xref: /freebsd/sys/ofed/include/rdma/ib_sa.h (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
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 IB_SA_H
40 #define IB_SA_H
41 
42 #include <linux/completion.h>
43 #include <linux/compiler.h>
44 #include <linux/netdevice.h>
45 
46 #include <rdma/ib_addr_freebsd.h>
47 #include <rdma/ib_verbs.h>
48 #include <rdma/ib_mad.h>
49 
50 enum {
51 	IB_SA_CLASS_VERSION		= 2,	/* IB spec version 1.1/1.2 */
52 
53 	IB_SA_METHOD_GET_TABLE		= 0x12,
54 	IB_SA_METHOD_GET_TABLE_RESP	= 0x92,
55 	IB_SA_METHOD_DELETE		= 0x15,
56 	IB_SA_METHOD_DELETE_RESP	= 0x95,
57 	IB_SA_METHOD_GET_MULTI		= 0x14,
58 	IB_SA_METHOD_GET_MULTI_RESP	= 0x94,
59 	IB_SA_METHOD_GET_TRACE_TBL	= 0x13
60 };
61 
62 enum {
63 	IB_SA_ATTR_CLASS_PORTINFO    = 0x01,
64 	IB_SA_ATTR_NOTICE	     = 0x02,
65 	IB_SA_ATTR_INFORM_INFO	     = 0x03,
66 	IB_SA_ATTR_NODE_REC	     = 0x11,
67 	IB_SA_ATTR_PORT_INFO_REC     = 0x12,
68 	IB_SA_ATTR_SL2VL_REC	     = 0x13,
69 	IB_SA_ATTR_SWITCH_REC	     = 0x14,
70 	IB_SA_ATTR_LINEAR_FDB_REC    = 0x15,
71 	IB_SA_ATTR_RANDOM_FDB_REC    = 0x16,
72 	IB_SA_ATTR_MCAST_FDB_REC     = 0x17,
73 	IB_SA_ATTR_SM_INFO_REC	     = 0x18,
74 	IB_SA_ATTR_LINK_REC	     = 0x20,
75 	IB_SA_ATTR_GUID_INFO_REC     = 0x30,
76 	IB_SA_ATTR_SERVICE_REC	     = 0x31,
77 	IB_SA_ATTR_PARTITION_REC     = 0x33,
78 	IB_SA_ATTR_PATH_REC	     = 0x35,
79 	IB_SA_ATTR_VL_ARB_REC	     = 0x36,
80 	IB_SA_ATTR_MC_MEMBER_REC     = 0x38,
81 	IB_SA_ATTR_TRACE_REC	     = 0x39,
82 	IB_SA_ATTR_MULTI_PATH_REC    = 0x3a,
83 	IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
84 	IB_SA_ATTR_INFORM_INFO_REC   = 0xf3
85 };
86 
87 enum ib_sa_selector {
88 	IB_SA_GT   = 0,
89 	IB_SA_LT   = 1,
90 	IB_SA_EQ   = 2,
91 	/*
92 	 * The meaning of "best" depends on the attribute: for
93 	 * example, for MTU best will return the largest available
94 	 * MTU, while for packet life time, best will return the
95 	 * smallest available life time.
96 	 */
97 	IB_SA_BEST = 3
98 };
99 
100 /*
101  * There are 4 types of join states:
102  * FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember.
103  * The order corresponds to JoinState bits in MCMemberRecord.
104  */
105 enum ib_sa_mc_join_states {
106 	FULLMEMBER_JOIN,
107 	NONMEMBER_JOIN,
108 	SENDONLY_NONMEBER_JOIN,
109 	SENDONLY_FULLMEMBER_JOIN,
110 	NUM_JOIN_MEMBERSHIP_TYPES,
111 };
112 
113 #define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT	BIT(12)
114 
115 /*
116  * Structures for SA records are named "struct ib_sa_xxx_rec."  No
117  * attempt is made to pack structures to match the physical layout of
118  * SA records in SA MADs; all packing and unpacking is handled by the
119  * SA query code.
120  *
121  * For a record with structure ib_sa_xxx_rec, the naming convention
122  * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
123  * never use different abbreviations or otherwise change the spelling
124  * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
125  *
126  * Reserved rows are indicated with comments to help maintainability.
