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LU-9575 obdclass: remove cl_for_each defines
[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.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, 2016, 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 <libcfs/libcfs.h>
42 #include <lnet/api.h>
43 #include <lnet/lib-lnet.h>
44 #include <lnet/lib-types.h>
45 #include <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
55 #define SWI_STATE_NEWBORN                  0
56 #define SWI_STATE_REPLY_SUBMITTED          1
57 #define SWI_STATE_REPLY_SENT               2
58 #define SWI_STATE_REQUEST_SUBMITTED        3
59 #define SWI_STATE_REQUEST_SENT             4
60 #define SWI_STATE_REPLY_RECEIVED           5
61 #define SWI_STATE_BULK_STARTED             6
62 #define SWI_STATE_DONE                     10
63
64 /* forward refs */
65 struct srpc_service;
66 struct srpc_service_cd;
67 struct sfw_test_unit;
68 struct sfw_test_instance;
69
70 /* services below SRPC_FRAMEWORK_SERVICE_MAX_ID are framework
71  * services, e.g. create/modify session.
72  */
73 #define SRPC_SERVICE_DEBUG              0
74 #define SRPC_SERVICE_MAKE_SESSION       1
75 #define SRPC_SERVICE_REMOVE_SESSION     2
76 #define SRPC_SERVICE_BATCH              3
77 #define SRPC_SERVICE_TEST               4
78 #define SRPC_SERVICE_QUERY_STAT         5
79 #define SRPC_SERVICE_JOIN               6
80 #define SRPC_FRAMEWORK_SERVICE_MAX_ID   10
81 /* other services start from SRPC_FRAMEWORK_SERVICE_MAX_ID+1 */
82 #define SRPC_SERVICE_BRW                11
83 #define SRPC_SERVICE_PING               12
84 #define SRPC_SERVICE_MAX_ID             12
85
86 #define SRPC_REQUEST_PORTAL             50
87 /* a lazy portal for framework RPC requests */
88 #define SRPC_FRAMEWORK_REQUEST_PORTAL   51
89 /* all reply/bulk RDMAs go to this portal */
90 #define SRPC_RDMA_PORTAL                52
91
92 static inline srpc_msg_type_t
93 srpc_service2request (int service)
94 {
95         switch (service) {
96         default:
97                 LBUG ();
98         case SRPC_SERVICE_DEBUG:
99                 return SRPC_MSG_DEBUG_REQST;
100
101         case SRPC_SERVICE_MAKE_SESSION:
102                 return SRPC_MSG_MKSN_REQST;
103
104         case SRPC_SERVICE_REMOVE_SESSION:
105                 return SRPC_MSG_RMSN_REQST;
106
107         case SRPC_SERVICE_BATCH:
108                 return SRPC_MSG_BATCH_REQST;
109
110         case SRPC_SERVICE_TEST:
111                 return SRPC_MSG_TEST_REQST;
112
113         case SRPC_SERVICE_QUERY_STAT:
114                 return SRPC_MSG_STAT_REQST;
115
116         case SRPC_SERVICE_BRW:
117                 return SRPC_MSG_BRW_REQST;
118
119         case SRPC_SERVICE_PING:
120                 return SRPC_MSG_PING_REQST;
121
122         case SRPC_SERVICE_JOIN:
123                 return SRPC_MSG_JOIN_REQST;
124         }
125 }
126
127 static inline srpc_msg_type_t
128 srpc_service2reply (int service)
129 {
130         return srpc_service2request(service) + 1;
131 }
132
133 typedef enum {
134         SRPC_BULK_REQ_RCVD   = 1, /* passive bulk request(PUT sink/GET source) 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 } srpc_event_type_t;
142
143 /* RPC event */
144 typedef struct {
145         srpc_event_type_t ev_type;   /* what's up */
146         enum lnet_event_kind 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 } srpc_event_t;
151
152 typedef struct {
153         int              bk_len;  /* len of bulk data */
154         struct lnet_handle_md bk_mdh;
155         int              bk_sink; /* sink/source */
156         int              bk_niov; /* # iov in bk_iovs */
157         lnet_kiov_t      bk_iovs[0];
158 } srpc_bulk_t; /* bulk descriptor */
159
160 /* message buffer descriptor */
161 typedef struct srpc_buffer {
162         struct list_head        buf_list; /* chain on srpc_service::*_msgq */
163         srpc_msg_t              buf_msg;
164         struct lnet_handle_md   buf_mdh;
165         lnet_nid_t              buf_self;
166         struct lnet_process_id  buf_peer;
