kernel/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.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  * copy of GPLv2].
  20  *
  21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22  * CA 95054 USA or visit www.sun.com if you need additional information or
  23  * have any questions.
  24  *
  25  * GPL HEADER END
  26  */
  27 /*
  28  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  29  * Use is subject to license terms.
  30  *
  31  * Copyright (c) 2012, Intel Corporation.
  32  */
  33 /*
  34  * This file is part of Lustre, http://www.lustre.org/
  35  * Lustre is a trademark of Sun Microsystems, Inc.
  36  *
  37  * lnet/selftest/selftest.h
  38  *
  39  * Author: Isaac Huang <isaac@clusterfs.com>
  40  */
  41 #ifndef __SELFTEST_SELFTEST_H__
  42 #define __SELFTEST_SELFTEST_H__
  43
  44 #define LNET_ONLY
  45
  46 #include "../../include/linux/libcfs/libcfs.h"
  47 #include "../../include/linux/lnet/lnet.h"
  48 #include "../../include/linux/lnet/lib-lnet.h"
  49 #include "../../include/linux/lnet/lib-types.h"
  50 #include "../../include/linux/lnet/lnetst.h"
  51
  52 #include "rpc.h"
  53 #include "timer.h"
  54
  55 #ifndef MADE_WITHOUT_COMPROMISE
  56 #define MADE_WITHOUT_COMPROMISE
  57 #endif
  58
  59
  60 #define SWI_STATE_NEWBORN                 0
  61 #define SWI_STATE_REPLY_SUBMITTED         1
  62 #define SWI_STATE_REPLY_SENT           2
  63 #define SWI_STATE_REQUEST_SUBMITTED     3
  64 #define SWI_STATE_REQUEST_SENT       4
  65 #define SWI_STATE_REPLY_RECEIVED           5
  66 #define SWI_STATE_BULK_STARTED       6
  67 #define SWI_STATE_DONE               10
  68
  69 /* forward refs */
  70 struct srpc_service;
  71 struct srpc_service_cd;
  72 struct sfw_test_unit;
  73 struct sfw_test_instance;
  74
  75 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  76  * services, e.g. create/modify session.
  77  */
  78 #define SRPC_SERVICE_DEBUG            0
  79 #define SRPC_SERVICE_MAKE_SESSION       1
  80 #define SRPC_SERVICE_REMOVE_SESSION     2
  81 #define SRPC_SERVICE_BATCH            3
  82 #define SRPC_SERVICE_TEST              4
  83 #define SRPC_SERVICE_QUERY_STAT  5
  84 #define SRPC_SERVICE_JOIN              6
  85 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  86 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  87 #define SRPC_SERVICE_BRW                11
  88 #define SRPC_SERVICE_PING              12
  89 #define SRPC_SERVICE_MAX_ID          12
  90
  91 #define SRPC_REQUEST_PORTAL          50
  92 /* a lazy portal for framework RPC requests */
  93 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
  94 /* all reply/bulk RDMAs go to this portal */
  95 #define SRPC_RDMA_PORTAL                52
  96
  97 static inline srpc_msg_type_t
  98 srpc_service2request (int service)
  99 {
 100         switch (service) {
 101         default:
 102                 LBUG ();
 103         case SRPC_SERVICE_DEBUG:
 104                 return SRPC_MSG_DEBUG_REQST;
 105
 106         case SRPC_SERVICE_MAKE_SESSION:
 107                 return SRPC_MSG_MKSN_REQST;
 108
 109         case SRPC_SERVICE_REMOVE_SESSION:
 110                 return SRPC_MSG_RMSN_REQST;
 111
 112         case SRPC_SERVICE_BATCH:
 113                 return SRPC_MSG_BATCH_REQST;
 114
 115         case SRPC_SERVICE_TEST:
 116                 return SRPC_MSG_TEST_REQST;
 117
 118         case SRPC_SERVICE_QUERY_STAT:
 119                 return SRPC_MSG_STAT_REQST;
 120
 121         case SRPC_SERVICE_BRW:
 122                 return SRPC_MSG_BRW_REQST;
 123
 124         case SRPC_SERVICE_PING:
 125                 return SRPC_MSG_PING_REQST;
 126
 127         case SRPC_SERVICE_JOIN:
 128                 return SRPC_MSG_JOIN_REQST;
 129         }
 130 }
 131
 132 static inline srpc_msg_type_t
 133 srpc_service2reply (int service)
 134 {
 135         return srpc_service2request(service) + 1;
 136 }
 137
 138 typedef enum {
 139         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) received */
 140         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 141         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 142         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 143         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 144         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 145         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 146 } srpc_event_type_t;
 147
 148 /* RPC event */
 149 typedef struct {
 150         srpc_event_type_t ev_type;   /* what's up */
 151         lnet_event_kind_t ev_lnet;   /* LNet event type */
 152         int            ev_fired;  /* LNet event fired? */
 153         int            ev_status; /* LNet event status */
 154         void         *ev_data;   /* owning server/client RPC */
 155 } srpc_event_t;
 156
 157 typedef struct {
 158         int           bk_len;  /* len of bulk data */
