linux-next.git/include/linux/firmware/intel, branch master

Merge tag 'svc_updates_for_v7.3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into char-misc-next

2026-07-31T12:14:51+00:00

SoCFPGA firmware updates for v7.3 - Document stratix10-rsu for QSPI size and erase size - Add method to retrieve device info table using RSU - Add support for hardware monitoring using service driver Resolves merge conflicts in: drivers/firmware/stratix10-svc.c Signed-off-by: Greg Kroah-Hartman * tag 'svc_updates_for_v7.3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: hwmon: add Altera SoC FPGA hardware monitoring driver firmware: stratix10-svc: add async HWMON read commands and register socfpga-hwmon device firmware: stratix10-rsu: Add synchronous fallback for async SVC operations firmware: stratix10-rsu: Add flash device info retrieval via SMC Documentation: ABI: add stratix10-rsu QSPI size and erase_size sysfs

firmware: stratix10-svc: add async HWMON read commands and register socfpga-hwmon device

2026-07-29T02:47:39+00:00

Add asynchronous Stratix 10 service layer support for hardware monitor temperature and voltage read commands in stratix10_svc_async_send() and stratix10_svc_async_prepare_response(). Register a socfpga-hwmon platform device from the service layer driver when hardware monitor support is enabled, similar to the RSU device. Signed-off-by: Nazim Amirul Signed-off-by: Tze Yee Ng Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: handle NO_RESPONSE in async poll

2026-07-14T21:33:21+00:00

Define INTEL_SIP_SMC_STATUS_NO_RESPONSE (0x3) and handle it in stratix10_svc_async_poll() the same way as INTEL_SIP_SMC_STATUS_BUSY, returning -EAGAIN so callers can retry instead of treating the poll as a hard failure. When the Secure Device Manager has not yet produced a response for an asynchronous transaction, ATF is expected to return INTEL_SIP_SMC_STATUS_NO_RESPONSE. Without this handling, the service layer maps the status to -EINVAL and async clients cannot distinguish "not ready yet" from a real error. Fixes: bcb9f4f07061 ("firmware: stratix10-svc: Add support for async communication") Cc: stable@vger.kernel.org Signed-off-by: Adrian Ng Ho Yin Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: fix FCS SMC call kernel-doc

2026-07-06T23:07:39+00:00

Correct kernel-doc errors for two FCS SMC calls: INTEL_SIP_SMC_FCS_SEND_CERTIFICATE: - Describe as async to match STD_CALL_VAL usage - Replace INTEL_SIP_SMC_FCS_REJECTED with INTEL_SIP_SMC_REJECTED INTEL_SIP_SMC_FCS_GET_PROVISION_DATA: - Replace FCS-specific status macros with standard status macros (INTEL_SIP_SMC_STATUS_ERROR and INTEL_SIP_SMC_STATUS_REJECTED) - Restore return register documentation for a1 (mailbox error), a2 (physical address), and a3 (structure size) Fixes: 4a4709d470e6 ("firmware: stratix10-svc: add new FCS commands") Fixes: 4b0a32016347 ("firmware: stratix10-svc: change get provision data to async SMC call") Cc: stable@vger.kernel.org # 6.0+ Signed-off-by: Genevieve Chan Signed-off-by: Dinh Nguyen

firmware: stratix10-rsu: Add flash device info retrieval via SMC

2026-06-29T12:22:44+00:00

Extend the Intel Remote System Update (RSU) driver to retrieve the device info table through an ARM SMC call to the service layer. The table reports flash size and erase size for multiple devices. Signed-off-by: Tze Yee Ng Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: Add support to query Arm Trusted Firmware (ATF) version

2026-06-08T13:37:35+00:00

Add entry in Stratix10 service layer that allow client to retrieve the ATF version at runtime, which is useful for system diagnostics, compatibility checks, and ensuring the correct secure firmware is in use. The change introduces: - A new service command definition in the Stratix10 service layer to initiate the ATF version query. - A corresponding macro definition in the header file to expose the command ID for use by other components. The service layer uses a Secure Monitor Call (SMC) to communicate with the ATF and retrieve the version string, which can then be logged or validated by client application. Signed-off-by: Tze Yee Ng Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: change get provision data to async SMC call