167 } srpc_buffer_t;
168
169 struct swi_workitem;
170 typedef int (*swi_action_t) (struct swi_workitem *);
171
172 typedef struct swi_workitem {
173         struct cfs_wi_sched     *swi_sched;
174         struct cfs_workitem       swi_workitem;
175         swi_action_t         swi_action;
176         int                  swi_state;
177 } swi_workitem_t;
178
179 /* server-side state of a RPC */
180 typedef struct srpc_server_rpc {
181         /* chain on srpc_service::*_rpcq */
182         struct list_head        srpc_list;
183         struct srpc_service_cd *srpc_scd;
184         swi_workitem_t          srpc_wi;
185         srpc_event_t            srpc_ev;        /* bulk/reply event */
186         lnet_nid_t              srpc_self;
187         struct lnet_process_id  srpc_peer;
188         srpc_msg_t              srpc_replymsg;
189         struct lnet_handle_md   srpc_replymdh;
190         srpc_buffer_t           *srpc_reqstbuf;
191         srpc_bulk_t             *srpc_bulk;
192
193         unsigned int    srpc_aborted; /* being given up */
194         int             srpc_status;
195         void            (*srpc_done)(struct srpc_server_rpc *);
196 } srpc_server_rpc_t;
197
198 /* client-side state of a RPC */
199 typedef struct srpc_client_rpc {
200         struct list_head        crpc_list;      /* chain on user's lists */
201         spinlock_t              crpc_lock;      /* serialize */
202         int                     crpc_service;
203         atomic_t                crpc_refcount;
204         /* # seconds to wait for reply */
205         int                     crpc_timeout;
206         stt_timer_t             crpc_timer;
207         swi_workitem_t          crpc_wi;
208         struct lnet_process_id  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         srpc_event_t         crpc_bulkev;    /* bulk event */
221         srpc_event_t         crpc_reqstev;   /* request event */
222         srpc_event_t         crpc_replyev;   /* reply event */
223
224         /* bulk, request(reqst), and reply exchanged on wire */
225         srpc_msg_t           crpc_reqstmsg;
226         srpc_msg_t           crpc_replymsg;
227         struct lnet_handle_md   crpc_reqstmdh;
228         struct lnet_handle_md   crpc_replymdh;
229         srpc_bulk_t          crpc_bulk;
230 } srpc_client_rpc_t;
231
232 #define srpc_client_rpc_size(rpc)                                       \
233 offsetof(srpc_client_rpc_t, 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 == 0 ||  \
255                                    (rpc)->crpc_reqstev.ev_fired == 0 || \
256                                    (rpc)->crpc_replyev.ev_fired == 0)
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         srpc_event_t            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         swi_workitem_t          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 typedef 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) (srpc_server_rpc_t *);
318         int              (*sv_bulk_ready) (srpc_server_rpc_t *, int);
319 } srpc_service_t;
320
321 typedef struct {
322         /* chain on fw_zombie_sessions */
323         struct list_head        sn_list;
324         struct lst_sid          sn_id;          /* unique identifier */
325         /* # seconds' inactivity to expire */
326         unsigned int            sn_timeout;
327         int                     sn_timer_active;
328         unsigned int            sn_features;
329         stt_timer_t             sn_timer;
330         struct list_head        sn_batches;     /* list of batches */
331         char                    sn_name[LST_NAME_SIZE];
332         atomic_t                sn_refcount;
333         atomic_t                sn_brw_errors;
334         atomic_t                sn_ping_errors;
335         cfs_time_t              sn_started;
336 } sfw_session_t;
337
338 #define sfw_sid_equal(sid0, sid1)     ((sid0).ses_nid == (sid1).ses_nid && \
339                                        (sid0).ses_stamp == (sid1).ses_stamp)
340
