Re: [PATCH v4 12/32] drm/xe/log: Add hardware error signatures

On 13-08-2026 12:44 am, Michal Wajdeczko wrote:
> Extend our error signatures definitions xe_sigid to cover also
> hardware-originated errors and make them distinguishable from
> initially defined software-initiated errors.
>
> Signed-off-by: Michal Wajdeczko <[email protected]>

Please add "firmware/hardware-originated errors" in comment message.

Reviewed-by: Mallesh Koujalagi <[email protected]>
> Cc: Rodrigo Vivi <[email protected]>
> Cc: Yoni Levitt <[email protected]>
> Cc: Mallesh Koujalagi <[email protected]>
> ---
> v2: update comment (Sashiko)
> v3: rebased
> ---
>   drivers/gpu/drm/xe/abi/xe_sigid_abi.h | 15 ++++++++++++++-
>   1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xe/abi/xe_sigid_abi.h b/drivers/gpu/drm/xe/abi/xe_sigid_abi.h
> index 93967183ae51..8e3c7ef579b9 100644
> --- a/drivers/gpu/drm/xe/abi/xe_sigid_abi.h
> +++ b/drivers/gpu/drm/xe/abi/xe_sigid_abi.h
> @@ -137,12 +137,18 @@
>    * @XE_SIGID_GT_TDR: Engine hang / timeout detection and recovery (reset).
>    * @XE_SIGID_MEM_FAULT: VM bind, page fault or GTT fault.
>    * @XE_SIGID_IO_BUS: Runtime PCIe / IOMMU / MMIO access fault.
> + * @XE_SIGID_HW: Generic hardware failure.
> + * @XE_SIGID_PCIE: PCIe interface errors.
> + * @XE_SIGID_DEVICE_MEMORY: Device memory errors.
> + * @XE_SIGID_CORE_COMPUTE: Compute/shader core errors.
> + * @XE_SIGID_FABRIC: Fabric errors.
> + * @XE_SIGID_SOC_INTERNAL: SoC-internal errors.
>    *
>    * Each SIGID represents the report sites the driver detects and reports.
>    * Values are numbered sequentially, are only ever appended, and are never
>    * renumbered or reused.
>    *
> - * Firmware- and hardware-originated signatures are not listed yet here.
> + * Firmware- and hardware-originated signatures are numbered separately.
>    */
>   enum xe_sigid {
>   	XE_SIGID_SW			= INTEL_SIGID_GPU_XE_SOFTWARE_START,
> @@ -154,6 +160,13 @@ enum xe_sigid {
>   	XE_SIGID_GT_TDR			= INTEL_SIGID_GPU_XE_SOFTWARE_START + 6,
>   	XE_SIGID_MEM_FAULT		= INTEL_SIGID_GPU_XE_SOFTWARE_START + 7,
>   	XE_SIGID_IO_BUS			= INTEL_SIGID_GPU_XE_SOFTWARE_START + 8,
> +
> +	XE_SIGID_HW			= INTEL_SIGID_GPU_XE_HARDWARE_START,
> +	XE_SIGID_PCIE			= INTEL_SIGID_GPU_XE_HARDWARE_START + 1,
> +	XE_SIGID_DEVICE_MEMORY		= INTEL_SIGID_GPU_XE_HARDWARE_START + 2,
> +	XE_SIGID_CORE_COMPUTE		= INTEL_SIGID_GPU_XE_HARDWARE_START + 3,
> +	XE_SIGID_FABRIC			= INTEL_SIGID_GPU_XE_HARDWARE_START + 4,
> +	XE_SIGID_SOC_INTERNAL		= INTEL_SIGID_GPU_XE_HARDWARE_START + 5,
>   };
>   
>   #endif