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 /*
  32  * This file is part of Lustre, http://www.lustre.org/
  33  * Lustre is a trademark of Sun Microsystems, Inc.
  34  *
  35  * lnet/selftest/selftest.h
  36  *
  37  * Author: Isaac Huang <isaac@clusterfs.com>
  38  */
  39 #ifndef __SELFTEST_SELFTEST_H__
  40 #define __SELFTEST_SELFTEST_H__
  41
  42 #define LNET_ONLY
  43
  44 #ifndef __KERNEL__
  45
  46 /* XXX workaround XXX */
  47 #ifdef HAVE_SYS_TYPES_H
  48 #include <sys/types.h>
  49 #endif
  50
  51 #endif
  52 #include <libcfs/libcfs.h>
  53 #include <lnet/lnet.h>
  54 #include <lnet/lib-lnet.h>
  55 #include <lnet/lib-types.h>
  56 #include <lnet/lnetst.h>
  57
  58 #include "rpc.h"
  59 #include "timer.h"
  60
  61 #ifndef MADE_WITHOUT_COMPROMISE
  62 #define MADE_WITHOUT_COMPROMISE
  63 #endif
  64
  65
  66 #define SWI_STATE_NEWBORN                  0
  67 #define SWI_STATE_REPLY_SUBMITTED          1
  68 #define SWI_STATE_REPLY_SENT               2
  69 #define SWI_STATE_REQUEST_SUBMITTED        3
  70 #define SWI_STATE_REQUEST_SENT             4
  71 #define SWI_STATE_REPLY_RECEIVED           5
  72 #define SWI_STATE_BULK_STARTED             6
  73 #define SWI_STATE_DONE                     10
  74
  75 /* forward refs */
  76 struct srpc_service;
  77 struct srpc_service_cd;
  78 struct sfw_test_unit;
  79 struct sfw_test_instance;
  80
  81 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  82  * services, e.g. create/modify session.
  83  */
  84 #define SRPC_SERVICE_DEBUG              0
  85 #define SRPC_SERVICE_MAKE_SESSION       1
  86 #define SRPC_SERVICE_REMOVE_SESSION     2
  87 #define SRPC_SERVICE_BATCH              3
  88 #define SRPC_SERVICE_TEST               4
  89 #define SRPC_SERVICE_QUERY_STAT         5
  90 #define SRPC_SERVICE_JOIN               6
  91 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  92 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  93 #define SRPC_SERVICE_BRW                11
  94 #define SRPC_SERVICE_PING               12
  95 #define SRPC_SERVICE_MAX_ID             12
  96
  97 #define SRPC_REQUEST_PORTAL             50
  98 /* a lazy portal for framework RPC requests */
  99 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
 100 /* all reply/bulk RDMAs go to this portal */
 101 #define SRPC_RDMA_PORTAL                52
 102
 103 static inline srpc_msg_type_t
 104 srpc_service2request (int service)
 105 {
 106         switch (service) {
 107         default:
 108                 LBUG ();
 109         case SRPC_SERVICE_DEBUG:
 110                 return SRPC_MSG_DEBUG_REQST;
 111
 112         case SRPC_SERVICE_MAKE_SESSION:
 113                 return SRPC_MSG_MKSN_REQST;
 114
 115         case SRPC_SERVICE_REMOVE_SESSION:
 116                 return SRPC_MSG_RMSN_REQST;
 117
 118         case SRPC_SERVICE_BATCH:
 119                 return SRPC_MSG_BATCH_REQST;
 120
 121         case SRPC_SERVICE_TEST:
 122                 return SRPC_MSG_TEST_REQST;
 123
 124         case SRPC_SERVICE_QUERY_STAT:
 125                 return SRPC_MSG_STAT_REQST;
 126
 127         case SRPC_SERVICE_BRW:
 128                 return SRPC_MSG_BRW_REQST;
 129
 130         case SRPC_SERVICE_PING:
 131                 return SRPC_MSG_PING_REQST;
 132
 133         case SRPC_SERVICE_JOIN:
 134                 return SRPC_MSG_JOIN_REQST;
 135         }
 136 }
 137
 138 static inline srpc_msg_type_t
 139 srpc_service2reply (int service)
 140 {
 141         return srpc_service2request(service) + 1;
 142 }
 143
 144 typedef enum {
 145         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) received */
 146         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 147         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 148         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 149         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 150         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 151         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 152 } srpc_event_type_t;
 153
 154 /* RPC event */
 155 typedef struct {
 156         srpc_event_type_t ev_type;   /* what's up */
 157         lnet_event_kind_t ev_lnet;   /* LNet event type */
 158         int               ev_fired;  /* LNet event fired? */