341 typedef struct {
342         struct list_head        bat_list;       /* chain on sn_batches */
343         struct lst_bid          bat_id;         /* batch id */
344         int                     bat_error;      /* error code of batch */
345         sfw_session_t           *bat_session;   /* batch's session */
346         atomic_t                bat_nactive;    /* # of active tests */
347         struct list_head        bat_tests;      /* test instances */
348 } sfw_batch_t;
349
350 typedef struct {
351         int  (*tso_init)(struct sfw_test_instance *tsi); /* intialize test client */
352         void (*tso_fini)(struct sfw_test_instance *tsi); /* finalize test client */
353         int  (*tso_prep_rpc)(struct sfw_test_unit *tsu,
354                              struct lnet_process_id dest,
355                              srpc_client_rpc_t **rpc);   /* prep a tests rpc */
356         void (*tso_done_rpc)(struct sfw_test_unit *tsu,
357                              srpc_client_rpc_t *rpc);    /* done a test rpc */
358 } sfw_test_client_ops_t;
359
360 typedef struct sfw_test_instance {
361         struct list_head        tsi_list;       /* chain on batch */
362         int                     tsi_service;    /* test type */
363         sfw_batch_t             *tsi_batch;     /* batch */
364         sfw_test_client_ops_t   *tsi_ops;       /* test client operations */
365
366         /* public parameter for all test units */
367         unsigned int            tsi_is_client:1;     /* is test client */
368         unsigned int            tsi_stoptsu_onerr:1; /* stop tsu on error */
369         int                     tsi_concur;          /* concurrency */
370         int                     tsi_loop;            /* loop count */
371
372         /* status of test instance */
373         spinlock_t              tsi_lock;       /* serialize */
374         unsigned int            tsi_stopping:1; /* test is stopping */
375         atomic_t                tsi_nactive;    /* # of active test unit */
376         struct list_head        tsi_units;      /* test units */
377         struct list_head        tsi_free_rpcs;  /* free rpcs */
378         struct list_head        tsi_active_rpcs;/* active rpcs */
379
380         union {
381                 test_ping_req_t         ping;     /* ping parameter */
382                 test_bulk_req_t         bulk_v0;  /* bulk parameter */
383                 test_bulk_req_v1_t      bulk_v1;  /* bulk v1 parameter */
384         } tsi_u;
385 } sfw_test_instance_t;
386
387 /* XXX: trailing (PAGE_SIZE % sizeof(struct lnet_process_id)) bytes at
388  * the end of pages are not used */
389 #define SFW_MAX_CONCUR     LST_MAX_CONCUR
390 #define SFW_ID_PER_PAGE    (PAGE_SIZE / sizeof(struct lnet_process_id_packed))
391 #define SFW_MAX_NDESTS     (LNET_MAX_IOV * SFW_ID_PER_PAGE)
392 #define sfw_id_pages(n)    (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE)
393
394 typedef struct sfw_test_unit {
395         struct list_head        tsu_list;       /* chain on lst_test_instance */
396         struct lnet_process_id  tsu_dest;       /* id of dest node */
397         int                     tsu_loop;       /* loop count of the test */
398         sfw_test_instance_t     *tsu_instance;  /* pointer to test instance */
399         void                    *tsu_private;   /* private data */
400         swi_workitem_t          tsu_worker;     /* workitem of the test unit */
401 } sfw_test_unit_t;
402
403 typedef struct sfw_test_case {
404         struct list_head        tsc_list;               /* chain on fw_tests */
405         srpc_service_t          *tsc_srv_service;       /* test service */
406         sfw_test_client_ops_t   *tsc_cli_ops;           /* ops of test client */
407 } sfw_test_case_t;
408
409 srpc_client_rpc_t *
410 sfw_create_rpc(struct lnet_process_id peer, int service,
411                unsigned features, int nbulkiov, int bulklen,
412                void (*done) (srpc_client_rpc_t *), void *priv);
413 int sfw_create_test_rpc(sfw_test_unit_t *tsu,
