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 "../../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#define SWI_STATE_NEWBORN               0
  60#define SWI_STATE_REPLY_SUBMITTED       1
  61#define SWI_STATE_REPLY_SENT            2
  62#define SWI_STATE_REQUEST_SUBMITTED     3
  63#define SWI_STATE_REQUEST_SENT          4
  64#define SWI_STATE_REPLY_RECEIVED        5
  65#define SWI_STATE_BULK_STARTED          6
  66#define SWI_STATE_DONE                  10
  67
  68/* forward refs */
  69struct srpc_service;
  70struct srpc_service_cd;
  71struct sfw_test_unit;
  72struct sfw_test_instance;
  73
  74/* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  75 * services, e.g. create/modify session.
  76 */
  77#define SRPC_SERVICE_DEBUG              0
  78#define SRPC_SERVICE_MAKE_SESSION       1
  79#define SRPC_SERVICE_REMOVE_SESSION     2
  80#define SRPC_SERVICE_BATCH              3
  81#define SRPC_SERVICE_TEST               4
  82#define SRPC_SERVICE_QUERY_STAT         5
  83#define SRPC_SERVICE_JOIN               6
  84#define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  85/* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  86#define SRPC_SERVICE_BRW                11
  87#define SRPC_SERVICE_PING               12
  88#define SRPC_SERVICE_MAX_ID             12
  89
  90#define SRPC_REQUEST_PORTAL             50
  91/* a lazy portal for framework RPC requests */
  92#define SRPC_FRAMEWORK_REQUEST_PORTAL   51
  93/* all reply/bulk RDMAs go to this portal */
  94#define SRPC_RDMA_PORTAL                52
  95
  96static inline srpc_msg_type_t
  97srpc_service2request(int service)
  98{
  99        switch (service) {
 100        default:
 101                LBUG();
 102        case SRPC_SERVICE_DEBUG:
 103                return SRPC_MSG_DEBUG_REQST;
 104
 105        case SRPC_SERVICE_MAKE_SESSION:
 106                return SRPC_MSG_MKSN_REQST;
 107
 108        case SRPC_SERVICE_REMOVE_SESSION:
 109                return SRPC_MSG_RMSN_REQST;
 110
 111        case SRPC_SERVICE_BATCH:
 112                return SRPC_MSG_BATCH_REQST;
 113
 114        case SRPC_SERVICE_TEST:
 115                return SRPC_MSG_TEST_REQST;
 116
 117        case SRPC_SERVICE_QUERY_STAT:
 118                return SRPC_MSG_STAT_REQST;
 119
 120        case SRPC_SERVICE_BRW:
 121                return SRPC_MSG_BRW_REQST;
 122
 123        case SRPC_SERVICE_PING:
 124                return SRPC_MSG_PING_REQST;
 125
 126        case SRPC_SERVICE_JOIN:
 127                return SRPC_MSG_JOIN_REQST;
 128        }
 129}
 130
 131static inline srpc_msg_type_t
 132srpc_service2reply(int service)
 133{
 134        return srpc_service2request(service) + 1;
 135}
 136
 137typedef enum {
 138        SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source)
 139                                   * 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 */
 185struct 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};
 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        struct stt_timer       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 ||      \
 259                                   !(rpc)->crpc_reqstev.ev_fired ||     \
 260                                   !(rpc)->crpc_replyev.ev_fired)
 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        time64_t                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)(struct srpc_server_rpc *);
 322        int (*sv_bulk_ready)(struct srpc_server_rpc *, 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        struct stt_timer      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
 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); /* initialize test
 354                                                          * client */
 355        void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test
 356                                                          * client */
 357        int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 358                             lnet_process_id_t dest,
 359                             srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 360        void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 361                             srpc_client_rpc_t *rpc);    /* done a test rpc */
 362} sfw_test_client_ops_t;
 363
 364typedef struct sfw_test_instance {
 365        struct list_head           tsi_list;            /* chain on batch */