 159         lnet_handle_md_t bk_mdh;
 160         int           bk_sink; /* sink/source */
 161         int           bk_niov; /* # iov in bk_iovs */
 162         lnet_kiov_t      bk_iovs[0];
 163 } srpc_bulk_t; /* bulk descriptor */
 164
 165 /* message buffer descriptor */
 166 typedef struct srpc_buffer {
 167         struct list_head           buf_list; /* chain on srpc_service::*_msgq */
 168         srpc_msg_t         buf_msg;
 169         lnet_handle_md_t     buf_mdh;
 170         lnet_nid_t         buf_self;
 171         lnet_process_id_t    buf_peer;
 172 } srpc_buffer_t;
 173
 174 struct swi_workitem;
 175 typedef int (*swi_action_t) (struct swi_workitem *);
 176
 177 typedef struct swi_workitem {
 178         struct cfs_wi_sched     *swi_sched;
 179         cfs_workitem_t       swi_workitem;
 180         swi_action_t     swi_action;
 181         int               swi_state;
 182 } swi_workitem_t;
 183
 184 /* server-side state of a RPC */
 185 typedef struct srpc_server_rpc {
 186         /* chain on srpc_service::*_rpcq */
 187         struct list_head                srpc_list;
 188         struct srpc_service_cd *srpc_scd;
 189         swi_workitem_t       srpc_wi;
 190         srpc_event_t     srpc_ev;      /* bulk/reply event */
 191         lnet_nid_t         srpc_self;
 192         lnet_process_id_t    srpc_peer;
 193         srpc_msg_t         srpc_replymsg;
 194         lnet_handle_md_t     srpc_replymdh;
 195         srpc_buffer_t       *srpc_reqstbuf;
 196         srpc_bulk_t      *srpc_bulk;
 197
 198         unsigned int     srpc_aborted; /* being given up */
 199         int               srpc_status;
 200         void           (*srpc_done)(struct srpc_server_rpc *);
 201 } srpc_server_rpc_t;
 202
 203 /* client-side state of a RPC */
 204 typedef struct srpc_client_rpc {
 205         struct list_head                crpc_list;      /* chain on user's lists */
 206         spinlock_t              crpc_lock;      /* serialize */
 207         int               crpc_service;
 208         atomic_t         crpc_refcount;
 209         int               crpc_timeout; /* # seconds to wait for reply */
 210         stt_timer_t       crpc_timer;
 211         swi_workitem_t       crpc_wi;
 212         lnet_process_id_t    crpc_dest;
 213
 214         void           (*crpc_done)(struct srpc_client_rpc *);
 215         void           (*crpc_fini)(struct srpc_client_rpc *);
 216         int               crpc_status;    /* completion status */
 217         void            *crpc_priv;      /* caller data */
 218
 219         /* state flags */
 220         unsigned int     crpc_aborted:1; /* being given up */
 221         unsigned int     crpc_closed:1;  /* completed */
 222
 223         /* RPC events */
 224         srpc_event_t     crpc_bulkev;    /* bulk event */
 225         srpc_event_t     crpc_reqstev;   /* request event */
 226         srpc_event_t     crpc_replyev;   /* reply event */
 227
 228         /* bulk, request(reqst), and reply exchanged on wire */
 229         srpc_msg_t         crpc_reqstmsg;
 230         srpc_msg_t         crpc_replymsg;
 231         lnet_handle_md_t     crpc_reqstmdh;
 232         lnet_handle_md_t     crpc_replymdh;
 233         srpc_bulk_t       crpc_bulk;
 234 } srpc_client_rpc_t;
 235
 236 #define srpc_client_rpc_size(rpc)                                      \
 237 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 238
 239 #define srpc_client_rpc_addref(rpc)                                  \
 240 do {                                                                \
 241         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                  \
 242                (rpc), libcfs_id2str((rpc)->crpc_dest),            \
 243                atomic_read(&(rpc)->crpc_refcount));              \
 244         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 245         atomic_inc(&(rpc)->crpc_refcount);                        \
 246 } while (0)
 247
 248 #define srpc_client_rpc_decref(rpc)                                  \
 249 do {                                                                \
 250         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                  \
 251                (rpc), libcfs_id2str((rpc)->crpc_dest),            \
 252                atomic_read(&(rpc)->crpc_refcount));              \
 253         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 254         if (atomic_dec_and_test(&(rpc)->crpc_refcount))      \
 255                 srpc_destroy_client_rpc(rpc);                      \
 256 } while (0)
 257
 258 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 259                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 260                                    (rpc)->crpc_replyev.ev_fired == 0)
 261
 262 /* CPU partition data of srpc service */
 263 struct srpc_service_cd {