 159         int               ev_status; /* LNet event status */
 160         void             *ev_data;   /* owning server/client RPC */
 161 } srpc_event_t;
 162
 163 typedef struct {
 164         int              bk_len;  /* len of bulk data */
 165         lnet_handle_md_t bk_mdh;
 166         int              bk_sink; /* sink/source */
 167         int              bk_niov; /* # iov in bk_iovs */
 168 #ifdef __KERNEL__
 169         lnet_kiov_t      bk_iovs[0];
 170 #else
 171         cfs_page_t     **bk_pages;
 172         lnet_md_iovec_t  bk_iovs[0];
 173 #endif
 174 } srpc_bulk_t; /* bulk descriptor */
 175
 176 /* message buffer descriptor */
 177 typedef struct srpc_buffer {
 178         cfs_list_t           buf_list; /* chain on srpc_service::*_msgq */
 179         srpc_msg_t           buf_msg;
 180         lnet_handle_md_t     buf_mdh;
 181         lnet_nid_t           buf_self;
 182         lnet_process_id_t    buf_peer;
 183 } srpc_buffer_t;
 184
 185 struct swi_workitem;
 186 typedef int (*swi_action_t) (struct swi_workitem *);
 187
 188 typedef struct swi_workitem {
 189         struct cfs_wi_sched     *swi_sched;
 190         cfs_workitem_t       swi_workitem;
 191         swi_action_t         swi_action;
 192         int                  swi_state;
 193 } swi_workitem_t;
 194
 195 /* server-side state of a RPC */
 196 typedef struct srpc_server_rpc {
 197         /* chain on srpc_service::*_rpcq */
 198         cfs_list_t              srpc_list;
 199         struct srpc_service_cd *srpc_scd;
 200         swi_workitem_t       srpc_wi;
 201         srpc_event_t         srpc_ev;      /* bulk/reply event */
 202         lnet_nid_t           srpc_self;
 203         lnet_process_id_t    srpc_peer;
 204         srpc_msg_t           srpc_replymsg;
 205         lnet_handle_md_t     srpc_replymdh;
 206         srpc_buffer_t       *srpc_reqstbuf;
 207         srpc_bulk_t         *srpc_bulk;
 208
 209         unsigned int         srpc_aborted; /* being given up */
 210         int                  srpc_status;
 211         void               (*srpc_done)(struct srpc_server_rpc *);
 212 } srpc_server_rpc_t;
 213
 214 /* client-side state of a RPC */
 215 typedef struct srpc_client_rpc {
 216         cfs_list_t              crpc_list;      /* chain on user's lists */
 217         spinlock_t              crpc_lock;      /* serialize */
 218         int                  crpc_service;
 219         cfs_atomic_t         crpc_refcount;
 220         int                  crpc_timeout; /* # seconds to wait for reply */
 221         stt_timer_t          crpc_timer;
 222         swi_workitem_t       crpc_wi;
 223         lnet_process_id_t    crpc_dest;
 224
 225         void               (*crpc_done)(struct srpc_client_rpc *);
 226         void               (*crpc_fini)(struct srpc_client_rpc *);
 227         int                  crpc_status;    /* completion status */
 228         void                *crpc_priv;      /* caller data */
 229
 230         /* state flags */
 231         unsigned int         crpc_aborted:1; /* being given up */
 232         unsigned int         crpc_closed:1;  /* completed */
 233
 234         /* RPC events */
 235         srpc_event_t         crpc_bulkev;    /* bulk event */
 236         srpc_event_t         crpc_reqstev;   /* request event */
 237         srpc_event_t         crpc_replyev;   /* reply event */
 238
 239         /* bulk, request(reqst), and reply exchanged on wire */
 240         srpc_msg_t           crpc_reqstmsg;
 241         srpc_msg_t           crpc_replymsg;
 242         lnet_handle_md_t     crpc_reqstmdh;
 243         lnet_handle_md_t     crpc_replymdh;
 244         srpc_bulk_t          crpc_bulk;
 245 } srpc_client_rpc_t;
 246
 247 #define srpc_client_rpc_size(rpc)                                       \
 248 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 249
 250 #define srpc_client_rpc_addref(rpc)                                     \
 251 do {                                                                    \
 252         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 253                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 254                cfs_atomic_read(&(rpc)->crpc_refcount));                 \
