drm/amdgpu/userq: add UAPI for setting up secure queues

If the queues needs to access TMZ surfaces, it must
be set up as secure.

Reviewed-by: Sunil Khatri <[email protected]>
Reviewed-by: Jesse.Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: alexdeucher

include/uapi/drm/amdgpu_drm.h

@@ -337,6 +337,8 @@ union drm_amdgpu_ctx {
 #define AMDGPU_USERQ_CREATE_FLAGS_QUEUE_PRIORITY_LOW 1
 #define AMDGPU_USERQ_CREATE_FLAGS_QUEUE_PRIORITY_NORMAL_HIGH 2
 #define AMDGPU_USERQ_CREATE_FLAGS_QUEUE_PRIORITY_HIGH 3 /* admin only */
+/* for queues that need access to protected content */
+#define AMDGPU_USERQ_CREATE_FLAGS_QUEUE_SECURE  (1 << 2)
 
 /*
  * This structure is a container to pass input configuration