 264         /** serialize */
 265         spinlock_t              scd_lock;
 266         /** backref to service */
 267         struct srpc_service     *scd_svc;
 268         /** event buffer */
 269         srpc_event_t            scd_ev;
 270         /** free RPC descriptors */
 271         struct list_head                scd_rpc_free;
 272         /** in-flight RPCs */
 273         struct list_head                scd_rpc_active;
 274         /** workitem for posting buffer */
 275         swi_workitem_t          scd_buf_wi;
 276         /** CPT id */
 277         int                     scd_cpt;
 278         /** error code for scd_buf_wi */
 279         int                     scd_buf_err;
 280         /** timestamp for scd_buf_err */
 281         unsigned long      scd_buf_err_stamp;
 282         /** total # request buffers */
 283         int                     scd_buf_total;
 284         /** # posted request buffers */
 285         int                     scd_buf_nposted;
 286         /** in progress of buffer posting */
 287         int                     scd_buf_posting;
 288         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 289         int                     scd_buf_low;
 290         /** increase/decrease some buffers */
 291         int                     scd_buf_adjust;
 292         /** posted message buffers */
 293         struct list_head                scd_buf_posted;
 294         /** blocked for RPC descriptor */
 295         struct list_head                scd_buf_blocked;
 296 };
 297
 298 /* number of server workitems (mini-thread) for testing service */
 299 #define SFW_TEST_WI_MIN         256
 300 #define SFW_TEST_WI_MAX         2048
 301 /* extra buffers for tolerating buggy peers, or unbalanced number
 302  * of peers between partitions  */
 303 #define SFW_TEST_WI_EXTRA       64
 304
 305 /* number of server workitems (mini-thread) for framework service */
 306 #define SFW_FRWK_WI_MIN         16
 307 #define SFW_FRWK_WI_MAX         256
 308
 309 typedef struct srpc_service {
 310         int                     sv_id;          /* service id */
 311         const char              *sv_name;       /* human readable name */
 312         int                     sv_wi_total;    /* total server workitems */
 313         int                     sv_shuttingdown;
 314         int                     sv_ncpts;
 315         /* percpt data for srpc_service */
 316         struct srpc_service_cd  **sv_cpt_data;
 317         /* Service callbacks:
 318          * - sv_handler: process incoming RPC request
 319          * - sv_bulk_ready: notify bulk data
 320          */
 321         int           (*sv_handler) (srpc_server_rpc_t *);
 322         int           (*sv_bulk_ready) (srpc_server_rpc_t *, int);
 323 } srpc_service_t;
 324
 325 typedef struct {
 326         struct list_head        sn_list;    /* chain on fw_zombie_sessions */
 327         lst_sid_t        sn_id;      /* unique identifier */
 328         unsigned int      sn_timeout; /* # seconds' inactivity to expire */
 329         int            sn_timer_active;
 330         unsigned int      sn_features;
 331         stt_timer_t       sn_timer;
 332         struct list_head        sn_batches; /* list of batches */
 333         char          sn_name[LST_NAME_SIZE];
 334         atomic_t      sn_refcount;
 335         atomic_t      sn_brw_errors;
 336         atomic_t      sn_ping_errors;
 337         unsigned long   sn_started;
 338 } sfw_session_t;
 339
 340 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 341                                        (sid0).ses_stamp == (sid1).ses_stamp)
 342
 343 typedef struct {
 344         struct list_head        bat_list;      /* chain on sn_batches */
 345         lst_bid_t        bat_id;        /* batch id */
 346         int            bat_error;     /* error code of batch */
 347         sfw_session_t    *bat_session;   /* batch's session */
 348         atomic_t      bat_nactive;   /* # of active tests */
 349         struct list_head        bat_tests;     /* test instances */
 350 } sfw_batch_t;
 351
 352 typedef struct {
 353         int  (*tso_init)(struct sfw_test_instance *tsi); /* initialize test client */
 354         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 355         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 356                              lnet_process_id_t dest,
 357                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 358         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 359                              srpc_client_rpc_t *rpc);    /* done a test rpc */
 360 } sfw_test_client_ops_t;
 361
 362 typedef struct sfw_test_instance {
 363         struct list_head              tsi_list;  /* chain on batch */
 364         int                  tsi_service;      /* test type */
 365         sfw_batch_t         *tsi_batch; /* batch */
