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
  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)
 140                                   * received */
 141        SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 142        SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 143        SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 144        SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 145        SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 146        SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 147} srpc_event_type_t;
 148
 149/* RPC event */
 150typedef struct {
 151        srpc_event_type_t ev_type;   /* what's up */
 152        lnet_event_kind_t ev_lnet;   /* LNet event type */
 153        int               ev_fired;  /* LNet event fired? */
 154        int               ev_status; /* LNet event status */
 155        void              *ev_data;  /* owning server/client RPC */
 156} srpc_event_t;
 157
 158typedef struct {
 159        int              bk_len;     /* len of bulk data */
 160        lnet_handle_md_t bk_mdh;
 161        int              bk_sink;    /* sink/source */
 162        int              bk_niov;    /* # iov in bk_iovs */
 163        lnet_kiov_t      bk_iovs[0];
 164} srpc_bulk_t; /* bulk descriptor */
 165
 166/* message buffer descriptor */
 167typedef struct srpc_buffer {
 168        struct list_head  buf_list; /* chain on srpc_service::*_msgq */
 169        srpc_msg_t        buf_msg;
 170        lnet_handle_md_t  buf_mdh;
 171        lnet_nid_t        buf_self;
 172        lnet_process_id_t buf_peer;
 173} srpc_buffer_t;
 174
 175struct swi_workitem;
 176typedef int (*swi_action_t) (struct swi_workitem *);
 177
 178typedef struct swi_workitem {
 179        struct cfs_wi_sched *swi_sched;
 180        cfs_workitem_t      swi_workitem;
 181        swi_action_t        swi_action;
 182        int                 swi_state;
 183} swi_workitem_t;
 184
 185/* server-side state of a RPC */
 186typedef struct srpc_server_rpc {
 187        /* chain on srpc_service::*_rpcq */
 188        struct list_head       srpc_list;
 189        struct srpc_service_cd *srpc_scd;
 190        swi_workitem_t         srpc_wi;
 191        srpc_event_t           srpc_ev;      /* bulk/reply event */
 192        lnet_nid_t             srpc_self;
 193        lnet_process_id_t      srpc_peer;
 194        srpc_msg_t             srpc_replymsg;
 195        lnet_handle_md_t       srpc_replymdh;
 196        srpc_buffer_t          *srpc_reqstbuf;
 197        srpc_bulk_t            *srpc_bulk;
 198
 199        unsigned int           srpc_aborted; /* being given up */
 200        int                    srpc_status;
 201        void                   (*srpc_done)(struct srpc_server_rpc *);
 202} srpc_server_rpc_t;
 203
 204/* client-side state of a RPC */
 205typedef struct srpc_client_rpc {
 206        struct list_head  crpc_list;      /* chain on user's lists */
 207        spinlock_t        crpc_lock;      /* serialize */
 208        int               crpc_service;
 209        atomic_t          crpc_refcount;
 210        int               crpc_timeout;   /* # seconds to wait for reply */
 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)                                        \
 238offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 239
 240#define srpc_client_rpc_addref(rpc)                                      \
 241do {                                                                     \
 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)                                      \
 250do {                                                                     \
 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 */
 264struct 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
 310typedef 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
 326typedef struct {
 327        struct list_head sn_list;    /* chain on fw_zombie_sessions */
 328        lst_sid_t        sn_id;      /* unique identifier */
 329        unsigned int     sn_timeout; /* # seconds' inactivity to expire */
 330        int              sn_timer_active;
 331        unsigned int     sn_features;
 332        stt_timer_t      sn_timer;
 333        struct list_head sn_batches; /* list of batches */
 334        char             sn_name[LST_NAME_SIZE];
 335        atomic_t         sn_refcount;
 336        atomic_t         sn_brw_errors;
 337        atomic_t         sn_ping_errors;
 338        unsigned long    sn_started;
 339} sfw_session_t;
 340
 341#define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 342                                       (sid0).ses_stamp == (sid1).ses_stamp)
 343
 344typedef struct {
 345        struct list_head bat_list;      /* chain on sn_batches */
 346        lst_bid_t        bat_id;        /* batch id */
 347        int              bat_error;     /* error code of batch */
 348        sfw_session_t    *bat_session;  /* batch's session */
 349        atomic_t         bat_nactive;   /* # of active tests */
 350        struct list_head bat_tests;     /* test instances */
 351} sfw_batch_t;
 352
 353typedef struct {
 354        int  (*tso_init)(struct sfw_test_instance *tsi); /* initialize test
 355                                                          * client */
 356        void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test
 357                                                          * 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