 255         LASSERT(cfs_atomic_read(&(rpc)->crpc_refcount) > 0);            \
 256         cfs_atomic_inc(&(rpc)->crpc_refcount);                          \
 257 } while (0)
 258
 259 #define srpc_client_rpc_decref(rpc)                                     \
 260 do {                                                                    \
 261         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 262                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 263                cfs_atomic_read(&(rpc)->crpc_refcount));                 \
 264         LASSERT(cfs_atomic_read(&(rpc)->crpc_refcount) > 0);            \
 265         if (cfs_atomic_dec_and_test(&(rpc)->crpc_refcount))             \
 266                 srpc_destroy_client_rpc(rpc);                           \
 267 } while (0)
 268
 269 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 270                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 271                                    (rpc)->crpc_replyev.ev_fired == 0)
 272
 273 /* CPU partition data of srpc service */
 274 struct srpc_service_cd {
 275         /** serialize */
 276         spinlock_t              scd_lock;
 277         /** backref to service */
 278         struct srpc_service     *scd_svc;
 279         /** event buffer */
 280         srpc_event_t            scd_ev;
 281         /** free RPC descriptors */
 282         cfs_list_t              scd_rpc_free;
 283         /** in-flight RPCs */
 284         cfs_list_t              scd_rpc_active;
 285         /** workitem for posting buffer */
 286         swi_workitem_t          scd_buf_wi;
 287         /** CPT id */
 288         int                     scd_cpt;
 289         /** error code for scd_buf_wi */
 290         int                     scd_buf_err;
 291         /** timestamp for scd_buf_err */
 292         unsigned long           scd_buf_err_stamp;
 293         /** total # request buffers */
 294         int                     scd_buf_total;
 295         /** # posted request buffers */
 296         int                     scd_buf_nposted;
 297         /** in progress of buffer posting */
 298         int                     scd_buf_posting;
 299         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 300         int                     scd_buf_low;
 301         /** increase/decrease some buffers */
 302         int                     scd_buf_adjust;
 303         /** posted message buffers */
 304         cfs_list_t              scd_buf_posted;
 305         /** blocked for RPC descriptor */
 306         cfs_list_t              scd_buf_blocked;
 307 };
 308
 309 /* number of server workitems (mini-thread) for testing service */
 310 #define SFW_TEST_WI_MIN         256
 311 #define SFW_TEST_WI_MAX         2048
 312 /* extra buffers for tolerating buggy peers, or unbalanced number
 313  * of peers between partitions  */
 314 #define SFW_TEST_WI_EXTRA       64
 315
 316 /* number of server workitems (mini-thread) for framework service */
 317 #define SFW_FRWK_WI_MIN         16
 318 #define SFW_FRWK_WI_MAX         256
 319
 320 typedef struct srpc_service {
 321         int                     sv_id;          /* service id */
 322         const char              *sv_name;       /* human readable name */
 323         int                     sv_wi_total;    /* total server workitems */
 324         int                     sv_shuttingdown;
 325         int                     sv_ncpts;
 326         /* percpt data for srpc_service */
 327         struct srpc_service_cd  **sv_cpt_data;
 328         /* Service callbacks:
 329          * - sv_handler: process incoming RPC request
 330          * - sv_bulk_ready: notify bulk data
 331          */
 332         int              (*sv_handler) (srpc_server_rpc_t *);
 333         int              (*sv_bulk_ready) (srpc_server_rpc_t *, int);
 334 } srpc_service_t;
 335
 336 typedef struct {
 337         cfs_list_t        sn_list;    /* chain on fw_zombie_sessions */
 338         lst_sid_t         sn_id;      /* unique identifier */
 339         unsigned int      sn_timeout; /* # seconds' inactivity to expire */
 340         int               sn_timer_active;
 341         unsigned int      sn_features;
 342         stt_timer_t       sn_timer;
