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.gnu.org/licenses/gpl-2.0.html
19 *
20 * GPL HEADER END
21 */
22 /*
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
25 *
26 * Copyright (c) 2012, Intel Corporation.
27 */
28 /*
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
31 *
32 * lnet/selftest/selftest.h
33 *
34 * Author: Isaac Huang <isaac@clusterfs.com>
35 */
36 #ifndef __SELFTEST_SELFTEST_H__
37 #define __SELFTEST_SELFTEST_H__
38
39 #define LNET_ONLY
40
41 #include "../../include/linux/libcfs/libcfs.h"
42 #include "../../include/linux/lnet/lnet.h"
43 #include "../../include/linux/lnet/lib-lnet.h"
44 #include "../../include/linux/lnet/lib-types.h"
45 #include "../../include/linux/lnet/lnetst.h"
46
47 #include "rpc.h"
48 #include "timer.h"
49
50 #ifndef MADE_WITHOUT_COMPROMISE
51 #define MADE_WITHOUT_COMPROMISE
52 #endif
53
54 #define SWI_STATE_NEWBORN 0
55 #define SWI_STATE_REPLY_SUBMITTED 1
56 #define SWI_STATE_REPLY_SENT 2
57 #define SWI_STATE_REQUEST_SUBMITTED 3
58 #define SWI_STATE_REQUEST_SENT 4
59 #define SWI_STATE_REPLY_RECEIVED 5
60 #define SWI_STATE_BULK_STARTED 6
61 #define SWI_STATE_DONE 10
62
63 /* forward refs */
64 struct srpc_service;
65 struct srpc_service_cd;
66 struct sfw_test_unit;
67 struct sfw_test_instance;
68
69 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
70 * services, e.g. create/modify session.
71 */
72 #define SRPC_SERVICE_DEBUG 0
73 #define SRPC_SERVICE_MAKE_SESSION 1
74 #define SRPC_SERVICE_REMOVE_SESSION 2
75 #define SRPC_SERVICE_BATCH 3
76 #define SRPC_SERVICE_TEST 4
77 #define SRPC_SERVICE_QUERY_STAT 5
78 #define SRPC_SERVICE_JOIN 6
79 #define SRPC_FRAMEWORK_SERVICE_MAX_ID 10
80 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
81 #define SRPC_SERVICE_BRW 11
82 #define SRPC_SERVICE_PING 12
83 #define SRPC_SERVICE_MAX_ID 12
84
85 #define SRPC_REQUEST_PORTAL 50
86 /* a lazy portal for framework RPC requests */
87 #define SRPC_FRAMEWORK_REQUEST_PORTAL 51
88 /* all reply/bulk RDMAs go to this portal */
89 #define SRPC_RDMA_PORTAL 52
90
91 static inline enum srpc_msg_type
srpc_service2request(int service)92 srpc_service2request(int service)
93 {
94 switch (service) {
95 default:
96 LBUG();
97 case SRPC_SERVICE_DEBUG:
98 return SRPC_MSG_DEBUG_REQST;
99
100 case SRPC_SERVICE_MAKE_SESSION:
101 return SRPC_MSG_MKSN_REQST;
102
103 case SRPC_SERVICE_REMOVE_SESSION:
104 return SRPC_MSG_RMSN_REQST;
105
106 case SRPC_SERVICE_BATCH:
107 return SRPC_MSG_BATCH_REQST;
108
109 case SRPC_SERVICE_TEST:
110 return SRPC_MSG_TEST_REQST;
111
112 case SRPC_SERVICE_QUERY_STAT:
113 return SRPC_MSG_STAT_REQST;
114
115 case SRPC_SERVICE_BRW:
116 return SRPC_MSG_BRW_REQST;
117
118 case SRPC_SERVICE_PING:
119 return SRPC_MSG_PING_REQST;
120
121 case SRPC_SERVICE_JOIN:
122 return SRPC_MSG_JOIN_REQST;
123 }
124 }
125
126 static inline enum srpc_msg_type
srpc_service2reply(int service)127 srpc_service2reply(int service)
128 {
129 return srpc_service2request(service) + 1;
130 }
131
132 enum srpc_event_type {
133 SRPC_BULK_REQ_RCVD = 1, /* passive bulk request(PUT sink/GET source)
134 * received */
135 SRPC_BULK_PUT_SENT = 2, /* active bulk PUT sent (source) */
136 SRPC_BULK_GET_RPLD = 3, /* active bulk GET replied (sink) */
137 SRPC_REPLY_RCVD = 4, /* incoming reply received */
