include/rdma/ib_sa.h

   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 IB_SA_H
  36 #define IB_SA_H
  37
  38 #include <linux/completion.h>
  39 #include <linux/compiler.h>
  40
  41 #include <linux/atomic.h>
  42 #include <linux/netdevice.h>
  43
  44 #include <rdma/ib_verbs.h>
  45 #include <rdma/ib_mad.h>
  46
  47 enum {
  48         IB_SA_CLASS_VERSION             = 2,    /* IB spec version 1.1/1.2 */
  49
  50         IB_SA_METHOD_GET_TABLE          = 0x12,
  51         IB_SA_METHOD_GET_TABLE_RESP     = 0x92,
  52         IB_SA_METHOD_DELETE             = 0x15,
  53         IB_SA_METHOD_DELETE_RESP        = 0x95,
  54         IB_SA_METHOD_GET_MULTI          = 0x14,
  55         IB_SA_METHOD_GET_MULTI_RESP     = 0x94,
  56         IB_SA_METHOD_GET_TRACE_TBL      = 0x13
  57 };
  58
  59 enum {
  60         IB_SA_ATTR_CLASS_PORTINFO    = 0x01,
  61         IB_SA_ATTR_NOTICE            = 0x02,
  62         IB_SA_ATTR_INFORM_INFO       = 0x03,
  63         IB_SA_ATTR_NODE_REC          = 0x11,
  64         IB_SA_ATTR_PORT_INFO_REC     = 0x12,
  65         IB_SA_ATTR_SL2VL_REC         = 0x13,
  66         IB_SA_ATTR_SWITCH_REC        = 0x14,
  67         IB_SA_ATTR_LINEAR_FDB_REC    = 0x15,
  68         IB_SA_ATTR_RANDOM_FDB_REC    = 0x16,
  69         IB_SA_ATTR_MCAST_FDB_REC     = 0x17,
  70         IB_SA_ATTR_SM_INFO_REC       = 0x18,
  71         IB_SA_ATTR_LINK_REC          = 0x20,
  72         IB_SA_ATTR_GUID_INFO_REC     = 0x30,
  73         IB_SA_ATTR_SERVICE_REC       = 0x31,
  74         IB_SA_ATTR_PARTITION_REC     = 0x33,
  75         IB_SA_ATTR_PATH_REC          = 0x35,
  76         IB_SA_ATTR_VL_ARB_REC        = 0x36,
  77         IB_SA_ATTR_MC_MEMBER_REC     = 0x38,
  78         IB_SA_ATTR_TRACE_REC         = 0x39,
  79         IB_SA_ATTR_MULTI_PATH_REC    = 0x3a,
  80         IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
  81         IB_SA_ATTR_INFORM_INFO_REC   = 0xf3
  82 };
  83
  84 enum ib_sa_selector {
  85         IB_SA_GT   = 0,
  86         IB_SA_LT   = 1,
  87         IB_SA_EQ   = 2,
  88         /*
  89          * The meaning of "best" depends on the attribute: for
  90          * example, for MTU best will return the largest available
  91          * MTU, while for packet life time, best will return the
  92          * smallest available life time.
  93          */
  94         IB_SA_BEST = 3
  95 };
  96
  97 /*
  98  * Structures for SA records are named "struct ib_sa_xxx_rec."  No
  99  * attempt is made to pack structures to match the physical layout of
 100  * SA records in SA MADs; all packing and unpacking is handled by the
 101  * SA query code.
 102  *
 103  * For a record with structure ib_sa_xxx_rec, the naming convention
 104  * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
 105  * never use different abbreviations or otherwise change the spelling
 106  * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
 107  *
 108  * Reserved rows are indicated with comments to help maintainability.
