xref: /openbmc/linux/drivers/infiniband/core/sa.h (revision 5d331b7f)
1 /*
2  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
3  * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
4  * Copyright (c) 2006 Intel Corporation.  All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #ifndef SA_H
36 #define SA_H
37 
38 #include <rdma/ib_sa.h>
39 
40 static inline void ib_sa_client_get(struct ib_sa_client *client)
41 {
42 	atomic_inc(&client->users);
43 }
44 
45 static inline void ib_sa_client_put(struct ib_sa_client *client)
46 {
47 	if (atomic_dec_and_test(&client->users))
48 		complete(&client->comp);
49 }
50 
51 int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
52 			     struct ib_device *device, u8 port_num, u8 method,
53 			     struct ib_sa_mcmember_rec *rec,
54 			     ib_sa_comp_mask comp_mask,
55 			     unsigned long timeout_ms, gfp_t gfp_mask,
56 			     void (*callback)(int status,
57 					      struct ib_sa_mcmember_rec *resp,
58 					      void *context),
59 			     void *context, struct ib_sa_query **sa_query);
60 
61 int mcast_init(void);
62 void mcast_cleanup(void);
63 
64 #endif /* SA_H */
65