lnet/selftest/selftest.h

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  * copy of GPLv2].
  20  *
  21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22  * CA 95054 USA or visit www.sun.com if you need additional information or
  23  * have any questions.
  24  *
  25  * GPL HEADER END
  26  */
  27 /*
  28  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  29  * Use is subject to license terms.
  30  *
  31  * Copyright (c) 2012, 2013, Intel Corporation.
  32  */
  33 /*
  34  * This file is part of Lustre, http://www.lustre.org/
  35  * Lustre is a trademark of Sun Microsystems, Inc.
  36  *
  37  * lnet/selftest/selftest.h
  38  *
  39  * Author: Isaac Huang <isaac@clusterfs.com>
  40  */
  41 #ifndef __SELFTEST_SELFTEST_H__
  42 #define __SELFTEST_SELFTEST_H__
  43
  44 #define LNET_ONLY
  45
  46 #include <linux/ktime.h>
  47 #include <libcfs/libcfs.h>
  48 #include <lnet/api.h>
  49 #include <lnet/lib-lnet.h>
  50 #include <lnet/lib-types.h>
  51 #include <lnet/lnetst.h>
  52
  53 #include "rpc.h"
  54 #include "timer.h"
  55
  56 #ifndef MADE_WITHOUT_COMPROMISE
  57 #define MADE_WITHOUT_COMPROMISE
  58 #endif
  59
  60
  61 #define SWI_STATE_NEWBORN                  0
  62 #define SWI_STATE_REPLY_SUBMITTED          1
  63 #define SWI_STATE_REPLY_SENT               2
  64 #define SWI_STATE_REQUEST_SUBMITTED        3
  65 #define SWI_STATE_REQUEST_SENT             4
  66 #define SWI_STATE_REPLY_RECEIVED           5
  67 #define SWI_STATE_BULK_STARTED             6
  68 #define SWI_STATE_DONE                     10
  69
  70 /* forward refs */
  71 struct srpc_service;
  72 struct srpc_service_cd;
  73 struct sfw_test_unit;
  74 struct sfw_test_instance;
  75
  76 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  77  * services, e.g. create/modify session.
  78  */
  79 #define SRPC_SERVICE_DEBUG              0
  80 #define SRPC_SERVICE_MAKE_SESSION       1
  81 #define SRPC_SERVICE_REMOVE_SESSION     2
  82 #define SRPC_SERVICE_BATCH              3
  83 #define SRPC_SERVICE_TEST               4
  84 #define SRPC_SERVICE_QUERY_STAT         5
  85 #define SRPC_SERVICE_JOIN               6
  86 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  87 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  88 #define SRPC_SERVICE_BRW                11
  89 #define SRPC_SERVICE_PING               12
  90 #define SRPC_SERVICE_MAX_ID             12
  91
  92 #define SRPC_REQUEST_PORTAL             50
  93 /* a lazy portal for framework RPC requests */
  94 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
  95 /* all reply/bulk RDMAs go to this portal */
  96 #define SRPC_RDMA_PORTAL                52
  97
  98 static inline srpc_msg_type_t
  99 srpc_service2request (int service)
 100 {
 101         switch (service) {
 102         default:
 103                 LBUG ();
 104         case SRPC_SERVICE_DEBUG:
 105                 return SRPC_MSG_DEBUG_REQST;
 106
 107         case SRPC_SERVICE_MAKE_SESSION:
 108                 return SRPC_MSG_MKSN_REQST;
 109
 110         case SRPC_SERVICE_REMOVE_SESSION:
 111                 return SRPC_MSG_RMSN_REQST;
 112
 113         case SRPC_SERVICE_BATCH:
 114                 return SRPC_MSG_BATCH_REQST;
 115
 116         case SRPC_SERVICE_TEST:
 117                 return SRPC_MSG_TEST_REQST;
 118
 119         case SRPC_SERVICE_QUERY_STAT:
 120                 return SRPC_MSG_STAT_REQST;
 121
 122         case SRPC_SERVICE_BRW:
 123                 return SRPC_MSG_BRW_REQST;
 124
 125         case SRPC_SERVICE_PING:
 126                 return SRPC_MSG_PING_REQST;
 127
 128         case SRPC_SERVICE_JOIN:
 129                 return SRPC_MSG_JOIN_REQST;
 130         }
 131 }
 132
 133 static inline srpc_msg_type_t
 134 srpc_service2reply (int service)
 135 {
 136         return srpc_service2request(service) + 1;
 137 }
 138
 139 typedef enum {
 140         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) 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 */
 150 typedef 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
 158 typedef 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 */
 167 typedef 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
 175 struct swi_workitem;
 176 typedef int (*swi_action_t) (struct swi_workitem *);
 177
 178 typedef struct swi_workitem {
 179         struct cfs_wi_sched     *swi_sched;
 180         struct cfs_workitem       swi_workitem;
 181         swi_action_t         swi_action;
 182         int                  swi_state;
 183 } swi_workitem_t;
 184
 185 /* server-side state of a RPC */
 186 typedef 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 */
 205 typedef 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         /* # seconds to wait for reply */
 211         int                     crpc_timeout;
 212         stt_timer_t             crpc_timer;
 213         swi_workitem_t          crpc_wi;
 214         lnet_process_id_t       crpc_dest;
 215
 216         void               (*crpc_done)(struct srpc_client_rpc *);
 217         void               (*crpc_fini)(struct srpc_client_rpc *);
 218         int                  crpc_status;    /* completion status */
 219         void                *crpc_priv;      /* caller data */