138 SRPC_REPLY_SENT = 5, /* outgoing reply sent */
139 SRPC_REQUEST_RCVD = 6, /* incoming request received */
140 SRPC_REQUEST_SENT = 7, /* outgoing request sent */
141 };
142
143 /* RPC event */
144 struct srpc_event {
145 enum srpc_event_type ev_type; /* what's up */
146 lnet_event_kind_t ev_lnet; /* LNet event type */
147 int ev_fired; /* LNet event fired? */
148 int ev_status; /* LNet event status */
149 void *ev_data; /* owning server/client RPC */
150 };
151
152 /* bulk descriptor */
153 struct srpc_bulk {
154 int bk_len; /* len of bulk data */
155 lnet_handle_md_t bk_mdh;
156 int bk_sink; /* sink/source */
157 int bk_niov; /* # iov in bk_iovs */
158 lnet_kiov_t bk_iovs[0];
159 };
160
161 /* message buffer descriptor */
162 struct srpc_buffer {
163 struct list_head buf_list; /* chain on srpc_service::*_msgq */
164 struct srpc_msg buf_msg;
165 lnet_handle_md_t buf_mdh;
166 lnet_nid_t buf_self;
167 lnet_process_id_t buf_peer;
168 };
169
170 struct swi_workitem;
171 typedef int (*swi_action_t) (struct swi_workitem *);
172
173 struct swi_workitem {
174 struct cfs_wi_sched *swi_sched;
175 struct cfs_workitem swi_workitem;
176 swi_action_t swi_action;
177 int swi_state;
178 };
179
180 /* server-side state of a RPC */
181 struct srpc_server_rpc {
182 /* chain on srpc_service::*_rpcq */
183 struct list_head srpc_list;
184 struct srpc_service_cd *srpc_scd;
185 struct swi_workitem srpc_wi;
186 struct srpc_event srpc_ev; /* bulk/reply event */
187 lnet_nid_t srpc_self;
188 lnet_process_id_t srpc_peer;
189 struct srpc_msg srpc_replymsg;
190 lnet_handle_md_t srpc_replymdh;
191 struct srpc_buffer *srpc_reqstbuf;
192 struct srpc_bulk *srpc_bulk;
193
194 unsigned int srpc_aborted; /* being given up */
195 int srpc_status;
196 void (*srpc_done)(struct srpc_server_rpc *);
197 };
198
199 /* client-side state of a RPC */
200 struct srpc_client_rpc {
201 struct list_head crpc_list; /* chain on user's lists */
202 spinlock_t crpc_lock; /* serialize */
203 int crpc_service;
204 atomic_t crpc_refcount;
205 int crpc_timeout; /* # seconds to wait for reply */
206 struct stt_timer crpc_timer;
207 struct swi_workitem crpc_wi;
208 lnet_process_id_t crpc_dest;
209
210 void (*crpc_done)(struct srpc_client_rpc *);
211 void (*crpc_fini)(struct srpc_client_rpc *);
212 int crpc_status; /* completion status */
213 void *crpc_priv; /* caller data */
214
215 /* state flags */
216 unsigned int crpc_aborted:1; /* being given up */
217 unsigned int crpc_closed:1; /* completed */
218
219 /* RPC events */
220 struct srpc_event crpc_bulkev; /* bulk event */
221 struct srpc_event crpc_reqstev; /* request event */
222 struct srpc_event crpc_replyev; /* reply event */
223
224 /* bulk, request(reqst), and reply exchanged on wire */
225 struct srpc_msg crpc_reqstmsg;
226 struct srpc_msg crpc_replymsg;
227 lnet_handle_md_t crpc_reqstmdh;
228 lnet_handle_md_t crpc_replymdh;
229 struct srpc_bulk crpc_bulk;
230 };
231
232 #define srpc_client_rpc_size(rpc) \
233 offsetof(struct srpc_client_rpc, crpc_bulk.bk_iovs[(rpc)->crpc_bulk.bk_niov])
234
235 #define srpc_client_rpc_addref(rpc) \
236 do { \
237 CDEBUG(D_NET, "RPC[%p] -> %s (%d)++\n", \
238 (rpc), libcfs_id2str((rpc)->crpc_dest), \
239 atomic_read(&(rpc)->crpc_refcount)); \
240 LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0); \
