct cifs_tcon *tcon) kfree(tmp_list); } } +void +cifs_close_deferred_file_under_dentry(struct cifs_tcon *tcon, const char *path) +{ + struct cifsFileInfo *cfile; + struct list_head *tmp; + struct file_list *tmp_list, *tmp_next_list; + struct list_head file_head; + void *page; + const char *full_path; + + INIT_LIST_HEAD(&file_head); + page = alloc_dentry_path(); + spin_lock(&tcon->open_file_lock); + list_for_each(tmp, &tcon->openFileList) { + cfile = list_entry(tmp, struct cifsFileInfo, tlist); + full_path = build_path_from_dentry(cfile->dentry, page); + if (strstr(full_path, path)) { + if (delayed_work_pending(&cfile->deferred)) { + if (cancel_delayed_work(&cfile->deferred)) { + tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC); + if (tmp_list == NULL) + break; + tmp_list->cfile = cfile; + list_add_tail(&tmp_list->list, &file_head); + } + } + } + } + spin_unlock(&tcon->open_file_lock); + + list_for_each_entry_safe(tmp_list, tmp_next_list, &file_head, list) { + _cifsFileInfo_put(tmp_list->cfile, true, false); + list_del(&tmp_list->list); + kfree(tmp_list); + } + free_dentry_path(page); +} /* parses DFS refferal V3 structure * caller is responsible for freeing target_nodes @@ -1029,6 +1067,9 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw) /** * cifs_alloc_hash - allocate hash and hash context together + * @name: The name of the crypto hash algo + * @shash: Where to put the pointer to the hash algo + * @sdesc: Where to put the pointer to the hash descriptor * * The caller has to make sure @sdesc is initialized to either NULL or * a valid context. Both can be freed via cifs_free_hash(). @@ -1067,6 +1108,8 @@ cifs_alloc_hash(const char *name, /** * cifs_free_hash - free hash and hash context together + * @shash: Where to find the pointer to the hash algo + * @sdesc: Where to find the pointer to the hash descriptor * * Freeing a NULL hash or context is safe. */ @@ -1082,8 +1125,10 @@ cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc) /** * rqst_page_get_length - obtain the length and offset for a page in smb_rqst - * Input: rqst - a smb_rqst, page - a page index for rqst - * Output: *len - the length for this page, *offset - the offset for this page + * @rqst: The request descriptor + * @page: The index of the page to query + * @len: Where to store the length for this page: + * @offset: Where to store the offset for this page */ void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page, unsigned int *len, unsigned int *offset) @@ -1116,6 +1161,8 @@ void extract_unc_hostname(const char *unc, const char **h, size_t *len) /** * copy_path_name - copy src path to dst, possibly truncating + * @dst: The destination buffer + * @src: The source name * * returns number of bytes written (including trailing nul) */ diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index 0e728aac67e9..fa9fbd6a819c 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * fs/cifs/netmisc.c * * Copyright (c) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h index 378133ce8869..25a2b8ef88b9 100644 --- a/fs/cifs/ntlmssp.h +++ b/fs/cifs/ntlmssp.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/ntlmssp.h * * Copyright (c) International Business Machines Corp., 2002,2007 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 54d77c99e21c..1929e80c09ee 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/readdir.c * * Directory search handling * diff --git a/fs/cifs/rfc1002pdu.h b/fs/cifs/rfc1002pdu.h index 137f7c95afd6..ae1d025da294 100644 --- a/fs/cifs/rfc1002pdu.h +++ b/fs/cifs/rfc1002pdu.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/rfc1002pdu.h * * Protocol Data Unit definitions for RFC 1001/1002 support * diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 118403fbeda2..23e02db7923f 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/sess.c * * SMB/CIFS session setup handling routines * diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c index c9d8a50062b8..f5dcc4940b6d 100644 --- a/fs/cifs/smb2file.c +++ b/fs/cifs/smb2file.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/smb2file.c * * Copyright (C) International Business Machines Corp., 2002, 2011 * Author(s): Steve French (sfrench@us.ibm.com), diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h index d0e9f3782bd9..ca692b2283cd 100644 --- a/fs/cifs/smb2glob.h +++ b/fs/cifs/smb2glob.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/smb2glob.h * * Definitions for various global variables and structures * diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c index 957b2594f02e..8297703492ee 100644 --- a/fs/cifs/smb2inode.c +++ b/fs/cifs/smb2inode.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/smb2inode.c * * Copyright (C) International Business Machines Corp., 2002, 2011 * Etersoft, 2012 diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index 668f77108831..29b5554f6263 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/smb2misc.c * * Copyright (C) International Business Machines Corp., 2002,2011 * Etersoft, 2012 diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index b6d2e3591927..7829c590eeac 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/smb2pdu.c * * Copyright (C) International Business Machines Corp., 2009, 2013 * Etersoft, 2012 @@ -2398,7 +2397,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) buf->sd.OffsetDacl = cpu_to_le32(ptr - (__u8 *)&buf->sd); /* Ship the ACL for now. we will copy it into buf later. */ aclptr = ptr; - ptr += sizeof(struct cifs_acl); + ptr += sizeof(struct smb3_acl); /* create one ACE to hold the mode embedded in reserved special SID */ acelen = setup_special_mode_ACE((struct cifs_ace *)ptr, (__u64)mode); @@ -2423,7 +2422,7 @@ create_sd_buf(umode_t mode, bool set_owner, unsigned int *len) acl.AclRevision = ACL_REVISION; /* See 2.4.4.1 of MS-DTYP */ acl.AclSize = cpu_to_le16(acl_size); acl.AceCount = cpu_to_le16(ace_count); - memcpy(aclptr, &acl, sizeof(struct cifs_acl)); + memcpy(aclptr, &acl, sizeof(struct smb3_acl)); buf->ccontext.DataLength = cpu_to_le32(ptr - (__u8 *)&buf->sd); *len = roundup(ptr - (__u8 *)buf, 8); diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index e9cac7970b66..f32c99c9ba13 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/smb2pdu.h * * Copyright (c) International Business Machines Corp., 2009, 2013 * Etersoft, 2012 diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 263767f644f8..547945443fa7 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/smb2proto.h * * Copyright (c) International Business Machines Corp., 2002, 2011 * Etersoft, 2012 diff --git a/fs/cifs/smb2status.h b/fs/cifs/smb2status.h index 0215ef36e240..a9e958166fc5 100644 --- a/fs/cifs/smb2status.h +++ b/fs/cifs/smb2status.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/smb2status.h * * SMB2 Status code (network error) definitions * Definitions are from MS-ERREF diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 6f7952ea4941..f59b956f9d25 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/smb2transport.c * * Copyright (C) International Business Machines Corp., 2002, 2011 * Etersoft, 2012 diff --git a/fs/cifs/smberr.h b/fs/cifs/smberr.h index 60189efb3236..aeffdad829e2 100644 --- a/fs/cifs/smberr.h +++ b/fs/cifs/smberr.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1 */ /* - * fs/cifs/smberr.h * * Copyright (c) International Business Machines Corp., 2002,2004 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 75a95de320cf..b7379329b741 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/transport.c * * Copyright (C) International Business Machines Corp., 2002,2008 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/cifs/winucase.c b/fs/cifs/winucase.c index 59b6c577aa0a..2f075b5b50df 100644 --- a/fs/cifs/winucase.c +++ b/fs/cifs/winucase.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* - * fs/cifs/winucase.c * * Copyright (c) Jeffrey Layton <jlayton@redhat.com>, 2013 * diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 9ed481e79ce0..7d8b72d67c80 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/xattr.c * * Copyright (c) International Business Machines Corp., 2003, 2007 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 8129a430d789..2f117c57160d 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -528,7 +528,7 @@ void debugfs_create_file_size(const char *name, umode_t mode, { struct dentry *de = debugfs_create_file(name, mode, parent, data, fops); - if (de) + if (!IS_ERR(de)) d_inode(de)->i_size = file_size; } EXPORT_SYMBOL_GPL(debugfs_create_file_size); diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index 31ac3a73b390..a552399e211d 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -176,7 +176,7 @@ static struct page *erofs_read_inode(struct inode *inode, } if (vi->datalayout == EROFS_INODE_CHUNK_BASED) { - if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_ALL)) { + if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL) { erofs_err(inode->i_sb, "unsupported chunk format %x of nid %llu", vi->chunkformat, vi->nid); diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c index 9fb98d85a3ce..7a6df35fdc91 100644 --- a/fs/erofs/zmap.c +++ b/fs/erofs/zmap.c @@ -369,7 +369,8 @@ static int compacted_load_cluster_from_disk(struct z_erofs_maprecorder *m, if (compacted_4b_initial == 32 / 4) compacted_4b_initial = 0; - if (vi->z_advise & Z_EROFS_ADVISE_COMPACTED_2B) + if ((vi->z_advise & Z_EROFS_ADVISE_COMPACTED_2B) && + compacted_4b_initial < totalidx) compacted_2b = rounddown(totalidx - compacted_4b_initial, 16); else compacted_2b = 0; diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index 1f3f4326bf3c..c17ccc19b938 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -48,10 +48,9 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb, struct ext2_sb_info *sbi = EXT2_SB(sb); if (block_group >= sbi->s_groups_count) { - ext2_error (sb, "ext2_get_group_desc", - "block_group >= groups_count - " - "block_group = %d, groups_count = %lu", - block_group, sbi->s_groups_count); + WARN(1, "block_group >= groups_count - " + "block_group = %d, groups_count = %lu", + block_group, sbi->s_groups_count); return NULL; } @@ -59,10 +58,9 @@ struct ext2_group_desc * ext2_get_group_desc(struct super_block * sb, group_desc = block_group >> EXT2_DESC_PER_BLOCK_BITS(sb); offset = block_group & (EXT2_DESC_PER_BLOCK(sb) - 1); if (!sbi->s_group_desc[group_desc]) { - ext2_error (sb, "ext2_get_group_desc", - "Group descriptor not loaded - " - "block_group = %d, group_desc = %lu, desc = %lu", - block_group, group_desc, offset); + WARN(1, "Group descriptor not loaded - " + "block_group = %d, group_desc = %lu, desc = %lu", + block_group, group_desc, offset); return NULL; } diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index ffb295aa891c..74b172a4adda 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -551,7 +551,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) struct dir_private_info *info = file->private_data; struct inode *inode = file_inode(file); struct fname *fname; - int ret; + int ret = 0; if (!info) { info = ext4_htree_create_dir_info(file, ctx->pos); @@ -599,7 +599,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) info->curr_minor_hash, &info->next_hash); if (ret < 0) - return ret; + goto finished; if (ret == 0) { ctx->pos = ext4_get_htree_eof(file); break; @@ -630,7 +630,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx) } finished: info->last_pos = ctx->pos; - return 0; + return ret < 0 ? ret : 0; } static int ext4_release_dir(struct inode *inode, struct file *filp) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 90ff5acaf11f..3825195539d7 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3593,9 +3593,6 @@ extern int ext4_da_write_inline_data_begin(struct address_space *mapping, unsigned flags, struct page **pagep, void **fsdata); -extern int ext4_da_write_inline_data_end(struct inode *inode, loff_t pos, - unsigned len, unsigned copied, - struct page *page); extern int ext4_try_add_inline_entry(handle_t *handle, struct ext4_filename *fname, struct inode *dir, struct inode *inode); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c0de30f25185..0e02571f2f82 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5916,7 +5916,7 @@ void ext4_ext_replay_shrink_inode(struct inode *inode, ext4_lblk_t end) } /* Check if *cur is a hole and if it is, skip it */ -static void skip_hole(struct inode *inode, ext4_lblk_t *cur) +static int skip_hole(struct inode *inode, ext4_lblk_t *cur) { int ret; struct ext4_map_blocks map; @@ -5925,9 +5925,12 @@ static void skip_hole(struct inode *inode, ext4_lblk_t *cur) map.m_len = ((inode->i_size) >> inode->i_sb->s_blocksize_bits) - *cur; ret = ext4_map_blocks(NULL, inode, &map, 0); + if (ret < 0) + return ret; if (ret != 0) - return; + return 0; *cur = *cur + map.m_len; + return 0; } /* Count number of blocks used by this inode and update i_blocks */ @@ -5976,7 +5979,9 @@ int ext4_ext_replay_set_iblocks(struct inode *inode) * iblocks by total number of differences found. */ cur = 0; - skip_hole(inode, &cur); + ret = skip_hole(inode, &cur); + if (ret < 0) + goto out; path = ext4_find_extent(inode, cur, NULL, 0); if (IS_ERR(path)) goto out; @@ -5995,8 +6000,12 @@ int ext4_ext_replay_set_iblocks(struct inode *inode) } cur = max(cur + 1, le32_to_cpu(ex->ee_block) + ext4_ext_get_actual_len(ex)); - skip_hole(inode, &cur); - + ret = skip_hole(inode, &cur); + if (ret < 0) { + ext4_ext_drop_refs(path); + kfree(path); + break; + } path2 = ext4_find_extent(inode, cur, NULL, 0); if (IS_ERR(path2)) { ext4_ext_drop_refs(path); diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c index 8e610a381862..8ea5a81e6554 100644 --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -892,6 +892,12 @@ static int ext4_fc_write_inode_data(struct inode *inode, u32 *crc) sizeof(lrange), (u8 *)&lrange, crc)) return -ENOSPC; } else { + unsigned int max = (map.m_flags & EXT4_MAP_UNWRITTEN) ? + EXT_UNWRITTEN_MAX_LEN : EXT_INIT_MAX_LEN; + + /* Limit the number of blocks in one extent */ + map.m_len = min(max, map.m_len); + fc_ext.fc_ino = cpu_to_le32(inode->i_ino); ex = (struct ext4_extent *)&fc_ext.fc_ex; ex->ee_block = cpu_to_le32(map.m_lblk); diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 82bf4ff6be28..39a1ab129fdc 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -7,6 +7,7 @@ #include <linux/iomap.h> #include <linux/fiemap.h> #include <linux/iversion.h> +#include <linux/backing-dev.h> #include "ext4_jbd2.h" #include "ext4.h" @@ -733,45 +734,83 @@ convert: int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len, unsigned copied, struct page *page) { - int ret, no_expand; + handle_t *handle = ext4_journal_current_handle(); + int no_expand; void *kaddr; struct ext4_iloc iloc; + int ret = 0, ret2; + + if (unlikely(copied < len) && !PageUptodate(page)) + copied = 0; - if (unlikely(copied < len)) { - if (!PageUptodate(page)) { - copied = 0; + if (likely(copied)) { + ret = ext4_get_inode_loc(inode, &iloc); + if (ret) { + unlock_page(page); + put_page(page); + ext4_std_error(inode->i_sb, ret); goto out; } - } + ext4_write_lock_xattr(inode, &no_expand); + BUG_ON(!ext4_has_inline_data(inode)); - ret = ext4_get_inode_loc(inode, &iloc); - if (ret) { - ext4_std_error(inode->i_sb, ret); - copied = 0; - goto out; - } + /* + * ei->i_inline_off may have changed since + * ext4_write_begin() called + * ext4_try_to_write_inline_data() + */ + (void) ext4_find_inline_data_nolock(inode); - ext4_write_lock_xattr(inode, &no_expand); - BUG_ON(!ext4_has_inline_data(inode)); + kaddr = kmap_atomic(page); + ext4_write_inline_data(inode, &iloc, kaddr, pos, copied); + kunmap_atomic(kaddr); + SetPageUptodate(page); + /* clear page dirty so that writepages wouldn't work for us. */ + ClearPageDirty(page); - /* - * ei->i_inline_off may have changed since ext4_write_begin() - * called ext4_try_to_write_inline_data() - */ - (void) ext4_find_inline_data_nolock(inode); + ext4_write_unlock_xattr(inode, &no_expand); + brelse(iloc.bh); - kaddr = kmap_atomic(page); - ext4_write_inline_data(inode, &iloc, kaddr, pos, len); - kunmap_atomic(kaddr); - SetPageUptodate(page); - /* clear page dirty so that writepages wouldn't work for us. */ - ClearPageDirty(page); + /* + * It's important to update i_size while still holding page + * lock: page writeout could otherwise come in and zero + * beyond i_size. + */ + ext4_update_inode_size(inode, pos + copied); + } + unlock_page(page); + put_page(page); - ext4_write_unlock_xattr(inode, &no_expand); - brelse(iloc.bh); - mark_inode_dirty(inode); + /* + * Don't mark the inode dirty under page lock. First, it unnecessarily + * makes the holding time of page lock longer. Second, it forces lock + * ordering of page lock and transaction start for journaling + * filesystems. + */ + if (likely(copied)) + mark_inode_dirty(inode); out: - return copied; + /* + * If we didn't copy as much data as expected, we need to trim back + * size of xattr containing inline data. + */ + if (pos + len > inode->i_size && ext4_can_truncate(inode)) + ext4_orphan_add(handle, inode); + + ret2 = ext4_journal_stop(handle); + if (!ret) + ret = ret2; + if (pos + len > inode->i_size) { + ext4_truncate_failed_write(inode); + /* + * If truncate failed early the inode might still be + * on the orphan list; we need to make sure the inode + * is removed from the orphan list in that case. + */ + if (inode->i_nlink) + ext4_orphan_del(NULL, inode); + } + return ret ? ret : copied; } struct buffer_head * @@ -953,43 +992,6 @@ out: return ret; } -int ext4_da_write_inline_data_end(struct inode *inode, loff_t pos, - unsigned len, unsigned copied, - struct page *page) -{ - int ret; - - ret = ext4_write_inline_data_end(inode, pos, len, copied, page); - if (ret < 0) { - unlock_page(page); - put_page(page); - return ret; - } - copied = ret; - - /* - * No need to use i_size_read() here, the i_size - * cannot change under us because we hold i_mutex. - * - * But it's important to update i_size while still holding page lock: - * page writeout could otherwise come in and zero beyond i_size. - */ - if (pos+copied > inode->i_size) - i_size_write(inode, pos+copied); - unlock_page(page); - put_page(page); - - /* - * Don't mark the inode dirty under page lock. First, it unnecessarily - * makes the holding time of page lock longer. Second, it forces lock - * ordering of page lock and transaction start for journaling - * filesystems. - */ - mark_inode_dirty(inode); - - return copied; -} - #ifdef INLINE_DIR_DEBUG void ext4_show_inline_dir(struct inode *dir, struct buffer_head *bh, void *inline_start, int inline_size) @@ -1917,6 +1919,24 @@ int ext4_inline_data_truncate(struct inode *inode, int *has_inline) EXT4_I(inode)->i_disksize = i_size; if (i_size < inline_size) { + /* + * if there's inline data to truncate and this file was + * converted to extents after that inline data was written, + * the extent status cache must be cleared to avoid leaving + * behind stale delayed allocated extent entries + */ + if (!ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA)) { +retry: + err = ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS); + if (err == -ENOMEM) { + cond_resched(); + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry; + } + if (err) + goto out_error; + } + /* Clear the content in the xattr space. */ if (inline_size > EXT4_MIN_INLINE_DATA_SIZE) { if ((err = ext4_xattr_ibody_find(inode, &i, &is)) != 0) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index d18852d6029c..0f06305167d5 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1284,22 +1284,14 @@ static int ext4_write_end(struct file *file, loff_t old_size = inode->i_size; int ret = 0, ret2; int i_size_changed = 0; - int inline_data = ext4_has_inline_data(inode); bool verity = ext4_verity_in_progress(inode); trace_ext4_write_end(inode, pos, len, copied); - if (inline_data) { - ret = ext4_write_inline_data_end(inode, pos, len, - copied, page); - if (ret < 0) { - unlock_page(page); - put_page(page); - goto errout; - } - copied = ret; - } else - copied = block_write_end(file, mapping, pos, - len, copied, page, fsdata); + + if (ext4_has_inline_data(inode)) + return ext4_write_inline_data_end(inode, pos, len, copied, page); + + copied = block_write_end(file, mapping, pos, len, copied, page, fsdata); /* * it's important to update i_size while still holding page lock: * page writeout could otherwise come in and zero beyond i_size. @@ -1320,7 +1312,7 @@ static int ext4_write_end(struct file *file, * ordering of page lock and transaction start for journaling * filesystems. */ - if (i_size_changed || inline_data) + if (i_size_changed) ret = ext4_mark_inode_dirty(handle, inode); if (pos + len > inode->i_size && !verity && ext4_can_truncate(inode)) @@ -1329,7 +1321,7 @@ static int ext4_write_end(struct file *file, * inode->i_size. So truncate them */ ext4_orphan_add(handle, inode); -errout: + ret2 = ext4_journal_stop(handle); if (!ret) ret = ret2; @@ -1395,7 +1387,6 @@ static int ext4_journalled_write_end(struct file *file, int partial = 0; unsigned from, to; int size_changed = 0; - int inline_data = ext4_has_inline_data(inode); bool verity = ext4_verity_in_progress(inode); trace_ext4_journalled_write_end(inode, pos, len, copied); @@ -1404,16 +1395,10 @@ static int ext4_journalled_write_end(struct file *file, BUG_ON(!ext4_handle_valid(handle)); - if (inline_data) { - ret = ext4_write_inline_data_end(inode, pos, len, - copied, page); - if (ret < 0) { - unlock_page(page); - put_page(page); - goto errout; - } - copied = ret; - } else if (unlikely(copied < len) && !PageUptodate(page)) { + if (ext4_has_inline_data(inode)) + return ext4_write_inline_data_end(inode, pos, len, copied, page); + + if (unlikely(copied < len) && !PageUptodate(page)) { copied = 0; ext4_journalled_zero_new_buffers(handle, inode, page, from, to); } else { @@ -1436,7 +1421,7 @@ static int ext4_journalled_write_end(struct file *file, if (old_size < pos && !verity) pagecache_isize_extended(inode, old_size, pos); - if (size_changed || inline_data) { + if (size_changed) { ret2 = ext4_mark_inode_dirty(handle, inode); if (!ret) ret = ret2; @@ -1449,7 +1434,6 @@ static int ext4_journalled_write_end(struct file *file, */ ext4_orphan_add(handle, inode); -errout: ret2 = ext4_journal_stop(handle); if (!ret) ret = ret2; @@ -1644,6 +1628,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); int ret; bool allocated = false; + bool reserved = false; /* * If the cluster containing lblk is shared with a delayed, @@ -1660,6 +1645,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) ret = ext4_da_reserve_space(inode); if (ret != 0) /* ENOSPC */ goto errout; + reserved = true; } else { /* bigalloc */ if (!ext4_es_scan_clu(inode, &ext4_es_is_delonly, lblk)) { if (!ext4_es_scan_clu(inode, @@ -1672,6 +1658,7 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) ret = ext4_da_reserve_space(inode); if (ret != 0) /* ENOSPC */ goto errout; + reserved = true; } else { allocated = true; } @@ -1682,6 +1669,8 @@ static int ext4_insert_delayed_block(struct inode *inode, ext4_lblk_t lblk) } ret = ext4_es_insert_delayed_block(inode, lblk, allocated); + if (ret && reserved) + ext4_da_release_space(inode, 1); errout: return ret; @@ -1722,13 +1711,16 @@ static int ext4_da_map_blocks(struct inode *inode, sector_t iblock, } /* - * Delayed extent could be allocated by fallocate. - * So we need to check it. + * the buffer head associated with a delayed and not unwritten + * block found in the extent status cache must contain an + * invalid block number and have its BH_New and BH_Delay bits + * set, reflecting the state assigned when the block was + * initially delayed allocated */ - if (ext4_es_is_delayed(&es) && !ext4_es_is_unwritten(&es)) { - map_bh(bh, inode->i_sb, invalid_block); - set_buffer_new(bh); - set_buffer_delay(bh); + if (ext4_es_is_delonly(&es)) { + BUG_ON(bh->b_blocknr != invalid_block); + BUG_ON(!buffer_new(bh)); + BUG_ON(!buffer_delay(bh)); return 0; } @@ -2932,19 +2924,6 @@ static int ext4_nonda_switch(struct super_block *sb) return 0; } -/* We always reserve for an inode update; the superblock could be there too */ -static int ext4_da_write_credits(struct inode *inode, loff_t pos, unsigned len) -{ - if (likely(ext4_has_feature_large_file(inode->i_sb))) - return 1; - - if (pos + len <= 0x7fffffffULL) - return 1; - - /* We might need to update the superblock to set LARGE_FILE */ - return 2; -} - static int ext4_da_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) @@ -2953,7 +2932,6 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping, struct page *page; pgoff_t index; struct inode *inode = mapping->host; - handle_t *handle; if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) return -EIO; @@ -2979,41 +2957,11 @@ static int ext4_da_write_begin(struct file *file, struct address_space *mapping, return 0; } - /* - * grab_cache_page_write_begin() can take a long time if the - * system is thrashing due to memory pressure, or if the page - * is being written back. So grab it first before we start - * the transaction handle. This also allows us to allocate - * the page (if needed) without using GFP_NOFS. - */ -retry_grab: +retry: page = grab_cache_page_write_begin(mapping, index, flags); if (!page) return -ENOMEM; - unlock_page(page); - /* - * With delayed allocation, we don't log the i_disksize update - * if there is delayed block allocation. But we still need - * to journalling the i_disksize update if writes to the end - * of file which has an already mapped buffer. - */ -retry_journal: - handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, - ext4_da_write_credits(inode, pos, len)); - if (IS_ERR(handle)) { - put_page(page); - return PTR_ERR(handle); - } - - lock_page(page); - if (page->mapping != mapping) { - /* The page got truncated from under us */ - unlock_page(page); - put_page(page); - ext4_journal_stop(handle); - goto retry_grab; - } /* In case writeback began while the page was unlocked */ wait_for_stable_page(page); @@ -3025,20 +2973,18 @@ retry_journal: #endif if (ret < 0) { unlock_page(page); - ext4_journal_stop(handle); + put_page(page); /* * block_write_begin may have instantiated a few blocks * outside i_size. Trim these off again. Don't need - * i_size_read because we hold i_mutex. + * i_size_read because we hold inode lock. */ if (pos + len > inode->i_size) ext4_truncate_failed_write(inode); if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) - goto retry_journal; - - put_page(page); + goto retry; return ret; } @@ -3075,8 +3021,6 @@ static int ext4_da_write_end(struct file *file, struct page *page, void *fsdata) { struct inode *inode = mapping->host; - int ret = 0, ret2; - handle_t *handle = ext4_journal_current_handle(); loff_t new_i_size; unsigned long start, end; int write_mode = (int)(unsigned long)fsdata; @@ -3086,44 +3030,36 @@ static int ext4_da_write_end(struct file *file, len, copied, page, fsdata); trace_ext4_da_write_end(inode, pos, len, copied); + + if (write_mode != CONVERT_INLINE_DATA && + ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA) && + ext4_has_inline_data(inode)) + return ext4_write_inline_data_end(inode, pos, len, copied, page); + start = pos & (PAGE_SIZE - 1); end = start + copied - 1; /* - * generic_write_end() will run mark_inode_dirty() if i_size - * changes. So let's piggyback the i_disksize mark_inode_dirty - * into that. + * Since we are holding inode lock, we are sure i_disksize <= + * i_size. We also know that if i_disksize < i_size, there are + * delalloc writes pending in the range upto i_size. If the end of + * the current write is <= i_size, there's no need to touch + * i_disksize since writeback will push i_disksize upto i_size + * eventually. If the end of the current write is > i_size and + * inside an allocated block (ext4_da_should_update_i_disksize() + * check), we need to update i_disksize here as neither + * ext4_writepage() nor certain ext4_writepages() paths not + * allocating blocks update i_disksize. + * + * Note that we defer inode dirtying to generic_write_end() / + * ext4_da_write_inline_data_end(). */ new_i_size = pos + copied; - if (copied && new_i_size > EXT4_I(inode)->i_disksize) { - if (ext4_has_inline_data(inode) || - ext4_da_should_update_i_disksize(page, end)) { - ext4_update_i_disksize(inode, new_i_size); - /* We need to mark inode dirty even if - * new_i_size is less that inode->i_size - * bu greater than i_disksize.(hint delalloc) - */ - ret = ext4_mark_inode_dirty(handle, inode); - } - } + if (copied && new_i_size > inode->i_size && + ext4_da_should_update_i_disksize(page, end)) + ext4_update_i_disksize(inode, new_i_size); - if (write_mode != CONVERT_INLINE_DATA && - ext4_test_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA) && - ext4_has_inline_data(inode)) - ret2 = ext4_da_write_inline_data_end(inode, pos, len, copied, - page); - else - ret2 = generic_write_end(file, mapping, pos, len, copied, - page, fsdata); - - copied = ret2; - if (ret2 < 0) - ret = ret2; - ret2 = ext4_journal_stop(handle); - if (unlikely(ret2 && !ret)) - ret = ret2; - - return ret ? ret : copied; + return generic_write_end(file, mapping, pos, len, copied, page, fsdata); } /* @@ -4340,6 +4276,12 @@ static int __ext4_get_inode_loc(struct super_block *sb, unsigned long ino, goto has_buffer; lock_buffer(bh); + if (ext4_buffer_uptodate(bh)) { + /* Someone brought it uptodate while we waited */ + unlock_buffer(bh); + goto has_buffer; + } + /* * If we have all information of the inode in memory and this * is the only valid inode in the block, we need not read the diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0775950ee84e..88d5d274a868 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -658,7 +658,7 @@ static void ext4_handle_error(struct super_block *sb, bool force_ro, int error, * constraints, it may not be safe to do it right here so we * defer superblock flushing to a workqueue. */ - if (continue_fs) + if (continue_fs && journal) schedule_work(&EXT4_SB(sb)->s_error_work); else ext4_commit_super(sb); @@ -1350,6 +1350,12 @@ static void ext4_destroy_inode(struct inode *inode) true); dump_stack(); } + + if (EXT4_I(inode)->i_reserved_data_blocks) + ext4_msg(inode->i_sb, KERN_ERR, + "Inode %lu (%p): i_reserved_data_blocks (%u) not cleared!", + inode->i_ino, EXT4_I(inode), + EXT4_I(inode)->i_reserved_data_blocks); } static void init_once(void *foo) @@ -3021,17 +3027,17 @@ static loff_t ext4_max_size(int blkbits, int has_huge_files) */ static loff_t ext4_max_bitmap_size(int bits, int has_huge_files) { - loff_t res = EXT4_NDIR_BLOCKS; + unsigned long long upper_limit, res = EXT4_NDIR_BLOCKS; int meta_blocks; - loff_t upper_limit; - /* This is calculated to be the largest file size for a dense, block + + /* + * This is calculated to be the largest file size for a dense, block * mapped file such that the file's total number of 512-byte sectors, * including data and all indirect blocks, does not exceed (2^48 - 1). * * __u32 i_blocks_lo and _u16 i_blocks_high represent the total * number of 512-byte sectors of the file. */ - if (!has_huge_files) { /* * !has_huge_files or implies that the inode i_block field @@ -3074,7 +3080,7 @@ static loff_t ext4_max_bitmap_size(int bits, int has_huge_files) if (res > MAX_LFS_FILESIZE) res = MAX_LFS_FILESIZE; - return res; + return (loff_t)res; } static ext4_fsblk_t descriptor_loc(struct super_block *sb, @@ -5042,12 +5048,15 @@ failed_mount_wq: sbi->s_ea_block_cache = NULL; if (sbi->s_journal) { + /* flush s_error_work before journal destroy. */ + flush_work(&sbi->s_error_work); jbd2_journal_destroy(sbi->s_journal); sbi->s_journal = NULL; } failed_mount3a: ext4_es_unregister_shrinker(sbi); failed_mount3: + /* flush s_error_work before sbi destroy */ flush_work(&sbi->s_error_work); del_timer_sync(&sbi->s_err_report); ext4_stop_mmpd(sbi); diff --git a/fs/fscache/object.c b/fs/fscache/object.c index f346a78f4bd6..6a675652129b 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -77,7 +77,6 @@ static WORK_STATE(INIT_OBJECT, "INIT", fscache_initialise_object); static WORK_STATE(PARENT_READY, "PRDY", fscache_parent_ready); static WORK_STATE(ABORT_INIT, "ABRT", fscache_abort_initialisation); static WORK_STATE(LOOK_UP_OBJECT, "LOOK", fscache_look_up_object); -static WORK_STATE(CREATE_OBJECT, "CRTO", fscache_look_up_object); static WORK_STATE(OBJECT_AVAILABLE, "AVBL", fscache_object_available); static WORK_STATE(JUMPSTART_DEPS, "JUMP", fscache_jumpstart_dependents); @@ -907,6 +906,7 @@ static void fscache_dequeue_object(struct fscache_object *object) * @object: The object to ask about * @data: The auxiliary data for the object * @datalen: The size of the auxiliary data + * @object_size: The size of the object according to the server. * * This function consults the netfs about the coherency state of an object. * The caller must be holding a ref on cookie->n_active (held by diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index 433877107700..e002cdfaf3cc 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -22,7 +22,10 @@ static void fscache_operation_dummy_cancel(struct fscache_operation *op) /** * fscache_operation_init - Do basic initialisation of an operation + * @cookie: The cookie to operate on * @op: The operation to initialise + * @processor: The function to perform the operation + * @cancel: A function to handle operation cancellation * @release: The release function to assign * * Do basic initialisation of an operation. The caller must still set flags, diff --git a/fs/inode.c b/fs/inode.c index 37710ca863b5..ed0cab8a32db 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -190,8 +190,10 @@ int inode_init_always(struct super_block *sb, struct inode *inode) mapping_set_gfp_mask(mapping, GFP_HIGHUSER_MOVABLE); mapping->private_data = NULL; mapping->writeback_index = 0; - __init_rwsem(&mapping->invalidate_lock, "mapping.invalidate_lock", - &sb->s_type->invalidate_lock_key); + init_rwsem(&mapping->invalidate_lock); + lockdep_set_class_and_name(&mapping->invalidate_lock, + &sb->s_type->invalidate_lock_key, + "mapping.invalidate_lock"); inode->i_private = NULL; inode->i_mapping = mapping; INIT_HLIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ diff --git a/fs/io-wq.c b/fs/io-wq.c index 6c55362c1f99..5bf8aa81715e 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -14,6 +14,7 @@ #include <linux/rculist_nulls.h> #include <linux/cpu.h> #include <linux/tracehook.h> +#include <uapi/linux/io_uring.h> #include "io-wq.h" @@ -176,7 +177,6 @@ static void io_worker_ref_put(struct io_wq *wq) static void io_worker_exit(struct io_worker *worker) { struct io_wqe *wqe = worker->wqe; - struct io_wqe_acct *acct = io_wqe_get_acct(worker); if (refcount_dec_and_test(&worker->ref)) complete(&worker->ref_done); @@ -186,7 +186,6 @@ static void io_worker_exit(struct io_worker *worker) if (worker->flags & IO_WORKER_F_FREE) hlist_nulls_del_rcu(&worker->nulls_node); list_del_rcu(&worker->all_list); - acct->nr_workers--; preempt_disable(); io_wqe_dec_running(worker); worker->flags = 0; @@ -246,8 +245,6 @@ static bool io_wqe_activate_free_worker(struct io_wqe *wqe, */ static bool io_wqe_create_worker(struct io_wqe *wqe, struct io_wqe_acct *acct) { - bool do_create = false; - /* * Most likely an attempt to queue unbounded work on an io_wq that * wasn't setup with any unbounded workers. @@ -256,18 +253,15 @@ static bool io_wqe_create_worker(struct io_wqe *wqe, struct io_wqe_acct *acct) pr_warn_once("io-wq is not configured for unbound workers"); raw_spin_lock(&wqe->lock); - if (acct->nr_workers < acct->max_workers) { - acct->nr_workers++; - do_create = true; + if (acct->nr_workers == acct->max_workers) { + raw_spin_unlock(&wqe->lock); + return true; } + acct->nr_workers++; raw_spin_unlock(&wqe->lock); - if (do_create) { - atomic_inc(&acct->nr_running); - atomic_inc(&wqe->wq->worker_refs); - return create_io_worker(wqe->wq, wqe, acct->index); - } - - return true; + atomic_inc(&acct->nr_running); + atomic_inc(&wqe->wq->worker_refs); + return create_io_worker(wqe->wq, wqe, acct->index); } static void io_wqe_inc_running(struct io_worker *worker) @@ -574,6 +568,7 @@ loop: } /* timed out, exit unless we're the last worker */ if (last_timeout && acct->nr_workers > 1) { + acct->nr_workers--; raw_spin_unlock(&wqe->lock); __set_current_state(TASK_RUNNING); break; @@ -589,9 +584,7 @@ loop: if (!get_signal(&ksig)) continue; - if (fatal_signal_pending(current)) - break; - continue; + break; } last_timeout = !ret; } @@ -1287,6 +1280,10 @@ int io_wq_max_workers(struct io_wq *wq, int *new_count) { int i, node, prev = 0; + BUILD_BUG_ON((int) IO_WQ_ACCT_BOUND != (int) IO_WQ_BOUND); + BUILD_BUG_ON((int) IO_WQ_ACCT_UNBOUND != (int) IO_WQ_UNBOUND); + BUILD_BUG_ON((int) IO_WQ_ACCT_NR != 2); + for (i = 0; i < 2; i++) { if (new_count[i] > task_rlimit(current, RLIMIT_NPROC)) new_count[i] = task_rlimit(current, RLIMIT_NPROC); diff --git a/fs/io_uring.c b/fs/io_uring.c index 16fb7436043c..6b9e70208782 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -403,7 +403,6 @@ struct io_ring_ctx { struct wait_queue_head cq_wait; unsigned cq_extra; atomic_t cq_timeouts; - struct fasync_struct *cq_fasync; unsigned cq_last_tm_flush; } ____cacheline_aligned_in_smp; @@ -502,6 +501,7 @@ struct io_poll_update { struct io_close { struct file *file; int fd; + u32 file_slot; }; struct io_timeout_data { @@ -712,6 +712,7 @@ struct io_async_rw { struct iovec fast_iov[UIO_FASTIOV]; const struct iovec *free_iovec; struct iov_iter iter; + struct iov_iter_state iter_state; size_t bytes_done; struct wait_page_queue wpq; }; @@ -735,7 +736,6 @@ enum { REQ_F_BUFFER_SELECTED_BIT, REQ_F_COMPLETE_INLINE_BIT, REQ_F_REISSUE_BIT, - REQ_F_DONT_REISSUE_BIT, REQ_F_CREDS_BIT, REQ_F_REFCOUNT_BIT, REQ_F_ARM_LTIMEOUT_BIT, @@ -782,8 +782,6 @@ enum { REQ_F_COMPLETE_INLINE = BIT(REQ_F_COMPLETE_INLINE_BIT), /* caller should reissue async */ REQ_F_REISSUE = BIT(REQ_F_REISSUE_BIT), - /* don't attempt request reissue, see io_rw_reissue() */ - REQ_F_DONT_REISSUE = BIT(REQ_F_DONT_REISSUE_BIT), /* supports async reads */ REQ_F_NOWAIT_READ = BIT(REQ_F_NOWAIT_READ_BIT), /* supports async writes */ @@ -1100,6 +1098,8 @@ static int io_req_prep_async(struct io_kiocb *req); static int io_install_fixed_file(struct io_kiocb *req, struct file *file, unsigned int issue_flags, u32 slot_index); +static int io_close_fixed(struct io_kiocb *req, unsigned int issue_flags); + static enum hrtimer_restart io_link_timeout_fn(struct hrtimer *timer); static struct kmem_cache *req_cachep; @@ -1613,10 +1613,8 @@ static void io_cqring_ev_posted(struct io_ring_ctx *ctx) wake_up(&ctx->sq_data->wait); if (io_should_trigger_evfd(ctx)) eventfd_signal(ctx->cq_ev_fd, 1); - if (waitqueue_active(&ctx->poll_wait)) { + if (waitqueue_active(&ctx->poll_wait)) wake_up_interruptible(&ctx->poll_wait); - kill_fasync(&ctx->cq_fasync, SIGIO, POLL_IN); - } } static void io_cqring_ev_posted_iopoll(struct io_ring_ctx *ctx) @@ -1630,10 +1628,8 @@ static void io_cqring_ev_posted_iopoll(struct io_ring_ctx *ctx) } if (io_should_trigger_evfd(ctx)) eventfd_signal(ctx->cq_ev_fd, 1); - if (waitqueue_active(&ctx->poll_wait)) { + if (waitqueue_active(&ctx->poll_wait)) wake_up_interruptible(&ctx->poll_wait); - kill_fasync(&ctx->cq_fasync, SIGIO, POLL_IN); - } } /* Returns true if there are no backlogged entries after the flush */ @@ -2444,13 +2440,6 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events, req = list_first_entry(done, struct io_kiocb, inflight_entry); list_del(&req->inflight_entry); - if (READ_ONCE(req->result) == -EAGAIN && - !(req->flags & REQ_F_DONT_REISSUE)) { - req->iopoll_completed = 0; - io_req_task_queue_reissue(req); - continue; - } - __io_cqring_fill_event(ctx, req->user_data, req->result, io_put_rw_kbuf(req)); (*nr_events)++; @@ -2613,8 +2602,7 @@ static bool io_resubmit_prep(struct io_kiocb *req) if (!rw) return !io_req_prep_async(req); - /* may have left rw->iter inconsistent on -EIOCBQUEUED */ - iov_iter_revert(&rw->iter, req->result - iov_iter_count(&rw->iter)); + iov_iter_restore(&rw->iter, &rw->iter_state); return true; } @@ -2714,10 +2702,9 @@ static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2) if (kiocb->ki_flags & IOCB_WRITE) kiocb_end_write(req); if (unlikely(res != req->result)) { - if (!(res == -EAGAIN && io_rw_should_reissue(req) && - io_resubmit_prep(req))) { - req_set_fail(req); - req->flags |= REQ_F_DONT_REISSUE; + if (res == -EAGAIN && io_rw_should_reissue(req)) { + req->flags |= REQ_F_REISSUE; + return; } } @@ -2843,7 +2830,8 @@ static bool io_file_supports_nowait(struct io_kiocb *req, int rw) return __io_file_supports_nowait(req->file, rw); } -static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) +static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, + int rw) { struct io_ring_ctx *ctx = req->ctx; struct kiocb *kiocb = &req->rw.kiocb; @@ -2865,8 +2853,13 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (unlikely(ret)) return ret; - /* don't allow async punt for O_NONBLOCK or RWF_NOWAIT */ - if ((kiocb->ki_flags & IOCB_NOWAIT) || (file->f_flags & O_NONBLOCK)) + /* + * If the file is marked O_NONBLOCK, still allow retry for it if it + * supports async. Otherwise it's impossible to use O_NONBLOCK files + * reliably. If not, or it IOCB_NOWAIT is set, don't retry. + */ + if ((kiocb->ki_flags & IOCB_NOWAIT) || + ((file->f_flags & O_NONBLOCK) && !io_file_supports_nowait(req, rw))) req->flags |= REQ_F_NOWAIT; ioprio = READ_ONCE(sqe->ioprio); @@ -2931,7 +2924,6 @@ static void kiocb_done(struct kiocb *kiocb, ssize_t ret, { struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb); struct io_async_rw *io = req->async_data; - bool check_reissue = kiocb->ki_complete == io_complete_rw; /* add previously done IO, if any */ if (io && io->bytes_done > 0) { @@ -2943,19 +2935,27 @@ static void kiocb_done(struct kiocb *kiocb, ssize_t ret, if (req->flags & REQ_F_CUR_POS) req->file->f_pos = kiocb->ki_pos; - if (ret >= 0 && check_reissue) + if (ret >= 0 && (kiocb->ki_complete == io_complete_rw)) __io_complete_rw(req, ret, 0, issue_flags); else io_rw_done(kiocb, ret); - if (check_reissue && (req->flags & REQ_F_REISSUE)) { + if (req->flags & REQ_F_REISSUE) { req->flags &= ~REQ_F_REISSUE; if (io_resubmit_prep(req)) { io_req_task_queue_reissue(req); } else { + unsigned int cflags = io_put_rw_kbuf(req); + struct io_ring_ctx *ctx = req->ctx; + req_set_fail(req); - __io_req_complete(req, issue_flags, ret, - io_put_rw_kbuf(req)); + if (issue_flags & IO_URING_F_NONBLOCK) { + mutex_lock(&ctx->uring_lock); + __io_req_complete(req, issue_flags, ret, cflags); + mutex_unlock(&ctx->uring_lock); + } else { + __io_req_complete(req, issue_flags, ret, cflags); + } } } } @@ -3263,12 +3263,15 @@ static ssize_t loop_rw_iter(int rw, struct io_kiocb *req, struct iov_iter *iter) ret = nr; break; } + if (!iov_iter_is_bvec(iter)) { + iov_iter_advance(iter, nr); + } else { + req->rw.len -= nr; + req->rw.addr += nr; + } ret += nr; if (nr != iovec.iov_len) break; - req->rw.len -= nr; - req->rw.addr += nr; - iov_iter_advance(iter, nr); } return ret; @@ -3315,12 +3318,17 @@ static int io_setup_async_rw(struct io_kiocb *req, const struct iovec *iovec, if (!force && !io_op_defs[req->opcode].needs_async_setup) return 0; if (!req->async_data) { + struct io_async_rw *iorw; + if (io_alloc_async_data(req)) { kfree(iovec); return -ENOMEM; } io_req_map_rw(req, iovec, fast_iov, iter); + iorw = req->async_data; + /* we've copied and mapped the iter, ensure state is saved */ + iov_iter_save_state(&iorw->iter, &iorw->iter_state); } return 0; } @@ -3339,6 +3347,7 @@ static inline int io_rw_prep_async(struct io_kiocb *req, int rw) iorw->free_iovec = iov; if (iov) req->flags |= REQ_F_NEED_CLEANUP; + iov_iter_save_state(&iorw->iter, &iorw->iter_state); return 0; } @@ -3346,7 +3355,7 @@ static int io_read_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { if (unlikely(!(req->file->f_mode & FMODE_READ))) return -EBADF; - return io_prep_rw(req, sqe); + return io_prep_rw(req, sqe, READ); } /* @@ -3442,19 +3451,28 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags) struct kiocb *kiocb = &req->rw.kiocb; struct iov_iter __iter, *iter = &__iter; struct io_async_rw *rw = req->async_data; - ssize_t io_size, ret, ret2; bool force_nonblock = issue_flags & IO_URING_F_NONBLOCK; + struct iov_iter_state __state, *state; + ssize_t ret, ret2; if (rw) { iter = &rw->iter; + state = &rw->iter_state; + /* + * We come here from an earlier attempt, restore our state to + * match in case it doesn't. It's cheap enough that we don't + * need to make this conditional. + */ + iov_iter_restore(iter, state); iovec = NULL; } else { ret = io_import_iovec(READ, req, &iovec, iter, !force_nonblock); if (ret < 0) return ret; + state = &__state; + iov_iter_save_state(iter, state); } - io_size = iov_iter_count(iter); - req->result = io_size; + req->result = iov_iter_count(iter); /* Ensure we clear previously set non-block flag */ if (!force_nonblock) @@ -3468,7 +3486,7 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags) return ret ?: -EAGAIN; } - ret = rw_verify_area(READ, req->file, io_kiocb_ppos(kiocb), io_size); + ret = rw_verify_area(READ, req->file, io_kiocb_ppos(kiocb), req->result); if (unlikely(ret)) { kfree(iovec); return ret; @@ -3484,30 +3502,49 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags) /* no retry on NONBLOCK nor RWF_NOWAIT */ if (req->flags & REQ_F_NOWAIT) goto done; - /* some cases will consume bytes even on error returns */ - iov_iter_reexpand(iter, iter->count + iter->truncated); - iov_iter_revert(iter, io_size - iov_iter_count(iter)); ret = 0; } else if (ret == -EIOCBQUEUED) { goto out_free; - } else if (ret <= 0 || ret == io_size || !force_nonblock || + } else if (ret <= 0 || ret == req->result || !force_nonblock || (req->flags & REQ_F_NOWAIT) || !need_read_all(req)) { /* read all, failed, already did sync or don't want to retry */ goto done; } + /* + * Don't depend on the iter state matching what was consumed, or being + * untouched in case of error. Restore it and we'll advance it + * manually if we need to. + */ + iov_iter_restore(iter, state); + ret2 = io_setup_async_rw(req, iovec, inline_vecs, iter, true); if (ret2) return ret2; iovec = NULL; rw = req->async_data; - /* now use our persistent iterator, if we aren't already */ - iter = &rw->iter; + /* + * Now use our persistent iterator and state, if we aren't already. + * We've restored and mapped the iter to match. + */ + if (iter != &rw->iter) { + iter = &rw->iter; + state = &rw->iter_state; + } do { - io_size -= ret; + /* + * We end up here because of a partial read, either from + * above or inside this loop. Advance the iter by the bytes + * that were consumed. + */ + iov_iter_advance(iter, ret); + if (!iov_iter_count(iter)) + break; rw->bytes_done += ret; + iov_iter_save_state(iter, state); + /* if we can retry, do so with the callbacks armed */ if (!io_rw_should_retry(req)) { kiocb->ki_flags &= ~IOCB_WAITQ; @@ -3525,7 +3562,8 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags) return 0; /* we got some bytes, but not all. retry. */ kiocb->ki_flags &= ~IOCB_WAITQ; - } while (ret > 0 && ret < io_size); + iov_iter_restore(iter, state); + } while (ret > 0); done: kiocb_done(kiocb, ret, issue_flags); out_free: @@ -3539,7 +3577,7 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { if (unlikely(!(req->file->f_mode & FMODE_WRITE))) return -EBADF; - return io_prep_rw(req, sqe); + return io_prep_rw(req, sqe, WRITE); } static int io_write(struct io_kiocb *req, unsigned int issue_flags) @@ -3548,19 +3586,23 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags) struct kiocb *kiocb = &req->rw.kiocb; struct iov_iter __iter, *iter = &__iter; struct io_async_rw *rw = req->async_data; - ssize_t ret, ret2, io_size; bool force_nonblock = issue_flags & IO_URING_F_NONBLOCK; + struct iov_iter_state __state, *state; + ssize_t ret, ret2; if (rw) { iter = &rw->iter; + state = &rw->iter_state; + iov_iter_restore(iter, state); iovec = NULL; } else { ret = io_import_iovec(WRITE, req, &iovec, iter, !force_nonblock); if (ret < 0) return ret; + state = &__state; + iov_iter_save_state(iter, state); } - io_size = iov_iter_count(iter); - req->result = io_size; + req->result = iov_iter_count(iter); /* Ensure we clear previously set non-block flag */ if (!force_nonblock) @@ -3577,7 +3619,7 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags) (req->flags & REQ_F_ISREG)) goto copy_iov; - ret = rw_verify_area(WRITE, req->file, io_kiocb_ppos(kiocb), io_size); + ret = rw_verify_area(WRITE, req->file, io_kiocb_ppos(kiocb), req->result); if (unlikely(ret)) goto out_free; @@ -3624,9 +3666,7 @@ done: kiocb_done(kiocb, ret2, issue_flags); } else { copy_iov: - /* some cases will consume bytes even on error returns */ - iov_iter_reexpand(iter, iter->count + iter->truncated); - iov_iter_revert(iter, io_size - iov_iter_count(iter)); + iov_iter_restore(iter, state); ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); return ret ?: -EAGAIN; } @@ -4342,7 +4382,7 @@ static int io_add_buffers(struct io_provide_buf *pbuf, struct io_buffer **head) int i, bid = pbuf->bid; for (i = 0; i < pbuf->nbufs; i++) { - buf = kmalloc(sizeof(*buf), GFP_KERNEL); + buf = kmalloc(sizeof(*buf), GFP_KERNEL_ACCOUNT); if (!buf) break; @@ -4549,12 +4589,16 @@ static int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL)) return -EINVAL; if (sqe->ioprio || sqe->off || sqe->addr || sqe->len || - sqe->rw_flags || sqe->buf_index || sqe->splice_fd_in) + sqe->rw_flags || sqe->buf_index) return -EINVAL; if (req->flags & REQ_F_FIXED_FILE) return -EBADF; req->close.fd = READ_ONCE(sqe->fd); + req->close.file_slot = READ_ONCE(sqe->file_index); + if (req->close.file_slot && req->close.fd) + return -EINVAL; + return 0; } @@ -4566,6 +4610,11 @@ static int io_close(struct io_kiocb *req, unsigned int issue_flags) struct file *file = NULL; int ret = -EBADF; + if (req->close.file_slot) { + ret = io_close_fixed(req, issue_flags); + goto err; + } + spin_lock(&files->file_lock); fdt = files_fdtable(files); if (close->fd >= fdt->max_fds) { @@ -5293,7 +5342,7 @@ static bool __io_poll_complete(struct io_kiocb *req, __poll_t mask) if (req->poll.events & EPOLLONESHOT) flags = 0; if (!io_cqring_fill_event(ctx, req->user_data, error, flags)) { - req->poll.done = true; + req->poll.events |= EPOLLONESHOT; flags = 0; } if (flags & IORING_CQE_F_MORE) @@ -5322,10 +5371,15 @@ static void io_poll_task_func(struct io_kiocb *req, bool *locked) } else { bool done; + if (req->poll.done) { + spin_unlock(&ctx->completion_lock); + return; + } done = __io_poll_complete(req, req->result); if (done) { io_poll_remove_double(req); hash_del(&req->hash_node); + req->poll.done = true; } else { req->result = 0; add_wait_queue(req->poll.head, &req->poll.wait); @@ -5463,6 +5517,7 @@ static void io_async_task_func(struct io_kiocb *req, bool *locked) hash_del(&req->hash_node); io_poll_remove_double(req); + apoll->poll.done = true; spin_unlock(&ctx->completion_lock); if (!READ_ONCE(apoll->poll.canceled)) @@ -5783,6 +5838,7 @@ static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags) struct io_ring_ctx *ctx = req->ctx; struct io_poll_table ipt; __poll_t mask; + bool done; ipt.pt._qproc = io_poll_queue_proc; @@ -5791,13 +5847,13 @@ static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags) if (mask) { /* no async, we'd stolen it */ ipt.error = 0; - io_poll_complete(req, mask); + done = io_poll_complete(req, mask); } spin_unlock(&ctx->completion_lock); if (mask) { io_cqring_ev_posted(ctx); - if (poll->events & EPOLLONESHOT) + if (done) io_put_req(req); } return ipt.error; @@ -6288,19 +6344,16 @@ static int io_files_update(struct io_kiocb *req, unsigned int issue_flags) struct io_uring_rsrc_update2 up; int ret; - if (issue_flags & IO_URING_F_NONBLOCK) - return -EAGAIN; - up.offset = req->rsrc_update.offset; up.data = req->rsrc_update.arg; up.nr = 0; up.tags = 0; up.resv = 0; - mutex_lock(&ctx->uring_lock); + io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); ret = __io_register_rsrc_update(ctx, IORING_RSRC_FILE, &up, req->rsrc_update.nr_args); - mutex_unlock(&ctx->uring_lock); + io_ring_submit_unlock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); if (ret < 0) req_set_fail(req); @@ -7515,6 +7568,14 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, break; } while (1); + if (uts) { + struct timespec64 ts; + + if (get_timespec64(&ts, uts)) + return -EFAULT; + timeout = timespec64_to_jiffies(&ts); + } + if (sig) { #ifdef CONFIG_COMPAT if (in_compat_syscall()) @@ -7528,14 +7589,6 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, return ret; } - if (uts) { - struct timespec64 ts; - - if (get_timespec64(&ts, uts)) - return -EFAULT; - timeout = timespec64_to_jiffies(&ts); - } - init_waitqueue_func_entry(&iowq.wq, io_wake_function); iowq.wq.private = current; INIT_LIST_HEAD(&iowq.wq.entry); @@ -8284,11 +8337,27 @@ static int io_sqe_file_register(struct io_ring_ctx *ctx, struct file *file, #endif } +static int io_queue_rsrc_removal(struct io_rsrc_data *data, unsigned idx, + struct io_rsrc_node *node, void *rsrc) +{ + struct io_rsrc_put *prsrc; + + prsrc = kzalloc(sizeof(*prsrc), GFP_KERNEL); + if (!prsrc) + return -ENOMEM; + + prsrc->tag = *io_get_tag_slot(data, idx); + prsrc->rsrc = rsrc; + list_add(&prsrc->list, &node->rsrc_list); + return 0; +} + static int io_install_fixed_file(struct io_kiocb *req, struct file *file, unsigned int issue_flags, u32 slot_index) { struct io_ring_ctx *ctx = req->ctx; bool force_nonblock = issue_flags & IO_URING_F_NONBLOCK; + bool needs_switch = false; struct io_fixed_file *file_slot; int ret = -EBADF; @@ -8304,9 +8373,22 @@ static int io_install_fixed_file(struct io_kiocb *req, struct file *file, slot_index = array_index_nospec(slot_index, ctx->nr_user_files); file_slot = io_fixed_file_slot(&ctx->file_table, slot_index); - ret = -EBADF; - if (file_slot->file_ptr) - goto err; + + if (file_slot->file_ptr) { + struct file *old_file; + + ret = io_rsrc_node_switch_start(ctx); + if (ret) + goto err; + + old_file = (struct file *)(file_slot->file_ptr & FFS_MASK); + ret = io_queue_rsrc_removal(ctx->file_data, slot_index, + ctx->rsrc_node, old_file); + if (ret) + goto err; + file_slot->file_ptr = 0; + needs_switch = true; + } *io_get_tag_slot(ctx->file_data, slot_index) = 0; io_fixed_file_set(file_slot, file); @@ -8318,25 +8400,50 @@ static int io_install_fixed_file(struct io_kiocb *req, struct file *file, ret = 0; err: + if (needs_switch) + io_rsrc_node_switch(ctx, ctx->file_data); io_ring_submit_unlock(ctx, !force_nonblock); if (ret) fput(file); return ret; } -static int io_queue_rsrc_removal(struct io_rsrc_data *data, unsigned idx, - struct io_rsrc_node *node, void *rsrc) +static int io_close_fixed(struct io_kiocb *req, unsigned int issue_flags) { - struct io_rsrc_put *prsrc; + unsigned int offset = req->close.file_slot - 1; + struct io_ring_ctx *ctx = req->ctx; + struct io_fixed_file *file_slot; + struct file *file; + int ret, i; - prsrc = kzalloc(sizeof(*prsrc), GFP_KERNEL); - if (!prsrc) - return -ENOMEM; + io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); + ret = -ENXIO; + if (unlikely(!ctx->file_data)) + goto out; + ret = -EINVAL; + if (offset >= ctx->nr_user_files) + goto out; + ret = io_rsrc_node_switch_start(ctx); + if (ret) + goto out; - prsrc->tag = *io_get_tag_slot(data, idx); - prsrc->rsrc = rsrc; - list_add(&prsrc->list, &node->rsrc_list); - return 0; + i = array_index_nospec(offset, ctx->nr_user_files); + file_slot = io_fixed_file_slot(&ctx->file_table, i); + ret = -EBADF; + if (!file_slot->file_ptr) + goto out; + + file = (struct file *)(file_slot->file_ptr & FFS_MASK); + ret = io_queue_rsrc_removal(ctx->file_data, offset, ctx->rsrc_node, file); + if (ret) + goto out; + + file_slot->file_ptr = 0; + io_rsrc_node_switch(ctx, ctx->file_data); + ret = 0; +out: + io_ring_submit_unlock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); + return ret; } static int __io_sqe_files_update(struct io_ring_ctx *ctx, @@ -9105,8 +9212,10 @@ static void io_destroy_buffers(struct io_ring_ctx *ctx) struct io_buffer *buf; unsigned long index; - xa_for_each(&ctx->io_buffers, index, buf) + xa_for_each(&ctx->io_buffers, index, buf) { __io_remove_buffers(ctx, buf, index, -1U); + cond_resched(); + } } static void io_req_cache_free(struct list_head *list) @@ -9231,13 +9340,6 @@ static __poll_t io_uring_poll(struct file *file, poll_table *wait) return mask; } -static int io_uring_fasync(int fd, struct file *file, int on) -{ - struct io_ring_ctx *ctx = file->private_data; - - return fasync_helper(fd, file, on, &ctx->cq_fasync); -} - static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) { const struct cred *creds; @@ -9604,8 +9706,10 @@ static void io_uring_clean_tctx(struct io_uring_task *tctx) struct io_tctx_node *node; unsigned long index; - xa_for_each(&tctx->xa, index, node) + xa_for_each(&tctx->xa, index, node) { io_uring_del_tctx_node(index); + cond_resched(); + } if (wq) { /* * Must be after io_uring_del_task_file() (removes nodes under @@ -10029,7 +10133,6 @@ static const struct file_operations io_uring_fops = { .mmap_capabilities = io_uring_nommu_mmap_capabilities, #endif .poll = io_uring_poll, - .fasync = io_uring_fasync, #ifdef CONFIG_PROC_FS .show_fdinfo = io_uring_show_fdinfo, #endif @@ -10560,10 +10663,12 @@ static int io_register_iowq_max_workers(struct io_ring_ctx *ctx, * ordering. Fine to drop uring_lock here, we hold * a ref to the ctx. */ + refcount_inc(&sqd->refs); mutex_unlock(&ctx->uring_lock); mutex_lock(&sqd->lock); mutex_lock(&ctx->uring_lock); - tctx = sqd->thread->io_uring; + if (sqd->thread) + tctx = sqd->thread->io_uring; } } else { tctx = current->io_uring; @@ -10577,16 +10682,20 @@ static int io_register_iowq_max_workers(struct io_ring_ctx *ctx, if (ret) goto err; - if (sqd) + if (sqd) { mutex_unlock(&sqd->lock); + io_put_sq_data(sqd); + } if (copy_to_user(arg, new_count, sizeof(new_count))) return -EFAULT; return 0; err: - if (sqd) + if (sqd) { mutex_unlock(&sqd->lock); + io_put_sq_data(sqd); + } return ret; } diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index ba581429bf7b..cfc3ce8b815a 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -1116,8 +1116,13 @@ static struct dentry *kernfs_iop_lookup(struct inode *dir, if (!inode) inode = ERR_PTR(-ENOMEM); } - /* Needed only for negative dentry validation */ - if (!inode) + /* + * Needed for negative dentry validation. + * The negative dentry can be created in kernfs_iop_lookup() + * or transforms from positive dentry in dentry_unlink_inode() + * called from vfs_rmdir(). + */ + if (!IS_ERR(inode)) kernfs_set_rev(parent, dentry); up_read(&kernfs_rwsem); diff --git a/fs/ksmbd/auth.c b/fs/ksmbd/auth.c index de36f12070bf..71c989f1568d 100644 --- a/fs/ksmbd/auth.c +++ b/fs/ksmbd/auth.c @@ -68,125 +68,6 @@ void ksmbd_copy_gss_neg_header(void *buf) memcpy(buf, NEGOTIATE_GSS_HEADER, AUTH_GSS_LENGTH); } -static void -str_to_key(unsigned char *str, unsigned char *key) -{ - int i; - - key[0] = str[0] >> 1; - key[1] = ((str[0] & 0x01) << 6) | (str[1] >> 2); - key[2] = ((str[1] & 0x03) << 5) | (str[2] >> 3); - key[3] = ((str[2] & 0x07) << 4) | (str[3] >> 4); - key[4] = ((str[3] & 0x0F) << 3) | (str[4] >> 5); - key[5] = ((str[4] & 0x1F) << 2) | (str[5] >> 6); - key[6] = ((str[5] & 0x3F) << 1) | (str[6] >> 7); - key[7] = str[6] & 0x7F; - for (i = 0; i < 8; i++) - key[i] = (key[i] << 1); -} - -static int -smbhash(unsigned char *out, const unsigned char *in, unsigned char *key) -{ - unsigned char key2[8]; - struct des_ctx ctx; - - if (fips_enabled) { - ksmbd_debug(AUTH, "FIPS compliance enabled: DES not permitted\n"); - return -ENOENT; - } - - str_to_key(key, key2); - des_expand_key(&ctx, key2, DES_KEY_SIZE); - des_encrypt(&ctx, out, in); - memzero_explicit(&ctx, sizeof(ctx)); - return 0; -} - -static int ksmbd_enc_p24(unsigned char *p21, const unsigned char *c8, unsigned char *p24) -{ - int rc; - - rc = smbhash(p24, c8, p21); - if (rc) - return rc; - rc = smbhash(p24 + 8, c8, p21 + 7); - if (rc) - return rc; - return smbhash(p24 + 16, c8, p21 + 14); -} - -/* produce a md4 message digest from data of length n bytes */ -static int ksmbd_enc_md4(unsigned char *md4_hash, unsigned char *link_str, - int link_len) -{ - int rc; - struct ksmbd_crypto_ctx *ctx; - - ctx = ksmbd_crypto_ctx_find_md4(); - if (!ctx) { - ksmbd_debug(AUTH, "Crypto md4 allocation error\n"); - return -ENOMEM; - } - - rc = crypto_shash_init(CRYPTO_MD4(ctx)); - if (rc) { - ksmbd_debug(AUTH, "Could not init md4 shash\n"); - goto out; - } - - rc = crypto_shash_update(CRYPTO_MD4(ctx), link_str, link_len); - if (rc) { - ksmbd_debug(AUTH, "Could not update with link_str\n"); - goto out; - } - - rc = crypto_shash_final(CRYPTO_MD4(ctx), md4_hash); - if (rc) - ksmbd_debug(AUTH, "Could not generate md4 hash\n"); -out: - ksmbd_release_crypto_ctx(ctx); - return rc; -} - -static int ksmbd_enc_update_sess_key(unsigned