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, 2016, 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 <libcfs/libcfs.h>
  42 #include <lnet/api.h>
  43 #include <lnet/lib-lnet.h>
  44 #include <lnet/lib-types.h>
  45 #include <uapi/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
  55 #define SWI_STATE_NEWBORN                  0
  56 #define SWI_STATE_REPLY_SUBMITTED          1
  57 #define SWI_STATE_REPLY_SENT               2
  58 #define SWI_STATE_REQUEST_SUBMITTED        3
  59 #define SWI_STATE_REQUEST_SENT             4
  60 #define SWI_STATE_REPLY_RECEIVED           5
  61 #define SWI_STATE_BULK_STARTED             6
  62 #define SWI_STATE_DONE                     10
  63
  64 /* forward refs */
  65 struct srpc_service;
  66 struct srpc_service_cd;
  67 struct sfw_test_unit;
  68 struct sfw_test_instance;
  69
  70 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  71  * services, e.g. create/modify session.
  72  */
  73 #define SRPC_SERVICE_DEBUG              0
  74 #define SRPC_SERVICE_MAKE_SESSION       1
  75 #define SRPC_SERVICE_REMOVE_SESSION     2
  76 #define SRPC_SERVICE_BATCH              3
  77 #define SRPC_SERVICE_TEST               4
  78 #define SRPC_SERVICE_QUERY_STAT         5
  79 #define SRPC_SERVICE_JOIN               6
  80 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  81 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  82 #define SRPC_SERVICE_BRW                11
  83 #define SRPC_SERVICE_PING               12
  84 #define SRPC_SERVICE_MAX_ID             12
  85
  86 #define SRPC_REQUEST_PORTAL             50
  87 /* a lazy portal for framework RPC requests */
  88 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
  89 /* all reply/bulk RDMAs go to this portal */
  90 #define SRPC_RDMA_PORTAL                52
  91
  92 static inline enum srpc_msg_type
  93 srpc_service2request (int service)
  94 {
  95         switch (service) {
  96         default:
  97                 LBUG ();
  98         case SRPC_SERVICE_DEBUG:
  99                 return SRPC_MSG_DEBUG_REQST;
 100
 101         case SRPC_SERVICE_MAKE_SESSION:
 102                 return SRPC_MSG_MKSN_REQST;
 103
 104         case SRPC_SERVICE_REMOVE_SESSION:
 105                 return SRPC_MSG_RMSN_REQST;
 106
 107         case SRPC_SERVICE_BATCH:
 108                 return SRPC_MSG_BATCH_REQST;
 109
 110         case SRPC_SERVICE_TEST:
 111                 return SRPC_MSG_TEST_REQST;
 112
 113         case SRPC_SERVICE_QUERY_STAT:
 114                 return SRPC_MSG_STAT_REQST;
 115
 116         case SRPC_SERVICE_BRW:
 117                 return SRPC_MSG_BRW_REQST;
 118
 119         case SRPC_SERVICE_PING:
 120                 return SRPC_MSG_PING_REQST;
 121
 122         case SRPC_SERVICE_JOIN:
 123                 return SRPC_MSG_JOIN_REQST;
 124         }
 125 }
 126
 127 static inline enum srpc_msg_type
 128 srpc_service2reply (int service)
 129 {
 130         return srpc_service2request(service) + 1;
 131 }
 132
 133 enum srpc_event_type {
 134         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) 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         enum lnet_event_kind    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         struct lnet_handle_md 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         struct lnet_handle_md   buf_mdh;
 166         lnet_nid_t              buf_self;
 167         struct lnet_process_id  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         struct lnet_process_id  srpc_peer;
 189         struct srpc_msg         srpc_replymsg;
 190         struct lnet_handle_md   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         /* # seconds to wait for reply */
 206         int                     crpc_timeout;
 207         struct stt_timer        crpc_timer;
 208         struct swi_workitem     crpc_wi;
 209         struct lnet_process_id  crpc_dest;
 210
 211         void               (*crpc_done)(struct srpc_client_rpc *);
 212         void               (*crpc_fini)(struct srpc_client_rpc *);
 213         int                  crpc_status;    /* completion status */
 214         void                *crpc_priv;      /* caller data */
 215
 216         /* state flags */
 217         unsigned int         crpc_aborted:1; /* being given up */