241 atomic_inc(&(rpc)->crpc_refcount); \
242 } while (0)
243
244 #define srpc_client_rpc_decref(rpc) \
245 do { \
246 CDEBUG(D_NET, "RPC[%p] -> %s (%d)--\n", \
247 (rpc), libcfs_id2str((rpc)->crpc_dest), \
248 atomic_read(&(rpc)->crpc_refcount)); \
249 LASSERT(atomic_read(&(rpc)->crpc_refcount) > 0); \
250 if (atomic_dec_and_test(&(rpc)->crpc_refcount)) \
251 srpc_destroy_client_rpc(rpc); \
252 } while (0)
253
254 #define srpc_event_pending(rpc) (!(rpc)->crpc_bulkev.ev_fired || \
255 !(rpc)->crpc_reqstev.ev_fired || \
256 !(rpc)->crpc_replyev.ev_fired)
257
258 /* CPU partition data of srpc service */
259 struct srpc_service_cd {
260 /** serialize */
261 spinlock_t scd_lock;
262 /** backref to service */
263 struct srpc_service *scd_svc;
264 /** event buffer */
265 struct srpc_event scd_ev;
266 /** free RPC descriptors */
267 struct list_head scd_rpc_free;
268 /** in-flight RPCs */
269 struct list_head scd_rpc_active;
270 /** workitem for posting buffer */
271 struct swi_workitem scd_buf_wi;
272 /** CPT id */
273 int scd_cpt;
274 /** error code for scd_buf_wi */
275 int scd_buf_err;
276 /** timestamp for scd_buf_err */
277 time64_t scd_buf_err_stamp;
278 /** total # request buffers */
279 int scd_buf_total;
280 /** # posted request buffers */
281 int scd_buf_nposted;
282 /** in progress of buffer posting */
283 int scd_buf_posting;
284 /** allocate more buffers if scd_buf_nposted < scd_buf_low */
285 int scd_buf_low;
286 /** increase/decrease some buffers */
287 int scd_buf_adjust;
288 /** posted message buffers */
289 struct list_head scd_buf_posted;
290 /** blocked for RPC descriptor */
291 struct list_head scd_buf_blocked;
292 };
293
294 /* number of server workitems (mini-thread) for testing service */
295 #define SFW_TEST_WI_MIN 256
296 #define SFW_TEST_WI_MAX 2048
297 /* extra buffers for tolerating buggy peers, or unbalanced number
298 * of peers between partitions */
299 #define SFW_TEST_WI_EXTRA 64
300
301 /* number of server workitems (mini-thread) for framework service */
302 #define SFW_FRWK_WI_MIN 16
303 #define SFW_FRWK_WI_MAX 256
304
305 struct srpc_service {
306 int sv_id; /* service id */
307 const char *sv_name; /* human readable name */
308 int sv_wi_total; /* total server workitems */
309 int sv_shuttingdown;
310 int sv_ncpts;
311 /* percpt data for srpc_service */
312 struct srpc_service_cd **sv_cpt_data;
313 /* Service callbacks:
314 * - sv_handler: process incoming RPC request
315 * - sv_bulk_ready: notify bulk data
316 */
317 int (*sv_handler)(struct srpc_server_rpc *);
318 int (*sv_bulk_ready)(struct srpc_server_rpc *, int);
319 };
320
321 struct sfw_session {
322 struct list_head sn_list; /* chain on fw_zombie_sessions */
323 lst_sid_t sn_id; /* unique identifier */
324 unsigned int sn_timeout; /* # seconds' inactivity to expire */
325 int sn_timer_active;
326 unsigned int sn_features;
327 struct stt_timer sn_timer;
328 struct list_head sn_batches; /* list of batches */
329 char sn_name[LST_NAME_SIZE];
330 atomic_t sn_refcount;
331 atomic_t sn_brw_errors;
332 atomic_t sn_ping_errors;
333 unsigned long sn_started;
334 };
335
336 #define sfw_sid_equal(sid0, sid1) ((sid0).ses_nid == (sid1).ses_nid && \
337 (sid0).ses_stamp == (sid1).ses_stamp)
338
339 struct sfw_batch {
340 struct list_head bat_list; /* chain on sn_batches */
