Add GuC's error capture output structures and definitions as how they would appear in GuC log buffer's error capture subregion after an error state capture G2H event notification.
Signed-off-by: Alan Previn alan.previn.teres.alexis@intel.com Reviewed-by: Matthew Brost matthew.brost@intel.com --- drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h b/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h index 6c199433945d..8824c5eba355 100644 --- a/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h +++ b/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h @@ -55,6 +55,53 @@ struct __guc_mmio_reg_descr_group { struct __guc_mmio_reg_descr *extlist; /* only used for steered registers */ };
+/** + * struct guc_state_capture_header_t / struct guc_state_capture_t / + * guc_state_capture_group_header_t / guc_state_capture_group_t + * + * Prior to resetting engines that have hung or faulted, GuC microkernel + * reports the engine error-state (register values that was read) by + * logging them into the shared GuC log buffer using these hierarchy + * of structures. + */ +struct guc_state_capture_header_t { + u32 owner; +#define CAP_HDR_CAPTURE_VFID GENMASK(7, 0) + u32 info; +#define CAP_HDR_CAPTURE_TYPE GENMASK(3, 0) /* see enum guc_capture_type */ +#define CAP_HDR_ENGINE_CLASS GENMASK(7, 4) /* see GUC_MAX_ENGINE_CLASSES */ +#define CAP_HDR_ENGINE_INSTANCE GENMASK(11, 8) + u32 lrca; /* if type-instance, LRCA (address) that hung, else set to ~0 */ + u32 guc_id; /* if type-instance, context index of hung context, else set to ~0 */ + u32 num_mmios; +#define CAP_HDR_NUM_MMIOS GENMASK(9, 0) +} __packed; + +struct guc_state_capture_t { + struct guc_state_capture_header_t header; + struct guc_mmio_reg mmio_entries[0]; +} __packed; + +enum guc_capture_group_types { + GUC_STATE_CAPTURE_GROUP_TYPE_FULL, + GUC_STATE_CAPTURE_GROUP_TYPE_PARTIAL, + GUC_STATE_CAPTURE_GROUP_TYPE_MAX, +}; + +struct guc_state_capture_group_header_t { + u32 owner; +#define CAP_GRP_HDR_CAPTURE_VFID GENMASK(7, 0) + u32 info; +#define CAP_GRP_HDR_NUM_CAPTURES GENMASK(7, 0) +#define CAP_GRP_HDR_CAPTURE_TYPE GENMASK(15, 8) /* guc_capture_group_types */ +} __packed; + +/* this is the top level structure where an error-capture dump starts */ +struct guc_state_capture_group_t { + struct guc_state_capture_group_header_t grp_header; + struct guc_state_capture_t capture_entries[0]; +} __packed; + /** * struct __guc_capture_ads_cache *