drivers/staging/lustre/lnet/selftest/selftest.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2012, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  *
  32  * lnet/selftest/selftest.h
  33  *
  34  * Author: Isaac Huang <isaac@clusterfs.com>
  35  */
  36 #ifndef __SELFTEST_SELFTEST_H__
  37 #define __SELFTEST_SELFTEST_H__
  38
  39 #define LNET_ONLY
  40
  41 #include "../../include/linux/libcfs/libcfs.h"
  42 #include "../../include/linux/lnet/lnet.h"
  43 #include "../../include/linux/lnet/lib-lnet.h"
  44 #include "../../include/linux/lnet/lib-types.h"
  45 #include "../../include/linux/lnet/lnetst.h"
  46
  47 #include "rpc.h"
  48 #include "timer.h"
  49
  50 #ifndef MADE_WITHOUT_COMPROMISE
  51 #define MADE_WITHOUT_COMPROMISE
  52 #endif
  53
  54 #define SWI_STATE_NEWBORN               0
  55 #define SWI_STATE_REPLY_SUBMITTED       1
  56 #define SWI_STATE_REPLY_SENT            2
  57 #define SWI_STATE_REQUEST_SUBMITTED     3
  58 #define SWI_STATE_REQUEST_SENT          4
  59 #define SWI_STATE_REPLY_RECEIVED        5
  60 #define SWI_STATE_BULK_STARTED          6
  61 #define SWI_STATE_DONE                  10
  62
  63 /* forward refs */
  64 struct srpc_service;
  65 struct srpc_service_cd;
  66 struct sfw_test_unit;
  67 struct sfw_test_instance;
  68
  69 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  70  * services, e.g. create/modify session.
  71  */
  72 #define SRPC_SERVICE_DEBUG              0
  73 #define SRPC_SERVICE_MAKE_SESSION       1
  74 #define SRPC_SERVICE_REMOVE_SESSION     2
  75 #define SRPC_SERVICE_BATCH              3
  76 #define SRPC_SERVICE_TEST               4
  77 #define SRPC_SERVICE_QUERY_STAT         5
  78 #define SRPC_SERVICE_JOIN               6
  79 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  80 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  81 #define SRPC_SERVICE_BRW                11
  82 #define SRPC_SERVICE_PING               12
  83 #define SRPC_SERVICE_MAX_ID             12
  84
  85 #define SRPC_REQUEST_PORTAL             50
  86 /* a lazy portal for framework RPC requests */
  87 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
  88 /* all reply/bulk RDMAs go to this portal */
  89 #define SRPC_RDMA_PORTAL                52
  90
  91 static inline enum srpc_msg_type
  92 srpc_service2request(int service)
  93 {
  94         switch (service) {
  95         default:
  96                 LBUG();
  97         case SRPC_SERVICE_DEBUG:
  98                 return SRPC_MSG_DEBUG_REQST;
  99
 100         case SRPC_SERVICE_MAKE_SESSION:
 101                 return SRPC_MSG_MKSN_REQST;
 102
 103         case SRPC_SERVICE_REMOVE_SESSION:
 104                 return SRPC_MSG_RMSN_REQST;
 105
 106         case SRPC_SERVICE_BATCH:
 107                 return SRPC_MSG_BATCH_REQST;
 108
 109         case SRPC_SERVICE_TEST:
 110                 return SRPC_MSG_TEST_REQST;
 111
 112         case SRPC_SERVICE_QUERY_STAT:
 113                 return SRPC_MSG_STAT_REQST;
 114
 115         case SRPC_SERVICE_BRW:
 116                 return SRPC_MSG_BRW_REQST;
 117
 118         case SRPC_SERVICE_PING:
 119                 return SRPC_MSG_PING_REQST;
 120
 121         case SRPC_SERVICE_JOIN:
 122                 return SRPC_MSG_JOIN_REQST;
 123         }
 124 }
 125
 126 static inline enum srpc_msg_type
 127 srpc_service2reply(int service)
 128 {
 129         return srpc_service2request(service) + 1;
 130 }
 131
 132 enum srpc_event_type {
 133         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source)
 134                                    * received */
 135         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 136         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 137         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 138         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 139         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 140         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 141 };
 142
 143 /* RPC event */
 144 struct srpc_event {
 145         enum srpc_event_type    ev_type;        /* what's up */
 146         lnet_event_kind_t ev_lnet;   /* LNet event type */
 147         int               ev_fired;  /* LNet event fired? */
 148         int               ev_status; /* LNet event status */