 366         sfw_test_client_ops_t  *tsi_ops;          /* test client operations */
 367
 368         /* public parameter for all test units */
 369         unsigned int            tsi_is_client:1;     /* is test client */
 370         unsigned int            tsi_stoptsu_onerr:1; /* stop tsu on error */
 371         int                  tsi_concur;          /* concurrency */
 372         int                  tsi_loop;      /* loop count */
 373
 374         /* status of test instance */
 375         spinlock_t              tsi_lock;         /* serialize */
 376         unsigned int            tsi_stopping:1;   /* test is stopping */
 377         atomic_t            tsi_nactive;      /* # of active test 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                 test_ping_req_t         ping;     /* ping parameter */
 384                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
 385                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
 386         } tsi_u;
 387 } sfw_test_instance_t;
 388
 389 /* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
 390  * the end of pages are not used */
 391 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 392 #define SFW_ID_PER_PAGE    (PAGE_CACHE_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 typedef 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         sfw_test_instance_t  *tsu_instance;     /* pointer to test instance */
 401         void             *tsu_private;      /* private data */
 402         swi_workitem_t  tsu_worker;       /* workitem of the test unit */
 403 } sfw_test_unit_t;
 404
 405 typedef struct sfw_test_case {
 406         struct list_head              tsc_list;  /* chain on fw_tests */
 407         srpc_service_t   *tsc_srv_service;  /* test service */
 408         sfw_test_client_ops_t  *tsc_cli_ops;      /* ops of test client */
 409 } sfw_test_case_t;
 410
 411 srpc_client_rpc_t *
 412 sfw_create_rpc(lnet_process_id_t peer, int service,
 413                unsigned features, int nbulkiov, int bulklen,
 414                void (*done) (srpc_client_rpc_t *), void *priv);
 415 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 416                         lnet_process_id_t peer, unsigned features,
 417                         int nblk, int blklen, srpc_client_rpc_t **rpc);
 418 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 419 void sfw_post_rpc(srpc_client_rpc_t *rpc);
 420 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 421 void sfw_unpack_message(srpc_msg_t *msg);
 422 void sfw_free_pages(srpc_server_rpc_t *rpc);
 423 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 424 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 425                     int sink);
 426 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 427
 428 srpc_client_rpc_t *
 429 srpc_create_client_rpc(lnet_process_id_t peer, int service,
 430                        int nbulkiov, int bulklen,
 431                        void (*rpc_done)(srpc_client_rpc_t *),
 432                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 433 void srpc_post_rpc(srpc_client_rpc_t *rpc);
 434 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 435 void srpc_free_bulk(srpc_bulk_t *bk);
 436 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 437                              int sink);
 438 int srpc_send_rpc(swi_workitem_t *wi);
 439 int srpc_send_reply(srpc_server_rpc_t *rpc);
 440 int srpc_add_service(srpc_service_t *sv);
 441 int srpc_remove_service(srpc_service_t *sv);
 442 void srpc_shutdown_service(srpc_service_t *sv);
 443 void srpc_abort_service(srpc_service_t *sv);
 444 int srpc_finish_service(srpc_service_t *sv);
 445 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 446 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 447 void srpc_get_counters(srpc_counters_t *cnt);
 448 void srpc_set_counters(const srpc_counters_t *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(cfs_workitem_t *wi)
 461 {
 462         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 463
 464         return swi->swi_action(swi);
 465 }
 466
 467 static inline void
 468 swi_init_workitem(swi_workitem_t *swi, void *data,
 469                   swi_action_t action, struct cfs_wi_sched *sched)
 470 {
 471         swi->swi_sched  = sched;
 472         swi->swi_action = action;
 473         swi->swi_state  = SWI_STATE_NEWBORN;
 474         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 475 }
 476
 477 static inline void
 478 swi_schedule_workitem(swi_workitem_t *wi)
 479 {
 480         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 481 }
 482
 483 static inline void
 484 swi_exit_workitem(swi_workitem_t *swi)
 485 {
 486         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 487 }
 488
 489 static inline int
 490 swi_deschedule_workitem(swi_workitem_t *swi)
 491 {