 343         cfs_list_t        sn_batches; /* list of batches */
 344         char              sn_name[LST_NAME_SIZE];
 345         cfs_atomic_t      sn_refcount;
 346         cfs_atomic_t      sn_brw_errors;
 347         cfs_atomic_t      sn_ping_errors;
 348         cfs_time_t        sn_started;
 349 } sfw_session_t;
 350
 351 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 352                                        (sid0).ses_stamp == (sid1).ses_stamp)
 353
 354 typedef struct {
 355         cfs_list_t        bat_list;      /* chain on sn_batches */
 356         lst_bid_t         bat_id;        /* batch id */
 357         int               bat_error;     /* error code of batch */
 358         sfw_session_t    *bat_session;   /* batch's session */
 359         cfs_atomic_t      bat_nactive;   /* # of active tests */
 360         cfs_list_t        bat_tests;     /* test instances */
 361 } sfw_batch_t;
 362
 363 typedef struct {
 364         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
 365         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 366         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 367                              lnet_process_id_t dest,
 368                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 369         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 370                              srpc_client_rpc_t *rpc);    /* done a test rpc */
 371 } sfw_test_client_ops_t;
 372
 373 typedef struct sfw_test_instance {
 374         cfs_list_t              tsi_list;         /* chain on batch */
 375         int                     tsi_service;      /* test type */
 376         sfw_batch_t            *tsi_batch;        /* batch */
 377         sfw_test_client_ops_t  *tsi_ops;          /* test client operations */
 378
 379         /* public parameter for all test units */
 380         int                     tsi_is_client:1;     /* is test client */
 381         int                     tsi_stoptsu_onerr:1; /* stop tsu on error */
 382         int                     tsi_concur;          /* concurrency */
 383         int                     tsi_loop;            /* loop count */
 384
 385         /* status of test instance */
 386         spinlock_t              tsi_lock;         /* serialize */
 387         int                     tsi_stopping:1;   /* test is stopping */
 388         cfs_atomic_t            tsi_nactive;      /* # of active test unit */
 389         cfs_list_t              tsi_units;        /* test units */
 390         cfs_list_t              tsi_free_rpcs;    /* free rpcs */
 391         cfs_list_t              tsi_active_rpcs;  /* active rpcs */
 392
 393         union {
 394                 test_ping_req_t         ping;     /* ping parameter */
 395                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
 396                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
 397         } tsi_u;
 398 } sfw_test_instance_t;
 399
 400 /* XXX: trailing (CFS_PAGE_SIZE % sizeof(lnet_process_id_t)) bytes at
 401  * the end of pages are not used */
 402 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 403 #define SFW_ID_PER_PAGE    (CFS_PAGE_SIZE / sizeof(lnet_process_id_packed_t))
 404 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 405 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 406
 407 typedef struct sfw_test_unit {
 408         cfs_list_t            tsu_list;         /* chain on lst_test_instance */
 409         lnet_process_id_t     tsu_dest;         /* id of dest node */
 410         int                   tsu_loop;         /* loop count of the test */
 411         sfw_test_instance_t  *tsu_instance;     /* pointer to test instance */
 412         void                 *tsu_private;      /* private data */
 413         swi_workitem_t        tsu_worker;       /* workitem of the test unit */
 414 } sfw_test_unit_t;
 415
 416 typedef struct sfw_test_case {
 417         cfs_list_t              tsc_list;         /* chain on fw_tests */
 418         srpc_service_t         *tsc_srv_service;  /* test service */
 419         sfw_test_client_ops_t  *tsc_cli_ops;      /* ops of test client */
 420 } sfw_test_case_t;
 421
 422 srpc_client_rpc_t *
 423 sfw_create_rpc(lnet_process_id_t peer, int service,