 218         unsigned int         crpc_closed:1;  /* completed */
 219
 220         /* RPC events */
 221         struct srpc_event       crpc_bulkev;    /* bulk event */
 222         struct srpc_event       crpc_reqstev;   /* request event */
 223         struct srpc_event       crpc_replyev;   /* reply event */
 224
 225         /* bulk, request(reqst), and reply exchanged on wire */
 226         struct srpc_msg         crpc_reqstmsg;
 227         struct srpc_msg         crpc_replymsg;
 228         struct lnet_handle_md   crpc_reqstmdh;
 229         struct lnet_handle_md   crpc_replymdh;
 230         struct srpc_bulk        crpc_bulk;
 231 };
 232
 233 #define srpc_client_rpc_size(rpc)                                       \
 234 offsetof(struct srpc_client_rpc, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 235
 236 #define srpc_client_rpc_addref(rpc)                                     \
 237 do {                                                                    \
 238         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 239                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 240                atomic_read(&(rpc)->crpc_refcount));                 \
 241         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 242         atomic_inc(&(rpc)->crpc_refcount);                          \
 243 } while (0)
 244
 245 #define srpc_client_rpc_decref(rpc)                                     \
 246 do {                                                                    \
 247         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 248                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 249                atomic_read(&(rpc)->crpc_refcount));                 \
 250         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 251         if (atomic_dec_and_test(&(rpc)->crpc_refcount))             \
 252                 srpc_destroy_client_rpc(rpc);                           \
 253 } while (0)
 254
 255 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 256                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 257                                    (rpc)->crpc_replyev.ev_fired == 0)
 258
 259 /* CPU partition data of srpc service */
 260 struct srpc_service_cd {
 261         /** serialize */
 262         spinlock_t              scd_lock;
 263         /** backref to service */
 264         struct srpc_service     *scd_svc;
 265         /** event buffer */
 266         struct srpc_event       scd_ev;
 267         /** free RPC descriptors */
 268         struct list_head        scd_rpc_free;
 269         /** in-flight RPCs */
 270         struct list_head        scd_rpc_active;
 271         /** workitem for posting buffer */
 272         struct swi_workitem     scd_buf_wi;
 273         /** CPT id */
 274         int                     scd_cpt;
 275         /** error code for scd_buf_wi */
 276         int                     scd_buf_err;
 277         /** timestamp for scd_buf_err */
 278         time64_t                scd_buf_err_stamp;
 279         /** total # request buffers */
 280         int                     scd_buf_total;
 281         /** # posted request buffers */
 282         int                     scd_buf_nposted;
 283         /** in progress of buffer posting */
 284         int                     scd_buf_posting;
 285         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 286         int                     scd_buf_low;
 287         /** increase/decrease some buffers */
 288         int                     scd_buf_adjust;
 289         /** posted message buffers */
 290         struct list_head        scd_buf_posted;
 291         /** blocked for RPC descriptor */
 292         struct list_head        scd_buf_blocked;
 293 };
 294
 295 /* number of server workitems (mini-thread) for testing service */
 296 #define SFW_TEST_WI_MIN         256
 297 #define SFW_TEST_WI_MAX         2048
 298 /* extra buffers for tolerating buggy peers, or unbalanced number
 299  * of peers between partitions  */
 300 #define SFW_TEST_WI_EXTRA       64
 301
 302 /* number of server workitems (mini-thread) for framework service */
 303 #define SFW_FRWK_WI_MIN         16
 304 #define SFW_FRWK_WI_MAX         256