341 lst_bid_t bat_id; /* batch id */
342 int bat_error; /* error code of batch */
343 struct sfw_session *bat_session; /* batch's session */
344 atomic_t bat_nactive; /* # of active tests */
345 struct list_head bat_tests; /* test instances */
346 };
347
348 struct sfw_test_client_ops {
349 int (*tso_init)(struct sfw_test_instance *tsi); /* initialize test
350 * client */
351 void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test
352 * client */
353 int (*tso_prep_rpc)(struct sfw_test_unit *tsu,
354 lnet_process_id_t dest,
355 struct srpc_client_rpc **rpc); /* prep a tests rpc */
356 void (*tso_done_rpc)(struct sfw_test_unit *tsu,
357 struct srpc_client_rpc *rpc); /* done a test rpc */
358 };
359
360 struct sfw_test_instance {
361 struct list_head tsi_list; /* chain on batch */
362 int tsi_service; /* test type */
363 struct sfw_batch *tsi_batch; /* batch */
364 struct sfw_test_client_ops *tsi_ops; /* test client operation
365 */
366
367 /* public parameter for all test units */
368 unsigned int tsi_is_client:1; /* is test client */
369 unsigned int tsi_stoptsu_onerr:1; /* stop tsu on error */
370 int tsi_concur; /* concurrency */
371 int tsi_loop; /* loop count */
372
373 /* status of test instance */
374 spinlock_t tsi_lock; /* serialize */
375 unsigned int tsi_stopping:1; /* test is stopping */
376 atomic_t tsi_nactive; /* # of active test
377 * unit */
378 struct list_head tsi_units; /* test units */
379 struct list_head tsi_free_rpcs; /* free rpcs */
380 struct list_head tsi_active_rpcs; /* active rpcs */
381
382 union {
383 struct test_ping_req ping; /* ping parameter */
384 struct test_bulk_req bulk_v0; /* bulk parameter */
385 struct test_bulk_req_v1 bulk_v1; /* bulk v1 parameter */
386 } tsi_u;
387 };
388
389 /* XXX: trailing (PAGE_SIZE % sizeof(lnet_process_id_t)) bytes at the end of
390 * pages are not used */
391 #define SFW_MAX_CONCUR LST_MAX_CONCUR
392 #define SFW_ID_PER_PAGE (PAGE_SIZE / sizeof(lnet_process_id_packed_t))
393 #define SFW_MAX_NDESTS (LNET_MAX_IOV * SFW_ID_PER_PAGE)
394 #define sfw_id_pages(n) (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
395
396 struct sfw_test_unit {
397 struct list_head tsu_list; /* chain on lst_test_instance */
398 lnet_process_id_t tsu_dest; /* id of dest node */
399 int tsu_loop; /* loop count of the test */
400 struct sfw_test_instance *tsu_instance; /* pointer to test instance */
401 void *tsu_private; /* private data */
402 struct swi_workitem tsu_worker; /* workitem of the test unit */
403 };
404
405 struct sfw_test_case {
406 struct list_head tsc_list; /* chain on fw_tests */
407 struct srpc_service *tsc_srv_service; /* test service */
408 struct sfw_test_client_ops *tsc_cli_ops; /* ops of test client */
409 };
410
411 struct srpc_client_rpc *
412 sfw_create_rpc(lnet_process_id_t peer, int service,
413 unsigned features, int nbulkiov, int bulklen,
414 void (*done)(struct srpc_client_rpc *), void *priv);
415 int sfw_create_test_rpc(struct sfw_test_unit *tsu,
416 lnet_process_id_t peer, unsigned features,
417 int nblk, int blklen, struct srpc_client_rpc **rpc);
418 void sfw_abort_rpc(struct srpc_client_rpc *rpc);
419 void sfw_post_rpc(struct srpc_client_rpc *rpc);
420 void sfw_client_rpc_done(struct srpc_client_rpc *rpc);
