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, 2013, 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 <libcfs/libcfs.h>
  47 #include <lnet/api.h>
  48 #include <lnet/lib-lnet.h>
  49 #include <lnet/lib-types.h>
  50 #include <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         /* # seconds to wait for reply */
 210         int                     crpc_timeout;
 211         stt_timer_t             crpc_timer;
 212         swi_workitem_t          crpc_wi;
 213         lnet_process_id_t       crpc_dest;
 214
 215         void               (*crpc_done)(struct srpc_client_rpc *);
 216         void               (*crpc_fini)(struct srpc_client_rpc *);
 217         int                  crpc_status;    /* completion status */
 218         void                *crpc_priv;      /* caller data */
 219
 220         /* state flags */
 221         unsigned int         crpc_aborted:1; /* being given up */
 222         unsigned int         crpc_closed:1;  /* completed */
 223
 224         /* RPC events */
 225         srpc_event_t         crpc_bulkev;    /* bulk event */
 226         srpc_event_t         crpc_reqstev;   /* request event */
 227         srpc_event_t         crpc_replyev;   /* reply event */
 228
 229         /* bulk, request(reqst), and reply exchanged on wire */
 230         srpc_msg_t           crpc_reqstmsg;
 231         srpc_msg_t           crpc_replymsg;
 232         lnet_handle_md_t     crpc_reqstmdh;
 233         lnet_handle_md_t     crpc_replymdh;
 234         srpc_bulk_t          crpc_bulk;
 235 } srpc_client_rpc_t;
 236
 237 #define srpc_client_rpc_size(rpc)                                       \
 238 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 239
 240 #define srpc_client_rpc_addref(rpc)                                     \
 241 do {                                                                    \
 242         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 243                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 244                atomic_read(&(rpc)->crpc_refcount));                 \
 245         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 246         atomic_inc(&(rpc)->crpc_refcount);                          \
 247 } while (0)
 248
 249 #define srpc_client_rpc_decref(rpc)                                     \
 250 do {                                                                    \
 251         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 252                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 253                atomic_read(&(rpc)->crpc_refcount));                 \
 254         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 255         if (atomic_dec_and_test(&(rpc)->crpc_refcount))             \
 256                 srpc_destroy_client_rpc(rpc);                           \
 257 } while (0)
 258
 259 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 260                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 261                                    (rpc)->crpc_replyev.ev_fired == 0)
 262
 263 /* CPU partition data of srpc service */
 264 struct srpc_service_cd {
 265         /** serialize */
 266         spinlock_t              scd_lock;
 267         /** backref to service */
 268         struct srpc_service     *scd_svc;
 269         /** event buffer */
 270         srpc_event_t            scd_ev;
 271         /** free RPC descriptors */
 272         struct list_head        scd_rpc_free;
 273         /** in-flight RPCs */
 274         struct list_head        scd_rpc_active;
 275         /** workitem for posting buffer */
 276         swi_workitem_t          scd_buf_wi;
 277         /** CPT id */
 278         int                     scd_cpt;
 279         /** error code for scd_buf_wi */
 280         int                     scd_buf_err;
 281         /** timestamp for scd_buf_err */
 282         unsigned long           scd_buf_err_stamp;
 283         /** total # request buffers */
 284         int                     scd_buf_total;
 285         /** # posted request buffers */
 286         int                     scd_buf_nposted;
 287         /** in progress of buffer posting */
 288         int                     scd_buf_posting;
 289         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 290         int                     scd_buf_low;
 291         /** increase/decrease some buffers */
 292         int                     scd_buf_adjust;
 293         /** posted message buffers */
 294         struct list_head        scd_buf_posted;
 295         /** blocked for RPC descriptor */
 296         struct list_head        scd_buf_blocked;
 297 };
 298
 299 /* number of server workitems (mini-thread) for testing service */
 300 #define SFW_TEST_WI_MIN         256
 301 #define SFW_TEST_WI_MAX         2048
 302 /* extra buffers for tolerating buggy peers, or unbalanced number
 303  * of peers between partitions  */
 304 #define SFW_TEST_WI_EXTRA       64
 305
 306 /* number of server workitems (mini-thread) for framework service */
 307 #define SFW_FRWK_WI_MIN         16
 308 #define SFW_FRWK_WI_MAX         256
 309
 310 typedef struct srpc_service {
 311         int                     sv_id;          /* service id */
 312         const char              *sv_name;       /* human readable name */
 313         int                     sv_wi_total;    /* total server workitems */
 314         int                     sv_shuttingdown;
 315         int                     sv_ncpts;
 316         /* percpt data for srpc_service */
 317         struct srpc_service_cd  **sv_cpt_data;
 318         /* Service callbacks:
 319          * - sv_handler: process incoming RPC request
 320          * - sv_bulk_ready: notify bulk data
 321          */
 322         int              (*sv_handler) (srpc_server_rpc_t *);
 323         int              (*sv_bulk_ready) (srpc_server_rpc_t *, int);
 324 } srpc_service_t;
 325
 326 typedef struct {
 327         /* chain on fw_zombie_sessions */
 328         struct list_head        sn_list;
 329         lst_sid_t               sn_id;          /* unique identifier */
 330         /* # seconds' inactivity to expire */