char *md5_hash, char *nonce, - char *server_challenge, int len) -{ - int rc; - struct ksmbd_crypto_ctx *ctx; - - ctx = ksmbd_crypto_ctx_find_md5(); - if (!ctx) { - ksmbd_debug(AUTH, "Crypto md5 allocation error\n"); - return -ENOMEM; - } - - rc = crypto_shash_init(CRYPTO_MD5(ctx)); - if (rc) { - ksmbd_debug(AUTH, "Could not init md5 shash\n"); - goto out; - } - - rc = crypto_shash_update(CRYPTO_MD5(ctx), server_challenge, len); - if (rc) { - ksmbd_debug(AUTH, "Could not update with challenge\n"); - goto out; - } - - rc = crypto_shash_update(CRYPTO_MD5(ctx), nonce, len); - if (rc) { - ksmbd_debug(AUTH, "Could not update with nonce\n"); - goto out; - } - - rc = crypto_shash_final(CRYPTO_MD5(ctx), md5_hash); - if (rc) - ksmbd_debug(AUTH, "Could not generate md5 hash\n"); -out: - ksmbd_release_crypto_ctx(ctx); - return rc; -} - /** * ksmbd_gen_sess_key() - function to generate session key * @sess: session of connection @@ -325,43 +206,6 @@ out: } /** - * ksmbd_auth_ntlm() - NTLM authentication handler - * @sess: session of connection - * @pw_buf: NTLM challenge response - * @passkey: user password - * - * Return: 0 on success, error number on error - */ -int ksmbd_auth_ntlm(struct ksmbd_session *sess, char *pw_buf) -{ - int rc; - unsigned char p21[21]; - char key[CIFS_AUTH_RESP_SIZE]; - - memset(p21, '\0', 21); - memcpy(p21, user_passkey(sess->user), CIFS_NTHASH_SIZE); - rc = ksmbd_enc_p24(p21, sess->ntlmssp.cryptkey, key); - if (rc) { - pr_err("password processing failed\n"); - return rc; - } - - ksmbd_enc_md4(sess->sess_key, user_passkey(sess->user), - CIFS_SMB1_SESSKEY_SIZE); - memcpy(sess->sess_key + CIFS_SMB1_SESSKEY_SIZE, key, - CIFS_AUTH_RESP_SIZE); - sess->sequence_number = 1; - - if (strncmp(pw_buf, key, CIFS_AUTH_RESP_SIZE) != 0) { - ksmbd_debug(AUTH, "ntlmv1 authentication failed\n"); - return -EINVAL; - } - - ksmbd_debug(AUTH, "ntlmv1 authentication pass\n"); - return 0; -} - -/** * ksmbd_auth_ntlmv2() - NTLMv2 authentication handler * @sess: session of connection * @ntlmv2: NTLMv2 challenge response @@ -442,44 +286,6 @@ out: } /** - * __ksmbd_auth_ntlmv2() - NTLM2(extended security) authentication handler - * @sess: session of connection - * @client_nonce: client nonce from LM response. - * @ntlm_resp: ntlm response data from client. - * - * Return: 0 on success, error number on error - */ -static int __ksmbd_auth_ntlmv2(struct ksmbd_session *sess, char *client_nonce, - char *ntlm_resp) -{ - char sess_key[CIFS_SMB1_SESSKEY_SIZE] = {0}; - int rc; - unsigned char p21[21]; - char key[CIFS_AUTH_RESP_SIZE]; - - rc = ksmbd_enc_update_sess_key(sess_key, - client_nonce, - (char *)sess->ntlmssp.cryptkey, 8); - if (rc) { - pr_err("password processing failed\n"); - goto out; - } - - memset(p21, '\0', 21); - memcpy(p21, user_passkey(sess->user), CIFS_NTHASH_SIZE); - rc = ksmbd_enc_p24(p21, sess_key, key); - if (rc) { - pr_err("password processing failed\n"); - goto out; - } - - if (memcmp(ntlm_resp, key, CIFS_AUTH_RESP_SIZE) != 0) - rc = -EINVAL; -out: - return rc; -} - -/** * ksmbd_decode_ntlmssp_auth_blob() - helper function to construct * authenticate blob * @authblob: authenticate blob source pointer @@ -512,17 +318,6 @@ int ksmbd_decode_ntlmssp_auth_blob(struct authenticate_message *authblob, nt_off = le32_to_cpu(authblob->NtChallengeResponse.BufferOffset); nt_len = le16_to_cpu(authblob->NtChallengeResponse.Length); - /* process NTLM authentication */ - if (nt_len == CIFS_AUTH_RESP_SIZE) { - if (le32_to_cpu(authblob->NegotiateFlags) & - NTLMSSP_NEGOTIATE_EXTENDED_SEC) - return __ksmbd_auth_ntlmv2(sess, (char *)authblob + - lm_off, (char *)authblob + nt_off); - else - return ksmbd_auth_ntlm(sess, (char *)authblob + - nt_off); - } - /* TODO : use domain name that imported from configuration file */ domain_name = smb_strndup_from_utf16((const char *)authblob + le32_to_cpu(authblob->DomainName.BufferOffset), diff --git a/fs/ksmbd/connection.c b/fs/ksmbd/connection.c index af086d35398a..48b18b4ec117 100644 --- a/fs/ksmbd/connection.c +++ b/fs/ksmbd/connection.c @@ -296,10 +296,12 @@ int ksmbd_conn_handler_loop(void *p) pdu_size = get_rfc1002_len(hdr_buf); ksmbd_debug(CONN, "RFC1002 header %u bytes\n", pdu_size); - /* make sure we have enough to get to SMB header end */ - if (!ksmbd_pdu_size_has_room(pdu_size)) { - ksmbd_debug(CONN, "SMB request too short (%u bytes)\n", - pdu_size); + /* + * Check if pdu size is valid (min : smb header size, + * max : 0x00FFFFFF). + */ + if (pdu_size < __SMB2_HEADER_STRUCTURE_SIZE || + pdu_size > MAX_STREAM_PROT_LEN) { continue; } diff --git a/fs/ksmbd/crypto_ctx.c b/fs/ksmbd/crypto_ctx.c index 5f4b1008d17e..81488d04199d 100644 --- a/fs/ksmbd/crypto_ctx.c +++ b/fs/ksmbd/crypto_ctx.c @@ -81,12 +81,6 @@ static struct shash_desc *alloc_shash_desc(int id) case CRYPTO_SHASH_SHA512: tfm = crypto_alloc_shash("sha512", 0, 0); break; - case CRYPTO_SHASH_MD4: - tfm = crypto_alloc_shash("md4", 0, 0); - break; - case CRYPTO_SHASH_MD5: - tfm = crypto_alloc_shash("md5", 0, 0); - break; default: return NULL; } @@ -214,16 +208,6 @@ struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void) return ____crypto_shash_ctx_find(CRYPTO_SHASH_SHA512); } -struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md4(void) -{ - return ____crypto_shash_ctx_find(CRYPTO_SHASH_MD4); -} - -struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md5(void) -{ - return ____crypto_shash_ctx_find(CRYPTO_SHASH_MD5); -} - static struct ksmbd_crypto_ctx *____crypto_aead_ctx_find(int id) { struct ksmbd_crypto_ctx *ctx; diff --git a/fs/ksmbd/crypto_ctx.h b/fs/ksmbd/crypto_ctx.h index ef11154b43df..4a367c62f653 100644 --- a/fs/ksmbd/crypto_ctx.h +++ b/fs/ksmbd/crypto_ctx.h @@ -15,8 +15,6 @@ enum { CRYPTO_SHASH_CMACAES, CRYPTO_SHASH_SHA256, CRYPTO_SHASH_SHA512, - CRYPTO_SHASH_MD4, - CRYPTO_SHASH_MD5, CRYPTO_SHASH_MAX, }; @@ -43,8 +41,6 @@ struct ksmbd_crypto_ctx { #define CRYPTO_CMACAES(c) ((c)->desc[CRYPTO_SHASH_CMACAES]) #define CRYPTO_SHA256(c) ((c)->desc[CRYPTO_SHASH_SHA256]) #define CRYPTO_SHA512(c) ((c)->desc[CRYPTO_SHASH_SHA512]) -#define CRYPTO_MD4(c) ((c)->desc[CRYPTO_SHASH_MD4]) -#define CRYPTO_MD5(c) ((c)->desc[CRYPTO_SHASH_MD5]) #define CRYPTO_HMACMD5_TFM(c) ((c)->desc[CRYPTO_SHASH_HMACMD5]->tfm) #define CRYPTO_HMACSHA256_TFM(c)\ @@ -52,8 +48,6 @@ struct ksmbd_crypto_ctx { #define CRYPTO_CMACAES_TFM(c) ((c)->desc[CRYPTO_SHASH_CMACAES]->tfm) #define CRYPTO_SHA256_TFM(c) ((c)->desc[CRYPTO_SHASH_SHA256]->tfm) #define CRYPTO_SHA512_TFM(c) ((c)->desc[CRYPTO_SHASH_SHA512]->tfm) -#define CRYPTO_MD4_TFM(c) ((c)->desc[CRYPTO_SHASH_MD4]->tfm) -#define CRYPTO_MD5_TFM(c) ((c)->desc[CRYPTO_SHASH_MD5]->tfm) #define CRYPTO_GCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_GCM]) #define CRYPTO_CCM(c) ((c)->ccmaes[CRYPTO_AEAD_AES_CCM]) @@ -64,8 +58,6 @@ struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_hmacsha256(void); struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_cmacaes(void); struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha512(void); struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_sha256(void); -struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md4(void); -struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_md5(void); struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_gcm(void); struct ksmbd_crypto_ctx *ksmbd_crypto_ctx_find_ccm(void); void ksmbd_crypto_destroy(void); diff --git a/fs/ksmbd/glob.h b/fs/ksmbd/glob.h index 49a5a3afa118..5b8f3e0ebdb3 100644 --- a/fs/ksmbd/glob.h +++ b/fs/ksmbd/glob.h @@ -12,7 +12,7 @@ #include "unicode.h" #include "vfs_cache.h" -#define KSMBD_VERSION "3.1.9" +#define KSMBD_VERSION "3.4.2" extern int ksmbd_debug_types; diff --git a/fs/ksmbd/misc.c b/fs/ksmbd/misc.c index 0b307ca28a19..60e7ac62c917 100644 --- a/fs/ksmbd/misc.c +++ b/fs/ksmbd/misc.c @@ -158,25 +158,18 @@ out: * Return : windows path string or error */ -char *convert_to_nt_pathname(char *filename, char *sharepath) +char *convert_to_nt_pathname(char *filename) { char *ab_pathname; - int len, name_len; - name_len = strlen(filename); - ab_pathname = kmalloc(name_len, GFP_KERNEL); + if (strlen(filename) == 0) + filename = "\\"; + + ab_pathname = kstrdup(filename, GFP_KERNEL); if (!ab_pathname) return NULL; - ab_pathname[0] = '\\'; - ab_pathname[1] = '\0'; - - len = strlen(sharepath); - if (!strncmp(filename, sharepath, len) && name_len != len) { - strscpy(ab_pathname, &filename[len], name_len); - ksmbd_conv_path_to_windows(ab_pathname); - } - + ksmbd_conv_path_to_windows(ab_pathname); return ab_pathname; } @@ -240,7 +233,7 @@ char *ksmbd_extract_sharename(char *treename) * * Return: converted name on success, otherwise NULL */ -char *convert_to_unix_name(struct ksmbd_share_config *share, char *name) +char *convert_to_unix_name(struct ksmbd_share_config *share, const char *name) { int no_slash = 0, name_len, path_len; char *new_name; diff --git a/fs/ksmbd/misc.h b/fs/ksmbd/misc.h index af8717d4d85b..253366bd0951 100644 --- a/fs/ksmbd/misc.h +++ b/fs/ksmbd/misc.h @@ -14,13 +14,13 @@ struct ksmbd_file; int match_pattern(const char *str, size_t len, const char *pattern); int ksmbd_validate_filename(char *filename); int parse_stream_name(char *filename, char **stream_name, int *s_type); -char *convert_to_nt_pathname(char *filename, char *sharepath); +char *convert_to_nt_pathname(char *filename); int get_nlink(struct kstat *st); void ksmbd_conv_path_to_unix(char *path); void ksmbd_strip_last_slash(char *path); void ksmbd_conv_path_to_windows(char *path); char *ksmbd_extract_sharename(char *treename); -char *convert_to_unix_name(struct ksmbd_share_config *share, char *name); +char *convert_to_unix_name(struct ksmbd_share_config *share, const char *name); #define KSMBD_DIR_INFO_ALIGNMENT 8 struct ksmbd_dir_info; diff --git a/fs/ksmbd/oplock.c b/fs/ksmbd/oplock.c index 16b6236d1bd2..f9dae6ef2115 100644 --- a/fs/ksmbd/oplock.c +++ b/fs/ksmbd/oplock.c @@ -1451,26 +1451,47 @@ struct lease_ctx_info *parse_lease_state(void *open_req) */ struct create_context *smb2_find_context_vals(void *open_req, const char *tag) { - char *data_offset; struct create_context *cc; unsigned int next = 0; char *name; struct smb2_create_req *req = (struct smb2_create_req *)open_req; + unsigned int remain_len, name_off, name_len, value_off, value_len, + cc_len; - data_offset = (char *)req + 4 + le32_to_cpu(req->CreateContextsOffset); - cc = (struct create_context *)data_offset; + /* + * CreateContextsOffset and CreateContextsLength are guaranteed to + * be valid because of ksmbd_smb2_check_message(). + */ + cc = (struct create_context *)((char *)req + 4 + + le32_to_cpu(req->CreateContextsOffset)); + remain_len = le32_to_cpu(req->CreateContextsLength); do { - int val; - cc = (struct create_context *)((char *)cc + next); - name = le16_to_cpu(cc->NameOffset) + (char *)cc; - val = le16_to_cpu(cc->NameLength); - if (val < 4) + if (remain_len < offsetof(struct create_context, Buffer)) return ERR_PTR(-EINVAL); - if (memcmp(name, tag, val) == 0) - return cc; next = le32_to_cpu(cc->Next); + name_off = le16_to_cpu(cc->NameOffset); + name_len = le16_to_cpu(cc->NameLength); + value_off = le16_to_cpu(cc->DataOffset); + value_len = le32_to_cpu(cc->DataLength); + cc_len = next ? next : remain_len; + + if ((next & 0x7) != 0 || + next > remain_len || + name_off != offsetof(struct create_context, Buffer) || + name_len < 4 || + name_off + name_len > cc_len || + (value_off & 0x7) != 0 || + (value_off && (value_off < name_off + name_len)) || + ((u64)value_off + value_len > cc_len)) + return ERR_PTR(-EINVAL); + + name = (char *)cc + name_off; + if (memcmp(name, tag, name_len) == 0) + return cc; + + remain_len -= next; } while (next != 0); return NULL; diff --git a/fs/ksmbd/server.c b/fs/ksmbd/server.c index e6a9f6aa47eb..2a2b2135bfde 100644 --- a/fs/ksmbd/server.c +++ b/fs/ksmbd/server.c @@ -584,6 +584,9 @@ static int __init ksmbd_server_init(void) ret = ksmbd_workqueue_init(); if (ret) goto err_crypto_destroy; + + pr_warn_once("The ksmbd server is experimental, use at your own risk.\n"); + return 0; err_crypto_destroy: diff --git a/fs/ksmbd/smb2misc.c b/fs/ksmbd/smb2misc.c index 9aa46bb3e10d..9edd9c161b27 100644 --- a/fs/ksmbd/smb2misc.c +++ b/fs/ksmbd/smb2misc.c @@ -80,18 +80,21 @@ static const bool has_smb2_data_area[NUMBER_OF_SMB2_COMMANDS] = { }; /* - * Returns the pointer to the beginning of the data area. Length of the data - * area and the offset to it (from the beginning of the smb are also returned. + * Set length of the data area and the offset to arguments. + * if they are invalid, return error. */ -static char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr) +static int smb2_get_data_area_len(unsigned int *off, unsigned int *len, + struct smb2_hdr *hdr) { + int ret = 0; + *off = 0; *len = 0; /* error reqeusts do not have data area */ if (hdr->Status && hdr->Status != STATUS_MORE_PROCESSING_REQUIRED && (((struct smb2_err_rsp *)hdr)->StructureSize) == SMB2_ERROR_STRUCTURE_SIZE2_LE) - return NULL; + return ret; /* * Following commands have data areas so we have to get the location @@ -165,69 +168,60 @@ static char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr) case SMB2_IOCTL: *off = le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputOffset); *len = le32_to_cpu(((struct smb2_ioctl_req *)hdr)->InputCount); - break; default: ksmbd_debug(SMB, "no length check for command\n"); break; } - /* - * Invalid length or offset probably means data area is invalid, but - * we have little choice but to ignore the data area in this case. - */ if (*off > 4096) { - ksmbd_debug(SMB, "offset %d too large, data area ignored\n", - *off); - *len = 0; - *off = 0; - } else if (*off < 0) { - ksmbd_debug(SMB, - "negative offset %d to data invalid ignore data area\n", - *off); - *off = 0; - *len = 0; - } else if (*len < 0) { - ksmbd_debug(SMB, - "negative data length %d invalid, data area ignored\n", - *len); - *len = 0; - } else if (*len > 128 * 1024) { - ksmbd_debug(SMB, "data area larger than 128K: %d\n", *len); - *len = 0; + ksmbd_debug(SMB, "offset %d too large\n", *off); + ret = -EINVAL; + } else if ((u64)*off + *len > MAX_STREAM_PROT_LEN) { + ksmbd_debug(SMB, "Request is larger than maximum stream protocol length(%u): %llu\n", + MAX_STREAM_PROT_LEN, (u64)*off + *len); + ret = -EINVAL; } - /* return pointer to beginning of data area, ie offset from SMB start */ - if ((*off != 0) && (*len != 0)) - return (char *)hdr + *off; - else - return NULL; + return ret; } /* * Calculate the size of the SMB message based on the fixed header * portion, the number of word parameters and the data portion of the message. */ -static unsigned int smb2_calc_size(void *buf) +static int smb2_calc_size(void *buf, unsigned int *len) { struct smb2_pdu *pdu = (struct smb2_pdu *)buf; struct smb2_hdr *hdr = &pdu->hdr; - int offset; /* the offset from the beginning of SMB to data area */ - int data_length; /* the length of the variable length data area */ + unsigned int offset; /* the offset from the beginning of SMB to data area */ + unsigned int data_length; /* the length of the variable length data area */ + int ret; + /* Structure Size has already been checked to make sure it is 64 */ - int len = le16_to_cpu(hdr->StructureSize); + *len = le16_to_cpu(hdr->StructureSize); /* * StructureSize2, ie length of fixed parameter area has already * been checked to make sure it is the correct length. */ - len += le16_to_cpu(pdu->StructureSize2); + *len += le16_to_cpu(pdu->StructureSize2); + /* + * StructureSize2 of smb2_lock pdu is set to 48, indicating + * the size of smb2 lock request with single smb2_lock_element + * regardless of number of locks. Subtract single + * smb2_lock_element for correct buffer size check. + */ + if (hdr->Command == SMB2_LOCK) + *len -= sizeof(struct smb2_lock_element); if (has_smb2_data_area[le16_to_cpu(hdr->Command)] == false) goto calc_size_exit; - smb2_get_data_area_len(&offset, &data_length, hdr); - ksmbd_debug(SMB, "SMB2 data length %d offset %d\n", data_length, + ret = smb2_get_data_area_len(&offset, &data_length, hdr); + if (ret) + return ret; + ksmbd_debug(SMB, "SMB2 data length %u offset %u\n", data_length, offset); if (data_length > 0) { @@ -237,16 +231,19 @@ static unsigned int smb2_calc_size(void *buf) * for some commands, typically those with odd StructureSize, * so we must add one to the calculation. */ - if (offset + 1 < len) + if (offset + 1 < *len) { ksmbd_debug(SMB, - "data area offset %d overlaps SMB2 header %d\n", - offset + 1, len); - else - len = offset + data_length; + "data area offset %d overlaps SMB2 header %u\n", + offset + 1, *len); + return -EINVAL; + } + + *len = offset + data_length; } + calc_size_exit: - ksmbd_debug(SMB, "SMB2 len %d\n", len); - return len; + ksmbd_debug(SMB, "SMB2 len %u\n", *len); + return 0; } static inline int smb2_query_info_req_len(struct smb2_query_info_req *h) @@ -391,9 +388,11 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work) return 1; } - clc_len = smb2_calc_size(hdr); + if (smb2_calc_size(hdr, &clc_len)) + return 1; + if (len != clc_len) { - /* server can return one byte more due to implied bcc[0] */ + /* client can return one byte more due to implied bcc[0] */ if (clc_len == len + 1) return 0; @@ -418,9 +417,6 @@ int ksmbd_smb2_check_message(struct ksmbd_work *work) return 0; } - if (command == SMB2_LOCK_HE && len == 88) - return 0; - ksmbd_debug(SMB, "cli req too short, len %d not %d. cmd:%d mid:%llu\n", len, clc_len, command, diff --git a/fs/ksmbd/smb2ops.c b/fs/ksmbd/smb2ops.c index 197473871aa4..b06456eb587b 100644 --- a/fs/ksmbd/smb2ops.c +++ b/fs/ksmbd/smb2ops.c @@ -187,11 +187,6 @@ static struct smb_version_cmds smb2_0_server_cmds[NUMBER_OF_SMB2_COMMANDS] = { [SMB2_CHANGE_NOTIFY_HE] = { .proc = smb2_notify}, }; -int init_smb2_0_server(struct ksmbd_conn *conn) -{ - return -EOPNOTSUPP; -} - /** * init_smb2_1_server() - initialize a smb server connection with smb2.1 * command dispatcher diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index c86164dc70bb..005aa93a49d6 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -236,9 +236,6 @@ int init_smb2_neg_rsp(struct ksmbd_work *work) if (conn->need_neg == false) return -EINVAL; - if (!(conn->dialect >= SMB20_PROT_ID && - conn->dialect <= SMB311_PROT_ID)) - return -EINVAL; rsp_hdr = work->response_buf; @@ -433,7 +430,7 @@ static void init_chained_smb2_rsp(struct ksmbd_work *work) work->compound_pfid = KSMBD_NO_FID; } memset((char *)rsp_hdr + 4, 0, sizeof(struct smb2_hdr) + 2); - rsp_hdr->ProtocolId = rcv_hdr->ProtocolId; + rsp_hdr->ProtocolId = SMB2_PROTO_NUMBER; rsp_hdr->StructureSize = SMB2_HEADER_STRUCTURE_SIZE; rsp_hdr->Command = rcv_hdr->Command; @@ -459,13 +456,22 @@ static void init_chained_smb2_rsp(struct ksmbd_work *work) bool is_chained_smb2_message(struct ksmbd_work *work) { struct smb2_hdr *hdr = work->request_buf; - unsigned int len; + unsigned int len, next_cmd; if (hdr->ProtocolId != SMB2_PROTO_NUMBER) return false; hdr = ksmbd_req_buf_next(work); - if (le32_to_cpu(hdr->NextCommand) > 0) { + next_cmd = le32_to_cpu(hdr->NextCommand); + if (next_cmd > 0) { + if ((u64)work->next_smb2_rcv_hdr_off + next_cmd + + __SMB2_HEADER_STRUCTURE_SIZE > + get_rfc1002_len(work->request_buf)) { + pr_err("next command(%u) offset exceeds smb msg size\n", + next_cmd); + return false; + } + ksmbd_debug(SMB, "got SMB2 chained command\n"); init_chained_smb2_rsp(work); return true; @@ -634,7 +640,7 @@ static char * smb2_get_name(struct ksmbd_share_config *share, const char *src, const int maxlen, struct nls_table *local_nls) { - char *name, *unixname; + char *name; name = smb_strndup_from_utf16(src, maxlen, 1, local_nls); if (IS_ERR(name)) { @@ -642,19 +648,9 @@ smb2_get_name(struct ksmbd_share_config *share, const char *src, return name; } - /* change it to absolute unix name */ ksmbd_conv_path_to_unix(name); ksmbd_strip_last_slash(name); - - unixname = convert_to_unix_name(share, name); - kfree(name); - if (!unixname) { - pr_err("can not convert absolute name\n"); - return ERR_PTR(-ENOMEM); - } - - ksmbd_debug(SMB, "absolute name = %s\n", unixname); - return unixname; + return name; } int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg) @@ -1068,6 +1064,7 @@ int smb2_handle_negotiate(struct ksmbd_work *work) struct smb2_negotiate_req *req = work->request_buf; struct smb2_negotiate_rsp *rsp = work->response_buf; int rc = 0; + unsigned int smb2_buf_len, smb2_neg_size; __le32 status; ksmbd_debug(SMB, "Received negotiate request\n"); @@ -1085,6 +1082,44 @@ int smb2_handle_negotiate(struct ksmbd_work *work) goto err_out; } + smb2_buf_len = get_rfc1002_len(work->request_buf); + smb2_neg_size = offsetof(struct smb2_negotiate_req, Dialects) - 4; + if (smb2_neg_size > smb2_buf_len) { + rsp->hdr.Status = STATUS_INVALID_PARAMETER; + rc = -EINVAL; + goto err_out; + } + + if (conn->dialect == SMB311_PROT_ID) { + unsigned int nego_ctxt_off = le32_to_cpu(req->NegotiateContextOffset); + + if (smb2_buf_len < nego_ctxt_off) { + rsp->hdr.Status = STATUS_INVALID_PARAMETER; + rc = -EINVAL; + goto err_out; + } + + if (smb2_neg_size > nego_ctxt_off) { + rsp->hdr.Status = STATUS_INVALID_PARAMETER; + rc = -EINVAL; + goto err_out; + } + + if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) > + nego_ctxt_off) { + rsp->hdr.Status = STATUS_INVALID_PARAMETER; + rc = -EINVAL; + goto err_out; + } + } else { + if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) > + smb2_buf_len) { + rsp->hdr.Status = STATUS_INVALID_PARAMETER; + rc = -EINVAL; + goto err_out; + } + } + conn->cli_cap = le32_to_cpu(req->Capabilities); switch (conn->dialect) { case SMB311_PROT_ID: @@ -1128,13 +1163,6 @@ int smb2_handle_negotiate(struct ksmbd_work *work) case SMB21_PROT_ID: init_smb2_1_server(conn); break; - case SMB20_PROT_ID: - rc = init_smb2_0_server(conn); - if (rc) { - rsp->hdr.Status = STATUS_NOT_SUPPORTED; - goto err_out; - } - break; case SMB2X_PROT_ID: case BAD_PROT_ID: default: @@ -1153,11 +1181,9 @@ int smb2_handle_negotiate(struct ksmbd_work *work) rsp->MaxReadSize = cpu_to_le32(conn->vals->max_read_size); rsp->MaxWriteSize = cpu_to_le32(conn->vals->max_write_size); - if (conn->dialect > SMB20_PROT_ID) { - memcpy(conn->ClientGUID, req->ClientGUID, - SMB2_CLIENT_GUID_SIZE); - conn->cli_sec_mode = le16_to_cpu(req->SecurityMode); - } + memcpy(conn->ClientGUID, req->ClientGUID, + SMB2_CLIENT_GUID_SIZE); + conn->cli_sec_mode = le16_to_cpu(req->SecurityMode); rsp->StructureSize = cpu_to_le16(65); rsp->DialectRevision = cpu_to_le16(conn->dialect); @@ -1499,11 +1525,9 @@ binding_session: } } - if (conn->dialect > SMB20_PROT_ID) { - if (!ksmbd_conn_lookup_dialect(conn)) { - pr_err("fail to verify the dialect\n"); - return -ENOENT; - } + if (!ksmbd_conn_lookup_dialect(conn)) { + pr_err("fail to verify the dialect\n"); + return -ENOENT; } return 0; } @@ -1585,11 +1609,9 @@ static int krb5_authenticate(struct ksmbd_work *work) } } - if (conn->dialect > SMB20_PROT_ID) { - if (!ksmbd_conn_lookup_dialect(conn)) { - pr_err("fail to verify the dialect\n"); - return -ENOENT; - } + if (!ksmbd_conn_lookup_dialect(conn)) { + pr_err("fail to verify the dialect\n"); + return -ENOENT; } return 0; } @@ -2103,16 +2125,22 @@ out: * smb2_set_ea() - handler for setting extended attributes using set * info command * @eabuf: set info command buffer + * @buf_len: set info command buffer length * @path: dentry path for get ea * * Return: 0 on success, otherwise error */ -static int smb2_set_ea(struct smb2_ea_info *eabuf, struct path *path) +static int smb2_set_ea(struct smb2_ea_info *eabuf, unsigned int buf_len, + struct path *path) { struct user_namespace *user_ns = mnt_user_ns(path->mnt); char *attr_name = NULL, *value; int rc = 0; - int next = 0; + unsigned int next = 0; + + if (buf_len < sizeof(struct smb2_ea_info) + eabuf->EaNameLength + + le16_to_cpu(eabuf->EaValueLength)) + return -EINVAL; attr_name = kmalloc(XATTR_NAME_MAX + 1, GFP_KERNEL); if (!attr_name) @@ -2177,7 +2205,13 @@ static int smb2_set_ea(struct smb2_ea_info *eabuf, struct path *path) next: next = le32_to_cpu(eabuf->NextEntryOffset); + if (next == 0 || buf_len < next) + break; + buf_len -= next; eabuf = (struct smb2_ea_info *)((char *)eabuf + next); + if (next < (u32)eabuf->EaNameLength + le16_to_cpu(eabuf->EaValueLength)) + break; + } while (next != 0); kfree(attr_name); @@ -2348,7 +2382,7 @@ static int smb2_creat(struct ksmbd_work *work, struct path *path, char *name, return rc; } - rc = ksmbd_vfs_kern_path(name, 0, path, 0); + rc = ksmbd_vfs_kern_path(work, name, 0, path, 0); if (rc) { pr_err("cannot get linux path (%s), err = %d\n", name, rc); @@ -2377,6 +2411,10 @@ static int smb2_create_sd_buffer(struct ksmbd_work *work, ksmbd_debug(SMB, "Set ACLs using SMB2_CREATE_SD_BUFFER context\n"); sd_buf = (struct create_sd_buf_req *)context; + if (le16_to_cpu(context->DataOffset) + + le32_to_cpu(context->DataLength) < + sizeof(struct create_sd_buf_req)) + return -EINVAL; return set_info_sec(work->conn, work->tcon, path, &sd_buf->ntsd, le32_to_cpu(sd_buf->ccontext.DataLength), true); } @@ -2423,7 +2461,7 @@ int smb2_open(struct ksmbd_work *work) struct oplock_info *opinfo; __le32 *next_ptr = NULL; int req_op_level = 0, open_flags = 0, may_flags = 0, file_info = 0; - int rc = 0, len = 0; + int rc = 0; int contxt_cnt = 0, query_disk_id = 0; int maximal_access_ctxt = 0, posix_ctxt = 0; int s_type = 0; @@ -2495,17 +2533,11 @@ int smb2_open(struct ksmbd_work *work) goto err_out1; } } else { - len = strlen(share->path); - ksmbd_debug(SMB, "share path len %d\n", len); - name = kmalloc(len + 1, GFP_KERNEL); + name = kstrdup("", GFP_KERNEL); if (!name) { - rsp->hdr.Status = STATUS_NO_MEMORY; rc = -ENOMEM; goto err_out1; } - - memcpy(name, share->path, len); - *(name + len) = '\0'; } req_op_level = req->RequestedOplockLevel; @@ -2577,6 +2609,12 @@ int smb2_open(struct ksmbd_work *work) goto err_out1; } else if (context) { ea_buf = (struct create_ea_buf_req *)context; + if (le16_to_cpu(context->DataOffset) + + le32_to_cpu(context->DataLength) < + sizeof(struct create_ea_buf_req)) { + rc = -EINVAL; + goto err_out1; + } if (req->CreateOptions & FILE_NO_EA_KNOWLEDGE_LE) { rsp->hdr.Status = STATUS_ACCESS_DENIED; rc = -EACCES; @@ -2615,6 +2653,12 @@ int smb2_open(struct ksmbd_work *work) } else if (context) { struct create_posix *posix = (struct create_posix *)context; + if (le16_to_cpu(context->DataOffset) + + le32_to_cpu(context->DataLength) < + sizeof(struct create_posix)) { + rc = -EINVAL; + goto err_out1; + } ksmbd_debug(SMB, "get posix context\n"); posix_mode = le32_to_cpu(posix->Mode); @@ -2628,13 +2672,9 @@ int smb2_open(struct ksmbd_work *work) goto err_out1; } - if (req->CreateOptions & FILE_DELETE_ON_CLOSE_LE) { - /* - * On delete request, instead of following up, need to - * look the current entity - */ - rc = ksmbd_vfs_kern_path(name, 0, &path, 1); - if (!rc) { + rc = ksmbd_vfs_kern_path(work, name, LOOKUP_NO_SYMLINKS, &path, 1); + if (!rc) { + if (req->CreateOptions & FILE_DELETE_ON_CLOSE_LE) { /* * If file exists with under flags, return access * denied error. @@ -2653,34 +2693,16 @@ int smb2_open(struct ksmbd_work *work) path_put(&path); goto err_out; } - } - } else { - if (test_share_config_flag(work->tcon->share_conf, - KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS)) { - /* - * Use LOOKUP_FOLLOW to follow the path of - * symlink in path buildup - */ - rc = ksmbd_vfs_kern_path(name, LOOKUP_FOLLOW, &path, 1); - if (rc) { /* Case for broken link ?*/ - rc = ksmbd_vfs_kern_path(name, 0, &path, 1); - } - } else { - rc = ksmbd_vfs_kern_path(name, 0, &path, 1); - if (!rc && d_is_symlink(path.dentry)) { - rc = -EACCES; - path_put(&path); - goto err_out; - } + } else if (d_is_symlink(path.dentry)) { + rc = -EACCES; + path_put(&path); + goto err_out; } } if (rc) { - if (rc == -EACCES) { - ksmbd_debug(SMB, - "User does not have right permission\n"); + if (rc != -ENOENT) goto err_out; - } ksmbd_debug(SMB, "can not get linux path for %s, rc = %d\n", name, rc); rc = 0; @@ -2786,7 +2808,15 @@ int smb2_open(struct ksmbd_work *work) created = true; user_ns = mnt_user_ns(path.mnt); if (ea_buf) { - rc = smb2_set_ea(&ea_buf->ea, &path); + if (le32_to_cpu(ea_buf->ccontext.DataLength) < + sizeof(struct smb2_ea_info)) { + rc = -EINVAL; + goto err_out; + } + + rc = smb2_set_ea(&ea_buf->ea, + le32_to_cpu(ea_buf->ccontext.DataLength), + &path); if (rc == -EOPNOTSUPP) rc = 0; else if (rc) @@ -3019,9 +3049,16 @@ int smb2_open(struct ksmbd_work *work) rc = PTR_ERR(az_req); goto err_out; } else if (az_req) { - loff_t alloc_size = le64_to_cpu(az_req->AllocationSize); + loff_t alloc_size; int err; + if (le16_to_cpu(az_req->ccontext.DataOffset) + + le32_to_cpu(az_req->ccontext.DataLength) < + sizeof(struct create_alloc_size_req)) { + rc = -EINVAL; + goto err_out; + } + alloc_size = le64_to_cpu(az_req->AllocationSize); ksmbd_debug(SMB, "request smb2 create allocate size : %llu\n", alloc_size); @@ -3176,7 +3213,7 @@ err_out1: rsp->hdr.Status = STATUS_INVALID_PARAMETER; else if (rc == -EOPNOTSUPP) rsp->hdr.Status = STATUS_NOT_SUPPORTED; - else if (rc == -EACCES || rc == -ESTALE) + else if (rc == -EACCES || rc == -ESTALE || rc == -EXDEV) rsp->hdr.Status = STATUS_ACCESS_DENIED; else if (rc == -ENOENT) rsp->hdr.Status = STATUS_OBJECT_NAME_INVALID; @@ -4041,6 +4078,10 @@ static int smb2_get_ea(struct ksmbd_work *work, struct ksmbd_file *fp, path = &fp->filp->f_path; /* single EA entry is requested with given user.* name */ if (req->InputBufferLength) { + if (le32_to_cpu(req->InputBufferLength) < + sizeof(struct smb2_ea_info_req)) + return -EINVAL; + ea_req = (struct smb2_ea_info_req *)req->Buffer; } else { /* need to send all EAs, if no specific EA is requested*/ @@ -4186,7 +4227,7 @@ static void get_file_access_info(struct smb2_query_info_rsp *rsp, static int get_file_basic_info(struct smb2_query_info_rsp *rsp, struct ksmbd_file *fp, void *rsp_org) { - struct smb2_file_all_info *basic_info; + struct smb2_file_basic_info *basic_info; struct kstat stat; u64 time; @@ -4196,7 +4237,7 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, return -EACCES; } - basic_info = (struct smb2_file_all_info *)rsp->Buffer; + basic_info = (struct smb2_file_basic_info *)rsp->Buffer; generic_fillattr(file_mnt_user_ns(fp->filp), file_inode(fp->filp), &stat); basic_info->CreationTime = cpu_to_le64(fp->create_time); @@ -4209,9 +4250,8 @@ static int get_file_basic_info(struct smb2_query_info_rsp *rsp, basic_info->Attributes = fp->f_ci->m_fattr; basic_info->Pad1 = 0; rsp->OutputBufferLength = - cpu_to_le32(offsetof(struct smb2_file_all_info, AllocationSize)); - inc_rfc1001_len(rsp_org, offsetof(struct smb2_file_all_info, - AllocationSize)); + cpu_to_le32(sizeof(struct smb2_file_basic_info)); + inc_rfc1001_len(rsp_org, sizeof(struct smb2_file_basic_info)); return 0; } @@ -4288,8 +4328,7 @@ static int get_file_all_info(struct ksmbd_work *work, return -EACCES; } - filename = convert_to_nt_pathname(fp->filename, - work->tcon->share_conf->path); + filename = convert_to_nt_pathname(fp->filename); if (!filename) return -ENOMEM; @@ -4420,17 +4459,15 @@ static void get_file_stream_info(struct ksmbd_work *work, file_info->NextEntryOffset = cpu_to_le32(next); } - if (nbytes) { + if (!S_ISDIR(stat.mode)) { file_info = (struct smb2_file_stream_info *) &rsp->Buffer[nbytes]; streamlen = smbConvertToUTF16((__le16 *)file_info->StreamName, "::$DATA", 7, conn->local_nls, 0); streamlen *= 2; file_info->StreamNameLength = cpu_to_le32(streamlen); - file_info->StreamSize = S_ISDIR(stat.mode) ? 0 : - cpu_to_le64(stat.size); - file_info->StreamAllocationSize = S_ISDIR(stat.mode) ? 0 : - cpu_to_le64(stat.size); + file_info->StreamSize = 0; + file_info->StreamAllocationSize = 0; nbytes += sizeof(struct smb2_file_stream_info) + streamlen; } @@ -4745,12 +4782,8 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work, struct path path; int rc = 0, len; int fs_infoclass_size = 0; - int lookup_flags = 0; - - if (test_share_config_flag(share, KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS)) - lookup_flags = LOOKUP_FOLLOW; - rc = ksmbd_vfs_kern_path(share->path, lookup_flags, &path, 0); + rc = kern_path(share->path, LOOKUP_NO_SYMLINKS, &path); if (rc) { pr_err("cannot create vfs path\n"); return -EIO; @@ -5299,7 +5332,7 @@ static int smb2_rename(struct ksmbd_work *work, goto out; len = strlen(new_name); - if (new_name[len - 1] != '/') { + if (len > 0 && new_name[len - 1] != '/') { pr_err("not allow base filename in rename\n"); rc = -ESHARE; goto out; @@ -5327,11 +5360,14 @@ static int smb2_rename(struct ksmbd_work *work, } ksmbd_debug(SMB, "new name %s\n", new_name); - rc = ksmbd_vfs_kern_path(new_name, 0, &path, 1); - if (rc) + rc = ksmbd_vfs_kern_path(work, new_name, LOOKUP_NO_SYMLINKS, &path, 1); + if (rc) { + if (rc != -ENOENT) + goto out; file_present = false; - else + } else { path_put(&path); + } if (ksmbd_share_veto_filename(share, new_name)) { rc = -ENOENT; @@ -5371,7 +5407,7 @@ out: static int smb2_create_link(struct ksmbd_work *work, struct ksmbd_share_config *share, struct smb2_file_link_info *file_info, - struct file *filp, + unsigned int buf_len, struct file *filp, struct nls_table *local_nls) { char *link_name = NULL, *target_name = NULL, *pathname = NULL; @@ -5379,6 +5415,10 @@ static int smb2_create_link(struct ksmbd_work *work, bool file_present = true; int rc; + if (buf_len < (u64)sizeof(struct smb2_file_link_info) + + le32_to_cpu(file_info->FileNameLength)) + return -EINVAL; + ksmbd_debug(SMB, "setting FILE_LINK_INFORMATION\n"); pathname = kmalloc(PATH_MAX, GFP_KERNEL); if (!pathname) @@ -5401,11 +5441,14 @@ static int smb2_create_link(struct ksmbd_work *work, } ksmbd_debug(SMB, "target name is %s\n", target_name); - rc = ksmbd_vfs_kern_path(link_name, 0, &path, 0); - if (rc) + rc = ksmbd_vfs_kern_path(work, link_name, LOOKUP_NO_SYMLINKS, &path, 0); + if (rc) { + if (rc != -ENOENT) + goto out; file_present = false; - else + } else { path_put(&path); + } if (file_info->ReplaceIfExists) { if (file_present) { @@ -5435,12 +5478,11 @@ out: return rc; } -static int set_file_basic_info(struct ksmbd_file *fp, char *buf, +static int set_file_basic_info(struct ksmbd_file *fp, + struct smb2_file_basic_info *file_info, struct ksmbd_share_config *share) { - struct smb2_file_all_info *file_info; struct iattr attrs; - struct timespec64 ctime; struct file *filp; struct inode *inode; struct user_namespace *user_ns; @@ -5449,7 +5491,6 @@ static int set_file_basic_info(struct ksmbd_file *fp, char *buf, if (!(fp->daccess & FILE_WRITE_ATTRIBUTES_LE)) return -EACCES; - file_info = (struct smb2_file_all_info *)buf; attrs.ia_valid = 0; filp = fp->filp; inode = file_inode(filp); @@ -5463,13 +5504,11 @@ static int set_file_basic_info(struct ksmbd_file *fp, char *buf, attrs.ia_valid |= (ATTR_ATIME | ATTR_ATIME_SET); } - if (file_info->ChangeTime) { + attrs.ia_valid |= ATTR_CTIME; + if (file_info->ChangeTime) attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime); - ctime = attrs.ia_ctime; - attrs.ia_valid |= ATTR_CTIME; - } else { - ctime = inode->i_ctime; - } + else + attrs.ia_ctime = inode->i_ctime; if (file_info->LastWriteTime) { attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime); @@ -5515,18 +5554,17 @@ static int set_file_basic_info(struct ksmbd_file *fp, char *buf, return -EACCES; inode_lock(inode); + inode->i_ctime = attrs.ia_ctime; + attrs.ia_valid &= ~ATTR_CTIME; rc = notify_change(user_ns, dentry, &attrs, NULL); - if (!rc) { - inode->i_ctime = ctime; - mark_inode_dirty(inode); - } inode_unlock(inode); } return rc; } static int set_file_allocation_info(struct ksmbd_work *work, - struct ksmbd_file *fp, char *buf) + struct ksmbd_file *fp, + struct smb2_file_alloc_info *file_alloc_info) { /* * TODO : It's working fine only when store dos attributes @@ -5534,7 +5572,6 @@ static int set_file_allocation_info(struct ksmbd_work *work, * properly with any smb.conf option */ - struct smb2_file_alloc_info *file_alloc_info; loff_t alloc_blks; struct inode *inode; int rc; @@ -5542,7 +5579,6 @@ static int set_file_allocation_info(struct ksmbd_work *work, if (!(fp->daccess & FILE_WRITE_DATA_LE)) return -EACCES; - file_alloc_info = (struct smb2_file_alloc_info *)buf; alloc_blks = (le64_to_cpu(file_alloc_info->AllocationSize) + 511) >> 9; inode = file_inode(fp->filp); @@ -5565,7 +5601,7 @@ static int set_file_allocation_info(struct ksmbd_work *work, * inode size is retained by backup inode size. */ size = i_size_read(inode); - rc = ksmbd_vfs_truncate(work, NULL, fp, alloc_blks * 512); + rc = ksmbd_vfs_truncate(work, fp, alloc_blks * 512); if (rc) { pr_err("truncate failed! filename : %s, err %d\n", fp->filename, rc); @@ -5578,9 +5614,8 @@ static int set_file_allocation_info(struct ksmbd_work *work, } static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp, - char *buf) + struct smb2_file_eof_info *file_eof_info) { - struct smb2_file_eof_info *file_eof_info; loff_t newsize; struct inode *inode; int rc; @@ -5588,7 +5623,6 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp, if (!(fp->daccess & FILE_WRITE_DATA_LE)) return -EACCES; - file_eof_info = (struct smb2_file_eof_info *)buf; newsize = le64_to_cpu(file_eof_info->EndOfFile); inode = file_inode(fp->filp); @@ -5602,7 +5636,7 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp, if (inode->i_sb->s_magic != MSDOS_SUPER_MAGIC) { ksmbd_debug(SMB, "filename : %s truncated to newsize %lld\n", fp->filename, newsize); - rc = ksmbd_vfs_truncate(work, NULL, fp, newsize); + rc = ksmbd_vfs_truncate(work, fp, newsize); if (rc) { ksmbd_debug(SMB, "truncate failed! filename : %s err %d\n", fp->filename, rc); @@ -5615,7 +5649,8 @@ static int set_end_of_file_info(struct ksmbd_work *work, struct ksmbd_file *fp, } static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp, - char *buf) + struct smb2_file_rename_info *rename_info, + unsigned int buf_len) { struct user_namespace *user_ns; struct ksmbd_file *parent_fp; @@ -5628,6 +5663,10 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp, return -EACCES; } + if (buf_len < (u64)sizeof(struct smb2_file_rename_info) + + le32_to_cpu(rename_info->FileNameLength)) + return -EINVAL; + user_ns = file_mnt_user_ns(fp->filp); if (ksmbd_stream_fd(fp)) goto next; @@ -5650,14 +5689,13 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp, } } next: - return smb2_rename(work, fp, user_ns, - (struct smb2_file_rename_info *)buf, + return smb2_rename(work, fp, user_ns, rename_info, work->sess->conn->local_nls); } -static int set_file_disposition_info(struct ksmbd_file *fp, char *buf) +static int set_file_disposition_info(struct ksmbd_file *fp, + struct smb2_file_disposition_info *file_info) { - struct smb2_file_disposition_info *file_info; struct inode *inode; if (!(fp->daccess & FILE_DELETE_LE)) { @@ -5666,7 +5704,6 @@ static int set_file_disposition_info(struct ksmbd_file *fp, char *buf) } inode = file_inode(fp->filp); - file_info = (struct smb2_file_disposition_info *)buf; if (file_info->DeletePending) { if (S_ISDIR(inode->i_mode) && ksmbd_vfs_empty_dir(fp) == -ENOTEMPTY) @@ -5678,15 +5715,14 @@ static int set_file_disposition_info(struct ksmbd_file *fp, char *buf) return 0; } -static int set_file_position_info(struct ksmbd_file *fp, char *buf) +static int set_file_position_info(struct ksmbd_file *fp, + struct smb2_file_pos_info *file_info) { - struct smb2_file_pos_info *file_info; loff_t current_byte_offset; unsigned long sector_size; struct inode *inode; inode = file_inode(fp->filp); - file_info = (struct smb2_file_pos_info *)buf; current_byte_offset = le64_to_cpu(file_info->CurrentByteOffset); sector_size = inode->i_sb->s_blocksize; @@ -5702,12 +5738,11 @@ static int set_file_position_info(struct ksmbd_file *fp, char *buf) return 0; } -static int set_file_mode_info(struct ksmbd_file *fp, char *buf) +static int set_file_mode_info(struct ksmbd_file *fp, + struct smb2_file_mode_info *file_info) { - struct smb2_file_mode_info *file_info; __le32 mode; - file_info = (struct smb2_file_mode_info *)buf; mode = file_info->Mode; if ((mode & ~FILE_MODE_INFO_MASK) || @@ -5737,40 +5772,74 @@ static int set_file_mode_info(struct ksmbd_file *fp, char *buf) * TODO: need to implement an error handling for STATUS_INFO_LENGTH_MISMATCH */ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, - int info_class, char *buf, + struct smb2_set_info_req *req, struct ksmbd_share_config *share) { - switch (info_class) { + unsigned int buf_len = le32_to_cpu(req->BufferLength); + + switch (req->FileInfoClass) { case FILE_BASIC_INFORMATION: - return set_file_basic_info(fp, buf, share); + { + if (buf_len < sizeof(struct smb2_file_basic_info)) + return -EINVAL; + return set_file_basic_info(fp, (struct smb2_file_basic_info *)req->Buffer, share); + } case FILE_ALLOCATION_INFORMATION: - return set_file_allocation_info(work, fp, buf); + { + if (buf_len < sizeof(struct smb2_file_alloc_info)) + return -EINVAL; + return set_file_allocation_info(work, fp, + (struct smb2_file_alloc_info *)req->Buffer); + } case FILE_END_OF_FILE_INFORMATION: - return set_end_of_file_info(work, fp, buf); + { + if (buf_len < sizeof(struct smb2_file_eof_info)) + return -EINVAL; + return set_end_of_file_info(work, fp, + (struct smb2_file_eof_info *)req->Buffer); + } case FILE_RENAME_INFORMATION: + { if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) { ksmbd_debug(SMB, "User does not have write permission\n"); return -EACCES; } - return set_rename_info(work, fp, buf); + if (buf_len < sizeof(struct smb2_file_rename_info)) + return -EINVAL; + + return set_rename_info(work, fp, + (struct smb2_file_rename_info *)req->Buffer, + buf_len); + } case FILE_LINK_INFORMATION: + { + if (buf_len < sizeof(struct smb2_file_link_info)) + return -EINVAL; + return smb2_create_link(work, work->tcon->share_conf, - (struct smb2_file_link_info *)buf, fp->filp, + (struct smb2_file_link_info *)req->Buffer, + buf_len, fp->filp, work->sess->conn->local_nls); - + } case FILE_DISPOSITION_INFORMATION: + { if (!test_tree_conn_flag(work->tcon, KSMBD_TREE_CONN_FLAG_WRITABLE)) { ksmbd_debug(SMB, "User does not have write permission\n"); return -EACCES; } - return set_file_disposition_info(fp, buf); + if (buf_len < sizeof(struct smb2_file_disposition_info)) + return -EINVAL; + + return set_file_disposition_info(fp, + (struct smb2_file_disposition_info *)req->Buffer); + } case FILE_FULL_EA_INFORMATION: { if (!(fp->daccess & FILE_WRITE_EA_LE)) { @@ -5779,18 +5848,29 @@ static int smb2_set_info_file(struct ksmbd_work *work, struct ksmbd_file *fp, return -EACCES; } - return smb2_set_ea((struct smb2_ea_info *)buf, - &fp->filp->f_path); - } + if (buf_len < sizeof(struct smb2_ea_info)) + return -EINVAL; + return smb2_set_ea((struct smb2_ea_info *)req->Buffer, + buf_len, &fp->filp->f_path); + } case FILE_POSITION_INFORMATION: - return set_file_position_info(fp, buf); + { + if (buf_len < sizeof(struct smb2_file_pos_info)) + return -EINVAL; + return set_file_position_info(fp, (struct smb2_file_pos_info *)req->Buffer); + } case FILE_MODE_INFORMATION: - return set_file_mode_info(fp, buf); + { + if (buf_len < sizeof(struct smb2_file_mode_info)) + return -EINVAL; + + return set_file_mode_info(fp, (struct smb2_file_mode_info *)req->Buffer); + } } - pr_err("Unimplemented Fileinfoclass :%d\n", info_class); + pr_err("Unimplemented Fileinfoclass :%d\n", req->FileInfoClass); return -EOPNOTSUPP; } @@ -5851,8 +5931,7 @@ int smb2_set_info(struct ksmbd_work *work) switch (req->InfoType) { case SMB2_O_INFO_FILE: ksmbd_debug(SMB, "GOT SMB2_O_INFO_FILE\n"); - rc = smb2_set_info_file(work, fp, req->FileInfoClass, - req->Buffer, work->tcon->share_conf); + rc = smb2_set_info_file(work, fp, req, work->tcon->share_conf); break; case SMB2_O_INFO_SECURITY: ksmbd_debug(SMB, "GOT SMB2_O_INFO_SECURITY\n"); @@ -5879,7 +5958,7 @@ int smb2_set_info(struct ksmbd_work *work) return 0; err_out: - if (rc == -EACCES || rc == -EPERM) + if (rc == -EACCES || rc == -EPERM || rc == -EXDEV) rsp->hdr.Status = STATUS_ACCESS_DENIED; else if (rc == -EINVAL) rsp->hdr.Status = STATUS_INVALID_PARAMETER; @@ -8206,7 +8285,8 @@ void smb3_preauth_hash_rsp(struct ksmbd_work *work) WORK_BUFFERS(work, req, rsp); - if (le16_to_cpu(req->Command) == SMB2_NEGOTIATE_HE) + if (le16_to_cpu(req->Command) == SMB2_NEGOTIATE_HE && + conn->preauth_info) ksmbd_gen_preauth_integrity_hash(conn, (char *)rsp, conn->preauth_info->Preauth_HashValue); @@ -8310,31 +8390,29 @@ int smb3_decrypt_req(struct ksmbd_work *work) struct smb2_hdr *hdr; unsigned int pdu_length = get_rfc1002_len(buf); struct kvec iov[2]; - unsigned int buf_data_size = pdu_length + 4 - + int buf_data_size = pdu_length + 4 - sizeof(struct smb2_transform_hdr); struct smb2_transform_hdr *tr_hdr = (struct smb2_transform_hdr *)buf; - unsigned int orig_len = le32_to_cpu(tr_hdr->OriginalMessageSize); int rc = 0; - sess = ksmbd_session_lookup_all(conn, le64_to_cpu(tr_hdr->SessionId)); - if (!sess) { - pr_err("invalid session id(%llx) in transform header\n", - le64_to_cpu(tr_hdr->SessionId)); - return -ECONNABORTED; - } - - if (pdu_length + 4 < - sizeof(struct smb2_transform_hdr) + sizeof(struct smb2_hdr)) { + if (buf_data_size < sizeof(struct smb2_hdr)) { pr_err("Transform message is too small (%u)\n", pdu_length); return -ECONNABORTED; } - if (pdu_length + 4 < orig_len + sizeof(struct smb2_transform_hdr)) { + if (buf_data_size < le32_to_cpu(tr_hdr->OriginalMessageSize)) { pr_err("Transform message is broken\n"); return -ECONNABORTED; } + sess = ksmbd_session_lookup_all(conn, le64_to_cpu(tr_hdr->SessionId)); + if (!sess) { + pr_err("invalid session id(%llx) in transform header\n", + le64_to_cpu(tr_hdr->SessionId)); + return -ECONNABORTED; + } + iov[0].iov_base = buf; iov[0].iov_len = sizeof(struct smb2_transform_hdr); iov[1].iov_base = buf + sizeof(struct smb2_transform_hdr); diff --git a/fs/ksmbd/smb2pdu.h b/fs/ksmbd/smb2pdu.h index bcec845b03f3..a6dec5ec6a54 100644 --- a/fs/ksmbd/smb2pdu.h +++ b/fs/ksmbd/smb2pdu.h @@ -1464,6 +1464,15 @@ struct smb2_file_all_info { /* data block encoding of response to level 18 */ char FileName[1]; } __packed; /* level 18 Query */ +struct smb2_file_basic_info { /* data block encoding of response to level 18 */ + __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */ + __le64 LastAccessTime; + __le64 LastWriteTime; + __le64 ChangeTime; + __le32 Attributes; + __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */ +} __packed; + struct smb2_file_alt_name_info { __le32 FileNameLength; char FileName[0]; @@ -1628,7 +1637,6 @@ struct smb2_posix_info { } __packed; /* functions */ -int init_smb2_0_server(struct ksmbd_conn *conn); void init_smb2_1_server(struct ksmbd_conn *conn); void init_smb3_0_server(struct ksmbd_conn *conn); void init_smb3_02_server(struct ksmbd_conn *conn); diff --git a/fs/ksmbd/smb_common.c b/fs/ksmbd/smb_common.c index 43d3123d8b62..707490ab1f4c 100644 --- a/fs/ksmbd/smb_common.c +++ b/fs/ksmbd/smb_common.c @@ -21,7 +21,6 @@ static const char basechars[43] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_-!@#$%"; #define MAGIC_CHAR '~' #define PERIOD '.' #define mangle(V) ((char)(basechars[(V) % MANGLE_BASE])) -#define KSMBD_MIN_SUPPORTED_HEADER_SIZE (sizeof(struct smb2_hdr)) struct smb_protocol { int index; @@ -89,7 +88,7 @@ unsigned int ksmbd_server_side_copy_max_total_size(void) inline int ksmbd_min_protocol(void) { - return SMB2_PROT; + return SMB21_PROT; } inline int ksmbd_max_protocol(void) @@ -129,16 +128,22 @@ int ksmbd_lookup_protocol_idx(char *str) * * check for valid smb signature and packet direction(request/response) * - * Return: 0 on success, otherwise 1 + * Return: 0 on success, otherwise -EINVAL */ int ksmbd_verify_smb_message(struct ksmbd_work *work) { - struct smb2_hdr *smb2_hdr = work->request_buf; + struct smb2_hdr *smb2_hdr = work->request_buf + work->next_smb2_rcv_hdr_off; + struct smb_hdr *hdr; if (smb2_hdr->ProtocolId == SMB2_PROTO_NUMBER) return ksmbd_smb2_check_message(work); - return 0; + hdr = work->request_buf; + if (*(__le32 *)hdr->Protocol == SMB1_PROTO_NUMBER && + hdr->Command == SMB_COM_NEGOTIATE) + return 0; + + return -EINVAL; } /** @@ -149,20 +154,7 @@ int ksmbd_verify_smb_message(struct ksmbd_work *work) */ bool ksmbd_smb_request(struct ksmbd_conn *conn) { - int type = *(char *)conn->request_buf; - - switch (type) { - case RFC1002_SESSION_MESSAGE: - /* Regular SMB request */ - return true; - case RFC1002_SESSION_KEEP_ALIVE: - ksmbd_debug(SMB, "RFC 1002 session keep alive\n"); - break; - default: - ksmbd_debug(SMB, "RFC 1002 unknown request type 0x%x\n", type); - } - - return false; + return conn->request_buf[0] == 0; } static bool supported_protocol(int idx) @@ -176,10 +168,12 @@ static bool supported_protocol(int idx) idx <= server_conf.max_protocol); } -static char *next_dialect(char *dialect, int *next_off) +static char *next_dialect(char *dialect, int *next_off, int bcount) { dialect = dialect + *next_off; - *next_off = strlen(dialect); + *next_off = strnlen(dialect, bcount); + if (dialect[*next_off] != '\0') + return NULL; return dialect; } @@ -194,7 +188,9 @@ static int ksmbd_lookup_dialect_by_name(char *cli_dialects, __le16 byte_count) dialect = cli_dialects; bcount = le16_to_cpu(byte_count); do { - dialect = next_dialect(dialect, &next); + dialect = next_dialect(dialect, &next, bcount); + if (!dialect) + break; ksmbd_debug(SMB, "client requested dialect %s\n", dialect); if (!strcmp(dialect, smb1_protos[i].name)) { @@ -242,13 +238,22 @@ int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count) static int ksmbd_negotiate_smb_dialect(void *buf) { - __le32 proto; + int smb_buf_length = get_rfc1002_len(buf); + __le32 proto = ((struct smb2_hdr *)buf)->ProtocolId; - proto = ((struct smb2_hdr *)buf)->ProtocolId; if (proto == SMB2_PROTO_NUMBER) { struct smb2_negotiate_req *req; + int smb2_neg_size = + offsetof(struct smb2_negotiate_req, Dialects) - 4; req = (struct smb2_negotiate_req *)buf; + if (smb2_neg_size > smb_buf_length) + goto err_out; + + if (smb2_neg_size + le16_to_cpu(req->DialectCount) * sizeof(__le16) > + smb_buf_length) + goto err_out; + return ksmbd_lookup_dialect_by_id(req->Dialects, req->DialectCount); } @@ -258,14 +263,22 @@ static int ksmbd_negotiate_smb_dialect(void *buf) struct smb_negotiate_req *req; req = (struct smb_negotiate_req *)buf; + if (le16_to_cpu(req->ByteCount) < 2) + goto err_out; + + if (offsetof(struct smb_negotiate_req, DialectsArray) - 4 + + le16_to_cpu(req->ByteCount) > smb_buf_length) { + goto err_out; + } + return ksmbd_lookup_dialect_by_name(req->DialectsArray, req->ByteCount); } +err_out: return BAD_PROT_ID; } -#define SMB_COM_NEGOTIATE 0x72 int ksmbd_init_smb_server(struct ksmbd_work *work) { struct ksmbd_conn *conn = work->conn; @@ -280,11 +293,6 @@ int ksmbd_init_smb_server(struct ksmbd_work *work) return 0; } -bool ksmbd_pdu_size_has_room(unsigned int pdu) -{ - return (pdu >= KSMBD_MIN_SUPPORTED_HEADER_SIZE - 4); -} - int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, struct ksmbd_file *dir, struct ksmbd_dir_info *d_info, @@ -419,7 +427,7 @@ int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname, static int __smb2_negotiate(struct ksmbd_conn *conn) { - return (conn->dialect >= SMB20_PROT_ID && + return (conn->dialect >= SMB21_PROT_ID && conn->dialect <= SMB311_PROT_ID); } @@ -449,7 +457,7 @@ int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command) } } - if (command == SMB2_NEGOTIATE_HE) { + if (command == SMB2_NEGOTIATE_HE && __smb2_negotiate(conn)) { ret = smb2_handle_negotiate(work); init_smb2_neg_rsp(work); return ret; diff --git a/fs/ksmbd/smb_common.h b/fs/ksmbd/smb_common.h index 57c667c1be06..6e79e7577f6b 100644 --- a/fs/ksmbd/smb_common.h +++ b/fs/ksmbd/smb_common.h @@ -48,13 +48,7 @@ #define CIFS_DEFAULT_IOSIZE (64 * 1024) #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ -/* RFC 1002 session packet types */ -#define RFC1002_SESSION_MESSAGE 0x00 -#define RFC1002_SESSION_REQUEST 0x81 -#define RFC1002_POSITIVE_SESSION_RESPONSE 0x82 -#define RFC1002_NEGATIVE_SESSION_RESPONSE 0x83 -#define RFC1002_RETARGET_SESSION_RESPONSE 0x84 -#define RFC1002_SESSION_KEEP_ALIVE 0x85 +#define MAX_STREAM_PROT_LEN 0x00FFFFFF /* Responses when opening a file. */ #define F_SUPERSEDED 0 @@ -210,6 +204,7 @@ FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES) #define SMB1_PROTO_NUMBER cpu_to_le32(0x424d53ff) +#define SMB_COM_NEGOTIATE 0x72 #define SMB1_CLIENT_GUID_SIZE (16) struct smb_hdr { @@ -500,8 +495,6 @@ int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count); int ksmbd_init_smb_server(struct ksmbd_work *work); -bool ksmbd_pdu_size_has_room(unsigned int pdu); - struct ksmbd_kstat; int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, diff --git a/fs/ksmbd/smbacl.c b/fs/ksmbd/smbacl.c index 0a95cdec8c80..bd792db32623 100644 --- a/fs/ksmbd/smbacl.c +++ b/fs/ksmbd/smbacl.c @@ -380,7 +380,7 @@ static void parse_dacl(struct user_namespace *user_ns, { int i, ret; int num_aces = 0; - int acl_size; + unsigned int acl_size; char *acl_base; struct smb_ace **ppace; struct posix_acl_entry *cf_pace, *cf_pdace; @@ -392,7 +392,7 @@ static void parse_dacl(struct user_namespace *user_ns, return; /* validate that we do not go past end of acl */ - if (end_of_acl <= (char *)pdacl || + if (end_of_acl < (char *)pdacl + sizeof(struct smb_acl) || end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) { pr_err("ACL too small to parse DACL\n"); return; @@ -431,8 +431,22 @@ static void parse_dacl(struct user_namespace *user_ns, * user/group/other have no permissions */ for (i = 0; i < num_aces; ++i) { + if (end_of_acl - acl_base < acl_size) + break; + ppace[i] = (struct smb_ace *)(acl_base + acl_size); acl_base = (char *)ppace[i]; + acl_size = offsetof(struct smb_ace, sid) + + offsetof(struct smb_sid, sub_auth); + + if (end_of_acl - acl_base < acl_size || + ppace[i]->sid.num_subauth > SID_MAX_SUB_AUTHORITIES || + (end_of_acl - acl_base < + acl_size + sizeof(__le32) * ppace[i]->sid.num_subauth) || + (le16_to_cpu(ppace[i]->size) < + acl_size + sizeof(__le32) * ppace[i]->sid.num_subauth)) + break; + acl_size = le16_to_cpu(ppace[i]->size); ppace[i]->access_req = smb_map_generic_desired_access(ppace[i]->access_req); @@ -807,6 +821,9 @@ int parse_sec_desc(struct user_namespace *user_ns, struct smb_ntsd *pntsd, if (!pntsd) return -EIO; + if (acl_len < sizeof(struct smb_ntsd)) + return -EINVAL; + owner_sid_ptr = (struct smb_sid *)((char *)pntsd + le32_to_cpu(pntsd->osidoffset)); group_sid_ptr = (struct smb_sid *)((char *)pntsd + diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index 52b2556e76b1..3a7fa23ba850 100644 --- a/fs/ksmbd/transport_rdma.c +++ b/fs/ksmbd/transport_rdma.c @@ -20,7 +20,6 @@ #define SUBMOD_NAME "smb_direct" #include <linux/kthread.h> -#include <linux/rwlock.h> #include <linux/list.h> #include <linux/mempool.h> #include <linux/highmem.h> diff --git a/fs/ksmbd/transport_tcp.c b/fs/ksmbd/transport_tcp.c index dc15a5ecd2e0..c14320e03b69 100644 --- a/fs/ksmbd/transport_tcp.c +++ b/fs/ksmbd/transport_tcp.c @@ -215,7 +215,7 @@ out_error: * ksmbd_kthread_fn() - listen to new SMB connections and callback server * @p: arguments to forker thread * - * Return: Returns a task_struct or ERR_PTR + * Return: 0 on success, error number otherwise */ static int ksmbd_kthread_fn(void *p) { @@ -387,7 +387,7 @@ static void tcp_destroy_socket(struct socket *ksmbd_socket) /** * create_socket - create socket for ksmbd/0 * - * Return: Returns a task_struct or ERR_PTR + * Return: 0 on success, error number otherwise */ static int create_socket(struct interface *iface) { diff --git a/fs/ksmbd/vfs.c b/fs/ksmbd/vfs.c index b047f2980d96..b41954294d38 100644 --- a/fs/ksmbd/vfs.c +++ b/fs/ksmbd/vfs.c @@ -19,6 +19,8 @@ #include <linux/sched/xacct.h> #include <linux/crc32c.h> +#include "../internal.h" /* for vfs_path_lookup */ + #include "glob.h" #include "oplock.h" #include "connection.h" @@ -44,7 +46,6 @@ static char *extract_last_component(char *path) p++; } else { p = NULL; - pr_err("Invalid path %s\n", path); } return p; } @@ -155,7 +156,7 @@ int ksmbd_vfs_query_maximal_access(struct user_namespace *user_ns, /** * ksmbd_vfs_create() - vfs helper for smb create file * @work: work - * @name: file name + * @name: file name that is relative to share * @mode: file create mode * * Return: 0 on success, otherwise error @@ -166,7 +167,8 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode) struct dentry *dentry; int err; - dentry = kern_path_create(AT_FDCWD, name, &path, 0); + dentry = ksmbd_vfs_kern_path_create(work, name, + LOOKUP_NO_SYMLINKS, &path); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); if (err != -ENOENT) @@ -191,7 +193,7 @@ int ksmbd_vfs_create(struct ksmbd_work *work, const char *name, umode_t mode) /** * ksmbd_vfs_mkdir() - vfs helper for smb create directory * @work: work - * @name: directory name + * @name: directory name that is relative to share * @mode: directory create mode * * Return: 0 on success, otherwise error @@ -203,7 +205,9 @@ int ksmbd_vfs_mkdir(struct ksmbd_work *work, const char *name, umode_t mode) struct dentry *dentry; int err; - dentry = kern_path_create(AT_FDCWD, name, &path, LOOKUP_DIRECTORY); + dentry = ksmbd_vfs_kern_path_create(work, name, + LOOKUP_NO_SYMLINKS | LOOKUP_DIRECTORY, + &path); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); if (err != -EEXIST) @@ -578,7 +582,7 @@ int ksmbd_vfs_fsync(struct ksmbd_work *work, u64 fid, u64 p_id) /** * ksmbd_vfs_remove_file() - vfs helper for smb rmdir or unlink - * @name: absolute directory or file name + * @name: directory or file name that is relative to share * * Return: 0 on success, otherwise error */ @@ -588,16 +592,11 @@ int ksmbd_vfs_remove_file(struct ksmbd_work *work, char *name) struct path path; struct dentry *parent; int err; - int flags = 0; if (ksmbd_override_fsids(work)) return -ENOMEM; - if (test_share_config_flag(work->tcon->share_conf, - KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS)) - flags = LOOKUP_FOLLOW; - - err = kern_path(name, flags, &path); + err = ksmbd_vfs_kern_path(work, name, LOOKUP_NO_SYMLINKS, &path, false); if (err) { ksmbd_debug(VFS, "can't get %s, err %d\n", name, err); ksmbd_revert_fsids(work); @@ -642,7 +641,7 @@ out_err: /** * ksmbd_vfs_link() - vfs helper for creating smb hardlink * @oldname: source file name - * @newname: hardlink name + * @newname: hardlink name that is relative to share * * Return: 0 on success, otherwise error */ @@ -652,24 +651,20 @@ int ksmbd_vfs_link(struct ksmbd_work *work, const char *oldname, struct path oldpath, newpath; struct dentry *dentry; int err; - int flags = 0; if (ksmbd_override_fsids(work)) return -ENOMEM; - if (test_share_config_flag(work->tcon->share_conf, - KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS)) - flags = LOOKUP_FOLLOW; - - err = kern_path(oldname, flags, &oldpath); + err = kern_path(oldname, LOOKUP_NO_SYMLINKS, &oldpath); if (err) { pr_err("cannot get linux path for %s, err = %d\n", oldname, err); goto out1; } - dentry = kern_path_create(AT_FDCWD, newname, &newpath, - flags | LOOKUP_REVAL); + dentry = ksmbd_vfs_kern_path_create(work, newname, + LOOKUP_NO_SYMLINKS | LOOKUP_REVAL, + &newpath); if (IS_ERR(dentry)) { err = PTR_ERR(dentry); pr_err("path create err for %s, err %d\n", newname, err); @@ -788,21 +783,19 @@ int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp, struct dentry *src_dent, *trap_dent, *src_child; char *dst_name; int err; - int flags; dst_name = extract_last_component(newname); - if (!dst_name) - return -EINVAL; + if (!dst_name) { + dst_name = newname; + newname = ""; + } src_dent_parent = dget_parent(fp->filp->f_path.dentry); src_dent = fp->filp->f_path.dentry; - flags = LOOKUP_DIRECTORY; - if (test_share_config_flag(work->tcon->share_conf, - KSMBD_SHARE_FLAG_FOLLOW_SYMLINKS)) - flags |= LOOKUP_FOLLOW; - - err = kern_path(newname, flags, &dst_path); + err = ksmbd_vfs_kern_path(work, newname, + LOOKUP_NO_SYMLINKS | LOOKUP_DIRECTORY, + &dst_path, false); if (err) { ksmbd_debug(VFS, "Cannot get path for %s [%d]\n", newname, err); goto out; @@ -848,61 +841,43 @@ out: /** * ksmbd_vfs_truncate() - vfs helper for smb file truncate * @work: work - * @name: old filename * @fid: file id of old file * @size: truncate to given size * * Return: 0 on success, otherwise error */ -int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name, +int ksmbd_vfs_truncate(struct ksmbd_work *work, struct ksmbd_file *fp, loff_t size) { - struct path path; int err = 0; + struct file *filp; - if (name) { - err = kern_path(name, 0, &path); - if (err) { - pr_err("cannot get linux path for %s, err %d\n", - name, err); - return err; - } - err = vfs_truncate(&path, size); - if (err) - pr_err("truncate failed for %s err %d\n", - name, err); - path_put(&path); - } else { - struct file *filp; - - filp = fp->filp; - - /* Do we need to break any of a levelII oplock? */ - smb_break_all_levII_oplock(work, fp, 1); + filp = fp->filp; - if (!work->tcon->posix_extensions) { - struct inode *inode = file_inode(filp); + /* Do we need to break any of a levelII oplock? */ + smb_break_all_levII_oplock(work, fp, 1); - if (size < inode->i_size) { - err = check_lock_range(filp, size, - inode->i_size - 1, WRITE); - } else { - err = check_lock_range(filp, inode->i_size, - size - 1, WRITE); - } + if (!work->tcon->posix_extensions) { + struct inode *inode = file_inode(filp); - if (err) { - pr_err("failed due to lock\n"); - return -EAGAIN; - } + if (size < inode->i_size) { + err = check_lock_range(filp, size, + inode->i_size - 1, WRITE); + } else { + err = check_lock_range(filp, inode->i_size, + size - 1, WRITE); } - err = vfs_truncate(&filp->f_path, size); - if (err) - pr_err("truncate failed for filename : %s err %d\n", - fp->filename, err); + if (err) { + pr_err("failed due to lock\n"); + return -EAGAIN; + } } + err = vfs_truncate(&filp->f_path, size); + if (err) + pr_err("truncate failed for filename : %s err %d\n", + fp->filename, err); return err; } @@ -1220,22 +1195,25 @@ static int ksmbd_vfs_lookup_in_dir(struct path *dir, char *name, size_t namelen) /** * ksmbd_vfs_kern_path() - lookup a file and get path info - * @name: name of file for lookup + * @name: file path that is relative to share * @flags: lookup flags * @path: if lookup succeed, return path info * @caseless: caseless filename lookup * * Return: 0 on success, otherwise error */ -int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path, - bool caseless) +int ksmbd_vfs_kern_path(struct ksmbd_work *work, char *name, + unsigned int flags, struct path *path, bool caseless) { + struct ksmbd_share_config *share_conf = work->tcon->share_conf; int err; - if (name[0] != '/') - return -EINVAL; - - err = kern_path(name, flags, path); + flags |= LOOKUP_BENEATH; + err = vfs_path_lookup(share_conf->vfs_path.dentry, + share_conf->vfs_path.mnt, + name, + flags, + path); if (!err) return 0; @@ -1249,11 +1227,10 @@ int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path, return -ENOMEM; path_len = strlen(filepath); - remain_len = path_len - 1; + remain_len = path_len; - err = kern_path("/", flags, &parent); - if (err) - goto out; + parent = share_conf->vfs_path; + path_get(&parent); while (d_can_lookup(parent.dentry)) { char *filename = filepath + path_len - remain_len; @@ -1266,21 +1243,21 @@ int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path, err = ksmbd_vfs_lookup_in_dir(&parent, filename, filename_len); - if (err) { - path_put(&parent); + path_put(&parent); + if (err) goto out; - } - path_put(&parent); next[0] = '\0'; - err = kern_path(filepath, flags, &parent); + err = vfs_path_lookup(share_conf->vfs_path.dentry, + share_conf->vfs_path.mnt, + filepath, + flags, + &parent); if (err) goto out; - - if (is_last) { - path->mnt = parent.mnt; - path->dentry = parent.dentry; + else if (is_last) { + *path = parent; goto out; } @@ -1296,6 +1273,23 @@ out: return err; } +struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work, + const char *name, + unsigned int flags, + struct path *path) +{ + char *abs_name; + struct dentry *dent; + + abs_name = convert_to_unix_name(work->tcon->share_conf, name); + if (!abs_name) + return ERR_PTR(-ENOMEM); + + dent = kern_path_create(AT_FDCWD, abs_name, path, flags); + kfree(abs_name); + return dent; +} + int ksmbd_vfs_remove_acl_xattrs(struct user_namespace *user_ns, struct dentry *dentry) { diff --git a/fs/ksmbd/vfs.h b/fs/ksmbd/vfs.h index 85db50abdb24..7b1dcaa3fbdc 100644 --- a/fs/ksmbd/vfs.h +++ b/fs/ksmbd/vfs.h @@ -126,7 +126,7 @@ int ksmbd_vfs_link(struct ksmbd_work *work, int ksmbd_vfs_getattr(struct path *path, struct kstat *stat); int ksmbd_vfs_fp_rename(struct ksmbd_work *work, struct ksmbd_file *fp, char *newname); -int ksmbd_vfs_truncate(struct ksmbd_work *work, const char *name, +int ksmbd_vfs_truncate(struct ksmbd_work *work, struct ksmbd_file *fp, loff_t size); struct srv_copychunk; int ksmbd_vfs_copy_file_ranges(struct ksmbd_work *work, @@ -152,8 +152,13 @@ int ksmbd_vfs_xattr_stream_name(char *stream_name, char **xattr_stream_name, size_t *xattr_stream_name_size, int s_type); int ksmbd_vfs_remove_xattr(struct user_namespace *user_ns, struct dentry *dentry, char *attr_name); -int ksmbd_vfs_kern_path(char *name, unsigned int flags, struct path *path, +int ksmbd_vfs_kern_path(struct ksmbd_work *work, + char *name, unsigned int flags, struct path *path, bool caseless); +struct dentry *ksmbd_vfs_kern_path_create(struct ksmbd_work *work, + const char *name, + unsigned int flags, + struct path *path); int ksmbd_vfs_empty_dir(struct ksmbd_file *fp); void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option); int ksmbd_vfs_zero_data(struct ksmbd_work *work, struct ksmbd_file *fp, diff --git a/fs/lockd/svcxdr.h b/fs/lockd/svcxdr.h index c69a0bb76c94..4f1a451da5ba 100644 --- a/fs/lockd/svcxdr.h +++ b/fs/lockd/svcxdr.h @@ -134,18 +134,9 @@ svcxdr_decode_owner(struct xdr_stream *xdr, struct xdr_netobj *obj) static inline bool svcxdr_encode_owner(struct xdr_stream *xdr, const struct xdr_netobj *obj) { - unsigned int quadlen = XDR_QUADLEN(obj->len); - __be32 *p; - - if (xdr_stream_encode_u32(xdr, obj->len) < 0) - return false; - p = xdr_reserve_space(xdr, obj->len); - if (!p) + if (obj->len > XDR_MAX_NETOBJ) return false; - p[quadlen - 1] = 0; /* XDR pad */ - memcpy(p, obj->data, obj->len); - - return true; + return xdr_stream_encode_opaque(xdr, obj->data, obj->len) > 0; } #endif /* _LOCKD_SVCXDR_H_ */ diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 0b6cd3b8734c..994ec22d4040 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -150,7 +150,7 @@ static void netfs_clear_unread(struct netfs_read_subrequest *subreq) { struct iov_iter iter; - iov_iter_xarray(&iter, WRITE, &subreq->rreq->mapping->i_pages, + iov_iter_xarray(&iter, READ, &subreq->rreq->mapping->i_pages, subreq->start + subreq->transferred, subreq->len - subreq->transferred); iov_iter_zero(iov_iter_count(&iter), &iter); diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c index edec45831585..0a9b72685f98 100644 --- a/fs/nfs_common/grace.c +++ b/fs/nfs_common/grace.c @@ -42,7 +42,6 @@ EXPORT_SYMBOL_GPL(locks_start_grace); /** * locks_end_grace - * @net: net namespace that this lock manager belongs to * @lm: who this grace period is for * * Call this function to state that the given lock manager is ready to diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 7629248fdd53..be3c1aad50ea 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -542,7 +542,7 @@ nfsd_file_close_inode_sync(struct inode *inode) } /** - * nfsd_file_close_inode_sync - attempt to forcibly close a nfsd_file + * nfsd_file_close_inode - attempt a delayed close of a nfsd_file * @inode: inode of the file to attempt to remove * * Walk the whole hash bucket, looking for any files that correspond to "inode". diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 42356416f0a0..3f4027a5de88 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3570,7 +3570,7 @@ static struct nfsd4_conn *__nfsd4_find_conn(struct svc_xprt *xpt, struct nfsd4_s } static __be32 nfsd4_match_existing_connection(struct svc_rqst *rqst, - struct nfsd4_session *session, u32 req) + struct nfsd4_session *session, u32 req, struct nfsd4_conn **conn) { struct nfs4_client *clp = session->se_client; struct svc_xprt *xpt = rqst->rq_xprt; @@ -3593,6 +3593,8 @@ static __be32 nfsd4_match_existing_connection(struct svc_rqst *rqst, else status = nfserr_inval; spin_unlock(&clp->cl_lock); + if (status == nfs_ok && conn) + *conn = c; return status; } @@ -3617,8 +3619,16 @@ __be32 nfsd4_bind_conn_to_session(struct svc_rqst *rqstp, status = nfserr_wrong_cred; if (!nfsd4_mach_creds_match(session->se_client, rqstp)) goto out; - status = nfsd4_match_existing_connection(rqstp, session, bcts->dir); - if (status == nfs_ok || status == nfserr_inval) + status = nfsd4_match_existing_connection(rqstp, session, + bcts->dir, &conn); + if (status == nfs_ok) { + if (bcts->dir == NFS4_CDFC4_FORE_OR_BOTH || + bcts->dir == NFS4_CDFC4_BACK) + conn->cn_flags |= NFS4_CDFC4_BACK; + nfsd4_probe_callback(session->se_client); + goto out; + } + if (status == nfserr_inval) goto out; status = nfsd4_map_bcts_dir(&bcts->dir); if (status) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 7abeccb975b2..cf030ebe2827 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3544,15 +3544,18 @@ nfsd4_encode_dirent(void *ccdv, const char *name, int namlen, goto fail; cd->rd_maxcount -= entry_bytes; /* - * RFC 3530 14.2.24 describes rd_dircount as only a "hint", so - * let's always let through the first entry, at least: + * RFC 3530 14.2.24 describes rd_dircount as only a "hint", and + * notes that it could be zero. If it is zero, then the server + * should enforce only the rd_maxcount value. */ - if (!cd->rd_dircount) - goto fail; - name_and_cookie = 4 + 4 * XDR_QUADLEN(namlen) + 8; - if (name_and_cookie > cd->rd_dircount && cd->cookie_offset) - goto fail; - cd->rd_dircount -= min(cd->rd_dircount, name_and_cookie); + if (cd->rd_dircount) { + name_and_cookie = 4 + 4 * XDR_QUADLEN(namlen) + 8; + if (name_and_cookie > cd->rd_dircount && cd->cookie_offset) + goto fail; + cd->rd_dircount -= min(cd->rd_dircount, name_and_cookie); + if (!cd->rd_dircount) + cd->rd_maxcount = 0; + } cd->cookie_offset = cookie_offset; skip_entry: diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index c2c3d9077dc5..070e5dd03e26 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -793,7 +793,10 @@ out_close: svc_xprt_put(xprt); } out_err: - nfsd_destroy(net); + if (!list_empty(&nn->nfsd_serv->sv_permsocks)) + nn->nfsd_serv->sv_nrthreads--; + else + nfsd_destroy(net); return err; } @@ -1545,7 +1548,7 @@ static int __init init_nfsd(void) goto out_free_all; return 0; out_free_all: - unregister_pernet_subsys(&nfsd_net_ops); + unregister_filesystem(&nfsd_fs_type); out_free_exports: remove_proc_entry("fs/nfs/exports", NULL); remove_proc_entry("fs/nfs", NULL); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 359524b7341f..801e60bab955 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -3951,7 +3951,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres, oi = OCFS2_I(inode); oi->ip_dir_lock_gen++; mlog(0, "generation: %u\n", oi->ip_dir_lock_gen); - goto out; + goto out_forget; } if (!S_ISREG(inode->i_mode)) @@ -3982,6 +3982,7 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres, filemap_fdatawait(mapping); } +out_forget: forget_all_cached_acls(inode); out: diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 1fefb2b8960e..93c7c267de93 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -1219,9 +1219,13 @@ static int ovl_rename(struct user_namespace *mnt_userns, struct inode *olddir, goto out_dput; } } else { - if (!d_is_negative(newdentry) && - (!new_opaque || !ovl_is_whiteout(newdentry))) - goto out_dput; + if (!d_is_negative(newdentry)) { + if (!new_opaque || !ovl_is_whiteout(newdentry)) + goto out_dput; + } else { + if (flags & RENAME_EXCHANGE) + goto out_dput; + } } if (olddentry == trap) diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c index d081faa55e83..c88ac571593d 100644 --- a/fs/overlayfs/file.c +++ b/fs/overlayfs/file.c @@ -296,6 +296,12 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter) if (ret) return ret; + ret = -EINVAL; + if (iocb->ki_flags & IOCB_DIRECT && + (!real.file->f_mapping->a_ops || + !real.file->f_mapping->a_ops->direct_IO)) + goto out_fdput; + old_cred = ovl_override_creds(file_inode(file)->i_sb); if (is_sync_kiocb(iocb)) { ret = vfs_iter_read(real.file, iter, &iocb->ki_pos, @@ -320,7 +326,7 @@ static ssize_t ovl_read_iter(struct kiocb *iocb, struct iov_iter *iter) out: revert_creds(old_cred); ovl_file_accessed(file); - +out_fdput: fdput(real); return ret; @@ -349,6 +355,12 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) if (ret) goto out_unlock; + ret = -EINVAL; + if (iocb->ki_flags & IOCB_DIRECT && + (!real.file->f_mapping->a_ops || + !real.file->f_mapping->a_ops->direct_IO)) + goto out_fdput; + if (!ovl_should_sync(OVL_FS(inode->i_sb))) ifl &= ~(IOCB_DSYNC | IOCB_SYNC); @@ -384,6 +396,7 @@ static ssize_t ovl_write_iter(struct kiocb *iocb, struct iov_iter *iter) } out: revert_creds(old_cred); +out_fdput: fdput(real); out_unlock: diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c index a6ee23aadd28..66645a5a35f3 100644 --- a/fs/qnx4/dir.c +++ b/fs/qnx4/dir.c @@ -15,13 +15,48 @@ #include <linux/buffer_head.h> #include "qnx4.h" +/* + * A qnx4 directory entry is an inode entry or link info + * depending on the status field in the last byte. The + * first byte is where the name start either way, and a + * zero means it's empty. + * + * Also, due to a bug in gcc, we don't want to use the + * real (differently sized) name arrays in the inode and + * link entries, but always the 'de_name[]' one in the + * fake struct entry. + * + * See + * + * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c6 + * + * for details, but basically gcc will take the size of the + * 'name' array from one of the used union entries randomly. + * + * This use of 'de_name[]' (48 bytes) avoids the false positive + * warnings that would happen if gcc decides to use 'inode.di_name' + * (16 bytes) even when the pointer and size were to come from + * 'link.dl_name' (48 bytes). + * + * In all cases the actual name pointer itself is the same, it's + * only the gcc internal 'what is the size of this field' logic + * that can get confused. + */ +union qnx4_directory_entry { + struct { + const char de_name[48]; + u8 de_pad[15]; + u8 de_status; + }; + struct qnx4_inode_entry inode; + struct qnx4_link_info link; +}; + static int qnx4_readdir(struct file *file, struct dir_context *ctx) { struct inode *inode = file_inode(file); unsigned int offset; struct buffer_head *bh; - struct qnx4_inode_entry *de; - struct qnx4_link_info *le; unsigned long blknum; int ix, ino; int size; @@ -38,27 +73,27 @@ static int qnx4_readdir(struct file *file, struct dir_context *ctx) } ix = (ctx->pos >> QNX4_DIR_ENTRY_SIZE_BITS) % QNX4_INODES_PER_BLOCK; for (; ix < QNX4_INODES_PER_BLOCK; ix++, ctx->pos += QNX4_DIR_ENTRY_SIZE) { + union qnx4_directory_entry *de; + offset = ix * QNX4_DIR_ENTRY_SIZE; - de = (struct qnx4_inode_entry *) (bh->b_data + offset); - if (!de->di_fname[0]) + de = (union qnx4_directory_entry *) (bh->b_data + offset); + + if (!de->de_name[0]) continue; - if (!(de->di_status & (QNX4_FILE_USED|QNX4_FILE_LINK))) + if (!(de->de_status & (QNX4_FILE_USED|QNX4_FILE_LINK))) continue; - if (!(de->di_status & QNX4_FILE_LINK)) - size = QNX4_SHORT_NAME_MAX; - else - size = QNX4_NAME_MAX; - size = strnlen(de->di_fname, size); - QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, de->di_fname)); - if (!(de->di_status & QNX4_FILE_LINK)) + if (!(de->de_status & QNX4_FILE_LINK)) { + size = sizeof(de->inode.di_fname); ino = blknum * QNX4_INODES_PER_BLOCK + ix - 1; - else { - le = (struct qnx4_link_info*)de; - ino = ( le32_to_cpu(le->dl_inode_blk) - 1 ) * + } else { + size = sizeof(de->link.dl_fname); + ino = ( le32_to_cpu(de->link.dl_inode_blk) - 1 ) * QNX4_INODES_PER_BLOCK + - le->dl_inode_ndx; + de->link.dl_inode_ndx; } - if (!dir_emit(ctx, de->di_fname, size, ino, DT_UNKNOWN)) { + size = strnlen(de->de_name, size); + QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, name)); + if (!dir_emit(ctx, de->de_name, size, ino, DT_UNKNOWN)) { brelse(bh); return 0; } diff --git a/fs/smbfs_common/smbfsctl.h b/fs/smbfs_common/smbfsctl.h index d01e8c9d7a31..926f87cd6af0 100644 --- a/fs/smbfs_common/smbfsctl.h +++ b/fs/smbfs_common/smbfsctl.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: LGPL-2.1+ */ /* - * fs/cifs/smbfsctl.h: SMB, CIFS, SMB2 FSCTL definitions + * SMB, CIFS, SMB2 FSCTL definitions * * Copyright (c) International Business Machines Corp., 2002,2013 * Author(s): Steve French (sfrench@us.ibm.com) diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c index 4f5e59f06284..37dd3fe5b1e9 100644 --- a/fs/vboxsf/super.c +++ b/fs/vboxsf/super.c @@ -21,10 +21,7 @@ #define VBOXSF_SUPER_MAGIC 0x786f4256 /* 'VBox' little endian */ -#define VBSF_MOUNT_SIGNATURE_BYTE_0 ('\000') -#define VBSF_MOUNT_SIGNATURE_BYTE_1 ('\377') -#define VBSF_MOUNT_SIGNATURE_BYTE_2 ('\376') -#define VBSF_MOUNT_SIGNATURE_BYTE_3 ('\375') +static const unsigned char VBSF_MOUNT_SIGNATURE[4] = "\000\377\376\375"; static int follow_symlinks; module_param(follow_symlinks, int, 0444); @@ -386,12 +383,7 @@ fail_nomem: static int vboxsf_parse_monolithic(struct fs_context *fc, void *data) { - unsigned char *options = data; - - if (options && options[0] == VBSF_MOUNT_SIGNATURE_BYTE_0 && - options[1] == VBSF_MOUNT_SIGNATURE_BYTE_1 && - options[2] == VBSF_MOUNT_SIGNATURE_BYTE_2 && - options[3] == VBSF_MOUNT_SIGNATURE_BYTE_3) { + if (data && !memcmp(data, VBSF_MOUNT_SIGNATURE, 4)) { vbg_err("vboxsf: Old binary mount data not supported, remove obsolete mount.vboxsf and/or update your VBoxService.\n"); return -EINVAL; } diff --git a/fs/verity/enable.c b/fs/verity/enable.c index 77e159a0346b..60a4372aa4d7 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -177,7 +177,7 @@ static int build_merkle_tree(struct file *filp, * (level 0) and ascending to the root node (level 'num_levels - 1'). * Then at the end (level 'num_levels'), calculate the root hash. */ - blocks = (inode->i_size + params->block_size - 1) >> + blocks = ((u64)inode->i_size + params->block_size - 1) >> params->log_blocksize; for (level = 0; level <= params->num_levels; level++) { err = build_merkle_tree_level(filp, level, blocks, params, diff --git a/fs/verity/open.c b/fs/verity/open.c index 60ff8af7219f..92df87f5fa38 100644 --- a/fs/verity/open.c +++ b/fs/verity/open.c @@ -89,7 +89,7 @@ int fsverity_init_merkle_tree_params(struct merkle_tree_params *params, */ /* Compute number of levels and the number of blocks in each level */ - blocks = (inode->i_size + params->block_size - 1) >> log_blocksize; + blocks = ((u64)inode->i_size + params->block_size - 1) >> log_blocksize; pr_debug("Data is %lld bytes (%llu blocks)\n", inode->i_size, blocks); while (blocks > 1) { if (params->num_levels >= FS_VERITY_MAX_LEVELS) { diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h index a0212e67d6f4..027faa8883aa 100644 --- a/include/acpi/acpi_io.h +++ b/include/acpi/acpi_io.h @@ -14,14 +14,6 @@ static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys, } #endif -#ifndef acpi_os_memmap -static inline void __iomem *acpi_os_memmap(acpi_physical_address phys, - acpi_size size) -{ - return ioremap_cache(phys, size); -} -#endif - extern bool acpi_permanent_mmap; void __iomem __ref diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index e93375c710b9..7ce93aaf69f8 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -957,7 +957,7 @@ static inline void __iomem *ioremap(phys_addr_t offset, size_t size) #ifndef iounmap #define iounmap iounmap -static inline void iounmap(void __iomem *addr) +static inline void iounmap(volatile void __iomem *addr) { } #endif @@ -1023,16 +1023,7 @@ static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) port &= IO_SPACE_LIMIT; return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; } -#define __pci_ioport_unmap __pci_ioport_unmap -static inline void __pci_ioport_unmap(void __iomem *p) -{ - uintptr_t start = (uintptr_t) PCI_IOBASE; - uintptr_t addr = (uintptr_t) p; - - if (addr >= start && addr < start + IO_SPACE_LIMIT) - return; - iounmap(p); -} +#define ARCH_HAS_GENERIC_IOPORT_MAP #endif #ifndef ioport_unmap @@ -1048,21 +1039,10 @@ extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_HAS_IOPORT_MAP */ #ifndef CONFIG_GENERIC_IOMAP -struct pci_dev; -extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); - -#ifndef __pci_ioport_unmap -static inline void __pci_ioport_unmap(void __iomem *p) {} -#endif - #ifndef pci_iounmap -#define pci_iounmap pci_iounmap -static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) -{ - __pci_ioport_unmap(p); -} +#define ARCH_WANTS_GENERIC_PCI_IOUNMAP +#endif #endif -#endif /* CONFIG_GENERIC_IOMAP */ #ifndef xlate_dev_mem_ptr #define xlate_dev_mem_ptr xlate_dev_mem_ptr diff --git a/include/asm-generic/iomap.h b/include/asm-generic/iomap.h index 9b3eb6d86200..08237ae8b840 100644 --- a/include/asm-generic/iomap.h +++ b/include/asm-generic/iomap.h @@ -110,16 +110,6 @@ static inline void __iomem *ioremap_np(phys_addr_t offset, size_t size) } #endif -#ifdef CONFIG_PCI -/* Destroy a virtual mapping cookie for a PCI BAR (memory or IO) */ -struct pci_dev; -extern void pci_iounmap(struct pci_dev *dev, void __iomem *); -#elif defined(CONFIG_GENERIC_IOMAP) -struct pci_dev; -static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) -{ } -#endif - #include <asm-generic/pci_iomap.h> #endif diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h index c1ab6a6e72b5..d3eae6cdbacb 100644 --- a/include/asm-generic/mshyperv.h +++ b/include/asm-generic/mshyperv.h @@ -197,10 +197,12 @@ static inline int hv_cpu_number_to_vp_number(int cpu_number) return hv_vp_index[cpu_number]; } -static inline int cpumask_to_vpset(struct hv_vpset *vpset, - const struct cpumask *cpus) +static inline int __cpumask_to_vpset(struct hv_vpset *vpset, + const struct cpumask *cpus, + bool exclude_self) { int cpu, vcpu, vcpu_bank, vcpu_offset, nr_bank = 1; + int this_cpu = smp_processor_id(); /* valid_bank_mask can represent up to 64 banks */ if (hv_max_vp_index / 64 >= 64) @@ -218,6 +220,8 @@ static inline int cpumask_to_vpset(struct hv_vpset *vpset, * Some banks may end up being empty but this is acceptable. */ for_each_cpu(cpu, cpus) { + if (exclude_self && cpu == this_cpu) + continue; vcpu = hv_cpu_number_to_vp_number(cpu); if (vcpu == VP_INVAL) return -1; @@ -232,6 +236,19 @@ static inline int cpumask_to_vpset(struct hv_vpset *vpset, return nr_bank; } +static inline int cpumask_to_vpset(struct hv_vpset *vpset, + const struct cpumask *cpus) +{ + return __cpumask_to_vpset(vpset, cpus, false); +} + +static inline int cpumask_to_vpset_noself(struct hv_vpset *vpset, + const struct cpumask *cpus) +{ + WARN_ON_ONCE(preemptible()); + return __cpumask_to_vpset(vpset, cpus, true); +} + void hyperv_report_panic(struct pt_regs *regs, long err, bool in_die); bool hv_is_hyperv_initialized(void); bool hv_is_hibernation_supported(void); diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h index df636c6d8e6c..5a2f9bf53384 100644 --- a/include/asm-generic/pci_iomap.h +++ b/include/asm-generic/pci_iomap.h @@ -18,6 +18,7 @@ extern void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, extern void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, unsigned long offset, unsigned long maxlen); +extern void pci_iounmap(struct pci_dev *dev, void __iomem *); /* Create a virtual mapping cookie for a port on a given PCI device. * Do not call this directly, it exists to make it easier for architectures * to override */ @@ -50,6 +51,8 @@ static inline void __iomem *pci_iomap_wc_range(struct pci_dev *dev, int bar, { return NULL; } +static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) +{ } #endif #endif /* __ASM_GENERIC_PCI_IOMAP_H */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index aa50bf2959fe..f2984af2b85b 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -116,11 +116,7 @@ * GCC 4.5 and later have a 32 bytes section alignment for structures. * Except GCC 4.9, that feels the need to align on 64 bytes. */ -#if __GNUC__ == 4 && __GNUC_MINOR__ == 9 -#define STRUCT_ALIGNMENT 64 -#else #define STRUCT_ALIGNMENT 32 -#endif #define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT) /* diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h index 864b9997efb2..90f21898aad8 100644 --- a/include/kvm/arm_pmu.h +++ b/include/kvm/arm_pmu.h @@ -61,7 +61,6 @@ int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu, int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr); int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu); -int kvm_pmu_probe_pmuver(void); #else struct kvm_pmu { }; @@ -118,8 +117,6 @@ static inline u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1) return 0; } -static inline int kvm_pmu_probe_pmuver(void) { return 0xf; } - #endif #endif diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 7d1cabe15262..63ccb5252190 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -321,10 +321,20 @@ asmlinkage unsigned long __arm_smccc_sve_check(unsigned long x0); * from register 0 to 3 on return from the SMC instruction. An optional * quirk structure provides vendor specific behavior. */ +#ifdef CONFIG_HAVE_ARM_SMCCC asmlinkage void __arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, unsigned long a3, unsigned long a4, unsigned long a5, unsigned long a6, unsigned long a7, struct arm_smccc_res *res, struct arm_smccc_quirk *quirk); +#else +static inline void __arm_smccc_smc(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, unsigned long a6, unsigned long a7, + struct arm_smccc_res *res, struct arm_smccc_quirk *quirk) +{ + *res = (struct arm_smccc_res){}; +} +#endif /** * __arm_smccc_hvc() - make HVC calls diff --git a/include/linux/bpf.h b/include/linux/bpf.h index f4c16f19f83e..020a7d5bf470 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -578,11 +578,12 @@ struct btf_func_model { * programs only. Should not be used with normal calls and indirect calls. */ #define BPF_TRAMP_F_SKIP_FRAME BIT(2) - /* Store IP address of the caller on the trampoline stack, * so it's available for trampoline's programs. */ #define BPF_TRAMP_F_IP_ARG BIT(3) +/* Return the return value of fentry prog. Only used by bpf_struct_ops. */ +#define BPF_TRAMP_F_RET_FENTRY_RET BIT(4) /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50 * bytes on x86. Pick a number to fit into BPF_IMAGE_SIZE / 2 diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index 6486d3c19463..36f33685c8c0 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -194,7 +194,7 @@ void __breadahead_gfp(struct block_device *, sector_t block, unsigned int size, struct buffer_head *__bread_gfp(struct block_device *, sector_t block, unsigned size, gfp_t gfp); void invalidate_bh_lrus(void); -void invalidate_bh_lrus_cpu(int cpu); +void invalidate_bh_lrus_cpu(void); bool has_bh_in_lru(int cpu, void *dummy); struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); @@ -408,7 +408,7 @@ static inline int inode_has_buffers(struct inode *inode) { return 0; } static inline void invalidate_inode_buffers(struct inode *inode) {} static inline int remove_inode_buffers(struct inode *inode) { return 1; } static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; } -static inline void invalidate_bh_lrus_cpu(int cpu) {} +static inline void invalidate_bh_lrus_cpu(void) {} static inline bool has_bh_in_lru(int cpu, void *dummy) { return false; } #define buffer_heads_over_limit 0 diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index e1c705fdfa7c..db2e147e069f 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -752,107 +752,54 @@ static inline void cgroup_threadgroup_change_end(struct task_struct *tsk) {} * sock_cgroup_data is embedded at sock->sk_cgrp_data and contains * per-socket cgroup information except for memcg association. * - * On legacy hierarchies, net_prio and net_cls controllers directly set - * attributes on each sock which can then be tested by the network layer. - * On the default hierarchy, each sock is associated with the cgroup it was - * created in and the networking layer can match the cgroup directly. - * - * To avoid carrying all three cgroup related fields separately in sock, - * sock_cgroup_data overloads (prioidx, classid) and the cgroup pointer. - * On boot, sock_cgroup_data records the cgroup that the sock was created - * in so that cgroup2 matches can be made; however, once either net_prio or - * net_cls starts being used, the area is overridden to carry prioidx and/or - * classid. The two modes are distinguished by whether the lowest bit is - * set. Clear bit indicates cgroup pointer while set bit prioidx and - * classid. - * - * While userland may start using net_prio or net_cls at any time, once - * either is used, cgroup2 matching no longer works. There is no reason to - * mix the two and this is in line with how legacy and v2 compatibility is - * handled. On mode switch, cgroup references which are already being - * pointed to by socks may be leaked. While this can be remedied by adding - * synchronization around sock_cgroup_data, given that the number of leaked - * cgroups is bound and highly unlikely to be high, this seems to be the - * better trade-off. + * On legacy hierarchies, net_prio and net_cls controllers directly + * set attributes on each sock which can then be tested by the network + * layer. On the default hierarchy, each sock is associated with the + * cgroup it was created in and the networking layer can match the + * cgroup directly. */ struct sock_cgroup_data { - union { -#ifdef __LITTLE_ENDIAN - struct { - u8 is_data : 1; - u8 no_refcnt : 1; - u8 unused : 6; - u8 padding; - u16 prioidx; - u32 classid; - } __packed; -#else - struct { - u32 classid; - u16 prioidx; - u8 padding; - u8 unused : 6; - u8 no_refcnt : 1; - u8 is_data : 1; - } __packed; + struct cgroup *cgroup; /* v2 */ +#ifdef CONFIG_CGROUP_NET_CLASSID + u32 classid; /* v1 */ +#endif +#ifdef CONFIG_CGROUP_NET_PRIO + u16 prioidx; /* v1 */ #endif - u64 val; - }; }; -/* - * There's a theoretical window where the following accessors race with - * updaters and return part of the previous pointer as the prioidx or - * classid. Such races are short-lived and the result isn't critical. - */ static inline u16 sock_cgroup_prioidx(const struct sock_cgroup_data *skcd) { - /* fallback to 1 which is always the ID of the root cgroup */ - return (skcd->is_data & 1) ? skcd->prioidx : 1; +#ifdef CONFIG_CGROUP_NET_PRIO + return READ_ONCE(skcd->prioidx); +#else + return 1; +#endif } static inline u32 sock_cgroup_classid(const struct sock_cgroup_data *skcd) { - /* fallback to 0 which is the unconfigured default classid */ - return (skcd->is_data & 1) ? skcd->classid : 0; +#ifdef CONFIG_CGROUP_NET_CLASSID + return READ_ONCE(skcd->classid); +#else + return 0; +#endif } -/* - * If invoked concurrently, the updaters may clobber each other. The - * caller is responsible for synchronization. - */ static inline void sock_cgroup_set_prioidx(struct sock_cgroup_data *skcd, u16 prioidx) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_prioidx(&skcd_buf) == prioidx) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.prioidx = prioidx; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_PRIO + WRITE_ONCE(skcd->prioidx, prioidx); +#endif } static inline void sock_cgroup_set_classid(struct sock_cgroup_data *skcd, u32 classid) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_classid(&skcd_buf) == classid) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.classid = classid; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_CLASSID + WRITE_ONCE(skcd->classid, classid); +#endif } #else /* CONFIG_SOCK_CGROUP_DATA */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 7bf60454a313..75c151413fda 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -829,33 +829,13 @@ static inline void cgroup_account_cputime_field(struct task_struct *task, */ #ifdef CONFIG_SOCK_CGROUP_DATA -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) -extern spinlock_t cgroup_sk_update_lock; -#endif - -void cgroup_sk_alloc_disable(void); void cgroup_sk_alloc(struct sock_cgroup_data *skcd); void cgroup_sk_clone(struct sock_cgroup_data *skcd); void cgroup_sk_free(struct sock_cgroup_data *skcd); static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd) { -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) - unsigned long v; - - /* - * @skcd->val is 64bit but the following is safe on 32bit too as we - * just need the lower ulong to be written and read atomically. - */ - v = READ_ONCE(skcd->val); - - if (v & 3) - return &cgrp_dfl_root.cgrp; - - return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp; -#else - return (struct cgroup *)(unsigned long)skcd->val; -#endif + return skcd->cgroup; } #else /* CONFIG_CGROUP_DATA */ diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index 49b0ac8b6fd3..3c4de9b6c6e3 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -62,19 +62,6 @@ #define __no_sanitize_coverage #endif -/* - * Not all versions of clang implement the type-generic versions - * of the builtin overflow checkers. Fortunately, clang implements - * __has_builtin allowing us to avoid awkward version - * checks. Unfortunately, we don't know which version of gcc clang - * pretends to be, so the macro may or may not be defined. - */ -#if __has_builtin(__builtin_mul_overflow) && \ - __has_builtin(__builtin_add_overflow) && \ - __has_builtin(__builtin_sub_overflow) -#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 -#endif - #if __has_feature(shadow_call_stack) # define __noscs __attribute__((__no_sanitize__("shadow-call-stack"))) #endif diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 21c36b69eb06..bd2b881c6b63 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -95,10 +95,8 @@ #if GCC_VERSION >= 70000 #define KASAN_ABI_VERSION 5 -#elif GCC_VERSION >= 50000 +#else #define KASAN_ABI_VERSION 4 -#elif GCC_VERSION >= 40902 -#define KASAN_ABI_VERSION 3 #endif #if __has_attribute(__no_sanitize_address__) @@ -125,10 +123,6 @@ #define __no_sanitize_coverage #endif -#if GCC_VERSION >= 50100 -#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 -#endif - /* * Turn individual warnings and errors on and off locally, depending * on version. diff --git a/include/linux/compiler.h b/include/linux/compiler.h index b67261a1e3e9..3d5af56337bd 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -188,6 +188,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, (typeof(ptr)) (__ptr + (off)); }) #endif +#define absolute_pointer(val) RELOC_HIDE((void *)(val), 0) + #ifndef OPTIMIZER_HIDE_VAR /* Make the optimizer believe the variable can be manipulated arbitrarily. */ #define OPTIMIZER_HIDE_VAR(var) \ diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 8f2106e9e5c1..e6ec63403965 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -21,29 +21,6 @@ */ /* - * __has_attribute is supported on gcc >= 5, clang >= 2.9 and icc >= 17. - * In the meantime, to support gcc < 5, we implement __has_attribute - * by hand. - */ -#ifndef __has_attribute -# define __has_attribute(x) __GCC4_has_attribute_##x -# define __GCC4_has_attribute___assume_aligned__ 1 -# define __GCC4_has_attribute___copy__ 0 -# define __GCC4_has_attribute___designated_init__ 0 -# define __GCC4_has_attribute___error__ 1 -# define __GCC4_has_attribute___externally_visible__ 1 -# define __GCC4_has_attribute___no_caller_saved_registers__ 0 -# define __GCC4_has_attribute___noclone__ 1 -# define __GCC4_has_attribute___no_profile_instrument_function__ 0 -# define __GCC4_has_attribute___nonstring__ 0 -# define __GCC4_has_attribute___no_sanitize_address__ 1 -# define __GCC4_has_attribute___no_sanitize_undefined__ 1 -# define __GCC4_has_attribute___no_sanitize_coverage__ 0 -# define __GCC4_has_attribute___fallthrough__ 0 -# define __GCC4_has_attribute___warning__ 1 -#endif - -/* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-alias-function-attribute */ #define __alias(symbol) __attribute__((__alias__(#symbol))) @@ -77,7 +54,6 @@ * compiler should see some alignment anyway, when the return value is * massaged by 'flags = ptr & 3; ptr &= ~3;'). * - * Optional: only supported since gcc >= 4.9 * Optional: not supported by icc * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-assume_005faligned-function-attribute diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 5d4d07a9e1ed..1e7399fc69c0 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -996,14 +996,15 @@ cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask) * cpumask; Typically used by bin_attribute to export cpumask bitmask * ABI. * - * Returns the length of how many bytes have been copied. + * Returns the length of how many bytes have been copied, excluding + * terminating '\0'. */ static inline ssize_t cpumap_print_bitmask_to_buf(char *buf, const struct cpumask *mask, loff_t off, size_t count) { return bitmap_print_bitmask_to_buf(buf, cpumask_bits(mask), - nr_cpu_ids, off, count); + nr_cpu_ids, off, count) - 1; } /** @@ -1018,7 +1019,7 @@ cpumap_print_list_to_buf(char *buf, const struct cpumask *mask, loff_t off, size_t count) { return bitmap_print_list_to_buf(buf, cpumask_bits(mask), - nr_cpu_ids, off, count); + nr_cpu_ids, off, count) - 1; } #if NR_CPUS <= BITS_PER_LONG diff --git a/include/linux/dsa/ocelot.h b/include/linux/dsa/ocelot.h index c6bc45ae5e03..435777a0073c 100644 --- a/include/linux/dsa/ocelot.h +++ b/include/linux/dsa/ocelot.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 - * Copyright 2019-2021 NXP Semiconductors + * Copyright 2019-2021 NXP */ #ifndef _NET_DSA_TAG_OCELOT_H diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index 928c411bd509..c58d50451485 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -308,7 +308,7 @@ static inline void ether_addr_copy(u8 *dst, const u8 *src) */ static inline void eth_hw_addr_set(struct net_device *dev, const u8 *addr) { - ether_addr_copy(dev->dev_addr, addr); + __dev_addr_set(dev, addr, ETH_ALEN); } /** diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 59828516ebaf..9f4ad719bfe3 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -22,10 +22,15 @@ struct device; * LINKS_ADDED: The fwnode has already be parsed to add fwnode links. * NOT_DEVICE: The fwnode will never be populated as a struct device. * INITIALIZED: The hardware corresponding to fwnode has been initialized. + * NEEDS_CHILD_BOUND_ON_ADD: For this fwnode/device to probe successfully, its + * driver needs its child devices to be bound with + * their respective drivers as soon as they are + * added. */ -#define FWNODE_FLAG_LINKS_ADDED BIT(0) -#define FWNODE_FLAG_NOT_DEVICE BIT(1) -#define FWNODE_FLAG_INITIALIZED BIT(2) +#define FWNODE_FLAG_LINKS_ADDED BIT(0) +#define FWNODE_FLAG_NOT_DEVICE BIT(1) +#define FWNODE_FLAG_INITIALIZED BIT(2) +#define FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD BIT(3) struct fwnode_handle { struct fwnode_handle *secondary; diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 23e4ee523576..9ee238ad29ce 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -251,7 +251,7 @@ static inline struct fwnode_handle *irq_domain_alloc_fwnode(phys_addr_t *pa) } void irq_domain_free_fwnode(struct fwnode_handle *fwnode); -struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size, +struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int size, irq_hw_number_t hwirq_max, int direct_max, const struct irq_domain_ops *ops, void *host_data); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 041ca7f15ea4..0f18df7fe874 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -608,7 +608,6 @@ struct kvm { unsigned long mmu_notifier_range_start; unsigned long mmu_notifier_range_end; #endif - long tlbs_dirty; struct list_head devices; u64 manual_dirty_log_protect; struct dentry *debugfs_dentry; @@ -721,11 +720,6 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) return NULL; } -static inline int kvm_vcpu_get_idx(struct kvm_vcpu *vcpu) -{ - return vcpu->vcpu_idx; -} - #define kvm_for_each_memslot(memslot, slots) \ for (memslot = &slots->memslots[0]; \ memslot < slots->memslots + slots->used_slots; memslot++) \ diff --git a/include/linux/mdio.h b/include/linux/mdio.h index ffb787d5ebde..5e6dc38f418e 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -80,6 +80,9 @@ struct mdio_driver { /* Clears up any memory if needed */ void (*remove)(struct mdio_device *mdiodev); + + /* Quiesces the device on system shutdown, turns off interrupts etc */ + void (*shutdown)(struct mdio_device *mdiodev); }; static inline struct mdio_driver * diff --git a/include/linux/memblock.h b/include/linux/memblock.h index b066024c62e3..34de69b3b8ba 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -118,6 +118,7 @@ int memblock_mark_nomap(phys_addr_t base, phys_addr_t size); int memblock_clear_nomap(phys_addr_t base, phys_addr_t size); void memblock_free_all(void); +void memblock_free_ptr(void *ptr, size_t size); void reset_node_managed_pages(pg_data_t *pgdat); void reset_all_zones_managed_pages(void); diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 326250996b4e..c8077e936691 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -19,6 +19,11 @@ struct migration_target_control; */ #define MIGRATEPAGE_SUCCESS 0 +/* + * Keep sync with: + * - macro MIGRATE_REASON in include/trace/events/migrate.h + * - migrate_reason_names[MR_TYPES] in mm/debug.c + */ enum migrate_reason { MR_COMPACTION, MR_MEMORY_FAILURE, @@ -32,7 +37,6 @@ enum migrate_reason { MR_TYPES }; -/* In mm/debug.c; also keep sync with include/trace/events/migrate.h */ extern const char *migrate_reason_names[MR_TYPES]; #ifdef CONFIG_MIGRATION diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h index b179f1e3541a..96e113e23d04 100644 --- a/include/linux/mmap_lock.h +++ b/include/linux/mmap_lock.h @@ -144,15 +144,6 @@ static inline void mmap_read_unlock(struct mm_struct *mm) up_read(&mm->mmap_lock); } -static inline bool mmap_read_trylock_non_owner(struct mm_struct *mm) -{ - if (mmap_read_trylock(mm)) { - rwsem_release(&mm->mmap_lock.dep_map, _RET_IP_); - return true; - } - return false; -} - static inline void mmap_read_unlock_non_owner(struct mm_struct *mm) { __mmap_lock_trace_released(mm, false); diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 923dada24eb4..c0c0cefc3b92 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -150,6 +150,20 @@ static inline int nvmem_cell_read_u64(struct device *dev, return -EOPNOTSUPP; } +static inline int nvmem_cell_read_variable_le_u32(struct device *dev, + const char *cell_id, + u32 *val) +{ + return -EOPNOTSUPP; +} + +static inline int nvmem_cell_read_variable_le_u64(struct device *dev, + const char *cell_id, + u64 *val) +{ + return -EOPNOTSUPP; +} + static inline struct nvmem_device *nvmem_device_get(struct device *dev, const char *name) { diff --git a/include/linux/overflow.h b/include/linux/overflow.h index 0f12345c21fb..4669632bd72b 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -6,12 +6,9 @@ #include <linux/limits.h> /* - * In the fallback code below, we need to compute the minimum and - * maximum values representable in a given type. These macros may also - * be useful elsewhere, so we provide them outside the - * COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW block. - * - * It would seem more obvious to do something like + * We need to compute the minimum and maximum values representable in a given + * type. These macros may also be useful elsewhere. It would seem more obvious + * to do something like: * * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0) * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0) @@ -54,7 +51,6 @@ static inline bool __must_check __must_check_overflow(bool overflow) return unlikely(overflow); } -#ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW /* * For simplicity and code hygiene, the fallback code below insists on * a, b and *d having the same type (similar to the min() and max() @@ -90,134 +86,6 @@ static inline bool __must_check __must_check_overflow(bool overflow) __builtin_mul_overflow(__a, __b, __d); \ })) -#else - - -/* Checking for unsigned overflow is relatively easy without causing UB. */ -#define __unsigned_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a + __b; \ - *__d < __a; \ -}) -#define __unsigned_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a - __b; \ - __a < __b; \ -}) -/* - * If one of a or b is a compile-time constant, this avoids a division. - */ -#define __unsigned_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a * __b; \ - __builtin_constant_p(__b) ? \ - __b > 0 && __a > type_max(typeof(__a)) / __b : \ - __a > 0 && __b > type_max(typeof(__b)) / __a; \ -}) - -/* - * For signed types, detecting overflow is much harder, especially if - * we want to avoid UB. But the interface of these macros is such that - * we must provide a result in *d, and in fact we must produce the - * result promised by gcc's builtins, which is simply the possibly - * wrapped-around value. Fortunately, we can just formally do the - * operations in the widest relevant unsigned type (u64) and then - * truncate the result - gcc is smart enough to generate the same code - * with and without the (u64) casts. - */ - -/* - * Adding two signed integers can overflow only if they have the same - * sign, and overflow has happened iff the result has the opposite - * sign. - */ -#define __signed_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a + (u64)__b; \ - (((~(__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Subtraction is similar, except that overflow can now happen only - * when the signs are opposite. In this case, overflow has happened if - * the result has the opposite sign of a. - */ -#define __signed_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a - (u64)__b; \ - ((((__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Signed multiplication is rather hard. gcc always follows C99, so - * division is truncated towards 0. This means that we can write the - * overflow check like this: - * - * (a > 0 && (b > MAX/a || b < MIN/a)) || - * (a < -1 && (b > MIN/a || b < MAX/a) || - * (a == -1 && b == MIN) - * - * The redundant casts of -1 are to silence an annoying -Wtype-limits - * (included in -Wextra) warning: When the type is u8 or u16, the - * __b_c_e in check_mul_overflow obviously selects - * __unsigned_mul_overflow, but unfortunately gcc still parses this - * code and warns about the limited range of __b. - */ - -#define __signed_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - typeof(a) __tmax = type_max(typeof(a)); \ - typeof(a) __tmin = type_min(typeof(a)); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a * (u64)__b; \ - (__b > 0 && (__a > __tmax/__b || __a < __tmin/__b)) || \ - (__b < (typeof(__b))-1 && (__a > __tmin/__b || __a < __tmax/__b)) || \ - (__b == (typeof(__b))-1 && __a == __tmin); \ -}) - - -#define check_add_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_add_overflow(a, b, d), \ - __unsigned_add_overflow(a, b, d))) - -#define check_sub_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_sub_overflow(a, b, d), \ - __unsigned_sub_overflow(a, b, d))) - -#define check_mul_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_mul_overflow(a, b, d), \ - __unsigned_mul_overflow(a, b, d))) - -#endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */ - /** check_shl_overflow() - Calculate a left-shifted value and check overflow * * @a: Value to be shifted diff --git a/include/linux/packing.h b/include/linux/packing.h index 54667735cc67..8d6571feb95d 100644 --- a/include/linux/packing.h +++ b/include/linux/packing.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright (c) 2016-2018, NXP Semiconductors + * Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _LINUX_PACKING_H diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 505480217cf1..2512e2f9cd4e 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -163,6 +163,12 @@ int arm_pmu_acpi_probe(armpmu_init_fn init_fn); static inline int arm_pmu_acpi_probe(armpmu_init_fn init_fn) { return 0; } #endif +#ifdef CONFIG_KVM +void kvm_host_pmu_init(struct arm_pmu *pmu); +#else +#define kvm_host_pmu_init(x) do { } while(0) +#endif + /* Internal functions only for core arm_pmu code */ struct arm_pmu *armpmu_alloc(void); struct arm_pmu *armpmu_alloc_atomic(void); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index fe156a8170aa..9b60bb89d86a 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -683,7 +683,9 @@ struct perf_event { /* * timestamp shadows the actual context timing but it can * be safely used in NMI interrupt context. It reflects the - * context time as it was when the event was last scheduled in. + * context time as it was when the event was last scheduled in, + * or when ctx_sched_in failed to schedule the event because we + * run out of PMC. * * ctx_time already accounts for ctx->timestamp. Therefore to * compute ctx_time for a sample, simply add perf_clock(). diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h index 6beb26b7151d..86be8bf27b41 100644 --- a/include/linux/pkeys.h +++ b/include/linux/pkeys.h @@ -4,6 +4,8 @@ #include <linux/mm.h> +#define ARCH_DEFAULT_PKEY 0 + #ifdef CONFIG_ARCH_HAS_PKEYS #include <asm/pkeys.h> #else /* ! CONFIG_ARCH_HAS_PKEYS */ diff --git a/include/linux/platform_data/usb-omap1.h b/include/linux/platform_data/usb-omap1.h index 43b5ce139c37..878e572a78bf 100644 --- a/include/linux/platform_data/usb-omap1.h +++ b/include/linux/platform_data/usb-omap1.h @@ -48,6 +48,8 @@ struct omap_usb_config { u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup); int (*ocpi_enable)(void); + + void (*lb_reset)(void); }; #endif /* __LINUX_USB_OMAP1_H */ diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index c0475d1c9885..81cad9e1e412 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -61,7 +61,6 @@ enum qcom_scm_ice_cipher { #define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE) #define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC) -#if IS_ENABLED(CONFIG_QCOM_SCM) extern bool qcom_scm_is_available(void); extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus); @@ -115,74 +114,4 @@ extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, extern int qcom_scm_lmh_profile_change(u32 profile_id); extern bool qcom_scm_lmh_dcvsh_available(void); -#else - -#include <linux/errno.h> - -static inline bool qcom_scm_is_available(void) { return false; } - -static inline int qcom_scm_set_cold_boot_addr(void *entry, - const cpumask_t *cpus) { return -ENODEV; } -static inline int qcom_scm_set_warm_boot_addr(void *entry, - const cpumask_t *cpus) { return -ENODEV; } -static inline void qcom_scm_cpu_power_down(u32 flags) {} -static inline u32 qcom_scm_set_remote_state(u32 state,u32 id) - { return -ENODEV; } - -static inline int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, - size_t size) { return -ENODEV; } -static inline int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, - phys_addr_t size) { return -ENODEV; } -static inline int qcom_scm_pas_auth_and_reset(u32 peripheral) - { return -ENODEV; } -static inline int qcom_scm_pas_shutdown(u32 peripheral) { return -ENODEV; } -static inline bool qcom_scm_pas_supported(u32 peripheral) { return false; } - -static inline int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val) - { return -ENODEV; } -static inline int qcom_scm_io_writel(phys_addr_t addr, unsigned int val) - { return -ENODEV; } - -static inline bool qcom_scm_restore_sec_cfg_available(void) { return false; } -static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) - { return -ENODEV; } -static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) - { return -ENODEV; } -static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) - { return -ENODEV; } -extern inline int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, - u32 cp_nonpixel_start, - u32 cp_nonpixel_size) - { return -ENODEV; } -static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, - unsigned int *src, const struct qcom_scm_vmperm *newvm, - unsigned int dest_cnt) { return -ENODEV; } - -static inline bool qcom_scm_ocmem_lock_available(void) { return false; } -static inline int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, - u32 size, u32 mode) { return -ENODEV; } -static inline int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, - u32 offset, u32 size) { return -ENODEV; } - -static inline bool qcom_scm_ice_available(void) { return false; } -static inline int qcom_scm_ice_invalidate_key(u32 index) { return -ENODEV; } -static inline int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size, - enum qcom_scm_ice_cipher cipher, - u32 data_unit_size) { return -ENODEV; } - -static inline bool qcom_scm_hdcp_available(void) { return false; } -static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, - u32 *resp) { return -ENODEV; } - -static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en) - { return -ENODEV; } - -static inline int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, - u64 limit_node, u32 node_id, u64 version) - { return -ENODEV; } - -static inline int qcom_scm_lmh_profile_change(u32 profile_id) { return -ENODEV; } - -static inline bool qcom_scm_lmh_dcvsh_available(void) { return -ENODEV; } -#endif #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index e12b524426b0..c1a927ddec64 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1471,6 +1471,7 @@ struct task_struct { mce_whole_page : 1, __mce_reserved : 62; struct callback_head mce_kill_me; + int mce_count; #endif #ifdef CONFIG_KRETPROBES @@ -1719,7 +1720,7 @@ extern struct pid *cad_pid; #define tsk_used_math(p) ((p)->flags & PF_USED_MATH) #define used_math() tsk_used_math(current) -static inline bool is_percpu_thread(void) +static __always_inline bool is_percpu_thread(void) { #ifdef CONFIG_SMP return (current->flags & PF_NO_SETAFFINITY) && diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 6bdb0db3e825..841e2f0f5240 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1940,7 +1940,7 @@ static inline void __skb_insert(struct sk_buff *newsk, WRITE_ONCE(newsk->prev, prev); WRITE_ONCE(next->prev, newsk); WRITE_ONCE(prev->next, newsk); - list->qlen++; + WRITE_ONCE(list->qlen, list->qlen + 1); } static inline void __skb_queue_splice(const struct sk_buff_head *list, diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 3e80c4bc66f7..2564b7434b4d 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -197,6 +197,8 @@ static inline void tracehook_notify_resume(struct pt_regs *regs) mem_cgroup_handle_over_high(); blkcg_maybe_throttle_current(); + + rseq_handle_notify_resume(NULL, regs); } /* diff --git a/include/linux/uio.h b/include/linux/uio.h index 5265024e8b90..207101a9c5c3 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -27,6 +27,12 @@ enum iter_type { ITER_DISCARD, }; +struct iov_iter_state { + size_t iov_offset; + size_t count; + unsigned long nr_segs; +}; + struct iov_iter { u8 iter_type; bool data_source; @@ -47,7 +53,6 @@ struct iov_iter { }; loff_t xarray_start; }; - size_t truncated; }; static inline enum iter_type iov_iter_type(const struct iov_iter *i) @@ -55,6 +60,14 @@ static inline enum iter_type iov_iter_type(const struct iov_iter *i) return i->iter_type; } +static inline void iov_iter_save_state(struct iov_iter *iter, + struct iov_iter_state *state) +{ + state->iov_offset = iter->iov_offset; + state->count = iter->count; + state->nr_segs = iter->nr_segs; +} + static inline bool iter_is_iovec(const struct iov_iter *i) { return iov_iter_type(i) == ITER_IOVEC; @@ -233,6 +246,7 @@ ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); +void iov_iter_restore(struct iov_iter *i, struct iov_iter_state *state); const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags); @@ -255,10 +269,8 @@ static inline void iov_iter_truncate(struct iov_iter *i, u64 count) * conversion in assignement is by definition greater than all * values of size_t, including old i->count. */ - if (i->count > count) { - i->truncated += i->count - count; + if (i->count > count) i->count = count; - } } /* @@ -267,7 +279,6 @@ static inline void iov_iter_truncate(struct iov_iter *i, u64 count) */ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) { - i->truncated -= count - i->count; i->count = count; } diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 548a028f2dab..2c1fc9212cf2 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -124,6 +124,7 @@ struct usb_hcd { #define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */ #define HCD_FLAG_DEAD 6 /* controller has died? */ #define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */ +#define HCD_FLAG_DEFER_RH_REGISTER 8 /* Defer roothub registration */ /* The flags can be tested using these macros; they are likely to * be slightly faster than test_bit(). @@ -134,6 +135,7 @@ struct usb_hcd { #define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING)) #define HCD_RH_RUNNING(hcd) ((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING)) #define HCD_DEAD(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEAD)) +#define HCD_DEFER_RH_REGISTER(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEFER_RH_REGISTER)) /* * Specifies if interfaces are authorized by default diff --git a/include/net/dsa.h b/include/net/dsa.h index f9a17145255a..d784e76113b8 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -447,6 +447,11 @@ static inline bool dsa_port_is_user(struct dsa_port *dp) return dp->type == DSA_PORT_TYPE_USER; } +static inline bool dsa_port_is_unused(struct dsa_port *dp) +{ + return dp->type == DSA_PORT_TYPE_UNUSED; +} + static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; @@ -580,8 +585,16 @@ struct dsa_switch_ops { int (*change_tag_protocol)(struct dsa_switch *ds, int port, enum dsa_tag_protocol proto); + /* Optional switch-wide initialization and destruction methods */ int (*setup)(struct dsa_switch *ds); void (*teardown)(struct dsa_switch *ds); + + /* Per-port initialization and destruction methods. Mandatory if the + * driver registers devlink port regions, optional otherwise. + */ + int (*port_setup)(struct dsa_switch *ds, int port); + void (*port_teardown)(struct dsa_switch *ds, int port); + u32 (*get_phy_flags)(struct dsa_switch *ds, int port); /* @@ -1041,6 +1054,7 @@ static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, void dsa_unregister_switch(struct dsa_switch *ds); int dsa_register_switch(struct dsa_switch *ds); +void dsa_switch_shutdown(struct dsa_switch *ds); struct dsa_switch *dsa_switch_find(int tree_index, int sw_index); #ifdef CONFIG_PM_SLEEP int dsa_switch_suspend(struct dsa_switch *ds); diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 21c5386d4a6d..ab5348e57db1 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -597,5 +597,5 @@ int ip_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh, int fib_nexthop_info(struct sk_buff *skb, const struct fib_nh_common *nh, u8 rt_family, unsigned char *flags, bool skip_oif); int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nh, - int nh_weight, u8 rt_family); + int nh_weight, u8 rt_family, u32 nh_tclassid); #endif /* _NET_FIB_H */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index af0fc13cea34..618d1f427cb2 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2818,13 +2818,13 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb); * Mac80211 drivers should set the @NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 flag * when they are able to replace in-use PTK keys according to the following * requirements: - * 1) They do not hand over frames decrypted with the old key to - mac80211 once the call to set_key() with command %DISABLE_KEY has been - completed when also setting @IEEE80211_KEY_FLAG_GENERATE_IV for any key, + * 1) They do not hand over frames decrypted with the old key to mac80211 + once the call to set_key() with command %DISABLE_KEY has been completed, 2) either drop or continue to use the old key for any outgoing frames queued at the time of the key deletion (including re-transmits), 3) never send out a frame queued prior to the set_key() %SET_KEY command - encrypted with the new key and + encrypted with the new key when also needing + @IEEE80211_KEY_FLAG_GENERATE_IV and 4) never send out a frame unencrypted when it should be encrypted. Mac80211 will not queue any new frames for a deleted key to the driver. */ diff --git a/include/net/netfilter/ipv6/nf_defrag_ipv6.h b/include/net/netfilter/ipv6/nf_defrag_ipv6.h index 0fd8a4159662..ceadf8ba25a4 100644 --- a/include/net/netfilter/ipv6/nf_defrag_ipv6.h +++ b/include/net/netfilter/ipv6/nf_defrag_ipv6.h @@ -17,7 +17,6 @@ struct inet_frags_ctl; struct nft_ct_frag6_pernet { struct ctl_table_header *nf_frag_frags_hdr; struct fqdir *fqdir; - unsigned int users; }; #endif /* _NF_DEFRAG_IPV6_H */ diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 148f5d8ee5ab..a16171c5fd9e 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1202,7 +1202,7 @@ struct nft_object *nft_obj_lookup(const struct net *net, void nft_obj_notify(struct net *net, const struct nft_table *table, struct nft_object *obj, u32 portid, u32 seq, - int event, int family, int report, gfp_t gfp); + int event, u16 flags, int family, int report, gfp_t gfp); /** * struct nft_object_type - stateful object type diff --git a/include/net/netns/netfilter.h b/include/net/netns/netfilter.h index 986a2a9cfdfa..b593f95e9991 100644 --- a/include/net/netns/netfilter.h +++ b/include/net/netns/netfilter.h @@ -27,5 +27,11 @@ struct netns_nf { #if IS_ENABLED(CONFIG_DECNET) struct nf_hook_entries __rcu *hooks_decnet[NF_DN_NUMHOOKS]; #endif +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) + unsigned int defrag_ipv4_users; +#endif +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) + unsigned int defrag_ipv6_users; +#endif }; #endif diff --git a/include/net/nexthop.h b/include/net/nexthop.h index 10e1777877e6..28085b995ddc 100644 --- a/include/net/nexthop.h +++ b/include/net/nexthop.h @@ -325,7 +325,7 @@ int nexthop_mpath_fill_node(struct sk_buff *skb, struct nexthop *nh, struct fib_nh_common *nhc = &nhi->fib_nhc; int weight = nhg->nh_entries[i].weight; - if (fib_add_nexthop(skb, nhc, weight, rt_family) < 0) + if (fib_add_nexthop(skb, nhc, weight, rt_family, 0) < 0) return -EMSGSIZE; } diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h index 6d7b12cba015..bf79f3a890af 100644 --- a/include/net/pkt_sched.h +++ b/include/net/pkt_sched.h @@ -11,6 +11,7 @@ #include <uapi/linux/pkt_sched.h> #define DEFAULT_TX_QUEUE_LEN 1000 +#define STAB_SIZE_LOG_MAX 30 struct qdisc_walker { int stop; diff --git a/include/net/sock.h b/include/net/sock.h index 66a9a90f9558..ea6fbc88c8f9 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -307,6 +307,7 @@ struct bpf_local_storage; * @sk_priority: %SO_PRIORITY setting * @sk_type: socket type (%SOCK_STREAM, etc) * @sk_protocol: which protocol this socket belongs in this network family + * @sk_peer_lock: lock protecting @sk_peer_pid and @sk_peer_cred * @sk_peer_pid: &struct pid for this socket's peer * @sk_peer_cred: %SO_PEERCRED setting * @sk_rcvlowat: %SO_RCVLOWAT setting @@ -488,8 +489,10 @@ struct sock { u8 sk_prefer_busy_poll; u16 sk_busy_poll_budget; #endif + spinlock_t sk_peer_lock; struct pid *sk_peer_pid; const struct cred *sk_peer_cred; + long sk_rcvtimeo; ktime_t sk_stamp; #if BITS_PER_LONG==32 @@ -1623,7 +1626,36 @@ void release_sock(struct sock *sk); SINGLE_DEPTH_NESTING) #define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock)) -bool lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock); +bool __lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock); + +/** + * lock_sock_fast - fast version of lock_sock + * @sk: socket + * + * This version should be used for very small section, where process wont block + * return false if fast path is taken: + * + * sk_lock.slock locked, owned = 0, BH disabled + * + * return true if slow path is taken: + * + * sk_lock.slock unlocked, owned = 1, BH enabled + */ +static inline bool lock_sock_fast(struct sock *sk) +{ + /* The sk_lock has mutex_lock() semantics here. */ + mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); + + return __lock_sock_fast(sk); +} + +/* fast socket lock variant for caller already holding a [different] socket lock */ +static inline bool lock_sock_fast_nested(struct sock *sk) +{ + mutex_acquire(&sk->sk_lock.dep_map, SINGLE_DEPTH_NESTING, 0, _RET_IP_); + + return __lock_sock_fast(sk); +} /** * unlock_sock_fast - complement of lock_sock_fast @@ -1640,6 +1672,7 @@ static inline void unlock_sock_fast(struct sock *sk, bool slow) release_sock(sk); __release(&sk->sk_lock.slock); } else { + mutex_release(&sk->sk_lock.dep_map, _RET_IP_); spin_unlock_bh(&sk->sk_lock.slock); } } diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 09a17f6e93a7..b97e142a7ca9 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -146,7 +146,6 @@ struct scsi_device { struct scsi_vpd __rcu *vpd_pg83; struct scsi_vpd __rcu *vpd_pg80; struct scsi_vpd __rcu *vpd_pg89; - unsigned char current_tag; /* current tag */ struct scsi_target *sdev_target; blist_flags_t sdev_bflags; /* black/white flags as also found in diff --git a/include/soc/mscc/ocelot_vcap.h b/include/soc/mscc/ocelot_vcap.h index 25fd525aaf92..4869ebbd438d 100644 --- a/include/soc/mscc/ocelot_vcap.h +++ b/include/soc/mscc/ocelot_vcap.h @@ -694,7 +694,7 @@ int ocelot_vcap_filter_add(struct ocelot *ocelot, int ocelot_vcap_filter_del(struct ocelot *ocelot, struct ocelot_vcap_filter *rule); struct ocelot_vcap_filter * -ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, int id, - bool tc_offload); +ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, + unsigned long cookie, bool tc_offload); #endif /* _OCELOT_VCAP_H_ */ diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index 989e1517332d..7a08ed2acd60 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -98,6 +98,7 @@ struct snd_rawmidi_file { struct snd_rawmidi *rmidi; struct snd_rawmidi_substream *input; struct snd_rawmidi_substream *output; + unsigned int user_pversion; /* supported protocol version */ }; struct snd_rawmidi_str { diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index 9f73ed2cf061..bca73e8c8cde 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -306,11 +306,13 @@ enum afs_flock_operation { enum afs_cb_break_reason { afs_cb_break_no_break, + afs_cb_break_no_promise, afs_cb_break_for_callback, afs_cb_break_for_deleted, afs_cb_break_for_lapsed, + afs_cb_break_for_s_reinit, afs_cb_break_for_unlink, - afs_cb_break_for_vsbreak, + afs_cb_break_for_v_break, afs_cb_break_for_volume_callback, afs_cb_break_for_zap, }; @@ -602,11 +604,13 @@ enum afs_cb_break_reason { #define afs_cb_break_reasons \ EM(afs_cb_break_no_break, "no-break") \ + EM(afs_cb_break_no_promise, "no-promise") \ EM(afs_cb_break_for_callback, "break-cb") \ EM(afs_cb_break_for_deleted, "break-del") \ EM(afs_cb_break_for_lapsed, "break-lapsed") \ + EM(afs_cb_break_for_s_reinit, "s-reinit") \ EM(afs_cb_break_for_unlink, "break-unlink") \ - EM(afs_cb_break_for_vsbreak, "break-vs") \ + EM(afs_cb_break_for_v_break, "break-v") \ EM(afs_cb_break_for_volume_callback, "break-v-cb") \ E_(afs_cb_break_for_zap, "break-zap") diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h index 9a448fe9355d..920b6a303d60 100644 --- a/include/trace/events/cachefiles.h +++ b/include/trace/events/cachefiles.h @@ -178,7 +178,7 @@ TRACE_EVENT(cachefiles_unlink, ), TP_fast_assign( - __entry->obj = obj->fscache.debug_id; + __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX; __entry->de = de; __entry->why = why; ), @@ -205,7 +205,7 @@ TRACE_EVENT(cachefiles_rename, ), TP_fast_assign( - __entry->obj = obj->fscache.debug_id; + __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX; __entry->de = de; __entry->to = to; __entry->why = why; @@ -305,7 +305,7 @@ TRACE_EVENT(cachefiles_mark_buried, ), TP_fast_assign( - __entry->obj = obj->fscache.debug_id; + __entry->obj = obj ? obj->fscache.debug_id : UINT_MAX; __entry->de = de; __entry->why = why; ), diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h index bf9806fd1306..db4f2cec8360 100644 --- a/include/trace/events/erofs.h +++ b/include/trace/events/erofs.h @@ -35,20 +35,20 @@ TRACE_EVENT(erofs_lookup, TP_STRUCT__entry( __field(dev_t, dev ) __field(erofs_nid_t, nid ) - __field(const char *, name ) + __string(name, dentry->d_name.name ) __field(unsigned int, flags ) ), TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->nid = EROFS_I(dir)->nid; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->flags = flags; ), TP_printk("dev = (%d,%d), pnid = %llu, name:%s, flags:%x", show_dev_nid(__entry), - __entry->name, + __get_str(name), __entry->flags) ); diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h index 20e435fe657a..3246f2c74696 100644 --- a/include/uapi/linux/android/binder.h +++ b/include/uapi/linux/android/binder.h @@ -225,7 +225,14 @@ struct binder_freeze_info { struct binder_frozen_status_info { __u32 pid; + + /* process received sync transactions since last frozen + * bit 0: received sync transaction after being frozen + * bit 1: new pending sync transaction during freezing + */ __u32 sync_recv; + + /* process received async transactions since last frozen */ __u32 async_recv; }; diff --git a/include/uapi/linux/cifs/cifs_mount.h b/include/uapi/linux/cifs/cifs_mount.h index 69829205fdb5..8e87d27b0951 100644 --- a/include/uapi/linux/cifs/cifs_mount.h +++ b/include/uapi/linux/cifs/cifs_mount.