 109  */
 110
 111 #define IB_SA_PATH_REC_SERVICE_ID                      (IB_SA_COMP_MASK( 0) |\
 112                                                         IB_SA_COMP_MASK( 1))
 113 #define IB_SA_PATH_REC_DGID                             IB_SA_COMP_MASK( 2)
 114 #define IB_SA_PATH_REC_SGID                             IB_SA_COMP_MASK( 3)
 115 #define IB_SA_PATH_REC_DLID                             IB_SA_COMP_MASK( 4)
 116 #define IB_SA_PATH_REC_SLID                             IB_SA_COMP_MASK( 5)
 117 #define IB_SA_PATH_REC_RAW_TRAFFIC                      IB_SA_COMP_MASK( 6)
 118 /* reserved:                                                             7 */
 119 #define IB_SA_PATH_REC_FLOW_LABEL                       IB_SA_COMP_MASK( 8)
 120 #define IB_SA_PATH_REC_HOP_LIMIT                        IB_SA_COMP_MASK( 9)
 121 #define IB_SA_PATH_REC_TRAFFIC_CLASS                    IB_SA_COMP_MASK(10)
 122 #define IB_SA_PATH_REC_REVERSIBLE                       IB_SA_COMP_MASK(11)
 123 #define IB_SA_PATH_REC_NUMB_PATH                        IB_SA_COMP_MASK(12)
 124 #define IB_SA_PATH_REC_PKEY                             IB_SA_COMP_MASK(13)
 125 #define IB_SA_PATH_REC_QOS_CLASS                        IB_SA_COMP_MASK(14)
 126 #define IB_SA_PATH_REC_SL                               IB_SA_COMP_MASK(15)
 127 #define IB_SA_PATH_REC_MTU_SELECTOR                     IB_SA_COMP_MASK(16)
 128 #define IB_SA_PATH_REC_MTU                              IB_SA_COMP_MASK(17)
 129 #define IB_SA_PATH_REC_RATE_SELECTOR                    IB_SA_COMP_MASK(18)
 130 #define IB_SA_PATH_REC_RATE                             IB_SA_COMP_MASK(19)
 131 #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR        IB_SA_COMP_MASK(20)
 132 #define IB_SA_PATH_REC_PACKET_LIFE_TIME                 IB_SA_COMP_MASK(21)
 133 #define IB_SA_PATH_REC_PREFERENCE                       IB_SA_COMP_MASK(22)
 134
 135 struct ib_sa_path_rec {
 136         __be64       service_id;
 137         union ib_gid dgid;
 138         union ib_gid sgid;
 139         __be16       dlid;
 140         __be16       slid;
 141         int          raw_traffic;
 142         /* reserved */
 143         __be32       flow_label;
 144         u8           hop_limit;
 145         u8           traffic_class;
 146         int          reversible;
 147         u8           numb_path;
 148         __be16       pkey;
 149         __be16       qos_class;
 150         u8           sl;
 151         u8           mtu_selector;
 152         u8           mtu;
 153         u8           rate_selector;
 154         u8           rate;
 155         u8           packet_life_time_selector;
 156         u8           packet_life_time;
 157         u8           preference;
 158         u8           dmac[ETH_ALEN];
 159         /* ignored in IB */
 160         int          ifindex;
 161         /* ignored in IB */
 162         struct net  *net;
 163         enum ib_gid_type gid_type;
 164 };
 165
 166 static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
 167 {
 168         return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL;
 169 }
 170
 171 #define IB_SA_MCMEMBER_REC_MGID                         IB_SA_COMP_MASK( 0)
 172 #define IB_SA_MCMEMBER_REC_PORT_GID                     IB_SA_COMP_MASK( 1)
 173 #define IB_SA_MCMEMBER_REC_QKEY                         IB_SA_COMP_MASK( 2)
 174 #define IB_SA_MCMEMBER_REC_MLID                         IB_SA_COMP_MASK( 3)
 175 #define IB_SA_MCMEMBER_REC_MTU_SELECTOR                 IB_SA_COMP_MASK( 4)
 176 #define IB_SA_MCMEMBER_REC_MTU                          IB_SA_COMP_MASK( 5)
 177 #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS                IB_SA_COMP_MASK( 6)
 178 #define IB_SA_MCMEMBER_REC_PKEY                         IB_SA_COMP_MASK( 7)
 179 #define IB_SA_MCMEMBER_REC_RATE_SELECTOR                IB_SA_COMP_MASK( 8)
 180 #define IB_SA_MCMEMBER_REC_RATE                         IB_SA_COMP_MASK( 9)
 181 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR    IB_SA_COMP_MASK(10)
