[PATCH 1/8] drm/amdgpu: add UAPI to create user queue gangs

[Alex Deucher]

Queues in a gang will schedule together.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 include/uapi/drm/amdgpu_drm.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 56f052a10ff38..83414563779fb 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -329,6 +329,7 @@ union drm_amdgpu_ctx {
 #define AMDGPU_USERQ_OP_CREATE	1
 #define AMDGPU_USERQ_OP_FREE	2
 #define AMDGPU_USERQ_OP_QUERY_STATUS	3
+#define AMDGPU_USERQ_OP_CREATE_GANG	4
 
 /* queue priority levels */
 /* low < normal low < normal high < high */
@@ -417,6 +418,15 @@ struct drm_amdgpu_userq_in {
 	__u64 mqd_size;
 };
 
+struct drm_amdgpu_userq_in_create_gang {
+	/** AMDGPU_USERQ_OP_* */
+	__u32	op;
+	__u32	pad;
+	/** Queue ids passed for operation USERQ_OP_CREATE_GANG */
+	__u32	primary_queue_id;
+	__u32	secondary_queue_id;
+};
+
 /* The structure to carry output of userqueue ops */
 struct drm_amdgpu_userq_out {
 	/**
@@ -436,6 +446,7 @@ struct drm_amdgpu_userq_out_query_state {
 
 union drm_amdgpu_userq {
 	struct drm_amdgpu_userq_in in;
+	struct drm_amdgpu_userq_in_create_gang in_cg;
 	struct drm_amdgpu_userq_out out;
 	struct drm_amdgpu_userq_out_query_state out_qs;
 };
-- 
2.49.0