127  */
128 
129 #define IB_SA_PATH_REC_SERVICE_ID		       (IB_SA_COMP_MASK( 0) |\
130 							IB_SA_COMP_MASK( 1))
131 #define IB_SA_PATH_REC_DGID				IB_SA_COMP_MASK( 2)
132 #define IB_SA_PATH_REC_SGID				IB_SA_COMP_MASK( 3)
133 #define IB_SA_PATH_REC_DLID				IB_SA_COMP_MASK( 4)
134 #define IB_SA_PATH_REC_SLID				IB_SA_COMP_MASK( 5)
135 #define IB_SA_PATH_REC_RAW_TRAFFIC			IB_SA_COMP_MASK( 6)
136 /* reserved:								 7 */
137 #define IB_SA_PATH_REC_FLOW_LABEL       		IB_SA_COMP_MASK( 8)
138 #define IB_SA_PATH_REC_HOP_LIMIT			IB_SA_COMP_MASK( 9)
139 #define IB_SA_PATH_REC_TRAFFIC_CLASS			IB_SA_COMP_MASK(10)
140 #define IB_SA_PATH_REC_REVERSIBLE			IB_SA_COMP_MASK(11)
141 #define IB_SA_PATH_REC_NUMB_PATH			IB_SA_COMP_MASK(12)
142 #define IB_SA_PATH_REC_PKEY				IB_SA_COMP_MASK(13)
143 #define IB_SA_PATH_REC_QOS_CLASS			IB_SA_COMP_MASK(14)
144 #define IB_SA_PATH_REC_SL				IB_SA_COMP_MASK(15)
145 #define IB_SA_PATH_REC_MTU_SELECTOR			IB_SA_COMP_MASK(16)
146 #define IB_SA_PATH_REC_MTU				IB_SA_COMP_MASK(17)
147 #define IB_SA_PATH_REC_RATE_SELECTOR			IB_SA_COMP_MASK(18)
148 #define IB_SA_PATH_REC_RATE				IB_SA_COMP_MASK(19)
149 #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(20)
150 #define IB_SA_PATH_REC_PACKET_LIFE_TIME			IB_SA_COMP_MASK(21)
151 #define IB_SA_PATH_REC_PREFERENCE			IB_SA_COMP_MASK(22)
152 
153 struct ib_sa_path_rec {
154 	__be64       service_id;
155 	union ib_gid dgid;
156 	union ib_gid sgid;
157 	__be16       dlid;
158 	__be16       slid;
159 	int          raw_traffic;
160 	/* reserved */
161 	__be32       flow_label;
162 	u8           hop_limit;
163 	u8           traffic_class;
164 	int          reversible;
165 	u8           numb_path;
166 	__be16       pkey;
167 	__be16       qos_class;
168 	u8           sl;
169 	u8           mtu_selector;
170 	u8           mtu;
171 	u8           rate_selector;
172 	u8           rate;
173 	u8           packet_life_time_selector;
174 	u8           packet_life_time;
175 	u8           preference;
176 	u8           dmac[ETH_ALEN];
177 	/* ignored in IB */
178 	int	     ifindex;
179 	/* ignored in IB */
180 	struct vnet  *net;
181 	enum ib_gid_type gid_type;
182 };
183 
184 static inline if_t ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
185 {
186 #ifdef VIMAGE
187 	if (rec->net == NULL)
188 		return NULL;
189 #endif
190 	return dev_get_by_index(rec->net, rec->ifindex);
191 }
192 
193 #define IB_SA_MCMEMBER_REC_MGID				IB_SA_COMP_MASK( 0)
194 #define IB_SA_MCMEMBER_REC_PORT_GID			IB_SA_COMP_MASK( 1)
195 #define IB_SA_MCMEMBER_REC_QKEY				IB_SA_COMP_MASK( 2)
196 #define IB_SA_MCMEMBER_REC_MLID				IB_SA_COMP_MASK( 3)
197 #define IB_SA_MCMEMBER_REC_MTU_SELECTOR			IB_SA_COMP_MASK( 4)
198 #define IB_SA_MCMEMBER_REC_MTU				IB_SA_COMP_MASK( 5)
199 #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS		IB_SA_COMP_MASK( 6)
200 #define IB_SA_MCMEMBER_REC_PKEY				IB_SA_COMP_MASK( 7)
201 #define IB_SA_MCMEMBER_REC_RATE_SELECTOR		IB_SA_COMP_MASK( 8)
202 #define IB_SA_MCMEMBER_REC_RATE				IB_SA_COMP_MASK( 9)
203 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(10)
204 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME		IB_SA_COMP_MASK(11)
