[RFC 2/2] drm/xe: Add flag for consulting madvise hints on prefetch memory regions

[Himal Prasad Ghimiray]

Introduce flag DRM_XE_CONSULT_MEM_ADVISE_PREF_LOC to ensure prefetching
in madvise-advised memory regions

Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
 include/uapi/drm/xe_drm.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index ec51619f76f0..015928531fe5 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -1002,6 +1002,7 @@ 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.
-- 
2.34.1