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */ /* - * include/uapi/linux/cifs/cifs_mount.h * * Author(s): Scott Lovenberg (scott.lovenberg@gmail.com) * diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h index 6135d92e0d47..daf82a230c0e 100644 --- a/include/uapi/linux/hyperv.h +++ b/include/uapi/linux/hyperv.h @@ -26,7 +26,7 @@ #ifndef _UAPI_HYPERV_H #define _UAPI_HYPERV_H -#include <linux/uuid.h> +#include <linux/types.h> /* * Framework version for util services. diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 59ef35154e3d..b270a07b285e 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -317,13 +317,19 @@ enum { IORING_REGISTER_IOWQ_AFF = 17, IORING_UNREGISTER_IOWQ_AFF = 18, - /* set/get max number of workers */ + /* set/get max number of io-wq workers */ IORING_REGISTER_IOWQ_MAX_WORKERS = 19, /* this goes last */ IORING_REGISTER_LAST }; +/* io-wq worker categories */ +enum { + IO_WQ_BOUND, + IO_WQ_UNBOUND, +}; + /* deprecated, see struct io_uring_rsrc_update */ struct io_uring_files_update { __u32 offset; diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h index b96c1ea7166d..eda0426ec4c2 100644 --- a/include/uapi/linux/xfrm.h +++ b/include/uapi/linux/xfrm.h @@ -213,13 +213,13 @@ enum { XFRM_MSG_GETSPDINFO, #define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO + XFRM_MSG_MAPPING, +#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING + XFRM_MSG_SETDEFAULT, #define XFRM_MSG_SETDEFAULT XFRM_MSG_SETDEFAULT XFRM_MSG_GETDEFAULT, #define XFRM_MSG_GETDEFAULT XFRM_MSG_GETDEFAULT - - XFRM_MSG_MAPPING, -#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING __XFRM_MSG_MAX }; #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1) @@ -514,9 +514,12 @@ struct xfrm_user_offload { #define XFRM_OFFLOAD_INBOUND 2 struct xfrm_userpolicy_default { -#define XFRM_USERPOLICY_DIRMASK_MAX (sizeof(__u8) * 8) - __u8 dirmask; - __u8 action; +#define XFRM_USERPOLICY_UNSPEC 0 +#define XFRM_USERPOLICY_BLOCK 1 +#define XFRM_USERPOLICY_ACCEPT 2 + __u8 in; + __u8 fwd; + __u8 out; }; #ifndef __KERNEL__ diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index 1d84ec9db93b..5859ca0a1439 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -784,6 +784,7 @@ struct snd_rawmidi_status { #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) +#define SNDRV_RAWMIDI_IOCTL_USER_PVERSION _IOW('W', 0x02, int) #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h index 39a5580f8feb..a3584a357f35 100644 --- a/include/xen/xen-ops.h +++ b/include/xen/xen-ops.h @@ -46,30 +46,18 @@ extern unsigned long *xen_contiguous_bitmap; int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order, unsigned int address_bits, dma_addr_t *dma_handle); - void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order); -#else -static inline int xen_create_contiguous_region(phys_addr_t pstart, - unsigned int order, - unsigned int address_bits, - dma_addr_t *dma_handle) -{ - return 0; -} - -static inline void xen_destroy_contiguous_region(phys_addr_t pstart, - unsigned int order) { } #endif #if defined(CONFIG_XEN_PV) int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot, - unsigned int domid, bool no_translate, struct page **pages); + unsigned int domid, bool no_translate); #else static inline int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot, unsigned int domid, - bool no_translate, struct page **pages) + bool no_translate) { BUG(); return 0; @@ -146,7 +134,7 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, */ BUG_ON(err_ptr == NULL); return xen_remap_pfn(vma, addr, gfn, nr, err_ptr, prot, domid, - false, pages); + false); } /* @@ -158,7 +146,6 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, * @err_ptr: Returns per-MFN error status. * @prot: page protection mask * @domid: Domain owning the pages - * @pages: Array of pages if this domain has an auto-translated physmap * * @mfn and @err_ptr may point to the same buffer, the MFNs will be * overwritten by the error codes after they are mapped. @@ -169,14 +156,13 @@ static inline int xen_remap_domain_gfn_array(struct vm_area_struct *vma, static inline int xen_remap_domain_mfn_array(struct vm_area_struct *vma, unsigned long addr, xen_pfn_t *mfn, int nr, int *err_ptr, - pgprot_t prot, unsigned int domid, - struct page **pages) + pgprot_t prot, unsigned int domid) { if (xen_feature(XENFEAT_auto_translated_physmap)) return -EOPNOTSUPP; return xen_remap_pfn(vma, addr, mfn, nr, err_ptr, prot, domid, - true, pages); + true); } /* xen_remap_domain_gfn_range() - map a range of foreign frames @@ -200,8 +186,7 @@ static inline int xen_remap_domain_gfn_range(struct vm_area_struct *vma, if (xen_feature(XENFEAT_auto_translated_physmap)) return -EOPNOTSUPP; - return xen_remap_pfn(vma, addr, &gfn, nr, NULL, prot, domid, false, - pages); + return xen_remap_pfn(vma, addr, &gfn, nr, NULL, prot, domid, false); } int xen_unmap_domain_gfn_range(struct vm_area_struct *vma, diff --git a/init/do_mounts.c b/init/do_mounts.c index 2ed30ff6c906..762b534978d9 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -338,20 +338,19 @@ __setup("rootflags=", root_data_setup); __setup("rootfstype=", fs_names_setup); __setup("rootdelay=", root_delay_setup); -static int __init split_fs_names(char *page, char *names) +/* This can return zero length strings. Caller should check */ +static int __init split_fs_names(char *page, size_t size, char *names) { - int count = 0; + int count = 1; char *p = page; - strcpy(p, root_fs_names); + strlcpy(p, root_fs_names, size); while (*p++) { - if (p[-1] == ',') + if (p[-1] == ',') { p[-1] = '\0'; + count++; + } } - *p = '\0'; - - for (p = page; *p; p += strlen(p)+1) - count++; return count; } @@ -404,12 +403,16 @@ void __init mount_block_root(char *name, int flags) scnprintf(b, BDEVNAME_SIZE, "unknown-block(%u,%u)", MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); if (root_fs_names) - num_fs = split_fs_names(fs_names, root_fs_names); + num_fs = split_fs_names(fs_names, PAGE_SIZE, root_fs_names); else num_fs = list_bdev_fs_names(fs_names, PAGE_SIZE); retry: for (i = 0, p = fs_names; i < num_fs; i++, p += strlen(p)+1) { - int err = do_mount_root(name, p, flags, root_mount_data); + int err; + + if (!*p) + continue; + err = do_mount_root(name, p, flags, root_mount_data); switch (err) { case 0: goto out; @@ -543,19 +546,18 @@ static int __init mount_nodev_root(void) fs_names = (void *)__get_free_page(GFP_KERNEL); if (!fs_names) return -EINVAL; - num_fs = split_fs_names(fs_names, root_fs_names); + num_fs = split_fs_names(fs_names, PAGE_SIZE, root_fs_names); for (i = 0, fstype = fs_names; i < num_fs; i++, fstype += strlen(fstype) + 1) { + if (!*fstype) + continue; if (!fs_is_nodev(fstype)) continue; err = do_mount_root(root_device_name, fstype, root_mountflags, root_mount_data); if (!err) break; - if (err != -EACCES && err != -EINVAL) - panic("VFS: Unable to mount root \"%s\" (%s), err=%d\n", - root_device_name, fstype, err); } free_page((unsigned long)fs_names); diff --git a/init/main.c b/init/main.c index 5c9a48df90e1..81a79a77db46 100644 --- a/init/main.c +++ b/init/main.c @@ -924,7 +924,7 @@ static void __init print_unknown_bootoptions(void) end += sprintf(end, " %s", *p); pr_notice("Unknown command line parameters:%s\n", unknown_options); - memblock_free(__pa(unknown_options), len); + memblock_free_ptr(unknown_options, len); } asmlinkage __visible void __init __no_sanitize_address start_kernel(void) @@ -1242,7 +1242,7 @@ trace_initcall_start_cb(void *data, initcall_t fn) { ktime_t *calltime = (ktime_t *)data; - printk(KERN_DEBUG "calling %pS @ %i irqs_disabled() %d\n", fn, task_pid_nr(current), irqs_disabled()); + printk(KERN_DEBUG "calling %pS @ %i\n", fn, task_pid_nr(current)); *calltime = ktime_get(); } @@ -1256,8 +1256,8 @@ trace_initcall_finish_cb(void *data, initcall_t fn, int ret) rettime = ktime_get(); delta = ktime_sub(rettime, *calltime); duration = (unsigned long long) ktime_to_ns(delta) >> 10; - printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs, irqs_disabled() %d\n", - fn, ret, duration, irqs_disabled()); + printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs\n", + fn, ret, duration); } static ktime_t initcall_calltime; diff --git a/ipc/sem.c b/ipc/sem.c index f833238df1ce..6693daf4fe11 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -2238,7 +2238,7 @@ static long do_semtimedop(int semid, struct sembuf __user *tsops, return -EINVAL; if (nsops > SEMOPM_FAST) { - sops = kvmalloc_array(nsops, sizeof(*sops), GFP_KERNEL_ACCOUNT); + sops = kvmalloc_array(nsops, sizeof(*sops), GFP_KERNEL); if (sops == NULL) return -ENOMEM; } diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c index d6731c32864e..9abcc33f02cf 100644 --- a/kernel/bpf/bpf_struct_ops.c +++ b/kernel/bpf/bpf_struct_ops.c @@ -368,6 +368,7 @@ static int bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key, const struct btf_type *mtype, *ptype; struct bpf_prog *prog; u32 moff; + u32 flags; moff = btf_member_bit_offset(t, member) / 8; ptype = btf_type_resolve_ptr(btf_vmlinux, member->type, NULL); @@ -431,10 +432,12 @@ static int bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key, tprogs[BPF_TRAMP_FENTRY].progs[0] = prog; tprogs[BPF_TRAMP_FENTRY].nr_progs = 1; + flags = st_ops->func_models[i].ret_size > 0 ? + BPF_TRAMP_F_RET_FENTRY_RET : 0; err = arch_prepare_bpf_trampoline(NULL, image, st_map->image + PAGE_SIZE, - &st_ops->func_models[i], 0, - tprogs, NULL); + &st_ops->func_models[i], + flags, tprogs, NULL); if (err < 0) goto reset_unlock; diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 9f4636d021b1..d6b7dfdd8066 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -827,7 +827,7 @@ int bpf_jit_charge_modmem(u32 pages) { if (atomic_long_add_return(pages, &bpf_jit_current) > (bpf_jit_limit >> PAGE_SHIFT)) { - if (!capable(CAP_SYS_ADMIN)) { + if (!bpf_capable()) { atomic_long_sub(pages, &bpf_jit_current); return -EPERM; } diff --git a/kernel/bpf/disasm.c b/kernel/bpf/disasm.c index ca3cd9aaa6ce..7b4afb7d96db 100644 --- a/kernel/bpf/disasm.c +++ b/kernel/bpf/disasm.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0-only +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com * Copyright (c) 2016 Facebook */ diff --git a/kernel/bpf/disasm.h b/kernel/bpf/disasm.h index e546b18d27da..a4b040793f44 100644 --- a/kernel/bpf/disasm.h +++ b/kernel/bpf/disasm.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com * Copyright (c) 2016 Facebook */ diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index e8eefdf8cf3e..6e75bbee39f0 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -63,7 +63,8 @@ static inline int stack_map_data_size(struct bpf_map *map) static int prealloc_elems_and_freelist(struct bpf_stack_map *smap) { - u32 elem_size = sizeof(struct stack_map_bucket) + smap->map.value_size; + u64 elem_size = sizeof(struct stack_map_bucket) + + (u64)smap->map.value_size; int err; smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries, @@ -179,7 +180,7 @@ static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs, * with build_id. */ if (!user || !current || !current->mm || irq_work_busy || - !mmap_read_trylock_non_owner(current->mm)) { + !mmap_read_trylock(current->mm)) { /* cannot access current->mm, fall back to ips */ for (i = 0; i < trace_nr; i++) { id_offs[i].status = BPF_STACK_BUILD_ID_IP; @@ -204,9 +205,15 @@ static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs, } if (!work) { - mmap_read_unlock_non_owner(current->mm); + mmap_read_unlock(current->mm); } else { work->mm = current->mm; + + /* The lock will be released once we're out of interrupt + * context. Tell lockdep that we've released it now so + * it doesn't complain that we forgot to release it. + */ + rwsem_release(¤t->mm->mmap_lock.dep_map, _RET_IP_); irq_work_queue(&work->irq_work); } } diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 047ac4b4703b..e76b55917905 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -9912,6 +9912,8 @@ static int check_btf_line(struct bpf_verifier_env *env, nr_linfo = attr->line_info_cnt; if (!nr_linfo) return 0; + if (nr_linfo > INT_MAX / sizeof(struct bpf_line_info)) + return -EINVAL; rec_size = attr->line_info_rec_size; if (rec_size < MIN_BPF_LINEINFO_SIZE || diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 881ce1470beb..570b0c97392a 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -6572,74 +6572,51 @@ int cgroup_parse_float(const char *input, unsigned dec_shift, s64 *v) */ #ifdef CONFIG_SOCK_CGROUP_DATA -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) - -DEFINE_SPINLOCK(cgroup_sk_update_lock); -static bool cgroup_sk_alloc_disabled __read_mostly; - -void cgroup_sk_alloc_disable(void) -{ - if (cgroup_sk_alloc_disabled) - return; - pr_info("cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation\n"); - cgroup_sk_alloc_disabled = true; -} - -#else - -#define cgroup_sk_alloc_disabled false - -#endif - void cgroup_sk_alloc(struct sock_cgroup_data *skcd) { - if (cgroup_sk_alloc_disabled) { - skcd->no_refcnt = 1; - return; - } - - /* Don't associate the sock with unrelated interrupted task's cgroup. */ - if (in_interrupt()) - return; + struct cgroup *cgroup; rcu_read_lock(); + /* Don't associate the sock with unrelated interrupted task's cgroup. */ + if (in_interrupt()) { + cgroup = &cgrp_dfl_root.cgrp; + cgroup_get(cgroup); + goto out; + } while (true) { struct css_set *cset; cset = task_css_set(current); if (likely(cgroup_tryget(cset->dfl_cgrp))) { - skcd->val = (unsigned long)cset->dfl_cgrp; - cgroup_bpf_get(cset->dfl_cgrp); + cgroup = cset->dfl_cgrp; break; } cpu_relax(); } - +out: + skcd->cgroup = cgroup; + cgroup_bpf_get(cgroup); rcu_read_unlock(); } void cgroup_sk_clone(struct sock_cgroup_data *skcd) { - if (skcd->val) { - if (skcd->no_refcnt) - return; - /* - * We might be cloning a socket which is left in an empty - * cgroup and the cgroup might have already been rmdir'd. - * Don't use cgroup_get_live(). - */ - cgroup_get(sock_cgroup_ptr(skcd)); - cgroup_bpf_get(sock_cgroup_ptr(skcd)); - } + struct cgroup *cgrp = sock_cgroup_ptr(skcd); + + /* + * We might be cloning a socket which is left in an empty + * cgroup and the cgroup might have already been rmdir'd. + * Don't use cgroup_get_live(). + */ + cgroup_get(cgrp); + cgroup_bpf_get(cgrp); } void cgroup_sk_free(struct sock_cgroup_data *skcd) { struct cgroup *cgrp = sock_cgroup_ptr(skcd); - if (skcd->no_refcnt) - return; cgroup_bpf_put(cgrp); cgroup_put(cgrp); } diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 6c90c69e5311..95445bd6eb72 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -567,7 +567,8 @@ static void add_dma_entry(struct dma_debug_entry *entry) pr_err("cacheline tracking ENOMEM, dma-debug disabled\n"); global_disable = true; } else if (rc == -EEXIST) { - pr_err("cacheline tracking EEXIST, overlapping mappings aren't supported\n"); + err_printk(entry->dev, entry, + "cacheline tracking EEXIST, overlapping mappings aren't supported\n"); } } diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 7ee5284bff58..06fec5547e7c 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -206,7 +206,8 @@ static int __dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, /** * dma_map_sg_attrs - Map the given buffer for DMA * @dev: The device for which to perform the DMA operation - * @sg: The sg_table object describing the buffer + * @sg: The sg_table object describing the buffer + * @nents: Number of entries to map * @dir: DMA direction * @attrs: Optional DMA attributes for the map operation * diff --git a/kernel/entry/common.c b/kernel/entry/common.c index bf16395b9e13..d5a61d565ad5 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -171,10 +171,8 @@ static unsigned long exit_to_user_mode_loop(struct pt_regs *regs, if (ti_work & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) handle_signal_work(regs, ti_work); - if (ti_work & _TIF_NOTIFY_RESUME) { + if (ti_work & _TIF_NOTIFY_RESUME) tracehook_notify_resume(regs); - rseq_handle_notify_resume(NULL, regs); - } /* Architecture specific TIF work */ arch_exit_to_user_mode_work(regs, ti_work); diff --git a/kernel/events/core.c b/kernel/events/core.c index 744e8726c5b2..f23ca260307f 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3707,6 +3707,29 @@ static noinline int visit_groups_merge(struct perf_cpu_context *cpuctx, return 0; } +static inline bool event_update_userpage(struct perf_event *event) +{ + if (likely(!atomic_read(&event->mmap_count))) + return false; + + perf_event_update_time(event); + perf_set_shadow_time(event, event->ctx); + perf_event_update_userpage(event); + + return true; +} + +static inline void group_update_userpage(struct perf_event *group_event) +{ + struct perf_event *event; + + if (!event_update_userpage(group_event)) + return; + + for_each_sibling_event(event, group_event) + event_update_userpage(event); +} + static int merge_sched_in(struct perf_event *event, void *data) { struct perf_event_context *ctx = event->ctx; @@ -3725,14 +3748,15 @@ static int merge_sched_in(struct perf_event *event, void *data) } if (event->state == PERF_EVENT_STATE_INACTIVE) { + *can_add_hw = 0; if (event->attr.pinned) { perf_cgroup_event_disable(event, ctx); perf_event_set_state(event, PERF_EVENT_STATE_ERROR); + } else { + ctx->rotate_necessary = 1; + perf_mux_hrtimer_restart(cpuctx); + group_update_userpage(event); } - - *can_add_hw = 0; - ctx->rotate_necessary = 1; - perf_mux_hrtimer_restart(cpuctx); } return 0; @@ -6324,6 +6348,8 @@ accounting: ring_buffer_attach(event, rb); + perf_event_update_time(event); + perf_set_shadow_time(event, event->ctx); perf_event_init_userpage(event); perf_event_update_userpage(event); } else { @@ -10193,7 +10219,7 @@ static void perf_event_addr_filters_apply(struct perf_event *event) return; if (ifh->nr_file_filters) { - mm = get_task_mm(event->ctx->task); + mm = get_task_mm(task); if (!mm) goto restart; diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 19e83e9b723c..4d8fc65cf38f 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -136,7 +136,7 @@ EXPORT_SYMBOL_GPL(irq_domain_free_fwnode); * Allocates and initializes an irq_domain structure. * Returns pointer to IRQ domain, or NULL on failure. */ -struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size, +struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int size, irq_hw_number_t hwirq_max, int direct_max, const struct irq_domain_ops *ops, void *host_data) diff --git a/kernel/locking/rwbase_rt.c b/kernel/locking/rwbase_rt.c index 4ba15088e640..88191f6e252c 100644 --- a/kernel/locking/rwbase_rt.c +++ b/kernel/locking/rwbase_rt.c @@ -41,6 +41,12 @@ * The risk of writer starvation is there, but the pathological use cases * which trigger it are not necessarily the typical RT workloads. * + * Fast-path orderings: + * The lock/unlock of readers can run in fast paths: lock and unlock are only + * atomic ops, and there is no inner lock to provide ACQUIRE and RELEASE + * semantics of rwbase_rt. Atomic ops should thus provide _acquire() + * and _release() (or stronger). + * * Common code shared between RT rw_semaphore and rwlock */ @@ -53,6 +59,7 @@ static __always_inline int rwbase_read_trylock(struct rwbase_rt *rwb) * set. */ for (r = atomic_read(&rwb->readers); r < 0;) { + /* Fully-ordered if cmpxchg() succeeds, provides ACQUIRE */ if (likely(atomic_try_cmpxchg(&rwb->readers, &r, r + 1))) return 1; } @@ -162,6 +169,8 @@ static __always_inline void rwbase_read_unlock(struct rwbase_rt *rwb, /* * rwb->readers can only hit 0 when a writer is waiting for the * active readers to leave the critical section. + * + * dec_and_test() is fully ordered, provides RELEASE. */ if (unlikely(atomic_dec_and_test(&rwb->readers))) __rwbase_read_unlock(rwb, state); @@ -172,7 +181,11 @@ static inline void __rwbase_write_unlock(struct rwbase_rt *rwb, int bias, { struct rt_mutex_base *rtm = &rwb->rtmutex; - atomic_add(READER_BIAS - bias, &rwb->readers); + /* + * _release() is needed in case that reader is in fast path, pairing + * with atomic_try_cmpxchg() in rwbase_read_trylock(), provides RELEASE + */ + (void)atomic_add_return_release(READER_BIAS - bias, &rwb->readers); raw_spin_unlock_irqrestore(&rtm->wait_lock, flags); rwbase_rtmutex_unlock(rtm); } @@ -196,6 +209,23 @@ static inline void rwbase_write_downgrade(struct rwbase_rt *rwb) __rwbase_write_unlock(rwb, WRITER_BIAS - 1, flags); } +static inline bool __rwbase_write_trylock(struct rwbase_rt *rwb) +{ + /* Can do without CAS because we're serialized by wait_lock. */ + lockdep_assert_held(&rwb->rtmutex.wait_lock); + + /* + * _acquire is needed in case the reader is in the fast path, pairing + * with rwbase_read_unlock(), provides ACQUIRE. + */ + if (!atomic_read_acquire(&rwb->readers)) { + atomic_set(&rwb->readers, WRITER_BIAS); + return 1; + } + + return 0; +} + static int __sched rwbase_write_lock(struct rwbase_rt *rwb, unsigned int state) { @@ -210,34 +240,30 @@ static int __sched rwbase_write_lock(struct rwbase_rt *rwb, atomic_sub(READER_BIAS, &rwb->readers); raw_spin_lock_irqsave(&rtm->wait_lock, flags); - /* - * set_current_state() for rw_semaphore - * current_save_and_set_rtlock_wait_state() for rwlock - */ - rwbase_set_and_save_current_state(state); + if (__rwbase_write_trylock(rwb)) + goto out_unlock; - /* Block until all readers have left the critical section. */ - for (; atomic_read(&rwb->readers);) { + rwbase_set_and_save_current_state(state); + for (;;) { /* Optimized out for rwlocks */ if (rwbase_signal_pending_state(state, current)) { - __set_current_state(TASK_RUNNING); + rwbase_restore_current_state(); __rwbase_write_unlock(rwb, 0, flags); return -EINTR; } + + if (__rwbase_write_trylock(rwb)) + break; + raw_spin_unlock_irqrestore(&rtm->wait_lock, flags); + rwbase_schedule(); + raw_spin_lock_irqsave(&rtm->wait_lock, flags); - /* - * Schedule and wait for the readers to leave the critical - * section. The last reader leaving it wakes the waiter. - */ - if (atomic_read(&rwb->readers) != 0) - rwbase_schedule(); set_current_state(state); - raw_spin_lock_irqsave(&rtm->wait_lock, flags); } - - atomic_set(&rwb->readers, WRITER_BIAS); rwbase_restore_current_state(); + +out_unlock: raw_spin_unlock_irqrestore(&rtm->wait_lock, flags); return 0; } @@ -253,8 +279,7 @@ static inline int rwbase_write_trylock(struct rwbase_rt *rwb) atomic_sub(READER_BIAS, &rwb->readers); raw_spin_lock_irqsave(&rtm->wait_lock, flags); - if (!atomic_read(&rwb->readers)) { - atomic_set(&rwb->readers, WRITER_BIAS); + if (__rwbase_write_trylock(rwb)) { raw_spin_unlock_irqrestore(&rtm->wait_lock, flags); return 1; } diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 825277e1e742..a8d0a58deebc 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1166,9 +1166,9 @@ void __init setup_log_buf(int early) return; err_free_descs: - memblock_free(__pa(new_descs), new_descs_size); + memblock_free_ptr(new_descs, new_descs_size); err_free_log_buf: - memblock_free(__pa(new_log_buf), new_log_buf_len); + memblock_free_ptr(new_log_buf, new_log_buf_len); } static bool __read_mostly ignore_loglevel; diff --git a/kernel/rseq.c b/kernel/rseq.c index 35f7bd0fced0..6d45ac3dae7f 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -282,9 +282,17 @@ void __rseq_handle_notify_resume(struct ksignal *ksig, struct pt_regs *regs) if (unlikely(t->flags & PF_EXITING)) return; - ret = rseq_ip_fixup(regs); - if (unlikely(ret < 0)) - goto error; + + /* + * regs is NULL if and only if the caller is in a syscall path. Skip + * fixup and leave rseq_cs as is so that rseq_sycall() will detect and + * kill a misbehaving userspace on debug kernels. + */ + if (regs) { + ret = rseq_ip_fixup(regs); + if (unlikely(ret < 0)) + goto error; + } if (unlikely(rseq_update_cpu_id(t))) goto error; return; diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 49716228efb4..17a653b67006 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -173,16 +173,22 @@ static ssize_t sched_scaling_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { char buf[16]; + unsigned int scaling; if (cnt > 15) cnt = 15; if (copy_from_user(&buf, ubuf, cnt)) return -EFAULT; + buf[cnt] = '\0'; - if (kstrtouint(buf, 10, &sysctl_sched_tunable_scaling)) + if (kstrtouint(buf, 10, &scaling)) return -EINVAL; + if (scaling >= SCHED_TUNABLESCALING_END) + return -EINVAL; + + sysctl_sched_tunable_scaling = scaling; if (sched_update_scaling()) return -EINVAL; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index ff69f245b939..f6a05d9b5443 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4936,8 +4936,12 @@ void unthrottle_cfs_rq(struct cfs_rq *cfs_rq) /* update hierarchical throttle state */ walk_tg_tree_from(cfs_rq->tg, tg_nop, tg_unthrottle_up, (void *)rq); - if (!cfs_rq->load.weight) + /* Nothing to run but something to decay (on_list)? Complete the branch */ + if (!cfs_rq->load.weight) { + if (cfs_rq->on_list) + goto unthrottle_throttle; return; + } task_delta = cfs_rq->h_nr_running; idle_task_delta = cfs_rq->idle_h_nr_running; diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c index ee736861b18f..643d412ac623 100644 --- a/kernel/time/posix-cpu-timers.c +++ b/kernel/time/posix-cpu-timers.c @@ -1404,7 +1404,8 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clkid, } } - *newval += now; + if (*newval) + *newval += now; } /* diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index c221e4c3f625..fa91f398f28b 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1605,6 +1605,14 @@ static int blk_trace_remove_queue(struct request_queue *q) if (bt == NULL) return -EINVAL; + if (bt->trace_state == Blktrace_running) { + bt->trace_state = Blktrace_stopped; + spin_lock_irq(&running_trace_lock); + list_del_init(&bt->running_list); + spin_unlock_irq(&running_trace_lock); + relay_flush(bt->rchan); + } + put_probe_ref(); synchronize_rcu(); blk_trace_free(bt); diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ed4a31e34098..2a9b6dcdac4f 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -295,7 +295,7 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_DWARF5 bool "Generate DWARF Version 5 debuginfo" - depends on GCC_VERSION >= 50000 || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502))) + depends on !CC_IS_CLANG || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502))) depends on !DEBUG_INFO_BTF help Generate DWARF v5 debug info. Requires binutils 2.35.2, gcc 5.0+ (gcc @@ -346,7 +346,7 @@ config FRAME_WARN int "Warn for stack frames larger than" range 0 8192 default 2048 if GCC_PLUGIN_LATENT_ENTROPY - default 1536 if (!64BIT && PARISC) + default 1536 if (!64BIT && (PARISC || XTENSA)) default 1024 if (!64BIT && !PARISC) default 2048 if 64BIT help diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 1e2d10f86011..cdc842d090db 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -66,6 +66,7 @@ choice config KASAN_GENERIC bool "Generic mode" depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC + depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS select SLUB_DEBUG if SLUB select CONSTRUCTORS help @@ -86,6 +87,7 @@ config KASAN_GENERIC config KASAN_SW_TAGS bool "Software tag-based mode" depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS + depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS select SLUB_DEBUG if SLUB select CONSTRUCTORS help diff --git a/lib/bootconfig.c b/lib/bootconfig.c index f8419cff1147..5ae248b29373 100644 --- a/lib/bootconfig.c +++ b/lib/bootconfig.c @@ -792,7 +792,7 @@ void __init xbc_destroy_all(void) xbc_data = NULL; xbc_data_size = 0; xbc_node_num = 0; - memblock_free(__pa(xbc_nodes), sizeof(struct xbc_node) * XBC_NODE_MAX); + memblock_free_ptr(xbc_nodes, sizeof(struct xbc_node) * XBC_NODE_MAX); xbc_nodes = NULL; brace_index = 0; } diff --git a/lib/iov_iter.c b/lib/iov_iter.c index f2d50d69a6c3..755c10c5138c 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1972,3 +1972,39 @@ int import_single_range(int rw, void __user *buf, size_t len, return 0; } EXPORT_SYMBOL(import_single_range); + +/** + * iov_iter_restore() - Restore a &struct iov_iter to the same state as when + * iov_iter_save_state() was called. + * + * @i: &struct iov_iter to restore + * @state: state to restore from + * + * Used after iov_iter_save_state() to bring restore @i, if operations may + * have advanced it. + * + * Note: only works on ITER_IOVEC, ITER_BVEC, and ITER_KVEC + */ +void iov_iter_restore(struct iov_iter *i, struct iov_iter_state *state) +{ + if (WARN_ON_ONCE(!iov_iter_is_bvec(i) && !iter_is_iovec(i)) && + !iov_iter_is_kvec(i)) + return; + i->iov_offset = state->iov_offset; + i->count = state->count; + /* + * For the *vec iters, nr_segs + iov is constant - if we increment + * the vec, then we also decrement the nr_segs count. Hence we don't + * need to track both of these, just one is enough and we can deduct + * the other from that. ITER_KVEC and ITER_IOVEC are the same struct + * size, so we can just increment the iov pointer as they are unionzed. + * ITER_BVEC _may_ be the same size on some archs, but on others it is + * not. Be safe and handle it separately. + */ + BUILD_BUG_ON(sizeof(struct iovec) != sizeof(struct kvec)); + if (iov_iter_is_bvec(i)) + i->bvec -= state->nr_segs - i->nr_segs; + else + i->iov -= state->nr_segs - i->nr_segs; + i->nr_segs = state->nr_segs; +} diff --git a/lib/packing.c b/lib/packing.c index 6ed72dccfdb5..9a72f4bbf0e2 100644 --- a/lib/packing.c +++ b/lib/packing.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 -/* Copyright (c) 2016-2018, NXP Semiconductors +/* Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #include <linux/packing.h> diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 2d3eb1cb73b8..ce39ce9f3526 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -134,4 +134,47 @@ void __iomem *pci_iomap_wc(struct pci_dev *dev, int bar, unsigned long maxlen) return pci_iomap_wc_range(dev, bar, 0, maxlen); } EXPORT_SYMBOL_GPL(pci_iomap_wc); + +/* + * pci_iounmap() somewhat illogically comes from lib/iomap.c for the + * CONFIG_GENERIC_IOMAP case, because that's the code that knows about + * the different IOMAP ranges. + * + * But if the architecture does not use the generic iomap code, and if + * it has _not_ defined it's own private pci_iounmap function, we define + * it here. + * + * NOTE! This default implementation assumes that if the architecture + * support ioport mapping (HAS_IOPORT_MAP), the ioport mapping will + * be fixed to the range [ PCI_IOBASE, PCI_IOBASE+IO_SPACE_LIMIT [, + * and does not need unmapping with 'ioport_unmap()'. + * + * If you have different rules for your architecture, you need to + * implement your own pci_iounmap() that knows the rules for where + * and how IO vs MEM get mapped. + * + * This code is odd, and the ARCH_HAS/ARCH_WANTS #define logic comes + * from legacy <asm-generic/io.h> header file behavior. In particular, + * it would seem to make sense to do the iounmap(p) for the non-IO-space + * case here regardless, but that's not what the old header file code + * did. Probably incorrectly, but this is meant to be bug-for-bug + * compatible. + */ +#if defined(ARCH_WANTS_GENERIC_PCI_IOUNMAP) + +void pci_iounmap(struct pci_dev *dev, void __iomem *p) +{ +#ifdef ARCH_HAS_GENERIC_IOPORT_MAP + uintptr_t start = (uintptr_t) PCI_IOBASE; + uintptr_t addr = (uintptr_t) p; + + if (addr >= start && addr < start + IO_SPACE_LIMIT) + return; + iounmap(p); +#endif +} +EXPORT_SYMBOL(pci_iounmap); + +#endif /* ARCH_WANTS_GENERIC_PCI_IOUNMAP */ + #endif /* CONFIG_PCI */ diff --git a/lib/zlib_inflate/inffast.c b/lib/zlib_inflate/inffast.c index f19c4fbe1be7..2843f9bb42ac 100644 --- a/lib/zlib_inflate/inffast.c +++ b/lib/zlib_inflate/inffast.c @@ -253,13 +253,12 @@ void inflate_fast(z_streamp strm, unsigned start) sfrom = (unsigned short *)(from); loops = len >> 1; - do -#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - *sout++ = *sfrom++; -#else - *sout++ = get_unaligned16(sfrom++); -#endif - while (--loops); + do { + if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)) + *sout++ = *sfrom++; + else + *sout++ = get_unaligned16(sfrom++); + } while (--loops); out = (unsigned char *)sout; from = (unsigned char *)sfrom; } else { /* dist == 1 or dist == 2 */ diff --git a/mm/damon/dbgfs-test.h b/mm/damon/dbgfs-test.h index 930e83bceef0..4eddcfa73996 100644 --- a/mm/damon/dbgfs-test.h +++ b/mm/damon/dbgfs-test.h @@ -20,27 +20,27 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) ssize_t nr_integers = 0, i; question = "123"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "123abc"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers); KUNIT_EXPECT_EQ(test, 123ul, answers[0]); kfree(answers); question = "a123"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); question = "12 35"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < nr_integers; i++) @@ -48,7 +48,7 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = "12 35 46"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)3, nr_integers); for (i = 0; i < nr_integers; i++) @@ -56,7 +56,7 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = "12 35 abc 46"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers); for (i = 0; i < 2; i++) @@ -64,13 +64,13 @@ static void damon_dbgfs_test_str_to_target_ids(struct kunit *test) kfree(answers); question = ""; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); question = "\n"; - answers = str_to_target_ids(question, strnlen(question, 128), + answers = str_to_target_ids(question, strlen(question), &nr_integers); KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers); kfree(answers); diff --git a/mm/debug.c b/mm/debug.c index e73fe0a8ec3d..fae0f81ad831 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -24,7 +24,9 @@ const char *migrate_reason_names[MR_TYPES] = { "syscall_or_cpuset", "mempolicy_mbind", "numa_misplaced", - "cma", + "contig_range", + "longterm_pin", + "demotion", }; const struct trace_print_flags pageflag_names[] = { @@ -651,10 +651,8 @@ static void remove_node_from_stable_tree(struct stable_node *stable_node) * from &migrate_nodes. This will verify that future list.h changes * don't break STABLE_NODE_DUP_HEAD. Only recent gcc can handle it. */ -#if defined(GCC_VERSION) && GCC_VERSION >= 40903 BUILD_BUG_ON(STABLE_NODE_DUP_HEAD <= &migrate_nodes); BUILD_BUG_ON(STABLE_NODE_DUP_HEAD >= &migrate_nodes + 1); -#endif if (stable_node->head == &migrate_nodes) list_del(&stable_node->list); diff --git a/mm/memblock.c b/mm/memblock.c index 0ab5a749bfa6..184dcd2e5d99 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -472,7 +472,7 @@ static int __init_memblock memblock_double_array(struct memblock_type *type, kfree(old_array); else if (old_array != memblock_memory_init_regions && old_array != memblock_reserved_init_regions) - memblock_free(__pa(old_array), old_alloc_size); + memblock_free_ptr(old_array, old_alloc_size); /* * Reserve the new array if that comes from the memblock. Otherwise, we @@ -796,6 +796,20 @@ int __init_memblock memblock_remove(phys_addr_t base, phys_addr_t size) } /** + * memblock_free_ptr - free boot memory allocation + * @ptr: starting address of the boot memory allocation + * @size: size of the boot memory block in bytes + * + * Free boot memory block previously allocated by memblock_alloc_xx() API. + * The freeing memory will not be released to the buddy allocator. + */ +void __init_memblock memblock_free_ptr(void *ptr, size_t size) +{ + if (ptr) + memblock_free(__pa(ptr), size); +} + +/** * memblock_free - free boot memory block * @base: phys starting address of the boot memory block * @size: size of the boot memory block in bytes diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b762215d73eb..6da5020a8656 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -106,9 +106,6 @@ static bool do_memsw_account(void) /* memcg and lruvec stats flushing */ static void flush_memcg_stats_dwork(struct work_struct *w); static DECLARE_DEFERRABLE_WORK(stats_flush_dwork, flush_memcg_stats_dwork); -static void flush_memcg_stats_work(struct work_struct *w); -static DECLARE_WORK(stats_flush_work, flush_memcg_stats_work); -static DEFINE_PER_CPU(unsigned int, stats_flush_threshold); static DEFINE_SPINLOCK(stats_flush_lock); #define THRESHOLDS_EVENTS_TARGET 128 @@ -682,8 +679,6 @@ void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, /* Update lruvec */ __this_cpu_add(pn->lruvec_stats_percpu->state[idx], val); - if (!(__this_cpu_inc_return(stats_flush_threshold) % MEMCG_CHARGE_BATCH)) - queue_work(system_unbound_wq, &stats_flush_work); } /** @@ -5361,11 +5356,6 @@ static void flush_memcg_stats_dwork(struct work_struct *w) queue_delayed_work(system_unbound_wq, &stats_flush_dwork, 2UL*HZ); } -static void flush_memcg_stats_work(struct work_struct *w) -{ - mem_cgroup_flush_stats(); -} - static void mem_cgroup_css_rstat_flush(struct cgroup_subsys_state *css, int cpu) { struct mem_cgroup *memcg = mem_cgroup_from_css(css); diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 54879c339024..3e6449f2102a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -306,6 +306,7 @@ static unsigned long dev_pagemap_mapping_shift(struct page *page, struct vm_area_struct *vma) { unsigned long address = vma_address(page, vma); + unsigned long ret = 0; pgd_t *pgd; p4d_t *p4d; pud_t *pud; @@ -329,11 +330,10 @@ static unsigned long dev_pagemap_mapping_shift(struct page *page, if (pmd_devmap(*pmd)) return PMD_SHIFT; pte = pte_offset_map(pmd, address); - if (!pte_present(*pte)) - return 0; - if (pte_devmap(*pte)) - return PAGE_SHIFT; - return 0; + if (pte_present(*pte) && pte_devmap(*pte)) + ret = PAGE_SHIFT; + pte_unmap(pte); + return ret; } /* @@ -1126,7 +1126,7 @@ static int page_action(struct page_state *ps, struct page *p, */ static inline bool HWPoisonHandlable(struct page *page) { - return PageLRU(page) || __PageMovable(page); + return PageLRU(page) || __PageMovable(page) || is_free_buddy_page(page); } static int __get_hwpoison_page(struct page *page) diff --git a/mm/memory.c b/mm/memory.c index 25fc46e87214..adf9b9ef8277 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3403,6 +3403,7 @@ void unmap_mapping_pages(struct address_space *mapping, pgoff_t start, unmap_mapping_range_tree(&mapping->i_mmap, &details); i_mmap_unlock_write(mapping); } +EXPORT_SYMBOL_GPL(unmap_mapping_pages); /** * unmap_mapping_range - unmap the portion of all mmaps in the specified diff --git a/mm/shmem.c b/mm/shmem.c index 88742953532c..b5860f4a2738 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -490,9 +490,9 @@ bool shmem_is_huge(struct vm_area_struct *vma, case SHMEM_HUGE_ALWAYS: return true; case SHMEM_HUGE_WITHIN_SIZE: - index = round_up(index, HPAGE_PMD_NR); + index = round_up(index + 1, HPAGE_PMD_NR); i_size = round_up(i_size_read(inode), PAGE_SIZE); - if (i_size >= HPAGE_PMD_SIZE && (i_size >> PAGE_SHIFT) >= index) + if (i_size >> PAGE_SHIFT >= index) return true; fallthrough; case SHMEM_HUGE_ADVISE: diff --git a/mm/swap.c b/mm/swap.c index 897200d27dd0..af3cad4e5378 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -620,7 +620,6 @@ void lru_add_drain_cpu(int cpu) pagevec_lru_move_fn(pvec, lru_lazyfree_fn); activate_page_drain(cpu); - invalidate_bh_lrus_cpu(cpu); } /** @@ -703,6 +702,20 @@ void lru_add_drain(void) local_unlock(&lru_pvecs.lock); } +/* + * It's called from per-cpu workqueue context in SMP case so + * lru_add_drain_cpu and invalidate_bh_lrus_cpu should run on + * the same cpu. It shouldn't be a problem in !SMP case since + * the core is only one and the locks will disable preemption. + */ +static void lru_add_and_bh_lrus_drain(void) +{ + local_lock(&lru_pvecs.lock); + lru_add_drain_cpu(smp_processor_id()); + local_unlock(&lru_pvecs.lock); + invalidate_bh_lrus_cpu(); +} + void lru_add_drain_cpu_zone(struct zone *zone) { local_lock(&lru_pvecs.lock); @@ -717,7 +730,7 @@ static DEFINE_PER_CPU(struct work_struct, lru_add_drain_work); static void lru_add_drain_per_cpu(struct work_struct *dummy) { - lru_add_drain(); + lru_add_and_bh_lrus_drain(); } /* @@ -858,7 +871,7 @@ void lru_cache_disable(void) */ __lru_add_drain_all(true); #else - lru_add_drain(); + lru_add_and_bh_lrus_drain(); #endif } diff --git a/mm/util.c b/mm/util.c index 499b6b5767ed..bacabe446906 100644 --- a/mm/util.c +++ b/mm/util.c @@ -787,7 +787,7 @@ int overcommit_policy_handler(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { struct ctl_table t; - int new_policy; + int new_policy = -1; int ret; /* @@ -805,7 +805,7 @@ int overcommit_policy_handler(struct ctl_table *table, int write, void *buffer, t = *table; t.data = &new_policy; ret = proc_dointvec_minmax(&t, write, buffer, lenp, ppos); - if (ret) + if (ret || new_policy == -1) return ret; mm_compute_batch(new_policy); diff --git a/mm/workingset.c b/mm/workingset.c index d4268d8e9a82..d5b81e4f4cbe 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -352,6 +352,7 @@ void workingset_refault(struct page *page, void *shadow) inc_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file); + mem_cgroup_flush_stats(); /* * Compare the distance to the existing workingset size. We * don't activate pages that couldn't stay resident even if diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 2eb0e55ef54d..b5f4ef35357c 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -552,6 +552,12 @@ static void convert_skb_to___skb(struct sk_buff *skb, struct __sk_buff *__skb) __skb->gso_segs = skb_shinfo(skb)->gso_segs; } +static struct proto bpf_dummy_proto = { + .name = "bpf_dummy", + .owner = THIS_MODULE, + .obj_size = sizeof(struct sock), +}; + int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr, union bpf_attr __user *uattr) { @@ -596,20 +602,19 @@ int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr, break; } - sk = kzalloc(sizeof(struct sock), GFP_USER); + sk = sk_alloc(net, AF_UNSPEC, GFP_USER, &bpf_dummy_proto, 1); if (!sk) { kfree(data); kfree(ctx); return -ENOMEM; } - sock_net_set(sk, net); sock_init_data(NULL, sk); skb = build_skb(data, 0); if (!skb) { kfree(data); kfree(ctx); - kfree(sk); + sk_free(sk); return -ENOMEM; } skb->sk = sk; @@ -682,8 +687,7 @@ out: if (dev && dev != net->loopback_dev) dev_put(dev); kfree_skb(skb); - bpf_sk_storage_free(sk); - kfree(sk); + sk_free(sk); kfree(ctx); return ret; } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 3523c8c7068f..f3d751105343 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1677,8 +1677,6 @@ static void br_multicast_update_querier(struct net_bridge_mcast *brmctx, int ifindex, struct br_ip *saddr) { - lockdep_assert_held_once(&brmctx->br->multicast_lock); - write_seqcount_begin(&querier->seq); querier->port_ifidx = ifindex; memcpy(&querier->addr, saddr, sizeof(*saddr)); @@ -3867,13 +3865,13 @@ void br_multicast_ctx_init(struct net_bridge *br, brmctx->ip4_other_query.delay_time = 0; brmctx->ip4_querier.port_ifidx = 0; - seqcount_init(&brmctx->ip4_querier.seq); + seqcount_spinlock_init(&brmctx->ip4_querier.seq, &br->multicast_lock); brmctx->multicast_igmp_version = 2; #if IS_ENABLED(CONFIG_IPV6) brmctx->multicast_mld_version = 1; brmctx->ip6_other_query.delay_time = 0; brmctx->ip6_querier.port_ifidx = 0; - seqcount_init(&brmctx->ip6_querier.seq); + seqcount_spinlock_init(&brmctx->ip6_querier.seq, &br->multicast_lock); #endif timer_setup(&brmctx->ip4_mc_router_timer, diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 6c58fc14d2cb..5c6c4305ed23 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1666,7 +1666,8 @@ static size_t br_get_linkxstats_size(const struct net_device *dev, int attr) } return numvls * nla_total_size(sizeof(struct bridge_vlan_xstats)) + - nla_total_size(sizeof(struct br_mcast_stats)) + + nla_total_size_64bit(sizeof(struct br_mcast_stats)) + + (p ? nla_total_size_64bit(sizeof(p->stp_xstats)) : 0) + nla_total_size(0); } diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index b4cef3a97f12..e8136db44462 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -82,7 +82,7 @@ struct bridge_mcast_other_query { struct bridge_mcast_querier { struct br_ip addr; int port_ifidx; - seqcount_t seq; + seqcount_spinlock_t seq; }; /* IGMP/MLD statistics */ diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 37b67194c0df..414dc5671c45 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -53,20 +53,6 @@ struct chnl_net { enum caif_states state; }; -static void robust_list_del(struct list_head *delete_node) -{ - struct list_head *list_node; - struct list_head *n; - ASSERT_RTNL(); - list_for_each_safe(list_node, n, &chnl_net_list) { - if (list_node == delete_node) { - list_del(list_node); - return; - } - } - WARN_ON(1); -} - static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) { struct sk_buff *skb; @@ -364,6 +350,7 @@ static int chnl_net_init(struct net_device *dev) ASSERT_RTNL(); priv = netdev_priv(dev); strncpy(priv->name, dev->name, sizeof(priv->name)); + INIT_LIST_HEAD(&priv->list_field); return 0; } @@ -372,7 +359,7 @@ static void chnl_net_uninit(struct net_device *dev) struct chnl_net *priv; ASSERT_RTNL(); priv = netdev_priv(dev); - robust_list_del(&priv->list_field); + list_del_init(&priv->list_field); } static const struct net_device_ops netdev_ops = { @@ -537,7 +524,7 @@ static void __exit chnl_exit_module(void) rtnl_lock(); list_for_each_safe(list_node, _tmp, &chnl_net_list) { dev = list_entry(list_node, struct chnl_net, list_field); - list_del(list_node); + list_del_init(list_node); delete_device(dev); } rtnl_unlock(); diff --git a/net/core/dev.c b/net/core/dev.c index 74fd402d26dd..7ee9fecd3aff 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6923,12 +6923,16 @@ EXPORT_SYMBOL(napi_disable); */ void napi_enable(struct napi_struct *n) { - BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); - smp_mb__before_atomic(); - clear_bit(NAPI_STATE_SCHED, &n->state); - clear_bit(NAPI_STATE_NPSVC, &n->state); - if (n->dev->threaded && n->thread) - set_bit(NAPI_STATE_THREADED, &n->state); + unsigned long val, new; + + do { + val = READ_ONCE(n->state); + BUG_ON(!test_bit(NAPI_STATE_SCHED, &val)); + + new = val & ~(NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC); + if (n->dev->threaded && n->thread) + new |= NAPIF_STATE_THREADED; + } while (cmpxchg(&n->state, val, new) != val); } EXPORT_SYMBOL(napi_enable); diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 8c39283c26ae..f0cb38344126 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -50,6 +50,11 @@ static int __hw_addr_add_ex(struct netdev_hw_addr_list *list, if (addr_len > MAX_ADDR_LEN) return -EINVAL; + ha = list_first_entry(&list->list, struct netdev_hw_addr, list); + if (ha && !memcmp(addr, ha->addr, addr_len) && + (!addr_type || addr_type == ha->type)) + goto found_it; + while (*ins_point) { int diff; @@ -64,6 +69,7 @@ static int __hw_addr_add_ex(struct netdev_hw_addr_list *list, } else if (diff > 0) { ins_point = &parent->rb_right; } else { +found_it: if (exclusive) return -EEXIST; if (global) { diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index b49c57d35a88..1a6a86693b74 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -71,11 +71,8 @@ static int update_classid_sock(const void *v, struct file *file, unsigned n) struct update_classid_context *ctx = (void *)v; struct socket *sock = sock_from_file(file); - if (sock) { - spin_lock(&cgroup_sk_update_lock); + if (sock) sock_cgroup_set_classid(&sock->sk->sk_cgrp_data, ctx->classid); - spin_unlock(&cgroup_sk_update_lock); - } if (--ctx->batch == 0) { ctx->batch = UPDATE_CLASSID_BATCH; return n + 1; @@ -121,8 +118,6 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, struct css_task_iter it; struct task_struct *p; - cgroup_sk_alloc_disable(); - cs->classid = (u32)value; css_task_iter_start(css, 0, &it); diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 99a431c56f23..8456dfbe2eb4 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -207,8 +207,6 @@ static ssize_t write_priomap(struct kernfs_open_file *of, if (!dev) return -ENODEV; - cgroup_sk_alloc_disable(); - rtnl_lock(); ret = netprio_set_prio(of_css(of), dev, prio); @@ -221,12 +219,10 @@ static ssize_t write_priomap(struct kernfs_open_file *of, static int update_netprio(const void *v, struct file *file, unsigned n) { struct socket *sock = sock_from_file(file); - if (sock) { - spin_lock(&cgroup_sk_update_lock); + + if (sock) sock_cgroup_set_prioidx(&sock->sk->sk_cgrp_data, (unsigned long)v); - spin_unlock(&cgroup_sk_update_lock); - } return 0; } @@ -235,8 +231,6 @@ static void net_prio_attach(struct cgroup_taskset *tset) struct task_struct *p; struct cgroup_subsys_state *css; - cgroup_sk_alloc_disable(); - cgroup_taskset_for_each(p, css, tset) { void *v = (void *)(unsigned long)css->id; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 972c8cb303a5..8ccce85562a1 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -5262,7 +5262,7 @@ nla_put_failure: static size_t if_nlmsg_stats_size(const struct net_device *dev, u32 filter_mask) { - size_t size = 0; + size_t size = NLMSG_ALIGN(sizeof(struct if_stats_msg)); if (stats_attr_valid(filter_mask, IFLA_STATS_LINK_64, 0)) size += nla_total_size_64bit(sizeof(struct rtnl_link_stats64)); diff --git a/net/core/sock.c b/net/core/sock.c index 62627e868e03..c1601f75ec4b 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1376,6 +1376,16 @@ set_sndbuf: } EXPORT_SYMBOL(sock_setsockopt); +static const struct cred *sk_get_peer_cred(struct sock *sk) +{ + const struct cred *cred; + + spin_lock(&sk->sk_peer_lock); + cred = get_cred(sk->sk_peer_cred); + spin_unlock(&sk->sk_peer_lock); + + return cred; +} static void cred_to_ucred(struct pid *pid, const struct cred *cred, struct ucred *ucred) @@ -1552,7 +1562,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname, struct ucred peercred; if (len > sizeof(peercred)) len = sizeof(peercred); + + spin_lock(&sk->sk_peer_lock); cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred); + spin_unlock(&sk->sk_peer_lock); + if (copy_to_user(optval, &peercred, len)) return -EFAULT; goto lenout; @@ -1560,20 +1574,23 @@ int sock_getsockopt(struct socket *sock, int level, int optname, case SO_PEERGROUPS: { + const struct cred *cred; int ret, n; - if (!sk->sk_peer_cred) + cred = sk_get_peer_cred(sk); + if (!cred) return -ENODATA; - n = sk->sk_peer_cred->group_info->ngroups; + n = cred->group_info->ngroups; if (len < n * sizeof(gid_t)) { len = n * sizeof(gid_t); + put_cred(cred); return put_user(len, optlen) ? -EFAULT : -ERANGE; } len = n * sizeof(gid_t); - ret = groups_to_user((gid_t __user *)optval, - sk->sk_peer_cred->group_info); + ret = groups_to_user((gid_t __user *)optval, cred->group_info); + put_cred(cred); if (ret) return ret; goto lenout; @@ -1935,9 +1952,10 @@ static void __sk_destruct(struct rcu_head *head) sk->sk_frag.page = NULL; } - if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + /* We do not need to acquire sk->sk_peer_lock, we are the last user. */ + put_cred(sk->sk_peer_cred); put_pid(sk->sk_peer_pid); + if (likely(sk->sk_net_refcnt)) put_net(sock_net(sk)); sk_prot_free(sk->sk_prot_creator, sk); @@ -3145,6 +3163,8 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_peer_pid = NULL; sk->sk_peer_cred = NULL; + spin_lock_init(&sk->sk_peer_lock); + sk->sk_write_pending = 0; sk->sk_rcvlowat = 1; sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT; @@ -3179,17 +3199,15 @@ EXPORT_SYMBOL(sock_init_data); void lock_sock_nested(struct sock *sk, int subclass) { + /* The sk_lock has mutex_lock() semantics here. */ + mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_); + might_sleep(); spin_lock_bh(&sk->sk_lock.slock); if (sk->sk_lock.owned) __lock_sock(sk); sk->sk_lock.owned = 1; - spin_unlock(&sk->sk_lock.slock); - /* - * The sk_lock has mutex_lock() semantics here: - */ - mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_); - local_bh_enable(); + spin_unlock_bh(&sk->sk_lock.slock); } EXPORT_SYMBOL(lock_sock_nested); @@ -3212,42 +3230,37 @@ void release_sock(struct sock *sk) } EXPORT_SYMBOL(release_sock); -/** - * lock_sock_fast - fast version of lock_sock - * @sk: socket - * - * This version should be used for very small section, where process wont block - * return false if fast path is taken: - * - * sk_lock.slock locked, owned = 0, BH disabled - * - * return true if slow path is taken: - * - * sk_lock.slock unlocked, owned = 1, BH enabled - */ -bool lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock) +bool __lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock) { might_sleep(); spin_lock_bh(&sk->sk_lock.slock); - if (!sk->sk_lock.owned) + if (!sk->sk_lock.owned) { /* - * Note : We must disable BH + * Fast path return with bottom halves disabled and + * sock::sk_lock.slock held. + * + * The 'mutex' is not contended and holding + * sock::sk_lock.slock prevents all other lockers to + * proceed so the corresponding unlock_sock_fast() can + * avoid the slow path of release_sock() completely and + * just release slock. + * + * From a semantical POV this is equivalent to 'acquiring' + * the 'mutex', hence the corresponding lockdep + * mutex_release() has to happen in the fast path of + * unlock_sock_fast(). */ return false; + } __lock_sock(sk); sk->sk_lock.owned = 1; - spin_unlock(&sk->sk_lock.slock); - /* - * The sk_lock has