 149         void              *ev_data;  /* owning server/client RPC */
 150 };
 151
 152 /* bulk descriptor */
 153 struct srpc_bulk {
 154         int              bk_len;     /* len of bulk data */
 155         lnet_handle_md_t bk_mdh;
 156         int              bk_sink;    /* sink/source */
 157         int              bk_niov;    /* # iov in bk_iovs */
 158         lnet_kiov_t      bk_iovs[0];
 159 };
 160
 161 /* message buffer descriptor */
 162 struct srpc_buffer {
 163         struct list_head  buf_list; /* chain on srpc_service::*_msgq */
 164         struct srpc_msg   buf_msg;
 165         lnet_handle_md_t  buf_mdh;
 166         lnet_nid_t        buf_self;
 167         lnet_process_id_t buf_peer;
 168 };
 169
 170 struct swi_workitem;
 171 typedef int (*swi_action_t) (struct swi_workitem *);
 172
 173 struct swi_workitem {
 174         struct cfs_wi_sched *swi_sched;
 175         struct cfs_workitem swi_workitem;
 176         swi_action_t        swi_action;
 177         int                 swi_state;
 178 };
 179
 180 /* server-side state of a RPC */
 181 struct srpc_server_rpc {
 182         /* chain on srpc_service::*_rpcq */
 183         struct list_head       srpc_list;
 184         struct srpc_service_cd *srpc_scd;
 185         struct swi_workitem     srpc_wi;
 186         struct srpc_event       srpc_ev;        /* bulk/reply event */
 187         lnet_nid_t             srpc_self;
 188         lnet_process_id_t      srpc_peer;
 189         struct srpc_msg         srpc_replymsg;
 190         lnet_handle_md_t       srpc_replymdh;
 191         struct srpc_buffer      *srpc_reqstbuf;
 192         struct srpc_bulk        *srpc_bulk;
 193
 194         unsigned int           srpc_aborted; /* being given up */
 195         int                    srpc_status;
 196         void                   (*srpc_done)(struct srpc_server_rpc *);
 197 };
 198
 199 /* client-side state of a RPC */
 200 struct srpc_client_rpc {
 201         struct list_head  crpc_list;      /* chain on user's lists */
 202         spinlock_t        crpc_lock;      /* serialize */
 203         int               crpc_service;
 204         atomic_t          crpc_refcount;
 205         int               crpc_timeout;   /* # seconds to wait for reply */
 206         struct stt_timer       crpc_timer;
 207         struct swi_workitem     crpc_wi;
 208         lnet_process_id_t crpc_dest;
 209
 210         void              (*crpc_done)(struct srpc_client_rpc *);
 211         void              (*crpc_fini)(struct srpc_client_rpc *);
 212         int               crpc_status;    /* completion status */
 213         void              *crpc_priv;     /* caller data */
 214
 215         /* state flags */
 216         unsigned int      crpc_aborted:1; /* being given up */
 217         unsigned int      crpc_closed:1;  /* completed */
 218
 219         /* RPC events */
 220         struct srpc_event       crpc_bulkev;    /* bulk event */
 221         struct srpc_event       crpc_reqstev;   /* request event */
 222         struct srpc_event       crpc_replyev;   /* reply event */
 223
 224         /* bulk, request(reqst), and reply exchanged on wire */
 225         struct srpc_msg         crpc_reqstmsg;
 226         struct srpc_msg         crpc_replymsg;
 227         lnet_handle_md_t  crpc_reqstmdh;
 228         lnet_handle_md_t  crpc_replymdh;
 229         struct srpc_bulk        crpc_bulk;
 230 };
 231
 232 #define srpc_client_rpc_size(rpc)                                       \
 233 offsetof(struct srpc_client_rpc, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 234
 235 #define srpc_client_rpc_addref(rpc)                                     \
 236 do {                                                                    \
 237         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 238                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 239                atomic_read(&(rpc)->crpc_refcount));                     \
 240         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);                \
 241         atomic_inc(&(rpc)->crpc_refcount);                              \
 242 } while (0)
 243
 244 #define srpc_client_rpc_decref(rpc)                                     \