 182 #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME             IB_SA_COMP_MASK(11)
 183 #define IB_SA_MCMEMBER_REC_SL                           IB_SA_COMP_MASK(12)
 184 #define IB_SA_MCMEMBER_REC_FLOW_LABEL                   IB_SA_COMP_MASK(13)
 185 #define IB_SA_MCMEMBER_REC_HOP_LIMIT                    IB_SA_COMP_MASK(14)
 186 #define IB_SA_MCMEMBER_REC_SCOPE                        IB_SA_COMP_MASK(15)
 187 #define IB_SA_MCMEMBER_REC_JOIN_STATE                   IB_SA_COMP_MASK(16)
 188 #define IB_SA_MCMEMBER_REC_PROXY_JOIN                   IB_SA_COMP_MASK(17)
 189
 190 struct ib_sa_mcmember_rec {
 191         union ib_gid mgid;
 192         union ib_gid port_gid;
 193         __be32       qkey;
 194         __be16       mlid;
 195         u8           mtu_selector;
 196         u8           mtu;
 197         u8           traffic_class;
 198         __be16       pkey;
 199         u8           rate_selector;
 200         u8           rate;
 201         u8           packet_life_time_selector;
 202         u8           packet_life_time;
 203         u8           sl;
 204         __be32       flow_label;
 205         u8           hop_limit;
 206         u8           scope;
 207         u8           join_state;
 208         int          proxy_join;
 209 };
 210
 211 /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1  */
 212 #define IB_SA_SERVICE_REC_SERVICE_ID                    IB_SA_COMP_MASK( 0)
 213 #define IB_SA_SERVICE_REC_SERVICE_GID                   IB_SA_COMP_MASK( 1)
 214 #define IB_SA_SERVICE_REC_SERVICE_PKEY                  IB_SA_COMP_MASK( 2)
 215 /* reserved:                                                             3 */
 216 #define IB_SA_SERVICE_REC_SERVICE_LEASE                 IB_SA_COMP_MASK( 4)
 217 #define IB_SA_SERVICE_REC_SERVICE_KEY                   IB_SA_COMP_MASK( 5)
 218 #define IB_SA_SERVICE_REC_SERVICE_NAME                  IB_SA_COMP_MASK( 6)
 219 #define IB_SA_SERVICE_REC_SERVICE_DATA8_0               IB_SA_COMP_MASK( 7)
 220 #define IB_SA_SERVICE_REC_SERVICE_DATA8_1               IB_SA_COMP_MASK( 8)
 221 #define IB_SA_SERVICE_REC_SERVICE_DATA8_2               IB_SA_COMP_MASK( 9)
 222 #define IB_SA_SERVICE_REC_SERVICE_DATA8_3               IB_SA_COMP_MASK(10)
 223 #define IB_SA_SERVICE_REC_SERVICE_DATA8_4               IB_SA_COMP_MASK(11)
 224 #define IB_SA_SERVICE_REC_SERVICE_DATA8_5               IB_SA_COMP_MASK(12)
 225 #define IB_SA_SERVICE_REC_SERVICE_DATA8_6               IB_SA_COMP_MASK(13)
 226 #define IB_SA_SERVICE_REC_SERVICE_DATA8_7               IB_SA_COMP_MASK(14)
 227 #define IB_SA_SERVICE_REC_SERVICE_DATA8_8               IB_SA_COMP_MASK(15)
 228 #define IB_SA_SERVICE_REC_SERVICE_DATA8_9               IB_SA_COMP_MASK(16)
 229 #define IB_SA_SERVICE_REC_SERVICE_DATA8_10              IB_SA_COMP_MASK(17)
 230 #define IB_SA_SERVICE_REC_SERVICE_DATA8_11              IB_SA_COMP_MASK(18)
 231 #define IB_SA_SERVICE_REC_SERVICE_DATA8_12              IB_SA_COMP_MASK(19)
 232 #define IB_SA_SERVICE_REC_SERVICE_DATA8_13              IB_SA_COMP_MASK(20)
 233 #define IB_SA_SERVICE_REC_SERVICE_DATA8_14              IB_SA_COMP_MASK(21)
 234 #define IB_SA_SERVICE_REC_SERVICE_DATA8_15              IB_SA_COMP_MASK(22)
 235 #define IB_SA_SERVICE_REC_SERVICE_DATA16_0              IB_SA_COMP_MASK(23)
 236 #define IB_SA_SERVICE_REC_SERVICE_DATA16_1              IB_SA_COMP_MASK(24)
 237 #define IB_SA_SERVICE_REC_SERVICE_DATA16_2              IB_SA_COMP_MASK(25)
 238 #define IB_SA_SERVICE_REC_SERVICE_DATA16_3              IB_SA_COMP_MASK(26)
 239 #define IB_SA_SERVICE_REC_SERVICE_DATA16_4              IB_SA_COMP_MASK(27)
 240 #define IB_SA_SERVICE_REC_SERVICE_DATA16_5              IB_SA_COMP_MASK(28)
 241 #define IB_SA_SERVICE_REC_SERVICE_DATA16_6              IB_SA_COMP_MASK(29)
 242 #define IB_SA_SERVICE_REC_SERVICE_DATA16_7              IB_SA_COMP_MASK(30)
 243 #define IB_SA_SERVICE_REC_SERVICE_DATA32_0              IB_SA_COMP_MASK(31)
 244 #define IB_SA_SERVICE_REC_SERVICE_DATA32_1              IB_SA_COMP_MASK(32)
