drm/amd: Add kfd ioctl defines for hw_exception event

Signed-off-by: NShaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Acked-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NOded Gabbay <oded.gabbay@gmail.com>

include/uapi/linux/kfd_ioctl.h

@@ -189,6 +189,15 @@ struct kfd_ioctl_dbg_wave_control_args {
 
 #define KFD_SIGNAL_EVENT_LIMIT			4096
 
+/* For kfd_event_data.hw_exception_data.reset_type. */
+#define KFD_HW_EXCEPTION_WHOLE_GPU_RESET	0
+#define KFD_HW_EXCEPTION_PER_ENGINE_RESET	1
+
+/* For kfd_event_data.hw_exception_data.reset_cause. */
+#define KFD_HW_EXCEPTION_GPU_HANG	0
+#define KFD_HW_EXCEPTION_ECC		1
+
+
 struct kfd_ioctl_create_event_args {
 	__u64 event_page_offset;	/* from KFD */
 	__u32 event_trigger_data;	/* from KFD - signal events only */
@@ -230,10 +239,19 @@ struct kfd_hsa_memory_exception_data {
 	__u32 pad;
 };
 
-/* Event data*/
+/* hw exception data */
+struct kfd_hsa_hw_exception_data {
+	uint32_t reset_type;
+	uint32_t reset_cause;
+	uint32_t memory_lost;
+	uint32_t gpu_id;
+};
+
+/* Event data */
 struct kfd_event_data {
 	union {
 		struct kfd_hsa_memory_exception_data memory_exception_data;
+		struct kfd_hsa_hw_exception_data hw_exception_data;
 	};				/* From KFD */
 	__u64 kfd_event_data_ext;	/* pointer to an extension structure
 					   for future exception types */