[RFC PATCH 4/6] drm/xe/uapi: Add DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE

[Matthew Brost]

Add DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE which accepts a user pointer
to populate the exec queue state so that a GPU hang can be replayed via
a Mesa tool.

Cc: José Roberto de Souza <jose.souza at intel.com>
Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
 include/uapi/drm/xe_drm.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index e2160330ad01..0fe8c2e8b022 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -204,8 +204,12 @@ struct drm_xe_ext_set_property {
 	/** @pad: MBZ */
 	__u32 pad;
 
-	/** @value: property value */
-	__u64 value;
+	union {
+		/** @value: property value */
+		__u64 value;
+		/** @ptr: pointer to user value */
+		__u64 ptr;
+	};
 
 	/** @reserved: Reserved */
 	__u64 reserved[2];
@@ -1137,6 +1141,7 @@ struct drm_xe_exec_queue_create {
 #define DRM_XE_EXEC_QUEUE_EXTENSION_SET_PROPERTY		0
 #define   DRM_XE_EXEC_QUEUE_SET_PROPERTY_PRIORITY		0
 #define   DRM_XE_EXEC_QUEUE_SET_PROPERTY_TIMESLICE		1
+#define   DRM_XE_EXEC_QUEUE_SET_HANG_REPLAY_STATE		2
 
 	/** @extensions: Pointer to the first extension struct, if any */
 	__u64 extensions;
-- 
2.34.1