 245 #define IB_SA_SERVICE_REC_SERVICE_DATA32_2              IB_SA_COMP_MASK(33)
 246 #define IB_SA_SERVICE_REC_SERVICE_DATA32_3              IB_SA_COMP_MASK(34)
 247 #define IB_SA_SERVICE_REC_SERVICE_DATA64_0              IB_SA_COMP_MASK(35)
 248 #define IB_SA_SERVICE_REC_SERVICE_DATA64_1              IB_SA_COMP_MASK(36)
 249
 250 #define IB_DEFAULT_SERVICE_LEASE        0xFFFFFFFF
 251
 252 struct ib_sa_service_rec {
 253         u64             id;
 254         union ib_gid    gid;
 255         __be16          pkey;
 256         /* reserved */
 257         u32             lease;
 258         u8              key[16];
 259         u8              name[64];
 260         u8              data8[16];
 261         u16             data16[8];
 262         u32             data32[4];
 263         u64             data64[2];
 264 };
 265
 266 #define IB_SA_GUIDINFO_REC_LID          IB_SA_COMP_MASK(0)
 267 #define IB_SA_GUIDINFO_REC_BLOCK_NUM    IB_SA_COMP_MASK(1)
 268 #define IB_SA_GUIDINFO_REC_RES1         IB_SA_COMP_MASK(2)
 269 #define IB_SA_GUIDINFO_REC_RES2         IB_SA_COMP_MASK(3)
 270 #define IB_SA_GUIDINFO_REC_GID0         IB_SA_COMP_MASK(4)
 271 #define IB_SA_GUIDINFO_REC_GID1         IB_SA_COMP_MASK(5)
 272 #define IB_SA_GUIDINFO_REC_GID2         IB_SA_COMP_MASK(6)
 273 #define IB_SA_GUIDINFO_REC_GID3         IB_SA_COMP_MASK(7)
 274 #define IB_SA_GUIDINFO_REC_GID4         IB_SA_COMP_MASK(8)
 275 #define IB_SA_GUIDINFO_REC_GID5         IB_SA_COMP_MASK(9)
 276 #define IB_SA_GUIDINFO_REC_GID6         IB_SA_COMP_MASK(10)
 277 #define IB_SA_GUIDINFO_REC_GID7         IB_SA_COMP_MASK(11)
 278
 279 struct ib_sa_guidinfo_rec {
 280         __be16  lid;
 281         u8      block_num;
 282         /* reserved */
 283         u8      res1;
 284         __be32  res2;
 285         u8      guid_info_list[64];
 286 };
 287
 288 struct ib_sa_client {
 289         atomic_t users;
 290         struct completion comp;
 291 };
 292
 293 /**
 294  * ib_sa_register_client - Register an SA client.
 295  */
 296 void ib_sa_register_client(struct ib_sa_client *client);
 297
 298 /**
 299  * ib_sa_unregister_client - Deregister an SA client.
 300  * @client: Client object to deregister.
 301  */
 302 void ib_sa_unregister_client(struct ib_sa_client *client);
 303
 304 struct ib_sa_query;
 305
 306 void ib_sa_cancel_query(int id, struct ib_sa_query *query);
 307
 308 int ib_sa_path_rec_get(struct ib_sa_client *client,
 309                        struct ib_device *device, u8 port_num,
 310                        struct ib_sa_path_rec *rec,
 311                        ib_sa_comp_mask comp_mask,
 312                        int timeout_ms, gfp_t gfp_mask,
 313                        void (*callback)(int status,
 314                                         struct ib_sa_path_rec *resp,
 315                                         void *context),
 316                        void *context,
 317                        struct ib_sa_query **query);
 318
 319 int ib_sa_service_rec_query(struct ib_sa_client *client,
 320                          struct ib_device *device, u8 port_num,
 321                          u8 method,
 322                          struct ib_sa_service_rec *rec,
 323                          ib_sa_comp_mask comp_mask,
 324                          int timeout_ms, gfp_t gfp_mask,
 325                          void (*callback)(int status,
 326                                           struct ib_sa_service_rec *resp,
 327                                           void *context),
 328                          void *context,
 329                          struct ib_sa_query **sa_query);
 330
 331 struct ib_sa_multicast {
 332         struct ib_sa_mcmember_rec rec;
 333         ib_sa_comp_mask         comp_mask;
 334         int                     (*callback)(int status,
 335                                             struct ib_sa_multicast *multicast);
 336         void                    *context;
 337 };
 338
 339 /**
 340  * ib_sa_join_multicast - Initiates a join request to the specified multicast
 341  *   group.
