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, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  *
  31  * lnet/selftest/selftest.h
  32  *
  33  * Author: Isaac Huang <isaac@clusterfs.com>
  34  */
  35 #ifndef __SELFTEST_SELFTEST_H__
  36 #define __SELFTEST_SELFTEST_H__
  37
  38 #define LNET_ONLY
  39
  40 #include <libcfs/libcfs.h>
  41 #include <lnet/api.h>
  42 #include <lnet/lib-lnet.h>
  43 #include <lnet/lib-types.h>
  44 #include <uapi/linux/lnet/lnetst.h>
  45
  46 #include "rpc.h"
  47 #include "timer.h"
  48
  49 #ifndef MADE_WITHOUT_COMPROMISE
  50 #define MADE_WITHOUT_COMPROMISE
  51 #endif
  52
  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) received */
 134         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 135         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 136         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 137         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 138         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 139         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 140 };
 141
 142 /* RPC event */
 143 struct srpc_event {
 144         enum srpc_event_type    ev_type;   /* what's up */
 145         enum lnet_event_kind    ev_lnet;   /* LNet event type */
 146         int               ev_fired;  /* LNet event fired? */
 147         int               ev_status; /* LNet event status */
 148         void             *ev_data;   /* owning server/client RPC */
 149 };
 150
 151 /* bulk descriptor */
 152 struct srpc_bulk {
 153         int                     bk_len;  /* len of bulk data */
 154         struct lnet_handle_md   bk_mdh;
 155         int                     bk_sink; /* sink/source */
 156         int                     bk_niov; /* # iov in bk_iovs */
 157         struct bio_vec          bk_iovs[0];
 158 };
 159
 160 /* message buffer descriptor */
 161 struct srpc_buffer {
 162         struct list_head        buf_list; /* chain on srpc_service::*_msgq */
 163         struct srpc_msg         buf_msg;
 164         struct lnet_handle_md   buf_mdh;
 165         lnet_nid_t              buf_self;
 166         struct lnet_process_id  buf_peer;
 167 };
 168
 169 struct swi_workitem;
 170 typedef int (*swi_action_t)(struct swi_workitem *);
 171
 172 struct swi_workitem {
 173         struct cfs_wi_sched     *swi_sched;
 174         struct cfs_workitem     swi_workitem;
 175         swi_action_t         swi_action;
 176         int                  swi_state;
 177 };
 178
 179 /* server-side state of a RPC */
 180 struct srpc_server_rpc {
 181         /* chain on srpc_service::*_rpcq */
 182         struct list_head        srpc_list;
 183         struct srpc_service_cd *srpc_scd;
 184         struct swi_workitem     srpc_wi;
 185         struct srpc_event       srpc_ev;        /* bulk/reply event */
 186         lnet_nid_t              srpc_self;
 187         struct lnet_process_id  srpc_peer;
 188         struct srpc_msg         srpc_replymsg;
 189         struct lnet_handle_md   srpc_replymdh;
 190         struct srpc_buffer     *srpc_reqstbuf;
 191         struct srpc_bulk       *srpc_bulk;
 192
 193         unsigned int    srpc_aborted; /* being given up */
 194         int             srpc_status;
 195         void            (*srpc_done)(struct srpc_server_rpc *);
 196 };
 197
 198 /* client-side state of a RPC */
 199 struct srpc_client_rpc {
 200         struct list_head        crpc_list;      /* chain on user's lists */
 201         spinlock_t              crpc_lock;      /* serialize */
 202         int                     crpc_service;
 203         atomic_t                crpc_refcount;
 204         /* # seconds to wait for reply */
 205         int                     crpc_timeout;
 206         struct stt_timer        crpc_timer;
 207         struct swi_workitem     crpc_wi;
 208         struct lnet_process_id  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         struct lnet_handle_md   crpc_reqstmdh;
 228         struct lnet_handle_md   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 == 0 ||  \
 255                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 256                                    (rpc)->crpc_replyev.ev_fired == 0)
 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         /* chain on fw_zombie_sessions */
