drm/xe/uapi: Ensure every uapi struct has drm_xe prefix

To ensure consistency and avoid possible later conflicts,
let's add drm_xe prefix to xe_user_extension struct.

Cc: Francois Dugast <francois.dugast@intel.com>
Suggested-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Acked-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Mateusz Naklicki <mateusz.naklicki@intel.com>

drivers/gpu/drm/xe/xe_exec_queue.c

@@ -453,7 +453,7 @@ static int exec_queue_user_extensions(struct xe_device *xe, struct xe_exec_queue
 				      u64 extensions, int ext_number, bool create)
 {
 	u64 __user *address = u64_to_user_ptr(extensions);
-	struct xe_user_extension ext;
+	struct drm_xe_user_extension ext;
 	int err;
 	u32 idx;
 

include/uapi/drm/xe_drm.h

@@ -27,7 +27,7 @@ extern "C" {
 #define DRM_XE_RESET_FAILED_UEVENT "DEVICE_STATUS"
 
 /**
- * struct xe_user_extension - Base class for defining a chain of extensions
+ * struct drm_xe_user_extension - Base class for defining a chain of extensions
  *
  * Many interfaces need to grow over time. In most cases we can simply
  * extend the struct and have userspace pass in more data. Another option,
@@ -45,29 +45,29 @@ extern "C" {
  *
  * .. code-block:: C
  *
- *	struct xe_user_extension ext3 {
+ *	struct drm_xe_user_extension ext3 {
  *		.next_extension = 0, // end
  *		.name = ...,
  *	};
- *	struct xe_user_extension ext2 {
+ *	struct drm_xe_user_extension ext2 {
  *		.next_extension = (uintptr_t)&ext3,
  *		.name = ...,
  *	};
- *	struct xe_user_extension ext1 {
+ *	struct drm_xe_user_extension ext1 {
  *		.next_extension = (uintptr_t)&ext2,
  *		.name = ...,
  *	};
  *
- * Typically the struct xe_user_extension would be embedded in some uAPI
+ * Typically the struct drm_xe_user_extension would be embedded in some uAPI
  * struct, and in this case we would feed it the head of the chain(i.e ext1),
  * which would then apply all of the above extensions.
  *
  */
-struct xe_user_extension {
+struct drm_xe_user_extension {
 	/**
 	 * @next_extension:
 	 *
-	 * Pointer to the next struct xe_user_extension, or zero if the end.
+	 * Pointer to the next struct drm_xe_user_extension, or zero if the end.
 	 */
 	__u64 next_extension;
 
@@ -78,7 +78,7 @@ struct xe_user_extension {
 	 *
 	 * Also note that the name space for this is not global for the whole
 	 * driver, but rather its scope/meaning is limited to the specific piece
-	 * of uAPI which has embedded the struct xe_user_extension.
+	 * of uAPI which has embedded the struct drm_xe_user_extension.
 	 */
 	__u32 name;
 
@@ -625,7 +625,7 @@ struct drm_xe_gem_mmap_offset {
 /** struct drm_xe_ext_set_property - XE set property extension */
 struct drm_xe_ext_set_property {
 	/** @base: base user extension */
-	struct xe_user_extension base;
+	struct drm_xe_user_extension base;
 
 	/** @property: property to set */
 	__u32 property;