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 #ifndef __KERNEL__
  47
  48 /* XXX workaround XXX */
  49 #ifdef HAVE_SYS_TYPES_H
  50 #include <sys/types.h>
  51 #endif
  52
  53 #endif
  54 #include <libcfs/libcfs.h>
  55 #include <lnet/lnet.h>
  56 #include <lnet/lib-lnet.h>
  57 #include <lnet/lib-types.h>
  58 #include <lnet/lnetst.h>
  59
  60 #include "rpc.h"
  61 #include "timer.h"
  62
  63 #ifndef MADE_WITHOUT_COMPROMISE
  64 #define MADE_WITHOUT_COMPROMISE
  65 #endif
  66
  67
  68 #define SWI_STATE_NEWBORN                  0
  69 #define SWI_STATE_REPLY_SUBMITTED          1
  70 #define SWI_STATE_REPLY_SENT               2
  71 #define SWI_STATE_REQUEST_SUBMITTED        3
  72 #define SWI_STATE_REQUEST_SENT             4
  73 #define SWI_STATE_REPLY_RECEIVED           5
  74 #define SWI_STATE_BULK_STARTED             6
  75 #define SWI_STATE_DONE                     10
  76
  77 /* forward refs */
  78 struct srpc_service;
  79 struct srpc_service_cd;
  80 struct sfw_test_unit;
  81 struct sfw_test_instance;
  82
  83 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
  84  * services, e.g. create/modify session.
  85  */
  86 #define SRPC_SERVICE_DEBUG              0
  87 #define SRPC_SERVICE_MAKE_SESSION       1
  88 #define SRPC_SERVICE_REMOVE_SESSION     2
  89 #define SRPC_SERVICE_BATCH              3
  90 #define SRPC_SERVICE_TEST               4
  91 #define SRPC_SERVICE_QUERY_STAT         5
  92 #define SRPC_SERVICE_JOIN               6
  93 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
  94 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
  95 #define SRPC_SERVICE_BRW                11
  96 #define SRPC_SERVICE_PING               12
  97 #define SRPC_SERVICE_MAX_ID             12
  98
  99 #define SRPC_REQUEST_PORTAL             50
 100 /* a lazy portal for framework RPC requests */
 101 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
 102 /* all reply/bulk RDMAs go to this portal */
 103 #define SRPC_RDMA_PORTAL                52
 104
 105 static inline srpc_msg_type_t
 106 srpc_service2request (int service)
 107 {
 108         switch (service) {
 109         default:
 110                 LBUG ();
 111         case SRPC_SERVICE_DEBUG:
 112                 return SRPC_MSG_DEBUG_REQST;
 113
 114         case SRPC_SERVICE_MAKE_SESSION:
 115                 return SRPC_MSG_MKSN_REQST;
 116
 117         case SRPC_SERVICE_REMOVE_SESSION:
 118                 return SRPC_MSG_RMSN_REQST;
 119
 120         case SRPC_SERVICE_BATCH:
 121                 return SRPC_MSG_BATCH_REQST;
 122
 123         case SRPC_SERVICE_TEST:
 124                 return SRPC_MSG_TEST_REQST;
 125
 126         case SRPC_SERVICE_QUERY_STAT:
 127                 return SRPC_MSG_STAT_REQST;
 128
 129         case SRPC_SERVICE_BRW:
 130                 return SRPC_MSG_BRW_REQST;
 131
 132         case SRPC_SERVICE_PING:
 133                 return SRPC_MSG_PING_REQST;
 134
 135         case SRPC_SERVICE_JOIN:
 136                 return SRPC_MSG_JOIN_REQST;
 137         }
 138 }
 139
 140 static inline srpc_msg_type_t
 141 srpc_service2reply (int service)
 142 {
 143         return srpc_service2request(service) + 1;
 144 }
 145
 146 typedef enum {
 147         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) received */
 148         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
 149         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
 150         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
 151         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
 152         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
 153         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
 154 } srpc_event_type_t;
 155
 156 /* RPC event */
 157 typedef struct {
 158         srpc_event_type_t ev_type;   /* what's up */
 159         lnet_event_kind_t ev_lnet;   /* LNet event type */
 160         int               ev_fired;  /* LNet event fired? */
 161         int               ev_status; /* LNet event status */
 162         void             *ev_data;   /* owning server/client RPC */
 163 } srpc_event_t;
 164
 165 typedef struct {
 166         int              bk_len;  /* len of bulk data */
 167         lnet_handle_md_t bk_mdh;
 168         int              bk_sink; /* sink/source */
