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| author | Sunil Muthuswamy <sunilmut@microsoft.com> | 2022-01-05 11:32:36 -0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-01-12 08:24:29 -0600 |
| commit | d9932b46915664c88709d59927fa67e797adec56 (patch) | |
| tree | 85805ea0c8fb3a114fb3e3417b303804bff933a0 /arch/arm64 | |
| parent | 831c1ae725f7d2f8f858b0840692b48e75b49331 (diff) | |
| download | lwn-d9932b46915664c88709d59927fa67e797adec56.tar.gz lwn-d9932b46915664c88709d59927fa67e797adec56.zip | |
PCI: hv: Add arm64 Hyper-V vPCI support
Add arm64 Hyper-V vPCI support by implementing the arch specific
interfaces. Introduce an IRQ domain and chip specific to Hyper-v vPCI that
is based on SPIs. The IRQ domain parents itself to the arch GIC IRQ domain
for basic vector management.
[bhelgaas: squash in fix from Yang Li <yang.lee@linux.alibaba.com>:
https://lore.kernel.org/r/20220112003324.62755-1-yang.lee@linux.alibaba.com]
Link: https://lore.kernel.org/r/1641411156-31705-3-git-send-email-sunilmut@linux.microsoft.com
Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/hyperv-tlfs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/hyperv-tlfs.h b/arch/arm64/include/asm/hyperv-tlfs.h index 4d964a7f02ee..bc6c7ac934a1 100644 --- a/arch/arm64/include/asm/hyperv-tlfs.h +++ b/arch/arm64/include/asm/hyperv-tlfs.h @@ -64,6 +64,15 @@ #define HV_REGISTER_STIMER0_CONFIG 0x000B0000 #define HV_REGISTER_STIMER0_COUNT 0x000B0001 +union hv_msi_entry { + u64 as_uint64[2]; + struct { + u64 address; + u32 data; + u32 reserved; + } __packed; +}; + #include <asm-generic/hyperv-tlfs.h> #endif |