421 void sfw_unpack_message(struct srpc_msg *msg);
422 void sfw_free_pages(struct srpc_server_rpc *rpc);
423 void sfw_add_bulk_page(struct srpc_bulk *bk, struct page *pg, int i);
424 int sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
425 int sink);
426 int sfw_make_session(struct srpc_mksn_reqst *request,
427 struct srpc_mksn_reply *reply);
428
429 struct srpc_client_rpc *
430 srpc_create_client_rpc(lnet_process_id_t peer, int service,
431 int nbulkiov, int bulklen,
432 void (*rpc_done)(struct srpc_client_rpc *),
433 void (*rpc_fini)(struct srpc_client_rpc *), void *priv);
434 void srpc_post_rpc(struct srpc_client_rpc *rpc);
435 void srpc_abort_rpc(struct srpc_client_rpc *rpc, int why);
436 void srpc_free_bulk(struct srpc_bulk *bk);
437 struct srpc_bulk *srpc_alloc_bulk(int cpt, unsigned bulk_npg,
438 unsigned bulk_len, int sink);
439 int srpc_send_rpc(struct swi_workitem *wi);
440 int srpc_send_reply(struct srpc_server_rpc *rpc);
441 int srpc_add_service(struct srpc_service *sv);
442 int srpc_remove_service(struct srpc_service *sv);
443 void srpc_shutdown_service(struct srpc_service *sv);
444 void srpc_abort_service(struct srpc_service *sv);
445 int srpc_finish_service(struct srpc_service *sv);
446 int srpc_service_add_buffers(struct srpc_service *sv, int nbuffer);
447 void srpc_service_remove_buffers(struct srpc_service *sv, int nbuffer);
448 void srpc_get_counters(srpc_counters_t *cnt);
449 void srpc_set_counters(const srpc_counters_t *cnt);
450
451 extern struct cfs_wi_sched *lst_sched_serial;
452 extern struct cfs_wi_sched **lst_sched_test;
453
454 static inline int
srpc_serv_is_framework(struct srpc_service * svc)455 srpc_serv_is_framework(struct srpc_service *svc)
456 {
457 return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
458 }
459
460 static inline int
swi_wi_action(struct cfs_workitem * wi)461 swi_wi_action(struct cfs_workitem *wi)
462 {
463 struct swi_workitem *swi;
464
465 swi = container_of(wi, struct swi_workitem, swi_workitem);
466
467 return swi->swi_action(swi);
468 }
469
470 static inline void
swi_init_workitem(struct swi_workitem * swi,void * data,swi_action_t action,struct cfs_wi_sched * sched)471 swi_init_workitem(struct swi_workitem *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
swi_schedule_workitem(struct swi_workitem * wi)481 swi_schedule_workitem(struct swi_workitem *wi)
482 {
483 cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
484 }
485
486 static inline void
swi_exit_workitem(struct swi_workitem * swi)487 swi_exit_workitem(struct swi_workitem *swi)
488 {
489 cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
490 }
491
492 static inline int
swi_deschedule_workitem(struct swi_workitem * swi)493 swi_deschedule_workitem(struct swi_workitem *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
srpc_destroy_client_rpc(struct srpc_client_rpc * rpc)504 srpc_destroy_client_rpc(struct srpc_client_rpc *rpc)
505 {
506 LASSERT(rpc);
507 LASSERT(!srpc_event_pending(rpc));
508 LASSERT(!atomic_read(&rpc->crpc_refcount));
509
510 if (!rpc->crpc_fini)
511 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
512 else
513 (*rpc->crpc_fini)(rpc);
514 }
515
516 static inline void
