[PATCH v3 i-g-t 1/2] drm-uapi/xe: sync with kernel header

Sobin Thomas
2026-03-04T11:05:16Z

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>
---
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