 220
 221         /* state flags */
 222         unsigned int         crpc_aborted:1; /* being given up */
 223         unsigned int         crpc_closed:1;  /* completed */
 224
 225         /* RPC events */
 226         srpc_event_t         crpc_bulkev;    /* bulk event */
 227         srpc_event_t         crpc_reqstev;   /* request event */
 228         srpc_event_t         crpc_replyev;   /* reply event */
 229
 230         /* bulk, request(reqst), and reply exchanged on wire */
 231         srpc_msg_t           crpc_reqstmsg;
 232         srpc_msg_t           crpc_replymsg;
 233         lnet_handle_md_t     crpc_reqstmdh;
 234         lnet_handle_md_t     crpc_replymdh;
 235         srpc_bulk_t          crpc_bulk;
 236 } srpc_client_rpc_t;
 237
 238 #define srpc_client_rpc_size(rpc)                                       \
 239 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 240
 241 #define srpc_client_rpc_addref(rpc)                                     \
 242 do {                                                                    \
 243         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 244                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 245                atomic_read(&(rpc)->crpc_refcount));                 \
 246         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 247         atomic_inc(&(rpc)->crpc_refcount);                          \
 248 } while (0)
 249
 250 #define srpc_client_rpc_decref(rpc)                                     \
 251 do {                                                                    \
 252         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 253                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 254                atomic_read(&(rpc)->crpc_refcount));                 \
 255         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 256         if (atomic_dec_and_test(&(rpc)->crpc_refcount))             \
 257                 srpc_destroy_client_rpc(rpc);                           \
 258 } while (0)
 259
 260 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 261                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 262                                    (rpc)->crpc_replyev.ev_fired == 0)
 263
 264 /* CPU partition data of srpc service */
 265 struct srpc_service_cd {
 266         /** serialize */
 267         spinlock_t              scd_lock;
 268         /** backref to service */
 269         struct srpc_service     *scd_svc;
 270         /** event buffer */
 271         srpc_event_t            scd_ev;
 272         /** free RPC descriptors */
 273         struct list_head        scd_rpc_free;
 274         /** in-flight RPCs */
 275         struct list_head        scd_rpc_active;
 276         /** workitem for posting buffer */
 277         swi_workitem_t          scd_buf_wi;
 278         /** CPT id */
 279         int                     scd_cpt;
 280         /** error code for scd_buf_wi */
 281         int                     scd_buf_err;
 282         /** timestamp for scd_buf_err */
 283         unsigned long           scd_buf_err_stamp;
 284         /** total # request buffers */
 285         int                     scd_buf_total;
 286         /** # posted request buffers */
 287         int                     scd_buf_nposted;
 288         /** in progress of buffer posting */
 289         int                     scd_buf_posting;
 290         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 291         int                     scd_buf_low;
 292         /** increase/decrease some buffers */
 293         int                     scd_buf_adjust;
 294         /** posted message buffers */
 295         struct list_head        scd_buf_posted;
 296         /** blocked for RPC descriptor */
 297         struct list_head        scd_buf_blocked;
 298 };
 299
 300 /* number of server workitems (mini-thread) for testing service */
 301 #define SFW_TEST_WI_MIN         256
 302 #define SFW_TEST_WI_MAX         2048
 303 /* extra buffers for tolerating buggy peers, or unbalanced number
 304  * of peers between partitions  */
 305 #define SFW_TEST_WI_EXTRA       64
 306
 307 /* number of server workitems (mini-thread) for framework service */
 308 #define SFW_FRWK_WI_MIN         16
 309 #define SFW_FRWK_WI_MAX         256
 310
 311 typedef struct srpc_service {
 312         int                     sv_id;          /* service id */
 313         const char              *sv_name;       /* human readable name */
 314         int                     sv_wi_total;    /* total server workitems */
 315         int                     sv_shuttingdown;
 316         int                     sv_ncpts;
 317         /* percpt data for srpc_service */
 318         struct srpc_service_cd  **sv_cpt_data;
 319         /* Service callbacks:
 320          * - sv_handler: process incoming RPC request
 321          * - sv_bulk_ready: notify bulk data
 322          */
 323         int              (*sv_handler) (srpc_server_rpc_t *);
 324         int              (*sv_bulk_ready) (srpc_server_rpc_t *, int);
 325 } srpc_service_t;
 326
 327 typedef struct {
 328         /* chain on fw_zombie_sessions */
