xref: /freebsd/sys/ofed/drivers/infiniband/core/sa.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
5  * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
6  * Copyright (c) 2006 Intel Corporation.  All rights reserved.
7  *
8  * This software is available to you under a choice of one of two
9  * licenses.  You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * OpenIB.org BSD license below:
13  *
14  *     Redistribution and use in source and binary forms, with or
15  *     without modification, are permitted provided that the following
16  *     conditions are met:
17  *
18  *      - Redistributions of source code must retain the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer.
21  *
22  *      - Redistributions in binary form must reproduce the above
23  *        copyright notice, this list of conditions and the following
24  *        disclaimer in the documentation and/or other materials
25  *        provided with the distribution.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34  * SOFTWARE.
35  *
36  * $FreeBSD$
37  */
38 
39 #ifndef SA_H
40 #define SA_H
41 
42 #include <rdma/ib_sa.h>
43 
44 static inline void ib_sa_client_get(struct ib_sa_client *client)
45 {
46 	atomic_inc(&client->users);
47 }
48 
49 static inline void ib_sa_client_put(struct ib_sa_client *client)
50 {
51 	if (atomic_dec_and_test(&client->users))
52 		complete(&client->comp);
53 }
54 
55 int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
56 			     struct ib_device *device, u8 port_num,
57 			     u8 method,
58 			     struct ib_sa_mcmember_rec *rec,
59 			     ib_sa_comp_mask comp_mask,
60 			     int timeout_ms, gfp_t gfp_mask,
61 			     void (*callback)(int status,
62 					      struct ib_sa_mcmember_rec *resp,
63 					      void *context),
64 			     void *context,
65 			     struct ib_sa_query **sa_query);
66 
67 int mcast_init(void);
68 void mcast_cleanup(void);
69 
70 #endif /* SA_H */
71