 169         int              bk_niov; /* # iov in bk_iovs */
 170 #ifdef __KERNEL__
 171         lnet_kiov_t      bk_iovs[0];
 172 #else
 173         struct page     **bk_pages;
 174         lnet_md_iovec_t  bk_iovs[0];
 175 #endif
 176 } srpc_bulk_t; /* bulk descriptor */
 177
 178 /* message buffer descriptor */
 179 typedef struct srpc_buffer {
 180         struct list_head        buf_list; /* chain on srpc_service::*_msgq */
 181         srpc_msg_t              buf_msg;
 182         lnet_handle_md_t        buf_mdh;
 183         lnet_nid_t              buf_self;
 184         lnet_process_id_t       buf_peer;
 185 } srpc_buffer_t;
 186
 187 struct swi_workitem;
 188 typedef int (*swi_action_t) (struct swi_workitem *);
 189
 190 typedef struct swi_workitem {
 191         struct cfs_wi_sched     *swi_sched;
 192         cfs_workitem_t       swi_workitem;
 193         swi_action_t         swi_action;
 194         int                  swi_state;
 195 } swi_workitem_t;
 196
 197 /* server-side state of a RPC */
 198 typedef struct srpc_server_rpc {
 199         /* chain on srpc_service::*_rpcq */
 200         struct list_head        srpc_list;
 201         struct srpc_service_cd *srpc_scd;
 202         swi_workitem_t          srpc_wi;
 203         srpc_event_t            srpc_ev;        /* bulk/reply event */
 204         lnet_nid_t              srpc_self;
 205         lnet_process_id_t       srpc_peer;
 206         srpc_msg_t              srpc_replymsg;
 207         lnet_handle_md_t        srpc_replymdh;
 208         srpc_buffer_t           *srpc_reqstbuf;
 209         srpc_bulk_t             *srpc_bulk;
 210
 211         unsigned int    srpc_aborted; /* being given up */
 212         int             srpc_status;
 213         void            (*srpc_done)(struct srpc_server_rpc *);
 214 } srpc_server_rpc_t;
 215
 216 /* client-side state of a RPC */
 217 typedef struct srpc_client_rpc {
 218         struct list_head        crpc_list;      /* chain on user's lists */
 219         spinlock_t              crpc_lock;      /* serialize */
 220         int                     crpc_service;
 221         atomic_t                crpc_refcount;
 222         /* # seconds to wait for reply */
 223         int                     crpc_timeout;
 224         stt_timer_t             crpc_timer;
 225         swi_workitem_t          crpc_wi;
 226         lnet_process_id_t       crpc_dest;
 227
 228         void               (*crpc_done)(struct srpc_client_rpc *);
 229         void               (*crpc_fini)(struct srpc_client_rpc *);
 230         int                  crpc_status;    /* completion status */
 231         void                *crpc_priv;      /* caller data */
 232
 233         /* state flags */
 234         unsigned int         crpc_aborted:1; /* being given up */
 235         unsigned int         crpc_closed:1;  /* completed */
 236
 237         /* RPC events */
 238         srpc_event_t         crpc_bulkev;    /* bulk event */
 239         srpc_event_t         crpc_reqstev;   /* request event */
 240         srpc_event_t         crpc_replyev;   /* reply event */
 241
 242         /* bulk, request(reqst), and reply exchanged on wire */
 243         srpc_msg_t           crpc_reqstmsg;
 244         srpc_msg_t           crpc_replymsg;
 245         lnet_handle_md_t     crpc_reqstmdh;
 246         lnet_handle_md_t     crpc_replymdh;
 247         srpc_bulk_t          crpc_bulk;
 248 } srpc_client_rpc_t;
 249
 250 #define srpc_client_rpc_size(rpc)                                       \
 251 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
 252
 253 #define srpc_client_rpc_addref(rpc)                                     \
 254 do {                                                                    \
 255         CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n",                         \
 256                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 257                atomic_read(&(rpc)->crpc_refcount));                 \
 258         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 259         atomic_inc(&(rpc)->crpc_refcount);                          \
 260 } while (0)
 261
 262 #define srpc_client_rpc_decref(rpc)                                     \
 263 do {                                                                    \