 365typedef 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 operation
 370                                                         */
 371
 372        /* public parameter for all test units */
 373        unsigned int               tsi_is_client:1;     /* is test client */
 374        unsigned int               tsi_stoptsu_onerr:1; /* stop tsu on error */
 375        int                        tsi_concur;          /* concurrency */
 376        int                        tsi_loop;            /* loop count */
 377
 378        /* status of test instance */
 379        spinlock_t                 tsi_lock;            /* serialize */
 380        unsigned int               tsi_stopping:1;      /* test is stopping */
 381        atomic_t                   tsi_nactive;         /* # of active test
 382                                                         * unit */
 383        struct list_head           tsi_units;           /* test units */
 384        struct list_head           tsi_free_rpcs;       /* free rpcs */
 385        struct list_head           tsi_active_rpcs;     /* active rpcs */
 386
 387        union {
 388                test_ping_req_t    ping;    /* ping parameter */
 389                test_bulk_req_t    bulk_v0; /* bulk parameter */
 390                test_bulk_req_v1_t bulk_v1; /* bulk v1 parameter */
 391        } tsi_u;
 392} sfw_test_instance_t;
 393
 394/* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
 395 * the end of pages are not used */
 396#define SFW_MAX_CONCUR     LST_MAX_CONCUR
 397#define SFW_ID_PER_PAGE    (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t))
 398#define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 399#define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 400
 401typedef struct sfw_test_unit {
 402        struct list_head    tsu_list;      /* chain on lst_test_instance */
 403        lnet_process_id_t   tsu_dest;      /* id of dest node */
 404        int                 tsu_loop;      /* loop count of the test */
 405        sfw_test_instance_t *tsu_instance; /* pointer to test instance */
 406        void                *tsu_private;  /* private data */
 407        swi_workitem_t      tsu_worker;    /* workitem of the test unit */
 408} sfw_test_unit_t;
 409
 410typedef struct sfw_test_case {
 411        struct list_head      tsc_list;         /* chain on fw_tests */
 412        srpc_service_t        *tsc_srv_service; /* test service */
 413        sfw_test_client_ops_t *tsc_cli_ops;     /* ops of test client */
 414} sfw_test_case_t;
 415
 416srpc_client_rpc_t *
 417sfw_create_rpc(lnet_process_id_t peer, int service,
 418               unsigned features, int nbulkiov, int bulklen,
 419               void (*done) (srpc_client_rpc_t *), void *priv);
 420int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 421                        lnet_process_id_t peer, unsigned features,
 422                        int nblk, int blklen, srpc_client_rpc_t **rpc);
 423void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 424void sfw_post_rpc(srpc_client_rpc_t *rpc);
 425void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 426void sfw_unpack_message(srpc_msg_t *msg);
 427void sfw_free_pages(srpc_server_rpc_t *rpc);
 428void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 429int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 430                    int sink);
 431int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 432
 433srpc_client_rpc_t *
 434srpc_create_client_rpc(lnet_process_id_t peer, int service,
 435                       int nbulkiov, int bulklen,
 436                       void (*rpc_done)(srpc_client_rpc_t *),
 437                       void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 438void srpc_post_rpc(srpc_client_rpc_t *rpc);
 439void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 440void srpc_free_bulk(srpc_bulk_t *bk);
 441srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 442                             int sink);
 443int srpc_send_rpc(swi_workitem_t *wi);
 444int srpc_send_reply(srpc_server_rpc_t *rpc);
 445int srpc_add_service(srpc_service_t *sv);
 446int srpc_remove_service(srpc_service_t *sv);
 447void srpc_shutdown_service(srpc_service_t *sv);
 448void srpc_abort_service(srpc_service_t *sv);
 449int srpc_finish_service(srpc_service_t *sv);
 450int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 451void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 452void srpc_get_counters(srpc_counters_t *cnt);
 453void srpc_set_counters(const srpc_counters_t *cnt);
 454
 455extern struct cfs_wi_sched *lst_sched_serial;
 456extern struct cfs_wi_sched **lst_sched_test;
 457
 458static inline int
 459srpc_serv_is_framework(struct srpc_service *svc)
 460{
 461        return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 462}
 463
 464static inline int
 465swi_wi_action(cfs_workitem_t *wi)
 466{
 467        swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 468
 469        return swi->swi_action(swi);
 470}
 471
 472static inline void
 473swi_init_workitem(swi_workitem_t *swi, void *data,
 474                  swi_action_t action, struct cfs_wi_sched *sched)
 475{
 476        swi->swi_sched  = sched;
 477        swi->swi_action = action;
 478        swi->swi_state  = SWI_STATE_NEWBORN;
 479        cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 480}
 481
 482static inline void
 483swi_schedule_workitem(swi_workitem_t *wi)
 484{
 485        cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 486}
