LXR linux/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 <linux/libcfs/libcfs.h>
  47#include <linux/lnet/lnet.h>
  48#include <linux/lnet/lib-lnet.h>
  49#include <linux/lnet/lib-types.h>
  50#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 */
  70struct srpc_service;
  71struct srpc_service_cd;
  72struct sfw_test_unit;
  73struct 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
  97static inline srpc_msg_type_t
  98srpc_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
 132static inline srpc_msg_type_t
 133srpc_service2reply (int service)
 134{
 135        return srpc_service2request(service) + 1;
 136}
 137
 138typedef 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 */
 149typedef 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
 157typedef 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 */
 166typedef 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
 174struct swi_workitem;
 175typedef int (*swi_action_t) (struct swi_workitem *);
 176
 177typedef 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 */
 185typedef 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 */
 204typedef 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)                                      \
 237offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 238
 239#define srpc_client_rpc_addref(rpc)                                  \
 240do {                                                                \
 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)                                  \
 249do {                                                                \
 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 */
 263struct 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
 309typedef 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
 325typedef 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        cfs_time_t      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
 343typedef 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
 352typedef struct {
 353        int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize 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
 362typedef 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
 396typedef 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
 405typedef 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
 411srpc_client_rpc_t *
 412sfw_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);
 415int 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);
 418void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 419void sfw_post_rpc(srpc_client_rpc_t *rpc);
 420void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 421void sfw_unpack_message(srpc_msg_t *msg);
 422void sfw_free_pages(srpc_server_rpc_t *rpc);
 423void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 424int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 425                    int sink);
 426int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 427
 428srpc_client_rpc_t *
 429srpc_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);
 433void srpc_post_rpc(srpc_client_rpc_t *rpc);
 434void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 435void srpc_free_bulk(srpc_bulk_t *bk);
 436srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 437                             int sink);
 438int srpc_send_rpc(swi_workitem_t *wi);
 439int srpc_send_reply(srpc_server_rpc_t *rpc);
 440int srpc_add_service(srpc_service_t *sv);
 441int srpc_remove_service(srpc_service_t *sv);
 442void srpc_shutdown_service(srpc_service_t *sv);
 443void srpc_abort_service(srpc_service_t *sv);
 444int srpc_finish_service(srpc_service_t *sv);
 445int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 446void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 447void srpc_get_counters(srpc_counters_t *cnt);
 448void srpc_set_counters(const srpc_counters_t *cnt);
 449
 450extern struct cfs_wi_sched *lst_sched_serial;
 451extern struct cfs_wi_sched **lst_sched_test;
 452
 453static inline int
 454srpc_serv_is_framework(struct srpc_service *svc)
 455{
 456        return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 457}
 458
 459static inline int
 460swi_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
 467static inline void
 468swi_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
 477static inline void
 478swi_schedule_workitem(swi_workitem_t *wi)
 479{
 480        cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 481}
 482
 483static inline void
 484swi_exit_workitem(swi_workitem_t *swi)
 485{
 486        cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 487}
 488
 489static inline int
 490swi_deschedule_workitem(swi_workitem_t *swi)
 491{
 492        return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 493}
 494
 495
 496int sfw_startup(void);
 497int srpc_startup(void);
 498void sfw_shutdown(void);
 499void srpc_shutdown(void);
 500
 501static inline void
 502srpc_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
 517static inline void
 518srpc_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
 556static inline const char *
 557swi_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 UNUSED(x)       ( (void)(x) )
 576
 577
 578#define selftest_wait_events()  cfs_pause(cfs_time_seconds(1) / 10)
 579
 580
 581#define lst_wait_until(cond, lock, fmt, ...)                            \
 582do {                                                                    \
 583        int __I = 2;                                                    \
 584        while (!(cond)) {                                               \
 585                CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 586                       fmt, ## __VA_ARGS__);                            \
 587                spin_unlock(&(lock));                                   \
 588                                                                        \
 589                selftest_wait_events();                                 \
 590                                                                        \
 591                spin_lock(&(lock));                                     \
 592        }                                                               \
 593} while (0)
 594
 595static inline void
 596srpc_wait_service_shutdown(srpc_service_t *sv)
 597{
 598        int i = 2;
 599
 600        LASSERT(sv->sv_shuttingdown);
 601
 602        while (srpc_finish_service(sv) == 0) {
 603                i++;
 604                CDEBUG (((i & -i) == i) ? D_WARNING : D_NET,
 605                        "Waiting for %s service to shutdown...\n",
 606                        sv->sv_name);
 607                selftest_wait_events();
 608        }
 609}
 610
 611#endif /* __SELFTEST_SELFTEST_H__ */
 612