1/*
2 * Copyright (c) 2018, Mellanox Technologies inc.  All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses.  You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 *     Redistribution and use in source and binary forms, with or
11 *     without modification, are permitted provided that the following
12 *     conditions are met:
13 *
14 *      - Redistributions of source code must retain the above
15 *        copyright notice, this list of conditions and the following
16 *        disclaimer.
17 *
18 *      - Redistributions in binary form must reproduce the above
19 *        copyright notice, this list of conditions and the following
20 *        disclaimer in the documentation and/or other materials
21 *        provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#include "rdma_core.h"
34#include "uverbs.h"
35#include <rdma/uverbs_std_types.h>
36
37static int uverbs_free_flow_action(struct ib_uobject *uobject,
38				   enum rdma_remove_reason why,
39				   struct uverbs_attr_bundle *attrs)
40{
41	struct ib_flow_action *action = uobject->object;
42
43	if (atomic_read(&action->usecnt))
44		return -EBUSY;
45
46	return action->device->ops.destroy_flow_action(action);
47}
48
49DECLARE_UVERBS_NAMED_METHOD_DESTROY(
50	UVERBS_METHOD_FLOW_ACTION_DESTROY,
51	UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE,
52			UVERBS_OBJECT_FLOW_ACTION,
53			UVERBS_ACCESS_DESTROY,
54			UA_MANDATORY));
55
56DECLARE_UVERBS_NAMED_OBJECT(
57	UVERBS_OBJECT_FLOW_ACTION,
58	UVERBS_TYPE_ALLOC_IDR(uverbs_free_flow_action),
59	&UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_DESTROY));
60
61const struct uapi_definition uverbs_def_obj_flow_action[] = {
62	UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
63		UVERBS_OBJECT_FLOW_ACTION,
64		UAPI_DEF_OBJ_NEEDS_FN(destroy_flow_action)),
65	{}
66};
67