 487
 488static inline void
 489swi_exit_workitem(swi_workitem_t *swi)
 490{
 491        cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 492}
 493
 494static inline int
 495swi_deschedule_workitem(swi_workitem_t *swi)
 496{
 497        return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 498}
 499
 500
 501int sfw_startup(void);
 502int srpc_startup(void);
 503void sfw_shutdown(void);
 504void srpc_shutdown(void);
 505
 506static inline void
 507srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
 508{
 509        LASSERT(rpc != NULL);
 510        LASSERT(!srpc_event_pending(rpc));
 511        LASSERT(atomic_read(&rpc->crpc_refcount) == 0);
 512
 513        if (rpc->crpc_fini == NULL) {
 514                LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 515        } else {
 516                (*rpc->crpc_fini) (rpc);
 517        }
 518
 519        return;
 520}
 521
 522static inline void
 523srpc_init_client_rpc (srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 524                      int service, int nbulkiov, int bulklen,
 525                      void (*rpc_done)(srpc_client_rpc_t *),
 526                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 527{
 528        LASSERT(nbulkiov <= LNET_MAX_IOV);
 529
 530        memset(rpc, 0, offsetof(srpc_client_rpc_t,
 531                                crpc_bulk.bk_iovs[nbulkiov]));
 532
 533        INIT_LIST_HEAD(&rpc->crpc_list);
 534        swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 535                          lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 536        spin_lock_init(&rpc->crpc_lock);
 537        atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 538
 539        rpc->crpc_dest         = peer;
 540        rpc->crpc_priv         = priv;
 541        rpc->crpc_service      = service;
 542        rpc->crpc_bulk.bk_len  = bulklen;
 543        rpc->crpc_bulk.bk_niov = nbulkiov;
 544        rpc->crpc_done         = rpc_done;
 545        rpc->crpc_fini         = rpc_fini;
 546        LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 547        LNetInvalidateHandle(&rpc->crpc_replymdh);
 548        LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 549
 550        /* no event is expected at this point */
 551        rpc->crpc_bulkev.ev_fired  =
 552        rpc->crpc_reqstev.ev_fired =
 553        rpc->crpc_replyev.ev_fired = 1;
 554
 555        rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 556        rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 557        rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 558        return;
 559}
 560
 561static inline const char *
 562swi_state2str (int state)
 563{
 564#define STATE2STR(x) case x: return #x
 565        switch(state) {
 566                default:
 567                        LBUG();
 568                STATE2STR(SWI_STATE_NEWBORN);
 569                STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 570                STATE2STR(SWI_STATE_REPLY_SENT);
 571                STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 572                STATE2STR(SWI_STATE_REQUEST_SENT);
 573                STATE2STR(SWI_STATE_REPLY_RECEIVED);
 574                STATE2STR(SWI_STATE_BULK_STARTED);
 575                STATE2STR(SWI_STATE_DONE);
 576        }
 577#undef STATE2STR
 578}
 579
 580#define selftest_wait_events()                                  \
 581        do {                                                    \
 582                set_current_state(TASK_UNINTERRUPTIBLE);        \
 583                schedule_timeout(cfs_time_seconds(1) / 10);     \
 584        } while (0)
 585
 586
 587#define lst_wait_until(cond, lock, fmt, ...)                            \
 588do {                                                                    \
 589        int __I = 2;                                                    \
 590        while (!(cond)) {                                               \
 591                CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 592                       fmt, ## __VA_ARGS__);                            \
 593                spin_unlock(&(lock));                                   \
 594                                                                        \
 595                selftest_wait_events();                                 \
 596                                                                        \
 597                spin_lock(&(lock));                                     \
 598        }                                                               \
 599} while (0)
 600
 601static inline void
 602srpc_wait_service_shutdown(srpc_service_t *sv)
 603{
 604        int i = 2;
 605
 606        LASSERT(sv->sv_shuttingdown);
 607
 608        while (srpc_finish_service(sv) == 0) {
 609                i++;
 610                CDEBUG (((i & -i) == i) ? D_WARNING : D_NET,
 611                        "Waiting for %s service to shutdown...\n",
 612                        sv->sv_name);
 613                selftest_wait_events();
 614        }
 615}
 616
 617extern sfw_test_client_ops_t brw_test_client;
 618void brw_init_test_client(void);
 619
 620extern srpc_service_t brw_test_service;
 621void brw_init_test_service(void);
 622
 623extern sfw_test_client_ops_t ping_test_client;
 624void ping_init_test_client(void);
 625
 626extern srpc_service_t ping_test_service;
 627void ping_init_test_service(void);
 628
 629#endif /* __SELFTEST_SELFTEST_H__ */
 630