diff options
Diffstat (limited to 'include/drm/drm_gem.h')
| -rw-r--r-- | include/drm/drm_gem.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 6aaba14f5972..97a48165642c 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -151,6 +151,21 @@ struct drm_gem_object_funcs { void (*vunmap)(struct drm_gem_object *obj, void *vaddr); /** + * @mmap: + * + * Handle mmap() of the gem object, setup vma accordingly. + * + * This callback is optional. + * + * The callback is used by by both drm_gem_mmap_obj() and + * drm_gem_prime_mmap(). When @mmap is present @vm_ops is not + * used, the @mmap callback must set vma->vm_ops instead. The @mmap + * callback is always called with a 0 offset. The caller will remove + * the fake offset as necessary. + */ + int (*mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma); + + /** * @vm_ops: * * Virtual memory operations used with mmap. |