mutex_lock() semantics here: - */ - mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); __acquire(&sk->sk_lock.slock); - local_bh_enable(); + spin_unlock_bh(&sk->sk_lock.slock); return true; } -EXPORT_SYMBOL(lock_sock_fast); +EXPORT_SYMBOL(__lock_sock_fast); int sock_gettstamp(struct socket *sock, void __user *userstamp, bool timeval, bool time32) diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c index c5c74a34d139..91e7a2202697 100644 --- a/net/dccp/minisocks.c +++ b/net/dccp/minisocks.c @@ -94,6 +94,8 @@ struct sock *dccp_create_openreq_child(const struct sock *sk, newdp->dccps_role = DCCP_ROLE_SERVER; newdp->dccps_hc_rx_ackvec = NULL; newdp->dccps_service_list = NULL; + newdp->dccps_hc_rx_ccid = NULL; + newdp->dccps_hc_tx_ccid = NULL; newdp->dccps_service = dreq->dreq_service; newdp->dccps_timestamp_echo = dreq->dreq_timestamp_echo; newdp->dccps_timestamp_time = dreq->dreq_timestamp_time; diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 1dc45e40f961..41f36ad8b0ec 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -345,6 +345,11 @@ bool dsa_schedule_work(struct work_struct *work) return queue_work(dsa_owq, work); } +void dsa_flush_workqueue(void) +{ + flush_workqueue(dsa_owq); +} + int dsa_devlink_param_get(struct devlink *dl, u32 id, struct devlink_param_gset_ctx *ctx) { diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 1b2b25d7bd02..b29262eee00b 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -429,6 +429,7 @@ static int dsa_port_setup(struct dsa_port *dp) { struct devlink_port *dlp = &dp->devlink_port; bool dsa_port_link_registered = false; + struct dsa_switch *ds = dp->ds; bool dsa_port_enabled = false; int err = 0; @@ -438,6 +439,12 @@ static int dsa_port_setup(struct dsa_port *dp) INIT_LIST_HEAD(&dp->fdbs); INIT_LIST_HEAD(&dp->mdbs); + if (ds->ops->port_setup) { + err = ds->ops->port_setup(ds, dp->index); + if (err) + return err; + } + switch (dp->type) { case DSA_PORT_TYPE_UNUSED: dsa_port_disable(dp); @@ -480,8 +487,11 @@ static int dsa_port_setup(struct dsa_port *dp) dsa_port_disable(dp); if (err && dsa_port_link_registered) dsa_port_link_unregister_of(dp); - if (err) + if (err) { + if (ds->ops->port_teardown) + ds->ops->port_teardown(ds, dp->index); return err; + } dp->setup = true; @@ -533,11 +543,15 @@ static int dsa_port_devlink_setup(struct dsa_port *dp) static void dsa_port_teardown(struct dsa_port *dp) { struct devlink_port *dlp = &dp->devlink_port; + struct dsa_switch *ds = dp->ds; struct dsa_mac_addr *a, *tmp; if (!dp->setup) return; + if (ds->ops->port_teardown) + ds->ops->port_teardown(ds, dp->index); + devlink_port_type_clear(dlp); switch (dp->type) { @@ -581,6 +595,36 @@ static void dsa_port_devlink_teardown(struct dsa_port *dp) dp->devlink_port_setup = false; } +/* Destroy the current devlink port, and create a new one which has the UNUSED + * flavour. At this point, any call to ds->ops->port_setup has been already + * balanced out by a call to ds->ops->port_teardown, so we know that any + * devlink port regions the driver had are now unregistered. We then call its + * ds->ops->port_setup again, in order for the driver to re-create them on the + * new devlink port. + */ +static int dsa_port_reinit_as_unused(struct dsa_port *dp) +{ + struct dsa_switch *ds = dp->ds; + int err; + + dsa_port_devlink_teardown(dp); + dp->type = DSA_PORT_TYPE_UNUSED; + err = dsa_port_devlink_setup(dp); + if (err) + return err; + + if (ds->ops->port_setup) { + /* On error, leave the devlink port registered, + * dsa_switch_teardown will clean it up later. + */ + err = ds->ops->port_setup(ds, dp->index); + if (err) + return err; + } + + return 0; +} + static int dsa_devlink_info_get(struct devlink *dl, struct devlink_info_req *req, struct netlink_ext_ack *extack) @@ -836,7 +880,7 @@ static int dsa_switch_setup(struct dsa_switch *ds) devlink_params_publish(ds->devlink); if (!ds->slave_mii_bus && ds->ops->phy_read) { - ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev); + ds->slave_mii_bus = mdiobus_alloc(); if (!ds->slave_mii_bus) { err = -ENOMEM; goto teardown; @@ -846,13 +890,16 @@ static int dsa_switch_setup(struct dsa_switch *ds) err = mdiobus_register(ds->slave_mii_bus); if (err < 0) - goto teardown; + goto free_slave_mii_bus; } ds->setup = true; return 0; +free_slave_mii_bus: + if (ds->slave_mii_bus && ds->ops->phy_read) + mdiobus_free(ds->slave_mii_bus); teardown: if (ds->ops->teardown) ds->ops->teardown(ds); @@ -877,8 +924,11 @@ static void dsa_switch_teardown(struct dsa_switch *ds) if (!ds->setup) return; - if (ds->slave_mii_bus && ds->ops->phy_read) + if (ds->slave_mii_bus && ds->ops->phy_read) { mdiobus_unregister(ds->slave_mii_bus); + mdiobus_free(ds->slave_mii_bus); + ds->slave_mii_bus = NULL; + } dsa_switch_unregister_notifier(ds); @@ -897,6 +947,33 @@ static void dsa_switch_teardown(struct dsa_switch *ds) ds->setup = false; } +/* First tear down the non-shared, then the shared ports. This ensures that + * all work items scheduled by our switchdev handlers for user ports have + * completed before we destroy the refcounting kept on the shared ports. + */ +static void dsa_tree_teardown_ports(struct dsa_switch_tree *dst) +{ + struct dsa_port *dp; + + list_for_each_entry(dp, &dst->ports, list) + if (dsa_port_is_user(dp) || dsa_port_is_unused(dp)) + dsa_port_teardown(dp); + + dsa_flush_workqueue(); + + list_for_each_entry(dp, &dst->ports, list) + if (dsa_port_is_dsa(dp) || dsa_port_is_cpu(dp)) + dsa_port_teardown(dp); +} + +static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst) +{ + struct dsa_port *dp; + + list_for_each_entry(dp, &dst->ports, list) + dsa_switch_teardown(dp->ds); +} + static int dsa_tree_setup_switches(struct dsa_switch_tree *dst) { struct dsa_port *dp; @@ -911,38 +988,22 @@ static int dsa_tree_setup_switches(struct dsa_switch_tree *dst) list_for_each_entry(dp, &dst->ports, list) { err = dsa_port_setup(dp); if (err) { - dsa_port_devlink_teardown(dp); - dp->type = DSA_PORT_TYPE_UNUSED; - err = dsa_port_devlink_setup(dp); + err = dsa_port_reinit_as_unused(dp); if (err) goto teardown; - continue; } } return 0; teardown: - list_for_each_entry(dp, &dst->ports, list) - dsa_port_teardown(dp); + dsa_tree_teardown_ports(dst); - list_for_each_entry(dp, &dst->ports, list) - dsa_switch_teardown(dp->ds); + dsa_tree_teardown_switches(dst); return err; } -static void dsa_tree_teardown_switches(struct dsa_switch_tree *dst) -{ - struct dsa_port *dp; - - list_for_each_entry(dp, &dst->ports, list) - dsa_port_teardown(dp); - - list_for_each_entry(dp, &dst->ports, list) - dsa_switch_teardown(dp->ds); -} - static int dsa_tree_setup_master(struct dsa_switch_tree *dst) { struct dsa_port *dp; @@ -1034,6 +1095,7 @@ static int dsa_tree_setup(struct dsa_switch_tree *dst) teardown_master: dsa_tree_teardown_master(dst); teardown_switches: + dsa_tree_teardown_ports(dst); dsa_tree_teardown_switches(dst); teardown_cpu_ports: dsa_tree_teardown_cpu_ports(dst); @@ -1052,6 +1114,8 @@ static void dsa_tree_teardown(struct dsa_switch_tree *dst) dsa_tree_teardown_master(dst); + dsa_tree_teardown_ports(dst); + dsa_tree_teardown_switches(dst); dsa_tree_teardown_cpu_ports(dst); @@ -1546,3 +1610,53 @@ void dsa_unregister_switch(struct dsa_switch *ds) mutex_unlock(&dsa2_mutex); } EXPORT_SYMBOL_GPL(dsa_unregister_switch); + +/* If the DSA master chooses to unregister its net_device on .shutdown, DSA is + * blocking that operation from completion, due to the dev_hold taken inside + * netdev_upper_dev_link. Unlink the DSA slave interfaces from being uppers of + * the DSA master, so that the system can reboot successfully. + */ +void dsa_switch_shutdown(struct dsa_switch *ds) +{ + struct net_device *master, *slave_dev; + LIST_HEAD(unregister_list); + struct dsa_port *dp; + + mutex_lock(&dsa2_mutex); + rtnl_lock(); + + list_for_each_entry(dp, &ds->dst->ports, list) { + if (dp->ds != ds) + continue; + + if (!dsa_port_is_user(dp)) + continue; + + master = dp->cpu_dp->master; + slave_dev = dp->slave; + + netdev_upper_dev_unlink(master, slave_dev); + /* Just unlinking ourselves as uppers of the master is not + * sufficient. When the master net device unregisters, that will + * also call dev_close, which we will catch as NETDEV_GOING_DOWN + * and trigger a dev_close on our own devices (dsa_slave_close). + * In turn, that will call dev_mc_unsync on the master's net + * device. If the master is also a DSA switch port, this will + * trigger dsa_slave_set_rx_mode which will call dev_mc_sync on + * its own master. Lockdep will complain about the fact that + * all cascaded masters have the same dsa_master_addr_list_lock_key, + * which it normally would not do if the cascaded masters would + * be in a proper upper/lower relationship, which we've just + * destroyed. + * To suppress the lockdep warnings, let's actually unregister + * the DSA slave interfaces too, to avoid the nonsensical + * multicast address list synchronization on shutdown. + */ + unregister_netdevice_queue(slave_dev, &unregister_list); + } + unregister_netdevice_many(&unregister_list); + + rtnl_unlock(); + mutex_unlock(&dsa2_mutex); +} +EXPORT_SYMBOL_GPL(dsa_switch_shutdown); diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index 33ab7d7af9eb..a5c9bc7b66c6 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -170,6 +170,7 @@ void dsa_tag_driver_put(const struct dsa_device_ops *ops); const struct dsa_device_ops *dsa_find_tagger_by_name(const char *buf); bool dsa_schedule_work(struct work_struct *work); +void dsa_flush_workqueue(void); const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops); static inline int dsa_tag_protocol_overhead(const struct dsa_device_ops *ops) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 662ff531d4e2..a2bf2d8ac65b 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1854,13 +1854,11 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev) * use the switch internal MDIO bus instead */ ret = dsa_slave_phy_connect(slave_dev, dp->index, phy_flags); - if (ret) { - netdev_err(slave_dev, - "failed to connect to port %d: %d\n", - dp->index, ret); - phylink_destroy(dp->pl); - return ret; - } + } + if (ret) { + netdev_err(slave_dev, "failed to connect to PHY: %pe\n", + ERR_PTR(ret)); + phylink_destroy(dp->pl); } return ret; diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c index 77d0ce89ab77..e5127b7d1c6a 100644 --- a/net/dsa/tag_dsa.c +++ b/net/dsa/tag_dsa.c @@ -210,7 +210,7 @@ static struct sk_buff *dsa_rcv_ll(struct sk_buff *skb, struct net_device *dev, cmd = dsa_header[0] >> 6; switch (cmd) { case DSA_CMD_FORWARD: - trunk = !!(dsa_header[1] & 7); + trunk = !!(dsa_header[1] & 4); break; case DSA_CMD_TO_CPU: diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index d37ab98e7fe1..8025ed778d33 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2019 NXP Semiconductors +/* Copyright 2019 NXP */ #include <linux/dsa/ocelot.h> #include <soc/mscc/ocelot.h> diff --git a/net/dsa/tag_ocelot_8021q.c b/net/dsa/tag_ocelot_8021q.c index 3038a257ba05..59072930cb02 100644 --- a/net/dsa/tag_ocelot_8021q.c +++ b/net/dsa/tag_ocelot_8021q.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -/* Copyright 2020-2021 NXP Semiconductors +/* Copyright 2020-2021 NXP * * An implementation of the software-defined tag_8021q.c tagger format, which * also preserves full functionality under a vlan_filtering bridge. It does diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index b42c429cebbe..3364cb9c67e0 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1661,7 +1661,7 @@ EXPORT_SYMBOL_GPL(fib_nexthop_info); #if IS_ENABLED(CONFIG_IP_ROUTE_MULTIPATH) || IS_ENABLED(CONFIG_IPV6) int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nhc, - int nh_weight, u8 rt_family) + int nh_weight, u8 rt_family, u32 nh_tclassid) { const struct net_device *dev = nhc->nhc_dev; struct rtnexthop *rtnh; @@ -1679,6 +1679,9 @@ int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nhc, rtnh->rtnh_flags = flags; + if (nh_tclassid && nla_put_u32(skb, RTA_FLOW, nh_tclassid)) + goto nla_put_failure; + /* length of rtnetlink header + attributes */ rtnh->rtnh_len = nlmsg_get_pos(skb) - (void *)rtnh; @@ -1706,14 +1709,13 @@ static int fib_add_multipath(struct sk_buff *skb, struct fib_info *fi) } for_nexthops(fi) { - if (fib_add_nexthop(skb, &nh->nh_common, nh->fib_nh_weight, - AF_INET) < 0) - goto nla_put_failure; + u32 nh_tclassid = 0; #ifdef CONFIG_IP_ROUTE_CLASSID - if (nh->nh_tclassid && - nla_put_u32(skb, RTA_FLOW, nh->nh_tclassid)) - goto nla_put_failure; + nh_tclassid = nh->nh_tclassid; #endif + if (fib_add_nexthop(skb, &nh->nh_common, nh->fib_nh_weight, + AF_INET, nh_tclassid) < 0) + goto nla_put_failure; } endfor_nexthops(fi); mp_end: diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 80aeaf9e6e16..bfb522e51346 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -242,8 +242,10 @@ static inline int compute_score(struct sock *sk, struct net *net, if (!inet_sk_bound_dev_eq(net, sk->sk_bound_dev_if, dif, sdif)) return -1; + score = sk->sk_bound_dev_if ? 2 : 1; - score = sk->sk_family == PF_INET ? 2 : 1; + if (sk->sk_family == PF_INET) + score++; if (READ_ONCE(sk->sk_incoming_cpu) == raw_smp_processor_id()) score++; } diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c index b88e0f36cd05..8265c6765705 100644 --- a/net/ipv4/netfilter/iptable_raw.c +++ b/net/ipv4/netfilter/iptable_raw.c @@ -42,7 +42,7 @@ iptable_raw_hook(void *priv, struct sk_buff *skb, static struct nf_hook_ops *rawtable_ops __read_mostly; -static int __net_init iptable_raw_table_init(struct net *net) +static int iptable_raw_table_init(struct net *net) { struct ipt_replace *repl; const struct xt_table *table = &packet_raw; diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c index 613432a36f0a..e61ea428ea18 100644 --- a/net/ipv4/netfilter/nf_defrag_ipv4.c +++ b/net/ipv4/netfilter/nf_defrag_ipv4.c @@ -20,13 +20,8 @@ #endif #include <net/netfilter/nf_conntrack_zones.h> -static unsigned int defrag4_pernet_id __read_mostly; static DEFINE_MUTEX(defrag4_mutex); -struct defrag4_pernet { - unsigned int users; -}; - static int nf_ct_ipv4_gather_frags(struct net *net, struct sk_buff *skb, u_int32_t user) { @@ -111,19 +106,15 @@ static const struct nf_hook_ops ipv4_defrag_ops[] = { static void __net_exit defrag4_net_exit(struct net *net) { - struct defrag4_pernet *nf_defrag = net_generic(net, defrag4_pernet_id); - - if (nf_defrag->users) { + if (net->nf.defrag_ipv4_users) { nf_unregister_net_hooks(net, ipv4_defrag_ops, ARRAY_SIZE(ipv4_defrag_ops)); - nf_defrag->users = 0; + net->nf.defrag_ipv4_users = 0; } } static struct pernet_operations defrag4_net_ops = { .exit = defrag4_net_exit, - .id = &defrag4_pernet_id, - .size = sizeof(struct defrag4_pernet), }; static int __init nf_defrag_init(void) @@ -138,24 +129,23 @@ static void __exit nf_defrag_fini(void) int nf_defrag_ipv4_enable(struct net *net) { - struct defrag4_pernet *nf_defrag = net_generic(net, defrag4_pernet_id); int err = 0; mutex_lock(&defrag4_mutex); - if (nf_defrag->users == UINT_MAX) { + if (net->nf.defrag_ipv4_users == UINT_MAX) { err = -EOVERFLOW; goto out_unlock; } - if (nf_defrag->users) { - nf_defrag->users++; + if (net->nf.defrag_ipv4_users) { + net->nf.defrag_ipv4_users++; goto out_unlock; } err = nf_register_net_hooks(net, ipv4_defrag_ops, ARRAY_SIZE(ipv4_defrag_ops)); if (err == 0) - nf_defrag->users = 1; + net->nf.defrag_ipv4_users = 1; out_unlock: mutex_unlock(&defrag4_mutex); @@ -165,12 +155,10 @@ EXPORT_SYMBOL_GPL(nf_defrag_ipv4_enable); void nf_defrag_ipv4_disable(struct net *net) { - struct defrag4_pernet *nf_defrag = net_generic(net, defrag4_pernet_id); - mutex_lock(&defrag4_mutex); - if (nf_defrag->users) { - nf_defrag->users--; - if (nf_defrag->users == 0) + if (net->nf.defrag_ipv4_users) { + net->nf.defrag_ipv4_users--; + if (net->nf.defrag_ipv4_users == 0) nf_unregister_net_hooks(net, ipv4_defrag_ops, ARRAY_SIZE(ipv4_defrag_ops)); } diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 75ca4b6e484f..9e8100728d46 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1982,6 +1982,8 @@ static int replace_nexthop_grp(struct net *net, struct nexthop *old, rcu_assign_pointer(old->nh_grp, newg); if (newg->resilient) { + /* Make sure concurrent readers are not using 'oldg' anymore. */ + synchronize_net(); rcu_assign_pointer(oldg->res_table, tmp_table); rcu_assign_pointer(oldg->spare->res_table, tmp_table); } @@ -3565,6 +3567,7 @@ static struct notifier_block nh_netdev_notifier = { }; static int nexthops_dump(struct net *net, struct notifier_block *nb, + enum nexthop_event_type event_type, struct netlink_ext_ack *extack) { struct rb_root *root = &net->nexthop.rb_root; @@ -3575,8 +3578,7 @@ static int nexthops_dump(struct net *net, struct notifier_block *nb, struct nexthop *nh; nh = rb_entry(node, struct nexthop, rb_node); - err = call_nexthop_notifier(nb, net, NEXTHOP_EVENT_REPLACE, nh, - extack); + err = call_nexthop_notifier(nb, net, event_type, nh, extack); if (err) break; } @@ -3590,7 +3592,7 @@ int register_nexthop_notifier(struct net *net, struct notifier_block *nb, int err; rtnl_lock(); - err = nexthops_dump(net, nb, extack); + err = nexthops_dump(net, nb, NEXTHOP_EVENT_REPLACE, extack); if (err) goto unlock; err = blocking_notifier_chain_register(&net->nexthop.notifier_chain, @@ -3603,8 +3605,17 @@ EXPORT_SYMBOL(register_nexthop_notifier); int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb) { - return blocking_notifier_chain_unregister(&net->nexthop.notifier_chain, - nb); + int err; + + rtnl_lock(); + err = blocking_notifier_chain_unregister(&net->nexthop.notifier_chain, + nb); + if (err) + goto unlock; + nexthops_dump(net, nb, NEXTHOP_EVENT_DEL, NULL); +unlock: + rtnl_unlock(); + return err; } EXPORT_SYMBOL(unregister_nexthop_notifier); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 3f7bd7ae7d7a..141e85e6422b 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1346,7 +1346,7 @@ static u8 tcp_sacktag_one(struct sock *sk, if (dup_sack && (sacked & TCPCB_RETRANS)) { if (tp->undo_marker && tp->undo_retrans > 0 && after(end_seq, tp->undo_marker)) - tp->undo_retrans--; + tp->undo_retrans = max_t(int, 0, tp->undo_retrans - pcount); if ((sacked & TCPCB_SACKED_ACKED) && before(start_seq, state->reord)) state->reord = start_seq; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 8851c9463b4b..8536b2a7210b 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -390,7 +390,8 @@ static int compute_score(struct sock *sk, struct net *net, dif, sdif); if (!dev_match) return -1; - score += 4; + if (sk->sk_bound_dev_if) + score += 4; if (READ_ONCE(sk->sk_incoming_cpu) == raw_smp_processor_id()) score++; @@ -1053,7 +1054,7 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) __be16 dport; u8 tos; int err, is_udplite = IS_UDPLITE(sk); - int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; + int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE; int (*getfrag)(void *, char *, int, int, int, struct sk_buff *); struct sk_buff *skb; struct ip_options_data opt_copy; @@ -1361,7 +1362,7 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset, } up->len += size; - if (!(up->corkflag || (flags&MSG_MORE))) + if (!(READ_ONCE(up->corkflag) || (flags&MSG_MORE))) ret = udp_push_pending_frames(sk); if (!ret) ret = size; @@ -2662,9 +2663,9 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname, switch (optname) { case UDP_CORK: if (val != 0) { - up->corkflag = 1; + WRITE_ONCE(up->corkflag, 1); } else { - up->corkflag = 0; + WRITE_ONCE(up->corkflag, 0); lock_sock(sk); push_pending_frames(sk); release_sock(sk); @@ -2787,7 +2788,7 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname, switch (optname) { case UDP_CORK: - val = up->corkflag; + val = READ_ONCE(up->corkflag); break; case UDP_ENCAP: diff --git a/net/ipv4/udp_tunnel_nic.c b/net/ipv4/udp_tunnel_nic.c index 0d122edc368d..b91003538d87 100644 --- a/net/ipv4/udp_tunnel_nic.c +++ b/net/ipv4/udp_tunnel_nic.c @@ -935,7 +935,7 @@ static int __init udp_tunnel_nic_init_module(void) { int err; - udp_tunnel_nic_workqueue = alloc_workqueue("udp_tunnel_nic", 0, 0); + udp_tunnel_nic_workqueue = alloc_ordered_workqueue("udp_tunnel_nic", 0); if (!udp_tunnel_nic_workqueue) return -ENOMEM; diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index 55c290d55605..67c9114835c8 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -106,7 +106,7 @@ static inline int compute_score(struct sock *sk, struct net *net, if (!inet_sk_bound_dev_eq(net, sk->sk_bound_dev_if, dif, sdif)) return -1; - score = 1; + score = sk->sk_bound_dev_if ? 2 : 1; if (READ_ONCE(sk->sk_incoming_cpu) == raw_smp_processor_id()) score++; } diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 1bec5b22f80d..0371d2c14145 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1378,7 +1378,6 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt, int err = -ENOMEM; int allow_create = 1; int replace_required = 0; - int sernum = fib6_new_sernum(info->nl_net); if (info->nlh) { if (!(info->nlh->nlmsg_flags & NLM_F_CREATE)) @@ -1478,7 +1477,7 @@ int fib6_add(struct fib6_node *root, struct fib6_info *rt, if (!err) { if (rt->nh) list_add(&rt->nh_list, &rt->nh->f6i_list); - __fib6_update_sernum_upto_root(rt, sernum); + __fib6_update_sernum_upto_root(rt, fib6_new_sernum(info->nl_net)); fib6_start_gc(info->nl_net, rt); } diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index de2cf3943b91..a579ea14a69b 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -273,6 +273,7 @@ ip6t_do_table(struct sk_buff *skb, * things we don't know, ie. tcp syn flag or ports). If the * rule is also a fragment-specific rule, non-fragments won't * match it. */ + acpar.fragoff = 0; acpar.hotdrop = false; acpar.state = state; diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index a0108415275f..5c47be29b9ee 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -33,7 +33,7 @@ static const char nf_frags_cache_name[] = "nf-frags"; -unsigned int nf_frag_pernet_id __read_mostly; +static unsigned int nf_frag_pernet_id __read_mostly; static struct inet_frags nf_frags; static struct nft_ct_frag6_pernet *nf_frag_pernet(struct net *net) diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c index e8a59d8bf2ad..cb4eb1d2c620 100644 --- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c +++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c @@ -25,8 +25,6 @@ #include <net/netfilter/nf_conntrack_zones.h> #include <net/netfilter/ipv6/nf_defrag_ipv6.h> -extern unsigned int nf_frag_pernet_id; - static DEFINE_MUTEX(defrag6_mutex); static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum, @@ -91,12 +89,10 @@ static const struct nf_hook_ops ipv6_defrag_ops[] = { static void __net_exit defrag6_net_exit(struct net *net) { - struct nft_ct_frag6_pernet *nf_frag = net_generic(net, nf_frag_pernet_id); - - if (nf_frag->users) { + if (net->nf.defrag_ipv6_users) { nf_unregister_net_hooks(net, ipv6_defrag_ops, ARRAY_SIZE(ipv6_defrag_ops)); - nf_frag->users = 0; + net->nf.defrag_ipv6_users = 0; } } @@ -134,24 +130,23 @@ static void __exit nf_defrag_fini(void) int nf_defrag_ipv6_enable(struct net *net) { - struct nft_ct_frag6_pernet *nf_frag = net_generic(net, nf_frag_pernet_id); int err = 0; mutex_lock(&defrag6_mutex); - if (nf_frag->users == UINT_MAX) { + if (net->nf.defrag_ipv6_users == UINT_MAX) { err = -EOVERFLOW; goto out_unlock; } - if (nf_frag->users) { - nf_frag->users++; + if (net->nf.defrag_ipv6_users) { + net->nf.defrag_ipv6_users++; goto out_unlock; } err = nf_register_net_hooks(net, ipv6_defrag_ops, ARRAY_SIZE(ipv6_defrag_ops)); if (err == 0) - nf_frag->users = 1; + net->nf.defrag_ipv6_users = 1; out_unlock: mutex_unlock(&defrag6_mutex); @@ -161,12 +156,10 @@ EXPORT_SYMBOL_GPL(nf_defrag_ipv6_enable); void nf_defrag_ipv6_disable(struct net *net) { - struct nft_ct_frag6_pernet *nf_frag = net_generic(net, nf_frag_pernet_id); - mutex_lock(&defrag6_mutex); - if (nf_frag->users) { - nf_frag->users--; - if (nf_frag->users == 0) + if (net->nf.defrag_ipv6_users) { + net->nf.defrag_ipv6_users--; + if (net->nf.defrag_ipv6_users == 0) nf_unregister_net_hooks(net, ipv6_defrag_ops, ARRAY_SIZE(ipv6_defrag_ops)); } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index dbc224023977..9b9ef09382ab 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -5681,14 +5681,15 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb, goto nla_put_failure; if (fib_add_nexthop(skb, &rt->fib6_nh->nh_common, - rt->fib6_nh->fib_nh_weight, AF_INET6) < 0) + rt->fib6_nh->fib_nh_weight, AF_INET6, + 0) < 0) goto nla_put_failure; list_for_each_entry_safe(sibling, next_sibling, &rt->fib6_siblings, fib6_siblings) { if (fib_add_nexthop(skb, &sibling->fib6_nh->nh_common, sibling->fib6_nh->fib_nh_weight, - AF_INET6) < 0) + AF_INET6, 0) < 0) goto nla_put_failure; } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index ea53847b5b7e..8d785232b479 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -133,7 +133,8 @@ static int compute_score(struct sock *sk, struct net *net, dev_match = udp_sk_bound_dev_eq(net, sk->sk_bound_dev_if, dif, sdif); if (!dev_match) return -1; - score++; + if (sk->sk_bound_dev_if) + score++; if (READ_ONCE(sk->sk_incoming_cpu) == raw_smp_processor_id()) score++; @@ -1303,7 +1304,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) int addr_len = msg->msg_namelen; bool connected = false; int ulen = len; - int corkreq = up->corkflag || msg->msg_flags&MSG_MORE; + int corkreq = READ_ONCE(up->corkflag) || msg->msg_flags&MSG_MORE; int err; int is_udplite = IS_UDPLITE(sk); int (*getfrag)(void *, char *, int, int, int, struct sk_buff *); diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 53486b162f01..93271a2632b8 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -869,8 +869,10 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb) } if (tunnel->version == L2TP_HDR_VER_3 && - l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) + l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) { + l2tp_session_dec_refcount(session); goto invalid; + } l2tp_recv_common(session, skb, ptr, optr, hdrflags, length); l2tp_session_dec_refcount(session); diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index efbefcbac3ac..7cab1cf09bf1 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -60,7 +60,10 @@ static struct mesh_table *mesh_table_alloc(void) atomic_set(&newtbl->entries, 0); spin_lock_init(&newtbl->gates_lock); spin_lock_init(&newtbl->walk_lock); - rhashtable_init(&newtbl->rhead, &mesh_rht_params); + if (rhashtable_init(&newtbl->rhead, &mesh_rht_params)) { + kfree(newtbl); + return NULL; + } return newtbl; } diff --git a/net/mac80211/mesh_ps.c b/net/mac80211/mesh_ps.c index 204830a55240..3fbd0b9ff913 100644 --- a/net/mac80211/mesh_ps.c +++ b/net/mac80211/mesh_ps.c @@ -2,6 +2,7 @@ /* * Copyright 2012-2013, Marco Porsch <marco.porsch@s2005.tu-chemnitz.de> * Copyright 2012-2013, cozybit Inc. + * Copyright (C) 2021 Intel Corporation */ #include "mesh.h" @@ -588,7 +589,7 @@ void ieee80211_mps_frame_release(struct sta_info *sta, /* only transmit to PS STA with announced, non-zero awake window */ if (test_sta_flag(sta, WLAN_STA_PS_STA) && - (!elems->awake_window || !le16_to_cpu(*elems->awake_window))) + (!elems->awake_window || !get_unaligned_le16(elems->awake_window))) return; if (!test_sta_flag(sta, WLAN_STA_MPSP_OWNER)) diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index e5935e3d7a07..8c6416129d5b 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -392,10 +392,6 @@ static bool rate_control_send_low(struct ieee80211_sta *pubsta, int mcast_rate; bool use_basicrate = false; - if (ieee80211_is_tx_data(txrc->skb) && - info->flags & IEEE80211_TX_CTL_NO_ACK) - return false; - if (!pubsta || rc_no_data_or_no_ack_use_min(txrc)) { __rate_control_send_low(txrc->hw, sband, pubsta, info, txrc->rate_idx_mask); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 99ed68f7dc36..c4071b015c18 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -4131,7 +4131,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx) if (!bssid) return false; if (ether_addr_equal(sdata->vif.addr, hdr->addr2) || - ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2)) + ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2) || + !is_valid_ether_addr(hdr->addr2)) return false; if (ieee80211_is_beacon(hdr->frame_control)) return true; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 2d1193ed3eb5..8921088a5df6 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2209,7 +2209,11 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, } vht_mcs = iterator.this_arg[4] >> 4; + if (vht_mcs > 11) + vht_mcs = 0; vht_nss = iterator.this_arg[4] & 0xF; + if (!vht_nss || vht_nss > 8) + vht_nss = 1; break; /* @@ -3380,6 +3384,14 @@ static bool ieee80211_amsdu_aggregate(struct ieee80211_sub_if_data *sdata, if (!ieee80211_amsdu_prepare_head(sdata, fast_tx, head)) goto out; + /* If n == 2, the "while (*frag_tail)" loop above didn't execute + * and frag_tail should be &skb_shinfo(head)->frag_list. + * However, ieee80211_amsdu_prepare_head() can reallocate it. + * Reload frag_tail to have it pointing to the correct place. + */ + if (n == 2) + frag_tail = &skb_shinfo(head)->frag_list; + /* * Pad out the previous subframe to a multiple of 4 by adding the * padding to the next one, that's being added. Note that head->len diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index bca47fad5a16..4eed23e27610 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -520,6 +520,9 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx, return RX_DROP_UNUSABLE; } + /* reload hdr - skb might have been reallocated */ + hdr = (void *)rx->skb->data; + data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN - mic_len; if (!rx->sta || data_len < 0) return RX_DROP_UNUSABLE; @@ -749,6 +752,9 @@ ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx) return RX_DROP_UNUSABLE; } + /* reload hdr - skb might have been reallocated */ + hdr = (void *)rx->skb->data; + data_len = skb->len - hdrlen - IEEE80211_GCMP_HDR_LEN - mic_len; if (!rx->sta || data_len < 0) return RX_DROP_UNUSABLE; diff --git a/net/mctp/route.c b/net/mctp/route.c index 5265525011ad..5ca186d53cb0 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -1083,8 +1083,10 @@ static void __net_exit mctp_routes_net_exit(struct net *net) { struct mctp_route *rt; + rcu_read_lock(); list_for_each_entry_rcu(rt, &net->mctp.routes, list) mctp_route_release(rt); + rcu_read_unlock(); } static struct pernet_operations mctp_net_ops = { diff --git a/net/mptcp/mptcp_diag.c b/net/mptcp/mptcp_diag.c index f48eb6315bbb..292374fb0779 100644 --- a/net/mptcp/mptcp_diag.c +++ b/net/mptcp/mptcp_diag.c @@ -36,7 +36,7 @@ static int mptcp_diag_dump_one(struct netlink_callback *cb, struct sock *sk; net = sock_net(in_skb->sk); - msk = mptcp_token_get_sock(req->id.idiag_cookie[0]); + msk = mptcp_token_get_sock(net, req->id.idiag_cookie[0]); if (!msk) goto out_nosk; diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index c4f9a5ce3815..050eea231528 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1718,9 +1718,7 @@ static int mptcp_nl_cmd_set_flags(struct sk_buff *skb, struct genl_info *info) list_for_each_entry(entry, &pernet->local_addr_list, list) { if (addresses_equal(&entry->addr, &addr.addr, true)) { - ret = mptcp_nl_addr_backup(net, &entry->addr, bkup); - if (ret) - return ret; + mptcp_nl_addr_backup(net, &entry->addr, bkup); if (bkup) entry->flags |= MPTCP_PM_ADDR_FLAG_BACKUP; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 2602f1386160..e5df0b5971c8 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1316,7 +1316,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, goto alloc_skb; } - must_collapse = (info->size_goal - skb->len > 0) && + must_collapse = (info->size_goal > skb->len) && (skb_shinfo(skb)->nr_frags < sysctl_max_skb_frags); if (must_collapse) { size_bias = skb->len; @@ -1325,7 +1325,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk, } alloc_skb: - if (!must_collapse && !ssk->sk_tx_skb_cache && + if (!must_collapse && !mptcp_alloc_tx_skb(sk, ssk, info->data_lock_held)) return 0; @@ -2735,7 +2735,7 @@ cleanup: inet_csk(sk)->icsk_mtup.probe_timestamp = tcp_jiffies32; mptcp_for_each_subflow(mptcp_sk(sk), subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - bool slow = lock_sock_fast(ssk); + bool slow = lock_sock_fast_nested(ssk); sock_orphan(ssk); unlock_sock_fast(ssk, slow); diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index d3e6fd1615f1..dc984676c5eb 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -709,7 +709,7 @@ int mptcp_token_new_connect(struct sock *sk); void mptcp_token_accept(struct mptcp_subflow_request_sock *r, struct mptcp_sock *msk); bool mptcp_token_exists(u32 token); -struct mptcp_sock *mptcp_token_get_sock(u32 token); +struct mptcp_sock *mptcp_token_get_sock(struct net *net, u32 token); struct mptcp_sock *mptcp_token_iter_next(const struct net *net, long *s_slot, long *s_num); void mptcp_token_destroy(struct mptcp_sock *msk); diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 1de7ce883c37..6172f380dfb7 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -86,7 +86,7 @@ static struct mptcp_sock *subflow_token_join_request(struct request_sock *req) struct mptcp_sock *msk; int local_id; - msk = mptcp_token_get_sock(subflow_req->token); + msk = mptcp_token_get_sock(sock_net(req_to_sk(req)), subflow_req->token); if (!msk) { SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINNOTOKEN); return NULL; diff --git a/net/mptcp/syncookies.c b/net/mptcp/syncookies.c index 37127781aee9..7f22526346a7 100644 --- a/net/mptcp/syncookies.c +++ b/net/mptcp/syncookies.c @@ -108,18 +108,12 @@ bool mptcp_token_join_cookie_init_state(struct mptcp_subflow_request_sock *subfl e->valid = 0; - msk = mptcp_token_get_sock(e->token); + msk = mptcp_token_get_sock(net, e->token); if (!msk) { spin_unlock_bh(&join_entry_locks[i]); return false; } - /* If this fails, the token got re-used in the mean time by another - * mptcp socket in a different netns, i.e. entry is outdated. - */ - if (!net_eq(sock_net((struct sock *)msk), net)) - goto err_put; - subflow_req->remote_nonce = e->remote_nonce; subflow_req->local_nonce = e->local_nonce; subflow_req->backup = e->backup; @@ -128,11 +122,6 @@ bool mptcp_token_join_cookie_init_state(struct mptcp_subflow_request_sock *subfl subflow_req->msk = msk; spin_unlock_bh(&join_entry_locks[i]); return true; - -err_put: - spin_unlock_bh(&join_entry_locks[i]); - sock_put((struct sock *)msk); - return false; } void __init mptcp_join_cookie_init(void) diff --git a/net/mptcp/token.c b/net/mptcp/token.c index a98e554b034f..e581b341c5be 100644 --- a/net/mptcp/token.c +++ b/net/mptcp/token.c @@ -231,6 +231,7 @@ found: /** * mptcp_token_get_sock - retrieve mptcp connection sock using its token + * @net: restrict to this namespace * @token: token of the mptcp connection to retrieve * * This function returns the mptcp connection structure with the given token. @@ -238,7 +239,7 @@ found: * * returns NULL if no connection with the given token value exists. */ -struct mptcp_sock *mptcp_token_get_sock(u32 token) +struct mptcp_sock *mptcp_token_get_sock(struct net *net, u32 token) { struct hlist_nulls_node *pos; struct token_bucket *bucket; @@ -251,11 +252,15 @@ struct mptcp_sock *mptcp_token_get_sock(u32 token) again: sk_nulls_for_each_rcu(sk, pos, &bucket->msk_chain) { msk = mptcp_sk(sk); - if (READ_ONCE(msk->token) != token) + if (READ_ONCE(msk->token) != token || + !net_eq(sock_net(sk), net)) continue; + if (!refcount_inc_not_zero(&sk->sk_refcnt)) goto not_found; - if (READ_ONCE(msk->token) != token) { + + if (READ_ONCE(msk->token) != token || + !net_eq(sock_net(sk), net)) { sock_put(sk); goto again; } diff --git a/net/mptcp/token_test.c b/net/mptcp/token_test.c index e1bd6f0a0676..5d984bec1cd8 100644 --- a/net/mptcp/token_test.c +++ b/net/mptcp/token_test.c @@ -11,6 +11,7 @@ static struct mptcp_subflow_request_sock *build_req_sock(struct kunit *test) GFP_USER); KUNIT_EXPECT_NOT_ERR_OR_NULL(test, req); mptcp_token_init_request((struct request_sock *)req); + sock_net_set((struct sock *)req, &init_net); return req; } @@ -22,7 +23,7 @@ static void mptcp_token_test_req_basic(struct kunit *test) KUNIT_ASSERT_EQ(test, 0, mptcp_token_new_request((struct request_sock *)req)); KUNIT_EXPECT_NE(test, 0, (int)req->token); - KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(req->token)); + KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, req->token)); /* cleanup */ mptcp_token_destroy_request((struct request_sock *)req); @@ -55,6 +56,7 @@ static struct mptcp_sock *build_msk(struct kunit *test) msk = kunit_kzalloc(test, sizeof(struct mptcp_sock), GFP_USER); KUNIT_EXPECT_NOT_ERR_OR_NULL(test, msk); refcount_set(&((struct sock *)msk)->sk_refcnt, 1); + sock_net_set((struct sock *)msk, &init_net); return msk; } @@ -74,11 +76,11 @@ static void mptcp_token_test_msk_basic(struct kunit *test) mptcp_token_new_connect((struct sock *)icsk)); KUNIT_EXPECT_NE(test, 0, (int)ctx->token); KUNIT_EXPECT_EQ(test, ctx->token, msk->token); - KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(ctx->token)); + KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, ctx->token)); KUNIT_EXPECT_EQ(test, 2, (int)refcount_read(&sk->sk_refcnt)); mptcp_token_destroy(msk); - KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(ctx->token)); + KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, ctx->token)); } static void mptcp_token_test_accept(struct kunit *test) @@ -90,11 +92,11 @@ static void mptcp_token_test_accept(struct kunit *test) mptcp_token_new_request((struct request_sock *)req)); msk->token = req->token; mptcp_token_accept(req, msk); - KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(msk->token)); + KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, msk->token)); /* this is now a no-op */ mptcp_token_destroy_request((struct request_sock *)req); - KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(msk->token)); + KUNIT_EXPECT_PTR_EQ(test, msk, mptcp_token_get_sock(&init_net, msk->token)); /* cleanup */ mptcp_token_destroy(msk); @@ -116,7 +118,7 @@ static void mptcp_token_test_destroyed(struct kunit *test) /* simulate race on removal */ refcount_set(&sk->sk_refcnt, 0); - KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(msk->token)); + KUNIT_EXPECT_PTR_EQ(test, null_msk, mptcp_token_get_sock(&init_net, msk->token)); /* cleanup */ mptcp_token_destroy(msk); diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index 6186358eac7c..6e391308431d 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -130,11 +130,11 @@ htable_size(u8 hbits) { size_t hsize; - /* We must fit both into u32 in jhash and size_t */ + /* We must fit both into u32 in jhash and INT_MAX in kvmalloc_node() */ if (hbits > 31) return 0; hsize = jhash_size(hbits); - if ((((size_t)-1) - sizeof(struct htable)) / sizeof(struct hbucket *) + if ((INT_MAX - sizeof(struct htable)) / sizeof(struct hbucket *) < hsize) return 0; diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index c100c6b112c8..2c467c422dc6 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -1468,6 +1468,10 @@ int __init ip_vs_conn_init(void) int idx; /* Compute size and mask */ + if (ip_vs_conn_tab_bits < 8 || ip_vs_conn_tab_bits > 20) { + pr_info("conn_tab_bits not in [8, 20]. Using default value\n"); + ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS; + } ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits; ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 94e18fb9690d..770a63103c7a 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -74,10 +74,14 @@ static __read_mostly struct kmem_cache *nf_conntrack_cachep; static DEFINE_SPINLOCK(nf_conntrack_locks_all_lock); static __read_mostly bool nf_conntrack_locks_all; +/* serialize hash resizes and nf_ct_iterate_cleanup */ +static DEFINE_MUTEX(nf_conntrack_mutex); + #define GC_SCAN_INTERVAL (120u * HZ) #define GC_SCAN_MAX_DURATION msecs_to_jiffies(10) -#define MAX_CHAINLEN 64u +#define MIN_CHAINLEN 8u +#define MAX_CHAINLEN (32u - MIN_CHAINLEN) static struct conntrack_gc_work conntrack_gc_work; @@ -188,11 +192,13 @@ seqcount_spinlock_t nf_conntrack_generation __read_mostly; static siphash_key_t nf_conntrack_hash_rnd __read_mostly; static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple, + unsigned int zoneid, const struct net *net) { struct { struct nf_conntrack_man src; union nf_inet_addr dst_addr; + unsigned int zone; u32 net_mix; u16 dport; u16 proto; @@ -205,6 +211,7 @@ static u32 hash_conntrack_raw(const struct nf_conntrack_tuple *tuple, /* The direction must be ignored, so handle usable members manually. */ combined.src = tuple->src; combined.dst_addr = tuple->dst.u3; + combined.zone = zoneid; combined.net_mix = net_hash_mix(net); combined.dport = (__force __u16)tuple->dst.u.all; combined.proto = tuple->dst.protonum; @@ -219,15 +226,17 @@ static u32 scale_hash(u32 hash) static u32 __hash_conntrack(const struct net *net, const struct nf_conntrack_tuple *tuple, + unsigned int zoneid, unsigned int size) { - return reciprocal_scale(hash_conntrack_raw(tuple, net), size); + return reciprocal_scale(hash_conntrack_raw(tuple, zoneid, net), size); } static u32 hash_conntrack(const struct net *net, - const struct nf_conntrack_tuple *tuple) + const struct nf_conntrack_tuple *tuple, + unsigned int zoneid) { - return scale_hash(hash_conntrack_raw(tuple, net)); + return scale_hash(hash_conntrack_raw(tuple, zoneid, net)); } static bool nf_ct_get_tuple_ports(const struct sk_buff *skb, @@ -650,9 +659,11 @@ static void nf_ct_delete_from_lists(struct nf_conn *ct) do { sequence = read_seqcount_begin(&nf_conntrack_generation); hash = hash_conntrack(net, - &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); + &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, + nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_ORIGINAL)); reply_hash = hash_conntrack(net, - &ct->tuplehash[IP_CT_DIR_REPLY].tuple); + &ct->tuplehash[IP_CT_DIR_REPLY].tuple, + nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_REPLY)); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); clean_from_lists(ct); @@ -819,8 +830,20 @@ struct nf_conntrack_tuple_hash * nf_conntrack_find_get(struct net *net, const struct nf_conntrack_zone *zone, const struct nf_conntrack_tuple *tuple) { - return __nf_conntrack_find_get(net, zone, tuple, - hash_conntrack_raw(tuple, net)); + unsigned int rid, zone_id = nf_ct_zone_id(zone, IP_CT_DIR_ORIGINAL); + struct nf_conntrack_tuple_hash *thash; + + thash = __nf_conntrack_find_get(net, zone, tuple, + hash_conntrack_raw(tuple, zone_id, net)); + + if (thash) + return thash; + + rid = nf_ct_zone_id(zone, IP_CT_DIR_REPLY); + if (rid != zone_id) + return __nf_conntrack_find_get(net, zone, tuple, + hash_conntrack_raw(tuple, rid, net)); + return thash; } EXPORT_SYMBOL_GPL(nf_conntrack_find_get); @@ -842,6 +865,7 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) unsigned int hash, reply_hash; struct nf_conntrack_tuple_hash *h; struct hlist_nulls_node *n; + unsigned int max_chainlen; unsigned int chainlen = 0; unsigned int sequence; int err = -EEXIST; @@ -852,18 +876,22 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) do { sequence = read_seqcount_begin(&nf_conntrack_generation); hash = hash_conntrack(net, - &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); + &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, + nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_ORIGINAL)); reply_hash = hash_conntrack(net, - &ct->tuplehash[IP_CT_DIR_REPLY].tuple); + &ct->tuplehash[IP_CT_DIR_REPLY].tuple, + nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_REPLY)); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); + max_chainlen = MIN_CHAINLEN + prandom_u32_max(MAX_CHAINLEN); + /* See if there's one in the list already, including reverse */ hlist_nulls_for_each_entry(h, n, &nf_conntrack_hash[hash], hnnode) { if (nf_ct_key_equal(h, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, zone, net)) goto out; - if (chainlen++ > MAX_CHAINLEN) + if (chainlen++ > max_chainlen) goto chaintoolong; } @@ -873,7 +901,7 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) if (nf_ct_key_equal(h, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, zone, net)) goto out; - if (chainlen++ > MAX_CHAINLEN) + if (chainlen++ > max_chainlen) goto chaintoolong; } @@ -1103,8 +1131,8 @@ drop: int __nf_conntrack_confirm(struct sk_buff *skb) { + unsigned int chainlen = 0, sequence, max_chainlen; const struct nf_conntrack_zone *zone; - unsigned int chainlen = 0, sequence; unsigned int hash, reply_hash; struct nf_conntrack_tuple_hash *h; struct nf_conn *ct; @@ -1133,8 +1161,8 @@ __nf_conntrack_confirm(struct sk_buff *skb) hash = *(unsigned long *)&ct->tuplehash[IP_CT_DIR_REPLY].hnnode.pprev; hash = scale_hash(hash); reply_hash = hash_conntrack(net, - &ct->tuplehash[IP_CT_DIR_REPLY].tuple); - + &ct->tuplehash[IP_CT_DIR_REPLY].tuple, + nf_ct_zone_id(nf_ct_zone(ct), IP_CT_DIR_REPLY)); } while (nf_conntrack_double_lock(net, hash, reply_hash, sequence)); /* We're not in hash table, and we refuse to set up related @@ -1168,6 +1196,7 @@ __nf_conntrack_confirm(struct sk_buff *skb) goto dying; } + max_chainlen = MIN_CHAINLEN + prandom_u32_max(MAX_CHAINLEN); /* See if there's one in the list already, including reverse: NAT could have grabbed it without realizing, since we're not in the hash. If there is, we lost race. */ @@ -1175,7 +1204,7 @@ __nf_conntrack_confirm(struct sk_buff *skb) if (nf_ct_key_equal(h, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple, zone, net)) goto out; - if (chainlen++ > MAX_CHAINLEN) + if (chainlen++ > max_chainlen) goto chaintoolong; } @@ -1184,7 +1213,7 @@ __nf_conntrack_confirm(struct sk_buff *skb) if (nf_ct_key_equal(h, &ct->tuplehash[IP_CT_DIR_REPLY].tuple, zone, net)) goto out; - if (chainlen++ > MAX_CHAINLEN) { + if (chainlen++ > max_chainlen) { chaintoolong: nf_ct_add_to_dying_list(ct); NF_CT_STAT_INC(net, chaintoolong); @@ -1246,7 +1275,7 @@ nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, rcu_read_lock(); begin: nf_conntrack_get_ht(&ct_hash, &hsize); - hash = __hash_conntrack(net, tuple, hsize); + hash = __hash_conntrack(net, tuple, nf_ct_zone_id(zone, IP_CT_DIR_REPLY), hsize); hlist_nulls_for_each_entry_rcu(h, n, &ct_hash[hash], hnnode) { ct = nf_ct_tuplehash_to_ctrack(h); @@ -1687,8 +1716,8 @@ resolve_normal_ct(struct nf_conn *tmpl, struct nf_conntrack_tuple_hash *h; enum ip_conntrack_info ctinfo; struct nf_conntrack_zone tmp; + u32 hash, zone_id, rid; struct nf_conn *ct; - u32 hash; if (!nf_ct_get_tuple(skb, skb_network_offset(skb), dataoff, state->pf, protonum, state->net, @@ -1699,8 +1728,20 @@ resolve_normal_ct(struct nf_conn *tmpl, /* look for tuple match */ zone = nf_ct_zone_tmpl(tmpl, skb, &tmp); - hash = hash_conntrack_raw(&tuple, state->net); + + zone_id = nf_ct_zone_id(zone, IP_CT_DIR_ORIGINAL); + hash = hash_conntrack_raw(&tuple, zone_id, state->net); h = __nf_conntrack_find_get(state->net, zone, &tuple, hash); + + if (!h) { + rid = nf_ct_zone_id(zone, IP_CT_DIR_REPLY); + if (zone_id != rid) { + u32 tmp = hash_conntrack_raw(&tuple, rid, state->net); + + h = __nf_conntrack_find_get(state->net, zone, &tuple, tmp); + } + } + if (!h) { h = init_conntrack(state->net, tmpl, &tuple, skb, dataoff, hash); @@ -2225,28 +2266,31 @@ get_next_corpse(int (*iter)(struct nf_conn *i, void *data), spinlock_t *lockp; for (; *bucket < nf_conntrack_htable_size; (*bucket)++) { + struct hlist_nulls_head *hslot = &nf_conntrack_hash[*bucket]; + + if (hlist_nulls_empty(hslot)) + continue; + lockp = &nf_conntrack_locks[*bucket % CONNTRACK_LOCKS]; local_bh_disable(); nf_conntrack_lock(lockp); - if (*bucket < nf_conntrack_htable_size) { - hlist_nulls_for_each_entry(h, n, &nf_conntrack_hash[*bucket], hnnode) { - if (NF_CT_DIRECTION(h) != IP_CT_DIR_REPLY) - continue; - /* All nf_conn objects are added to hash table twice, one - * for original direction tuple, once for the reply tuple. - * - * Exception: In the IPS_NAT_CLASH case, only the reply - * tuple is added (the original tuple already existed for - * a different object). - * - * We only need to call the iterator once for each - * conntrack, so we just use the 'reply' direction - * tuple while iterating. - */ - ct = nf_ct_tuplehash_to_ctrack(h); - if (iter(ct, data)) - goto found; - } + hlist_nulls_for_each_entry(h, n, hslot, hnnode) { + if (NF_CT_DIRECTION(h) != IP_CT_DIR_REPLY) + continue; + /* All nf_conn objects are added to hash table twice, one + * for original direction tuple, once for the reply tuple. + * + * Exception: In the IPS_NAT_CLASH case, only the reply + * tuple is added (the original tuple already existed for + * a different object). + * + * We only need to call the iterator once for each + * conntrack, so we just use the 'reply' direction + * tuple while iterating. + */ + ct = nf_ct_tuplehash_to_ctrack(h); + if (iter(ct, data)) + goto found; } spin_unlock(lockp); local_bh_enable(); @@ -2264,26 +2308,20 @@ found: static void nf_ct_iterate_cleanup(int (*iter)(struct nf_conn *i, void *data), void *data, u32 portid, int report) { - unsigned int bucket = 0, sequence; + unsigned int bucket = 0; struct nf_conn *ct; might_sleep(); - for (;;) { - sequence = read_seqcount_begin(&nf_conntrack_generation); - - while ((ct = get_next_corpse(iter, data, &bucket)) != NULL) { - /* Time to push up daises... */ + mutex_lock(&nf_conntrack_mutex); + while ((ct = get_next_corpse(iter, data, &bucket)) != NULL) { + /* Time to push up daises... */ - nf_ct_delete(ct, portid, report); - nf_ct_put(ct); - cond_resched(); - } - - if (!read_seqcount_retry(&nf_conntrack_generation, sequence)) - break; - bucket = 0; + nf_ct_delete(ct, portid, report); + nf_ct_put(ct); + cond_resched(); } + mutex_unlock(&nf_conntrack_mutex); } struct iter_data { @@ -2519,8 +2557,10 @@ int nf_conntrack_hash_resize(unsigned int hashsize) if (!hash) return -ENOMEM; + mutex_lock(&nf_conntrack_mutex); old_size = nf_conntrack_htable_size; if (old_size == hashsize) { + mutex_unlock(&nf_conntrack_mutex); kvfree(hash); return 0; } @@ -2537,12 +2577,16 @@ int nf_conntrack_hash_resize(unsigned int hashsize) for (i = 0; i < nf_conntrack_htable_size; i++) { while (!hlist_nulls_empty(&nf_conntrack_hash[i])) { + unsigned int zone_id; + h = hlist_nulls_entry(nf_conntrack_hash[i].first, struct nf_conntrack_tuple_hash, hnnode); ct = nf_ct_tuplehash_to_ctrack(h); hlist_nulls_del_rcu(&h->hnnode); + + zone_id = nf_ct_zone_id(nf_ct_zone(ct), NF_CT_DIRECTION(h)); bucket = __hash_conntrack(nf_ct_net(ct), - &h->tuple, hashsize); + &h->tuple, zone_id, hashsize); hlist_nulls_add_head_rcu(&h->hnnode, &hash[bucket]); } } @@ -2556,6 +2600,8 @@ int nf_conntrack_hash_resize(unsigned int hashsize) nf_conntrack_all_unlock(); local_bh_enable(); + mutex_unlock(&nf_conntrack_mutex); + synchronize_net(); kvfree(old_hash); return 0; diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 7008961f5cb0..273117683922 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -150,13 +150,16 @@ static void __nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl) /* We keep an extra hash for each conntrack, for fast searching. */ static unsigned int -hash_by_src(const struct net *n, const struct nf_conntrack_tuple *tuple) +hash_by_src(const struct net *net, + const struct nf_conntrack_zone *zone, + const struct nf_conntrack_tuple *tuple) { unsigned int hash; struct { struct nf_conntrack_man src; u32 net_mix; u32 protonum; + u32 zone; } __aligned(SIPHASH_ALIGNMENT) combined; get_random_once(&nf_nat_hash_rnd, sizeof(nf_nat_hash_rnd)); @@ -165,9 +168,13 @@ hash_by_src(const struct net *n, const struct nf_conntrack_tuple *tuple) /* Original src, to ensure we map it consistently if poss. */ combined.src = tuple->src; - combined.net_mix = net_hash_mix(n); + combined.net_mix = net_hash_mix(net); combined.protonum = tuple->dst.protonum; + /* Zone ID can be used provided its valid for both directions */ + if (zone->dir == NF_CT_DEFAULT_ZONE_DIR) + combined.zone = zone->id; + hash = siphash(&combined, sizeof(combined), &nf_nat_hash_rnd); return reciprocal_scale(hash, nf_nat_htable_size); @@ -272,7 +279,7 @@ find_appropriate_src(struct net *net, struct nf_conntrack_tuple *result, const struct nf_nat_range2 *range) { - unsigned int h = hash_by_src(net, tuple); + unsigned int h = hash_by_src(net, zone, tuple); const struct nf_conn *ct; hlist_for_each_entry_rcu(ct, &nf_nat_bysource[h], nat_bysource) { @@ -619,7 +626,7 @@ nf_nat_setup_info(struct nf_conn *ct, unsigned int srchash; spinlock_t *lock; - srchash = hash_by_src(net, + srchash = hash_by_src(net, nf_ct_zone(ct), &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); lock = &nf_nat_locks[srchash % CONNTRACK_LOCKS]; spin_lock_bh(lock); @@ -788,7 +795,7 @@ static void __nf_nat_cleanup_conntrack(struct nf_conn *ct) { unsigned int h; - h = hash_by_src(nf_ct_net(ct), &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); + h = hash_by_src(nf_ct_net(ct), nf_ct_zone(ct), &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); spin_lock_bh(&nf_nat_locks[h % CONNTRACK_LOCKS]); hlist_del_rcu(&ct->nat_bysource); spin_unlock_bh(&nf_nat_locks[h % CONNTRACK_LOCKS]); diff --git a/net/netfilter/nf_nat_masquerade.c b/net/netfilter/nf_nat_masquerade.c index 8e8a65d46345..acd73f717a08 100644 --- a/net/netfilter/nf_nat_masquerade.c +++ b/net/netfilter/nf_nat_masquerade.c @@ -9,8 +9,19 @@ #include <net/netfilter/nf_nat_masquerade.h> +struct masq_dev_work { + struct work_struct work; + struct net *net; + union nf_inet_addr addr; + int ifindex; + int (*iter)(struct nf_conn *i, void *data); +}; + +#define MAX_MASQ_WORKER_COUNT 16 + static DEFINE_MUTEX(masq_mutex); static unsigned int masq_refcnt __read_mostly; +static atomic_t masq_worker_count __read_mostly; unsigned int nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum, @@ -63,13 +74,71 @@ nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum, } EXPORT_SYMBOL_GPL(nf_nat_masquerade_ipv4); -static int device_cmp(struct nf_conn *i, void *ifindex) +static void iterate_cleanup_work(struct work_struct *work) +{ + struct masq_dev_work *w; + + w = container_of(work, struct masq_dev_work, work); + + nf_ct_iterate_cleanup_net(w->net, w->iter, (void *)w, 0, 0); + + put_net(w->net); + kfree(w); + atomic_dec(&masq_worker_count); + module_put(THIS_MODULE); +} + +/* Iterate conntrack table in the background and remove conntrack entries + * that use the device/address being removed. + * + * In case too many work items have been queued already or memory allocation + * fails iteration is skipped, conntrack entries will time out eventually. + */ +static void nf_nat_masq_schedule(struct net *net, union nf_inet_addr *addr, + int ifindex, + int (*iter)(struct nf_conn *i, void *data), + gfp_t gfp_flags) +{ + struct masq_dev_work *w; + + if (atomic_read(&masq_worker_count) > MAX_MASQ_WORKER_COUNT) + return; + + net = maybe_get_net(net); + if (!net) + return; + + if (!try_module_get(THIS_MODULE)) + goto err_module; + + w = kzalloc(sizeof(*w), gfp_flags); + if (w) { + /* We can overshoot MAX_MASQ_WORKER_COUNT, no big deal */ + atomic_inc(&masq_worker_count); + + INIT_WORK(&w->work, iterate_cleanup_work); + w->ifindex = ifindex; + w->net = net; + w->iter = iter; + if (addr) + w->addr = *addr; + schedule_work(&w->work); + return; + } + + module_put(THIS_MODULE); + err_module: + put_net(net); +} + +static int device_cmp(struct nf_conn *i, void *arg) { const struct nf_conn_nat *nat = nfct_nat(i); + const struct masq_dev_work *w = arg; if (!nat) return 0; - return nat->masq_index == (int)(long)ifindex; + return nat->masq_index == w->ifindex; } static int masq_device_event(struct notifier_block *this, @@ -85,8 +154,8 @@ static int masq_device_event(struct notifier_block *this, * and forget them. */ - nf_ct_iterate_cleanup_net(net, device_cmp, - (void *)(long)dev->ifindex, 0, 0); + nf_nat_masq_schedule(net, NULL, dev->ifindex, + device_cmp, GFP_KERNEL); } return NOTIFY_DONE; @@ -94,35 +163,45 @@ static int masq_device_event(struct notifier_block *this, static int inet_cmp(struct nf_conn *ct, void *ptr) { - struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; - struct net_device *dev = ifa->ifa_dev->dev; struct nf_conntrack_tuple *tuple; + struct masq_dev_work *w = ptr; - if (!device_cmp(ct, (void *)(long)dev->ifindex)) + if (!device_cmp(ct, ptr)) return 0; tuple = &ct->tuplehash[IP_CT_DIR_REPLY].tuple; - return ifa->ifa_address == tuple->dst.u3.ip; + return nf_inet_addr_cmp(&w->addr, &tuple->dst.u3); } static int masq_inet_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct in_device *idev = ((struct in_ifaddr *)ptr)->ifa_dev; - struct net *net = dev_net(idev->dev); + const struct in_ifaddr *ifa = ptr; + const struct in_device *idev; + const struct net_device *dev; + union nf_inet_addr addr; + + if (event != NETDEV_DOWN) + return NOTIFY_DONE; /* The masq_dev_notifier will catch the case of the device going * down. So if the inetdev is dead and being destroyed we have * no work to do. Otherwise this is an individual address removal * and we have to perform the flush. */ + idev = ifa->ifa_dev; if (idev->dead) return NOTIFY_DONE; - if (event == NETDEV_DOWN) - nf_ct_iterate_cleanup_net(net, inet_cmp, ptr, 0, 0); + memset(&addr, 0, sizeof(addr)); + + addr.ip = ifa->ifa_address; + + dev = idev->dev; + nf_nat_masq_schedule(dev_net(idev->dev), &addr, dev->ifindex, + inet_cmp, GFP_KERNEL); return NOTIFY_DONE; } @@ -136,8 +215,6 @@ static struct notifier_block masq_inet_notifier = { }; #if IS_ENABLED(CONFIG_IPV6) -static atomic_t v6_worker_count __read_mostly; - static int nat_ipv6_dev_get_saddr(struct net *net, const struct net_device *dev, const struct in6_addr *daddr, unsigned int srcprefs, @@ -187,40 +264,6 @@ nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range2 *range, } EXPORT_SYMBOL_GPL(nf_nat_masquerade_ipv6); -struct masq_dev_work { - struct work_struct work; - struct net *net; - struct in6_addr addr; - int ifindex; -}; - -static int inet6_cmp(struct nf_conn *ct, void *work) -{ - struct masq_dev_work *w = (struct masq_dev_work *)work; - struct nf_conntrack_tuple *tuple; - - if (!device_cmp(ct, (void *)(long)w->ifindex)) - return 0; - - tuple = &ct->tuplehash[IP_CT_DIR_REPLY].tuple; - - return ipv6_addr_equal(&w->addr, &tuple->dst.u3.in6); -} - -static void iterate_cleanup_work(struct work_struct *work) -{ - struct masq_dev_work *w; - - w = container_of(work, struct masq_dev_work, work); - - nf_ct_iterate_cleanup_net(w->net, inet6_cmp, (void *)w, 0, 0); - - put_net(w->net); - kfree(w); - atomic_dec(&v6_worker_count); - module_put(THIS_MODULE); -} - /* atomic notifier; can't call nf_ct_iterate_cleanup_net (it can sleep). * * Defer it to the system workqueue. @@ -233,36 +276,19 @@ static int masq_inet6_event(struct notifier_block *this, { struct inet6_ifaddr *ifa = ptr; const struct net_device *dev; - struct masq_dev_work *w; - struct net *net; + union nf_inet_addr addr; - if (event != NETDEV_DOWN || atomic_read(&v6_worker_count) >= 16) + if (event != NETDEV_DOWN) return NOTIFY_DONE; dev = ifa->idev->dev; - net = maybe_get_net(dev_net(dev)); - if (!net) - return NOTIFY_DONE; - if (!try_module_get(THIS_MODULE)) - goto err_module; + memset(&addr, 0, sizeof(addr)); - w = kmalloc(sizeof(*w), GFP_ATOMIC); - if (w) { - atomic_inc(&v6_worker_count); - - INIT_WORK(&w->work, iterate_cleanup_work); - w->ifindex = dev->ifindex; - w->net = net; - w->addr = ifa->addr; - schedule_work(&w->work); + addr.in6 = ifa->addr; - return NOTIFY_DONE; - } - - module_put(THIS_MODULE); - err_module: - put_net(net); + nf_nat_masq_schedule(dev_net(dev), &addr, dev->ifindex, inet_cmp, + GFP_ATOMIC); return NOTIFY_DONE; } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 081437dd75b7..c0851fec11d4 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -780,6 +780,7 @@ static void nf_tables_table_notify(const struct nft_ctx *ctx, int event) { struct nftables_pernet *nft_net; struct sk_buff *skb; + u16 flags = 0; int err; if (!ctx->report && @@ -790,8 +791,11 @@ static void nf_tables_table_notify(const struct nft_ctx *ctx, int event) if (skb == NULL) goto err; + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + err = nf_tables_fill_table_info(skb, ctx->net, ctx->portid, ctx->seq, - event, 0, ctx->family, ctx->table); + event, flags, ctx->family, ctx->table); if (err < 0) { kfree_skb(skb); goto err; @@ -1563,6 +1567,7 @@ static void nf_tables_chain_notify(const struct nft_ctx *ctx, int event) { struct nftables_pernet *nft_net; struct sk_buff *skb; + u16 flags = 0; int err; if (!ctx->report && @@ -1573,8 +1578,11 @@ static void nf_tables_chain_notify(const struct nft_ctx *ctx, int event) if (skb == NULL) goto err; + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + err = nf_tables_fill_chain_info(skb, ctx->net, ctx->portid, ctx->seq, - event, 0, ctx->family, ctx->table, + event, flags, ctx->family, ctx->table, ctx->chain); if (err < 0) { kfree_skb(skb); @@ -2866,8 +2874,7 @@ static int nf_tables_fill_rule_info(struct sk_buff *skb, struct net *net, u32 flags, int family, const struct nft_table *table, const struct nft_chain *chain, - const struct nft_rule *rule, - const struct nft_rule *prule) + const struct nft_rule *rule, u64 handle) { struct nlmsghdr *nlh; const struct nft_expr *expr, *next; @@ -2887,9 +2894,8 @@ static int nf_tables_fill_rule_info(struct sk_buff *skb, struct net *net, NFTA_RULE_PAD)) goto nla_put_failure; - if (event != NFT_MSG_DELRULE && prule) { - if (nla_put_be64(skb, NFTA_RULE_POSITION, - cpu_to_be64(prule->handle), + if (event != NFT_MSG_DELRULE && handle) { + if (nla_put_be64(skb, NFTA_RULE_POSITION, cpu_to_be64(handle), NFTA_RULE_PAD)) goto nla_put_failure; } @@ -2925,7 +2931,10 @@ static void nf_tables_rule_notify(const struct nft_ctx *ctx, const struct nft_rule *rule, int event) { struct nftables_pernet *nft_net = nft_pernet(ctx->net); + const struct nft_rule *prule; struct sk_buff *skb; + u64 handle = 0; + u16 flags = 0; int err; if (!ctx->report && @@ -2936,9 +2945,20 @@ static void nf_tables_rule_notify(const struct nft_ctx *ctx, if (skb == NULL) goto err; + if (event == NFT_MSG_NEWRULE && + !list_is_first(&rule->list, &ctx->chain->rules) && + !list_is_last(&rule->list, &ctx->chain->rules)) { + prule = list_prev_entry(rule, list); + handle = prule->handle; + } + if (ctx->flags & (NLM_F_APPEND | NLM_F_REPLACE)) + flags |= NLM_F_APPEND; + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + err = nf_tables_fill_rule_info(skb, ctx->net, ctx->portid, ctx->seq, - event, 0, ctx->family, ctx->table, - ctx->chain, rule, NULL); + event, flags, ctx->family, ctx->table, + ctx->chain, rule, handle); if (err < 0) { kfree_skb(skb); goto err; @@ -2964,6 +2984,7 @@ static int __nf_tables_dump_rules(struct sk_buff *skb, struct net *net = sock_net(skb->sk); const struct nft_rule *rule, *prule; unsigned int s_idx = cb->args[0]; + u64 handle; prule = NULL; list_for_each_entry_rcu(rule, &chain->rules, list) { @@ -2975,12 +2996,17 @@ static int __nf_tables_dump_rules(struct sk_buff *skb, memset(&cb->args[1], 0, sizeof(cb->args) - sizeof(cb->args[0])); } + if (prule) + handle = prule->handle; + else + handle = 0; + if (nf_tables_fill_rule_info(skb, net, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NFT_MSG_NEWRULE, NLM_F_MULTI | NLM_F_APPEND, table->family, - table, chain, rule, prule) < 0) + table, chain, rule, handle) < 0) return 1; nl_dump_check_consistent(cb, nlmsg_hdr(skb)); @@ -3143,7 +3169,7 @@ static int nf_tables_getrule(struct sk_buff *skb, const struct nfnl_info *info, err = nf_tables_fill_rule_info(skb2, net, NETLINK_CB(skb).portid, info->nlh->nlmsg_seq, NFT_MSG_NEWRULE, 0, - family, table, chain, rule, NULL); + family, table, chain, rule, 0); if (err < 0) goto err_fill_rule_info; @@ -3403,17 +3429,15 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info, } if (info->nlh->nlmsg_flags & NLM_F_REPLACE) { + err = nft_delrule(&ctx, old_rule); + if (err < 0) + goto err_destroy_flow_rule; + trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule); if (trans == NULL) { err = -ENOMEM; goto err_destroy_flow_rule; } - err = nft_delrule(&ctx, old_rule); - if (err < 0) { - nft_trans_destroy(trans); - goto err_destroy_flow_rule; - } - list_add_tail_rcu(&rule->list, &old_rule->list); } else { trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule); @@ -3943,8 +3967,9 @@ static void nf_tables_set_notify(const struct nft_ctx *ctx, gfp_t gfp_flags) { struct nftables_pernet *nft_net = nft_pernet(ctx->net); - struct sk_buff *skb; u32 portid = ctx->portid; + struct sk_buff *skb; + u16 flags = 0; int err; if (!ctx->report && @@ -3955,7 +3980,10 @@ static void nf_tables_set_notify(const struct nft_ctx *ctx, if (skb == NULL) goto err; - err = nf_tables_fill_set(skb, ctx, set, event, 0); + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + + err = nf_tables_fill_set(skb, ctx, set, event, flags); if (err < 0) { kfree_skb(skb); goto err; @@ -4336,7 +4364,7 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, if (ops->privsize != NULL) size = ops->privsize(nla, &desc); alloc_size = sizeof(*set) + size + udlen; - if (alloc_size < size) + if (alloc_size < size || alloc_size > INT_MAX) return -ENOMEM; set = kvzalloc(alloc_size, GFP_KERNEL); if (!set) @@ -5231,12 +5259,13 @@ static int nf_tables_getsetelem(struct sk_buff *skb, static void nf_tables_setelem_notify(const struct nft_ctx *ctx, const struct nft_set *set, const struct nft_set_elem *elem, - int event, u16 flags) + int event) { struct nftables_pernet *nft_net; struct net *net = ctx->net; u32 portid = ctx->portid; struct sk_buff *skb; + u16 flags = 0; int err; if (!ctx->report && !nfnetlink_has_listeners(net, NFNLGRP_NFTABLES)) @@ -5246,6 +5275,9 @@ static void nf_tables_setelem_notify(const struct nft_ctx *ctx, if (skb == NULL) goto err; + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + err = nf_tables_fill_setelem_info(skb, ctx, 0, portid, event, flags, set, elem); if (err < 0) { @@ -6921,7 +6953,7 @@ static int nf_tables_delobj(struct sk_buff *skb, const struct nfnl_info *info, void nft_obj_notify(struct net *net, const struct nft_table *table, struct nft_object *obj, u32 portid, u32 seq, int event, - int family, int report, gfp_t gfp) + u16 flags, int family, int report, gfp_t gfp) { struct nftables_pernet *nft_net = nft_pernet(net); struct sk_buff *skb; @@ -6946,8 +6978,9 @@ void nft_obj_notify(struct net *net, const struct nft_table *table, if (skb == NULL) goto err; - err = nf_tables_fill_obj_info(skb, net, portid, seq, event, 0, family, - table, obj, false); + err = nf_tables_fill_obj_info(skb, net, portid, seq, event, + flags & (NLM_F_CREATE | NLM_F_EXCL), + family, table, obj, false); if (err < 0) { kfree_skb(skb); goto err; @@ -6964,7 +6997,7 @@ static void nf_tables_obj_notify(const struct nft_ctx *ctx, struct nft_object *obj, int event) { nft_obj_notify(ctx->net, ctx->table, obj, ctx->portid, ctx->seq, event, - ctx->family, ctx->report, GFP_KERNEL); + ctx->flags, ctx->family, ctx->report, GFP_KERNEL); } /* @@ -7745,6 +7778,7 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx, { struct nftables_pernet *nft_net = nft_pernet(ctx->net); struct sk_buff *skb; + u16 flags = 0; int err; if (!ctx->report && @@ -7755,8 +7789,11 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx, if (skb == NULL) goto err; + if (ctx->flags & (NLM_F_CREATE | NLM_F_EXCL)) + flags |= ctx->flags & (NLM_F_CREATE | NLM_F_EXCL); + err = nf_tables_fill_flowtable_info(skb, ctx->net, ctx->portid, - ctx->seq, event, 0, + ctx->seq, event, flags, ctx->family, flowtable, hook_list); if (err < 0) { kfree_skb(skb); @@ -8634,7 +8671,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) nft_setelem_activate(net, te->set, &te->elem); nf_tables_setelem_notify(&trans->ctx, te->set, &te->elem, - NFT_MSG_NEWSETELEM, 0); + NFT_MSG_NEWSETELEM); nft_trans_destroy(trans); break; case NFT_MSG_DELSETELEM: @@ -8642,7 +8679,7 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb) nf_tables_setelem_notify(&trans->ctx, te->set, &te->elem, - NFT_MSG_DELSETELEM, 0); + NFT_MSG_DELSETELEM); nft_setelem_remove(net, te->set, &te->elem); if (!nft_setelem_is_catchall(te->set, &te->elem)) { atomic_dec(&te->set->nelems); @@ -9599,7 +9636,6 @@ static void __nft_release_table(struct net *net, struct nft_table *table) table->use--; nf_tables_chain_destroy(&ctx); } - list_del(&table->list); nf_tables_table_destroy(&ctx); } @@ -9612,6 +9648,8 @@ static void __nft_release_tables(struct net *net) if (nft_table_has_owner(table)) continue; + list_del(&table->list); + __nft_release_table(net, table); } } @@ -9619,31 +9657,38 @@ static void __nft_release_tables(struct net *net) static int nft_rcv_nl_event(struct notifier_block *this, unsigned long event, void *ptr) { + struct nft_table *table, *to_delete[8]; struct nftables_pernet *nft_net; struct netlink_notify *n = ptr; - struct nft_table *table, *nt; struct net *net = n->net; - bool release = false; + unsigned int deleted; + bool restart = false; if (event != NETLINK_URELEASE || n->protocol != NETLINK_NETFILTER) return NOTIFY_DONE; nft_net = nft_pernet(net); + deleted = 0; mutex_lock(&nft_net->commit_mutex); +again: list_for_each_entry(table, &nft_net->tables, list) { if (nft_table_has_owner(table) && n->portid == table->nlpid) { __nft_release_hook(net, table); - release = true; + list_del_rcu(&table->list); + to_delete[deleted++] = table; + if (deleted >= ARRAY_SIZE(to_delete)) + break; } } - if (release) { + if (deleted) { + restart = deleted >= ARRAY_SIZE(to_delete); synchronize_rcu(); - list_for_each_entry_safe(table, nt, &nft_net->tables, list) { - if (nft_table_has_owner(table) && - n->portid == table->nlpid) - __nft_release_table(net, table); - } + while (deleted) + __nft_release_table(net, to_delete[--deleted]); + + if (restart) + goto again; } mutex_unlock(&nft_net->commit_mutex); diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c index 272bcdb1392d..f69cc73c5813 100644 --- a/net/netfilter/nft_compat.c +++ b/net/netfilter/nft_compat.c @@ -19,6 +19,7 @@ #include <linux/netfilter_bridge/ebtables.h> #include <linux/netfilter_arp/arp_tables.h> #include <net/netfilter/nf_tables.h> +#include <net/netfilter/nf_log.h> /* Used for matches where *info is larger than X byte */ #define NFT_MATCH_LARGE_THRESH 192 @@ -257,8 +258,22 @@ nft_target_init(const struct nft_ctx *ctx, const struct nft_expr *expr, nft_compat_wait_for_destructors(); ret = xt_check_target(&par, size, proto, inv); - if (ret < 0) + if (ret < 0) { + if (ret == -ENOENT) { + const char *modname = NULL; + + if (strcmp(target->name, "LOG") == 0) + modname = "nf_log_syslog"; + else if (strcmp(target->name, "NFLOG") == 0) + modname = "nfnetlink_log"; + + if (modname && + nft_request_module(ctx->net, "%s", modname) == -EAGAIN) + return -EAGAIN; + } + return ret; + } /* The standard target cannot be used */ if (!target->target) diff --git a/net/netfilter/nft_quota.c b/net/netfilter/nft_quota.c index 0363f533a42b..c4d1389f7185 100644 --- a/net/netfilter/nft_quota.c +++ b/net/netfilter/nft_quota.c @@ -60,7 +60,7 @@ static void nft_quota_obj_eval(struct nft_object *obj, if (overquota && !test_and_set_bit(NFT_QUOTA_DEPLETED_BIT, &priv->flags)) nft_obj_notify(nft_net(pkt), obj->key.table, obj, 0, 0, - NFT_MSG_NEWOBJ, nft_pf(pkt), 0, GFP_ATOMIC); + NFT_MSG_NEWOBJ, 0, nft_pf(pkt), 0, GFP_ATOMIC); } static int nft_quota_do_init(const struct nlattr * const tb[], diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c index 2ff75f7637b0..f39244f9c0ed 100644 --- a/net/netfilter/xt_LOG.c +++ b/net/netfilter/xt_LOG.c @@ -44,6 +44,7 @@ log_tg(struct sk_buff *skb, const struct xt_action_param *par) static int log_tg_check(const struct xt_tgchk_param *par) { const struct xt_log_info *loginfo = par->targinfo; + int ret; if (par->family != NFPROTO_IPV4 && par->family != NFPROTO_IPV6) return -EINVAL; @@ -58,7 +59,14 @@ static int log_tg_check(const struct xt_tgchk_param *par) return -EINVAL; } - return nf_logger_find_get(par->family, NF_LOG_TYPE_LOG); + ret = nf_logger_find_get(par->family, NF_LOG_TYPE_LOG); + if (ret != 0 && !par->nft_compat) { + request_module("%s", "nf_log_syslog"); + + ret = nf_logger_find_get(par->family, NF_LOG_TYPE_LOG); + } + + return ret; } static void log_tg_destroy(const struct xt_tgdtor_param *par) diff --git a/net/netfilter/xt_NFLOG.c b/net/netfilter/xt_NFLOG.c index fb5793208059..e660c3710a10 100644 --- a/net/netfilter/xt_NFLOG.c +++ b/net/netfilter/xt_NFLOG.c @@ -42,13 +42,21 @@ nflog_tg(struct sk_buff *skb, const struct xt_action_param *par) static int nflog_tg_check(const struct xt_tgchk_param *par) { const struct xt_nflog_info *info = par->targinfo; + int ret; if (info->flags & ~XT_NFLOG_MASK) return -EINVAL; if (info->prefix[sizeof(info->prefix) - 1] != '\0') return -EINVAL; - return nf_logger_find_get(par->family, NF_LOG_TYPE_ULOG); + ret = nf_logger_find_get(par->family, NF_LOG_TYPE_ULOG); + if (ret != 0 && !par->nft_compat) { + request_module("%s", "nfnetlink_log"); + + ret = nf_logger_find_get(par->family, NF_LOG_TYPE_ULOG); + } + + return ret; } static void nflog_tg_destroy(const struct xt_tgdtor_param *par) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 24b7cf447bc5..ada47e59647a 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -594,7 +594,10 @@ static int netlink_insert(struct sock *sk, u32 portid) /* We need to ensure that the socket is hashed and visible. */ smp_wmb(); - nlk_sk(sk)->bound = portid; + /* Paired with lockless reads from netlink_bind(), + * netlink_connect() and netlink_sendmsg(). + */ + WRITE_ONCE(nlk_sk(sk)->bound, portid); err: release_sock(sk); @@ -1012,7 +1015,8 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, if (nlk->ngroups < BITS_PER_LONG) groups &= (1UL << nlk->ngroups) - 1; - bound = nlk->bound; + /* Paired with WRITE_ONCE() in netlink_insert() */ + bound = READ_ONCE(nlk->bound); if (bound) { /* Ensure nlk->portid is up-to-date. */ smp_rmb(); @@ -1098,8 +1102,9 @@ static int netlink_connect(struct socket *sock, struct sockaddr *addr, /* No need for barriers here as we return to user-space without * using any of the bound attributes. + * Paired with WRITE_ONCE() in netlink_insert(). */ - if (!nlk->bound) + if (!READ_ONCE(nlk->bound)) err = netlink_autobind(sock); if (err == 0) { @@ -1888,7 +1893,8 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) dst_group = nlk->dst_group; } - if (!nlk->bound) { + /* Paired with WRITE_ONCE() in netlink_insert() */ + if (!READ_ONCE(nlk->bound)) { err = netlink_autobind(sock); if (err) goto out; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 543365f58e97..2a2bc64f75cf 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -46,6 +46,8 @@ * Copyright (C) 2011, <lokec@ccs.neu.edu> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/ethtool.h> #include <linux/types.h> #include <linux/mm.h> diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 23b21253b3c3..eb6345a027e1 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -2188,18 +2188,24 @@ static void fl_walk(struct tcf_proto *tp, struct tcf_walker *arg, arg->count = arg->skip; + rcu_read_lock(); idr_for_each_entry_continue_ul(&head->handle_idr, f, tmp, id) { /* don't return filters that are being deleted */ if (!refcount_inc_not_zero(&f->refcnt)) continue; + rcu_read_unlock(); + if (arg->fn(tp, f, arg) < 0) { __fl_put(f); arg->stop = 1; + rcu_read_lock(); break; } __fl_put(f); arg->count++; + rcu_read_lock(); } + rcu_read_unlock(); arg->cookie = id; } diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 5e90e9b160e3..12f39a2dffd4 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -513,6 +513,12 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt, return stab; } + if (s->size_log > STAB_SIZE_LOG_MAX || + s->cell_log > STAB_SIZE_LOG_MAX) { + NL_SET_ERR_MSG(extack, "Invalid logarithmic size of size table"); + return ERR_PTR(-EINVAL); + } + stab = kmalloc(sizeof(*stab) + tsize * sizeof(u16), GFP_KERNEL); if (!stab) return ERR_PTR(-ENOMEM); diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c index a579a4131d22..e1040421b797 100644 --- a/net/sched/sch_fifo.c +++ b/net/sched/sch_fifo.c @@ -233,6 +233,9 @@ int fifo_set_limit(struct Qdisc *q, unsigned int limit) if (strncmp(q->ops->id + 1, "fifo", 4) != 0) return 0; + if (!q->ops->change) + return 0; + nla = kmalloc(nla_attr_size(sizeof(struct tc_fifo_qopt)), GFP_KERNEL); if (nla) { nla->nla_type = RTM_NEWQDISC; diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 1ab2fc933a21..b9fd18d98646 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -1641,6 +1641,10 @@ static void taprio_destroy(struct Qdisc *sch) list_del(&q->taprio_list); spin_unlock(&taprio_list_lock); + /* Note that taprio_reset() might not be called if an error + * happens in qdisc_create(), after taprio_init() has been called. + */ + hrtimer_cancel(&q->advance_timer); taprio_disable_offload(dev, q, NULL); diff --git a/net/sctp/input.c b/net/sctp/input.c index 5ef86fdb1176..1f1786021d9c 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -702,7 +702,7 @@ static int sctp_rcv_ootb(struct sk_buff *skb) ch = skb_header_pointer(skb, offset, sizeof(*ch), &_ch); /* Break out if chunk length is less then minimal. */ - if (ntohs(ch->length) < sizeof(_ch)) + if (!ch || ntohs(ch->length) < sizeof(_ch)) break; ch_end = offset + SCTP_PAD4(ntohs(ch->length)); diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c index e286dafd6e88..6ec1ebe878ae 100644 --- a/net/smc/smc_clc.c +++ b/net/smc/smc_clc.c @@ -230,7 +230,8 @@ static int smc_clc_prfx_set(struct socket *clcsock, goto out_rel; } /* get address to which the internal TCP socket is bound */ - kernel_getsockname(clcsock, (struct sockaddr *)&addrs); + if (kernel_getsockname(clcsock, (struct sockaddr *)&addrs) < 0) + goto out_rel; /* analyze IP specific data of net_device belonging to TCP socket */ addr6 = (struct sockaddr_in6 *)&addrs; rcu_read_lock(); diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index af227b65669e..8280c938be80 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -1474,7 +1474,9 @@ static void smc_conn_abort_work(struct work_struct *work) abort_work); struct smc_sock *smc = container_of(conn, struct smc_sock, conn); + lock_sock(&smc->sk); smc_conn_kill(conn, true); + release_sock(&smc->sk); sock_put(&smc->sk); /* sock_hold done by schedulers of abort_work */ } diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 3e776e3dff91..1f2817195549 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -645,7 +645,7 @@ static bool gss_check_seq_num(const struct svc_rqst *rqstp, struct rsc *rsci, } __set_bit(seq_num % GSS_SEQ_WIN, sd->sd_win); goto ok; - } else if (seq_num <= sd->sd_max - GSS_SEQ_WIN) { + } else if (seq_num + GSS_SEQ_WIN <= sd->sd_max) { goto toolow; } if (__test_and_set_bit(seq_num % GSS_SEQ_WIN, sd->sd_win)) diff --git a/net/tipc/socket.c b/net/tipc/socket.c index a0a27d87f631..ad570c2450be 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2423,7 +2423,7 @@ static int tipc_sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk, u32 dport, struct sk_buff_head *xmitq) { - unsigned long time_limit = jiffies + 2; + unsigned long time_limit = jiffies + usecs_to_jiffies(20000); struct sk_buff *skb; unsigned int lim; atomic_t *dcnt; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index eb47b9de2380..0878ab86597b 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -608,20 +608,42 @@ static void unix_release_sock(struct sock *sk, int embrion) static void init_peercred(struct sock *sk) { - put_pid(sk->sk_peer_pid); - if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + const struct cred *old_cred; + struct pid *old_pid; + + spin_lock(&sk->sk_peer_lock); + old_pid = sk->sk_peer_pid; + old_cred = sk->sk_peer_cred; sk->sk_peer_pid = get_pid(task_tgid(current)); sk->sk_peer_cred = get_current_cred(); + spin_unlock(&sk->sk_peer_lock); + + put_pid(old_pid); + put_cred(old_cred); } static void copy_peercred(struct sock *sk, struct sock *peersk) { - put_pid(sk->sk_peer_pid); - if (sk->sk_peer_cred) - put_cred(sk->sk_peer_cred); + const struct cred *old_cred; + struct pid *old_pid; + + if (sk < peersk) { + spin_lock(&sk->sk_peer_lock); + spin_lock_nested(&peersk->sk_peer_lock, SINGLE_DEPTH_NESTING); + } else { + spin_lock(&peersk->sk_peer_lock); + spin_lock_nested(&sk->sk_peer_lock, SINGLE_DEPTH_NESTING); + } + old_pid = sk->sk_peer_pid; + old_cred = sk->sk_peer_cred; sk->sk_peer_pid = get_pid(peersk->sk_peer_pid); sk->sk_peer_cred = get_cred(peersk->sk_peer_cred); + + spin_unlock(&sk->sk_peer_lock); + spin_unlock(&peersk->sk_peer_lock); + + put_pid(old_pid); + put_cred(old_cred); } static int unix_listen(struct socket *sock, int backlog) @@ -828,20 +850,25 @@ struct proto unix_stream_proto = { static struct sock *unix_create1(struct net *net, struct socket *sock, int kern, int type) { - struct sock *sk = NULL; struct unix_sock *u; + struct sock *sk; + int err; atomic_long_inc(&unix_nr_socks); - if (atomic_long_read(&unix_nr_socks) > 2 * get_max_files()) - goto out; + if (atomic_long_read(&unix_nr_socks) > 2 * get_max_files()) { + err = -ENFILE; + goto err; + } if (type == SOCK_STREAM) sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_stream_proto, kern); else /*dgram and seqpacket */ sk = sk_alloc(net, PF_UNIX, GFP_KERNEL, &unix_dgram_proto, kern); - if (!sk) - goto out; + if (!sk) { + err = -ENOMEM; + goto err; + } sock_init_data(sock, sk); @@ -861,20 +888,23 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern, init_waitqueue_func_entry(&u->peer_wake, unix_dgram_peer_wake_relay); memset(&u->scm_stat, 0, sizeof(struct scm_stat)); unix_insert_socket(unix_sockets_unbound(sk), sk); -out: - if (sk == NULL) - atomic_long_dec(&unix_nr_socks); - else { - local_bh_disable(); - sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); - local_bh_enable(); - } + + local_bh_disable(); + sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); + local_bh_enable(); + return sk; + +err: + atomic_long_dec(&unix_nr_socks); + return ERR_PTR(err); } static int unix_create(struct net *net, struct socket *sock, int protocol, int kern) { + struct sock *sk; + if (protocol && protocol != PF_UNIX) return -EPROTONOSUPPORT; @@ -901,7 +931,11 @@ static int unix_create(struct net *net, struct socket *sock, int protocol, return -ESOCKTNOSUPPORT; } - return unix_create1(net, sock, kern, sock->type) ? 0 : -ENOMEM; + sk = unix_create1(net, sock, kern, sock->type); + if (IS_ERR(sk)) + return PTR_ERR(sk); + + return 0; } static int unix_release(struct socket *sock) @@ -1314,12 +1348,15 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, we will have to recheck all again in any case. */ - err = -ENOMEM; - /* create new sock for complete connection */ newsk = unix_create1(sock_net(sk), NULL, 0, sock->type); - if (newsk == NULL) + if (IS_ERR(newsk)) { + err = PTR_ERR(newsk); + newsk = NULL; goto out; + } + + err = -ENOMEM; /* Allocate skb for sending to listening sock */ skb = sock_wmalloc(newsk, 1, 0, GFP_KERNEL); @@ -2845,6 +2882,9 @@ static int unix_shutdown(struct socket *sock, int mode) unix_state_lock(sk); sk->sk_shutdown |= mode; + if ((sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) && + mode == SHUTDOWN_MASK) + sk->sk_state = TCP_CLOSE; other = unix_peer(sk); if (other) sock_hold(other); @@ -2867,12 +2907,10 @@ static int unix_shutdown(struct socket *sock, int mode) other->sk_shutdown |= peer_mode; unix_state_unlock(other); other->sk_state_change(other); - if (peer_mode == SHUTDOWN_MASK) { + if (peer_mode == SHUTDOWN_MASK) sk_wake_async(other, SOCK_WAKE_WAITD, POLL_HUP); - other->sk_state = TCP_CLOSE; - } else if (peer_mode & RCV_SHUTDOWN) { + else if (peer_mode & RCV_SHUTDOWN) sk_wake_async(other, SOCK_WAKE_WAITD, POLL_IN); - } } if (other) sock_put(other); @@ -3073,7 +3111,7 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock, other = unix_peer(sk); if (other && unix_peer(other) != sk && - unix_recvq_full(other) && + unix_recvq_full_lockless(other) && unix_dgram_peer_wake_me(sk, other)) writable = 0; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 03b66d154b2b..3a3cb09eec12 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1961,24 +1961,65 @@ static struct sk_buff *xfrm_policy_netlink(struct sk_buff *in_skb, return skb; } +static int xfrm_notify_userpolicy(struct net *net) +{ + struct xfrm_userpolicy_default *up; + int len = NLMSG_ALIGN(sizeof(*up)); + struct nlmsghdr *nlh; + struct sk_buff *skb; + int err; + + skb = nlmsg_new(len, GFP_ATOMIC); + if (skb == NULL) + return -ENOMEM; + + nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_GETDEFAULT, sizeof(*up), 0); + if (nlh == NULL) { + kfree_skb(skb); + return -EMSGSIZE; + } + + up = nlmsg_data(nlh); + up->in = net->xfrm.policy_default & XFRM_POL_DEFAULT_IN ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; + up->fwd = net->xfrm.policy_default & XFRM_POL_DEFAULT_FWD ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; + up->out = net->xfrm.policy_default & XFRM_POL_DEFAULT_OUT ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; + + nlmsg_end(skb, nlh); + + rcu_read_lock(); + err = xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_POLICY); + rcu_read_unlock(); + + return err; +} + static int xfrm_set_default(struct sk_buff *skb, struct nlmsghdr *nlh, struct nlattr **attrs) { struct net *net = sock_net(skb->sk); struct xfrm_userpolicy_default *up = nlmsg_data(nlh); - u8 dirmask; - u8 old_default = net->xfrm.policy_default; - if (up->dirmask >= XFRM_USERPOLICY_DIRMASK_MAX) - return -EINVAL; + if (up->in == XFRM_USERPOLICY_BLOCK) + net->xfrm.policy_default |= XFRM_POL_DEFAULT_IN; + else if (up->in == XFRM_USERPOLICY_ACCEPT) + net->xfrm.policy_default &= ~XFRM_POL_DEFAULT_IN; - dirmask = (1 << up->dirmask) & XFRM_POL_DEFAULT_MASK; + if (up->fwd == XFRM_USERPOLICY_BLOCK) + net->xfrm.policy_default |= XFRM_POL_DEFAULT_FWD; + else if (up->fwd == XFRM_USERPOLICY_ACCEPT) + net->xfrm.policy_default &= ~XFRM_POL_DEFAULT_FWD; - net->xfrm.policy_default = (old_default & (0xff ^ dirmask)) - | (up->action << up->dirmask); + if (up->out == XFRM_USERPOLICY_BLOCK) + net->xfrm.policy_default |= XFRM_POL_DEFAULT_OUT; + else if (up->out == XFRM_USERPOLICY_ACCEPT) + net->xfrm.policy_default &= ~XFRM_POL_DEFAULT_OUT; rt_genid_bump_all(net); + xfrm_notify_userpolicy(net); return 0; } @@ -1988,13 +2029,11 @@ static int xfrm_get_default(struct sk_buff *skb, struct nlmsghdr *nlh, struct sk_buff *r_skb; struct nlmsghdr *r_nlh; struct net *net = sock_net(skb->sk); - struct xfrm_userpolicy_default *r_up, *up; + struct xfrm_userpolicy_default *r_up; int len = NLMSG_ALIGN(sizeof(struct xfrm_userpolicy_default)); u32 portid = NETLINK_CB(skb).portid; u32 seq = nlh->nlmsg_seq; - up = nlmsg_data(nlh); - r_skb = nlmsg_new(len, GFP_ATOMIC); if (!r_skb) return -ENOMEM; @@ -2007,8 +2046,12 @@ static int xfrm_get_default(struct sk_buff *skb, struct nlmsghdr *nlh, r_up = nlmsg_data(r_nlh); - r_up->action = ((net->xfrm.policy_default & (1 << up->dirmask)) >> up->dirmask); - r_up->dirmask = up->dirmask; + r_up->in = net->xfrm.policy_default & XFRM_POL_DEFAULT_IN ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; + r_up->fwd = net->xfrm.policy_default & XFRM_POL_DEFAULT_FWD ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; + r_up->out = net->xfrm.policy_default & XFRM_POL_DEFAULT_OUT ? + XFRM_USERPOLICY_BLOCK : XFRM_USERPOLICY_ACCEPT; nlmsg_end(r_skb, r_nlh); return nlmsg_unicast(net->xfrm.nlsk, r_skb, portid); diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 4dc20be5fb96..5fd48a8d4f10 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -322,17 +322,11 @@ $(obj)/hbm_edt_kern.o: $(src)/hbm.h $(src)/hbm_kern.h -include $(BPF_SAMPLES_PATH)/Makefile.target -VMLINUX_BTF_PATHS ?= $(if $(O),$(O)/vmlinux) \ - $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux) \ - ../../../../vmlinux \ - /sys/kernel/btf/vmlinux \ - /boot/vmlinux-$(shell uname -r) +VMLINUX_BTF_PATHS ?= $(abspath $(if $(O),$(O)/vmlinux)) \ + $(abspath $(if $(KBUILD_OUTPUT),$(KBUILD_OUTPUT)/vmlinux)) \ + $(abspath ./vmlinux) VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS)))) -ifeq ($(VMLINUX_BTF),) -$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)") -endif - $(obj)/vmlinux.h: $(VMLINUX_BTF) $(BPFTOOL) ifeq ($(VMLINUX_H),) $(Q)$(BPFTOOL) btf dump file $(VMLINUX_BTF) format c > $@ @@ -340,6 +334,11 @@ else $(Q)cp "$(VMLINUX_H)" $@ endif +ifeq ($(VMLINUX_BTF),) + $(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)",\ + build the kernel or set VMLINUX_BTF variable) +endif + clean-files += vmlinux.h # Get Clang's default includes on this system, as opposed to those seen by diff --git a/samples/bpf/bpf_insn.h b/samples/bpf/bpf_insn.h index aee04534483a..29c3bb6ad1cd 100644 --- a/samples/bpf/bpf_insn.h +++ b/samples/bpf/bpf_insn.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* eBPF instruction mini library */ #ifndef __BPF_INSN_H #define __BPF_INSN_H diff --git a/samples/bpf/xdp_redirect_map_multi.bpf.c b/samples/bpf/xdp_redirect_map_multi.bpf.c index 8f59d430cb64..bb0a5a3bfcf0 100644 --- a/samples/bpf/xdp_redirect_map_multi.bpf.c +++ b/samples/bpf/xdp_redirect_map_multi.bpf.c @@ -5,11 +5,6 @@ #include "xdp_sample.bpf.h" #include "xdp_sample_shared.h" -enum { - BPF_F_BROADCAST = (1ULL << 3), - BPF_F_EXCLUDE_INGRESS = (1ULL << 4), -}; - struct { __uint(type, BPF_MAP_TYPE_DEVMAP_HASH); __uint(key_size, sizeof(int)); diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang index 4cce8fd0779c..51fc23e2e9e5 100644 --- a/scripts/Makefile.clang +++ b/scripts/Makefile.clang @@ -29,7 +29,12 @@ CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE)) else CLANG_FLAGS += -fintegrated-as endif +# By default, clang only warns when it encounters an unknown warning flag or +# certain optimization flags it knows it has not implemented. +# Make it behave more like gcc by erroring when these flags are encountered +# so they can be implemented or wrapped in cc-option. CLANG_FLAGS += -Werror=unknown-warning-option +CLANG_FLAGS += -Werror=ignored-optimization-argument KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_AFLAGS += $(CLANG_FLAGS) export CLANG_FLAGS diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan index 801c415bac59..b9e94c5e7097 100644 --- a/scripts/Makefile.kasan +++ b/scripts/Makefile.kasan @@ -33,10 +33,11 @@ else CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \ $(call cc-param,asan-globals=1) \ $(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \ - $(call cc-param,asan-stack=$(stack_enable)) \ $(call cc-param,asan-instrument-allocas=1) endif +CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable)) + endif # CONFIG_KASAN_GENERIC ifdef CONFIG_KASAN_SW_TAGS diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost index eef56d629799..48585c4d04ad 100644 --- a/scripts/Makefile.modpost +++ b/scripts/Makefile.modpost @@ -13,7 +13,7 @@ # Stage 2 is handled by this file and does the following # 1) Find all modules listed in modules.order # 2) modpost is then used to -# 3) create one <module>.mod.c file pr. module +# 3) create one <module>.mod.c file per module # 4) create one Module.symvers file with CRC for all exported symbols # Step 3 is used to place certain information in the module's ELF diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py index b9b0f15e5880..217d21abc86e 100755 --- a/scripts/checkkconfigsymbols.py +++ b/scripts/checkkconfigsymbols.py @@ -34,7 +34,6 @@ REGEX_SOURCE_SYMBOL = re.compile(SOURCE_SYMBOL) REGEX_KCONFIG_DEF = re.compile(DEF) REGEX_KCONFIG_EXPR = re.compile(EXPR) REGEX_KCONFIG_STMT = re.compile(STMT) -REGEX_KCONFIG_HELP = re.compile(r"^\s+help\s*$") REGEX_FILTER_SYMBOLS = re.compile(r"[A-Za-z0-9]$") REGEX_NUMERIC = re.compile(r"0[xX][0-9a-fA-F]+|[0-9]+") REGEX_QUOTES = re.compile("(\"(.*?)\")") @@ -102,6 +101,9 @@ def parse_options(): "continue.") if args.commit: + if args.commit.startswith('HEAD'): + sys.exit("The --commit option can't use the HEAD ref") + args.find = False if args.ignore: @@ -432,7 +434,6 @@ def parse_kconfig_file(kfile): lines = [] defined = [] references = [] - skip = False if not os.path.exists(kfile): return defined, references @@ -448,12 +449,6 @@ def parse_kconfig_file(kfile): if REGEX_KCONFIG_DEF.match(line): symbol_def = REGEX_KCONFIG_DEF.findall(line) defined.append(symbol_def[0]) - skip = False - elif REGEX_KCONFIG_HELP.match(line): - skip = True - elif skip: - # ignore content of help messages - pass elif REGEX_KCONFIG_STMT.match(line): line = REGEX_QUOTES.sub("", line) symbols = get_symbols_in_line(line) diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index fd9777f63f14..9dbab13329fa 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -82,10 +82,8 @@ cat << EOF #define __IGNORE_truncate64 #define __IGNORE_stat64 #define __IGNORE_lstat64 -#define __IGNORE_fstat64 #define __IGNORE_fcntl64 #define __IGNORE_fadvise64_64 -#define __IGNORE_fstatat64 #define __IGNORE_fstatfs64 #define __IGNORE_statfs64 #define __IGNORE_llseek @@ -253,6 +251,10 @@ cat << EOF #define __IGNORE_getpmsg #define __IGNORE_putpmsg #define __IGNORE_vserver + +/* 64-bit ports never needed these, and new 32-bit ports can use statx */ +#define __IGNORE_fstat64 +#define __IGNORE_fstatat64 EOF } diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py index 0033eedce003..1d1bde1fd45e 100755 --- a/scripts/clang-tools/gen_compile_commands.py +++ b/scripts/clang-tools/gen_compile_commands.py @@ -13,6 +13,7 @@ import logging import os import re import subprocess +import sys _DEFAULT_OUTPUT = 'compile_commands.json' _DEFAULT_LOG_LEVEL = 'WARNING' diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh index 319f92104f56..4edc708baa63 100755 --- a/scripts/min-tool-version.sh +++ b/scripts/min-tool-version.sh @@ -17,13 +17,7 @@ binutils) echo 2.23.0 ;; gcc) - # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293 - # https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk - if [ "$SRCARCH" = arm64 ]; then - echo 5.1.0 - else - echo 4.9.0 - fi + echo 5.1.0 ;; icc) # temporary diff --git a/scripts/sorttable.c b/scripts/sorttable.c index a9b3324cacf9..278bb53b325c 100644 --- a/scripts/sorttable.c +++ b/scripts/sorttable.c @@ -54,6 +54,10 @@ #define EM_ARCV2 195 #endif +#ifndef EM_RISCV +#define EM_RISCV 243 +#endif + static uint32_t (*r)(const uint32_t *); static uint16_t (*r2)(const uint16_t *); static uint64_t (*r8)(const uint64_t *); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 6517f221d52c..e7ebd45ca345 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2157,7 +2157,7 @@ static int selinux_ptrace_access_check(struct task_struct *child, static int selinux_ptrace_traceme(struct task_struct *parent) { return avc_has_perm(&selinux_state, - task_sid_subj(parent), task_sid_obj(current), + task_sid_obj(parent), task_sid_obj(current), SECCLASS_PROCESS, PROCESS__PTRACE, NULL); } @@ -6222,7 +6222,7 @@ static int selinux_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *m struct ipc_security_struct *isec; struct msg_security_struct *msec; struct common_audit_data ad; - u32 sid = task_sid_subj(target); + u32 sid = task_sid_obj(target); int rc; isec = selinux_ipc(msq); diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index d59276f48d4f..94ea2a8b2bb7 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -126,6 +126,8 @@ static const struct nlmsg_perm nlmsg_xfrm_perms[] = { XFRM_MSG_NEWSPDINFO, NETLINK_XFRM_SOCKET__NLMSG_WRITE }, { XFRM_MSG_GETSPDINFO, NETLINK_XFRM_SOCKET__NLMSG_READ }, { XFRM_MSG_MAPPING, NETLINK_XFRM_SOCKET__NLMSG_READ }, + { XFRM_MSG_SETDEFAULT, NETLINK_XFRM_SOCKET__NLMSG_WRITE }, + { XFRM_MSG_GETDEFAULT, NETLINK_XFRM_SOCKET__NLMSG_READ }, }; static const struct nlmsg_perm nlmsg_audit_perms[] = @@ -189,7 +191,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm) * structures at the top of this file with the new mappings * before updating the BUILD_BUG_ON() macro! */ - BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_MAPPING); + BUILD_BUG_ON(XFRM_MSG_MAX != XFRM_MSG_GETDEFAULT); err = nlmsg_perm(nlmsg_type, perm, nlmsg_xfrm_perms, sizeof(nlmsg_xfrm_perms)); break; diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index cacbe7518519..21a0e7c3b8de 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -2016,7 +2016,7 @@ static int smk_curacc_on_task(struct task_struct *p, int access, const char *caller) { struct smk_audit_info ad; - struct smack_known *skp = smk_of_task_struct_subj(p); + struct smack_known *skp = smk_of_task_struct_obj(p); int rc; smk_ad_init(&ad, caller, LSM_AUDIT_DATA_TASK); @@ -3480,7 +3480,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode) */ static int smack_getprocattr(struct task_struct *p, char *name, char **value) { - struct smack_known *skp = smk_of_task_struct_subj(p); + struct smack_known *skp = smk_of_task_struct_obj(p); char *cp; int slen; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 6c0a4a67ad2e..6f30231bdb88 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -873,12 +873,21 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long return -EINVAL; } } + case SNDRV_RAWMIDI_IOCTL_USER_PVERSION: + if (get_user(rfile->user_pversion, (unsigned int __user *)arg)) + return -EFAULT; + return 0; + case SNDRV_RAWMIDI_IOCTL_PARAMS: { struct snd_rawmidi_params params; if (copy_from_user(¶ms, argp, sizeof(struct snd_rawmidi_params))) return -EFAULT; + if (rfile->user_pversion < SNDRV_PROTOCOL_VERSION(2, 0, 2)) { + params.mode = 0; + memset(params.reserved, 0, sizeof(params.reserved)); + } switch (params.stream) { case SNDRV_RAWMIDI_STREAM_OUTPUT: if (rfile->output == NULL) diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c index ed40d0f7432c..773db4bf0876 100644 --- a/sound/drivers/pcsp/pcsp_lib.c +++ b/sound/drivers/pcsp/pcsp_lib.c @@ -143,7 +143,7 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle) if (pointer_update) pcsp_pointer_update(chip); - hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns)); + hrtimer_forward_now(handle, ns_to_ktime(ns)); return HRTIMER_RESTART; } diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c index 5388b85fb60e..a18c2c033e83 100644 --- a/sound/firewire/motu/amdtp-motu.c +++ b/sound/firewire/motu/amdtp-motu.c @@ -276,10 +276,11 @@ static void __maybe_unused copy_message(u64 *frames, __be32 *buffer, /* This is just for v2/v3 protocol. */ for (i = 0; i < data_blocks; ++i) { - *frames = (be32_to_cpu(buffer[1]) << 16) | - (be32_to_cpu(buffer[2]) >> 16); + *frames = be32_to_cpu(buffer[1]); + *frames <<= 16; + *frames |= be32_to_cpu(buffer[2]) >> 16; + ++frames; buffer += data_block_quadlets; - frames++; } } diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c index cb5b5e3a481b..daf731364695 100644 --- a/sound/firewire/oxfw/oxfw.c +++ b/sound/firewire/oxfw/oxfw.c @@ -184,13 +184,16 @@ static int detect_quirks(struct snd_oxfw *oxfw, const struct ieee1394_device_id model = val; } - /* - * Mackie Onyx Satellite with base station has a quirk to report a wrong - * value in 'dbs' field of CIP header against its format information. - */ - if (vendor == VENDOR_LOUD && model == MODEL_SATELLITE) + if (vendor == VENDOR_LOUD) { + // Mackie Onyx Satellite with base station has a quirk to report a wrong + // value in 'dbs' field of CIP header against its format information. oxfw->quirks |= SND_OXFW_QUIRK_WRONG_DBS; + // OXFW971-based models may transfer events by blocking method. + if (!(oxfw->quirks & SND_OXFW_QUIRK_JUMBO_PAYLOAD)) + oxfw->quirks |= SND_OXFW_QUIRK_BLOCKING_TRANSMISSION; + } + return 0; } diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 3aa432d814a2..47777439961c 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -883,10 +883,11 @@ static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) return azx_get_pos_posbuf(chip, azx_dev); } -static void azx_shutdown_chip(struct azx *chip) +static void __azx_shutdown_chip(struct azx *chip, bool skip_link_reset) { azx_stop_chip(chip); - azx_enter_link_reset(chip); + if (!skip_link_reset) + azx_enter_link_reset(chip); azx_clear_irq_pending(chip); display_power(chip, false); } @@ -895,6 +896,11 @@ static void azx_shutdown_chip(struct azx *chip) static DEFINE_MUTEX(card_list_lock); static LIST_HEAD(card_list); +static void azx_shutdown_chip(struct azx *chip) +{ + __azx_shutdown_chip(chip, false); +} + static void azx_add_card_list(struct azx *chip) { struct hda_intel *hda = container_of(chip, struct hda_intel, chip); @@ -2357,7 +2363,7 @@ static void azx_shutdown(struct pci_dev *pci) return; chip = card->private_data; if (chip && chip->running) - azx_shutdown_chip(chip); + __azx_shutdown_chip(chip, true); } /* PCI IDs */ diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 3c7ef55d016e..31ff11ab868e 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -1207,6 +1207,9 @@ void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int ac snd_hda_jack_add_kctl(codec, DOLPHIN_LO_PIN_NID, "Line Out", true, SND_JACK_HEADPHONE, NULL); + snd_hda_jack_add_kctl(codec, DOLPHIN_AMIC_PIN_NID, "Microphone", true, + SND_JACK_MICROPHONE, NULL); + cs8409_fix_caps(codec, DOLPHIN_HP_PIN_NID); cs8409_fix_caps(codec, DOLPHIN_LO_PIN_NID); cs8409_fix_caps(codec, DOLPHIN_AMIC_PIN_NID); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 8b7a389b6aed..4407f7da57c4 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6429,6 +6429,20 @@ static void alc_fixup_thinkpad_acpi(struct hda_codec *codec, hda_fixup_thinkpad_acpi(codec, fix, action); } +/* Fixup for Lenovo Legion 15IMHg05 speaker output on headset removal. */ +static void alc287_fixup_legion_15imhg05_speakers(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + struct alc_spec *spec = codec->spec; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + spec->gen.suppress_auto_mute = 1; + break; + } +} + /* for alc295_fixup_hp_top_speakers */ #include "hp_x360_helper.c" @@ -6646,6 +6660,10 @@ enum { ALC623_FIXUP_LENOVO_THINKSTATION_P340, ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, ALC236_FIXUP_HP_LIMIT_INT_MIC_BOOST, + ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS, + ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE, + ALC287_FIXUP_YOGA7_14ITL_SPEAKERS, + ALC287_FIXUP_13S_GEN2_SPEAKERS }; static const struct hda_fixup alc269_fixups[] = { @@ -8236,6 +8254,113 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF, }, + [ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS] = { + .type = HDA_FIXUP_VERBS, + //.v.verbs = legion_15imhg05_coefs, + .v.verbs = (const struct hda_verb[]) { + // set left speaker Legion 7i. + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x41 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xc }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x1a }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + // set right speaker Legion 7i. + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x42 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xc }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2a }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + {} + }, + .chained = true, + .chain_id = ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE, + }, + [ALC287_FIXUP_LEGION_15IMHG05_AUTOMUTE] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc287_fixup_legion_15imhg05_speakers, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE, + }, + [ALC287_FIXUP_YOGA7_14ITL_SPEAKERS] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + // set left speaker Yoga 7i. + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x41 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xc }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x1a }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + // set right speaker Yoga 7i. + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x46 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xc }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2a }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + {} + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE, + }, + [ALC287_FIXUP_13S_GEN2_SPEAKERS] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x41 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + { 0x20, AC_VERB_SET_COEF_INDEX, 0x24 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x42 }, + { 0x20, AC_VERB_SET_COEF_INDEX, 0x26 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x2 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0x0 }, + { 0x20, AC_VERB_SET_PROC_COEF, 0xb020 }, + {} + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -8630,6 +8755,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME), SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF), SND_PCI_QUIRK(0x17aa, 0x3843, "Yoga 9i", ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP), + SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS), + SND_PCI_QUIRK(0x17aa, 0x3852, "Lenovo Yoga 7 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), + SND_PCI_QUIRK(0x17aa, 0x3853, "Lenovo Yoga 7 15ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS), + SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS), SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI), SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC), SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI), diff --git a/sound/pci/pcxhr/pcxhr_core.c b/sound/pci/pcxhr/pcxhr_core.c index 87d24224c042..23f253effb4f 100644 --- a/sound/pci/pcxhr/pcxhr_core.c +++ b/sound/pci/pcxhr/pcxhr_core.c @@ -52,7 +52,7 @@ #define PCXHR_DSP 2 #if (PCXHR_DSP_OFFSET_MAX > PCXHR_PLX_OFFSET_MIN) -#undef PCXHR_REG_TO_PORT(x) +#error PCXHR_REG_TO_PORT(x) #else #define PCXHR_REG_TO_PORT(x) ((x)>PCXHR_DSP_OFFSET_MAX ? PCXHR_PLX : PCXHR_DSP) #endif diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index a961f837cd09..bda66b30e063 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -1073,6 +1073,16 @@ static int fsl_esai_probe(struct platform_device *pdev) if (ret < 0) goto err_pm_get_sync; + /* + * Register platform component before registering cpu dai for there + * is not defer probe for platform component in snd_soc_add_pcm_runtime(). + */ + ret = imx_pcm_dma_init(pdev, IMX_ESAI_DMABUF_SIZE); + if (ret) { + dev_err(&pdev->dev, "failed to init imx pcm dma: %d\n", ret); + goto err_pm_get_sync; + } + ret = devm_snd_soc_register_component(&pdev->dev, &fsl_esai_component, &fsl_esai_dai, 1); if (ret) { @@ -1082,12 +1092,6 @@ static int fsl_esai_probe(struct platform_device *pdev) INIT_WORK(&esai_priv->work, fsl_esai_hw_reset); - ret = imx_pcm_dma_init(pdev, IMX_ESAI_DMABUF_SIZE); - if (ret) { - dev_err(&pdev->dev, "failed to init imx pcm dma: %d\n", ret); - goto err_pm_get_sync; - } - return ret; err_pm_get_sync: diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 8c0c75ce9490..9f90989ac59a 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -737,18 +737,23 @@ static int fsl_micfil_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); regcache_cache_only(micfil->regmap, true); + /* + * Register platform component before registering cpu dai for there + * is not defer probe for platform component in snd_soc_add_pcm_runtime(). + */ + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) { + dev_err(&pdev->dev, "failed to pcm register\n"); + return ret; + } + ret = devm_snd_soc_register_component(&pdev->dev, &fsl_micfil_component, &fsl_micfil_dai, 1); if (ret) { dev_err(&pdev->dev, "failed to register component %s\n", fsl_micfil_component.name); - return ret; } - ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); - if (ret) - dev_err(&pdev->dev, "failed to pcm register\n"); - return ret; } diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 223fcd15bfcc..38f6362099d5 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -1152,11 +1152,10 @@ static int fsl_sai_probe(struct platform_device *pdev) if (ret < 0) goto err_pm_get_sync; - ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component, - &sai->cpu_dai_drv, 1); - if (ret) - goto err_pm_get_sync; - + /* + * Register platform component before registering cpu dai for there + * is not defer probe for platform component in snd_soc_add_pcm_runtime(). + */ if (sai->soc_data->use_imx_pcm) { ret = imx_pcm_dma_init(pdev, IMX_SAI_DMABUF_SIZE); if (ret) @@ -1167,6 +1166,11 @@ static int fsl_sai_probe(struct platform_device *pdev) goto err_pm_get_sync; } + ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component, + &sai->cpu_dai_drv, 1); + if (ret) + goto err_pm_get_sync; + return ret; err_pm_get_sync: diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 8ffb1a6048d6..1c53719bb61e 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -1434,16 +1434,20 @@ static int fsl_spdif_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); regcache_cache_only(spdif_priv->regmap, true); - ret = devm_snd_soc_register_component(&pdev->dev, &fsl_spdif_component, - &spdif_priv->cpu_dai_drv, 1); + /* + * Register platform component before registering cpu dai for there + * is not defer probe for platform component in snd_soc_add_pcm_runtime(). + */ + ret = imx_pcm_dma_init(pdev, IMX_SPDIF_DMABUF_SIZE); if (ret) { - dev_err(&pdev->dev, "failed to register DAI: %d\n", ret); + dev_err_probe(&pdev->dev, ret, "imx_pcm_dma_init failed\n"); goto err_pm_disable; } - ret = imx_pcm_dma_init(pdev, IMX_SPDIF_DMABUF_SIZE); + ret = devm_snd_soc_register_component(&pdev->dev, &fsl_spdif_component, + &spdif_priv->cpu_dai_drv, 1); if (ret) { - dev_err_probe(&pdev->dev, ret, "imx_pcm_dma_init failed\n"); + dev_err(&pdev->dev, "failed to register DAI: %d\n", ret); goto err_pm_disable; } diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c index 31c5ee641fe7..7ba2fd15132d 100644 --- a/sound/soc/fsl/fsl_xcvr.c +++ b/sound/soc/fsl/fsl_xcvr.c @@ -1215,18 +1215,23 @@ static int fsl_xcvr_probe(struct platform_device *pdev) pm_runtime_enable(dev); regcache_cache_only(xcvr->regmap, true); + /* + * Register platform component before registering cpu dai for there + * is not defer probe for platform component in snd_soc_add_pcm_runtime(). + */ + ret = devm_snd_dmaengine_pcm_register(dev, NULL, 0); + if (ret) { + dev_err(dev, "failed to pcm register\n"); + return ret; + } + ret = devm_snd_soc_register_component(dev, &fsl_xcvr_comp, &fsl_xcvr_dai, 1); if (ret) { dev_err(dev, "failed to register component %s\n", fsl_xcvr_comp.name); - return ret; } - ret = devm_snd_dmaengine_pcm_register(dev, NULL, 0); - if (ret) - dev_err(dev, "failed to pcm register\n"); - return ret; } diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 6602eda89e8e..6b06248a9327 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -929,6 +929,11 @@ static int create_sdw_dailink(struct snd_soc_card *card, cpus + *cpu_id, cpu_dai_num, codecs, codec_num, NULL, &sdw_ops); + /* + * SoundWire DAILINKs use 'stream' functions and Bank Switch operations + * based on wait_for_completion(), tag them as 'nonatomic'. + */ + dai_links[*be_index].nonatomic = true; ret = set_codec_init_func(card, link, dai_links + (*be_index)++, playback, group_id); diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index 5a2f4667d50b..81ad2dcee9eb 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config SND_SOC_MEDIATEK tristate + select REGMAP_MMIO config SND_SOC_MT2701 tristate "ASoC support for Mediatek MT2701 chip" @@ -188,7 +189,9 @@ config SND_SOC_MT8192_MT6359_RT1015_RT5682 config SND_SOC_MT8195 tristate "ASoC support for Mediatek MT8195 chip" depends on ARCH_MEDIATEK || COMPILE_TEST + depends on COMMON_CLK select SND_SOC_MEDIATEK + select MFD_SYSCON if SND_SOC_MT6359 help This adds ASoC platform driver support for Mediatek MT8195 chip that can be used with other codecs. diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c index baaa5881b1d4..e95c7c018e7d 100644 --- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c +++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c @@ -334,9 +334,11 @@ int mtk_afe_suspend(struct snd_soc_component *component) devm_kcalloc(dev, afe->reg_back_up_list_num, sizeof(unsigned int), GFP_KERNEL); - for (i = 0; i < afe->reg_back_up_list_num; i++) - regmap_read(regmap, afe->reg_back_up_list[i], - &afe->reg_back_up[i]); + if (afe->reg_back_up) { + for (i = 0; i < afe->reg_back_up_list_num; i++) + regmap_read(regmap, afe->reg_back_up_list[i], + &afe->reg_back_up[i]); + } afe->suspended = true; afe->runtime_suspend(dev); @@ -356,12 +358,13 @@ int mtk_afe_resume(struct snd_soc_component *component) afe->runtime_resume(dev); - if (!afe->reg_back_up) + if (!afe->reg_back_up) { dev_dbg(dev, "%s no reg_backup\n", __func__); - - for (i = 0; i < afe->reg_back_up_list_num; i++) - mtk_regmap_write(regmap, afe->reg_back_up_list[i], - afe->reg_back_up[i]); + } else { + for (i = 0; i < afe->reg_back_up_list_num; i++) + mtk_regmap_write(regmap, afe->reg_back_up_list[i], + afe->reg_back_up[i]); + } afe->suspended = false; return 0; diff --git a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c index c97ace7387b4..de09f67c0450 100644 --- a/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c +++ b/sound/soc/mediatek/mt8195/mt8195-mt6359-rt1019-rt5682.c @@ -424,8 +424,8 @@ static int mt8195_hdmi_codec_init(struct snd_soc_pcm_runtime *rtd) return snd_soc_component_set_jack(cmpnt_codec, &priv->hdmi_jack, NULL); } -static int mt8195_hdmitx_dptx_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, - struct snd_pcm_hw_params *params) +static int mt8195_dptx_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) { /* fix BE i2s format to 32bit, clean param mask first */ @@ -902,7 +902,7 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1019_rt5682_dai_links[] = { .no_pcm = 1, .dpcm_playback = 1, .ops = &mt8195_dptx_ops, - .be_hw_params_fixup = mt8195_hdmitx_dptx_hw_params_fixup, + .be_hw_params_fixup = mt8195_dptx_hw_params_fixup, SND_SOC_DAILINK_REG(DPTX_BE), }, [DAI_LINK_ETDM1_IN_BE] = { @@ -953,7 +953,6 @@ static struct snd_soc_dai_link mt8195_mt6359_rt1019_rt5682_dai_links[] = { SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .dpcm_playback = 1, - .be_hw_params_fixup = mt8195_hdmitx_dptx_hw_params_fixup, SND_SOC_DAILINK_REG(ETDM3_OUT_BE), }, [DAI_LINK_PCM1_BE] = { diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 3e4dd4a86363..59d0d7b2b55c 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -371,7 +371,6 @@ int snd_sof_device_remove(struct device *dev) dev_warn(dev, "error: %d failed to prepare DSP for device removal", ret); - snd_sof_fw_unload(sdev); snd_sof_ipc_free(sdev); snd_sof_free_debug(sdev); snd_sof_free_trace(sdev); @@ -394,8 +393,7 @@ int snd_sof_device_remove(struct device *dev) snd_sof_remove(sdev); /* release firmware */ - release_firmware(pdata->fw); - pdata->fw = NULL; + snd_sof_fw_unload(sdev); return 0; } diff --git a/sound/soc/sof/imx/imx8.c b/sound/soc/sof/imx/imx8.c index 12fedf0984bd..7e9723a10d02 100644 --- a/sound/soc/sof/imx/imx8.c +++ b/sound/soc/sof/imx/imx8.c @@ -365,7 +365,14 @@ static int imx8_remove(struct snd_sof_dev *sdev) /* on i.MX8 there is 1 to 1 match between type and BAR idx */ static int imx8_get_bar_index(struct snd_sof_dev *sdev, u32 type) { - return type; + /* Only IRAM and SRAM bars are valid */ + switch (type) { + case SOF_FW_BLK_TYPE_IRAM: + case SOF_FW_BLK_TYPE_SRAM: + return type; + default: + return -EINVAL; + } } static void imx8_ipc_msg_data(struct snd_sof_dev *sdev, diff --git a/sound/soc/sof/imx/imx8m.c b/sound/soc/sof/imx/imx8m.c index cb822d953767..892e1482f97f 100644 --- a/sound/soc/sof/imx/imx8m.c +++ b/sound/soc/sof/imx/imx8m.c @@ -228,7 +228,14 @@ static int imx8m_remove(struct snd_sof_dev *sdev) /* on i.MX8 there is 1 to 1 match between type and BAR idx */ static int imx8m_get_bar_index(struct snd_sof_dev *sdev, u32 type) { - return type; + /* Only IRAM and SRAM bars are valid */ + switch (type) { + case SOF_FW_BLK_TYPE_IRAM: + case SOF_FW_BLK_TYPE_SRAM: + return type; + default: + return -EINVAL; + } } static void imx8m_ipc_msg_data(struct snd_sof_dev *sdev, diff --git a/sound/soc/sof/loader.c b/sound/soc/sof/loader.c index 2b38a77cd594..bb79c77775b3 100644 --- a/sound/soc/sof/loader.c +++ b/sound/soc/sof/loader.c @@ -729,10 +729,10 @@ int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev) ret = request_firmware(&plat_data->fw, fw_filename, sdev->dev); if (ret < 0) { - dev_err(sdev->dev, "error: request firmware %s failed err: %d\n", - fw_filename, ret); dev_err(sdev->dev, - "you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n"); + "error: sof firmware file is missing, you might need to\n"); + dev_err(sdev->dev, + " download it from https://github.com/thesofproject/sof-bin/\n"); goto err; } else { dev_dbg(sdev->dev, "request_firmware %s successful\n", @@ -880,5 +880,7 @@ EXPORT_SYMBOL(snd_sof_run_firmware); void snd_sof_fw_unload(struct snd_sof_dev *sdev) { /* TODO: support module unloading at runtime */ + release_firmware(sdev->pdata->fw); + sdev->pdata->fw = NULL; } EXPORT_SYMBOL(snd_sof_fw_unload); diff --git a/sound/soc/sof/trace.c b/sound/soc/sof/trace.c index f72a6e83e6af..58f6ca5cf491 100644 --- a/sound/soc/sof/trace.c +++ b/sound/soc/sof/trace.c @@ -530,7 +530,6 @@ void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev) return; if (sdev->dtrace_is_enabled) { - dev_err(sdev->dev, "error: waking up any trace sleepers\n"); sdev->dtrace_error = true; wake_up(&sdev->trace_sleep); } diff --git a/sound/soc/sof/xtensa/core.c b/sound/soc/sof/xtensa/core.c index bbb9a2282ed9..f6e3411b33cf 100644 --- a/sound/soc/sof/xtensa/core.c +++ b/sound/soc/sof/xtensa/core.c @@ -122,9 +122,9 @@ static void xtensa_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack, * 0x0049fbb0: 8000f2d0 0049fc00 6f6c6c61 00632e63 */ for (i = 0; i < stack_words; i += 4) { - hex_dump_to_buffer(stack + i * 4, 16, 16, 4, + hex_dump_to_buffer(stack + i, 16, 16, 4, buf, sizeof(buf), false); - dev_err(sdev->dev, "0x%08x: %s\n", stack_ptr + i, buf); + dev_err(sdev->dev, "0x%08x: %s\n", stack_ptr + i * 4, buf); } } diff --git a/sound/usb/card.c b/sound/usb/card.c index fd570a42f043..1764b9302d46 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -1054,7 +1054,7 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) return 0; } -static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume) +static int usb_audio_resume(struct usb_interface *intf) { struct snd_usb_audio *chip = usb_get_intfdata(intf); struct snd_usb_stream *as; @@ -1080,7 +1080,7 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume) * we just notify and restart the mixers */ list_for_each_entry(mixer, &chip->mixer_list, list) { - err = snd_usb_mixer_resume(mixer, reset_resume); + err = snd_usb_mixer_resume(mixer); if (err < 0) goto err_out; } @@ -1100,20 +1100,10 @@ err_out: atomic_dec(&chip->active); /* allow autopm after this point */ return err; } - -static int usb_audio_resume(struct usb_interface *intf) -{ - return __usb_audio_resume(intf, false); -} - -static int usb_audio_reset_resume(struct usb_interface *intf) -{ - return __usb_audio_resume(intf, true); -} #else #define usb_audio_suspend NULL #define usb_audio_resume NULL -#define usb_audio_reset_resume NULL +#define usb_audio_resume NULL #endif /* CONFIG_PM */ static const struct usb_device_id usb_audio_ids [] = { @@ -1135,7 +1125,7 @@ static struct usb_driver usb_audio_driver = { .disconnect = usb_audio_disconnect, .suspend = usb_audio_suspend, .resume = usb_audio_resume, - .reset_resume = usb_audio_reset_resume, + .reset_resume = usb_audio_resume, .id_table = usb_audio_ids, .supports_autosuspend = 1, }; diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 43bc59575a6e..a2ce535df14b 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -3653,33 +3653,16 @@ static int restore_mixer_value(struct usb_mixer_elem_list *list) return 0; } -static int default_mixer_reset_resume(struct usb_mixer_elem_list *list) -{ - int err; - - if (list->resume) { - err = list->resume(list); - if (err < 0) - return err; - } - return restore_mixer_value(list); -} - -int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) +int snd_usb_mixer_resume(struct usb_mixer_interface *mixer) { struct usb_mixer_elem_list *list; - usb_mixer_elem_resume_func_t f; int id, err; /* restore cached mixer values */ for (id = 0; id < MAX_ID_ELEMS; id++) { for_each_mixer_elem(list, mixer, id) { - if (reset_resume) - f = list->reset_resume; - else - f = list->resume; - if (f) { - err = f(list); + if (list->resume) { + err = list->resume(list); if (err < 0) return err; } @@ -3700,7 +3683,6 @@ void snd_usb_mixer_elem_init_std(struct usb_mixer_elem_list *list, list->id = unitid; list->dump = snd_usb_mixer_dump_cval; #ifdef CONFIG_PM - list->resume = NULL; - list->reset_resume = default_mixer_reset_resume; + list->resume = restore_mixer_value; #endif } diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 876bbc9a71ad..98ea24d91d80 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -70,7 +70,6 @@ struct usb_mixer_elem_list { bool is_std_info; usb_mixer_elem_dump_func_t dump; usb_mixer_elem_resume_func_t resume; - usb_mixer_elem_resume_func_t reset_resume; }; /* iterate over mixer element list of the given unit id */ @@ -121,7 +120,7 @@ int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, #ifdef CONFIG_PM int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer); -int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume); +int snd_usb_mixer_resume(struct usb_mixer_interface *mixer); #endif int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index a66ce0375fd9..46082dc57be0 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -151,7 +151,7 @@ static int add_single_ctl_with_resume(struct usb_mixer_interface *mixer, *listp = list; list->mixer = mixer; list->id = id; - list->reset_resume = resume; + list->resume = resume; kctl = snd_ctl_new1(knew, list); if (!kctl) { kfree(list); diff --git a/tools/arch/x86/include/asm/unistd_32.h b/tools/arch/x86/include/uapi/asm/unistd_32.h index 60a89dba01b6..60a89dba01b6 100644 --- a/tools/arch/x86/include/asm/unistd_32.h +++ b/tools/arch/x86/include/uapi/asm/unistd_32.h diff --git a/tools/arch/x86/include/asm/unistd_64.h