 245 do {                                                                    \
 246         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 247                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 248                atomic_read(&(rpc)->crpc_refcount));                     \
 249         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);                \
 250         if (atomic_dec_and_test(&(rpc)->crpc_refcount))                 \
 251                 srpc_destroy_client_rpc(rpc);                           \
 252 } while (0)
 253
 254 #define srpc_event_pending(rpc)   (!(rpc)->crpc_bulkev.ev_fired ||      \
 255                                    !(rpc)->crpc_reqstev.ev_fired ||     \
 256                                    !(rpc)->crpc_replyev.ev_fired)
 257
 258 /* CPU partition data of srpc service */
 259 struct srpc_service_cd {
 260         /** serialize */
 261         spinlock_t              scd_lock;
 262         /** backref to service */
 263         struct srpc_service     *scd_svc;
 264         /** event buffer */
 265         struct srpc_event       scd_ev;
 266         /** free RPC descriptors */
 267         struct list_head        scd_rpc_free;
 268         /** in-flight RPCs */
 269         struct list_head        scd_rpc_active;
 270         /** workitem for posting buffer */
 271         struct swi_workitem     scd_buf_wi;
 272         /** CPT id */
 273         int                     scd_cpt;
 274         /** error code for scd_buf_wi */
 275         int                     scd_buf_err;
 276         /** timestamp for scd_buf_err */
 277         time64_t                scd_buf_err_stamp;
 278         /** total # request buffers */
 279         int                     scd_buf_total;
 280         /** # posted request buffers */
 281         int                     scd_buf_nposted;
 282         /** in progress of buffer posting */
 283         int                     scd_buf_posting;
 284         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 285         int                     scd_buf_low;
 286         /** increase/decrease some buffers */
 287         int                     scd_buf_adjust;
 288         /** posted message buffers */
 289         struct list_head        scd_buf_posted;
 290         /** blocked for RPC descriptor */
 291         struct list_head        scd_buf_blocked;
 292 };
 293
 294 /* number of server workitems (mini-thread) for testing service */
 295 #define SFW_TEST_WI_MIN         256
 296 #define SFW_TEST_WI_MAX         2048
 297 /* extra buffers for tolerating buggy peers, or unbalanced number
 298  * of peers between partitions  */
 299 #define SFW_TEST_WI_EXTRA       64
 300
 301 /* number of server workitems (mini-thread) for framework service */
 302 #define SFW_FRWK_WI_MIN         16
 303 #define SFW_FRWK_WI_MAX         256
 304
 305 struct srpc_service {
 306         int                     sv_id;          /* service id */
 307         const char              *sv_name;       /* human readable name */
 308         int                     sv_wi_total;    /* total server workitems */
 309         int                     sv_shuttingdown;
 310         int                     sv_ncpts;
 311         /* percpt data for srpc_service */
 312         struct srpc_service_cd  **sv_cpt_data;
 313         /* Service callbacks:
 314          * - sv_handler: process incoming RPC request
 315          * - sv_bulk_ready: notify bulk data
 316          */
 317         int (*sv_handler)(struct srpc_server_rpc *);
 318         int (*sv_bulk_ready)(struct srpc_server_rpc *, int);
 319 };
 320
 321 struct sfw_session {
 322         struct list_head sn_list;    /* chain on fw_zombie_sessions */
 323         lst_sid_t        sn_id;      /* unique identifier */
 324         unsigned int     sn_timeout; /* # seconds' inactivity to expire */
 325         int              sn_timer_active;
 326         unsigned int     sn_features;
 327         struct stt_timer      sn_timer;
 328         struct list_head sn_batches; /* list of batches */
 329         char             sn_name[LST_NAME_SIZE];
 330         atomic_t         sn_refcount;
 331         atomic_t         sn_brw_errors;
 332         atomic_t         sn_ping_errors;
 333         unsigned long    sn_started;
 334 };
 335