 305
 306 struct srpc_service {
 307         int                     sv_id;          /* service id */
 308         const char              *sv_name;       /* human readable name */
 309         int                     sv_wi_total;    /* total server workitems */
 310         int                     sv_shuttingdown;
 311         int                     sv_ncpts;
 312         /* percpt data for srpc_service */
 313         struct srpc_service_cd  **sv_cpt_data;
 314         /* Service callbacks:
 315          * - sv_handler: process incoming RPC request
 316          * - sv_bulk_ready: notify bulk data
 317          */
 318         int              (*sv_handler)(struct srpc_server_rpc *);
 319         int              (*sv_bulk_ready)(struct srpc_server_rpc *, int);
 320 };
 321
 322 struct sfw_session {
 323         /* chain on fw_zombie_sessions */
 324         struct list_head        sn_list;
 325         struct lst_sid          sn_id;          /* unique identifier */
 326         /* # seconds' inactivity to expire */
 327         unsigned int            sn_timeout;
 328         int                     sn_timer_active;
 329         unsigned int            sn_features;
 330         struct stt_timer        sn_timer;
 331         struct list_head        sn_batches;     /* list of batches */
 332         char                    sn_name[LST_NAME_SIZE];
 333         atomic_t                sn_refcount;
 334         atomic_t                sn_brw_errors;
 335         atomic_t                sn_ping_errors;
 336         cfs_time_t              sn_started;
 337 };
 338
 339 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 340                                        (sid0).ses_stamp == (sid1).ses_stamp)
 341
 342 struct sfw_batch {
 343         struct list_head        bat_list;       /* chain on sn_batches */
 344         struct lst_bid          bat_id;         /* batch id */
 345         int                     bat_error;      /* error code of batch */
 346         struct sfw_session      *bat_session;   /* batch's session */
 347         atomic_t                bat_nactive;    /* # of active tests */
 348         struct list_head        bat_tests;      /* test instances */
 349 };
 350
 351 struct sfw_test_client_ops {
 352         int  (*tso_init)(struct sfw_test_instance *tsi); /* intailize test client */
 353         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 354         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 355                              struct lnet_process_id dest,
 356                              struct srpc_client_rpc **rpc); /* prep a tests rpc */
 357         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 358                              struct srpc_client_rpc *rpc);  /* done a test rpc */
 359 };
 360
 361 struct sfw_test_instance {
 362         struct list_head        tsi_list;       /* chain on batch */
 363         int                     tsi_service;    /* test type */
 364         struct sfw_batch        *tsi_batch;     /* batch */
 365         struct sfw_test_client_ops      *tsi_ops;       /* test client operations */
 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 unit */
 377         struct list_head        tsi_units;      /* test units */
 378         struct list_head        tsi_free_rpcs;  /* free rpcs */
 379         struct list_head        tsi_active_rpcs;/* active rpcs */
 380
 381         union {
 382                 struct test_ping_req    ping;     /* ping parameter */
 383                 struct test_bulk_req    bulk_v0;  /* bulk parameter */
 384                 struct test_bulk_req_v1 bulk_v1;  /* bulk v1 parameter */
 385         } tsi_u;
 386 };
 387
 388 /* XXX: trailing (PAGE_SIZE % sizeof(struct lnet_process_id)) bytes at
 389  * the end of pages are not used */
 390 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 391 #define SFW_ID_PER_PAGE    (PAGE_SIZE / sizeof(struct lnet_process_id_packed))
 392 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 393 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 394
 395 struct sfw_test_unit {
 396         struct list_head        tsu_list;       /* chain on lst_test_instance */
 397         struct lnet_process_id  tsu_dest;       /* id of dest node */