414                         struct lnet_process_id peer, unsigned int features,
415                         int nblk, int blklen, srpc_client_rpc_t **rpc);
416 void sfw_abort_rpc(srpc_client_rpc_t *rpc);
417 void sfw_post_rpc(srpc_client_rpc_t *rpc);
418 void sfw_client_rpc_done(srpc_client_rpc_t *rpc);
419 void sfw_unpack_message(srpc_msg_t *msg);
420 void sfw_free_pages(srpc_server_rpc_t *rpc);
421 void sfw_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i);
422 int sfw_alloc_pages(srpc_server_rpc_t *rpc, int cpt, int npages, int len,
423                     int sink);
424 int sfw_make_session (srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply);
425
426 srpc_client_rpc_t *
427 srpc_create_client_rpc(struct lnet_process_id peer, int service,
428                        int nbulkiov, int bulklen,
429                        void (*rpc_done)(srpc_client_rpc_t *),
430                        void (*rpc_fini)(srpc_client_rpc_t *), void *priv);
431 void srpc_post_rpc(srpc_client_rpc_t *rpc);
432 void srpc_abort_rpc(srpc_client_rpc_t *rpc, int why);
433 void srpc_free_bulk(srpc_bulk_t *bk);
434 srpc_bulk_t *srpc_alloc_bulk(int cpt, unsigned off, unsigned bulk_npg,
435                              unsigned bulk_len, int sink);
436 int srpc_send_rpc(swi_workitem_t *wi);
437 int srpc_send_reply(srpc_server_rpc_t *rpc);
438 int srpc_add_service(srpc_service_t *sv);
439 int srpc_remove_service(srpc_service_t *sv);
440 void srpc_shutdown_service(srpc_service_t *sv);
441 void srpc_abort_service(srpc_service_t *sv);
442 int srpc_finish_service(srpc_service_t *sv);
443 int srpc_service_add_buffers(srpc_service_t *sv, int nbuffer);
444 void srpc_service_remove_buffers(srpc_service_t *sv, int nbuffer);
445 void srpc_get_counters(struct srpc_counters *cnt);
446 void srpc_set_counters(const struct srpc_counters *cnt);
447
448 extern struct cfs_wi_sched *lst_sched_serial;
449 extern struct cfs_wi_sched **lst_sched_test;
450
451 static inline int
452 srpc_serv_is_framework(struct srpc_service *svc)
453 {
454         return svc->sv_id < SRPC_FRAMEWORK_SERVICE_MAX_ID;
455 }
456
457 static inline int
458 swi_wi_action(struct cfs_workitem *wi)
459 {
460         swi_workitem_t *swi = container_of(wi, swi_workitem_t, swi_workitem);
461
462         return swi->swi_action(swi);
463 }
464
465 static inline void
466 swi_init_workitem(swi_workitem_t *swi, void *data,
467                   swi_action_t action, struct cfs_wi_sched *sched)
468 {
469         swi->swi_sched  = sched;
470         swi->swi_action = action;
471         swi->swi_state  = SWI_STATE_NEWBORN;
472         cfs_wi_init(&swi->swi_workitem, data, swi_wi_action);
473 }
474
475 static inline void
476 swi_schedule_workitem(swi_workitem_t *wi)
477 {
478         cfs_wi_schedule(wi->swi_sched, &wi->swi_workitem);
479 }
480
481 static inline void
482 swi_exit_workitem(swi_workitem_t *swi)
483 {
484         cfs_wi_exit(swi->swi_sched, &swi->swi_workitem);
485 }
486
487 static inline int
488 swi_deschedule_workitem(swi_workitem_t *swi)
489 {
490         return cfs_wi_deschedule(swi->swi_sched, &swi->swi_workitem);
491 }
492
493 int sfw_startup(void);
494 int srpc_startup(void);
495 void sfw_shutdown(void);
496 void srpc_shutdown(void);
497
498 static inline void
499 srpc_destroy_client_rpc (srpc_client_rpc_t *rpc)
500 {
501         LASSERT (rpc != NULL);
502         LASSERT (!srpc_event_pending(rpc));
503         LASSERT (atomic_read(&rpc->crpc_refcount) == 0);
504
505         if (rpc->crpc_fini == NULL) {
506                 LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
507         } else {
508                 (*rpc->crpc_fini) (rpc);
509         }
510
511         return;
512 }
513
514 static inline void
515 srpc_init_client_rpc(srpc_client_rpc_t *rpc, struct lnet_process_id peer,
516                      int service, int nbulkiov, int bulklen,
517                      void (*rpc_done)(srpc_client_rpc_t *),
518                      void (*rpc_fini)(srpc_client_rpc_t *), void *priv)
519 {
520         LASSERT(nbulkiov <= LNET_MAX_IOV);