 329         struct list_head        sn_list;
 330         lst_sid_t               sn_id;          /* unique identifier */
 331         /* # seconds' inactivity to expire */
 332         unsigned int            sn_timeout;
 333         int                     sn_timer_active;
 334         unsigned int            sn_features;
 335         stt_timer_t             sn_timer;
 336         struct list_head        sn_batches;     /* list of batches */
 337         char                    sn_name[LST_NAME_SIZE];
 338         atomic_t                sn_refcount;
 339         atomic_t                sn_brw_errors;
 340         atomic_t                sn_ping_errors;
 341         cfs_time_t              sn_started;
 342 } sfw_session_t;
 343
 344 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 345                                        (sid0).ses_stamp == (sid1).ses_stamp)
 346
 347 typedef struct {
 348         struct list_head        bat_list;       /* chain on sn_batches */
 349         lst_bid_t               bat_id;         /* batch id */
 350         int                     bat_error;      /* error code of batch */
 351         sfw_session_t           *bat_session;   /* batch's session */
 352         atomic_t                bat_nactive;    /* # of active tests */
 353         struct list_head        bat_tests;      /* test instances */
 354 } sfw_batch_t;
 355
 356 typedef struct {
 357         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
 358         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 359         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 360                              lnet_process_id_t dest,
 361                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 362         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 363                              srpc_client_rpc_t *rpc);    /* done a test rpc */
 364 } sfw_test_client_ops_t;
 365
 366 typedef struct sfw_test_instance {
 367         struct list_head        tsi_list;       /* chain on batch */
 368         int                     tsi_service;    /* test type */
 369         sfw_batch_t             *tsi_batch;     /* batch */
 370         sfw_test_client_ops_t   *tsi_ops;       /* test client operations */
 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 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_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
 394  * the end of pages are not used */
 395 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 396 #define SFW_ID_PER_PAGE    (PAGE_CACHE_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
 400 typedef 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
 409 typedef 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
 415 srpc_client_rpc_t *
 416 sfw_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);
 419 int 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);
 422 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 423 void sfw_post_rpc(srpc_client_rpc_t *rpc);
 424 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 425 void sfw_unpack_message(srpc_msg_t *msg);
 426 void sfw_free_pages(srpc_server_rpc_t *rpc);
 427 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 428 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 429                     int sink);
 430 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 431
 432 srpc_client_rpc_t *
 433 srpc_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);
 437 void srpc_post_rpc(srpc_client_rpc_t *rpc);
 438 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 439 void srpc_free_bulk(srpc_bulk_t *bk);
 440 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 441                              int sink);
 442 int srpc_send_rpc(swi_workitem_t *wi);
 443 int srpc_send_reply(srpc_server_rpc_t *rpc);
 444 int srpc_add_service(srpc_service_t *sv);
 445 int srpc_remove_service(srpc_service_t *sv);
 446 void srpc_shutdown_service(srpc_service_t *sv);
 447 void srpc_abort_service(srpc_service_t *sv);
 448 int srpc_finish_service(srpc_service_t *sv);
 449 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 450 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 451 void srpc_get_counters(srpc_counters_t *cnt);
 452 void srpc_set_counters(const srpc_counters_t *cnt);
 453
 454 extern struct cfs_wi_sched *lst_sched_serial;
 455 extern struct cfs_wi_sched **lst_sched_test;
 456
 457 static inline int
 458 srpc_serv_is_framework(struct srpc_service *svc)
 459 {
 460         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 461 }
 462
 463 static inline int
 464 swi_wi_action(struct cfs_workitem *wi)
 465 {
 466         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 467
 468         return swi->swi_action(swi);
 469 }
 470
 471 static inline void
 472 swi_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
 481 static inline void
 482 swi_schedule_workitem(swi_workitem_t *wi)
 483 {
 484         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 485 }
 486
 487 static inline void
 488 swi_exit_workitem(swi_workitem_t *swi)
 489 {
 490         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 491 }
 492
 493 static inline int
 494 swi_deschedule_workitem(swi_workitem_t *swi)
