[Intel-gfx] [PATCH 4/7] drm/i915/guc: Add GuC's error state capture output structures.

Alan Previn alan.previn.teres.alexis at intel.com
Tue Jan 18 10:03:55 UTC 2022


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 at intel.com>
Reviewed-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h | 35 +++++++++++++++++++
 1 file changed, 35 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 a2f97d04ff18..495cdb0228c6 100644
--- a/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/guc_capture_fwif.h
@@ -28,6 +28,41 @@ struct __guc_mmio_reg_descr_group {
 	struct __guc_mmio_reg_descr *ext;
 };
 
+struct guc_state_capture_header_t {
+	u32 reserved1;
+	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 reserved1;
+	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;
+
+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_state_capture_priv {
 	struct __guc_mmio_reg_descr_group *reglists;
 	u16 num_instance_regs[GUC_CAPTURE_LIST_INDEX_MAX][GUC_MAX_ENGINE_CLASSES];
-- 
2.25.1



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