 492         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 493 }
 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 (srpc_client_rpc_t *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         return;
 515 }
 516
 517 static inline void
 518 srpc_init_client_rpc (srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 519                       int service, int nbulkiov, int bulklen,
 520                       void (*rpc_done)(srpc_client_rpc_t *),
 521                       void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 522 {
 523         LASSERT (nbulkiov <= LNET_MAX_IOV);
 524
 525         memset(rpc, 0, offsetof(srpc_client_rpc_t,
 526                                 crpc_bulk.bk_iovs[nbulkiov]));
 527
 528         INIT_LIST_HEAD(&rpc->crpc_list);
 529         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 530                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 531         spin_lock_init(&rpc->crpc_lock);
 532         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 533
 534         rpc->crpc_dest   = peer;
 535         rpc->crpc_priv   = priv;
 536         rpc->crpc_service      = service;
 537         rpc->crpc_bulk.bk_len  = bulklen;
 538         rpc->crpc_bulk.bk_niov = nbulkiov;
 539         rpc->crpc_done   = rpc_done;
 540         rpc->crpc_fini   = rpc_fini;
 541         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 542         LNetInvalidateHandle(&rpc->crpc_replymdh);
 543         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 544
 545         /* no event is expected at this point */
 546         rpc->crpc_bulkev.ev_fired  =
 547         rpc->crpc_reqstev.ev_fired =
 548         rpc->crpc_replyev.ev_fired = 1;
 549
 550         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 551         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 552         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 553         return;
 554 }
 555
 556 static inline const char *
 557 swi_state2str (int state)
 558 {
 559 #define STATE2STR(x) case x: return #x
 560         switch(state) {
 561                 default:
 562                         LBUG();
 563                 STATE2STR(SWI_STATE_NEWBORN);
 564                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 565                 STATE2STR(SWI_STATE_REPLY_SENT);
 566                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 567                 STATE2STR(SWI_STATE_REQUEST_SENT);
 568                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 569                 STATE2STR(SWI_STATE_BULK_STARTED);
 570                 STATE2STR(SWI_STATE_DONE);
 571         }
 572 #undef STATE2STR
 573 }
 574
 575 #define selftest_wait_events()                                  \
 576         do {                                                    \
 577                 set_current_state(TASK_UNINTERRUPTIBLE);        \
 578                 schedule_timeout(cfs_time_seconds(1) / 10);     \
 579         } while (0)
 580
 581
 582 #define lst_wait_until(cond, lock, fmt, ...)                            \
 583 do {                                                                    \
 584         int __I = 2;                                                    \
 585         while (!(cond)) {                                               \
 586                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 587                        fmt, ## __VA_ARGS__);                            \
 588                 spin_unlock(&(lock));                                   \
 589                                                                         \
 590                 selftest_wait_events();                                 \
 591                                                                         \
 592                 spin_lock(&(lock));                                     \
 593         }                                                               \
 594 } while (0)
 595
 596 static inline void
 597 srpc_wait_service_shutdown(srpc_service_t *sv)
 598 {
 599         int i = 2;
 600
 601         LASSERT(sv->sv_shuttingdown);
 602
 603         while (srpc_finish_service(sv) == 0) {
 604                 i++;
 605                 CDEBUG (((i & -i) == i) ? D_WARNING : D_NET,
 606                         "Waiting for %s service to shutdown...\n",
 607                         sv->sv_name);
 608                 selftest_wait_events();
 609         }
 610 }
 611
 612 extern sfw_test_client_ops_t brw_test_client;
 613 void brw_init_test_client(void);
 614
 615 extern srpc_service_t brw_test_service;
 616 void brw_init_test_service(void);
 617
 618 extern sfw_test_client_ops_t ping_test_client;
 619 void ping_init_test_client(void);
 620
 621 extern srpc_service_t ping_test_service;
 622 void ping_init_test_service(void);
 623
 624 #endif /* __SELFTEST_SELFTEST_H__ */