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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
Hal Rosenstockcbae32c2005-07-27 11:45:38 -07003 * Copyright (c) 2005 Voltaire, Inc. All rights reserved.
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -07004 * Copyright (c) 2006 Intel Corporation. All rights reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 *
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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070033 */
34
35#ifndef IB_SA_H
36#define IB_SA_H
37
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -070038#include <linux/completion.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039#include <linux/compiler.h>
40
Arun Sharma600634972011-07-26 16:09:06 -070041#include <linux/atomic.h>
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -070042
Roland Dreiera4d61e82005-08-25 13:40:04 -070043#include <rdma/ib_verbs.h>
44#include <rdma/ib_mad.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
46enum {
Hal Rosenstockcbae32c2005-07-27 11:45:38 -070047 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
Hal Rosenstockcbae32c2005-07-27 11:45:38 -070049 IB_SA_METHOD_GET_TABLE = 0x12,
50 IB_SA_METHOD_GET_TABLE_RESP = 0x92,
Hal Rosenstock1325cc72005-09-09 13:45:51 -070051 IB_SA_METHOD_DELETE = 0x15,
52 IB_SA_METHOD_DELETE_RESP = 0x95,
53 IB_SA_METHOD_GET_MULTI = 0x14,
54 IB_SA_METHOD_GET_MULTI_RESP = 0x94,
55 IB_SA_METHOD_GET_TRACE_TBL = 0x13
Linus Torvalds1da177e2005-04-16 15:20:36 -070056};
57
Hal Rosenstockfbed8ee2005-09-09 15:24:04 -070058enum {
59 IB_SA_ATTR_CLASS_PORTINFO = 0x01,
60 IB_SA_ATTR_NOTICE = 0x02,
61 IB_SA_ATTR_INFORM_INFO = 0x03,
62 IB_SA_ATTR_NODE_REC = 0x11,
63 IB_SA_ATTR_PORT_INFO_REC = 0x12,
64 IB_SA_ATTR_SL2VL_REC = 0x13,
65 IB_SA_ATTR_SWITCH_REC = 0x14,
66 IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
67 IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
68 IB_SA_ATTR_MCAST_FDB_REC = 0x17,
69 IB_SA_ATTR_SM_INFO_REC = 0x18,
70 IB_SA_ATTR_LINK_REC = 0x20,
71 IB_SA_ATTR_GUID_INFO_REC = 0x30,
72 IB_SA_ATTR_SERVICE_REC = 0x31,
73 IB_SA_ATTR_PARTITION_REC = 0x33,
74 IB_SA_ATTR_PATH_REC = 0x35,
75 IB_SA_ATTR_VL_ARB_REC = 0x36,
76 IB_SA_ATTR_MC_MEMBER_REC = 0x38,
77 IB_SA_ATTR_TRACE_REC = 0x39,
78 IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
79 IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
80 IB_SA_ATTR_INFORM_INFO_REC = 0xf3
81};
82
Linus Torvalds1da177e2005-04-16 15:20:36 -070083enum ib_sa_selector {
Michael S. Tsirkinaec79fc2006-09-18 22:17:08 +030084 IB_SA_GT = 0,
85 IB_SA_LT = 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 IB_SA_EQ = 2,
87 /*
88 * The meaning of "best" depends on the attribute: for
89 * example, for MTU best will return the largest available
90 * MTU, while for packet life time, best will return the
91 * smallest available life time.
92 */
93 IB_SA_BEST = 3
94};
95
Linus Torvalds1da177e2005-04-16 15:20:36 -070096/*
97 * Structures for SA records are named "struct ib_sa_xxx_rec." No
98 * attempt is made to pack structures to match the physical layout of
99 * SA records in SA MADs; all packing and unpacking is handled by the
100 * SA query code.
101 *
102 * For a record with structure ib_sa_xxx_rec, the naming convention
103 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
104 * never use different abbreviations or otherwise change the spelling
105 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
106 *
107 * Reserved rows are indicated with comments to help maintainability.