 336 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 337                                        (sid0).ses_stamp == (sid1).ses_stamp)
 338
 339 struct sfw_batch {
 340         struct list_head bat_list;      /* chain on sn_batches */
 341         lst_bid_t        bat_id;        /* batch id */
 342         int              bat_error;     /* error code of batch */
 343         struct sfw_session      *bat_session;   /* batch's session */
 344         atomic_t         bat_nactive;   /* # of active tests */
 345         struct list_head bat_tests;     /* test instances */
 346 };
 347
 348 struct sfw_test_client_ops {
 349         int  (*tso_init)(struct sfw_test_instance *tsi); /* initialize test
 350                                                           * client */
 351         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test
 352                                                           * client */
 353         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 354                              lnet_process_id_t dest,
 355                              struct srpc_client_rpc **rpc);     /* prep a tests rpc */
 356         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 357                              struct srpc_client_rpc *rpc);      /* done a test rpc */
 358 };
 359
 360 struct sfw_test_instance {
 361         struct list_head           tsi_list;            /* chain on batch */
 362         int                        tsi_service;         /* test type */
 363         struct sfw_batch                *tsi_batch;     /* batch */
 364         struct sfw_test_client_ops      *tsi_ops;       /* test client operation
 365                                                          */
 366
 367         /* public parameter for all test units */
 368         unsigned int               tsi_is_client:1;     /* is test client */
 369         unsigned int               tsi_stoptsu_onerr:1; /* stop tsu on error */
 370         int                        tsi_concur;          /* concurrency */
 371         int                        tsi_loop;            /* loop count */
 372
 373         /* status of test instance */
 374         spinlock_t                 tsi_lock;            /* serialize */
 375         unsigned int               tsi_stopping:1;      /* test is stopping */
 376         atomic_t                   tsi_nactive;         /* # of active test
 377                                                          * unit */
 378         struct list_head           tsi_units;           /* test units */
 379         struct list_head           tsi_free_rpcs;       /* free rpcs */
 380         struct list_head           tsi_active_rpcs;     /* active rpcs */
 381
 382         union {
 383                 struct test_ping_req    ping;           /* ping parameter */
 384                 struct test_bulk_req    bulk_v0;        /* bulk parameter */
 385                 struct test_bulk_req_v1 bulk_v1;        /* bulk v1 parameter */
 386         } tsi_u;
 387 };
 388
 389 /* XXX: trailing (PAGE_SIZE % sizeof(lnet_process_id_t)) bytes at the end of
 390  * pages are not used */
 391 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 392 #define SFW_ID_PER_PAGE    (PAGE_SIZE / sizeof(lnet_process_id_packed_t))
 393 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 394 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 395
 396 struct sfw_test_unit {
 397         struct list_head    tsu_list;      /* chain on lst_test_instance */
 398         lnet_process_id_t   tsu_dest;      /* id of dest node */
 399         int                 tsu_loop;      /* loop count of the test */
 400         struct sfw_test_instance        *tsu_instance; /* pointer to test instance */
 401         void                *tsu_private;  /* private data */
 402         struct swi_workitem     tsu_worker;     /* workitem of the test unit */
 403 };
 404
 405 struct sfw_test_case {
 406         struct list_head      tsc_list;         /* chain on fw_tests */
 407         struct srpc_service             *tsc_srv_service;       /* test service */
 408         struct sfw_test_client_ops      *tsc_cli_ops;   /* ops of test client */
 409 };
 410
 411 struct srpc_client_rpc *
 412 sfw_create_rpc(lnet_process_id_t peer, int service,
 413                unsigned features, int nbulkiov, int bulklen,