 264         CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n",                         \
 265                (rpc), libcfs_id2str((rpc)->crpc_dest),                  \
 266                atomic_read(&(rpc)->crpc_refcount));                 \
 267         LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0);            \
 268         if (atomic_dec_and_test(&(rpc)->crpc_refcount))             \
 269                 srpc_destroy_client_rpc(rpc);                           \
 270 } while (0)
 271
 272 #define srpc_event_pending(rpc)   ((rpc)->crpc_bulkev.ev_fired == 0 ||  \
 273                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
 274                                    (rpc)->crpc_replyev.ev_fired == 0)
 275
 276 /* CPU partition data of srpc service */
 277 struct srpc_service_cd {
 278         /** serialize */
 279         spinlock_t              scd_lock;
 280         /** backref to service */
 281         struct srpc_service     *scd_svc;
 282         /** event buffer */
 283         srpc_event_t            scd_ev;
 284         /** free RPC descriptors */
 285         struct list_head        scd_rpc_free;
 286         /** in-flight RPCs */
 287         struct list_head        scd_rpc_active;
 288         /** workitem for posting buffer */
 289         swi_workitem_t          scd_buf_wi;
 290         /** CPT id */
 291         int                     scd_cpt;
 292         /** error code for scd_buf_wi */
 293         int                     scd_buf_err;
 294         /** timestamp for scd_buf_err */
 295         unsigned long           scd_buf_err_stamp;
 296         /** total # request buffers */
 297         int                     scd_buf_total;
 298         /** # posted request buffers */
 299         int                     scd_buf_nposted;
 300         /** in progress of buffer posting */
 301         int                     scd_buf_posting;
 302         /** allocate more buffers if scd_buf_nposted < scd_buf_low */
 303         int                     scd_buf_low;
 304         /** increase/decrease some buffers */
 305         int                     scd_buf_adjust;
 306         /** posted message buffers */
 307         struct list_head        scd_buf_posted;
 308         /** blocked for RPC descriptor */
 309         struct list_head        scd_buf_blocked;
 310 };
 311
 312 /* number of server workitems (mini-thread) for testing service */
 313 #define SFW_TEST_WI_MIN         256
 314 #define SFW_TEST_WI_MAX         2048
 315 /* extra buffers for tolerating buggy peers, or unbalanced number
 316  * of peers between partitions  */
 317 #define SFW_TEST_WI_EXTRA       64
 318
 319 /* number of server workitems (mini-thread) for framework service */
 320 #define SFW_FRWK_WI_MIN         16
 321 #define SFW_FRWK_WI_MAX         256
 322
 323 typedef struct srpc_service {
 324         int                     sv_id;          /* service id */
 325         const char              *sv_name;       /* human readable name */
 326         int                     sv_wi_total;    /* total server workitems */
 327         int                     sv_shuttingdown;
 328         int                     sv_ncpts;
 329         /* percpt data for srpc_service */
 330         struct srpc_service_cd  **sv_cpt_data;
 331         /* Service callbacks:
 332          * - sv_handler: process incoming RPC request
 333          * - sv_bulk_ready: notify bulk data
 334          */
 335         int              (*sv_handler) (srpc_server_rpc_t *);
 336         int              (*sv_bulk_ready) (srpc_server_rpc_t *, int);
 337 } srpc_service_t;
 338
 339 typedef struct {
 340         /* chain on fw_zombie_sessions */
 341         struct list_head        sn_list;
 342         lst_sid_t               sn_id;          /* unique identifier */
 343         /* # seconds' inactivity to expire */
 344         unsigned int            sn_timeout;
 345         int                     sn_timer_active;
 346         unsigned int            sn_features;
 347         stt_timer_t             sn_timer;
 348         struct list_head        sn_batches;     /* list of batches */
 349         char                    sn_name[LST_NAME_SIZE];
 350         atomic_t                sn_refcount;
 351         atomic_t                sn_brw_errors;