 366        int                        tsi_service;         /* test type */
 367        sfw_batch_t                *tsi_batch;          /* batch */
 368        sfw_test_client_ops_t      *tsi_ops;            /* test client operation
 369                                                         */
 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
 381                                                         * unit */
 382        struct list_head           tsi_units;           /* test units */
 383        struct list_head           tsi_free_rpcs;       /* free rpcs */
 384        struct list_head           tsi_active_rpcs;     /* active rpcs */
 385
 386        union {
 387                test_ping_req_t    ping;    /* ping parameter */
 388                test_bulk_req_t    bulk_v0; /* bulk parameter */
 389                test_bulk_req_v1_t bulk_v1; /* bulk v1 parameter */
 390        } tsi_u;
 391} sfw_test_instance_t;
 392
 393/* XXX: trailing (PAGE_SIZE % sizeof(lnet_process_id_t)) bytes at the end of
 394 * pages are not used */
 395#define SFW_MAX_CONCUR     LST_MAX_CONCUR
 396#define SFW_ID_PER_PAGE    (PAGE_SIZE / sizeof(lnet_process_id_packed_t))
 397#define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 398#define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 399
 400typedef struct sfw_test_unit {
 401        struct list_head    tsu_list;      /* chain on lst_test_instance */
 402        lnet_process_id_t   tsu_dest;      /* id of dest node */
 403        int                 tsu_loop;      /* loop count of the test */
 404        sfw_test_instance_t *tsu_instance; /* pointer to test instance */
 405        void                *tsu_private;  /* private data */
 406        swi_workitem_t      tsu_worker;    /* workitem of the test unit */
 407} sfw_test_unit_t;
 408
 409typedef struct sfw_test_case {
 410        struct list_head      tsc_list;         /* chain on fw_tests */
 411        srpc_service_t        *tsc_srv_service; /* test service */
 412        sfw_test_client_ops_t *tsc_cli_ops;     /* ops of test client */
 413} sfw_test_case_t;
 414
 415srpc_client_rpc_t *
 416sfw_create_rpc(lnet_process_id_t peer, int service,
 417               unsigned features, int nbulkiov, int bulklen,
 418               void (*done)(srpc_client_rpc_t *), void *priv);
 419int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 420                        lnet_process_id_t peer, unsigned features,
 421                        int nblk, int blklen, srpc_client_rpc_t **rpc);
 422void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 423void sfw_post_rpc(srpc_client_rpc_t *rpc);
 424void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 425void sfw_unpack_message(srpc_msg_t *msg);
 426void sfw_free_pages(struct srpc_server_rpc *rpc);
 427void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 428int sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
 429                    int sink);
 430int sfw_make_session(srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 431
 432srpc_client_rpc_t *
 433srpc_create_client_rpc(lnet_process_id_t peer, int service,
 434                       int nbulkiov, int bulklen,
 435                       void (*rpc_done)(srpc_client_rpc_t *),
 436                       void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 437void srpc_post_rpc(srpc_client_rpc_t *rpc);
 438void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 439void srpc_free_bulk(srpc_bulk_t *bk);
 440srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 441                             int sink);
 442int srpc_send_rpc(swi_workitem_t *wi);
 443int srpc_send_reply(struct srpc_server_rpc *rpc);
 444int srpc_add_service(srpc_service_t *sv);
 445int srpc_remove_service(srpc_service_t *sv);
 446void srpc_shutdown_service(srpc_service_t *sv);
 447void srpc_abort_service(srpc_service_t *sv);
 448int srpc_finish_service(srpc_service_t *sv);
 449int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 450void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 451void srpc_get_counters(srpc_counters_t *cnt);
 452void srpc_set_counters(const srpc_counters_t *cnt);
 453
 454extern struct cfs_wi_sched *lst_sched_serial;
 455extern struct cfs_wi_sched **lst_sched_test;
 456
 457static inline int
 458srpc_serv_is_framework(struct srpc_service *svc)
 459{
 460        return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 461}
 462
 463static inline int