 331         unsigned int            sn_timeout;
 332         int                     sn_timer_active;
 333         unsigned int            sn_features;
 334         stt_timer_t             sn_timer;
 335         struct list_head        sn_batches;     /* list of batches */
 336         char                    sn_name[LST_NAME_SIZE];
 337         atomic_t                sn_refcount;
 338         atomic_t                sn_brw_errors;
 339         atomic_t                sn_ping_errors;
 340         cfs_time_t              sn_started;
 341 } sfw_session_t;
 342
 343 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 344                                        (sid0).ses_stamp == (sid1).ses_stamp)
 345
 346 typedef struct {
 347         struct list_head        bat_list;       /* chain on sn_batches */
 348         lst_bid_t               bat_id;         /* batch id */
 349         int                     bat_error;      /* error code of batch */
 350         sfw_session_t           *bat_session;   /* batch's session */
 351         atomic_t                bat_nactive;    /* # of active tests */
 352         struct list_head        bat_tests;      /* test instances */
 353 } sfw_batch_t;
 354
 355 typedef struct {
 356         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
 357         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 358         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 359                              lnet_process_id_t dest,
 360                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 361         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 362                              srpc_client_rpc_t *rpc);    /* done a test rpc */
 363 } sfw_test_client_ops_t;
 364
 365 typedef struct sfw_test_instance {
 366         struct list_head        tsi_list;       /* chain on batch */
 367         int                     tsi_service;    /* test type */
 368         sfw_batch_t             *tsi_batch;     /* batch */
 369         sfw_test_client_ops_t   *tsi_ops;       /* test client operations */
 370
 371         /* public parameter for all test units */
 372         unsigned int            tsi_is_client:1;     /* is test client */
 373         unsigned int            tsi_stoptsu_onerr:1; /* stop tsu on error */
 374         int                     tsi_concur;          /* concurrency */
 375         int                     tsi_loop;            /* loop count */
 376
 377         /* status of test instance */
 378         spinlock_t              tsi_lock;       /* serialize */
 379         unsigned int            tsi_stopping:1; /* test is stopping */
 380         atomic_t                tsi_nactive;    /* # of active test unit */
 381         struct list_head        tsi_units;      /* test units */
 382         struct list_head        tsi_free_rpcs;  /* free rpcs */
 383         struct list_head        tsi_active_rpcs;/* active rpcs */
 384
 385         union {
 386                 test_ping_req_t         ping;     /* ping parameter */
 387                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
 388                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
 389         } tsi_u;
 390 } sfw_test_instance_t;
 391
 392 /* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
 393  * the end of pages are not used */
 394 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 395 #define SFW_ID_PER_PAGE    (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t))
 396 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 397 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 398
 399 typedef struct sfw_test_unit {
 400         struct list_head        tsu_list;       /* chain on lst_test_instance */
 401         lnet_process_id_t       tsu_dest;       /* id of dest node */
 402         int                     tsu_loop;       /* loop count of the test */
 403         sfw_test_instance_t     *tsu_instance;  /* pointer to test instance */
 404         void                    *tsu_private;   /* private data */
 405         swi_workitem_t          tsu_worker;     /* workitem of the test unit */
 406 } sfw_test_unit_t;
 407
 408 typedef struct sfw_test_case {
 409         struct list_head        tsc_list;               /* chain on fw_tests */
 410         srpc_service_t          *tsc_srv_service;       /* test service */
 411         sfw_test_client_ops_t   *tsc_cli_ops;           /* ops of test client */
 412 } sfw_test_case_t;
 413
 414 srpc_client_rpc_t *
 415 sfw_create_rpc(lnet_process_id_t peer, int service,
 416                unsigned features, int nbulkiov, int bulklen,
 417                void (*done) (srpc_client_rpc_t *), void *priv);
 418 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 419                         lnet_process_id_t peer, unsigned features,
 420                         int nblk, int blklen, srpc_client_rpc_t **rpc);
 421 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 422 void sfw_post_rpc(srpc_client_rpc_t *rpc);
 423 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 424 void sfw_unpack_message(srpc_msg_t *msg);
 425 void sfw_free_pages(srpc_server_rpc_t *rpc);
 426 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 427 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 428                     int sink);
 429 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 430
 431 srpc_client_rpc_t *
 432 srpc_create_client_rpc(lnet_process_id_t peer, int service,
 433                        int nbulkiov, int bulklen,
 434                        void (*rpc_done)(srpc_client_rpc_t *),
 435                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 436 void srpc_post_rpc(srpc_client_rpc_t *rpc);
 437 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 438 void srpc_free_bulk(srpc_bulk_t *bk);
 439 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 440                              int sink);
 441 int srpc_send_rpc(swi_workitem_t *wi);
 442 int srpc_send_reply(srpc_server_rpc_t *rpc);
 443 int srpc_add_service(srpc_service_t *sv);
 444 int srpc_remove_service(srpc_service_t *sv);
 445 void srpc_shutdown_service(srpc_service_t *sv);
 446 void srpc_abort_service(srpc_service_t *sv);
