127 	struct ttm_object_file *tfile;  member
133 ttm_object_file_ref(struct ttm_object_file *tfile)  in ttm_object_file_ref()  argument
135 	kref_get(&tfile->refcount);  in ttm_object_file_ref()
136 	return tfile;  in ttm_object_file_ref()
139 static int ttm_tfile_find_ref_rcu(struct ttm_object_file *tfile,  in ttm_tfile_find_ref_rcu()  argument
145 	hash_for_each_possible_rcu(tfile->ref_hash, hash, head, key) {  in ttm_tfile_find_ref_rcu()
154 static int ttm_tfile_find_ref(struct ttm_object_file *tfile,  in ttm_tfile_find_ref()  argument
160 	hash_for_each_possible(tfile->ref_hash, hash, head, key) {  in ttm_tfile_find_ref()
171 	struct ttm_object_file *tfile =  in ttm_object_file_destroy()  local
174 	kfree(tfile);  in ttm_object_file_destroy()
180 	struct ttm_object_file *tfile = *p_tfile;  in ttm_object_file_unref()  local
183 	kref_put(&tfile->refcount, ttm_object_file_destroy);  in ttm_object_file_unref()
187 int ttm_base_object_init(struct ttm_object_file *tfile,  in ttm_base_object_init()  argument
193 	struct ttm_object_device *tdev = tfile->tdev;  in ttm_base_object_init()
197 	base->tfile = ttm_object_file_ref(tfile);  in ttm_base_object_init()
210 	ret = ttm_ref_object_add(tfile, base, NULL, false);  in ttm_base_object_init()
228 	struct ttm_object_device *tdev = base->tfile->tdev;  in ttm_release_base()
240 	ttm_object_file_unref(&base->tfile);  in ttm_release_base()
254 struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file *tfile,  in ttm_base_object_lookup()  argument
261 	spin_lock(&tfile->lock);  in ttm_base_object_lookup()
262 	ret = ttm_tfile_find_ref(tfile, key, &hash);  in ttm_base_object_lookup()
269 	spin_unlock(&tfile->lock);  in ttm_base_object_lookup()
290 int ttm_ref_object_add(struct ttm_object_file *tfile,  in ttm_ref_object_add()  argument
299 	if (base->tfile != tfile && !base->shareable)  in ttm_ref_object_add()
307 		ret = ttm_tfile_find_ref_rcu(tfile, base->handle, &hash);  in ttm_ref_object_add()
328 		ref->tfile = tfile;  in ttm_ref_object_add()
331 		spin_lock(&tfile->lock);  in ttm_ref_object_add()
332 		hash_add_rcu(tfile->ref_hash, &ref->hash.head, ref->hash.key);  in ttm_ref_object_add()
335 		list_add_tail(&ref->head, &tfile->ref_list);  in ttm_ref_object_add()
337 		spin_unlock(&tfile->lock);  in ttm_ref_object_add()
345 static void __releases(tfile->lock) __acquires(tfile->lock)
350 	struct ttm_object_file *tfile = ref->tfile;  in ttm_ref_object_release()  local
354 	spin_unlock(&tfile->lock);  in ttm_ref_object_release()
358 	spin_lock(&tfile->lock);  in ttm_ref_object_release()
361 int ttm_ref_object_base_unref(struct ttm_object_file *tfile,  in ttm_ref_object_base_unref()  argument
368 	spin_lock(&tfile->lock);  in ttm_ref_object_base_unref()
369 	ret = ttm_tfile_find_ref(tfile, key, &hash);  in ttm_ref_object_base_unref()
371 		spin_unlock(&tfile->lock);  in ttm_ref_object_base_unref()
376 	spin_unlock(&tfile->lock);  in ttm_ref_object_base_unref()
384 	struct ttm_object_file *tfile = *p_tfile;  in ttm_object_file_release()  local
387 	spin_lock(&tfile->lock);  in ttm_object_file_release()
394 	while (!list_empty(&tfile->ref_list)) {  in ttm_object_file_release()
395 		list = tfile->ref_list.next;  in ttm_object_file_release()
400 	spin_unlock(&tfile->lock);  in ttm_object_file_release()
402 	ttm_object_file_unref(&tfile);  in ttm_object_file_release()
407 	struct ttm_object_file *tfile = kmalloc(sizeof(*tfile), GFP_KERNEL);  in ttm_object_file_init()  local
409 	if (unlikely(tfile == NULL))  in ttm_object_file_init()
412 	spin_lock_init(&tfile->lock);  in ttm_object_file_init()
413 	tfile->tdev = tdev;  in ttm_object_file_init()
414 	kref_init(&tfile->refcount);  in ttm_object_file_init()
415 	INIT_LIST_HEAD(&tfile->ref_list);  in ttm_object_file_init()
417 	hash_init(tfile->ref_hash);  in ttm_object_file_init()
419 	return tfile;  in ttm_object_file_init()
515 	struct ttm_object_device *tdev = base->tfile->tdev;  in ttm_prime_dmabuf_release()
537 int ttm_prime_fd_to_handle(struct ttm_object_file *tfile,  in ttm_prime_fd_to_handle()  argument
540 	struct ttm_object_device *tdev = tfile->tdev;  in ttm_prime_fd_to_handle()
556 	ret = ttm_ref_object_add(tfile, base, NULL, false);  in ttm_prime_fd_to_handle()
572 int ttm_prime_handle_to_fd(struct ttm_object_file *tfile,  in ttm_prime_handle_to_fd()  argument
576 	struct ttm_object_device *tdev = tfile->tdev;  in ttm_prime_handle_to_fd()
582 	base = ttm_base_object_lookup(tfile, handle);  in ttm_prime_handle_to_fd()
653 int ttm_prime_object_init(struct ttm_object_file *tfile, size_t size,  in ttm_prime_object_init()  argument
664 	return ttm_base_object_init(tfile, &prime->base, shareable,  in ttm_prime_object_init()