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[fs/lustre-release.git] / 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 <libcfs/libcfs.h>
47 #include <lnet/api.h>
48 #include <lnet/lib-lnet.h>
49 #include <lnet/lib-types.h>
50 #include <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 */
70 struct srpc_service;
71 struct srpc_service_cd;
72 struct sfw_test_unit;
73 struct 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
97 static inline srpc_msg_type_t
98 srpc_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
132 static inline srpc_msg_type_t
133 srpc_service2reply (int service)
134 {
135         return srpc_service2request(service) + 1;
136 }
137
138 typedef enum {
139         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) received */
140         SRPC_BULK_PUT_SENT   = 2, /* active bulk PUT sent (source) */
141         SRPC_BULK_GET_RPLD   = 3, /* active bulk GET replied (sink) */
142         SRPC_REPLY_RCVD      = 4, /* incoming reply received */
143         SRPC_REPLY_SENT      = 5, /* outgoing reply sent */
144         SRPC_REQUEST_RCVD    = 6, /* incoming request received */
145         SRPC_REQUEST_SENT    = 7, /* outgoing request sent */
146 } srpc_event_type_t;
147
148 /* RPC event */
149 typedef 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
157 typedef 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 */
166 typedef 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
174 struct swi_workitem;
175 typedef int (*swi_action_t) (struct swi_workitem *);
176
177 typedef 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 */
185 typedef struct srpc_server_rpc {
186         /* chain on srpc_service::*_rpcq */
187         struct list_head        srpc_list;
188         struct srpc_service_cd *srpc_scd;
189         swi_workitem_t          srpc_wi;
190         srpc_event_t            srpc_ev;        /* bulk/reply event */
191         lnet_nid_t              srpc_self;
192         lnet_process_id_t       srpc_peer;
193         srpc_msg_t              srpc_replymsg;
194         lnet_handle_md_t        srpc_replymdh;
195         srpc_buffer_t           *srpc_reqstbuf;
196         srpc_bulk_t             *srpc_bulk;
197
198         unsigned int    srpc_aborted; /* being given up */
199         int             srpc_status;
200         void            (*srpc_done)(struct srpc_server_rpc *);
201 } srpc_server_rpc_t;
202
203 /* client-side state of a RPC */
204 typedef 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         /* # seconds to wait for reply */
210         int                     crpc_timeout;
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)                                       \
238 offsetof(srpc_client_rpc_t, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
239
240 #define srpc_client_rpc_addref(rpc)                                     \
241 do {                                                                    \
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)                                     \
250 do {                                                                    \
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 */
264 struct 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
310 typedef 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
326 typedef struct {
327         /* chain on fw_zombie_sessions */
328         struct list_head        sn_list;
329         lst_sid_t               sn_id;          /* unique identifier */
330         /* # seconds' inactivity to expire */
331         unsigned int            sn_timeout;
332         int                     sn_timer_active;
333         unsigned int            sn_features;
334         stt_timer_t             sn_timer;
335         struct list_head        sn_batches;     /* list of batches */
336         char                    sn_name[LST_NAME_SIZE];
337         atomic_t                sn_refcount;
338         atomic_t                sn_brw_errors;
339         atomic_t                sn_ping_errors;
340         cfs_time_t              sn_started;
341 } sfw_session_t;
342
343 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
344                                        (sid0).ses_stamp == (sid1).ses_stamp)
345
346 typedef struct {
347         struct list_head        bat_list;       /* chain on sn_batches */
348         lst_bid_t               bat_id;         /* batch id */
349         int                     bat_error;      /* error code of batch */
350         sfw_session_t           *bat_session;   /* batch's session */
351         atomic_t                bat_nactive;    /* # of active tests */
352         struct list_head        bat_tests;      /* test instances */
353 } sfw_batch_t;
354
355 typedef struct {
356         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
357         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test 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
365 typedef 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 operations */