 398         int                     tsu_loop;       /* loop count of the test */
 399         struct sfw_test_instance *tsu_instance; /* pointer to test instance */
 400         void                    *tsu_private;   /* private data */
 401         struct swi_workitem      tsu_worker;    /* workitem of the test unit */
 402 };
 403
 404 struct sfw_test_case {
 405         struct list_head                tsc_list;               /* chain on fw_tests */
 406         struct srpc_service             *tsc_srv_service;       /* test service */
 407         struct sfw_test_client_ops      *tsc_cli_ops;           /* ops of test client */
 408 };
 409
 410 struct srpc_client_rpc *
 411 sfw_create_rpc(struct lnet_process_id peer, int service,
 412                unsigned features, int nbulkiov, int bulklen,
 413                void (*done)(struct srpc_client_rpc *), void *priv);
 414 int sfw_create_test_rpc(struct sfw_test_unit *tsu,
 415                         struct lnet_process_id peer, unsigned int features,
 416                         int nblk, int blklen, struct srpc_client_rpc **rpc);
 417 void sfw_abort_rpc(struct srpc_client_rpc *rpc);
 418 void sfw_post_rpc(struct srpc_client_rpc *rpc);
 419 void sfw_client_rpc_done(struct srpc_client_rpc *rpc);
 420 void sfw_unpack_message(struct srpc_msg *msg);
 421 void sfw_free_pages(struct srpc_server_rpc *rpc);
 422 void sfw_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i);
 423 int sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
 424                     int sink);
 425 int sfw_make_session(struct srpc_mksn_reqst *request,
 426                      struct srpc_mksn_reply *reply);
 427
 428 struct srpc_client_rpc *
 429 srpc_create_client_rpc(struct lnet_process_id peer, int service,
 430                        int nbulkiov, int bulklen,
 431                        void (*rpc_done)(struct srpc_client_rpc *),
 432                        void (*rpc_fini)(struct srpc_client_rpc *), void *priv);
 433 void srpc_post_rpc(struct srpc_client_rpc *rpc);
 434 void srpc_abort_rpc(struct srpc_client_rpc *rpc, int why);
 435 void srpc_free_bulk(struct srpc_bulk *bk);
 436 struct srpc_bulk *srpc_alloc_bulk(int cpt, unsigned int off,
 437                                   unsigned int bulk_npg, unsigned int bulk_len,
 438                                   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(struct srpc_counters *cnt);
 449 void srpc_set_counters(const struct srpc_counters *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         return swi->swi_action(swi);
 467 }
 468
 469 static inline void
 470 swi_init_workitem(struct swi_workitem *swi, void *data,
 471                   swi_action_t action, struct cfs_wi_sched *sched)
 472 {
 473         swi->swi_sched  = sched;
 474         swi->swi_action = action;
 475         swi->swi_state  = SWI_STATE_NEWBORN;
 476         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 477 }
 478
 479 static inline void
 480 swi_schedule_workitem(struct swi_workitem *wi)
 481 {
 482         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 483 }
 484
 485 static inline void
 486 swi_exit_workitem(struct swi_workitem *swi)
 487 {
 488         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 489 }
 490
 491 static inline int
 492 swi_deschedule_workitem(struct swi_workitem *swi)
 493 {
 494         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 495 }
 496
 497 int sfw_startup(void);
 498 int srpc_startup(void);
 499 void sfw_shutdown(void);
 500 void srpc_shutdown(void);
 501
 502 static inline void
 503 srpc_destroy_client_rpc(struct srpc_client_rpc *rpc)
 504 {
 505         LASSERT (rpc != NULL);
 506         LASSERT (!srpc_event_pending(rpc));
 507         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
 508
 509         if (rpc->crpc_fini == NULL) {
 510                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 511         } else {
 512                 (*rpc->crpc_fini) (rpc);
 513         }
 514
 515         return;
 516 }
 517
 518 static inline void
 519 srpc_init_client_rpc(struct srpc_client_rpc *rpc, struct lnet_process_id peer,
 520                      int service, int nbulkiov, int bulklen,
 521                      void (*rpc_done)(struct srpc_client_rpc *),