205 #define IB_SA_MCMEMBER_REC_SL				IB_SA_COMP_MASK(12)
206 #define IB_SA_MCMEMBER_REC_FLOW_LABEL			IB_SA_COMP_MASK(13)
207 #define IB_SA_MCMEMBER_REC_HOP_LIMIT			IB_SA_COMP_MASK(14)
208 #define IB_SA_MCMEMBER_REC_SCOPE			IB_SA_COMP_MASK(15)
209 #define IB_SA_MCMEMBER_REC_JOIN_STATE			IB_SA_COMP_MASK(16)
210 #define IB_SA_MCMEMBER_REC_PROXY_JOIN			IB_SA_COMP_MASK(17)
211 
212 struct ib_sa_mcmember_rec {
213 	union ib_gid mgid;
214 	union ib_gid port_gid;
215 	__be32       qkey;
216 	__be16       mlid;
217 	u8           mtu_selector;
218 	u8           mtu;
219 	u8           traffic_class;
220 	__be16       pkey;
221 	u8 	     rate_selector;
222 	u8 	     rate;
223 	u8 	     packet_life_time_selector;
224 	u8 	     packet_life_time;
225 	u8           sl;
226 	__be32       flow_label;
227 	u8           hop_limit;
228 	u8           scope;
229 	u8           join_state;
230 	int          proxy_join;
231 };
232 
233 /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1	*/
234 #define IB_SA_SERVICE_REC_SERVICE_ID			IB_SA_COMP_MASK( 0)
235 #define IB_SA_SERVICE_REC_SERVICE_GID			IB_SA_COMP_MASK( 1)
236 #define IB_SA_SERVICE_REC_SERVICE_PKEY			IB_SA_COMP_MASK( 2)
237 /* reserved:								 3 */
238 #define IB_SA_SERVICE_REC_SERVICE_LEASE			IB_SA_COMP_MASK( 4)
239 #define IB_SA_SERVICE_REC_SERVICE_KEY			IB_SA_COMP_MASK( 5)
240 #define IB_SA_SERVICE_REC_SERVICE_NAME			IB_SA_COMP_MASK( 6)
241 #define IB_SA_SERVICE_REC_SERVICE_DATA8_0		IB_SA_COMP_MASK( 7)
242 #define IB_SA_SERVICE_REC_SERVICE_DATA8_1		IB_SA_COMP_MASK( 8)
243 #define IB_SA_SERVICE_REC_SERVICE_DATA8_2		IB_SA_COMP_MASK( 9)
244 #define IB_SA_SERVICE_REC_SERVICE_DATA8_3		IB_SA_COMP_MASK(10)
245 #define IB_SA_SERVICE_REC_SERVICE_DATA8_4		IB_SA_COMP_MASK(11)
246 #define IB_SA_SERVICE_REC_SERVICE_DATA8_5		IB_SA_COMP_MASK(12)
247 #define IB_SA_SERVICE_REC_SERVICE_DATA8_6		IB_SA_COMP_MASK(13)
248 #define IB_SA_SERVICE_REC_SERVICE_DATA8_7		IB_SA_COMP_MASK(14)
249 #define IB_SA_SERVICE_REC_SERVICE_DATA8_8		IB_SA_COMP_MASK(15)
250 #define IB_SA_SERVICE_REC_SERVICE_DATA8_9		IB_SA_COMP_MASK(16)
251 #define IB_SA_SERVICE_REC_SERVICE_DATA8_10		IB_SA_COMP_MASK(17)
252 #define IB_SA_SERVICE_REC_SERVICE_DATA8_11		IB_SA_COMP_MASK(18)
253 #define IB_SA_SERVICE_REC_SERVICE_DATA8_12		IB_SA_COMP_MASK(19)
254 #define IB_SA_SERVICE_REC_SERVICE_DATA8_13		IB_SA_COMP_MASK(20)
255 #define IB_SA_SERVICE_REC_SERVICE_DATA8_14		IB_SA_COMP_MASK(21)
256 #define IB_SA_SERVICE_REC_SERVICE_DATA8_15		IB_SA_COMP_MASK(22)
257 #define IB_SA_SERVICE_REC_SERVICE_DATA16_0		IB_SA_COMP_MASK(23)
258 #define IB_SA_SERVICE_REC_SERVICE_DATA16_1		IB_SA_COMP_MASK(24)
259 #define IB_SA_SERVICE_REC_SERVICE_DATA16_2		IB_SA_COMP_MASK(25)
260 #define IB_SA_SERVICE_REC_SERVICE_DATA16_3		IB_SA_COMP_MASK(26)
261 #define IB_SA_SERVICE_REC_SERVICE_DATA16_4		IB_SA_COMP_MASK(27)
262 #define IB_SA_SERVICE_REC_SERVICE_DATA16_5		IB_SA_COMP_MASK(28)
263 #define IB_SA_SERVICE_REC_SERVICE_DATA16_6		IB_SA_COMP_MASK(29)
264 #define IB_SA_SERVICE_REC_SERVICE_DATA16_7		IB_SA_COMP_MASK(30)
265 #define IB_SA_SERVICE_REC_SERVICE_DATA32_0		IB_SA_COMP_MASK(31)