 495 {
 496         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 497 }
 498
 499 int sfw_startup(void);
 500 int srpc_startup(void);
 501 void sfw_shutdown(void);
 502 void srpc_shutdown(void);
 503
 504 static inline void
 505 srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
 506 {
 507         LASSERT (rpc != NULL);
 508         LASSERT (!srpc_event_pending(rpc));
 509         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
 510
 511         if (rpc->crpc_fini == NULL) {
 512                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 513         } else {
 514                 (*rpc->crpc_fini) (rpc);
 515         }
 516
 517         return;
 518 }
 519
 520 static inline void
 521 srpc_init_client_rpc(srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 522                      int service, int nbulkiov, int bulklen,
 523                      void (*rpc_done)(srpc_client_rpc_t *),
 524                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 525 {
 526         LASSERT(nbulkiov <= LNET_MAX_IOV);
 527
 528         memset(rpc, 0, offsetof(srpc_client_rpc_t,
 529                                 crpc_bulk.bk_iovs[nbulkiov]));
 530
 531         INIT_LIST_HEAD(&rpc->crpc_list);
 532         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 533                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 534         spin_lock_init(&rpc->crpc_lock);
 535         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 536
 537         rpc->crpc_dest         = peer;
 538         rpc->crpc_priv         = priv;
 539         rpc->crpc_service      = service;
 540         rpc->crpc_bulk.bk_len  = bulklen;
 541         rpc->crpc_bulk.bk_niov = nbulkiov;
 542         rpc->crpc_done         = rpc_done;
 543         rpc->crpc_fini         = rpc_fini;
 544         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 545         LNetInvalidateHandle(&rpc->crpc_replymdh);
 546         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 547
 548         /* no event is expected at this point */
 549         rpc->crpc_bulkev.ev_fired  =
 550         rpc->crpc_reqstev.ev_fired =
 551         rpc->crpc_replyev.ev_fired = 1;
 552
 553         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 554         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 555         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 556         return;
 557 }
 558
 559 static inline const char *
 560 swi_state2str (int state)
 561 {
 562 #define STATE2STR(x) case x: return #x
 563         switch(state) {
 564                 default:
 565                         LBUG();
 566                 STATE2STR(SWI_STATE_NEWBORN);
 567                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 568                 STATE2STR(SWI_STATE_REPLY_SENT);
 569                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 570                 STATE2STR(SWI_STATE_REQUEST_SENT);
 571                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 572                 STATE2STR(SWI_STATE_BULK_STARTED);
 573                 STATE2STR(SWI_STATE_DONE);
 574         }
 575 #undef STATE2STR
 576 }
 577
 578 #define lst_wait_until(cond, lock, fmt, ...)                            \
 579 do {                                                                    \
 580         int __I = 2;                                                    \
 581         while (!(cond)) {                                               \
 582                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 583                        fmt, ## __VA_ARGS__);                            \
 584                 spin_unlock(&(lock));                                   \
 585                                                                         \
 586                 set_current_state(TASK_UNINTERRUPTIBLE);                \
 587                 schedule_timeout(cfs_time_seconds(1) / 10);             \
 588                                                                         \
 589                 spin_lock(&(lock));                                     \
 590         }                                                               \
 591 } while (0)
 592
 593 static inline void
 594 srpc_wait_service_shutdown(srpc_service_t *sv)
 595 {
 596         int i = 2;
 597
 598         LASSERT(sv->sv_shuttingdown);
 599
 600         while (srpc_finish_service(sv) == 0) {
 601                 i++;
 602                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
 603                        "Waiting for %s service to shutdown...\n",
 604                        sv->sv_name);
 605                 set_current_state(TASK_UNINTERRUPTIBLE);
 606                 schedule_timeout(cfs_time_seconds(1) / 10);
 607         }
 608 }
 609
 610 extern sfw_test_client_ops_t ping_test_client;
 611 extern srpc_service_t        ping_test_service;
 612 void ping_init_test_client(void);
 613 void ping_init_test_service(void);
 614
 615 extern sfw_test_client_ops_t brw_test_client;
 616 extern srpc_service_t        brw_test_service;
 617 void brw_init_test_client(void);
 618 void brw_init_test_service(void);
 619
 620 #endif /* __SELFTEST_SELFTEST_H__ */