 352         atomic_t                sn_ping_errors;
 353         cfs_time_t              sn_started;
 354 } sfw_session_t;
 355
 356 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
 357                                        (sid0).ses_stamp == (sid1).ses_stamp)
 358
 359 typedef struct {
 360         struct list_head        bat_list;       /* chain on sn_batches */
 361         lst_bid_t               bat_id;         /* batch id */
 362         int                     bat_error;      /* error code of batch */
 363         sfw_session_t           *bat_session;   /* batch's session */
 364         atomic_t                bat_nactive;    /* # of active tests */
 365         struct list_head        bat_tests;      /* test instances */
 366 } sfw_batch_t;
 367
 368 typedef struct {
 369         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
 370         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
 371         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
 372                              lnet_process_id_t dest,
 373                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
 374         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
 375                              srpc_client_rpc_t *rpc);    /* done a test rpc */
 376 } sfw_test_client_ops_t;
 377
 378 typedef struct sfw_test_instance {
 379         struct list_head        tsi_list;       /* chain on batch */
 380         int                     tsi_service;    /* test type */
 381         sfw_batch_t             *tsi_batch;     /* batch */
 382         sfw_test_client_ops_t   *tsi_ops;       /* test client operations */
 383
 384         /* public parameter for all test units */
 385         unsigned int            tsi_is_client:1;     /* is test client */
 386         unsigned int            tsi_stoptsu_onerr:1; /* stop tsu on error */
 387         int                     tsi_concur;          /* concurrency */
 388         int                     tsi_loop;            /* loop count */
 389
 390         /* status of test instance */
 391         spinlock_t              tsi_lock;       /* serialize */
 392         unsigned int            tsi_stopping:1; /* test is stopping */
 393         atomic_t                tsi_nactive;    /* # of active test unit */
 394         struct list_head        tsi_units;      /* test units */
 395         struct list_head        tsi_free_rpcs;  /* free rpcs */
 396         struct list_head        tsi_active_rpcs;/* active rpcs */
 397
 398         union {
 399                 test_ping_req_t         ping;     /* ping parameter */
 400                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
 401                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
 402         } tsi_u;
 403 } sfw_test_instance_t;
 404
 405 /* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
 406  * the end of pages are not used */
 407 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
 408 #define SFW_ID_PER_PAGE    (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t))
 409 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
 410 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
 411
 412 typedef struct sfw_test_unit {
 413         struct list_head        tsu_list;       /* chain on lst_test_instance */
 414         lnet_process_id_t       tsu_dest;       /* id of dest node */
 415         int                     tsu_loop;       /* loop count of the test */
 416         sfw_test_instance_t     *tsu_instance;  /* pointer to test instance */
 417         void                    *tsu_private;   /* private data */
 418         swi_workitem_t          tsu_worker;     /* workitem of the test unit */
 419 } sfw_test_unit_t;
 420
 421 typedef struct sfw_test_case {
 422         struct list_head        tsc_list;               /* chain on fw_tests */
 423         srpc_service_t          *tsc_srv_service;       /* test service */
 424         sfw_test_client_ops_t   *tsc_cli_ops;           /* ops of test client */
 425 } sfw_test_case_t;
 426
 427 srpc_client_rpc_t *
 428 sfw_create_rpc(lnet_process_id_t peer, int service,
 429                unsigned features, int nbulkiov, int bulklen,
 430                void (*done) (srpc_client_rpc_t *), void *priv);
 431 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
