diff options
| author | Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> | 2025-08-21 23:00:56 +0530 |
|---|---|---|
| committer | Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> | 2025-08-26 11:25:36 +0530 |
| commit | fa1a82c985dba642de66f0a1918fc531007bf90f (patch) | |
| tree | 3a8ac0c58a2499ae645cbd744106bcfa40147738 | |
| parent | 18d36fd6d13b295ebf111de2651bb398fcd1a040 (diff) | |
drm/xe/uapi: Add flag for consulting madvise hints on svm prefetch
Introduce flag DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC to ensure prefetching
in madvise-advised memory regions
v2 (Matthew Brost)
- Add kernel-doc
v3 (Matthew Brost)
- Fix kernel-doc
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/20250821173104.3030148-13-himal.prasad.ghimiray@intel.com
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 4e6e9a9164ee..115b9bca2a25 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -1010,6 +1010,10 @@ struct drm_xe_vm_destroy { * valid on VMs with DRM_XE_VM_CREATE_FLAG_FAULT_MODE set. The CPU address * mirror flag are only valid for DRM_XE_VM_BIND_OP_MAP operations, the BO * handle MBZ, and the BO offset MBZ. + * + * The @prefetch_mem_region_instance for %DRM_XE_VM_BIND_OP_PREFETCH can also be: + * - %DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC, which ensures prefetching occurs in + * the memory region advised by madvise. */ struct drm_xe_vm_bind_op { /** @extensions: Pointer to the first extension struct, if any */ @@ -1115,6 +1119,7 @@ struct drm_xe_vm_bind_op { /** @flags: Bind flags */ __u32 flags; +#define DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC -1 /** * @prefetch_mem_region_instance: Memory region to prefetch VMA to. * It is a region instance, not a mask. |