 323         struct list_head        sn_list;
 324         struct lst_sid          sn_id;          /* unique identifier */
 325         /* # seconds' inactivity to expire */
 326         unsigned int            sn_timeout;
 327         int                     sn_timer_active;
 328         unsigned int            sn_features;
 329         struct stt_timer        sn_timer;
 330         struct list_head        sn_batches;     /* list of batches */
 331         char                    sn_name[LST_NAME_SIZE];
 332         atomic_t                sn_refcount;
 333         atomic_t                sn_brw_errors;
 334         atomic_t                sn_ping_errors;
 335         ktime_t                 sn_started;
 336 };
 337
 338 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 339                                        (sid0).ses_stamp == (sid1).ses_stamp)
 340
 341 struct sfw_batch {
 342         struct list_head        bat_list;       /* chain on sn_batches */
 343         struct lst_bid          bat_id;         /* batch id */
 344         int                     bat_error;      /* error code of batch */
 345         struct sfw_session      *bat_session;   /* batch's session */
 346         atomic_t                bat_nactive;    /* # of active tests */
 347         struct list_head        bat_tests;      /* test instances */
 348 };
 349
 350 struct sfw_test_client_ops {
 351         int  (*tso_init)(struct sfw_test_instance *tsi); /* intailize test client */
 352         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 353         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 354                              struct lnet_process_id 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 operations */
 365
 366         /* public parameter for all test units */
 367         unsigned int            tsi_is_client:1;     /* is test client */
 368         unsigned int            tsi_stoptsu_onerr:1; /* stop tsu on error */
 369         int                     tsi_concur;          /* concurrency */
 370         int                     tsi_loop;            /* loop count */
 371
 372         /* status of test instance */
 373         spinlock_t              tsi_lock;       /* serialize */
 374         unsigned int            tsi_stopping:1; /* test is stopping */
 375         atomic_t                tsi_nactive;    /* # of active test unit */
 376         struct list_head        tsi_units;      /* test units */
 377         struct list_head        tsi_free_rpcs;  /* free rpcs */
 378         struct list_head        tsi_active_rpcs;/* active rpcs */
 379
 380         union {
 381                 struct test_ping_req    ping;     /* ping parameter */
 382                 struct test_bulk_req    bulk_v0;  /* bulk parameter */
 383                 struct test_bulk_req_v1 bulk_v1;  /* bulk v1 parameter */
 384         } tsi_u;
 385 };
 386
 387 /* XXX: trailing (PAGE_SIZE % sizeof(struct lnet_process_id)) bytes at
 388  * the end of pages are not used */
 389 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 390 #define SFW_ID_PER_PAGE    (PAGE_SIZE / sizeof(struct lnet_process_id_packed))
 391 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 392 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 393
 394 struct sfw_test_unit {
 395         struct list_head        tsu_list;       /* chain on lst_test_instance */
 396         struct lnet_process_id  tsu_dest;       /* id of dest node */
 397         int                     tsu_loop;       /* loop count of the test */
 398         struct sfw_test_instance *tsu_instance; /* pointer to test instance */
 399         void                    *tsu_private;   /* private data */
 400         struct swi_workitem      tsu_worker;    /* workitem of the test unit */
 401 };
 402
 403 struct sfw_test_case {
 404         struct list_head                tsc_list;               /* chain on fw_tests */
 405         struct srpc_service             *tsc_srv_service;       /* test service */
 406         struct sfw_test_client_ops      *tsc_cli_ops;           /* ops of test client */
 407 };
 408
 409 struct srpc_client_rpc *
 410 sfw_create_rpc(struct lnet_process_id peer, int service,
 411                unsigned features, int nbulkiov, int bulklen,