 342  * @client: SA client
 343  * @device: Device associated with the multicast group.
 344  * @port_num: Port on the specified device to associate with the multicast
 345  *   group.
 346  * @rec: SA multicast member record specifying group attributes.
 347  * @comp_mask: Component mask indicating which group attributes of %rec are
 348  *   valid.
 349  * @gfp_mask: GFP mask for memory allocations.
 350  * @callback: User callback invoked once the join operation completes.
 351  * @context: User specified context stored with the ib_sa_multicast structure.
 352  *
 353  * This call initiates a multicast join request with the SA for the specified
 354  * multicast group.  If the join operation is started successfully, it returns
 355  * an ib_sa_multicast structure that is used to track the multicast operation.
 356  * Users must free this structure by calling ib_free_multicast, even if the
 357  * join operation later fails.  (The callback status is non-zero.)
 358  *
 359  * If the join operation fails; status will be non-zero, with the following
 360  * failures possible:
 361  * -ETIMEDOUT: The request timed out.
 362  * -EIO: An error occurred sending the query.
 363  * -EINVAL: The MCMemberRecord values differed from the existing group's.
 364  * -ENETRESET: Indicates that an fatal error has occurred on the multicast
 365  *   group, and the user must rejoin the group to continue using it.
 366  */
 367 struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,
 368                                              struct ib_device *device, u8 port_num,
 369                                              struct ib_sa_mcmember_rec *rec,
 370                                              ib_sa_comp_mask comp_mask, gfp_t gfp_mask,
 371                                              int (*callback)(int status,
 372                                                              struct ib_sa_multicast
 373                                                                     *multicast),
 374                                              void *context);
 375
 376 /**
 377  * ib_free_multicast - Frees the multicast tracking structure, and releases
 378  *    any reference on the multicast group.
 379  * @multicast: Multicast tracking structure allocated by ib_join_multicast.
 380  *
 381  * This call blocks until the multicast identifier is destroyed.  It may
 382  * not be called from within the multicast callback; however, returning a non-
 383  * zero value from the callback will result in destroying the multicast
 384  * tracking structure.
 385  */
 386 void ib_sa_free_multicast(struct ib_sa_multicast *multicast);
 387
 388 /**
 389  * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and
 390  *   returns it if found.
 391  * @device: Device associated with the multicast group.
 392  * @port_num: Port on the specified device to associate with the multicast
 393  *   group.
 394  * @mgid: MGID of multicast group.
 395  * @rec: Location to copy SA multicast member record.
 396  */
 397 int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
 398                            union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);
 399
 400 /**
 401  * ib_init_ah_from_mcmember - Initialize address handle attributes based on
 402  * an SA multicast member record.
 403  */
 404 int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
 405                              struct ib_sa_mcmember_rec *rec,
 406                              struct net_device *ndev,
 407                              enum ib_gid_type gid_type,
 408                              struct ib_ah_attr *ah_attr);
 409
 410 /**
 411  * ib_init_ah_from_path - Initialize address handle attributes based on an SA
 412  *   path record.
 413  */
 414 int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
 415                          struct ib_sa_path_rec *rec,
 416                          struct ib_ah_attr *ah_attr);
 417
 418 /**
 419  * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
 420  * to IB MAD wire format.
 421  */
 422 void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
 423
 424 /**
 425  * ib_sa_unpack_path - Convert a path record from MAD format to struct
 426  * ib_sa_path_rec.
 427  */
 428 void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
 429
 430 /* Support GuidInfoRecord */
 431 int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
 432                               struct ib_device *device, u8 port_num,
 433                               struct ib_sa_guidinfo_rec *rec,
 434                               ib_sa_comp_mask comp_mask, u8 method,
 435                               int timeout_ms, gfp_t gfp_mask,
 436                               void (*callback)(int status,
 437                                                struct ib_sa_guidinfo_rec *resp,
 438                                                void *context),
 439                               void *context,
 440                               struct ib_sa_query **sa_query);
 441
 442 #endif /* IB_SA_H */