 447 int srpc_finish_service(srpc_service_t *sv);
 448 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 449 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 450 void srpc_get_counters(srpc_counters_t *cnt);
 451 void srpc_set_counters(const srpc_counters_t *cnt);
 452
 453 extern struct cfs_wi_sched *lst_sched_serial;
 454 extern struct cfs_wi_sched **lst_sched_test;
 455
 456 static inline int
 457 srpc_serv_is_framework(struct srpc_service *svc)
 458 {
 459         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 460 }
 461
 462 static inline int
 463 swi_wi_action(cfs_workitem_t *wi)
 464 {
 465         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 466
 467         return swi->swi_action(swi);
 468 }
 469
 470 static inline void
 471 swi_init_workitem(swi_workitem_t *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(swi_workitem_t *wi)
 482 {
 483         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 484 }
 485
 486 static inline void
 487 swi_exit_workitem(swi_workitem_t *swi)
 488 {
 489         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 490 }
 491
 492 static inline int
 493 swi_deschedule_workitem(swi_workitem_t *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 (srpc_client_rpc_t *rpc)
 505 {
 506         LASSERT (rpc != NULL);
 507         LASSERT (!srpc_event_pending(rpc));
 508         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
 509
 510         if (rpc->crpc_fini == NULL) {
 511                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 512         } else {
 513                 (*rpc->crpc_fini) (rpc);
 514         }
 515
 516         return;
 517 }
 518
 519 static inline void
 520 srpc_init_client_rpc(srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 521                      int service, int nbulkiov, int bulklen,
 522                      void (*rpc_done)(srpc_client_rpc_t *),
 523                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 524 {
 525         LASSERT(nbulkiov <= LNET_MAX_IOV);
 526
 527         memset(rpc, 0, offsetof(srpc_client_rpc_t,
 528                                 crpc_bulk.bk_iovs[nbulkiov]));
 529
 530         INIT_LIST_HEAD(&rpc->crpc_list);
 531         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 532                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 533         spin_lock_init(&rpc->crpc_lock);
 534         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 535
 536         rpc->crpc_dest         = peer;
 537         rpc->crpc_priv         = priv;
 538         rpc->crpc_service      = service;
 539         rpc->crpc_bulk.bk_len  = bulklen;
 540         rpc->crpc_bulk.bk_niov = nbulkiov;
 541         rpc->crpc_done         = rpc_done;
 542         rpc->crpc_fini         = rpc_fini;
 543         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 544         LNetInvalidateHandle(&rpc->crpc_replymdh);
 545         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 546
 547         /* no event is expected at this point */
 548         rpc->crpc_bulkev.ev_fired  =
 549         rpc->crpc_reqstev.ev_fired =
 550         rpc->crpc_replyev.ev_fired = 1;
 551
 552         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 553         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 554         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 555         return;
 556 }
 557
 558 static inline const char *
 559 swi_state2str (int state)
 560 {
 561 #define STATE2STR(x) case x: return #x
 562         switch(state) {
 563                 default:
 564                         LBUG();
 565                 STATE2STR(SWI_STATE_NEWBORN);
 566                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 567                 STATE2STR(SWI_STATE_REPLY_SENT);
 568                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 569                 STATE2STR(SWI_STATE_REQUEST_SENT);
 570                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 571                 STATE2STR(SWI_STATE_BULK_STARTED);
 572                 STATE2STR(SWI_STATE_DONE);
 573         }
 574 #undef STATE2STR
 575 }
 576
 577 #define lst_wait_until(cond, lock, fmt, ...)                            \
 578 do {                                                                    \
 579         int __I = 2;                                                    \
 580         while (!(cond)) {                                               \
 581                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 582                        fmt, ## __VA_ARGS__);                            \
 583                 spin_unlock(&(lock));                                   \
 584                                                                         \
 585                 set_current_state(TASK_UNINTERRUPTIBLE);                \
 586                 schedule_timeout(cfs_time_seconds(1) / 10);             \
 587                                                                         \
 588                 spin_lock(&(lock));                                     \
 589         }                                                               \
 590 } while (0)
 591
 592 static inline void
 593 srpc_wait_service_shutdown(srpc_service_t *sv)
 594 {
 595         int i = 2;
 596
 597         LASSERT(sv->sv_shuttingdown);
 598
 599         while (srpc_finish_service(sv) == 0) {
 600                 i++;
 601                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 602                        "Waiting for %s service to shutdown...\n",
 603                        sv->sv_name);
 604                 set_current_state(TASK_UNINTERRUPTIBLE);
 605                 schedule_timeout(cfs_time_seconds(1) / 10);
 606         }
 607 }
 608
 609 extern sfw_test_client_ops_t ping_test_client;
 610 extern srpc_service_t        ping_test_service;
 611 void ping_init_test_client(void);
 612 void ping_init_test_service(void);
 613
 614 extern sfw_test_client_ops_t brw_test_client;
 615 extern srpc_service_t        brw_test_service;
 616 void brw_init_test_client(void);
 617 void brw_init_test_service(void);
 618
 619 #endif /* __SELFTEST_SELFTEST_H__ */