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 unit */
381         struct list_head        tsi_units;      /* test units */
382         struct list_head        tsi_free_rpcs;  /* free rpcs */
383         struct list_head        tsi_active_rpcs;/* active rpcs */
384
385         union {
386                 test_ping_req_t         ping;     /* ping parameter */
387                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
388                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
389         } tsi_u;
390 } sfw_test_instance_t;
391
392 /* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at
393  * the end of pages are not used */
394 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
395 #define SFW_ID_PER_PAGE    (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t))
396 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
397 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
398
399 typedef struct sfw_test_unit {
400         struct list_head        tsu_list;       /* chain on lst_test_instance */
401         lnet_process_id_t       tsu_dest;       /* id of dest node */
402         int                     tsu_loop;       /* loop count of the test */
403         sfw_test_instance_t     *tsu_instance;  /* pointer to test instance */
404         void                    *tsu_private;   /* private data */
405         swi_workitem_t          tsu_worker;     /* workitem of the test unit */
406 } sfw_test_unit_t;
407
408 typedef struct sfw_test_case {
409         struct list_head        tsc_list;               /* chain on fw_tests */
410         srpc_service_t          *tsc_srv_service;       /* test service */
411         sfw_test_client_ops_t   *tsc_cli_ops;           /* ops of test client */
412 } sfw_test_case_t;
413
414 srpc_client_rpc_t *
415 sfw_create_rpc(lnet_process_id_t peer, int service,
416                unsigned features, int nbulkiov, int bulklen,
417                void (*done) (srpc_client_rpc_t *), void *priv);
418 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
419                         lnet_process_id_t peer, unsigned features,
420                         int nblk, int blklen, srpc_client_rpc_t **rpc);
421 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
422 void sfw_post_rpc(srpc_client_rpc_t *rpc);
423 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
424 void sfw_unpack_message(srpc_msg_t *msg);
425 void sfw_free_pages(srpc_server_rpc_t *rpc);
426 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
427 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
428                     int sink);
429 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
430
431 srpc_client_rpc_t *
432 srpc_create_client_rpc(lnet_process_id_t peer, int service,
433                        int nbulkiov, int bulklen,
434                        void (*rpc_done)(srpc_client_rpc_t *),
435                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
436 void srpc_post_rpc(srpc_client_rpc_t *rpc);
437 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
438 void srpc_free_bulk(srpc_bulk_t *bk);
439 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned bulk_npg, unsigned bulk_len,
440                              int sink);
441 int srpc_send_rpc(swi_workitem_t *wi);
442 int srpc_send_reply(srpc_server_rpc_t *rpc);
443 int srpc_add_service(srpc_service_t *sv);
444 int srpc_remove_service(srpc_service_t *sv);
445 void srpc_shutdown_service(srpc_service_t *sv);
446 void srpc_abort_service(srpc_service_t *sv);
447 int srpc_finish_service(srpc_service_t *sv);
448 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
449 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
450 void srpc_get_counters(srpc_counters_t *cnt);
451 void srpc_set_counters(const srpc_counters_t *cnt);
452
453 extern struct cfs_wi_sched *lst_sched_serial;
454 extern struct cfs_wi_sched **lst_sched_test;
455
456 static inline int
457 srpc_serv_is_framework(struct srpc_service *svc)
458 {
459         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
460 }
461
462 static inline int
463 swi_wi_action(cfs_workitem_t *wi)
464 {
465         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
466
467         return swi->swi_action(swi);
468 }
469
470 static inline void
471 swi_init_workitem(swi_workitem_t *swi, void *data,
472                   swi_action_t action, struct cfs_wi_sched *sched)
473 {
474         swi->swi_sched  = sched;
475         swi->swi_action = action;
476         swi->swi_state  = SWI_STATE_NEWBORN;
477         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
478 }
479
480 static inline void
481 swi_schedule_workitem(swi_workitem_t *wi)
482 {
483         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
484 }
485
486 static inline void
487 swi_exit_workitem(swi_workitem_t *swi)
488 {
489         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
490 }
491
492 static inline int
493 swi_deschedule_workitem(swi_workitem_t *swi)
494 {
495         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
