diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 726e481574fe..bb69f9b30c7d 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -2123,7 +2123,13 @@ struct drm_xe_madvise { struct { #define DRM_XE_PREFERRED_LOC_DEFAULT_DEVICE 0 #define DRM_XE_PREFERRED_LOC_DEFAULT_SYSTEM -1 - /** @preferred_mem_loc.devmem_fd: fd for preferred loc */ + /** + * @preferred_mem_loc.devmem_fd: + * Device file-descriptor of the device where the + * preferred memory is located, or one of the + * above special values. Please also see + * @preferred_mem_loc.region_instance below. + */ __u32 devmem_fd; #define DRM_XE_MIGRATE_ALL_PAGES 0 @@ -2131,8 +2137,14 @@ struct drm_xe_madvise { /** @preferred_mem_loc.migration_policy: Page migration policy */ __u16 migration_policy; - /** @preferred_mem_loc.pad : MBZ */ - __u16 pad; + /** + * @preferred_mem_loc.region_instance : Region instance. + * MBZ if @devmem_fd <= &DRM_XE_PREFERRED_LOC_DEFAULT_DEVICE. + * Otherwise should point to the desired device + * VRAM instance of the device indicated by + * @preferred_mem_loc.devmem_fd. + */ + __u16 region_instance; /** @preferred_mem_loc.reserved : Reserved */ __u64 reserved; |