521
522         memset(rpc, 0, offsetof(srpc_client_rpc_t,
523                                 crpc_bulk.bk_iovs[nbulkiov]));
524
525         INIT_LIST_HEAD(&rpc->crpc_list);
526         swi_init_workitem(&rpc->crpc_wi, rpc, srpc_send_rpc,
527                           lst_sched_test[lnet_cpt_of_nid(peer.nid, NULL)]);
528         spin_lock_init(&rpc->crpc_lock);
529         atomic_set(&rpc->crpc_refcount, 1); /* 1 ref for caller */
530
531         rpc->crpc_dest         = peer;
532         rpc->crpc_priv         = priv;
533         rpc->crpc_service      = service;
534         rpc->crpc_bulk.bk_len  = bulklen;
535         rpc->crpc_bulk.bk_niov = nbulkiov;
536         rpc->crpc_done         = rpc_done;
537         rpc->crpc_fini         = rpc_fini;
538         LNetInvalidateMDHandle(&rpc->crpc_reqstmdh);
539         LNetInvalidateMDHandle(&rpc->crpc_replymdh);
540         LNetInvalidateMDHandle(&rpc->crpc_bulk.bk_mdh);
541
542         /* no event is expected at this point */
543         rpc->crpc_bulkev.ev_fired  =
544         rpc->crpc_reqstev.ev_fired =
545         rpc->crpc_replyev.ev_fired = 1;
546
547         rpc->crpc_reqstmsg.msg_magic   = SRPC_MSG_MAGIC;
548         rpc->crpc_reqstmsg.msg_version = SRPC_MSG_VERSION;
549         rpc->crpc_reqstmsg.msg_type    = srpc_service2request(service);
550         return;
551 }
552
553 static inline const char *
554 swi_state2str (int state)
555 {
556 #define STATE2STR(x) case x: return #x
557         switch(state) {
558                 default:
559                         LBUG();
560                 STATE2STR(SWI_STATE_NEWBORN);
561                 STATE2STR(SWI_STATE_REPLY_SUBMITTED);
562                 STATE2STR(SWI_STATE_REPLY_SENT);
563                 STATE2STR(SWI_STATE_REQUEST_SUBMITTED);
564                 STATE2STR(SWI_STATE_REQUEST_SENT);
565                 STATE2STR(SWI_STATE_REPLY_RECEIVED);
566                 STATE2STR(SWI_STATE_BULK_STARTED);
567                 STATE2STR(SWI_STATE_DONE);
568         }
569 #undef STATE2STR
570 }
571
572 #define lst_wait_until(cond, lock, fmt, ...)                            \
573 do {                                                                    \
574         int __I = 2;                                                    \
575         while (!(cond)) {                                               \
576                 CDEBUG(is_power_of_2(++__I) ? D_WARNING : D_NET,        \
577                        fmt, ## __VA_ARGS__);                            \
578                 spin_unlock(&(lock));                                   \
579                                                                         \
580                 set_current_state(TASK_UNINTERRUPTIBLE);                \
581                 schedule_timeout(cfs_time_seconds(1) / 10);             \
582                                                                         \
583                 spin_lock(&(lock));                                     \
584         }                                                               \
585 } while (0)
586
587 static inline void
588 srpc_wait_service_shutdown(srpc_service_t *sv)
589 {
590         int i = 2;
591
592         LASSERT(sv->sv_shuttingdown);
593
594         while (srpc_finish_service(sv) == 0) {
595                 i++;
596                 CDEBUG(((i & -i) == i) ? D_WARNING : D_NET,
597                        "Waiting for %s service to shutdown...\n",
598                        sv->sv_name);
599                 set_current_state(TASK_UNINTERRUPTIBLE);
600                 schedule_timeout(cfs_time_seconds(1) / 10);
601         }
602 }
603
604 extern sfw_test_client_ops_t ping_test_client;
605 extern srpc_service_t        ping_test_service;
606 void ping_init_test_client(void);
607 void ping_init_test_service(void);
608
609 extern sfw_test_client_ops_t brw_test_client;
610 extern srpc_service_t        brw_test_service;
611 void brw_init_test_client(void);
612 void brw_init_test_service(void);
613
614 #endif /* __SELFTEST_SELFTEST_H__ */