 414                void (*done)(struct srpc_client_rpc *), void *priv);
 415 int sfw_create_test_rpc(struct sfw_test_unit *tsu,
 416                         lnet_process_id_t peer, unsigned features,
 417                         int nblk, int blklen, struct srpc_client_rpc **rpc);
 418 void sfw_abort_rpc(struct srpc_client_rpc *rpc);
 419 void sfw_post_rpc(struct srpc_client_rpc *rpc);
 420 void sfw_client_rpc_done(struct srpc_client_rpc *rpc);
 421 void sfw_unpack_message(struct srpc_msg *msg);
 422 void sfw_free_pages(struct srpc_server_rpc *rpc);
 423 void sfw_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i);
 424 int sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
 425                     int sink);
 426 int sfw_make_session(struct srpc_mksn_reqst *request,
 427                      struct srpc_mksn_reply *reply);
 428
 429 struct srpc_client_rpc *
 430 srpc_create_client_rpc(lnet_process_id_t peer, int service,
 431                        int nbulkiov, int bulklen,
 432                        void (*rpc_done)(struct srpc_client_rpc *),
 433                        void (*rpc_fini)(struct srpc_client_rpc *), void *priv);
 434 void srpc_post_rpc(struct srpc_client_rpc *rpc);
 435 void srpc_abort_rpc(struct srpc_client_rpc *rpc, int why);
 436 void srpc_free_bulk(struct srpc_bulk *bk);
 437 struct srpc_bulk *srpc_alloc_bulk(int cpt, unsigned bulk_npg,
 438                                   unsigned bulk_len, int sink);
 439 int srpc_send_rpc(struct swi_workitem *wi);
 440 int srpc_send_reply(struct srpc_server_rpc *rpc);
 441 int srpc_add_service(struct srpc_service *sv);
 442 int srpc_remove_service(struct srpc_service *sv);
 443 void srpc_shutdown_service(struct srpc_service *sv);
 444 void srpc_abort_service(struct srpc_service *sv);
 445 int srpc_finish_service(struct srpc_service *sv);
 446 int srpc_service_add_buffers(struct srpc_service *sv, int nbuffer);
 447 void srpc_service_remove_buffers(struct srpc_service *sv, int nbuffer);
 448 void srpc_get_counters(srpc_counters_t *cnt);
 449 void srpc_set_counters(const srpc_counters_t *cnt);
 450
 451 extern struct cfs_wi_sched *lst_sched_serial;
 452 extern struct cfs_wi_sched **lst_sched_test;
 453
 454 static inline int
 455 srpc_serv_is_framework(struct srpc_service *svc)
 456 {
 457         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 458 }
 459
 460 static inline int
 461 swi_wi_action(struct cfs_workitem *wi)
 462 {
 463         struct swi_workitem *swi;
 464
 465         swi = container_of(wi, struct swi_workitem, swi_workitem);
 466
 467         return swi->swi_action(swi);
 468 }
 469
 470 static inline void
 471 swi_init_workitem(struct swi_workitem *swi, void *data,
 472                   swi_action_t action, struct cfs_wi_sched *sched)
 473 {
 474         swi->swi_sched = sched;
 475         swi->swi_action = action;
 476         swi->swi_state = SWI_STATE_NEWBORN;
 477         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 478 }
 479
 480 static inline void
 481 swi_schedule_workitem(struct swi_workitem *wi)
 482 {
 483         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 484 }
 485
 486 static inline void
 487 swi_exit_workitem(struct swi_workitem *swi)
 488 {
 489         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 490 }
 491
 492 static inline int
 493 swi_deschedule_workitem(struct swi_workitem *swi)
 494 {
 495         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 496 }
 497
 498 int sfw_startup(void);
 499 int srpc_startup(void);
 500 void sfw_shutdown(void);
 501 void srpc_shutdown(void);
 502
 503 static inline void
 504 srpc_destroy_client_rpc(struct srpc_client_rpc *rpc)
 505 {
 506         LASSERT(rpc);
 507         LASSERT(!srpc_event_pending(rpc));
 508         LASSERT(!atomic_read(&rpc->crpc_refcount));
 509
 510         if (!rpc->crpc_fini)
 511                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 512         else
 513                 (*rpc->crpc_fini)(rpc);
 514 }
 515
 516 static inline void
 517 srpc_init_client_rpc(struct srpc_client_rpc *rpc, lnet_process_id_t peer,
 518                      int service, int nbulkiov, int bulklen,
 519                      void (*rpc_done)(struct srpc_client_rpc *),