 432                         lnet_process_id_t peer, unsigned features,
 433                         int nblk, int blklen, srpc_client_rpc_t **rpc);
 434 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
 435 void sfw_post_rpc(srpc_client_rpc_t *rpc);
 436 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
 437 void sfw_unpack_message(srpc_msg_t *msg);
 438 void sfw_free_pages(srpc_server_rpc_t *rpc);
 439 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
 440 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
 441                     int sink);
 442 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
 443
 444 srpc_client_rpc_t *
 445 srpc_create_client_rpc(lnet_process_id_t peer, int service,
 446                        int nbulkiov, int bulklen,
 447                        void (*rpc_done)(srpc_client_rpc_t *),
 448                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
 449 void srpc_post_rpc(srpc_client_rpc_t *rpc);
 450 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
 451 void srpc_free_bulk(srpc_bulk_t *bk);
 452 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
 453                              int sink);
 454 int srpc_send_rpc(swi_workitem_t *wi);
 455 int srpc_send_reply(srpc_server_rpc_t *rpc);
 456 int srpc_add_service(srpc_service_t *sv);
 457 int srpc_remove_service(srpc_service_t *sv);
 458 void srpc_shutdown_service(srpc_service_t *sv);
 459 void srpc_abort_service(srpc_service_t *sv);
 460 int srpc_finish_service(srpc_service_t *sv);
 461 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
 462 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
 463 void srpc_get_counters(srpc_counters_t *cnt);
 464 void srpc_set_counters(const srpc_counters_t *cnt);
 465
 466 extern struct cfs_wi_sched *lst_sched_serial;
 467 extern struct cfs_wi_sched **lst_sched_test;
 468
 469 static inline int
 470 srpc_serv_is_framework(struct srpc_service *svc)
 471 {
 472         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
 473 }
 474
 475 static inline int
 476 swi_wi_action(cfs_workitem_t *wi)
 477 {
 478         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
 479
 480         return swi->swi_action(swi);
 481 }
 482
 483 static inline void
 484 swi_init_workitem(swi_workitem_t *swi, void *data,
 485                   swi_action_t action, struct cfs_wi_sched *sched)
 486 {
 487         swi->swi_sched  = sched;
 488         swi->swi_action = action;
 489         swi->swi_state  = SWI_STATE_NEWBORN;
 490         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
 491 }
 492
 493 static inline void
 494 swi_schedule_workitem(swi_workitem_t *wi)
 495 {
 496         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
 497 }
 498
 499 static inline void
 500 swi_exit_workitem(swi_workitem_t *swi)
 501 {
 502         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
 503 }
 504
 505 static inline int
 506 swi_deschedule_workitem(swi_workitem_t *swi)
 507 {
 508         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
 509 }
 510
 511 #ifndef __KERNEL__
 512 static inline int
 513 swi_check_events(void)
 514 {
 515         return cfs_wi_check_events();
 516 }
 517 #endif
 518
 519 int sfw_startup(void);
 520 int srpc_startup(void);
 521 void sfw_shutdown(void);
 522 void srpc_shutdown(void);
 523
 524 static inline void
 525 srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
 526 {
 527         LASSERT (rpc != NULL);
 528         LASSERT (!srpc_event_pending(rpc));
 529         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
 530 #ifndef __KERNEL__
 531         LASSERT (rpc->crpc_bulk.bk_pages == NULL);
 532 #endif
 533
 534         if (rpc->crpc_fini == NULL) {
 535                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
 536         } else {
 537                 (*rpc->crpc_fini) (rpc);
 538         }
 539
 540         return;
 541 }
 542
 543 static inline void
 544 srpc_init_client_rpc(srpc_client_rpc_t *rpc, lnet_process_id_t peer,
 545                      int service, int nbulkiov, int bulklen,
 546                      void (*rpc_done)(srpc_client_rpc_t *),
 547                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
 548 {
 549         LASSERT(nbulkiov <= LNET_MAX_IOV);
 550
 551         memset(rpc, 0, offsetof(srpc_client_rpc_t,