108 */
109
Sean Hefty733d65f2007-08-08 15:41:28 -0700110#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\
111 IB_SA_COMP_MASK( 1))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
113#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
114#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
115#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
116#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
117/* reserved: 7 */
118#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
119#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
120#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
121#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
122#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
123#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
Sean Hefty733d65f2007-08-08 15:41:28 -0700124#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
126#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
127#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
128#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
129#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
130#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
131#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
132#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
133
134struct ib_sa_path_rec {
Sean Hefty733d65f2007-08-08 15:41:28 -0700135 __be64 service_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136 union ib_gid dgid;
137 union ib_gid sgid;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700138 __be16 dlid;
139 __be16 slid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 int raw_traffic;
141 /* reserved */
Sean Hefty97f52eb2005-08-13 21:05:57 -0700142 __be32 flow_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 u8 hop_limit;
144 u8 traffic_class;
145 int reversible;
146 u8 numb_path;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700147 __be16 pkey;
Sean Hefty733d65f2007-08-08 15:41:28 -0700148 __be16 qos_class;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149 u8 sl;
150 u8 mtu_selector;
Roland Dreier3bf4fb82005-05-25 12:31:31 -0700151 u8 mtu;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700152 u8 rate_selector;
153 u8 rate;
154 u8 packet_life_time_selector;
155 u8 packet_life_time;
156 u8 preference;
157};
158
159#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
160#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
161#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
162#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
163#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
164#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
165#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
166#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
167#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
168#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
169#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
170#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
171#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
172#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
173#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
174#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
175#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
176#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)
177
178struct ib_sa_mcmember_rec {
179 union ib_gid mgid;
180 union ib_gid port_gid;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700181 __be32 qkey;
182 __be16 mlid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183 u8 mtu_selector;
Roland Dreier3bf4fb82005-05-25 12:31:31 -0700184 u8 mtu;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 u8 traffic_class;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700186 __be16 pkey;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187 u8 rate_selector;
188 u8 rate;
189 u8 packet_life_time_selector;
190 u8 packet_life_time;
191 u8 sl;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700192 __be32 flow_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 u8 hop_limit;
194 u8 scope;
195 u8 join_state;
196 int proxy_join;
197};
198
Hal Rosenstockcbae32c2005-07-27 11:45:38 -0700199/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
200#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
201#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
202#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
203/* reserved: 3 */
204#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
205#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
206#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
207#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
208#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
209#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
210#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
211#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
212#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
213#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
214#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
215#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
216#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
217#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
218#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
219#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
220#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
221#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
222#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
223#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
224#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
225#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
226#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
227#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
228#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
229#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
230#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
231#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
232#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
233#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
234#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
235#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
236#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)
237
238#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
239
240struct ib_sa_service_rec {
241 u64 id;
242 union ib_gid gid;
Sean Hefty97f52eb2005-08-13 21:05:57 -0700243 __be16 pkey;
Hal Rosenstockcbae32c2005-07-27 11:45:38 -0700244 /* reserved */
245 u32 lease;
246 u8 key[16];
247 u8 name[64];
248 u8 data8[16];
249 u16 data16[8];
250 u32 data32[4];
251 u64 data64[2];
252};
253
Erez Shitritaeab97e2012-06-19 11:21:38 +0300254#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)
255#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)
256#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)
257#define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3)
258#define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4)
259#define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5)
260#define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6)
261#define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7)
262#define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8)
263#define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9)
264#define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10)
265#define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11)
266
267struct ib_sa_guidinfo_rec {
268 __be16 lid;
269 u8 block_num;
270 /* reserved */
271 u8 res1;
272 __be32 res2;
273 u8 guid_info_list[64];
274};
275
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -0700276struct ib_sa_client {
277 atomic_t users;
278 struct completion comp;
279};
280
281/**
282 * ib_sa_register_client - Register an SA client.
283 */
284void ib_sa_register_client(struct ib_sa_client *client);
285
286/**
287 * ib_sa_unregister_client - Deregister an SA client.
288 * @client: Client object to deregister.
289 */
290void ib_sa_unregister_client(struct ib_sa_client *client);
291
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292struct ib_sa_query;
293
294void ib_sa_cancel_query(int id, struct ib_sa_query *query);
295
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -0700296int ib_sa_path_rec_get(struct ib_sa_client *client,
297 struct ib_device *device, u8 port_num,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298 struct ib_sa_path_rec *rec,
299 ib_sa_comp_mask comp_mask,
Al Virodd0fc662005-10-07 07:46:04 +0100300 int timeout_ms, gfp_t gfp_mask,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301 void (*callback)(int status,
302 struct ib_sa_path_rec *resp,
303 void *context),
304 void *context,
305 struct ib_sa_query **query);
306
Michael S. Tsirkinc1a0b232006-08-21 16:40:12 -0700307int ib_sa_service_rec_query(struct ib_sa_client *client,
308 struct ib_device *device, u8 port_num,
Hal Rosenstockcbae32c2005-07-27 11:45:38 -0700309 u8 method,
310 struct ib_sa_service_rec *rec,
311 ib_sa_comp_mask comp_mask,
Al Virodd0fc662005-10-07 07:46:04 +0100312 int timeout_ms, gfp_t gfp_mask,
Hal Rosenstockcbae32c2005-07-27 11:45:38 -0700313 void (*callback)(int status,
314 struct ib_sa_service_rec *resp,
315 void *context),
316 void *context,
317 struct ib_sa_query **sa_query);
318
Sean Heftyfaec2f72007-02-15 17:00:17 -0800319struct ib_sa_multicast {
320 struct ib_sa_mcmember_rec rec;
321 ib_sa_comp_mask comp_mask;
322 int (*callback)(int status,
323 struct ib_sa_multicast *multicast);
324 void *context;
325};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326
327/**
Sean Heftyfaec2f72007-02-15 17:00:17 -0800328 * ib_sa_join_multicast - Initiates a join request to the specified multicast
329 * group.
