50 static inline int drm_buffer_page(struct drm_buffer *buf)  in drm_buffer_page()  argument
52 	return buf->iterator / PAGE_SIZE;  in drm_buffer_page()
57 static inline int drm_buffer_index(struct drm_buffer *buf)  in drm_buffer_index()  argument
59 	return buf->iterator & (PAGE_SIZE - 1);  in drm_buffer_index()
64 static inline int drm_buffer_unprocessed(struct drm_buffer *buf)  in drm_buffer_unprocessed()  argument
66 	return buf->size - buf->iterator;  in drm_buffer_unprocessed()
72 static inline void drm_buffer_advance(struct drm_buffer *buf, int bytes)  in drm_buffer_advance()  argument
74 	buf->iterator += bytes;  in drm_buffer_advance()
83 extern int drm_buffer_alloc(struct drm_buffer **buf, int size);
92 extern int drm_buffer_copy_from_user(struct drm_buffer *buf,
98 extern void drm_buffer_free(struct drm_buffer *buf);
112 extern void *drm_buffer_read_object(struct drm_buffer *buf,