[PATCH i-g-t v9 1/3] drm-uapi/xe: sync with kernel header

[Sobin Thomas <sobin.thomas@intel.com>]

This commit is for sync with kernel header.
Align with kernel commit 369cc8804985 ("drm/xe/uapi: Introduce a flag to
disallow VM overcommit in fault mode").

Signed-off-by: Sobin Thomas <sobin.thomas@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
---
 include/drm-uapi/xe_drm.h | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/include/drm-uapi/xe_drm.h b/include/drm-uapi/xe_drm.h
index 077e66a68..fc71a6cd1 100644
--- a/include/drm-uapi/xe_drm.h
+++ b/include/drm-uapi/xe_drm.h
@@ -3,8 +3,8 @@
  * Copyright © 2023 Intel Corporation
  */
 
-#ifndef _UAPI_XE_DRM_H_
-#define _UAPI_XE_DRM_H_
+#ifndef _XE_DRM_H_
+#define _XE_DRM_H_
 
 #include "drm.h"
 
@@ -142,7 +142,7 @@ extern "C" {
  * redefine the interface more easily than an ever growing struct of
  * increasing complexity, and for large parts of that interface to be
  * entirely optional. The downside is more pointer chasing; chasing across
- * the __user boundary with pointers encapsulated inside u64.
+ * the boundary with pointers encapsulated inside u64.
  *
  * Example chaining:
  *
@@ -335,10 +335,6 @@ struct drm_xe_mem_region {
 	__u64 total_size;
 	/**
 	 * @used: Estimate of the memory used in bytes for this region.
-	 *
-	 * Requires CAP_PERFMON or CAP_SYS_ADMIN to get reliable
-	 * accounting.  Without this the value here will always equal
-	 * zero.
 	 */
 	__u64 used;
 	/**
@@ -363,9 +359,7 @@ struct drm_xe_mem_region {
 	 * @cpu_visible_used: Estimate of CPU visible memory used, in
 	 * bytes.
 	 *
-	 * Requires CAP_PERFMON or CAP_SYS_ADMIN to get reliable
-	 * accounting. Without this the value here will always equal
-	 * zero.  Note this is only currently tracked for
+	 * Note this is only currently tracked for
 	 * DRM_XE_MEM_REGION_CLASS_VRAM regions (for other types the value
 	 * here will always be zero).
 	 */
@@ -975,6 +969,11 @@ struct drm_xe_gem_mmap_offset {
  *    demand when accessed, and also allows per-VM overcommit of memory.
  *    The xe driver internally uses recoverable pagefaults to implement
  *    this.
+ *  - %DRM_XE_VM_CREATE_FLAG_NO_VM_OVERCOMMIT - Requires also
+ *    DRM_XE_VM_CREATE_FLAG_FAULT_MODE. This disallows per-VM overcommit
+ *    but only during a &DRM_IOCTL_XE_VM_BIND operation with the
+ *    %DRM_XE_VM_BIND_FLAG_IMMEDIATE flag set. This may be useful for
+ *    user-space naively probing the amount of available memory.
  */
 struct drm_xe_vm_create {
 	/** @extensions: Pointer to the first extension struct, if any */
@@ -983,6 +982,7 @@ struct drm_xe_vm_create {
 #define DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE	(1 << 0)
 #define DRM_XE_VM_CREATE_FLAG_LR_MODE	        (1 << 1)
 #define DRM_XE_VM_CREATE_FLAG_FAULT_MODE	(1 << 2)
+#define DRM_XE_VM_CREATE_FLAG_NO_VM_OVERCOMMIT  (1 << 3)
 	/** @flags: Flags */
 	__u32 flags;
 
@@ -2361,4 +2361,4 @@ struct drm_xe_exec_queue_set_property {
 }
 #endif
 
-#endif /* _UAPI_XE_DRM_H_ */
+#endif /* _XE_DRM_H_ */
-- 
2.52.0