 522                      void (*rpc_fini)(struct srpc_client_rpc *), void *priv)
 523 {
 524         LASSERT(nbulkiov <= LNET_MAX_IOV);
 525
 526         memset(rpc, 0, offsetof(struct srpc_client_rpc,
 527                                 crpc_bulk.bk_iovs[nbulkiov]));
 528
 529         INIT_LIST_HEAD(&rpc->crpc_list);
 530         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 531                           lst_sched_test[lnet_cpt_of_nid(peer.nid, NULL)]);
 532         spin_lock_init(&rpc->crpc_lock);
 533         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 534
 535         rpc->crpc_dest         = peer;
 536         rpc->crpc_priv         = priv;
 537         rpc->crpc_service      = service;
 538         rpc->crpc_bulk.bk_len  = bulklen;
 539         rpc->crpc_bulk.bk_niov = nbulkiov;
 540         rpc->crpc_done         = rpc_done;
 541         rpc->crpc_fini         = rpc_fini;
 542         LNetInvalidateMDHandle(&rpc->crpc_reqstmdh);
 543         LNetInvalidateMDHandle(&rpc->crpc_replymdh);
 544         LNetInvalidateMDHandle(&rpc->crpc_bulk.bk_mdh);
 545
 546         /* no event is expected at this point */
 547         rpc->crpc_bulkev.ev_fired  =
 548         rpc->crpc_reqstev.ev_fired =
 549         rpc->crpc_replyev.ev_fired = 1;
 550
 551         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 552         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 553         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 554         return;
 555 }
 556
 557 static inline const char *
 558 swi_state2str (int state)
 559 {
 560 #define STATE2STR(x) case x: return #x
 561         switch(state) {
 562                 default:
 563                         LBUG();
 564                 STATE2STR(SWI_STATE_NEWBORN);
 565                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 566                 STATE2STR(SWI_STATE_REPLY_SENT);
 567                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 568                 STATE2STR(SWI_STATE_REQUEST_SENT);
 569                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 570                 STATE2STR(SWI_STATE_BULK_STARTED);
 571                 STATE2STR(SWI_STATE_DONE);
 572         }
 573 #undef STATE2STR
 574 }
 575
 576 #define lst_wait_until(cond, lock, fmt, ...)                            \
 577 do {                                                                    \
 578         int __I = 2;                                                    \
 579         while (!(cond)) {                                               \
 580                 CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET,        \
 581                        fmt, ## __VA_ARGS__);                            \
 582                 spin_unlock(&(lock));                                   \
 583                                                                         \
 584                 set_current_state(TASK_UNINTERRUPTIBLE);                \
 585                 schedule_timeout(cfs_time_seconds(1) / 10);             \
 586                                                                         \
 587                 spin_lock(&(lock));                                     \
 588         }                                                               \
 589 } while (0)
 590
 591 static inline void
 592 srpc_wait_service_shutdown(struct srpc_service *sv)
 593 {
 594         int i = 2;
 595
 596         LASSERT(sv->sv_shuttingdown);
 597
 598         while (srpc_finish_service(sv) == 0) {
 599                 i++;
 600                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 601                        "Waiting for %s service to shutdown...\n",
 602                        sv->sv_name);
 603                 set_current_state(TASK_UNINTERRUPTIBLE);
 604                 schedule_timeout(cfs_time_seconds(1) / 10);
 605         }
 606 }
 607
 608 extern struct sfw_test_client_ops ping_test_client;
 609 extern struct srpc_service ping_test_service;
 610 void ping_init_test_client(void);
 611 void ping_init_test_service(void);
 612
 613 extern struct sfw_test_client_ops brw_test_client;
 614 extern struct srpc_service brw_test_service;
 615 void brw_init_test_client(void);
 616 void brw_init_test_service(void);
 617
 618 #endif /* __SELFTEST_SELFTEST_H__ */