 552                                 crpc_bulk.bk_iovs[nbulkiov]));
 553
 554         INIT_LIST_HEAD(&rpc->crpc_list);
 555         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
 556                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
 557         spin_lock_init(&rpc->crpc_lock);
 558         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
 559
 560         rpc->crpc_dest         = peer;
 561         rpc->crpc_priv         = priv;
 562         rpc->crpc_service      = service;
 563         rpc->crpc_bulk.bk_len  = bulklen;
 564         rpc->crpc_bulk.bk_niov = nbulkiov;
 565         rpc->crpc_done         = rpc_done;
 566         rpc->crpc_fini         = rpc_fini;
 567         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
 568         LNetInvalidateHandle(&rpc->crpc_replymdh);
 569         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
 570
 571         /* no event is expected at this point */
 572         rpc->crpc_bulkev.ev_fired  =
 573         rpc->crpc_reqstev.ev_fired =
 574         rpc->crpc_replyev.ev_fired = 1;
 575
 576         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
 577         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
 578         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
 579         return;
 580 }
 581
 582 static inline const char *
 583 swi_state2str (int state)
 584 {
 585 #define STATE2STR(x) case x: return #x
 586         switch(state) {
 587                 default:
 588                         LBUG();
 589                 STATE2STR(SWI_STATE_NEWBORN);
 590                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
 591                 STATE2STR(SWI_STATE_REPLY_SENT);
 592                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
 593                 STATE2STR(SWI_STATE_REQUEST_SENT);
 594                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
 595                 STATE2STR(SWI_STATE_BULK_STARTED);
 596                 STATE2STR(SWI_STATE_DONE);
 597         }
 598 #undef STATE2STR
 599 }
 600
 601 #ifndef __KERNEL__
 602
 603 int stt_poll_interval(void);
 604 int sfw_session_removed(void);
 605
 606 int stt_check_events(void);
 607 int srpc_check_event(int timeout);
 608
 609 int lnet_selftest_init(void);
 610 void lnet_selftest_fini(void);
 611 int selftest_wait_events(void);
 612
 613 #else
 614
 615 #define selftest_wait_events()  cfs_pause(cfs_time_seconds(1) / 10)
 616
 617 #endif
 618
 619 #define lst_wait_until(cond, lock, fmt, ...)                            \
 620 do {                                                                    \
 621         int __I = 2;                                                    \
 622         while (!(cond)) {                                               \
 623                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
 624                        fmt, ## __VA_ARGS__);                            \
 625                 spin_unlock(&(lock));                                   \
 626                                                                         \
 627                 selftest_wait_events();                                 \
 628                                                                         \
 629                 spin_lock(&(lock));                                     \
 630         }                                                               \
 631 } while (0)
 632
 633 static inline void
 634 srpc_wait_service_shutdown(srpc_service_t *sv)
 635 {
 636         int i = 2;
 637
 638         LASSERT(sv->sv_shuttingdown);
 639
 640         while (srpc_finish_service(sv) == 0) {
 641                 i++;
 642                 CDEBUG (((i & -i) == i) ? D_WARNING : D_NET,
 643                         "Waiting for %s service to shutdown...\n",
 644                         sv->sv_name);
 645                 selftest_wait_events();
 646         }
 647 }
 648
 649 extern sfw_test_client_ops_t ping_test_client;
 650 extern srpc_service_t        ping_test_service;
 651 void ping_init_test_client(void);
 652 void ping_init_test_service(void);
 653
 654 extern sfw_test_client_ops_t brw_test_client;
 655 extern srpc_service_t        brw_test_service;
 656 void brw_init_test_client(void);
 657 void brw_init_test_service(void);
 658
 659 #endif /* __SELFTEST_SELFTEST_H__ */