srpc_init_client_rpc(struct srpc_client_rpc * rpc,lnet_process_id_t peer,int service,int nbulkiov,int bulklen,void (* rpc_done)(struct srpc_client_rpc *),void (* rpc_fini)(struct srpc_client_rpc *),void * priv)517 srpc_init_client_rpc(struct srpc_client_rpc *rpc, lnet_process_id_t peer,
518 int service, int nbulkiov, int bulklen,
519 void (*rpc_done)(struct srpc_client_rpc *),
520 void (*rpc_fini)(struct srpc_client_rpc *), void *priv)
521 {
522 LASSERT(nbulkiov <= LNET_MAX_IOV);
523
524 memset(rpc, 0, offsetof(struct srpc_client_rpc,
525 crpc_bulk.bk_iovs[nbulkiov]));
526
527 INIT_LIST_HEAD(&rpc->crpc_list);
528 swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
529 lst_sched_test[lnet_cpt_of_nid(peer.nid)]);
530 spin_lock_init(&rpc->crpc_lock);
531 atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
532
533 rpc->crpc_dest = peer;
534 rpc->crpc_priv = priv;
535 rpc->crpc_service = service;
536 rpc->crpc_bulk.bk_len = bulklen;
537 rpc->crpc_bulk.bk_niov = nbulkiov;
538 rpc->crpc_done = rpc_done;
539 rpc->crpc_fini = rpc_fini;
540 LNetInvalidateHandle(&rpc->crpc_reqstmdh);
541 LNetInvalidateHandle(&rpc->crpc_replymdh);
542 LNetInvalidateHandle(&rpc->crpc_bulk.bk_mdh);
543
544 /* no event is expected at this point */
545 rpc->crpc_bulkev.ev_fired = 1;
546 rpc->crpc_reqstev.ev_fired = 1;
547 rpc->crpc_replyev.ev_fired = 1;
548
549 rpc->crpc_reqstmsg.msg_magic = SRPC_MSG_MAGIC;
550 rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
551 rpc->crpc_reqstmsg.msg_type = srpc_service2request(service);
552 }
553
554 static inline const char *
swi_state2str(int state)555 swi_state2str(int state)
556 {
557 #define STATE2STR(x) case x: return #x
558 switch (state) {
559 default:
560 LBUG();
561 STATE2STR(SWI_STATE_NEWBORN);
562 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
563 STATE2STR(SWI_STATE_REPLY_SENT);
564 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
565 STATE2STR(SWI_STATE_REQUEST_SENT);
566 STATE2STR(SWI_STATE_REPLY_RECEIVED);
567 STATE2STR(SWI_STATE_BULK_STARTED);
568 STATE2STR(SWI_STATE_DONE);
569 }
570 #undef STATE2STR
571 }
572
573 #define selftest_wait_events() \
574 do { \
575 set_current_state(TASK_UNINTERRUPTIBLE); \
576 schedule_timeout(cfs_time_seconds(1) / 10); \
577 } while (0)
578
579 #define lst_wait_until(cond, lock, fmt, ...) \
580 do { \
581 int __I = 2; \
582 while (!(cond)) { \
583 CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET, \
584 fmt, ## __VA_ARGS__); \
585 spin_unlock(&(lock)); \
586 \
587 selftest_wait_events(); \
588 \
589 spin_lock(&(lock)); \
590 } \
591 } while (0)
592
593 static inline void
srpc_wait_service_shutdown(struct srpc_service * sv)594 srpc_wait_service_shutdown(struct srpc_service *sv)
595 {
596 int i = 2;
597
598 LASSERT(sv->sv_shuttingdown);
599
600 while (!srpc_finish_service(sv)) {
601 i++;
602 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
603 "Waiting for %s service to shutdown...\n",
604 sv->sv_name);
605 selftest_wait_events();
606 }
607 }
608
609 extern struct sfw_test_client_ops brw_test_client;
610 void brw_init_test_client(void);
611
612 extern struct srpc_service brw_test_service;
613 void brw_init_test_service(void);
614
615 extern struct sfw_test_client_ops ping_test_client;
616 void ping_init_test_client(void);
617
618 extern struct srpc_service ping_test_service;
619 void ping_init_test_service(void);
620
621 #endif /* __SELFTEST_SELFTEST_H__ */
622