 424                unsigned features, int nbulkiov, int bulklen,
 425                void (*done) (srpc_client_rpc_t *), void *priv);
 426 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 427                         lnet_process_id_t peer, unsigned features,
 428                         int nblk, int blklen, srpc_client_rpc_t **rpc);
 429 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 430 void sfw_post_rpc(srpc_client_rpc_t *rpc);
 431 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 432 void sfw_unpack_message(srpc_msg_t *msg);
 433 void sfw_free_pages(srpc_server_rpc_t *rpc);
 434 void sfw_add_bulk_page(srpc_bulk_t *bk, cfs_page_t *pg, int i);
 435 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 436                     int sink);
 437 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 438
 439 srpc_client_rpc_t *
 440 srpc_create_client_rpc(lnet_process_id_t peer, int service,
 441                        int nbulkiov, int bulklen,
 442                        void (*rpc_done)(srpc_client_rpc_t *),
 443                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 444 void srpc_post_rpc(srpc_client_rpc_t *rpc);
 445 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 446 void srpc_free_bulk(srpc_bulk_t *bk);
 447 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 448                              int sink);
 449 int srpc_send_rpc(swi_workitem_t *wi);
 450 int srpc_send_reply(srpc_server_rpc_t *rpc);
 451 int srpc_add_service(srpc_service_t *sv);
 452 int srpc_remove_service(srpc_service_t *sv);
 453 void srpc_shutdown_service(srpc_service_t *sv);
 454 void srpc_abort_service(srpc_service_t *sv);
 455 int srpc_finish_service(srpc_service_t *sv);
 456 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 457 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 458 void srpc_get_counters(srpc_counters_t *cnt);
 459 void srpc_set_counters(const srpc_counters_t *cnt);
 460
 461 extern struct cfs_wi_sched *lst_sched_serial;
 462 extern struct cfs_wi_sched **lst_sched_test;
 463
 464 static inline int
 465 srpc_serv_is_framework(struct srpc_service *svc)
 466 {
 467         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 468 }
 469
 470 static inline int
 471 swi_wi_action(cfs_workitem_t *wi)
 472 {
 473         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 474
 475         return swi->swi_action(swi);
 476 }
 477
 478 static inline void
 479 swi_init_workitem(swi_workitem_t *swi, void *data,
 480                   swi_action_t action, struct cfs_wi_sched *sched)
 481 {
 482         swi->swi_sched  = sched;
 483         swi->swi_action = action;
 484         swi->swi_state  = SWI_STATE_NEWBORN;
 485         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 486 }
 487
 488 static inline void
 489 swi_schedule_workitem(swi_workitem_t *wi)
 490 {
 491         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 492 }
 493
 494 static inline void
 495 swi_exit_workitem(swi_workitem_t *swi)
 496 {
 497         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 498 }
 499
 500 static inline int
 501 swi_deschedule_workitem(swi_workitem_t *swi)
 502 {
 503         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 504 }
 505
 506 #ifndef __KERNEL__
 507 static inline int
 508 swi_check_events(void)
 509 {
 510         return cfs_wi_check_events();
 511 }
 512 #endif
 513
 514 int sfw_startup(void);
 515 int srpc_startup(void);
 516 void sfw_shutdown(void);
 517 void srpc_shutdown(void);
 518
 519 static inline void
 520 srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
 521 {
 522         LASSERT (rpc != NULL);
 523         LASSERT (!srpc_event_pending(rpc));
 524         LASSERT (cfs_atomic_read(&rpc->crpc_refcount) == 0);
 525 #ifndef __KERNEL__
 526         LASSERT (rpc->crpc_bulk.bk_pages == NULL);
 527 #endif
 528
 529         if (rpc->crpc_fini == NULL) {
 530                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 531         } else {
 532                 (*rpc->crpc_fini) (rpc);
 533         }
 534
 535         return;
 536 }
 537
 538 static inline void
 539 srpc_init_client_rpc (srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 540                       int service, int nbulkiov, int bulklen,
