xref: /OK3568_Linux_fs/kernel/drivers/infiniband/core/sa.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2004 Topspin Communications.  All rights reserved.
3*4882a593Smuzhiyun  * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
4*4882a593Smuzhiyun  * Copyright (c) 2006 Intel Corporation.  All rights reserved.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
7*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
8*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
9*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
10*4882a593Smuzhiyun  * OpenIB.org BSD license below:
11*4882a593Smuzhiyun  *
12*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
13*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
14*4882a593Smuzhiyun  *     conditions are met:
15*4882a593Smuzhiyun  *
16*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
17*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
18*4882a593Smuzhiyun  *        disclaimer.
19*4882a593Smuzhiyun  *
20*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
21*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
22*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
23*4882a593Smuzhiyun  *        provided with the distribution.
24*4882a593Smuzhiyun  *
25*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32*4882a593Smuzhiyun  * SOFTWARE.
33*4882a593Smuzhiyun  */
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #ifndef SA_H
36*4882a593Smuzhiyun #define SA_H
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #include <rdma/ib_sa.h>
39*4882a593Smuzhiyun 
ib_sa_client_get(struct ib_sa_client * client)40*4882a593Smuzhiyun static inline void ib_sa_client_get(struct ib_sa_client *client)
41*4882a593Smuzhiyun {
42*4882a593Smuzhiyun 	atomic_inc(&client->users);
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun 
ib_sa_client_put(struct ib_sa_client * client)45*4882a593Smuzhiyun static inline void ib_sa_client_put(struct ib_sa_client *client)
46*4882a593Smuzhiyun {
47*4882a593Smuzhiyun 	if (atomic_dec_and_test(&client->users))
48*4882a593Smuzhiyun 		complete(&client->comp);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
52*4882a593Smuzhiyun 			     struct ib_device *device, u8 port_num, u8 method,
53*4882a593Smuzhiyun 			     struct ib_sa_mcmember_rec *rec,
54*4882a593Smuzhiyun 			     ib_sa_comp_mask comp_mask,
55*4882a593Smuzhiyun 			     unsigned long timeout_ms, gfp_t gfp_mask,
56*4882a593Smuzhiyun 			     void (*callback)(int status,
57*4882a593Smuzhiyun 					      struct ib_sa_mcmember_rec *resp,
58*4882a593Smuzhiyun 					      void *context),
59*4882a593Smuzhiyun 			     void *context, struct ib_sa_query **sa_query);
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun int mcast_init(void);
62*4882a593Smuzhiyun void mcast_cleanup(void);
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun #endif /* SA_H */
65