496 }
497
498 int sfw_startup(void);
499 int srpc_startup(void);
500 void sfw_shutdown(void);
501 void srpc_shutdown(void);
502
503 static inline void
504 srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
505 {
506         LASSERT (rpc != NULL);
507         LASSERT (!srpc_event_pending(rpc));
508         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
509
510         if (rpc->crpc_fini == NULL) {
511                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
512         } else {
513                 (*rpc->crpc_fini) (rpc);
514         }
515
516         return;
517 }
518
519 static inline void
520 srpc_init_client_rpc(srpc_client_rpc_t *rpc, lnet_process_id_t peer,
521                      int service, int nbulkiov, int bulklen,
522                      void (*rpc_done)(srpc_client_rpc_t *),
523                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
524 {
525         LASSERT(nbulkiov <= LNET_MAX_IOV);
526
527         memset(rpc, 0, offsetof(srpc_client_rpc_t,
528                                 crpc_bulk.bk_iovs[nbulkiov]));
529
530         INIT_LIST_HEAD(&rpc->crpc_list);
531         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
532                           lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
533         spin_lock_init(&rpc->crpc_lock);
534         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
535
536         rpc->crpc_dest         = peer;
537         rpc->crpc_priv         = priv;
538         rpc->crpc_service      = service;
539         rpc->crpc_bulk.bk_len  = bulklen;
540         rpc->crpc_bulk.bk_niov = nbulkiov;
541         rpc->crpc_done         = rpc_done;
542         rpc->crpc_fini         = rpc_fini;
543         LNetInvalidateHandle(&rpc->crpc_reqstmdh);
544         LNetInvalidateHandle(&rpc->crpc_replymdh);
545         LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
546
547         /* no event is expected at this point */
548         rpc->crpc_bulkev.ev_fired  =
549         rpc->crpc_reqstev.ev_fired =
550         rpc->crpc_replyev.ev_fired = 1;
551
552         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
553         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
554         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
555         return;
556 }
557
558 static inline const char *
559 swi_state2str (int state)
560 {
561 #define STATE2STR(x) case x: return #x
562         switch(state) {
563                 default:
564                         LBUG();
565                 STATE2STR(SWI_STATE_NEWBORN);
566                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
567                 STATE2STR(SWI_STATE_REPLY_SENT);
568                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
569                 STATE2STR(SWI_STATE_REQUEST_SENT);
570                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
571                 STATE2STR(SWI_STATE_BULK_STARTED);
572                 STATE2STR(SWI_STATE_DONE);
573         }
574 #undef STATE2STR
575 }
576
577 #define lst_wait_until(cond, lock, fmt, ...)                            \
578 do {                                                                    \
579         int __I = 2;                                                    \
580         while (!(cond)) {                                               \
581                 CDEBUG(IS_PO2(++__I) ? D_WARNING : D_NET,               \
582                        fmt, ## __VA_ARGS__);                            \
583                 spin_unlock(&(lock));                                   \
584                                                                         \
585                 set_current_state(TASK_UNINTERRUPTIBLE);                \
586                 schedule_timeout(cfs_time_seconds(1) / 10);             \
587                                                                         \
588                 spin_lock(&(lock));                                     \
589         }                                                               \
590 } while (0)
591
592 static inline void
593 srpc_wait_service_shutdown(srpc_service_t *sv)
594 {
595         int i = 2;
596
597         LASSERT(sv->sv_shuttingdown);
598
599         while (srpc_finish_service(sv) == 0) {
600                 i++;
601                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
602                        "Waiting for %s service to shutdown...\n",
603                        sv->sv_name);
604                 set_current_state(TASK_UNINTERRUPTIBLE);
605                 schedule_timeout(cfs_time_seconds(1) / 10);
606         }
607 }
608
609 extern sfw_test_client_ops_t ping_test_client;
610 extern srpc_service_t        ping_test_service;
611 void ping_init_test_client(void);
612 void ping_init_test_service(void);
613
614 extern sfw_test_client_ops_t brw_test_client;
615 extern srpc_service_t        brw_test_service;
616 void brw_init_test_client(void);
617 void brw_init_test_service(void);
618
619 #endif /* __SELFTEST_SELFTEST_H__ */