330 * @client: SA client
331 * @device: Device associated with the multicast group.
332 * @port_num: Port on the specified device to associate with the multicast
333 * group.
334 * @rec: SA multicast member record specifying group attributes.
335 * @comp_mask: Component mask indicating which group attributes of %rec are
336 * valid.
337 * @gfp_mask: GFP mask for memory allocations.
338 * @callback: User callback invoked once the join operation completes.
339 * @context: User specified context stored with the ib_sa_multicast structure.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 *
Sean Heftyfaec2f72007-02-15 17:00:17 -0800341 * This call initiates a multicast join request with the SA for the specified
342 * multicast group. If the join operation is started successfully, it returns
343 * an ib_sa_multicast structure that is used to track the multicast operation.
344 * Users must free this structure by calling ib_free_multicast, even if the
345 * join operation later fails. (The callback status is non-zero.)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 *
Sean Heftyfaec2f72007-02-15 17:00:17 -0800347 * If the join operation fails; status will be non-zero, with the following
348 * failures possible:
349 * -ETIMEDOUT: The request timed out.
350 * -EIO: An error occurred sending the query.
351 * -EINVAL: The MCMemberRecord values differed from the existing group's.
352 * -ENETRESET: Indicates that an fatal error has occurred on the multicast
353 * group, and the user must rejoin the group to continue using it.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354 */
Sean Heftyfaec2f72007-02-15 17:00:17 -0800355struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
356 struct ib_device *device, u8 port_num,
357 struct ib_sa_mcmember_rec *rec,
358 ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
359 int (*callback)(int status,
360 struct ib_sa_multicast
361 *multicast),
362 void *context);
363
364/**
365 * ib_free_multicast - Frees the multicast tracking structure, and releases
366 * any reference on the multicast group.
367 * @multicast: Multicast tracking structure allocated by ib_join_multicast.
368 *
369 * This call blocks until the multicast identifier is destroyed. It may
370 * not be called from within the multicast callback; however, returning a non-
371 * zero value from the callback will result in destroying the multicast
372 * tracking structure.
373 */
374void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
375
376/**
377 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
378 * returns it if found.
379 * @device: Device associated with the multicast group.
380 * @port_num: Port on the specified device to associate with the multicast
381 * group.
382 * @mgid: MGID of multicast group.
383 * @rec: Location to copy SA multicast member record.
384 */
385int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
386 union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
387
388/**
389 * ib_init_ah_from_mcmember - Initialize address handle attributes based on
390 * an SA multicast member record.
391 */
392int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
393 struct ib_sa_mcmember_rec *rec,
394 struct ib_ah_attr *ah_attr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395
Sean Hefty6d969a42006-06-17 20:37:39 -0700396/**
397 * ib_init_ah_from_path - Initialize address handle attributes based on an SA
398 * path record.
399 */
400int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
401 struct ib_sa_path_rec *rec,
402 struct ib_ah_attr *ah_attr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403
Sean Heftya7ca1f02009-11-16 09:30:33 -0800404/**
405 * ib_sa_unpack_path - Convert a path record from MAD format to struct
406 * ib_sa_path_rec.
407 */
408void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
409
Erez Shitritaeab97e2012-06-19 11:21:38 +0300410/* Support GuidInfoRecord */
411int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
412 struct ib_device *device, u8 port_num,
413 struct ib_sa_guidinfo_rec *rec,
414 ib_sa_comp_mask comp_mask, u8 method,
415 int timeout_ms, gfp_t gfp_mask,
416 void (*callback)(int status,
417 struct ib_sa_guidinfo_rec *resp,
418 void *context),
419 void *context,
420 struct ib_sa_query **sa_query);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421#endif /* IB_SA_H */