 464swi_wi_action(cfs_workitem_t *wi)
 465{
 466        swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 467
 468        return swi->swi_action(swi);
 469}
 470
 471static inline void
 472swi_init_workitem(swi_workitem_t *swi, void *data,
 473                  swi_action_t action, struct cfs_wi_sched *sched)
 474{
 475        swi->swi_sched = sched;
 476        swi->swi_action = action;
 477        swi->swi_state = SWI_STATE_NEWBORN;
 478        cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 479}
 480
 481static inline void
 482swi_schedule_workitem(swi_workitem_t *wi)
 483{
 484        cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 485}
 486
 487static inline void
 488swi_exit_workitem(swi_workitem_t *swi)
 489{
 490        cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 491}
 492
 493static inline int
 494swi_deschedule_workitem(swi_workitem_t *swi)
 495{
 496        return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 497}
 498
 499int sfw_startup(void);
 500int srpc_startup(void);
 501void sfw_shutdown(void);
 502void srpc_shutdown(void);
 503
 504static inline void
 505srpc_destroy_client_rpc(srpc_client_rpc_t *rpc)
 506{
 507        LASSERT(rpc);
 508        LASSERT(!srpc_event_pending(rpc));
 509        LASSERT(!atomic_read(&rpc->crpc_refcount));
 510
 511        if (!rpc->crpc_fini)
 512                LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 513        else
 514                (*rpc->crpc_fini)(rpc);
 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 = 1;
 547        rpc->crpc_reqstev.ev_fired = 1;
 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}
 554
 555static inline const char *
 556swi_state2str(int state)
 557{
 558#define STATE2STR(x) case x: return #x
 559        switch (state) {
 560        default:
 561                LBUG();
 562        STATE2STR(SWI_STATE_NEWBORN);
 563        STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 564        STATE2STR(SWI_STATE_REPLY_SENT);
 565        STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 566        STATE2STR(SWI_STATE_REQUEST_SENT);
 567        STATE2STR(SWI_STATE_REPLY_RECEIVED);
 568        STATE2STR(SWI_STATE_BULK_STARTED);
 569        STATE2STR(SWI_STATE_DONE);
 570        }
 571#undef STATE2STR
 572}
 573
 574#define selftest_wait_events()                                  \
 575        do {                                                    \
 576                set_current_state(TASK_UNINTERRUPTIBLE);        \
 577                schedule_timeout(cfs_time_seconds(1) / 10);     \
 578        } while (0)
 579
 580#define lst_wait_until(cond, lock, fmt, ...)                            \
 581do {                                                                    \
 582        int __I = 2;                                                    \
 583        while (!(cond)) {                                               \
 584                CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET,        \
 585                       fmt, ## __VA_ARGS__);                            \
 586                spin_unlock(&(lock));                                   \
 587                                                                        \
 588                selftest_wait_events();                                 \
 589                                                                        \
 590                spin_lock(&(lock));                                     \
 591        }                                                               \
 592} while (0)
 593
 594static inline void
 595srpc_wait_service_shutdown(srpc_service_t *sv)
 596{
 597        int i = 2;
 598
 599        LASSERT(sv->sv_shuttingdown);
 600
 601        while (!srpc_finish_service(sv)) {
 602                i++;
 603                CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 604                       "Waiting for %s service to shutdown...\n",
 605                       sv->sv_name);
 606                selftest_wait_events();
 607        }
 608}
 609
 610extern sfw_test_client_ops_t brw_test_client;
 611void brw_init_test_client(void);
 612
 613extern srpc_service_t brw_test_service;
 614void brw_init_test_service(void);
 615
 616extern sfw_test_client_ops_t ping_test_client;
 617void ping_init_test_client(void);
 618
 619extern srpc_service_t ping_test_service;
 620void ping_init_test_service(void);
 621
 622#endif /* __SELFTEST_SELFTEST_H__ */
 623