266 #define IB_SA_SERVICE_REC_SERVICE_DATA32_1		IB_SA_COMP_MASK(32)
267 #define IB_SA_SERVICE_REC_SERVICE_DATA32_2		IB_SA_COMP_MASK(33)
268 #define IB_SA_SERVICE_REC_SERVICE_DATA32_3		IB_SA_COMP_MASK(34)
269 #define IB_SA_SERVICE_REC_SERVICE_DATA64_0		IB_SA_COMP_MASK(35)
270 #define IB_SA_SERVICE_REC_SERVICE_DATA64_1		IB_SA_COMP_MASK(36)
271 
272 #define IB_DEFAULT_SERVICE_LEASE 	0xFFFFFFFF
273 
274 struct ib_sa_service_rec {
275 	u64		id;
276 	union ib_gid	gid;
277 	__be16 		pkey;
278 	/* reserved */
279 	u32		lease;
280 	u8		key[16];
281 	u8		name[64];
282 	u8		data8[16];
283 	u16		data16[8];
284 	u32		data32[4];
285 	u64		data64[2];
286 };
287 
288 #define IB_SA_GUIDINFO_REC_LID		IB_SA_COMP_MASK(0)
289 #define IB_SA_GUIDINFO_REC_BLOCK_NUM	IB_SA_COMP_MASK(1)
290 #define IB_SA_GUIDINFO_REC_RES1		IB_SA_COMP_MASK(2)
291 #define IB_SA_GUIDINFO_REC_RES2		IB_SA_COMP_MASK(3)
292 #define IB_SA_GUIDINFO_REC_GID0		IB_SA_COMP_MASK(4)
293 #define IB_SA_GUIDINFO_REC_GID1		IB_SA_COMP_MASK(5)
294 #define IB_SA_GUIDINFO_REC_GID2		IB_SA_COMP_MASK(6)
295 #define IB_SA_GUIDINFO_REC_GID3		IB_SA_COMP_MASK(7)
296 #define IB_SA_GUIDINFO_REC_GID4		IB_SA_COMP_MASK(8)
297 #define IB_SA_GUIDINFO_REC_GID5		IB_SA_COMP_MASK(9)
298 #define IB_SA_GUIDINFO_REC_GID6		IB_SA_COMP_MASK(10)
299 #define IB_SA_GUIDINFO_REC_GID7		IB_SA_COMP_MASK(11)
300 
301 struct ib_sa_guidinfo_rec {
302 	__be16	lid;
303 	u8	block_num;
304 	/* reserved */
305 	u8	res1;
306 	__be32	res2;
307 	u8	guid_info_list[64];
308 };
309 
310 struct ib_sa_client {
311 	atomic_t users;
312 	struct completion comp;
313 };
314 
315 /**
316  * ib_sa_register_client - Register an SA client.
317  */
318 void ib_sa_register_client(struct ib_sa_client *client);
319 
320 /**
321  * ib_sa_unregister_client - Deregister an SA client.
322  * @client: Client object to deregister.
323  */
324 void ib_sa_unregister_client(struct ib_sa_client *client);
325 
326 struct ib_sa_query;
327 
328 void ib_sa_cancel_query(int id, struct ib_sa_query *query);
329 
330 int ib_sa_path_rec_get(struct ib_sa_client *client,
331 		       struct ib_device *device, u8 port_num,
332 		       struct ib_sa_path_rec *rec,
333 		       ib_sa_comp_mask comp_mask,
334 		       int timeout_ms, gfp_t gfp_mask,
335 		       void (*callback)(int status,
336 					struct ib_sa_path_rec *resp,
337 					void *context),
338 		       void *context,
339 		       struct ib_sa_query **query);
340 
341 int ib_sa_service_rec_query(struct ib_sa_client *client,
342 			 struct ib_device *device, u8 port_num,
343 			 u8 method,
344 			 struct ib_sa_service_rec *rec,
345 			 ib_sa_comp_mask comp_mask,
346 			 int timeout_ms, gfp_t gfp_mask,
347 			 void (*callback)(int status,
348 					  struct ib_sa_service_rec *resp,
349 					  void *context),
350 			 void *context,
351 			 struct ib_sa_query **sa_query);
352 
353 struct ib_sa_multicast {
354 	struct ib_sa_mcmember_rec rec;
355 	ib_sa_comp_mask		comp_mask;
356 	int			(*callback)(int status,
357 					    struct ib_sa_multicast *multicast);
358 	void			*context;
359 };
360 
361 /**
362  * ib_sa_join_multicast - Initiates a join request to the specified multicast
363  *   group.