 412                void (*done)(struct srpc_client_rpc *), void *priv);
 413 int sfw_create_test_rpc(struct sfw_test_unit *tsu,
 414                         struct lnet_process_id peer, unsigned int features,
 415                         int nblk, int blklen, struct srpc_client_rpc **rpc);
 416 void sfw_abort_rpc(struct srpc_client_rpc *rpc);
 417 void sfw_post_rpc(struct srpc_client_rpc *rpc);
 418 void sfw_client_rpc_done(struct srpc_client_rpc *rpc);
 419 void sfw_unpack_message(struct srpc_msg *msg);
 420 void sfw_free_pages(struct srpc_server_rpc *rpc);
 421 void sfw_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i);
 422 int sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
 423                     int sink);
 424 int sfw_make_session(struct srpc_mksn_reqst *request,
 425                      struct srpc_mksn_reply *reply);
 426
 427 struct srpc_client_rpc *
 428 srpc_create_client_rpc(struct lnet_process_id peer, int service,
 429                        int nbulkiov, int bulklen,
 430                        void (*rpc_done)(struct srpc_client_rpc *),
 431                        void (*rpc_fini)(struct srpc_client_rpc *), void *priv);
 432 void srpc_post_rpc(struct srpc_client_rpc *rpc);
 433 void srpc_abort_rpc(struct srpc_client_rpc *rpc, int why);
 434 void srpc_free_bulk(struct srpc_bulk *bk);
 435 struct srpc_bulk *srpc_alloc_bulk(int cpt, unsigned int off,
 436                                   unsigned int bulk_npg, unsigned int bulk_len,
 437                                   int sink);
 438 int srpc_send_rpc(struct swi_workitem *wi);
 439 int srpc_send_reply(struct srpc_server_rpc *rpc);
 440 int srpc_add_service(struct srpc_service *sv);
 441 int srpc_remove_service(struct srpc_service *sv);
 442 void srpc_shutdown_service(struct srpc_service *sv);
 443 void srpc_abort_service(struct srpc_service *sv);
 444 int srpc_finish_service(struct srpc_service *sv);
 445 int srpc_service_add_buffers(struct srpc_service *sv, int nbuffer);
 446 void srpc_service_remove_buffers(struct srpc_service *sv, int nbuffer);
 447 void srpc_get_counters(struct srpc_counters *cnt);
 448 void srpc_set_counters(const struct srpc_counters *cnt);
 449
 450 extern struct cfs_wi_sched *lst_sched_serial;
 451 extern struct cfs_wi_sched **lst_sched_test;
 452
 453 static inline int
 454 srpc_serv_is_framework(struct srpc_service *svc)
 455 {
 456         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 457 }
 458
 459 static inline int
 460 swi_wi_action(struct cfs_workitem *wi)
 461 {
 462         struct swi_workitem *swi;
 463
 464         swi = container_of(wi, struct swi_workitem, swi_workitem);
 465         return swi->swi_action(swi);
 466 }
 467
 468 static inline void
 469 swi_init_workitem(struct swi_workitem *swi,
 470                   swi_action_t action, struct cfs_wi_sched *sched)
 471 {
 472         swi->swi_sched  = sched;
 473         swi->swi_action = action;
 474         swi->swi_state  = SWI_STATE_NEWBORN;
 475         cfs_wi_init(&swi->swi_workitem, swi_wi_action);
 476 }
 477
 478 static inline void
 479 swi_schedule_workitem(struct swi_workitem *wi)
 480 {
 481         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 482 }
 483
 484 static inline void
 485 swi_exit_workitem(struct swi_workitem *swi)
 486 {
 487         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 488 }
 489
 490 static inline int
 491 swi_deschedule_workitem(struct swi_workitem *swi)
 492 {
 493         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 494 }
 495
 496 int sfw_startup(void);
 497 int srpc_startup(void);
 498 void sfw_shutdown(void);
 499 void srpc_shutdown(void);
 500
 501 static inline void
 502 srpc_destroy_client_rpc(struct srpc_client_rpc *rpc)
 503 {
 504         LASSERT (rpc != NULL);
 505         LASSERT (!srpc_event_pending(rpc));
 506         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
 507
 508         if (rpc->crpc_fini == NULL) {
 509                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 510         } else {
 511                 (*rpc->crpc_fini) (rpc);
 512         }
 513 }
 514
 515 static inline void
 516 srpc_init_client_rpc(struct srpc_client_rpc *rpc, struct lnet_process_id peer,
 517                      int service, int nbulkiov, int bulklen,