b/tools/arch/x86/include/uapi/asm/unistd_64.h index 4205ed4158bf..cb52a3a8b8fc 100644 --- a/tools/arch/x86/include/asm/unistd_64.h +++ b/tools/arch/x86/include/uapi/asm/unistd_64.h @@ -1,7 +1,4 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __NR_userfaultfd -#define __NR_userfaultfd 282 -#endif #ifndef __NR_perf_event_open # define __NR_perf_event_open 298 #endif diff --git a/tools/arch/x86/lib/insn.c b/tools/arch/x86/lib/insn.c index c41f95815480..797699462cd8 100644 --- a/tools/arch/x86/lib/insn.c +++ b/tools/arch/x86/lib/insn.c @@ -37,10 +37,10 @@ ((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr) #define __get_next(t, insn) \ - ({ t r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); leXX_to_cpu(t, r); }) + ({ t r; memcpy(&r, insn->next_byte, sizeof(t)); insn->next_byte += sizeof(t); leXX_to_cpu(t, r); }) #define __peek_nbyte_next(t, insn, n) \ - ({ t r = *(t*)((insn)->next_byte + n); leXX_to_cpu(t, r); }) + ({ t r; memcpy(&r, (insn)->next_byte + n, sizeof(t)); leXX_to_cpu(t, r); }) #define get_next(t, insn) \ ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) diff --git a/tools/bootconfig/include/linux/memblock.h b/tools/bootconfig/include/linux/memblock.h index 7862f217d85d..f2e506f7d57f 100644 --- a/tools/bootconfig/include/linux/memblock.h +++ b/tools/bootconfig/include/linux/memblock.h @@ -4,9 +4,8 @@ #include <stdlib.h> -#define __pa(addr) (addr) #define SMP_CACHE_BYTES 0 #define memblock_alloc(size, align) malloc(size) -#define memblock_free(paddr, size) free(paddr) +#define memblock_free_ptr(paddr, size) free(paddr) #endif diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index 95c072b70d0e..8816f06fc6c7 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -16,9 +16,9 @@ # define __fallthrough __attribute__ ((fallthrough)) #endif -#if GCC_VERSION >= 40300 +#if __has_attribute(__error__) # define __compiletime_error(message) __attribute__((error(message))) -#endif /* GCC_VERSION >= 40300 */ +#endif /* &a[0] degrades to a pointer: a different type from an array */ #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) @@ -38,7 +38,3 @@ #endif #define __printf(a, b) __attribute__((format(printf, a, b))) #define __scanf(a, b) __attribute__((format(scanf, a, b))) - -#if GCC_VERSION >= 50100 -#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 -#endif diff --git a/tools/include/linux/overflow.h b/tools/include/linux/overflow.h index 8712ff70995f..dcb0c1bf6866 100644 --- a/tools/include/linux/overflow.h +++ b/tools/include/linux/overflow.h @@ -5,12 +5,9 @@ #include <linux/compiler.h> /* - * In the fallback code below, we need to compute the minimum and - * maximum values representable in a given type. These macros may also - * be useful elsewhere, so we provide them outside the - * COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW block. - * - * It would seem more obvious to do something like + * We need to compute the minimum and maximum values representable in a given + * type. These macros may also be useful elsewhere. It would seem more obvious + * to do something like: * * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0) * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0) @@ -36,8 +33,6 @@ #define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T))) #define type_min(T) ((T)((T)-type_max(T)-(T)1)) - -#ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW /* * For simplicity and code hygiene, the fallback code below insists on * a, b and *d having the same type (similar to the min() and max() @@ -73,135 +68,6 @@ __builtin_mul_overflow(__a, __b, __d); \ }) -#else - - -/* Checking for unsigned overflow is relatively easy without causing UB. */ -#define __unsigned_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a + __b; \ - *__d < __a; \ -}) -#define __unsigned_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a - __b; \ - __a < __b; \ -}) -/* - * If one of a or b is a compile-time constant, this avoids a division. - */ -#define __unsigned_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a * __b; \ - __builtin_constant_p(__b) ? \ - __b > 0 && __a > type_max(typeof(__a)) / __b : \ - __a > 0 && __b > type_max(typeof(__b)) / __a; \ -}) - -/* - * For signed types, detecting overflow is much harder, especially if - * we want to avoid UB. But the interface of these macros is such that - * we must provide a result in *d, and in fact we must produce the - * result promised by gcc's builtins, which is simply the possibly - * wrapped-around value. Fortunately, we can just formally do the - * operations in the widest relevant unsigned type (u64) and then - * truncate the result - gcc is smart enough to generate the same code - * with and without the (u64) casts. - */ - -/* - * Adding two signed integers can overflow only if they have the same - * sign, and overflow has happened iff the result has the opposite - * sign. - */ -#define __signed_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a + (u64)__b; \ - (((~(__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Subtraction is similar, except that overflow can now happen only - * when the signs are opposite. In this case, overflow has happened if - * the result has the opposite sign of a. - */ -#define __signed_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a - (u64)__b; \ - ((((__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Signed multiplication is rather hard. gcc always follows C99, so - * division is truncated towards 0. This means that we can write the - * overflow check like this: - * - * (a > 0 && (b > MAX/a || b < MIN/a)) || - * (a < -1 && (b > MIN/a || b < MAX/a) || - * (a == -1 && b == MIN) - * - * The redundant casts of -1 are to silence an annoying -Wtype-limits - * (included in -Wextra) warning: When the type is u8 or u16, the - * __b_c_e in check_mul_overflow obviously selects - * __unsigned_mul_overflow, but unfortunately gcc still parses this - * code and warns about the limited range of __b. - */ - -#define __signed_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - typeof(a) __tmax = type_max(typeof(a)); \ - typeof(a) __tmin = type_min(typeof(a)); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a * (u64)__b; \ - (__b > 0 && (__a > __tmax/__b || __a < __tmin/__b)) || \ - (__b < (typeof(__b))-1 && (__a > __tmin/__b || __a < __tmax/__b)) || \ - (__b == (typeof(__b))-1 && __a == __tmin); \ -}) - - -#define check_add_overflow(a, b, d) \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_add_overflow(a, b, d), \ - __unsigned_add_overflow(a, b, d)) - -#define check_sub_overflow(a, b, d) \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_sub_overflow(a, b, d), \ - __unsigned_sub_overflow(a, b, d)) - -#define check_mul_overflow(a, b, d) \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_mul_overflow(a, b, d), \ - __unsigned_mul_overflow(a, b, d)) - - -#endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */ - /** * array_size() - Calculate size of 2-dimensional array. * diff --git a/tools/include/uapi/sound/asound.h b/tools/include/uapi/sound/asound.h index 1d84ec9db93b..5859ca0a1439 100644 --- a/tools/include/uapi/sound/asound.h +++ b/tools/include/uapi/sound/asound.h @@ -784,6 +784,7 @@ struct snd_rawmidi_status { #define SNDRV_RAWMIDI_IOCTL_PVERSION _IOR('W', 0x00, int) #define SNDRV_RAWMIDI_IOCTL_INFO _IOR('W', 0x01, struct snd_rawmidi_info) +#define SNDRV_RAWMIDI_IOCTL_USER_PVERSION _IOW('W', 0x02, int) #define SNDRV_RAWMIDI_IOCTL_PARAMS _IOWR('W', 0x10, struct snd_rawmidi_params) #define SNDRV_RAWMIDI_IOCTL_STATUS _IOWR('W', 0x20, struct snd_rawmidi_status) #define SNDRV_RAWMIDI_IOCTL_DROP _IOW('W', 0x30, int) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 88d8825fc6f6..e4f83c304ec9 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -6894,7 +6894,8 @@ int bpf_object__load_xattr(struct bpf_object_load_attr *attr) if (obj->gen_loader) { /* reset FDs */ - btf__set_fd(obj->btf, -1); + if (obj->btf) + btf__set_fd(obj->btf, -1); for (i = 0; i < obj->nr_maps; i++) obj->maps[i].fd = -1; if (!err) diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c index 10911a8cad0f..2df880cefdae 100644 --- a/tools/lib/bpf/linker.c +++ b/tools/lib/bpf/linker.c @@ -1649,11 +1649,17 @@ static bool btf_is_non_static(const struct btf_type *t) static int find_glob_sym_btf(struct src_obj *obj, Elf64_Sym *sym, const char *sym_name, int *out_btf_sec_id, int *out_btf_id) { - int i, j, n = btf__get_nr_types(obj->btf), m, btf_id = 0; + int i, j, n, m, btf_id = 0; const struct btf_type *t; const struct btf_var_secinfo *vi; const char *name; + if (!obj->btf) { + pr_warn("failed to find BTF info for object '%s'\n", obj->filename); + return -EINVAL; + } + + n = btf__get_nr_types(obj->btf); for (i = 1; i <= n; i++) { t = btf__type_by_id(obj->btf, i); diff --git a/tools/lib/bpf/strset.c b/tools/lib/bpf/strset.c index 1fb8b49de1d6..ea655318153f 100644 --- a/tools/lib/bpf/strset.c +++ b/tools/lib/bpf/strset.c @@ -88,6 +88,7 @@ void strset__free(struct strset *set) hashmap__free(set->strs_hash); free(set->strs_data); + free(set); } size_t strset__data_size(const struct strset *set) diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c index d8886720e83d..8441e3e1aaac 100644 --- a/tools/lib/perf/evsel.c +++ b/tools/lib/perf/evsel.c @@ -43,7 +43,7 @@ void perf_evsel__delete(struct perf_evsel *evsel) free(evsel); } -#define FD(e, x, y) (*(int *) xyarray__entry(e->fd, x, y)) +#define FD(e, x, y) ((int *) xyarray__entry(e->fd, x, y)) #define MMAP(e, x, y) (e->mmap ? ((struct perf_mmap *) xyarray__entry(e->mmap, x, y)) : NULL) int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) @@ -54,7 +54,10 @@ int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) int cpu, thread; for (cpu = 0; cpu < ncpus; cpu++) { for (thread = 0; thread < nthreads; thread++) { - FD(evsel, cpu, thread) = -1; + int *fd = FD(evsel, cpu, thread); + + if (fd) + *fd = -1; } } } @@ -80,7 +83,7 @@ sys_perf_event_open(struct perf_event_attr *attr, static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread, int *group_fd) { struct perf_evsel *leader = evsel->leader; - int fd; + int *fd; if (evsel == leader) { *group_fd = -1; @@ -95,10 +98,10 @@ static int get_group_fd(struct perf_evsel *evsel, int cpu, int thread, int *grou return -ENOTCONN; fd = FD(leader, cpu, thread); - if (fd == -1) + if (fd == NULL || *fd == -1) return -EBADF; - *group_fd = fd; + *group_fd = *fd; return 0; } @@ -138,7 +141,11 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, for (cpu = 0; cpu < cpus->nr; cpu++) { for (thread = 0; thread < threads->nr; thread++) { - int fd, group_fd; + int fd, group_fd, *evsel_fd; + + evsel_fd = FD(evsel, cpu, thread); + if (evsel_fd == NULL) + return -EINVAL; err = get_group_fd(evsel, cpu, thread, &group_fd); if (err < 0) @@ -151,7 +158,7 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, if (fd < 0) return -errno; - FD(evsel, cpu, thread) = fd; + *evsel_fd = fd; } } @@ -163,9 +170,12 @@ static void perf_evsel__close_fd_cpu(struct perf_evsel *evsel, int cpu) int thread; for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) { - if (FD(evsel, cpu, thread) >= 0) - close(FD(evsel, cpu, thread)); - FD(evsel, cpu, thread) = -1; + int *fd = FD(evsel, cpu, thread); + + if (fd && *fd >= 0) { + close(*fd); + *fd = -1; + } } } @@ -209,13 +219,12 @@ void perf_evsel__munmap(struct perf_evsel *evsel) for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) { for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) { - int fd = FD(evsel, cpu, thread); - struct perf_mmap *map = MMAP(evsel, cpu, thread); + int *fd = FD(evsel, cpu, thread); - if (fd < 0) + if (fd == NULL || *fd < 0) continue; - perf_mmap__munmap(map); + perf_mmap__munmap(MMAP(evsel, cpu, thread)); } } @@ -239,15 +248,16 @@ int perf_evsel__mmap(struct perf_evsel *evsel, int pages) for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) { for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) { - int fd = FD(evsel, cpu, thread); - struct perf_mmap *map = MMAP(evsel, cpu, thread); + int *fd = FD(evsel, cpu, thread); + struct perf_mmap *map; - if (fd < 0) + if (fd == NULL || *fd < 0) continue; + map = MMAP(evsel, cpu, thread); perf_mmap__init(map, NULL, false, NULL); - ret = perf_mmap__mmap(map, &mp, fd, cpu); + ret = perf_mmap__mmap(map, &mp, *fd, cpu); if (ret) { perf_evsel__munmap(evsel); return ret; @@ -260,7 +270,9 @@ int perf_evsel__mmap(struct perf_evsel *evsel, int pages) void *perf_evsel__mmap_base(struct perf_evsel *evsel, int cpu, int thread) { - if (FD(evsel, cpu, thread) < 0 || MMAP(evsel, cpu, thread) == NULL) + int *fd = FD(evsel, cpu, thread); + + if (fd == NULL || *fd < 0 || MMAP(evsel, cpu, thread) == NULL) return NULL; return MMAP(evsel, cpu, thread)->base; @@ -295,17 +307,18 @@ int perf_evsel__read(struct perf_evsel *evsel, int cpu, int thread, struct perf_counts_values *count) { size_t size = perf_evsel__read_size(evsel); + int *fd = FD(evsel, cpu, thread); memset(count, 0, sizeof(*count)); - if (FD(evsel, cpu, thread) < 0) + if (fd == NULL || *fd < 0) return -EINVAL; if (MMAP(evsel, cpu, thread) && !perf_mmap__read_self(MMAP(evsel, cpu, thread), count)) return 0; - if (readn(FD(evsel, cpu, thread), count->values, size) <= 0) + if (readn(*fd, count->values, size) <= 0) return -errno; return 0; @@ -318,8 +331,13 @@ static int perf_evsel__run_ioctl(struct perf_evsel *evsel, int thread; for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) { - int fd = FD(evsel, cpu, thread), - err = ioctl(fd, ioc, arg); + int err; + int *fd = FD(evsel, cpu, thread); + + if (fd == NULL || *fd < 0) + return -1; + + err = ioctl(*fd, ioc, arg); if (err) return err; diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index bc821056aba9..0893436cc09f 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -684,7 +684,7 @@ static int elf_add_alternative(struct elf *elf, sec = find_section_by_name(elf, ".altinstructions"); if (!sec) { sec = elf_create_section(elf, ".altinstructions", - SHF_ALLOC, size, 0); + SHF_ALLOC, 0, 0); if (!sec) { WARN_ELF("elf_create_section"); diff --git a/tools/objtool/check.c b/tools/objtool/check.c index e5947fbb9e7a..06b5c164ae93 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -292,7 +292,7 @@ static int decode_instructions(struct objtool_file *file) !strcmp(sec->name, ".entry.text")) sec->noinstr = true; - for (offset = 0; offset < sec->len; offset += insn->len) { + for (offset = 0; offset < sec->sh.sh_size; offset += insn->len) { insn = malloc(sizeof(*insn)); if (!insn) { WARN("malloc failed"); @@ -307,7 +307,7 @@ static int decode_instructions(struct objtool_file *file) insn->offset = offset; ret = arch_decode_instruction(file->elf, sec, offset, - sec->len - offset, + sec->sh.sh_size - offset, &insn->len, &insn->type, &insn->immediate, &insn->stack_ops); @@ -349,9 +349,9 @@ static struct instruction *find_last_insn(struct objtool_file *file, { struct instruction *insn = NULL; unsigned int offset; - unsigned int end = (sec->len > 10) ? sec->len - 10 : 0; + unsigned int end = (sec->sh.sh_size > 10) ? sec->sh.sh_size - 10 : 0; - for (offset = sec->len - 1; offset >= end && !insn; offset--) + for (offset = sec->sh.sh_size - 1; offset >= end && !insn; offset--) insn = find_insn(file, sec, offset); return insn; @@ -389,7 +389,7 @@ static int add_dead_ends(struct objtool_file *file) insn = find_insn(file, reloc->sym->sec, reloc->addend); if (insn) insn = list_prev_entry(insn, list); - else if (reloc->addend == reloc->sym->sec->len) { + else if (reloc->addend == reloc->sym->sec->sh.sh_size) { insn = find_last_insn(file, reloc->sym->sec); if (!insn) { WARN("can't find unreachable insn at %s+0x%x", @@ -424,7 +424,7 @@ reachable: insn = find_insn(file, reloc->sym->sec, reloc->addend); if (insn) insn = list_prev_entry(insn, list); - else if (reloc->addend == reloc->sym->sec->len) { + else if (reloc->addend == reloc->sym->sec->sh.sh_size) { insn = find_last_insn(file, reloc->sym->sec); if (!insn) { WARN("can't find reachable insn at %s+0x%x", @@ -1561,14 +1561,14 @@ static int read_unwind_hints(struct objtool_file *file) return -1; } - if (sec->len % sizeof(struct unwind_hint)) { + if (sec->sh.sh_size % sizeof(struct unwind_hint)) { WARN("struct unwind_hint size mismatch"); return -1; } file->hints = true; - for (i = 0; i < sec->len / sizeof(struct unwind_hint); i++) { + for (i = 0; i < sec->sh.sh_size / sizeof(struct unwind_hint); i++) { hint = (struct unwind_hint *)sec->data->d_buf + i; reloc = find_reloc_by_dest(file->elf, sec, i * sizeof(*hint)); diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 8676c7598728..b18f0055b50b 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -286,10 +286,9 @@ static int read_sections(struct elf *elf) return -1; } } - sec->len = sec->sh.sh_size; if (sec->sh.sh_flags & SHF_EXECINSTR) - elf->text_size += sec->len; + elf->text_size += sec->sh.sh_size; list_add_tail(&sec->list, &elf->sections); elf_hash_add(section, &sec->hash, sec->idx); @@ -734,8 +733,8 @@ static int elf_add_string(struct elf *elf, struct section *strtab, char *str) data->d_size = strlen(str) + 1; data->d_align = 1; - len = strtab->len; - strtab->len += data->d_size; + len = strtab->sh.sh_size; + strtab->sh.sh_size += data->d_size; strtab->changed = true; return len; @@ -790,9 +789,9 @@ struct symbol *elf_create_undef_symbol(struct elf *elf, const char *name) data->d_align = 1; data->d_type = ELF_T_SYM; - sym->idx = symtab->len / sizeof(sym->sym); + sym->idx = symtab->sh.sh_size / sizeof(sym->sym); - symtab->len += data->d_size; + symtab->sh.sh_size += data->d_size; symtab->changed = true; symtab_shndx = find_section_by_name(elf, ".symtab_shndx"); @@ -814,7 +813,7 @@ struct symbol *elf_create_undef_symbol(struct elf *elf, const char *name) data->d_align = 4; data->d_type = ELF_T_WORD; - symtab_shndx->len += 4; + symtab_shndx->sh.sh_size += 4; symtab_shndx->changed = true; } @@ -855,7 +854,6 @@ struct section *elf_create_section(struct elf *elf, const char *name, } sec->idx = elf_ndxscn(s); - sec->len = size; sec->changed = true; sec->data = elf_newdata(s); diff --git a/tools/objtool/include/objtool/elf.h b/tools/objtool/include/objtool/elf.h index e34395047530..075d8291b854 100644 --- a/tools/objtool/include/objtool/elf.h +++ b/tools/objtool/include/objtool/elf.h @@ -38,7 +38,6 @@ struct section { Elf_Data *data; char *name; int idx; - unsigned int len; bool changed, text, rodata, noinstr; }; diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index dc9b7dd314b0..b5865e2450cb 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -204,7 +204,7 @@ int orc_create(struct objtool_file *file) /* Add a section terminator */ if (!empty) { - orc_list_add(&orc_list, &null, sec, sec->len); + orc_list_add(&orc_list, &null, sec, sec->sh.sh_size); nr++; } } diff --git a/tools/objtool/special.c b/tools/objtool/special.c index bc925cf19e2d..06c3eacab3d5 100644 --- a/tools/objtool/special.c +++ b/tools/objtool/special.c @@ -58,6 +58,13 @@ void __weak arch_handle_alternative(unsigned short feature, struct special_alt * { } +static void reloc_to_sec_off(struct reloc *reloc, struct section **sec, + unsigned long *off) +{ + *sec = reloc->sym->sec; + *off = reloc->sym->offset + reloc->addend; +} + static int get_alt_entry(struct elf *elf, struct special_entry *entry, struct section *sec, int idx, struct special_alt *alt) @@ -91,14 +98,8 @@ static int get_alt_entry(struct elf *elf, struct special_entry *entry, WARN_FUNC("can't find orig reloc", sec, offset + entry->orig); return -1; } - if (orig_reloc->sym->type != STT_SECTION) { - WARN_FUNC("don't know how to handle non-section reloc symbol %s", - sec, offset + entry->orig, orig_reloc->sym->name); - return -1; - } - alt->orig_sec = orig_reloc->sym->sec; - alt->orig_off = orig_reloc->addend; + reloc_to_sec_off(orig_reloc, &alt->orig_sec, &alt->orig_off); if (!entry->group || alt->new_len) { new_reloc = find_reloc_by_dest(elf, sec, offset + entry->new); @@ -116,8 +117,7 @@ static int get_alt_entry(struct elf *elf, struct special_entry *entry, if (arch_is_retpoline(new_reloc->sym)) return 1; - alt->new_sec = new_reloc->sym->sec; - alt->new_off = (unsigned int)new_reloc->addend; + reloc_to_sec_off(new_reloc, &alt->new_sec, &alt->new_off); /* _ASM_EXTABLE_EX hack */ if (alt->new_off >= 0x7ffffff0) @@ -159,13 +159,13 @@ int special_get_alts(struct elf *elf, struct list_head *alts) if (!sec) continue; - if (sec->len % entry->size != 0) { + if (sec->sh.sh_size % entry->size != 0) { WARN("%s size not a multiple of %d", sec->name, entry->size); return -1; } - nr_entries = sec->len / entry->size; + nr_entries = sec->sh.sh_size / entry->size; for (idx = 0; idx < nr_entries; idx++) { alt = malloc(sizeof(*alt)); diff --git a/tools/perf/Documentation/jitdump-specification.txt b/tools/perf/Documentation/jitdump-specification.txt index 52152d156ad9..79936355d819 100644 --- a/tools/perf/Documentation/jitdump-specification.txt +++ b/tools/perf/Documentation/jitdump-specification.txt @@ -164,7 +164,7 @@ const char unwinding_data[n]: an array of unwinding data, consisting of the EH F The EH Frame header follows the Linux Standard Base (LSB) specification as described in the document at https://refspecs.linuxfoundation.org/LSB_1.3.0/gLSB/gLSB/ehframehdr.html -The EH Frame follows the LSB specicfication as described in the document at https://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/ehframechpt.html +The EH Frame follows the LSB specification as described in the document at https://refspecs.linuxbase.org/LSB_3.0.0/LSB-PDA/LSB-PDA/ehframechpt.html NOTE: The mapped_size is generally either the same as unwind_data_size (if the unwinding data was mapped in memory by the running process) or zero (if the unwinding data is not mapped by the process). If the unwinding data was not mapped, then only the EH Frame Header will be read, which can be used to specify FP based unwinding for a function which does not have unwinding information. diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt index de6beedb7283..3b6a2c84ea02 100644 --- a/tools/perf/Documentation/perf-c2c.txt +++ b/tools/perf/Documentation/perf-c2c.txt @@ -261,7 +261,7 @@ COALESCE User can specify how to sort offsets for cacheline. Following fields are available and governs the final -output fields set for caheline offsets output: +output fields set for cacheline offsets output: tid - coalesced by process TIDs pid - coalesced by process PIDs diff --git a/tools/perf/Documentation/perf-intel-pt.txt b/tools/perf/Documentation/perf-intel-pt.txt index 184ba62420f0..db465fa7ee91 100644 --- a/tools/perf/Documentation/perf-intel-pt.txt +++ b/tools/perf/Documentation/perf-intel-pt.txt @@ -883,7 +883,7 @@ and "r" can be combined to get calls and returns. "Transactions" events correspond to the start or end of transactions. The 'flags' field can be used in perf script to determine whether the event is a -tranasaction start, commit or abort. +transaction start, commit or abort. Note that "instructions", "branches" and "transactions" events depend on code flow packets which can be disabled by using the config term "branch=0". Refer diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index 74d774592196..1b4d452923d7 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -44,7 +44,7 @@ COMMON OPTIONS -f:: --force:: - Don't complan, do it. + Don't complain, do it. REPORT OPTIONS -------------- diff --git a/tools/perf/Documentation/perf-script-perl.txt b/tools/perf/Documentation/perf-script-perl.txt index 5a1f68122f50..fa4f39d305a7 100644 --- a/tools/perf/Documentation/perf-script-perl.txt +++ b/tools/perf/Documentation/perf-script-perl.txt @@ -54,7 +54,7 @@ all sched_wakeup events in the system: Traces meant to be processed using a script should be recorded with the above option: -a to enable system-wide collection. -The format file for the sched_wakep event defines the following fields +The format file for the sched_wakeup event defines the following fields (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): ---- diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt index 0250dc61cf98..cf4b7f4b625a 100644 --- a/tools/perf/Documentation/perf-script-python.txt +++ b/tools/perf/Documentation/perf-script-python.txt @@ -448,7 +448,7 @@ all sched_wakeup events in the system: Traces meant to be processed using a script should be recorded with the above option: -a to enable system-wide collection. -The format file for the sched_wakep event defines the following fields +The format file for the sched_wakeup event defines the following fields (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): ---- diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 4c9310be6acc..7e6fb7cbc0f4 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -385,7 +385,7 @@ Aggregate counts per physical processor for system-wide mode measurements. Print metrics or metricgroups specified in a comma separated list. For a group all metrics from the group are added. The events from the metrics are automatically measured. -See perf list output for the possble metrics and metricgroups. +See perf list output for the possible metrics and metricgroups. -A:: --no-aggr:: diff --git a/tools/perf/Documentation/topdown.txt b/tools/perf/Documentation/topdown.txt index c6302df4cf29..a15b93fdcf50 100644 --- a/tools/perf/Documentation/topdown.txt +++ b/tools/perf/Documentation/topdown.txt @@ -2,7 +2,7 @@ Using TopDown metrics in user space ----------------------------------- Intel CPUs (since Sandy Bridge and Silvermont) support a TopDown -methology to break down CPU pipeline execution into 4 bottlenecks: +methodology to break down CPU pipeline execution into 4 bottlenecks: frontend bound, backend bound, bad speculation, retiring. For more details on Topdown see [1][5] diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 446180401e26..14e3e8d702a0 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -143,7 +143,7 @@ FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto ifdef CSINCLUDES LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) endif -OPENCSDLIBS := -lopencsd_c_api -lopencsd +OPENCSDLIBS := -lopencsd_c_api -lopencsd -lstdc++ ifdef CSLIBS LIBOPENCSD_LDFLAGS := -L$(CSLIBS) endif diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index e04313c4d840..5cd702062a04 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -802,7 +802,7 @@ endif $(patsubst perf-%,%.o,$(PROGRAMS)): $(wildcard */*.h) -LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) 'EXTRA_CFLAGS=$(EXTRA_CFLAGS)' 'LDFLAGS=$(LDFLAGS)' +LIBTRACEEVENT_FLAGS += plugin_dir=$(plugindir_SQ) 'EXTRA_CFLAGS=$(EXTRA_CFLAGS)' 'LDFLAGS=$(filter-out -static,$(LDFLAGS))' $(LIBTRACEEVENT): FORCE $(Q)$(MAKE) -C $(TRACE_EVENT_DIR) $(LIBTRACEEVENT_FLAGS) O=$(OUTPUT) $(OUTPUT)libtraceevent.a diff --git a/tools/perf/arch/arm/util/auxtrace.c b/tools/perf/arch/arm/util/auxtrace.c index c7c7ec0812d5..5fc6a2a3dbc5 100644 --- a/tools/perf/arch/arm/util/auxtrace.c +++ b/tools/perf/arch/arm/util/auxtrace.c @@ -8,10 +8,10 @@ #include <linux/coresight-pmu.h> #include <linux/zalloc.h> -#include "../../util/auxtrace.h" -#include "../../util/debug.h" -#include "../../util/evlist.h" -#include "../../util/pmu.h" +#include "../../../util/auxtrace.h" +#include "../../../util/debug.h" +#include "../../../util/evlist.h" +#include "../../../util/pmu.h" #include "cs-etm.h" #include "arm-spe.h" diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 515aae470e23..293a23bf8be3 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -16,19 +16,19 @@ #include <linux/zalloc.h> #include "cs-etm.h" -#include "../../util/debug.h" -#include "../../util/record.h" -#include "../../util/auxtrace.h" -#include "../../util/cpumap.h" -#include "../../util/event.h" -#include "../../util/evlist.h" -#include "../../util/evsel.h" -#include "../../util/perf_api_probe.h" -#include "../../util/evsel_config.h" -#include "../../util/pmu.h" -#include "../../util/cs-etm.h" +#include "../../../util/debug.h" +#include "../../../util/record.h" +#include "../../../util/auxtrace.h" +#include "../../../util/cpumap.h" +#include "../../../util/event.h" +#include "../../../util/evlist.h" +#include "../../../util/evsel.h" +#include "../../../util/perf_api_probe.h" +#include "../../../util/evsel_config.h" +#include "../../../util/pmu.h" +#include "../../../util/cs-etm.h" #include <internal/lib.h> // page_size -#include "../../util/session.h" +#include "../../../util/session.h" #include <errno.h> #include <stdlib.h> diff --git a/tools/perf/arch/arm/util/perf_regs.c b/tools/perf/arch/arm/util/perf_regs.c index 2864e2e3776d..2833e101a7c6 100644 --- a/tools/perf/arch/arm/util/perf_regs.c +++ b/tools/perf/arch/arm/util/perf_regs.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 -#include "../../util/perf_regs.h" +#include "../../../util/perf_regs.h" const struct sample_reg sample_reg_masks[] = { SMPL_REG_END diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c index bbc297a7e2e3..b8b23b9dc598 100644 --- a/tools/perf/arch/arm/util/pmu.c +++ b/tools/perf/arch/arm/util/pmu.c @@ -10,7 +10,7 @@ #include <linux/string.h> #include "arm-spe.h" -#include "../../util/pmu.h" +#include "../../../util/pmu.h" struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused) diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c index 36ba4c69c3c5..b7692cb0c733 100644 --- a/tools/perf/arch/arm/util/unwind-libdw.c +++ b/tools/perf/arch/arm/util/unwind-libdw.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 #include <elfutils/libdwfl.h> -#include "../../util/unwind-libdw.h" -#include "../../util/perf_regs.h" -#include "../../util/event.h" +#include "../../../util/unwind-libdw.h" +#include "../../../util/perf_regs.h" +#include "../../../util/event.h" bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) { diff --git a/tools/perf/arch/arm/util/unwind-libunwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c index 3a550225dfaf..438906bf0014 100644 --- a/tools/perf/arch/arm/util/unwind-libunwind.c +++ b/tools/perf/arch/arm/util/unwind-libunwind.c @@ -3,8 +3,8 @@ #include <errno.h> #include <libunwind.h> #include "perf_regs.h" -#include "../../util/unwind.h" -#include "../../util/debug.h" +#include "../../../util/unwind.h" +#include "../../../util/debug.h" int libunwind__arch_reg_id(int regnum) { diff --git a/tools/perf/arch/x86/util/iostat.c b/tools/perf/arch/x86/util/iostat.c index eeafe97b8105..792cd75ade33 100644 --- a/tools/perf/arch/x86/util/iostat.c +++ b/tools/perf/arch/x86/util/iostat.c @@ -432,7 +432,7 @@ void iostat_print_metric(struct perf_stat_config *config, struct evsel *evsel, u8 die = ((struct iio_root_port *)evsel->priv)->die; struct perf_counts_values *count = perf_counts(evsel->counts, die, 0); - if (count->run && count->ena) { + if (count && count->run && count->ena) { if (evsel->prev_raw_counts && !out->force_header) { struct perf_counts_values *prev_count = perf_counts(evsel->prev_raw_counts, die, 0); diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 0e824f7d8b19..6211d0b84b7a 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -368,16 +368,6 @@ static inline int output_type(unsigned int type) return OUTPUT_TYPE_OTHER; } -static inline unsigned int attr_type(unsigned int type) -{ - switch (type) { - case OUTPUT_TYPE_SYNTH: - return PERF_TYPE_SYNTH; - default: - return type; - } -} - static bool output_set_by_user(void) { int j; @@ -556,6 +546,18 @@ static void set_print_ip_opts(struct perf_event_attr *attr) output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; } +static struct evsel *find_first_output_type(struct evlist *evlist, + unsigned int type) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + if (output_type(evsel->core.attr.type) == (int)type) + return evsel; + } + return NULL; +} + /* * verify all user requested events exist and the samples * have the expected data @@ -567,7 +569,7 @@ static int perf_session__check_output_opt(struct perf_session *session) struct evsel *evsel; for (j = 0; j < OUTPUT_TYPE_MAX; ++j) { - evsel = perf_session__find_first_evtype(session, attr_type(j)); + evsel = find_first_output_type(session->evlist, j); /* * even if fields is set to 0 (ie., show nothing) event must diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index f6e87b7be5fa..f0ecfda34ece 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -2408,6 +2408,8 @@ int cmd_stat(int argc, const char **argv) goto out; } else if (verbose) iostat_list(evsel_list, &stat_config); + if (iostat_mode == IOSTAT_RUN && !target__has_cpu(&target)) + target.system_wide = true; } if (add_default_attributes()) diff --git a/tools/perf/pmu-events/arch/powerpc/power8/other.json b/tools/perf/pmu-events/arch/powerpc/power8/other.json index 84a0cedf1fd9..f1f2965f6775 100644 --- a/tools/perf/pmu-events/arch/powerpc/power8/other.json +++ b/tools/perf/pmu-events/arch/powerpc/power8/other.json @@ -1046,7 +1046,7 @@ { "EventCode": "0x4e010", "EventName": "PM_GCT_NOSLOT_IC_L3MISS", - "BriefDescription": "Gct empty for this thread due to icach l3 miss", + "BriefDescription": "Gct empty for this thread due to icache l3 miss", "PublicDescription": "" }, { diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 6731b3cf0c2f..7c887d37b893 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -1285,6 +1285,7 @@ int main(int argc, char *argv[]) } free_arch_std_events(); + free_sys_event_tables(); free(mapfile); return 0; @@ -1306,6 +1307,7 @@ err_close_eventsfp: create_empty_mapping(output_file); err_out: free_arch_std_events(); + free_sys_event_tables(); free(mapfile); return ret; } diff --git a/tools/perf/tests/attr/test-stat-default b/tools/perf/tests/attr/test-stat-default index d9e99b3f77e6..d8ea6a88163f 100644 --- a/tools/perf/tests/attr/test-stat-default +++ b/tools/perf/tests/attr/test-stat-default @@ -68,3 +68,100 @@ fd=10 type=0 config=5 optional=1 + +# PERF_TYPE_RAW / slots (0x400) +[event11:base-stat] +fd=11 +group_fd=-1 +type=4 +config=1024 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-retiring (0x8000) +[event12:base-stat] +fd=12 +group_fd=11 +type=4 +config=32768 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-bad-spec (0x8100) +[event13:base-stat] +fd=13 +group_fd=11 +type=4 +config=33024 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fe-bound (0x8200) +[event14:base-stat] +fd=14 +group_fd=11 +type=4 +config=33280 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-be-bound (0x8300) +[event15:base-stat] +fd=15 +group_fd=11 +type=4 +config=33536 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-heavy-ops (0x8400) +[event16:base-stat] +fd=16 +group_fd=11 +type=4 +config=33792 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-br-mispredict (0x8500) +[event17:base-stat] +fd=17 +group_fd=11 +type=4 +config=34048 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fetch-lat (0x8600) +[event18:base-stat] +fd=18 +group_fd=11 +type=4 +config=34304 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-mem-bound (0x8700) +[event19:base-stat] +fd=19 +group_fd=11 +type=4 +config=34560 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 diff --git a/tools/perf/tests/attr/test-stat-detailed-1 b/tools/perf/tests/attr/test-stat-detailed-1 index 8b04a055d154..b656ab93c5bf 100644 --- a/tools/perf/tests/attr/test-stat-detailed-1 +++ b/tools/perf/tests/attr/test-stat-detailed-1 @@ -70,12 +70,109 @@ type=0 config=5 optional=1 +# PERF_TYPE_RAW / slots (0x400) +[event11:base-stat] +fd=11 +group_fd=-1 +type=4 +config=1024 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-retiring (0x8000) +[event12:base-stat] +fd=12 +group_fd=11 +type=4 +config=32768 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-bad-spec (0x8100) +[event13:base-stat] +fd=13 +group_fd=11 +type=4 +config=33024 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fe-bound (0x8200) +[event14:base-stat] +fd=14 +group_fd=11 +type=4 +config=33280 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-be-bound (0x8300) +[event15:base-stat] +fd=15 +group_fd=11 +type=4 +config=33536 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-heavy-ops (0x8400) +[event16:base-stat] +fd=16 +group_fd=11 +type=4 +config=33792 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-br-mispredict (0x8500) +[event17:base-stat] +fd=17 +group_fd=11 +type=4 +config=34048 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fetch-lat (0x8600) +[event18:base-stat] +fd=18 +group_fd=11 +type=4 +config=34304 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-mem-bound (0x8700) +[event19:base-stat] +fd=19 +group_fd=11 +type=4 +config=34560 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event11:base-stat] -fd=11 +[event20:base-stat] +fd=20 type=3 config=0 optional=1 @@ -84,8 +181,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event12:base-stat] -fd=12 +[event21:base-stat] +fd=21 type=3 config=65536 optional=1 @@ -94,8 +191,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event13:base-stat] -fd=13 +[event22:base-stat] +fd=22 type=3 config=2 optional=1 @@ -104,8 +201,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event14:base-stat] -fd=14 +[event23:base-stat] +fd=23 type=3 config=65538 optional=1 diff --git a/tools/perf/tests/attr/test-stat-detailed-2 b/tools/perf/tests/attr/test-stat-detailed-2 index 4fca9f1bfbf8..97625090a1c4 100644 --- a/tools/perf/tests/attr/test-stat-detailed-2 +++ b/tools/perf/tests/attr/test-stat-detailed-2 @@ -70,12 +70,109 @@ type=0 config=5 optional=1 +# PERF_TYPE_RAW / slots (0x400) +[event11:base-stat] +fd=11 +group_fd=-1 +type=4 +config=1024 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-retiring (0x8000) +[event12:base-stat] +fd=12 +group_fd=11 +type=4 +config=32768 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-bad-spec (0x8100) +[event13:base-stat] +fd=13 +group_fd=11 +type=4 +config=33024 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fe-bound (0x8200) +[event14:base-stat] +fd=14 +group_fd=11 +type=4 +config=33280 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-be-bound (0x8300) +[event15:base-stat] +fd=15 +group_fd=11 +type=4 +config=33536 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-heavy-ops (0x8400) +[event16:base-stat] +fd=16 +group_fd=11 +type=4 +config=33792 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-br-mispredict (0x8500) +[event17:base-stat] +fd=17 +group_fd=11 +type=4 +config=34048 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fetch-lat (0x8600) +[event18:base-stat] +fd=18 +group_fd=11 +type=4 +config=34304 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-mem-bound (0x8700) +[event19:base-stat] +fd=19 +group_fd=11 +type=4 +config=34560 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event11:base-stat] -fd=11 +[event20:base-stat] +fd=20 type=3 config=0 optional=1 @@ -84,8 +181,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event12:base-stat] -fd=12 +[event21:base-stat] +fd=21 type=3 config=65536 optional=1 @@ -94,8 +191,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event13:base-stat] -fd=13 +[event22:base-stat] +fd=22 type=3 config=2 optional=1 @@ -104,8 +201,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event14:base-stat] -fd=14 +[event23:base-stat] +fd=23 type=3 config=65538 optional=1 @@ -114,8 +211,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event15:base-stat] -fd=15 +[event24:base-stat] +fd=24 type=3 config=1 optional=1 @@ -124,8 +221,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event16:base-stat] -fd=16 +[event25:base-stat] +fd=25 type=3 config=65537 optional=1 @@ -134,8 +231,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event17:base-stat] -fd=17 +[event26:base-stat] +fd=26 type=3 config=3 optional=1 @@ -144,8 +241,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event18:base-stat] -fd=18 +[event27:base-stat] +fd=27 type=3 config=65539 optional=1 @@ -154,8 +251,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event19:base-stat] -fd=19 +[event28:base-stat] +fd=28 type=3 config=4 optional=1 @@ -164,8 +261,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event20:base-stat] -fd=20 +[event29:base-stat] +fd=29 type=3 config=65540 optional=1 diff --git a/tools/perf/tests/attr/test-stat-detailed-3 b/tools/perf/tests/attr/test-stat-detailed-3 index 4bb58e1c82a6..d555042e3fbf 100644 --- a/tools/perf/tests/attr/test-stat-detailed-3 +++ b/tools/perf/tests/attr/test-stat-detailed-3 @@ -70,12 +70,109 @@ type=0 config=5 optional=1 +# PERF_TYPE_RAW / slots (0x400) +[event11:base-stat] +fd=11 +group_fd=-1 +type=4 +config=1024 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-retiring (0x8000) +[event12:base-stat] +fd=12 +group_fd=11 +type=4 +config=32768 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-bad-spec (0x8100) +[event13:base-stat] +fd=13 +group_fd=11 +type=4 +config=33024 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fe-bound (0x8200) +[event14:base-stat] +fd=14 +group_fd=11 +type=4 +config=33280 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-be-bound (0x8300) +[event15:base-stat] +fd=15 +group_fd=11 +type=4 +config=33536 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-heavy-ops (0x8400) +[event16:base-stat] +fd=16 +group_fd=11 +type=4 +config=33792 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-br-mispredict (0x8500) +[event17:base-stat] +fd=17 +group_fd=11 +type=4 +config=34048 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-fetch-lat (0x8600) +[event18:base-stat] +fd=18 +group_fd=11 +type=4 +config=34304 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + +# PERF_TYPE_RAW / topdown-mem-bound (0x8700) +[event19:base-stat] +fd=19 +group_fd=11 +type=4 +config=34560 +disabled=0 +enable_on_exec=0 +read_format=15 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event11:base-stat] -fd=11 +[event20:base-stat] +fd=20 type=3 config=0 optional=1 @@ -84,8 +181,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event12:base-stat] -fd=12 +[event21:base-stat] +fd=21 type=3 config=65536 optional=1 @@ -94,8 +191,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event13:base-stat] -fd=13 +[event22:base-stat] +fd=22 type=3 config=2 optional=1 @@ -104,8 +201,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event14:base-stat] -fd=14 +[event23:base-stat] +fd=23 type=3 config=65538 optional=1 @@ -114,8 +211,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event15:base-stat] -fd=15 +[event24:base-stat] +fd=24 type=3 config=1 optional=1 @@ -124,8 +221,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event16:base-stat] -fd=16 +[event25:base-stat] +fd=25 type=3 config=65537 optional=1 @@ -134,8 +231,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event17:base-stat] -fd=17 +[event26:base-stat] +fd=26 type=3 config=3 optional=1 @@ -144,8 +241,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event18:base-stat] -fd=18 +[event27:base-stat] +fd=27 type=3 config=65539 optional=1 @@ -154,8 +251,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event19:base-stat] -fd=19 +[event28:base-stat] +fd=28 type=3 config=4 optional=1 @@ -164,8 +261,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event20:base-stat] -fd=20 +[event29:base-stat] +fd=29 type=3 config=65540 optional=1 @@ -174,8 +271,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event21:base-stat] -fd=21 +[event30:base-stat] +fd=30 type=3 config=512 optional=1 @@ -184,8 +281,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event22:base-stat] -fd=22 +[event31:base-stat] +fd=31 type=3 config=66048 optional=1 diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 9866cddebf23..9b4a765e4b73 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -229,8 +229,8 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, struct thread *thread, struct state *state) { struct addr_location al; - unsigned char buf1[BUFSZ]; - unsigned char buf2[BUFSZ]; + unsigned char buf1[BUFSZ] = {0}; + unsigned char buf2[BUFSZ] = {0}; size_t ret_len; u64 objdump_addr; const char *objdump_name; diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index a288035eb362..c756284b3b13 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -20,6 +20,23 @@ /* For bsearch. We try to unwind functions in shared object. */ #include <stdlib.h> +/* + * The test will assert frames are on the stack but tail call optimizations lose + * the frame of the caller. Clang can disable this optimization on a called + * function but GCC currently (11/2020) lacks this attribute. The barrier is + * used to inhibit tail calls in these cases. + */ +#ifdef __has_attribute +#if __has_attribute(disable_tail_calls) +#define NO_TAIL_CALL_ATTRIBUTE __attribute__((disable_tail_calls)) +#define NO_TAIL_CALL_BARRIER +#endif +#endif +#ifndef NO_TAIL_CALL_ATTRIBUTE +#define NO_TAIL_CALL_ATTRIBUTE +#define NO_TAIL_CALL_BARRIER __asm__ __volatile__("" : : : "memory"); +#endif + static int mmap_handler(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, @@ -91,7 +108,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg) return strcmp((const char *) symbol, funcs[idx]); } -noinline int test_dwarf_unwind__thread(struct thread *thread) +NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__thread(struct thread *thread) { struct perf_sample sample; unsigned long cnt = 0; @@ -122,7 +139,7 @@ noinline int test_dwarf_unwind__thread(struct thread *thread) static int global_unwind_retval = -INT_MAX; -noinline int test_dwarf_unwind__compare(void *p1, void *p2) +NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__compare(void *p1, void *p2) { /* Any possible value should be 'thread' */ struct thread *thread = *(struct thread **)p1; @@ -141,7 +158,7 @@ noinline int test_dwarf_unwind__compare(void *p1, void *p2) return p1 - p2; } -noinline int test_dwarf_unwind__krava_3(struct thread *thread) +NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__krava_3(struct thread *thread) { struct thread *array[2] = {thread, thread}; void *fp = &bsearch; @@ -160,14 +177,22 @@ noinline int test_dwarf_unwind__krava_3(struct thread *thread) return global_unwind_retval; } -noinline int test_dwarf_unwind__krava_2(struct thread *thread) +NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__krava_2(struct thread *thread) { - return test_dwarf_unwind__krava_3(thread); + int ret; + + ret = test_dwarf_unwind__krava_3(thread); + NO_TAIL_CALL_BARRIER; + return ret; } -noinline int test_dwarf_unwind__krava_1(struct thread *thread) +NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__krava_1(struct thread *thread) { - return test_dwarf_unwind__krava_2(thread); + int ret; + + ret = test_dwarf_unwind__krava_2(thread); + NO_TAIL_CALL_BARRIER; + return ret; } int test__dwarf_unwind(struct test *test __maybe_unused, int subtest __maybe_unused) diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 781afe42e90e..fa5bd5c20e96 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -757,25 +757,40 @@ void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, } void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column, - unsigned int row, bool arrow_down) + unsigned int row, int diff, bool arrow_down) { - unsigned int end_row; + int end_row; - if (row >= browser->top_idx) - end_row = row - browser->top_idx; - else + if (diff <= 0) return; SLsmg_set_char_set(1); if (arrow_down) { + if (row + diff <= browser->top_idx) + return; + + end_row = row + diff - browser->top_idx; ui_browser__gotorc(browser, end_row, column - 1); - SLsmg_write_char(SLSMG_ULCORN_CHAR); - ui_browser__gotorc(browser, end_row, column); - SLsmg_draw_hline(2); - ui_browser__gotorc(browser, end_row + 1, column - 1); SLsmg_write_char(SLSMG_LTEE_CHAR); + + while (--end_row >= 0 && end_row > (int)(row - browser->top_idx)) { + ui_browser__gotorc(browser, end_row, column - 1); + SLsmg_draw_vline(1); + } + + end_row = (int)(row - browser->top_idx); + if (end_row >= 0) { + ui_browser__gotorc(browser, end_row, column - 1); + SLsmg_write_char(SLSMG_ULCORN_CHAR); + ui_browser__gotorc(browser, end_row, column); + SLsmg_draw_hline(2); + } } else { + if (row < browser->top_idx) + return; + + end_row = row - browser->top_idx; ui_browser__gotorc(browser, end_row, column - 1); SLsmg_write_char(SLSMG_LTEE_CHAR); ui_browser__gotorc(browser, end_row, column); diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h index 3678eb88f119..510ce4554050 100644 --- a/tools/perf/ui/browser.h +++ b/tools/perf/ui/browser.h @@ -51,7 +51,7 @@ void ui_browser__write_graph(struct ui_browser *browser, int graph); void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, u64 start, u64 end); void ui_browser__mark_fused(struct ui_browser *browser, unsigned int column, - unsigned int row, bool arrow_down); + unsigned int row, int diff, bool arrow_down); void __ui_browser__show_title(struct ui_browser *browser, const char *title); void ui_browser__show_title(struct ui_browser *browser, const char *title); int ui_browser__show(struct ui_browser *browser, const char *title, diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index ef4da4295bf7..e81c2493efdf 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -125,13 +125,20 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int ab->selection = al; } -static bool is_fused(struct annotate_browser *ab, struct disasm_line *cursor) +static int is_fused(struct annotate_browser *ab, struct disasm_line *cursor) { struct disasm_line *pos = list_prev_entry(cursor, al.node); const char *name; + int diff = 1; + + while (pos && pos->al.offset == -1) { + pos = list_prev_entry(pos, al.node); + if (!ab->opts->hide_src_code) + diff++; + } if (!pos) - return false; + return 0; if (ins__is_lock(&pos->ins)) name = pos->ops.locked.ins.name; @@ -139,9 +146,11 @@ static bool is_fused(struct annotate_browser *ab, struct disasm_line *cursor) name = pos->ins.name; if (!name || !cursor->ins.name) - return false; + return 0; - return ins__is_fused(ab->arch, name, cursor->ins.name); + if (ins__is_fused(ab->arch, name, cursor->ins.name)) + return diff; + return 0; } static void annotate_browser__draw_current_jump(struct ui_browser *browser) @@ -155,6 +164,7 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) struct annotation *notes = symbol__annotation(sym); u8 pcnt_width = annotation__pcnt_width(notes); int width; + int diff = 0; /* PLT symbols contain external offsets */ if (strstr(sym->name, "@plt")) @@ -205,11 +215,11 @@ static void annotate_browser__draw_current_jump(struct ui_browser *browser) pcnt_width + 2 + notes->widths.addr + width, from, to); - if (is_fused(ab, cursor)) { + diff = is_fused(ab, cursor); + if (diff > 0) { ui_browser__mark_fused(browser, pcnt_width + 3 + notes->widths.addr + width, - from - 1, - to > from); + from - diff, diff, to > from); } } diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index 683f6d63560e..1a7112a87736 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -24,7 +24,10 @@ struct btf * __weak btf__load_from_kernel_by_id(__u32 id) { struct btf *btf; +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" int err = btf__get_from_id(id, &btf); +#pragma GCC diagnostic pop return err ? ERR_PTR(err) : btf; } diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index 4fb5e90d7a57..60ce5908c664 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -801,7 +801,7 @@ int perf_config_set(struct perf_config_set *set, section->name, item->name); ret = fn(key, value, data); if (ret < 0) { - pr_err("Error: wrong config key-value pair %s=%s\n", + pr_err("Error in the given config file: wrong config key-value pair %s=%s\n", key, value); /* * Can't be just a 'break', as perf_config_set__for_each_entry() diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index da19be7da284..44e40bad0e33 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2149,6 +2149,7 @@ static int add_callchain_ip(struct thread *thread, al.filtered = 0; al.sym = NULL; + al.srcline = NULL; if (!cpumode) { thread__find_cpumode_addr_location(thread, ip, &al); } else { diff --git a/tools/testing/selftests/arm64/signal/test_signals_utils.c b/tools/testing/selftests/arm64/signal/test_signals_utils.c index 6836510a522f..22722abc9dfa 100644 --- a/tools/testing/selftests/arm64/signal/test_signals_utils.c +++ b/tools/testing/selftests/arm64/signal/test_signals_utils.c @@ -266,16 +266,19 @@ int test_init(struct tdescr *td) td->feats_supported |= FEAT_SSBS; if (getauxval(AT_HWCAP) & HWCAP_SVE) td->feats_supported |= FEAT_SVE; - if (feats_ok(td)) + if (feats_ok(td)) { fprintf(stderr, "Required Features: [%s] supported\n", feats_to_string(td->feats_required & td->feats_supported)); - else + } else { fprintf(stderr, "Required Features: [%s] NOT supported\n", feats_to_string(td->feats_required & ~td->feats_supported)); + td->result = KSFT_SKIP; + return 0; + } } /* Perform test specific additional initialization */ diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 866531c08e4f..799b88152e9e 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -375,7 +375,8 @@ $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.o: \ $(TRUNNER_BPF_PROGS_DIR)/%.c \ $(TRUNNER_BPF_PROGS_DIR)/*.h \ $$(INCLUDE_DIR)/vmlinux.h \ - $(wildcard $(BPFDIR)/bpf_*.h) | $(TRUNNER_OUTPUT) + $(wildcard $(BPFDIR)/bpf_*.h) \ + | $(TRUNNER_OUTPUT) $$(BPFOBJ) $$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \ $(TRUNNER_BPF_CFLAGS)) diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c index 033051717ba5..f3daa44a8266 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.c +++ b/tools/testing/selftests/bpf/cgroup_helpers.c @@ -12,27 +12,36 @@ #include <unistd.h> #include <ftw.h> - #include "cgroup_helpers.h" /* * To avoid relying on the system setup, when setup_cgroup_env is called - * we create a new mount namespace, and cgroup namespace. The cgroup2 - * root is mounted at CGROUP_MOUNT_PATH - * - * Unfortunately, most people don't have cgroupv2 enabled at this point in time. - * It's easier to create our own mount namespace and manage it ourselves. + * we create a new mount namespace, and cgroup namespace. The cgroupv2 + * root is mounted at CGROUP_MOUNT_PATH. Unfortunately, most people don't + * have cgroupv2 enabled at this point in time. It's easier to create our + * own mount namespace and manage it ourselves. We assume /mnt exists. * - * We assume /mnt exists. + * Related cgroupv1 helpers are named *classid*(), since we only use the + * net_cls controller for tagging net_cls.classid. We assume the default + * mount under /sys/fs/cgroup/net_cls, which should be the case for the + * vast majority of users. */ #define WALK_FD_LIMIT 16 + #define CGROUP_MOUNT_PATH "/mnt" +#define CGROUP_MOUNT_DFLT "/sys/fs/cgroup" +#define NETCLS_MOUNT_PATH CGROUP_MOUNT_DFLT "/net_cls" #define CGROUP_WORK_DIR "/cgroup-test-work-dir" + #define format_cgroup_path(buf, path) \ snprintf(buf, sizeof(buf), "%s%s%s", CGROUP_MOUNT_PATH, \ CGROUP_WORK_DIR, path) +#define format_classid_path(buf) \ + snprintf(buf, sizeof(buf), "%s%s", NETCLS_MOUNT_PATH, \ + CGROUP_WORK_DIR) + /** * enable_all_controllers() - Enable all available cgroup v2 controllers * @@ -139,8 +148,7 @@ static int nftwfunc(const char *filename, const struct stat *statptr, return 0; } - -static int join_cgroup_from_top(char *cgroup_path) +static int join_cgroup_from_top(const char *cgroup_path) { char cgroup_procs_path[PATH_MAX + 1]; pid_t pid = getpid(); @@ -313,3 +321,114 @@ int cgroup_setup_and_join(const char *path) { } return cg_fd; } + +/** + * setup_classid_environment() - Setup the cgroupv1 net_cls environment + * + * After calling this function, cleanup_classid_environment should be called + * once testing is complete. + * + * This function will print an error to stderr and return 1 if it is unable + * to setup the cgroup environment. If setup is successful, 0 is returned. + */ +int setup_classid_environment(void) +{ + char cgroup_workdir[PATH_MAX + 1]; + + format_classid_path(cgroup_workdir); + + if (mount("tmpfs", CGROUP_MOUNT_DFLT, "tmpfs", 0, NULL) && + errno != EBUSY) { + log_err("mount cgroup base"); + return 1; + } + + if (mkdir(NETCLS_MOUNT_PATH, 0777) && errno != EEXIST) { + log_err("mkdir cgroup net_cls"); + return 1; + } + + if (mount("net_cls", NETCLS_MOUNT_PATH, "cgroup", 0, "net_cls") && + errno != EBUSY) { + log_err("mount cgroup net_cls"); + return 1; + } + + cleanup_classid_environment(); + + if (mkdir(cgroup_workdir, 0777) && errno != EEXIST) { + log_err("mkdir cgroup work dir"); + return 1; + } + + return 0; +} + +/** + * set_classid() - Set a cgroupv1 net_cls classid + * @id: the numeric classid + * + * Writes the passed classid into the cgroup work dir's net_cls.classid + * file in order to later on trigger socket tagging. + * + * On success, it returns 0, otherwise on failure it returns 1. If there + * is a failure, it prints the error to stderr. + */ +int set_classid(unsigned int id) +{ + char cgroup_workdir[PATH_MAX - 42]; + char cgroup_classid_path[PATH_MAX + 1]; + int fd, rc = 0; + + format_classid_path(cgroup_workdir); + snprintf(cgroup_classid_path, sizeof(cgroup_classid_path), + "%s/net_cls.classid", cgroup_workdir); + + fd = open(cgroup_classid_path, O_WRONLY); + if (fd < 0) { + log_err("Opening cgroup classid: %s", cgroup_classid_path); + return 1; + } + + if (dprintf(fd, "%u\n", id) < 0) { + log_err("Setting cgroup classid"); + rc = 1; + } + + close(fd); + return rc; +} + +/** + * join_classid() - Join a cgroupv1 net_cls classid + * + * This function expects the cgroup work dir to be already created, as we + * join it here. This causes the process sockets to be tagged with the given + * net_cls classid. + * + * On success, it returns 0, otherwise on failure it returns 1. + */ +int join_classid(void) +{ + char cgroup_workdir[PATH_MAX + 1]; + + format_classid_path(cgroup_workdir); + return join_cgroup_from_top(cgroup_workdir); +} + +/** + * cleanup_classid_environment() - Cleanup the cgroupv1 net_cls environment + * + * At call time, it moves the calling process to the root cgroup, and then + * runs the deletion process. + * + * On failure, it will print an error to stderr, and try to continue. + */ +void cleanup_classid_environment(void) +{ + char cgroup_workdir[PATH_MAX + 1]; + + format_classid_path(cgroup_workdir); + join_cgroup_from_top(NETCLS_MOUNT_PATH); + nftw(cgroup_workdir, nftwfunc, WALK_FD_LIMIT, FTW_DEPTH | FTW_MOUNT); +} diff --git a/tools/testing/selftests/bpf/cgroup_helpers.h b/tools/testing/selftests/bpf/cgroup_helpers.h index 5fe3d88e4f0d..629da3854b3e 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.h +++ b/tools/testing/selftests/bpf/cgroup_helpers.