 520                      void (*rpc_fini)(struct srpc_client_rpc *), void *priv)
 521 {
 522         LASSERT(nbulkiov <= LNET_MAX_IOV);
 523
 524         memset(rpc, 0, offsetof(struct srpc_client_rpc,
 525                                 crpc_bulk.bk_iovs[nbulkiov]));
 526
 527         INIT_LIST_HEAD(&rpc->crpc_list);
 528         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 529                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 530         spin_lock_init(&rpc->crpc_lock);
 531         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 532
 533         rpc->crpc_dest = peer;
 534         rpc->crpc_priv = priv;
 535         rpc->crpc_service = service;
 536         rpc->crpc_bulk.bk_len = bulklen;
 537         rpc->crpc_bulk.bk_niov = nbulkiov;
 538         rpc->crpc_done = rpc_done;
 539         rpc->crpc_fini = rpc_fini;
 540         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 541         LNetInvalidateHandle(&rpc->crpc_replymdh);
 542         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 543
 544         /* no event is expected at this point */
 545         rpc->crpc_bulkev.ev_fired = 1;
 546         rpc->crpc_reqstev.ev_fired = 1;
 547         rpc->crpc_replyev.ev_fired = 1;
 548
 549         rpc->crpc_reqstmsg.msg_magic = SRPC_MSG_MAGIC;
 550         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 551         rpc->crpc_reqstmsg.msg_type = srpc_service2request(service);
 552 }
 553
 554 static inline const char *
 555 swi_state2str(int state)
 556 {
 557 #define STATE2STR(x) case x: return #x
 558         switch (state) {
 559         default:
 560                 LBUG();
 561         STATE2STR(SWI_STATE_NEWBORN);
 562         STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 563         STATE2STR(SWI_STATE_REPLY_SENT);
 564         STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 565         STATE2STR(SWI_STATE_REQUEST_SENT);
 566         STATE2STR(SWI_STATE_REPLY_RECEIVED);
 567         STATE2STR(SWI_STATE_BULK_STARTED);
 568         STATE2STR(SWI_STATE_DONE);
 569         }
 570 #undef STATE2STR
 571 }
 572
 573 #define selftest_wait_events()                                  \
 574         do {                                                    \
 575                 set_current_state(TASK_UNINTERRUPTIBLE);        \
 576                 schedule_timeout(cfs_time_seconds(1) / 10);     \
 577         } while (0)
 578
 579 #define lst_wait_until(cond, lock, fmt, ...)                            \
 580 do {                                                                    \
 581         int __I = 2;                                                    \
 582         while (!(cond)) {                                               \
 583                 CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET,        \
 584                        fmt, ## __VA_ARGS__);                            \
 585                 spin_unlock(&(lock));                                   \
 586                                                                         \
 587                 selftest_wait_events();                                 \
 588                                                                         \
 589                 spin_lock(&(lock));                                     \
 590         }                                                               \
 591 } while (0)
 592
 593 static inline void
 594 srpc_wait_service_shutdown(struct srpc_service *sv)
 595 {
 596         int i = 2;
 597
 598         LASSERT(sv->sv_shuttingdown);
 599
 600         while (!srpc_finish_service(sv)) {
 601                 i++;
 602                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 603                        "Waiting for %s service to shutdown...\n",
 604                        sv->sv_name);
 605                 selftest_wait_events();
 606         }
 607 }
 608
 609 extern struct sfw_test_client_ops brw_test_client;
 610 void brw_init_test_client(void);
 611
 612 extern struct srpc_service brw_test_service;
 613 void brw_init_test_service(void);
 614
 615 extern struct sfw_test_client_ops ping_test_client;
 616 void ping_init_test_client(void);
 617
 618 extern struct srpc_service ping_test_service;
 619 void ping_init_test_service(void);
 620
 621 #endif /* __SELFTEST_SELFTEST_H__ */