 541                       void (*rpc_done)(srpc_client_rpc_t *),
 542                       void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 543 {
 544         LASSERT (nbulkiov <= LNET_MAX_IOV);
 545
 546         memset(rpc, 0, offsetof(srpc_client_rpc_t,
 547                                 crpc_bulk.bk_iovs[nbulkiov]));
 548
 549         CFS_INIT_LIST_HEAD(&rpc->crpc_list);
 550         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 551                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 552         spin_lock_init(&rpc->crpc_lock);
 553         cfs_atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 554
 555         rpc->crpc_dest         = peer;
 556         rpc->crpc_priv         = priv;
 557         rpc->crpc_service      = service;
 558         rpc->crpc_bulk.bk_len  = bulklen;
 559         rpc->crpc_bulk.bk_niov = nbulkiov;
 560         rpc->crpc_done         = rpc_done;
 561         rpc->crpc_fini         = rpc_fini;
 562         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 563         LNetInvalidateHandle(&rpc->crpc_replymdh);
 564         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 565
 566         /* no event is expected at this point */
 567         rpc->crpc_bulkev.ev_fired  =
 568         rpc->crpc_reqstev.ev_fired =
 569         rpc->crpc_replyev.ev_fired = 1;
 570
 571         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 572         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 573         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 574         return;
 575 }
 576
 577 static inline const char *
 578 swi_state2str (int state)
 579 {
 580 #define STATE2STR(x) case x: return #x
 581         switch(state) {
 582                 default:
 583                         LBUG();
 584                 STATE2STR(SWI_STATE_NEWBORN);
 585                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 586                 STATE2STR(SWI_STATE_REPLY_SENT);
 587                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 588                 STATE2STR(SWI_STATE_REQUEST_SENT);
 589                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 590                 STATE2STR(SWI_STATE_BULK_STARTED);
 591                 STATE2STR(SWI_STATE_DONE);
 592         }
 593 #undef STATE2STR
 594 }
 595
 596 #define UNUSED(x)       ( (void)(x) )
 597
 598 #ifndef __KERNEL__
 599
 600 int stt_poll_interval(void);
 601 int sfw_session_removed(void);
 602
 603 int stt_check_events(void);
 604 int srpc_check_event(int timeout);
 605
 606 int lnet_selftest_init(void);
 607 void lnet_selftest_fini(void);
 608 int selftest_wait_events(void);
 609
 610 #else
 611
 612 #define selftest_wait_events()  cfs_pause(cfs_time_seconds(1) / 10)
 613
 614 #endif
 615
 616 #define lst_wait_until(cond, lock, fmt, ...)                            \
 617 do {                                                                    \
 618         int __I = 2;                                                    \
 619         while (!(cond)) {                                               \
 620                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 621                        fmt, ## __VA_ARGS__);                            \
 622                 spin_unlock(&(lock));                                   \
 623                                                                         \
 624                 selftest_wait_events();                                 \
 625                                                                         \
 626                 spin_lock(&(lock));                                     \
 627         }                                                               \
 628 } while (0)
 629
 630 static inline void
 631 srpc_wait_service_shutdown(srpc_service_t *sv)
 632 {
 633         int i = 2;
 634
 635         LASSERT(sv->sv_shuttingdown);
 636
 637         while (srpc_finish_service(sv) == 0) {
 638                 i++;
 639                 CDEBUG (((i & -i) == i) ? D_WARNING : D_NET,
 640                         "Waiting for %s service to shutdown...\n",
 641                         sv->sv_name);
 642                 selftest_wait_events();
 643         }
 644 }
 645
 646 #endif /* __SELFTEST_SELFTEST_H__ */