 518                      void (*rpc_done)(struct srpc_client_rpc *),
 519                      void (*rpc_fini)(struct srpc_client_rpc *), void *priv)
 520 {
 521         LASSERT(nbulkiov <= LNET_MAX_IOV);
 522
 523         memset(rpc, 0, offsetof(struct srpc_client_rpc,
 524                                 crpc_bulk.bk_iovs[nbulkiov]));
 525
 526         INIT_LIST_HEAD(&rpc->crpc_list);
 527         swi_init_workitem(&rpc->crpc_wi, srpc_send_rpc,
 528                           lst_sched_test[lnet_cpt_of_nid(peer.nid, NULL)]);
 529         spin_lock_init(&rpc->crpc_lock);
 530         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 531
 532         rpc->crpc_dest         = peer;
 533         rpc->crpc_priv         = priv;
 534         rpc->crpc_service      = service;
 535         rpc->crpc_bulk.bk_len  = bulklen;
 536         rpc->crpc_bulk.bk_niov = nbulkiov;
 537         rpc->crpc_done         = rpc_done;
 538         rpc->crpc_fini         = rpc_fini;
 539         LNetInvalidateMDHandle(&rpc->crpc_reqstmdh);
 540         LNetInvalidateMDHandle(&rpc->crpc_replymdh);
 541         LNetInvalidateMDHandle(&rpc->crpc_bulk.bk_mdh);
 542
 543         /* no event is expected at this point */
 544         rpc->crpc_bulkev.ev_fired  =
 545         rpc->crpc_reqstev.ev_fired =
 546         rpc->crpc_replyev.ev_fired = 1;
 547
 548         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 549         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 550         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 551 }
 552
 553 static inline const char *
 554 swi_state2str (int state)
 555 {
 556 #define STATE2STR(x) case x: return #x
 557         switch(state) {
 558                 default:
 559                         LBUG();
 560                 STATE2STR(SWI_STATE_NEWBORN);
 561                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 562                 STATE2STR(SWI_STATE_REPLY_SENT);
 563                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 564                 STATE2STR(SWI_STATE_REQUEST_SENT);
 565                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 566                 STATE2STR(SWI_STATE_BULK_STARTED);
 567                 STATE2STR(SWI_STATE_DONE);
 568         }
 569 #undef STATE2STR
 570 }
 571
 572 #define lst_wait_until(cond, lock, fmt, ...)                            \
 573 do {                                                                    \
 574         int __I = 2;                                                    \
 575         while (!(cond)) {                                               \
 576                 CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET,        \
 577                        fmt, ## __VA_ARGS__);                            \
 578                 spin_unlock(&(lock));                                   \
 579                                                                         \
 580                 schedule_timeout_uninterruptible(                       \
 581                         cfs_time_seconds(1) / 10);                      \
 582                                                                         \
 583                 spin_lock(&(lock));                                     \
 584         }                                                               \
 585 } while (0)
 586
 587 static inline void
 588 srpc_wait_service_shutdown(struct srpc_service *sv)
 589 {
 590         int i = 2;
 591
 592         LASSERT(sv->sv_shuttingdown);
 593
 594         while (srpc_finish_service(sv) == 0) {
 595                 i++;
 596                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 597                        "Waiting for %s service to shutdown...\n",
 598                        sv->sv_name);
 599                 schedule_timeout_uninterruptible(cfs_time_seconds(1) / 10);
 600         }
 601 }
 602
 603 extern struct sfw_test_client_ops ping_test_client;
 604 extern struct srpc_service ping_test_service;
 605 void ping_init_test_client(void);
 606 void ping_init_test_service(void);
 607
 608 extern struct sfw_test_client_ops brw_test_client;
 609 extern struct srpc_service brw_test_service;
 610 void brw_init_test_client(void);
 611 void brw_init_test_service(void);
 612
 613 #endif /* __SELFTEST_SELFTEST_H__ */