[PATCH 8/9] drm/amdgpu: add UAPI for user queue query status

[Alex Deucher]

Add an API to query queue status such as whether the
queue is hung or whether vram is lost.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 include/uapi/drm/amdgpu_drm.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 1fd96474e64c0..56f052a10ff38 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -328,6 +328,7 @@ union drm_amdgpu_ctx {
 /* user queue IOCTL operations */
 #define AMDGPU_USERQ_OP_CREATE	1
 #define AMDGPU_USERQ_OP_FREE	2
+#define AMDGPU_USERQ_OP_QUERY_STATUS	3
 
 /* queue priority levels */
 /* low < normal low < normal high < high */
@@ -340,6 +341,12 @@ union drm_amdgpu_ctx {
 /* for queues that need access to protected content */
 #define AMDGPU_USERQ_CREATE_FLAGS_QUEUE_SECURE  (1 << 2)
 
+
+/* the queue is hung */
+#define AMDGPU_USERQ_QUERY_STATUS_FLAGS_HUNG    (1 << 0)
+/* indicate vram lost since queue was created */
+#define AMDGPU_USERQ_QUERY_STATUS_FLAGS_VRAMLOST (1 << 1)
+
 /*
  * This structure is a container to pass input configuration
  * info for all supported userqueue related operations.
@@ -421,9 +428,16 @@ struct drm_amdgpu_userq_out {
 	__u32 _pad;
 };
 
+/* The structure to carry output of userqueue ops */
+struct drm_amdgpu_userq_out_query_state {
+	__u32 flags;
+	__u32 _pad;
+};
+
 union drm_amdgpu_userq {
 	struct drm_amdgpu_userq_in in;
 	struct drm_amdgpu_userq_out out;
+	struct drm_amdgpu_userq_out_query_state out_qs;
 };
 
 /* GFX V11 IP specific MQD parameters */
-- 
2.49.0