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CGROUP_HELPERS_H #define __CGROUP_HELPERS_H + #include <errno.h> #include <string.h> @@ -8,12 +9,21 @@ #define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \ __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__) - +/* cgroupv2 related */ int cgroup_setup_and_join(const char *path); int create_and_get_cgroup(const char *path); +unsigned long long get_cgroup_id(const char *path); + int join_cgroup(const char *path); + int setup_cgroup_environment(void); void cleanup_cgroup_environment(void); -unsigned long long get_cgroup_id(const char *path); -#endif +/* cgroupv1 related */ +int set_classid(unsigned int id); +int join_classid(void); + +int setup_classid_environment(void); +void cleanup_classid_environment(void); + +#endif /* __CGROUP_HELPERS_H */ diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index 7e9f6375757a..6db1af8fdee7 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -208,11 +208,26 @@ error_close: static int connect_fd_to_addr(int fd, const struct sockaddr_storage *addr, - socklen_t addrlen) + socklen_t addrlen, const bool must_fail) { - if (connect(fd, (const struct sockaddr *)addr, addrlen)) { - log_err("Failed to connect to server"); - return -1; + int ret; + + errno = 0; + ret = connect(fd, (const struct sockaddr *)addr, addrlen); + if (must_fail) { + if (!ret) { + log_err("Unexpected success to connect to server"); + return -1; + } + if (errno != EPERM) { + log_err("Unexpected error from connect to server"); + return -1; + } + } else { + if (ret) { + log_err("Failed to connect to server"); + return -1; + } } return 0; @@ -257,7 +272,7 @@ int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts) strlen(opts->cc) + 1)) goto error_close; - if (connect_fd_to_addr(fd, &addr, addrlen)) + if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail)) goto error_close; return fd; @@ -289,7 +304,7 @@ int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms) return -1; } - if (connect_fd_to_addr(client_fd, &addr, len)) + if (connect_fd_to_addr(client_fd, &addr, len, false)) return -1; return 0; diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index da7e132657d5..d198181a5648 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -20,6 +20,7 @@ typedef __u16 __sum16; struct network_helper_opts { const char *cc; int timeout_ms; + bool must_fail; }; /* ipv4 test vector */ diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c new file mode 100644 index 000000000000..ab3b9bc5e6d1 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <test_progs.h> + +#include "connect4_dropper.skel.h" + +#include "cgroup_helpers.h" +#include "network_helpers.h" + +static int run_test(int cgroup_fd, int server_fd, bool classid) +{ + struct network_helper_opts opts = { + .must_fail = true, + }; + struct connect4_dropper *skel; + int fd, err = 0; + + skel = connect4_dropper__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_open")) + return -1; + + skel->links.connect_v4_dropper = + bpf_program__attach_cgroup(skel->progs.connect_v4_dropper, + cgroup_fd); + if (!ASSERT_OK_PTR(skel->links.connect_v4_dropper, "prog_attach")) { + err = -1; + goto out; + } + + if (classid && !ASSERT_OK(join_classid(), "join_classid")) { + err = -1; + goto out; + } + + fd = connect_to_fd_opts(server_fd, &opts); + if (fd < 0) + err = -1; + else + close(fd); +out: + connect4_dropper__destroy(skel); + return err; +} + +void test_cgroup_v1v2(void) +{ + struct network_helper_opts opts = {}; + int server_fd, client_fd, cgroup_fd; + static const int port = 60123; + + /* Step 1: Check base connectivity works without any BPF. */ + server_fd = start_server(AF_INET, SOCK_STREAM, NULL, port, 0); + if (!ASSERT_GE(server_fd, 0, "server_fd")) + return; + client_fd = connect_to_fd_opts(server_fd, &opts); + if (!ASSERT_GE(client_fd, 0, "client_fd")) { + close(server_fd); + return; + } + close(client_fd); + close(server_fd); + + /* Step 2: Check BPF policy prog attached to cgroups drops connectivity. */ + cgroup_fd = test__join_cgroup("/connect_dropper"); + if (!ASSERT_GE(cgroup_fd, 0, "cgroup_fd")) + return; + server_fd = start_server(AF_INET, SOCK_STREAM, NULL, port, 0); + if (!ASSERT_GE(server_fd, 0, "server_fd")) { + close(cgroup_fd); + return; + } + ASSERT_OK(run_test(cgroup_fd, server_fd, false), "cgroup-v2-only"); + setup_classid_environment(); + set_classid(42); + ASSERT_OK(run_test(cgroup_fd, server_fd, true), "cgroup-v1v2"); + cleanup_classid_environment(); + close(server_fd); + close(cgroup_fd); +} diff --git a/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c index 53f0e0fa1a53..37c20b5ffa70 100644 --- a/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c +++ b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c @@ -1,7 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #define _GNU_SOURCE #include <test_progs.h> -#include <linux/ptrace.h> #include "test_task_pt_regs.skel.h" void test_task_pt_regs(void) diff --git a/tools/testing/selftests/bpf/progs/connect4_dropper.c b/tools/testing/selftests/bpf/progs/connect4_dropper.c new file mode 100644 index 000000000000..b565d997810a --- /dev/null +++ b/tools/testing/selftests/bpf/progs/connect4_dropper.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <string.h> + +#include <linux/stddef.h> +#include <linux/bpf.h> + +#include <sys/socket.h> + +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> + +#define VERDICT_REJECT 0 +#define VERDICT_PROCEED 1 + +SEC("cgroup/connect4") +int connect_v4_dropper(struct bpf_sock_addr *ctx) +{ + if (ctx->type != SOCK_STREAM) + return VERDICT_PROCEED; + if (ctx->user_port == bpf_htons(60123)) + return VERDICT_REJECT; + return VERDICT_PROCEED; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/test_task_pt_regs.c b/tools/testing/selftests/bpf/progs/test_task_pt_regs.c index 6c059f1cfa1b..e6cb09259408 100644 --- a/tools/testing/selftests/bpf/progs/test_task_pt_regs.c +++ b/tools/testing/selftests/bpf/progs/test_task_pt_regs.c @@ -1,12 +1,17 @@ // SPDX-License-Identifier: GPL-2.0 -#include <linux/ptrace.h> -#include <linux/bpf.h> +#include "vmlinux.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> -struct pt_regs current_regs = {}; -struct pt_regs ctx_regs = {}; +#define PT_REGS_SIZE sizeof(struct pt_regs) + +/* + * The kernel struct pt_regs isn't exported in its entirety to userspace. + * Pass it as an array to task_pt_regs.c + */ +char current_regs[PT_REGS_SIZE] = {}; +char ctx_regs[PT_REGS_SIZE] = {}; int uprobe_res = 0; SEC("uprobe/trigger_func") @@ -17,8 +22,10 @@ int handle_uprobe(struct pt_regs *ctx) current = bpf_get_current_task_btf(); regs = (struct pt_regs *) bpf_task_pt_regs(current); - __builtin_memcpy(¤t_regs, regs, sizeof(*regs)); - __builtin_memcpy(&ctx_regs, ctx, sizeof(*ctx)); + if (bpf_probe_read_kernel(current_regs, PT_REGS_SIZE, regs)) + return 0; + if (bpf_probe_read_kernel(ctx_regs, PT_REGS_SIZE, ctx)) + return 0; /* Prove that uprobe was run */ uprobe_res = 1; diff --git a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh index 59ea56945e6c..b497bb85b667 100755 --- a/tools/testing/selftests/bpf/test_lwt_ip_encap.sh +++ b/tools/testing/selftests/bpf/test_lwt_ip_encap.sh @@ -112,6 +112,14 @@ setup() ip netns add "${NS2}" ip netns add "${NS3}" + # rp_filter gets confused by what these tests are doing, so disable it + ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0 + ip netns exec ${NS1} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip netns exec ${NS2} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip netns exec ${NS3} sysctl -wq net.ipv4.conf.default.rp_filter=0 + ip link add veth1 type veth peer name veth2 ip link add veth3 type veth peer name veth4 ip link add veth5 type veth peer name veth6 @@ -236,11 +244,6 @@ setup() ip -netns ${NS1} -6 route add ${IPv6_GRE}/128 dev veth5 via ${IPv6_6} ${VRF} ip -netns ${NS2} -6 route add ${IPv6_GRE}/128 dev veth7 via ${IPv6_8} ${VRF} - # rp_filter gets confused by what these tests are doing, so disable it - ip netns exec ${NS1} sysctl -wq net.ipv4.conf.all.rp_filter=0 - ip netns exec ${NS2} sysctl -wq net.ipv4.conf.all.rp_filter=0 - ip netns exec ${NS3} sysctl -wq net.ipv4.conf.all.rp_filter=0 - TMPFILE=$(mktemp /tmp/test_lwt_ip_encap.XXXXXX) sleep 1 # reduce flakiness diff --git a/tools/testing/selftests/drivers/dma-buf/udmabuf.c b/tools/testing/selftests/drivers/dma-buf/udmabuf.c index 4de902ea14d8..de1c4e6de0b2 100644 --- a/tools/testing/selftests/drivers/dma-buf/udmabuf.c +++ b/tools/testing/selftests/drivers/dma-buf/udmabuf.c @@ -1,10 +1,13 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE +#define __EXPORTED_HEADERS__ + #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <string.h> #include <errno.h> -#include <linux/fcntl.h> +#include <fcntl.h> #include <malloc.h> #include <sys/ioctl.h> diff --git a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh index beee0d5646a6..f7d84549cc3e 100755 --- a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh +++ b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh @@ -1,6 +1,6 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 -# Copyright 2020 NXP Semiconductors +# Copyright 2020 NXP WAIT_TIME=1 NUM_NETIFS=4 diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore index 98053d3afbda..b8dbabe24ac2 100644 --- a/tools/testing/selftests/kvm/.gitignore +++ b/tools/testing/selftests/kvm/.gitignore @@ -24,6 +24,7 @@ /x86_64/smm_test /x86_64/state_test /x86_64/svm_vmcall_test +/x86_64/svm_int_ctl_test /x86_64/sync_regs_test /x86_64/tsc_msrs_test /x86_64/userspace_msr_exit_test @@ -48,6 +49,7 @@ /kvm_page_table_test /memslot_modification_stress_test /memslot_perf_test +/rseq_test /set_memory_region_test /steal_time /kvm_binary_stats_test diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 5d05801ab816..d1774f461393 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -56,6 +56,7 @@ TEST_GEN_PROGS_x86_64 += x86_64/smm_test TEST_GEN_PROGS_x86_64 += x86_64/state_test TEST_GEN_PROGS_x86_64 += x86_64/vmx_preemption_timer_test TEST_GEN_PROGS_x86_64 += x86_64/svm_vmcall_test +TEST_GEN_PROGS_x86_64 += x86_64/svm_int_ctl_test TEST_GEN_PROGS_x86_64 += x86_64/sync_regs_test TEST_GEN_PROGS_x86_64 += x86_64/userspace_msr_exit_test TEST_GEN_PROGS_x86_64 += x86_64/vmx_apic_access_test @@ -80,6 +81,7 @@ TEST_GEN_PROGS_x86_64 += kvm_create_max_vcpus TEST_GEN_PROGS_x86_64 += kvm_page_table_test TEST_GEN_PROGS_x86_64 += memslot_modification_stress_test TEST_GEN_PROGS_x86_64 += memslot_perf_test +TEST_GEN_PROGS_x86_64 += rseq_test TEST_GEN_PROGS_x86_64 += set_memory_region_test TEST_GEN_PROGS_x86_64 += steal_time TEST_GEN_PROGS_x86_64 += kvm_binary_stats_test @@ -93,6 +95,7 @@ TEST_GEN_PROGS_aarch64 += dirty_log_test TEST_GEN_PROGS_aarch64 += dirty_log_perf_test TEST_GEN_PROGS_aarch64 += kvm_create_max_vcpus TEST_GEN_PROGS_aarch64 += kvm_page_table_test +TEST_GEN_PROGS_aarch64 += rseq_test TEST_GEN_PROGS_aarch64 += set_memory_region_test TEST_GEN_PROGS_aarch64 += steal_time TEST_GEN_PROGS_aarch64 += kvm_binary_stats_test @@ -104,6 +107,7 @@ TEST_GEN_PROGS_s390x += demand_paging_test TEST_GEN_PROGS_s390x += dirty_log_test TEST_GEN_PROGS_s390x += kvm_create_max_vcpus TEST_GEN_PROGS_s390x += kvm_page_table_test +TEST_GEN_PROGS_s390x += rseq_test TEST_GEN_PROGS_s390x += set_memory_region_test TEST_GEN_PROGS_s390x += kvm_binary_stats_test diff --git a/tools/testing/selftests/kvm/access_tracking_perf_test.c b/tools/testing/selftests/kvm/access_tracking_perf_test.c index 71e277c7c3f3..5d95113c7b7c 100644 --- a/tools/testing/selftests/kvm/access_tracking_perf_test.c +++ b/tools/testing/selftests/kvm/access_tracking_perf_test.c @@ -371,9 +371,7 @@ static void help(char *name) printf(" -v: specify the number of vCPUs to run.\n"); printf(" -o: Overlap guest memory accesses instead of partitioning\n" " them into a separate region of memory for each vCPU.\n"); - printf(" -s: specify the type of memory that should be used to\n" - " back the guest data region.\n\n"); - backing_src_help(); + backing_src_help("-s"); puts(""); exit(0); } @@ -381,7 +379,7 @@ static void help(char *name) int main(int argc, char *argv[]) { struct test_params params = { - .backing_src = VM_MEM_SRC_ANONYMOUS, + .backing_src = DEFAULT_VM_MEM_SRC, .vcpu_memory_bytes = DEFAULT_PER_VCPU_MEM_SIZE, .vcpus = 1, }; diff --git a/tools/testing/selftests/kvm/demand_paging_test.c b/tools/testing/selftests/kvm/demand_paging_test.c index e79c1b64977f..1510b21e6306 100644 --- a/tools/testing/selftests/kvm/demand_paging_test.c +++ b/tools/testing/selftests/kvm/demand_paging_test.c @@ -179,7 +179,7 @@ static void *uffd_handler_thread_fn(void *arg) return NULL; } - if (!pollfd[0].revents & POLLIN) + if (!(pollfd[0].revents & POLLIN)) continue; r = read(uffd, &msg, sizeof(msg)); @@ -416,7 +416,7 @@ static void help(char *name) { puts(""); printf("usage: %s [-h] [-m vm_mode] [-u uffd_mode] [-d uffd_delay_usec]\n" - " [-b memory] [-t type] [-v vcpus] [-o]\n", name); + " [-b memory] [-s type] [-v vcpus] [-o]\n", name); guest_modes_help(); printf(" -u: use userfaultfd to handle vCPU page faults. Mode is a\n" " UFFD registration mode: 'MISSING' or 'MINOR'.\n"); @@ -426,8 +426,7 @@ static void help(char *name) printf(" -b: specify the size of the memory region which should be\n" " demand paged by each vCPU. e.g. 10M or 3G.\n" " Default: 1G\n"); - printf(" -t: The type of backing memory to use. Default: anonymous\n"); - backing_src_help(); + backing_src_help("-s"); printf(" -v: specify the number of vCPUs to run.\n"); printf(" -o: Overlap guest memory accesses instead of partitioning\n" " them into a separate region of memory for each vCPU.\n"); @@ -439,14 +438,14 @@ int main(int argc, char *argv[]) { int max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS); struct test_params p = { - .src_type = VM_MEM_SRC_ANONYMOUS, + .src_type = DEFAULT_VM_MEM_SRC, .partition_vcpu_memory_access = true, }; int opt; guest_modes_append_default(); - while ((opt = getopt(argc, argv, "hm:u:d:b:t:v:o")) != -1) { + while ((opt = getopt(argc, argv, "hm:u:d:b:s:v:o")) != -1) { switch (opt) { case 'm': guest_modes_cmdline(optarg); @@ -465,7 +464,7 @@ int main(int argc, char *argv[]) case 'b': guest_percpu_mem_size = parse_size(optarg); break; - case 't': + case 's': p.src_type = parse_backing_src_type(optarg); break; case 'v': @@ -485,7 +484,7 @@ int main(int argc, char *argv[]) if (p.uffd_mode == UFFDIO_REGISTER_MODE_MINOR && !backing_src_is_shared(p.src_type)) { - TEST_FAIL("userfaultfd MINOR mode requires shared memory; pick a different -t"); + TEST_FAIL("userfaultfd MINOR mode requires shared memory; pick a different -s"); } for_each_guest_mode(run_test, &p); diff --git a/tools/testing/selftests/kvm/dirty_log_perf_test.c b/tools/testing/selftests/kvm/dirty_log_perf_test.c index 479868570d59..7ffab5bd5ce5 100644 --- a/tools/testing/selftests/kvm/dirty_log_perf_test.c +++ b/tools/testing/selftests/kvm/dirty_log_perf_test.c @@ -118,42 +118,64 @@ static inline void disable_dirty_logging(struct kvm_vm *vm, int slots) toggle_dirty_logging(vm, slots, false); } -static void get_dirty_log(struct kvm_vm *vm, int slots, unsigned long *bitmap, - uint64_t nr_pages) +static void get_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[], int slots) { - uint64_t slot_pages = nr_pages / slots; int i; for (i = 0; i < slots; i++) { int slot = PERF_TEST_MEM_SLOT_INDEX + i; - unsigned long *slot_bitmap = bitmap + i * slot_pages; - kvm_vm_get_dirty_log(vm, slot, slot_bitmap); + kvm_vm_get_dirty_log(vm, slot, bitmaps[i]); } } -static void clear_dirty_log(struct kvm_vm *vm, int slots, unsigned long *bitmap, - uint64_t nr_pages) +static void clear_dirty_log(struct kvm_vm *vm, unsigned long *bitmaps[], + int slots, uint64_t pages_per_slot) { - uint64_t slot_pages = nr_pages / slots; int i; for (i = 0; i < slots; i++) { int slot = PERF_TEST_MEM_SLOT_INDEX + i; - unsigned long *slot_bitmap = bitmap + i * slot_pages; - kvm_vm_clear_dirty_log(vm, slot, slot_bitmap, 0, slot_pages); + kvm_vm_clear_dirty_log(vm, slot, bitmaps[i], 0, pages_per_slot); } } +static unsigned long **alloc_bitmaps(int slots, uint64_t pages_per_slot) +{ + unsigned long **bitmaps; + int i; + + bitmaps = malloc(slots * sizeof(bitmaps[0])); + TEST_ASSERT(bitmaps, "Failed to allocate bitmaps array."); + + for (i = 0; i < slots; i++) { + bitmaps[i] = bitmap_zalloc(pages_per_slot); + TEST_ASSERT(bitmaps[i], "Failed to allocate slot bitmap."); + } + + return bitmaps; +} + +static void free_bitmaps(unsigned long *bitmaps[], int slots) +{ + int i; + + for (i = 0; i < slots; i++) + free(bitmaps[i]); + + free(bitmaps); +} + static void run_test(enum vm_guest_mode mode, void *arg) { struct test_params *p = arg; pthread_t *vcpu_threads; struct kvm_vm *vm; - unsigned long *bmap; + unsigned long **bitmaps; uint64_t guest_num_pages; uint64_t host_num_pages; + uint64_t pages_per_slot; int vcpu_id; struct timespec start; struct timespec ts_diff; @@ -171,7 +193,9 @@ static void run_test(enum vm_guest_mode mode, void *arg) guest_num_pages = (nr_vcpus * guest_percpu_mem_size) >> vm_get_page_shift(vm); guest_num_pages = vm_adjust_num_guest_pages(mode, guest_num_pages); host_num_pages = vm_num_host_pages(mode, guest_num_pages); - bmap = bitmap_zalloc(host_num_pages); + pages_per_slot = host_num_pages / p->slots; + + bitmaps = alloc_bitmaps(p->slots, pages_per_slot); if (dirty_log_manual_caps) { cap.cap = KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2; @@ -239,7 +263,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) iteration, ts_diff.tv_sec, ts_diff.tv_nsec); clock_gettime(CLOCK_MONOTONIC, &start); - get_dirty_log(vm, p->slots, bmap, host_num_pages); + get_dirty_log(vm, bitmaps, p->slots); ts_diff = timespec_elapsed(start); get_dirty_log_total = timespec_add(get_dirty_log_total, ts_diff); @@ -248,7 +272,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) if (dirty_log_manual_caps) { clock_gettime(CLOCK_MONOTONIC, &start); - clear_dirty_log(vm, p->slots, bmap, host_num_pages); + clear_dirty_log(vm, bitmaps, p->slots, pages_per_slot); ts_diff = timespec_elapsed(start); clear_dirty_log_total = timespec_add(clear_dirty_log_total, ts_diff); @@ -281,7 +305,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) clear_dirty_log_total.tv_nsec, avg.tv_sec, avg.tv_nsec); } - free(bmap); + free_bitmaps(bitmaps, p->slots); free(vcpu_threads); perf_test_destroy_vm(vm); } @@ -308,11 +332,9 @@ static void help(char *name) printf(" -v: specify the number of vCPUs to run.\n"); printf(" -o: Overlap guest memory accesses instead of partitioning\n" " them into a separate region of memory for each vCPU.\n"); - printf(" -s: specify the type of memory that should be used to\n" - " back the guest data region.\n\n"); + backing_src_help("-s"); printf(" -x: Split the memory region into this number of memslots.\n" - " (default: 1)"); - backing_src_help(); + " (default: 1)\n"); puts(""); exit(0); } @@ -324,7 +346,7 @@ int main(int argc, char *argv[]) .iterations = TEST_HOST_LOOP_N, .wr_fract = 1, .partition_vcpu_memory_access = true, - .backing_src = VM_MEM_SRC_ANONYMOUS, + .backing_src = DEFAULT_VM_MEM_SRC, .slots = 1, }; int opt; diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h index d79be15dd3d2..f8fddc84c0d3 100644 --- a/tools/testing/selftests/kvm/include/test_util.h +++ b/tools/testing/selftests/kvm/include/test_util.h @@ -90,18 +90,23 @@ enum vm_mem_backing_src_type { NUM_SRC_TYPES, }; +#define DEFAULT_VM_MEM_SRC VM_MEM_SRC_ANONYMOUS + struct vm_mem_backing_src_alias { const char *name; uint32_t flag; }; +#define MIN_RUN_DELAY_NS 200000UL + bool thp_configured(void); size_t get_trans_hugepagesz(void); size_t get_def_hugetlb_pagesz(void); const struct vm_mem_backing_src_alias *vm_mem_backing_src_alias(uint32_t i); size_t get_backing_src_pagesz(uint32_t i); -void backing_src_help(void); +void backing_src_help(const char *flag); enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name); +long get_run_delay(void); /* * Whether or not the given source type is shared memory (as opposed to diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 242ae8e09a65..05e65ca1c30c 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -312,37 +312,37 @@ static inline void set_xmm(int n, unsigned long val) } } -typedef unsigned long v1di __attribute__ ((vector_size (8))); +#define GET_XMM(__xmm) \ +({ \ + unsigned long __val; \ + asm volatile("movq %%"#__xmm", %0" : "=r"(__val)); \ + __val; \ +}) + static inline unsigned long get_xmm(int n) { assert(n >= 0 && n <= 7); - register v1di xmm0 __asm__("%xmm0"); - register v1di xmm1 __asm__("%xmm1"); - register v1di xmm2 __asm__("%xmm2"); - register v1di xmm3 __asm__("%xmm3"); - register v1di xmm4 __asm__("%xmm4"); - register v1di xmm5 __asm__("%xmm5"); - register v1di xmm6 __asm__("%xmm6"); - register v1di xmm7 __asm__("%xmm7"); switch (n) { case 0: - return (unsigned long)xmm0; + return GET_XMM(xmm0); case 1: - return (unsigned long)xmm1; + return GET_XMM(xmm1); case 2: - return (unsigned long)xmm2; + return GET_XMM(xmm2); case 3: - return (unsigned long)xmm3; + return GET_XMM(xmm3); case 4: - return (unsigned long)xmm4; + return GET_XMM(xmm4); case 5: - return (unsigned long)xmm5; + return GET_XMM(xmm5); case 6: - return (unsigned long)xmm6; + return GET_XMM(xmm6); case 7: - return (unsigned long)xmm7; + return GET_XMM(xmm7); } + + /* never reached */ return 0; } diff --git a/tools/testing/selftests/kvm/kvm_page_table_test.c b/tools/testing/selftests/kvm/kvm_page_table_test.c index 0d04a7db7f24..36407cb0ec85 100644 --- a/tools/testing/selftests/kvm/kvm_page_table_test.c +++ b/tools/testing/selftests/kvm/kvm_page_table_test.c @@ -456,10 +456,7 @@ static void help(char *name) " (default: 1G)\n"); printf(" -v: specify the number of vCPUs to run\n" " (default: 1)\n"); - printf(" -s: specify the type of memory that should be used to\n" - " back the guest data region.\n" - " (default: anonymous)\n\n"); - backing_src_help(); + backing_src_help("-s"); puts(""); } @@ -468,7 +465,7 @@ int main(int argc, char *argv[]) int max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS); struct test_params p = { .test_mem_size = DEFAULT_TEST_MEM_SIZE, - .src_type = VM_MEM_SRC_ANONYMOUS, + .src_type = DEFAULT_VM_MEM_SRC, }; int opt; diff --git a/tools/testing/selftests/kvm/lib/test_util.c b/tools/testing/selftests/kvm/lib/test_util.c index af1031fed97f..b72429108993 100644 --- a/tools/testing/selftests/kvm/lib/test_util.c +++ b/tools/testing/selftests/kvm/lib/test_util.c @@ -11,6 +11,7 @@ #include <stdlib.h> #include <time.h> #include <sys/stat.h> +#include <sys/syscall.h> #include <linux/mman.h> #include "linux/kernel.h" @@ -129,13 +130,16 @@ size_t get_trans_hugepagesz(void) { size_t size; FILE *f; + int ret; TEST_ASSERT(thp_configured(), "THP is not configured in host kernel"); f = fopen("/sys/kernel/mm/transparent_hugepage/hpage_pmd_size", "r"); TEST_ASSERT(f != NULL, "Error in opening transparent_hugepage/hpage_pmd_size"); - fscanf(f, "%ld", &size); + ret = fscanf(f, "%ld", &size); + ret = fscanf(f, "%ld", &size); + TEST_ASSERT(ret < 1, "Error reading transparent_hugepage/hpage_pmd_size"); fclose(f); return size; @@ -279,13 +283,22 @@ size_t get_backing_src_pagesz(uint32_t i) } } -void backing_src_help(void) +static void print_available_backing_src_types(const char *prefix) { int i; - printf("Available backing src types:\n"); + printf("%sAvailable backing src types:\n", prefix); + for (i = 0; i < NUM_SRC_TYPES; i++) - printf("\t%s\n", vm_mem_backing_src_alias(i)->name); + printf("%s %s\n", prefix, vm_mem_backing_src_alias(i)->name); +} + +void backing_src_help(const char *flag) +{ + printf(" %s: specify the type of memory that should be used to\n" + " back the guest data region. (default: %s)\n", + flag, vm_mem_backing_src_alias(DEFAULT_VM_MEM_SRC)->name); + print_available_backing_src_types(" "); } enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name) @@ -296,7 +309,23 @@ enum vm_mem_backing_src_type parse_backing_src_type(const char *type_name) if (!strcmp(type_name, vm_mem_backing_src_alias(i)->name)) return i; - backing_src_help(); + print_available_backing_src_types(""); TEST_FAIL("Unknown backing src type: %s", type_name); return -1; } + +long get_run_delay(void) +{ + char path[64]; + long val[2]; + FILE *fp; + + sprintf(path, "/proc/%ld/schedstat", syscall(SYS_gettid)); + fp = fopen(path, "r"); + /* Return MIN_RUN_DELAY_NS upon failure just to be safe */ + if (fscanf(fp, "%ld %ld ", &val[0], &val[1]) < 2) + val[1] = MIN_RUN_DELAY_NS; + fclose(fp); + + return val[1]; +} diff --git a/tools/testing/selftests/kvm/rseq_test.c b/tools/testing/selftests/kvm/rseq_test.c new file mode 100644 index 000000000000..4158da0da2bb --- /dev/null +++ b/tools/testing/selftests/kvm/rseq_test.c @@ -0,0 +1,286 @@ +// SPDX-License-Identifier: GPL-2.0-only +#define _GNU_SOURCE /* for program_invocation_short_name */ +#include <errno.h> +#include <fcntl.h> +#include <pthread.h> +#include <sched.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> +#include <syscall.h> +#include <sys/ioctl.h> +#include <sys/sysinfo.h> +#include <asm/barrier.h> +#include <linux/atomic.h> +#include <linux/rseq.h> +#include <linux/unistd.h> + +#include "kvm_util.h" +#include "processor.h" +#include "test_util.h" + +#define VCPU_ID 0 + +static __thread volatile struct rseq __rseq = { + .cpu_id = RSEQ_CPU_ID_UNINITIALIZED, +}; + +/* + * Use an arbitrary, bogus signature for configuring rseq, this test does not + * actually enter an rseq critical section. + */ +#define RSEQ_SIG 0xdeadbeef + +/* + * Any bug related to task migration is likely to be timing-dependent; perform + * a large number of migrations to reduce the odds of a false negative. + */ +#define NR_TASK_MIGRATIONS 100000 + +static pthread_t migration_thread; +static cpu_set_t possible_mask; +static int min_cpu, max_cpu; +static bool done; + +static atomic_t seq_cnt; + +static void guest_code(void) +{ + for (;;) + GUEST_SYNC(0); +} + +static void sys_rseq(int flags) +{ + int r; + + r = syscall(__NR_rseq, &__rseq, sizeof(__rseq), flags, RSEQ_SIG); + TEST_ASSERT(!r, "rseq failed, errno = %d (%s)", errno, strerror(errno)); +} + +static int next_cpu(int cpu) +{ + /* + * Advance to the next CPU, skipping those that weren't in the original + * affinity set. Sadly, there is no CPU_SET_FOR_EACH, and cpu_set_t's + * data storage is considered as opaque. Note, if this task is pinned + * to a small set of discontigous CPUs, e.g. 2 and 1023, this loop will + * burn a lot cycles and the test will take longer than normal to + * complete. + */ + do { + cpu++; + if (cpu > max_cpu) { + cpu = min_cpu; + TEST_ASSERT(CPU_ISSET(cpu, &possible_mask), + "Min CPU = %d must always be usable", cpu); + break; + } + } while (!CPU_ISSET(cpu, &possible_mask)); + + return cpu; +} + +static void *migration_worker(void *ign) +{ + cpu_set_t allowed_mask; + int r, i, cpu; + + CPU_ZERO(&allowed_mask); + + for (i = 0, cpu = min_cpu; i < NR_TASK_MIGRATIONS; i++, cpu = next_cpu(cpu)) { + CPU_SET(cpu, &allowed_mask); + + /* + * Bump the sequence count twice to allow the reader to detect + * that a migration may have occurred in between rseq and sched + * CPU ID reads. An odd sequence count indicates a migration + * is in-progress, while a completely different count indicates + * a migration occurred since the count was last read. + */ + atomic_inc(&seq_cnt); + + /* + * Ensure the odd count is visible while sched_getcpu() isn't + * stable, i.e. while changing affinity is in-progress. + */ + smp_wmb(); + r = sched_setaffinity(0, sizeof(allowed_mask), &allowed_mask); + TEST_ASSERT(!r, "sched_setaffinity failed, errno = %d (%s)", + errno, strerror(errno)); + smp_wmb(); + atomic_inc(&seq_cnt); + + CPU_CLR(cpu, &allowed_mask); + + /* + * Wait 1-10us before proceeding to the next iteration and more + * specifically, before bumping seq_cnt again. A delay is + * needed on three fronts: + * + * 1. To allow sched_setaffinity() to prompt migration before + * ioctl(KVM_RUN) enters the guest so that TIF_NOTIFY_RESUME + * (or TIF_NEED_RESCHED, which indirectly leads to handling + * NOTIFY_RESUME) is handled in KVM context. + * + * If NOTIFY_RESUME/NEED_RESCHED is set after KVM enters + * the guest, the guest will trigger a IO/MMIO exit all the + * way to userspace and the TIF flags will be handled by + * the generic "exit to userspace" logic, not by KVM. The + * exit to userspace is necessary to give the test a chance + * to check the rseq CPU ID (see #2). + * + * Alternatively, guest_code() could include an instruction + * to trigger an exit that is handled by KVM, but any such + * exit requires architecture specific code. + * + * 2. To let ioctl(KVM_RUN) make its way back to the test + * before the next round of migration. The test's check on + * the rseq CPU ID must wait for migration to complete in + * order to avoid false positive, thus any kernel rseq bug + * will be missed if the next migration starts before the + * check completes. + * + * 3. To ensure the read-side makes efficient forward progress, + * e.g. if sched_getcpu() involves a syscall. Stalling the + * read-side means the test will spend more time waiting for + * sched_getcpu() to stabilize and less time trying to hit + * the timing-dependent bug. + * + * Because any bug in this area is likely to be timing-dependent, + * run with a range of delays at 1us intervals from 1us to 10us + * as a best effort to avoid tuning the test to the point where + * it can hit _only_ the original bug and not detect future + * regressions. + * + * The original bug can reproduce with a delay up to ~500us on + * x86-64, but starts to require more iterations to reproduce + * as the delay creeps above ~10us, and the average runtime of + * each iteration obviously increases as well. Cap the delay + * at 10us to keep test runtime reasonable while minimizing + * potential coverage loss. + * + * The lower bound for reproducing the bug is likely below 1us, + * e.g. failures occur on x86-64 with nanosleep(0), but at that + * point the overhead of the syscall likely dominates the delay. + * Use usleep() for simplicity and to avoid unnecessary kernel + * dependencies. + */ + usleep((i % 10) + 1); + } + done = true; + return NULL; +} + +static int calc_min_max_cpu(void) +{ + int i, cnt, nproc; + + if (CPU_COUNT(&possible_mask) < 2) + return -EINVAL; + + /* + * CPU_SET doesn't provide a FOR_EACH helper, get the min/max CPU that + * this task is affined to in order to reduce the time spent querying + * unusable CPUs, e.g. if this task is pinned to a small percentage of + * total CPUs. + */ + nproc = get_nprocs_conf(); + min_cpu = -1; + max_cpu = -1; + cnt = 0; + + for (i = 0; i < nproc; i++) { + if (!CPU_ISSET(i, &possible_mask)) + continue; + if (min_cpu == -1) + min_cpu = i; + max_cpu = i; + cnt++; + } + + return (cnt < 2) ? -EINVAL : 0; +} + +int main(int argc, char *argv[]) +{ + int r, i, snapshot; + struct kvm_vm *vm; + u32 cpu, rseq_cpu; + + /* Tell stdout not to buffer its content */ + setbuf(stdout, NULL); + + r = sched_getaffinity(0, sizeof(possible_mask), &possible_mask); + TEST_ASSERT(!r, "sched_getaffinity failed, errno = %d (%s)", errno, + strerror(errno)); + + if (calc_min_max_cpu()) { + print_skip("Only one usable CPU, task migration not possible"); + exit(KSFT_SKIP); + } + + sys_rseq(0); + + /* + * Create and run a dummy VM that immediately exits to userspace via + * GUEST_SYNC, while concurrently migrating the process by setting its + * CPU affinity. + */ + vm = vm_create_default(VCPU_ID, 0, guest_code); + ucall_init(vm, NULL); + + pthread_create(&migration_thread, NULL, migration_worker, 0); + + for (i = 0; !done; i++) { + vcpu_run(vm, VCPU_ID); + TEST_ASSERT(get_ucall(vm, VCPU_ID, NULL) == UCALL_SYNC, + "Guest failed?"); + + /* + * Verify rseq's CPU matches sched's CPU. Ensure migration + * doesn't occur between sched_getcpu() and reading the rseq + * cpu_id by rereading both if the sequence count changes, or + * if the count is odd (migration in-progress). + */ + do { + /* + * Drop bit 0 to force a mismatch if the count is odd, + * i.e. if a migration is in-progress. + */ + snapshot = atomic_read(&seq_cnt) & ~1; + + /* + * Ensure reading sched_getcpu() and rseq.cpu_id + * complete in a single "no migration" window, i.e. are + * not reordered across the seq_cnt reads. + */ + smp_rmb(); + cpu = sched_getcpu(); + rseq_cpu = READ_ONCE(__rseq.cpu_id); + smp_rmb(); + } while (snapshot != atomic_read(&seq_cnt)); + + TEST_ASSERT(rseq_cpu == cpu, + "rseq CPU = %d, sched CPU = %d\n", rseq_cpu, cpu); + } + + /* + * Sanity check that the test was able to enter the guest a reasonable + * number of times, e.g. didn't get stalled too often/long waiting for + * sched_getcpu() to stabilize. A 2:1 migration:KVM_RUN ratio is a + * fairly conservative ratio on x86-64, which can do _more_ KVM_RUNs + * than migrations given the 1us+ delay in the migration task. + */ + TEST_ASSERT(i > (NR_TASK_MIGRATIONS / 2), + "Only performed %d KVM_RUNs, task stalled too much?\n", i); + + pthread_join(migration_thread, NULL); + + kvm_vm_free(vm); + + sys_rseq(RSEQ_FLAG_UNREGISTER); + + return 0; +} diff --git a/tools/testing/selftests/kvm/steal_time.c b/tools/testing/selftests/kvm/steal_time.c index ecec30865a74..62f2eb9ee3d5 100644 --- a/tools/testing/selftests/kvm/steal_time.c +++ b/tools/testing/selftests/kvm/steal_time.c @@ -10,7 +10,6 @@ #include <sched.h> #include <pthread.h> #include <linux/kernel.h> -#include <sys/syscall.h> #include <asm/kvm.h> #include <asm/kvm_para.h> @@ -20,7 +19,6 @@ #define NR_VCPUS 4 #define ST_GPA_BASE (1 << 30) -#define MIN_RUN_DELAY_NS 200000UL static void *st_gva[NR_VCPUS]; static uint64_t guest_stolen_time[NR_VCPUS]; @@ -118,12 +116,12 @@ struct st_time { uint64_t st_time; }; -static int64_t smccc(uint32_t func, uint32_t arg) +static int64_t smccc(uint32_t func, uint64_t arg) { unsigned long ret; asm volatile( - "mov x0, %1\n" + "mov w0, %w1\n" "mov x1, %2\n" "hvc #0\n" "mov %0, x0\n" @@ -217,20 +215,6 @@ static void steal_time_dump(struct kvm_vm *vm, uint32_t vcpuid) #endif -static long get_run_delay(void) -{ - char path[64]; - long val[2]; - FILE *fp; - - sprintf(path, "/proc/%ld/schedstat", syscall(SYS_gettid)); - fp = fopen(path, "r"); - fscanf(fp, "%ld %ld ", &val[0], &val[1]); - fclose(fp); - - return val[1]; -} - static void *do_steal_time(void *arg) { struct timespec ts, stop; diff --git a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c index e6480fd5c4bd..8039e1eff938 100644 --- a/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c +++ b/tools/testing/selftests/kvm/x86_64/mmio_warning_test.c @@ -82,7 +82,8 @@ int get_warnings_count(void) FILE *f; f = popen("dmesg | grep \"WARNING:\" | wc -l", "r"); - fscanf(f, "%d", &warnings); + if (fscanf(f, "%d", &warnings) < 1) + warnings = 0; fclose(f); return warnings; diff --git a/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c b/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c new file mode 100644 index 000000000000..df04f56ce859 --- /dev/null +++ b/tools/testing/selftests/kvm/x86_64/svm_int_ctl_test.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * svm_int_ctl_test + * + * Copyright (C) 2021, Red Hat, Inc. + * + * Nested SVM testing: test simultaneous use of V_IRQ from L1 and L0. + */ + +#include "test_util.h" +#include "kvm_util.h" +#include "processor.h" +#include "svm_util.h" +#include "apic.h" + +#define VCPU_ID 0 + +static struct kvm_vm *vm; + +bool vintr_irq_called; +bool intr_irq_called; + +#define VINTR_IRQ_NUMBER 0x20 +#define INTR_IRQ_NUMBER 0x30 + +static void vintr_irq_handler(struct ex_regs *regs) +{ + vintr_irq_called = true; +} + +static void intr_irq_handler(struct ex_regs *regs) +{ + x2apic_write_reg(APIC_EOI, 0x00); + intr_irq_called = true; +} + +static void l2_guest_code(struct svm_test_data *svm) +{ + /* This code raises interrupt INTR_IRQ_NUMBER in the L1's LAPIC, + * and since L1 didn't enable virtual interrupt masking, + * L2 should receive it and not L1. + * + * L2 also has virtual interrupt 'VINTR_IRQ_NUMBER' pending in V_IRQ + * so it should also receive it after the following 'sti'. + */ + x2apic_write_reg(APIC_ICR, + APIC_DEST_SELF | APIC_INT_ASSERT | INTR_IRQ_NUMBER); + + __asm__ __volatile__( + "sti\n" + "nop\n" + ); + + GUEST_ASSERT(vintr_irq_called); + GUEST_ASSERT(intr_irq_called); + + __asm__ __volatile__( + "vmcall\n" + ); +} + +static void l1_guest_code(struct svm_test_data *svm) +{ + #define L2_GUEST_STACK_SIZE 64 + unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE]; + struct vmcb *vmcb = svm->vmcb; + + x2apic_enable(); + + /* Prepare for L2 execution. */ + generic_svm_setup(svm, l2_guest_code, + &l2_guest_stack[L2_GUEST_STACK_SIZE]); + + /* No virtual interrupt masking */ + vmcb->control.int_ctl &= ~V_INTR_MASKING_MASK; + + /* No intercepts for real and virtual interrupts */ + vmcb->control.intercept &= ~(1ULL << INTERCEPT_INTR | INTERCEPT_VINTR); + + /* Make a virtual interrupt VINTR_IRQ_NUMBER pending */ + vmcb->control.int_ctl |= V_IRQ_MASK | (0x1 << V_INTR_PRIO_SHIFT); + vmcb->control.int_vector = VINTR_IRQ_NUMBER; + + run_guest(vmcb, svm->vmcb_gpa); + GUEST_ASSERT(vmcb->control.exit_code == SVM_EXIT_VMMCALL); + GUEST_DONE(); +} + +int main(int argc, char *argv[]) +{ + vm_vaddr_t svm_gva; + + nested_svm_check_supported(); + + vm = vm_create_default(VCPU_ID, 0, (void *) l1_guest_code); + + vm_init_descriptor_tables(vm); + vcpu_init_descriptor_tables(vm, VCPU_ID); + + vm_install_exception_handler(vm, VINTR_IRQ_NUMBER, vintr_irq_handler); + vm_install_exception_handler(vm, INTR_IRQ_NUMBER, intr_irq_handler); + + vcpu_alloc_svm(vm, &svm_gva); + vcpu_args_set(vm, VCPU_ID, 1, svm_gva); + + struct kvm_run *run = vcpu_state(vm, VCPU_ID); + struct ucall uc; + + vcpu_run(vm, VCPU_ID); + TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, + "Got exit_reason other than KVM_EXIT_IO: %u (%s)\n", + run->exit_reason, + exit_reason_str(run->exit_reason)); + + switch (get_ucall(vm, VCPU_ID, &uc)) { + case UCALL_ABORT: + TEST_FAIL("%s", (const char *)uc.args[0]); + break; + /* NOT REACHED */ + case UCALL_DONE: + goto done; + default: + TEST_FAIL("Unknown ucall 0x%lx.", uc.cmd); + } +done: + kvm_vm_free(vm); + return 0; +} diff --git a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c index 117bf49a3d79..eda0d2a51224 100644 --- a/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c +++ b/tools/testing/selftests/kvm/x86_64/xen_shinfo_test.c @@ -14,7 +14,6 @@ #include <stdint.h> #include <time.h> #include <sched.h> -#include <sys/syscall.h> #define VCPU_ID 5 @@ -98,20 +97,6 @@ static void guest_code(void) GUEST_DONE(); } -static long get_run_delay(void) -{ - char path[64]; - long val[2]; - FILE *fp; - - sprintf(path, "/proc/%ld/schedstat", syscall(SYS_gettid)); - fp = fopen(path, "r"); - fscanf(fp, "%ld %ld ", &val[0], &val[1]); - fclose(fp); - - return val[1]; -} - static int cmp_timespec(struct timespec *a, struct timespec *b) { if (a->tv_sec > b->tv_sec) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index fa2ac0e56b43..fe7ee2b0f29c 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -48,6 +48,7 @@ ARCH ?= $(SUBARCH) # When local build is done, headers are installed in the default # INSTALL_HDR_PATH usr/include. .PHONY: khdr +.NOTPARALLEL: khdr: ifndef KSFT_KHDR_INSTALL_DONE ifeq (1,$(DEFAULT_INSTALL_HDR_PATH)) diff --git a/tools/testing/selftests/nci/nci_dev.c b/tools/testing/selftests/nci/nci_dev.c index e1bf55dabdf6..162c41e9bcae 100644 --- a/tools/testing/selftests/nci/nci_dev.c +++ b/tools/testing/selftests/nci/nci_dev.c @@ -746,7 +746,7 @@ int read_write_nci_cmd(int nfc_sock, int virtual_fd, const __u8 *cmd, __u32 cmd_ const __u8 *rsp, __u32 rsp_len) { char buf[256]; - unsigned int len; + int len; send(nfc_sock, &cmd[3], cmd_len - 3, 0); len = read(virtual_fd, buf, cmd_len); diff --git a/tools/testing/selftests/net/af_unix/Makefile b/tools/testing/selftests/net/af_unix/Makefile index cfc7f4f97fd1..df341648f818 100644 --- a/tools/testing/selftests/net/af_unix/Makefile +++ b/tools/testing/selftests/net/af_unix/Makefile @@ -1,5 +1,2 @@ -##TEST_GEN_FILES := test_unix_oob -TEST_PROGS := test_unix_oob +TEST_GEN_PROGS := test_unix_oob include ../../lib.mk - -all: $(TEST_PROGS) diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c b/tools/testing/selftests/net/af_unix/test_unix_oob.c index 0f3e3763f4f8..3dece8b29253 100644 --- a/tools/testing/selftests/net/af_unix/test_unix_oob.c +++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c @@ -271,8 +271,9 @@ main(int argc, char **argv) read_oob(pfd, &oob); if (!signal_recvd || len != 127 || oob != '%' || atmark != 1) { - fprintf(stderr, "Test 3 failed, sigurg %d len %d OOB %c ", - "atmark %d\n", signal_recvd, len, oob, atmark); + fprintf(stderr, + "Test 3 failed, sigurg %d len %d OOB %c atmark %d\n", + signal_recvd, len, oob, atmark); die(1); } diff --git a/tools/testing/selftests/net/altnames.sh b/tools/testing/selftests/net/altnames.sh index 4254ddc3f70b..1ef9e4159bba 100755 --- a/tools/testing/selftests/net/altnames.sh +++ b/tools/testing/selftests/net/altnames.sh @@ -45,7 +45,7 @@ altnames_test() check_err $? "Got unexpected long alternative name from link show JSON" ip link property del $DUMMY_DEV altname $SHORT_NAME - check_err $? "Failed to add short alternative name" + check_err $? "Failed to delete short alternative name" ip -j -p link show $SHORT_NAME &>/dev/null check_fail $? "Unexpected success while trying to do link show with deleted short alternative name" diff --git a/tools/testing/selftests/netfilter/nft_nat_zones.sh b/tools/testing/selftests/netfilter/nft_nat_zones.sh new file mode 100755 index 000000000000..b9ab37380f33 --- /dev/null +++ b/tools/testing/selftests/netfilter/nft_nat_zones.sh @@ -0,0 +1,309 @@ +#!/bin/bash +# +# Test connection tracking zone and NAT source port reallocation support. +# + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +# Don't increase too much, 2000 clients should work +# just fine but script can then take several minutes with +# KASAN/debug builds. +maxclients=100 + +have_iperf=1 +ret=0 + +# client1---. +# veth1-. +# | +# NAT Gateway --veth0--> Server +# | | +# veth2-' | +# client2---' | +# .... | +# clientX----vethX---' + +# All clients share identical IP address. +# NAT Gateway uses policy routing and conntrack zones to isolate client +# namespaces. Each client connects to Server, each with colliding tuples: +# clientsaddr:10000 -> serveraddr:dport +# NAT Gateway is supposed to do port reallocation for each of the +# connections. + +sfx=$(mktemp -u "XXXXXXXX") +gw="ns-gw-$sfx" +cl1="ns-cl1-$sfx" +cl2="ns-cl2-$sfx" +srv="ns-srv-$sfx" + +v4gc1=$(sysctl -n net.ipv4.neigh.default.gc_thresh1 2>/dev/null) +v4gc2=$(sysctl -n net.ipv4.neigh.default.gc_thresh2 2>/dev/null) +v4gc3=$(sysctl -n net.ipv4.neigh.default.gc_thresh3 2>/dev/null) +v6gc1=$(sysctl -n net.ipv6.neigh.default.gc_thresh1 2>/dev/null) +v6gc2=$(sysctl -n net.ipv6.neigh.default.gc_thresh2 2>/dev/null) +v6gc3=$(sysctl -n net.ipv6.neigh.default.gc_thresh3 2>/dev/null) + +cleanup() +{ + ip netns del $gw + ip netns del $srv + for i in $(seq 1 $maxclients); do + ip netns del ns-cl$i-$sfx 2>/dev/null + done + + sysctl -q net.ipv4.neigh.default.gc_thresh1=$v4gc1 2>/dev/null + sysctl -q net.ipv4.neigh.default.gc_thresh2=$v4gc2 2>/dev/null + sysctl -q net.ipv4.neigh.default.gc_thresh3=$v4gc3 2>/dev/null + sysctl -q net.ipv6.neigh.default.gc_thresh1=$v6gc1 2>/dev/null + sysctl -q net.ipv6.neigh.default.gc_thresh2=$v6gc2 2>/dev/null + sysctl -q net.ipv6.neigh.default.gc_thresh3=$v6gc3 2>/dev/null +} + +nft --version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without nft tool" + exit $ksft_skip +fi + +ip -Version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without ip tool" + exit $ksft_skip +fi + +conntrack -V > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without conntrack tool" + exit $ksft_skip +fi + +iperf3 -v >/dev/null 2>&1 +if [ $? -ne 0 ];then + have_iperf=0 +fi + +ip netns add "$gw" +if [ $? -ne 0 ];then + echo "SKIP: Could not create net namespace $gw" + exit $ksft_skip +fi +ip -net "$gw" link set lo up + +trap cleanup EXIT + +ip netns add "$srv" +if [ $? -ne 0 ];then + echo "SKIP: Could not create server netns $srv" + exit $ksft_skip +fi + +ip link add veth0 netns "$gw" type veth peer name eth0 netns "$srv" +ip -net "$gw" link set veth0 up +ip -net "$srv" link set lo up +ip -net "$srv" link set eth0 up + +sysctl -q net.ipv6.neigh.default.gc_thresh1=512 2>/dev/null +sysctl -q net.ipv6.neigh.default.gc_thresh2=1024 2>/dev/null +sysctl -q net.ipv6.neigh.default.gc_thresh3=4096 2>/dev/null +sysctl -q net.ipv4.neigh.default.gc_thresh1=512 2>/dev/null +sysctl -q net.ipv4.neigh.default.gc_thresh2=1024 2>/dev/null +sysctl -q net.ipv4.neigh.default.gc_thresh3=4096 2>/dev/null + +for i in $(seq 1 $maxclients);do + cl="ns-cl$i-$sfx" + + ip netns add "$cl" + if [ $? -ne 0 ];then + echo "SKIP: Could not create client netns $cl" + exit $ksft_skip + fi + ip link add veth$i netns "$gw" type veth peer name eth0 netns "$cl" > /dev/null 2>&1 + if [ $? -ne 0 ];then + echo "SKIP: No virtual ethernet pair device support in kernel" + exit $ksft_skip + fi +done + +for i in $(seq 1 $maxclients);do + cl="ns-cl$i-$sfx" + echo netns exec "$cl" ip link set lo up + echo netns exec "$cl" ip link set eth0 up + echo netns exec "$cl" sysctl -q net.ipv4.tcp_syn_retries=2 + echo netns exec "$gw" ip link set veth$i up + echo netns exec "$gw" sysctl -q net.ipv4.conf.veth$i.arp_ignore=2 + echo netns exec "$gw" sysctl -q net.ipv4.conf.veth$i.rp_filter=0 + + # clients have same IP addresses. + echo netns exec "$cl" ip addr add 10.1.0.3/24 dev eth0 + echo netns exec "$cl" ip addr add dead:1::3/64 dev eth0 + echo netns exec "$cl" ip route add default via 10.1.0.2 dev eth0 + echo netns exec "$cl" ip route add default via dead:1::2 dev eth0 + + # NB: same addresses on client-facing interfaces. + echo netns exec "$gw" ip addr add 10.1.0.2/24 dev veth$i + echo netns exec "$gw" ip addr add dead:1::2/64 dev veth$i + + # gw: policy routing + echo netns exec "$gw" ip route add 10.1.0.0/24 dev veth$i table $((1000+i)) + echo netns exec "$gw" ip route add dead:1::0/64 dev veth$i table $((1000+i)) + echo netns exec "$gw" ip route add 10.3.0.0/24 dev veth0 table $((1000+i)) + echo netns exec "$gw" ip route add dead:3::0/64 dev veth0 table $((1000+i)) + echo netns exec "$gw" ip rule add fwmark $i lookup $((1000+i)) +done | ip -batch /dev/stdin + +ip -net "$gw" addr add 10.3.0.1/24 dev veth0 +ip -net "$gw" addr add dead:3::1/64 dev veth0 + +ip -net "$srv" addr add 10.3.0.99/24 dev eth0 +ip -net "$srv" addr add dead:3::99/64 dev eth0 + +ip netns exec $gw nft -f /dev/stdin<<EOF +table inet raw { + map iiftomark { + type ifname : mark + } + + map iiftozone { + typeof iifname : ct zone + } + + set inicmp { + flags dynamic + type ipv4_addr . ifname . ipv4_addr + } + set inflows { + flags dynamic + type ipv4_addr . inet_service . ifname . ipv4_addr . inet_service + } + + set inflows6 { + flags dynamic + type ipv6_addr . inet_service . ifname . ipv6_addr . inet_service + } + + chain prerouting { + type filter hook prerouting priority -64000; policy accept; + ct original zone set meta iifname map @iiftozone + meta mark set meta iifname map @iiftomark + + tcp flags & (syn|ack) == ack add @inflows { ip saddr . tcp sport . meta iifname . ip daddr . tcp dport counter } + add @inflows6 { ip6 saddr . tcp sport . meta iifname . ip6 daddr . tcp dport counter } + ip protocol icmp add @inicmp { ip saddr . meta iifname . ip daddr counter } + } + + chain nat_postrouting { + type nat hook postrouting priority 0; policy accept; + ct mark set meta mark meta oifname veth0 masquerade + } + + chain mangle_prerouting { + type filter hook prerouting priority -100; policy accept; + ct direction reply meta mark set ct mark + } +} +EOF + +( echo add element inet raw iiftomark \{ + for i in $(seq 1 $((maxclients-1))); do + echo \"veth$i\" : $i, + done + echo \"veth$maxclients\" : $maxclients \} + echo add element inet raw iiftozone \{ + for i in $(seq 1 $((maxclients-1))); do + echo \"veth$i\" : $i, + done + echo \"veth$maxclients\" : $maxclients \} +) | ip netns exec $gw nft -f /dev/stdin + +ip netns exec "$gw" sysctl -q net.ipv4.conf.all.forwarding=1 > /dev/null +ip netns exec "$gw" sysctl -q net.ipv6.conf.all.forwarding=1 > /dev/null +ip netns exec "$gw" sysctl -q net.ipv4.conf.all.rp_filter=0 >/dev/null + +# useful for debugging: allows to use 'ping' from clients to gateway. +ip netns exec "$gw" sysctl -q net.ipv4.fwmark_reflect=1 > /dev/null +ip netns exec "$gw" sysctl -q net.ipv6.fwmark_reflect=1 > /dev/null + +for i in $(seq 1 $maxclients); do + cl="ns-cl$i-$sfx" + ip netns exec $cl ping -i 0.5 -q -c 3 10.3.0.99 > /dev/null 2>&1 & + if [ $? -ne 0 ]; then + echo FAIL: Ping failure from $cl 1>&2 + ret=1 + break + fi +done + +wait + +for i in $(seq 1 $maxclients); do + ip netns exec $gw nft get element inet raw inicmp "{ 10.1.0.3 . \"veth$i\" . 10.3.0.99 }" | grep -q "{ 10.1.0.3 . \"veth$i\" . 10.3.0.99 counter packets 3 bytes 252 }" + if [ $? -ne 0 ];then + ret=1 + echo "FAIL: counter icmp mismatch for veth$i" 1>&2 + ip netns exec $gw nft get element inet raw inicmp "{ 10.1.0.3 . \"veth$i\" . 10.3.0.99 }" 1>&2 + break + fi +done + +ip netns exec $gw nft get element inet raw inicmp "{ 10.3.0.99 . \"veth0\" . 10.3.0.1 }" | grep -q "{ 10.3.0.99 . \"veth0\" . 10.3.0.1 counter packets $((3 * $maxclients)) bytes $((252 * $maxclients)) }" +if [ $? -ne 0 ];then + ret=1 + echo "FAIL: counter icmp mismatch for veth0: { 10.3.0.99 . \"veth0\" . 10.3.0.1 counter packets $((3 * $maxclients)) bytes $((252 * $maxclients)) }" + ip netns exec $gw nft get element inet raw inicmp "{ 10.3.99 . \"veth0\" . 10.3.0.1 }" 1>&2 +fi + +if [ $ret -eq 0 ]; then + echo "PASS: ping test from all $maxclients namespaces" +fi + +if [ $have_iperf -eq 0 ];then + echo "SKIP: iperf3 not installed" + if [ $ret -ne 0 ];then + exit $ret + fi + exit $ksft_skip +fi + +ip netns exec $srv iperf3 -s > /dev/null 2>&1 & +iperfpid=$! +sleep 1 + +for i in $(seq 1 $maxclients); do + if [ $ret -ne 0 ]; then + break + fi + cl="ns-cl$i-$sfx" + ip netns exec $cl iperf3 -c 10.3.0.99 --cport 10000 -n 1 > /dev/null + if [ $? -ne 0 ]; then + echo FAIL: Failure to connect for $cl 1>&2 + ip netns exec $gw conntrack -S 1>&2 + ret=1 + fi +done +if [ $ret -eq 0 ];then + echo "PASS: iperf3 connections for all $maxclients net namespaces" +fi + +kill $iperfpid +wait + +for i in $(seq 1 $maxclients); do + ip netns exec $gw nft get element inet raw inflows "{ 10.1.0.3 . 10000 . \"veth$i\" . 10.3.0.99 . 5201 }" > /dev/null + if [ $? -ne 0 ];then + ret=1 + echo "FAIL: can't find expected tcp entry for veth$i" 1>&2 + break + fi +done +if [ $ret -eq 0 ];then + echo "PASS: Found client connection for all $maxclients net namespaces" +fi + +ip netns exec $gw nft get element inet raw inflows "{ 10.3.0.99 . 5201 . \"veth0\" . 10.3.0.1 . 10000 }" > /dev/null +if [ $? -ne 0 ];then + ret=1 + echo "FAIL: cannot find return entry on veth0" 1>&2 +fi + +exit $ret diff --git a/tools/testing/selftests/netfilter/nft_zones_many.sh b/tools/testing/selftests/netfilter/nft_zones_many.sh new file mode 100755 index 000000000000..ac646376eb01 --- /dev/null +++ b/tools/testing/selftests/netfilter/nft_zones_many.sh @@ -0,0 +1,156 @@ +#!/bin/bash + +# Test insertion speed for packets with identical addresses/ports +# that are all placed in distinct conntrack zones. + +sfx=$(mktemp -u "XXXXXXXX") +ns="ns-$sfx" + +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +zones=20000 +have_ct_tool=0 +ret=0 + +cleanup() +{ + ip netns del $ns +} + +ip netns add $ns +if [ $? -ne 0 ];then + echo "SKIP: Could not create net namespace $gw" + exit $ksft_skip +fi + +trap cleanup EXIT + +conntrack -V > /dev/null 2>&1 +if [ $? -eq 0 ];then + have_ct_tool=1 +fi + +ip -net "$ns" link set lo up + +test_zones() { + local max_zones=$1 + +ip netns exec $ns sysctl -q net.netfilter.nf_conntrack_udp_timeout=3600 +ip netns exec $ns nft -f /dev/stdin<<EOF +flush ruleset +table inet raw { + map rndzone { + typeof numgen inc mod $max_zones : ct zone + } + + chain output { + type filter hook output priority -64000; policy accept; + udp dport 12345 ct zone set numgen inc mod 65536 map @rndzone + } +} +EOF + ( + echo "add element inet raw rndzone {" + for i in $(seq 1 $max_zones);do + echo -n "$i : $i" + if [ $i -lt $max_zones ]; then + echo "," + else + echo "}" + fi + done + ) | ip netns exec $ns nft -f /dev/stdin + + local i=0 + local j=0 + local outerstart=$(date +%s%3N) + local stop=$outerstart + + while [ $i -lt $max_zones ]; do + local start=$(date +%s%3N) + i=$((i + 10000)) + j=$((j + 1)) + dd if=/dev/zero of=/dev/stdout bs=8k count=10000 2>/dev/null | ip netns exec "$ns" nc -w 1 -q 1 -u -p 12345 127.0.0.1 12345 > /dev/null + if [ $? -ne 0 ] ;then + ret=1 + break + fi + + stop=$(date +%s%3N) + local duration=$((stop-start)) + echo "PASS: added 10000 entries in $duration ms (now $i total, loop $j)" + done + + if [ $have_ct_tool -eq 1 ]; then + local count=$(ip netns exec "$ns" conntrack -C) + local duration=$((stop-outerstart)) + + if [ $count -eq $max_zones ]; then + echo "PASS: inserted $count entries from packet path in $duration ms total" + else + ip netns exec $ns conntrack -S 1>&2 + echo "FAIL: inserted $count entries from packet path in $duration ms total, expected $max_zones entries" + ret=1 + fi + fi + + if [ $ret -ne 0 ];then + echo "FAIL: insert $max_zones entries from packet path" 1>&2 + fi +} + +test_conntrack_tool() { + local max_zones=$1 + + ip netns exec $ns conntrack -F >/dev/null 2>/dev/null + + local outerstart=$(date +%s%3N) + local start=$(date +%s%3N) + local stop=$start + local i=0 + while [ $i -lt $max_zones ]; do + i=$((i + 1)) + ip netns exec "$ns" conntrack -I -s 1.1.1.1 -d 2.2.2.2 --protonum 6 \ + --timeout 3600 --state ESTABLISHED --sport 12345 --dport 1000 --zone $i >/dev/null 2>&1 + if [ $? -ne 0 ];then + ip netns exec "$ns" conntrack -I -s 1.1.1.1 -d 2.2.2.2 --protonum 6 \ + --timeout 3600 --state ESTABLISHED --sport 12345 --dport 1000 --zone $i > /dev/null + echo "FAIL: conntrack -I returned an error" + ret=1 + break + fi + + if [ $((i%10000)) -eq 0 ];then + stop=$(date +%s%3N) + + local duration=$((stop-start)) + echo "PASS: added 10000 entries in $duration ms (now $i total)" + start=$stop + fi + done + + local count=$(ip netns exec "$ns" conntrack -C) + local duration=$((stop-outerstart)) + + if [ $count -eq $max_zones ]; then + echo "PASS: inserted $count entries via ctnetlink in $duration ms" + else + ip netns exec $ns conntrack -S 1>&2 + echo "FAIL: inserted $count entries via ctnetlink in $duration ms, expected $max_zones entries ($duration ms)" + ret=1 + fi +} + +test_zones $zones + +if [ $have_ct_tool -eq 1 ];then + test_conntrack_tool $zones +else + echo "SKIP: Could not run ctnetlink insertion test without conntrack tool" + if [ $ret -eq 0 ];then + exit $ksft_skip + fi +fi + +exit $ret diff --git a/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S index bd1ca25febe4..aed632d29fff 100644 --- a/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S +++ b/tools/testing/selftests/powerpc/tm/tm-syscall-asm.S @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#include <ppc-asm.h> +#include <basic_asm.h> #include <asm/unistd.h> .text @@ -26,3 +26,38 @@ FUNC_START(getppid_tm_suspended) 1: li r3, -1 blr + + +.macro scv level + .long (0x44000001 | (\level) << 5) +.endm + +FUNC_START(getppid_scv_tm_active) + PUSH_BASIC_STACK(0) + tbegin. + beq 1f + li r0, __NR_getppid + scv 0 + tend. + POP_BASIC_STACK(0) + blr +1: + li r3, -1 + POP_BASIC_STACK(0) + blr + +FUNC_START(getppid_scv_tm_suspended) + PUSH_BASIC_STACK(0) + tbegin. + beq 1f + li r0, __NR_getppid + tsuspend. + scv 0 + tresume. + tend. + POP_BASIC_STACK(0) + blr +1: + li r3, -1 + POP_BASIC_STACK(0) + blr diff --git a/tools/testing/selftests/powerpc/tm/tm-syscall.c b/tools/testing/selftests/powerpc/tm/tm-syscall.c index 467a6b3134b2..b763354c2eb4 100644 --- a/tools/testing/selftests/powerpc/tm/tm-syscall.c +++ b/tools/testing/selftests/powerpc/tm/tm-syscall.c @@ -19,23 +19,36 @@ #include "utils.h" #include "tm.h" +#ifndef PPC_FEATURE2_SCV +#define PPC_FEATURE2_SCV 0x00100000 /* scv syscall */ +#endif + extern int getppid_tm_active(void); extern int getppid_tm_suspended(void); +extern int getppid_scv_tm_active(void); +extern int getppid_scv_tm_suspended(void); unsigned retries = 0; #define TEST_DURATION 10 /* seconds */ -pid_t getppid_tm(bool suspend) +pid_t getppid_tm(bool scv, bool suspend) { int i; pid_t pid; for (i = 0; i < TM_RETRIES; i++) { - if (suspend) - pid = getppid_tm_suspended(); - else - pid = getppid_tm_active(); + if (suspend) { + if (scv) + pid = getppid_scv_tm_suspended(); + else + pid = getppid_tm_suspended(); + } else { + if (scv) + pid = getppid_scv_tm_active(); + else + pid = getppid_tm_active(); + } if (pid >= 0) return pid; @@ -82,15 +95,24 @@ int tm_syscall(void) * Test a syscall within a suspended transaction and verify * that it succeeds. */ - FAIL_IF(getppid_tm(true) == -1); /* Should succeed. */ + FAIL_IF(getppid_tm(false, true) == -1); /* Should succeed. */ /* * Test a syscall within an active transaction and verify that * it fails with the correct failure code. */ - FAIL_IF(getppid_tm(false) != -1); /* Should fail... */ + FAIL_IF(getppid_tm(false, false) != -1); /* Should fail... */ FAIL_IF(!failure_is_persistent()); /* ...persistently... */ FAIL_IF(!failure_is_syscall()); /* ...with code syscall. */ + + /* Now do it all again with scv if it is available. */ + if (have_hwcap2(PPC_FEATURE2_SCV)) { + FAIL_IF(getppid_tm(true, true) == -1); /* Should succeed. */ + FAIL_IF(getppid_tm(true, false) != -1); /* Should fail... */ + FAIL_IF(!failure_is_persistent()); /* ...persistently... */ + FAIL_IF(!failure_is_syscall()); /* ...with code syscall. */ + } + gettimeofday(&now, 0); } diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c index ee8208b2f946..69c3ead25313 100644 --- a/tools/usb/testusb.c +++ b/tools/usb/testusb.c @@ -265,12 +265,6 @@ nomem: } entry->ifnum = ifnum; - - /* FIXME update USBDEVFS_CONNECTINFO so it tells about high speed etc */ - - fprintf(stderr, "%s speed\t%s\t%u\n", - speed(entry->speed), entry->name, entry->ifnum); - entry->next = testdevs; testdevs = entry; return 0; @@ -299,6 +293,14 @@ static void *handle_testdev (void *arg) return 0; } + status = ioctl(fd, USBDEVFS_GET_SPEED, NULL); + if (status < 0) + fprintf(stderr, "USBDEVFS_GET_SPEED failed %d\n", status); + else + dev->speed = status; + fprintf(stderr, "%s speed\t%s\t%u\n", + speed(dev->speed), dev->name, dev->ifnum); + restart: for (i = 0; i < TEST_CASES; i++) { if (dev->test != -1 && dev->test != i) diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index 0517c744b04e..f62f10c988db 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -1331,7 +1331,7 @@ int main(int argc, char *argv[]) if (opt_list && opt_list_mapcnt) kpagecount_fd = checked_open(PROC_KPAGECOUNT, O_RDONLY); - if (opt_mark_idle && opt_file) + if (opt_mark_idle) page_idle_fd = checked_open(SYS_KERNEL_MM_PAGE_IDLE, O_RDWR); if (opt_list && opt_pid) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 439d3b4cd1a9..7851f3a1b5f7 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -235,9 +235,13 @@ static void ack_flush(void *_completed) { } -static inline bool kvm_kick_many_cpus(const struct cpumask *cpus, bool wait) +static inline bool kvm_kick_many_cpus(cpumask_var_t tmp, bool wait) { - if (unlikely(!cpus)) + const struct cpumask *cpus; + + if (likely(cpumask_available(tmp))) + cpus = tmp; + else cpus = cpu_online_mask; if (cpumask_empty(cpus)) @@ -263,14 +267,34 @@ bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, continue; kvm_make_request(req, vcpu); - cpu = vcpu->cpu; if (!(req & KVM_REQUEST_NO_WAKEUP) && kvm_vcpu_wake_up(vcpu)) continue; - if (tmp != NULL && cpu != -1 && cpu != me && - kvm_request_needs_ipi(vcpu, req)) - __cpumask_set_cpu(cpu, tmp); + /* + * tmp can be "unavailable" if cpumasks are allocated off stack + * as allocation of the mask is deliberately not fatal and is + * handled by falling back to kicking all online CPUs. + */ + if (!cpumask_available(tmp)) + continue; + + /* + * Note, the vCPU could get migrated to a different pCPU at any + * point after kvm_request_needs_ipi(), which could result in + * sending an IPI to the previous pCPU. But, that's ok because + * the purpose of the IPI is to ensure the vCPU returns to + * OUTSIDE_GUEST_MODE, which is satisfied if the vCPU migrates. + * Entering READING_SHADOW_PAGE_TABLES after this point is also + * ok, as the requirement is only that KVM wait for vCPUs that + * were reading SPTEs _before_ any changes were finalized. See + * kvm_vcpu_kick() for more details on handling requests. + */ + if (kvm_request_needs_ipi(vcpu, req)) { + cpu = READ_ONCE(vcpu->cpu); + if (cpu != -1 && cpu != me) + __cpumask_set_cpu(cpu, tmp); + } } called = kvm_kick_many_cpus(tmp, !!(req & KVM_REQUEST_WAIT)); @@ -302,13 +326,8 @@ EXPORT_SYMBOL_GPL(kvm_make_all_cpus_request); #ifndef CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL void kvm_flush_remote_tlbs(struct kvm *kvm) { - /* - * Read tlbs_dirty before setting KVM_REQ_TLB_FLUSH in - * kvm_make_all_cpus_request. - */ - long dirty_count = smp_load_acquire(&kvm->tlbs_dirty); - ++kvm->stat.generic.remote_tlb_flush_requests; + /* * We want to publish modifications to the page tables before reading * mode. Pairs with a memory barrier in arch-specific code. @@ -323,7 +342,6 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) if (!kvm_arch_flush_remote_tlb(kvm) || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) ++kvm->stat.generic.remote_tlb_flush; - cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); } EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); #endif @@ -528,7 +546,7 @@ static __always_inline int __kvm_handle_hva_range(struct kvm *kvm, } } - if (range->flush_on_ret && (ret || kvm->tlbs_dirty)) + if (range->flush_on_ret && ret) kvm_flush_remote_tlbs(kvm); if (locked) @@ -3134,15 +3152,19 @@ out: static void shrink_halt_poll_ns(struct kvm_vcpu *vcpu) { - unsigned int old, val, shrink; + unsigned int old, val, shrink, grow_start; old = val = vcpu->halt_poll_ns; shrink = READ_ONCE(halt_poll_ns_shrink); + grow_start = READ_ONCE(halt_poll_ns_grow_start); if (shrink == 0) val = 0; else val /= shrink; + if (val < grow_start) + val = 0; + vcpu->halt_poll_ns = val; trace_kvm_halt_poll_ns_shrink(vcpu->vcpu_id, val, old); } @@ -3290,16 +3312,24 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_wake_up); */ void kvm_vcpu_kick(struct kvm_vcpu *vcpu) { - int me; - int cpu = vcpu->cpu; + int me, cpu; if (kvm_vcpu_wake_up(vcpu)) return; + /* + * Note, the vCPU could get migrated to a different pCPU at any point + * after kvm_arch_vcpu_should_kick(), which could result in sending an + * IPI to the previous pCPU. But, that's ok because the purpose of the + * IPI is to force the vCPU to leave IN_GUEST_MODE, and migrating the + * vCPU also requires it to leave IN_GUEST_MODE. + */ me = get_cpu(); - if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) - if (kvm_arch_vcpu_should_kick(vcpu)) + if (kvm_arch_vcpu_should_kick(vcpu)) { + cpu = READ_ONCE(vcpu->cpu); + if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) smp_send_reschedule(cpu); + } put_cpu(); } EXPORT_SYMBOL_GPL(kvm_vcpu_kick); |