364  * @client: SA client
365  * @device: Device associated with the multicast group.
366  * @port_num: Port on the specified device to associate with the multicast
367  *   group.
368  * @rec: SA multicast member record specifying group attributes.
369  * @comp_mask: Component mask indicating which group attributes of %rec are
370  *   valid.
371  * @gfp_mask: GFP mask for memory allocations.
372  * @callback: User callback invoked once the join operation completes.
373  * @context: User specified context stored with the ib_sa_multicast structure.
374  *
375  * This call initiates a multicast join request with the SA for the specified
376  * multicast group.  If the join operation is started successfully, it returns
377  * an ib_sa_multicast structure that is used to track the multicast operation.
378  * Users must free this structure by calling ib_free_multicast, even if the
379  * join operation later fails.  (The callback status is non-zero.)
380  *
381  * If the join operation fails; status will be non-zero, with the following
382  * failures possible:
383  * -ETIMEDOUT: The request timed out.
384  * -EIO: An error occurred sending the query.
385  * -EINVAL: The MCMemberRecord values differed from the existing group's.
386  * -ENETRESET: Indicates that an fatal error has occurred on the multicast
387  *   group, and the user must rejoin the group to continue using it.
388  */
389 struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
390 					     struct ib_device *device, u8 port_num,
391 					     struct ib_sa_mcmember_rec *rec,
392 					     ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
393 					     int (*callback)(int status,
394 							     struct ib_sa_multicast
395 								    *multicast),
396 					     void *context);
397 
398 /**
399  * ib_free_multicast - Frees the multicast tracking structure, and releases
400  *    any reference on the multicast group.
401  * @multicast: Multicast tracking structure allocated by ib_join_multicast.
402  *
403  * This call blocks until the multicast identifier is destroyed.  It may
404  * not be called from within the multicast callback; however, returning a non-
405  * zero value from the callback will result in destroying the multicast
406  * tracking structure.
407  */
408 void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
409 
410 /**
411  * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
412  *   returns it if found.
413  * @device: Device associated with the multicast group.
414  * @port_num: Port on the specified device to associate with the multicast
415  *   group.
416  * @mgid: MGID of multicast group.
417  * @rec: Location to copy SA multicast member record.
418  */
419 int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
420 			   union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
421 
422 /**
423  * ib_init_ah_from_mcmember - Initialize address handle attributes based on
424  * an SA multicast member record.
425  */
426 int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
427 			     struct ib_sa_mcmember_rec *rec,
428 			     if_t ndev,
429 			     enum ib_gid_type gid_type,
430 			     struct ib_ah_attr *ah_attr);
431 
432 /**
433  * ib_init_ah_from_path - Initialize address handle attributes based on an SA
434  *   path record.
435  */
436 int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
437 			 struct ib_sa_path_rec *rec,
438 			 struct ib_ah_attr *ah_attr);
439 
440 /**
441  * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
442  * to IB MAD wire format.
443  */
444 void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
445 
446 /**
447  * ib_sa_unpack_path - Convert a path record from MAD format to struct
448  * ib_sa_path_rec.
449  */
450 void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
451 
452 /* Support GuidInfoRecord */
453 int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
454 			      struct ib_device *device, u8 port_num,
455 			      struct ib_sa_guidinfo_rec *rec,
456 			      ib_sa_comp_mask comp_mask, u8 method,
457 			      int timeout_ms, gfp_t gfp_mask,
458 			      void (*callback)(int status,
459 					       struct ib_sa_guidinfo_rec *resp,
460 					       void *context),
461 			      void *context,
462 			      struct ib_sa_query **sa_query);
463 
464 /* Support get SA ClassPortInfo */
465 int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
466 				   struct ib_device *device, u8 port_num,
467 				   int timeout_ms, gfp_t gfp_mask,
468 				   void (*callback)(int status,
469 						    struct ib_class_port_info *resp,
470 						    void *context),
471 				   void *context,
472 				   struct ib_sa_query **sa_query);
473 
474 #endif /* IB_SA_H */
475