2026-05-01T03:40:20+00:00

Change INTEL_SIP_SMC_FCS_GET_PROVISION_DATA's SMC call to async from sync to avoid long runtime which may cause the watchdog timeout issue. Signed-off-by: Richard Gong Signed-off-by: Siew Chin Lim Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: Add Multi SVC clients support

2026-03-10T16:32:31+00:00

In the current implementation, SVC client drivers such as socfpga-hwmon, intel_fcs, stratix10-soc, stratix10-rsu each send an SMC command that triggers a single thread in the stratix10-svc driver. Upon receiving a callback, the initiating client driver sends a stratix10-svc-done signal, terminating the thread without waiting for other pending SMC commands to complete. This leads to a timeout issue in the firmware SVC mailbox service when multiple client drivers send SMC commands concurrently. To resolve this issue, a dedicated thread is now created per channel. The stratix10-svc driver will support up to the number of channels defined by SVC_NUM_CHANNEL. Thread synchronization is handled using a mutex to prevent simultaneous issuance of SMC commands by multiple threads. SVC_NUM_DATA_IN_FIFO is reduced from 32 to 8, since each channel now has its own dedicated FIFO and the SDM processes commands one at a time. 8 entries per channel is sufficient while keeping the total aggregate capacity the same (4 channels x 8 = 32 entries). Additionally, a thread task is now validated before invoking kthread_stop when the user aborts, ensuring safe termination. Timeout values have also been adjusted to accommodate the increased load from concurrent client driver activity. Fixes: 7ca5ce896524 ("firmware: add Intel Stratix10 service layer driver") Cc: stable@vger.kernel.org Signed-off-by: Ang Tien Sung Signed-off-by: Fong, Yan Kei Signed-off-by: Muhammad Amirul Asyraf Mohamad Jamian Link: https://lore.kernel.org/all/20260305093151.2678-1-muhammad.amirul.asyraf.mohamad.jamian@altera.com Signed-off-by: Dinh Nguyen

firmware: stratix10-svc: fix make htmldocs warning

2025-11-24T16:49:12+00:00

Stephen Rothwell reports htmldocs warnings when merging char-misc tree: WARNING: include/linux/firmware/intel/stratix10-svc-client.h:22 This comment starts with '/**', but isn't a kernel-doc comment. WARNING: include/linux/firmware/intel/stratix10-svc-client.h:184 Enum value 'COMMAND_HWMON_READTEMP' not described in enum 'stratix10_svc_command_code' WARNING: include/linux/firmware/intel/stratix10-svc-client.h:184 Enum value 'COMMAND_HWMON_READVOLT' not described in enum 'stratix10_svc_command_code' WARNING: include/linux/firmware/intel/stratix10-svc-client.h:307 function parameter 'cb_arg' not described in 'async_callback_t' Fixes: 4f49088c1625 ("firmware: stratix10-svc: Add definition for voltage and temperature sensor") Reported-by: Stephen Rothwell Closes: https://lore.kernel.org/linux-next/20251114153920.1c5df700@canb.auug.org.au/ Signed-off-by: Dinh Nguyen Link: https://patch.msgid.link/20251114185815.358423-3-dinguyen@kernel.org Signed-off-by: Greg Kroah-Hartman

firmware: stratix10-svc: Add support for RSU commands in asynchronous framework

2025-11-13T12:32:58+00:00

Integrate Remote System Update(RSU) service commands into the asynchronous framework for communicating with SDM. This allows the RSU commands to be processed asynchronously, improving the responsiveness of the Stratix10 service channel. The asynchronous framework now supports the following RSU commands: * COMMAND_RSU_GET_SPT_TABLE * COMMAND_RSU_STATUS * COMMAND_RSU_NOTIFY Signed-off-by: Mahesh Rao Reviewed-by: Matthew Gerlach Signed-off-by: Dinh Nguyen