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d7e09d03 PT |
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 | * | |
20 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
21 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
22 | * have any questions. | |
23 | * | |
24 | * GPL HEADER END | |
25 | */ | |
26 | /* | |
27 | * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. | |
28 | * Use is subject to license terms. | |
29 | * | |
30 | * Copyright (c) 2011, 2012, Intel Corporation. | |
31 | */ | |
32 | /* | |
33 | * This file is part of Lustre, http://www.lustre.org/ | |
34 | * Lustre is a trademark of Sun Microsystems, Inc. | |
35 | * | |
36 | * lnet/selftest/conctl.c | |
37 | * | |
38 | * Console framework rpcs | |
39 | * | |
40 | * Author: Liang Zhen <liang@whamcloud.com> | |
41 | */ | |
42 | ||
43 | ||
9fdaf8c0 GKH |
44 | #include "../../include/linux/libcfs/libcfs.h" |
45 | #include "../../include/linux/lnet/lib-lnet.h" | |
d7e09d03 PT |
46 | #include "timer.h" |
47 | #include "conrpc.h" | |
48 | #include "console.h" | |
49 | ||
50 | void lstcon_rpc_stat_reply(lstcon_rpc_trans_t *, srpc_msg_t *, | |
51 | lstcon_node_t *, lstcon_trans_stat_t *); | |
52 | ||
53 | static void | |
54 | lstcon_rpc_done(srpc_client_rpc_t *rpc) | |
55 | { | |
56 | lstcon_rpc_t *crpc = (lstcon_rpc_t *)rpc->crpc_priv; | |
57 | ||
58 | LASSERT(crpc != NULL && rpc == crpc->crp_rpc); | |
59 | LASSERT(crpc->crp_posted && !crpc->crp_finished); | |
60 | ||
61 | spin_lock(&rpc->crpc_lock); | |
62 | ||
63 | if (crpc->crp_trans == NULL) { | |
64 | /* Orphan RPC is not in any transaction, | |
65 | * I'm just a poor body and nobody loves me */ | |
66 | spin_unlock(&rpc->crpc_lock); | |
67 | ||
68 | /* release it */ | |
69 | lstcon_rpc_put(crpc); | |
70 | return; | |
71 | } | |
72 | ||
73 | /* not an orphan RPC */ | |
74 | crpc->crp_finished = 1; | |
75 | ||
76 | if (crpc->crp_stamp == 0) { | |
77 | /* not aborted */ | |
4d72b5af | 78 | LASSERT(crpc->crp_status == 0); |
d7e09d03 PT |
79 | |
80 | crpc->crp_stamp = cfs_time_current(); | |
81 | crpc->crp_status = rpc->crpc_status; | |
82 | } | |
83 | ||
84 | /* wakeup (transaction)thread if I'm the last RPC in the transaction */ | |
85 | if (atomic_dec_and_test(&crpc->crp_trans->tas_remaining)) | |
86 | wake_up(&crpc->crp_trans->tas_waitq); | |
87 | ||
88 | spin_unlock(&rpc->crpc_lock); | |
89 | } | |
90 | ||
91 | int | |
92 | lstcon_rpc_init(lstcon_node_t *nd, int service, unsigned feats, | |
93 | int bulk_npg, int bulk_len, int embedded, lstcon_rpc_t *crpc) | |
94 | { | |
95 | crpc->crp_rpc = sfw_create_rpc(nd->nd_id, service, | |
96 | feats, bulk_npg, bulk_len, | |
97 | lstcon_rpc_done, (void *)crpc); | |
98 | if (crpc->crp_rpc == NULL) | |
99 | return -ENOMEM; | |
100 | ||
101 | crpc->crp_trans = NULL; | |
102 | crpc->crp_node = nd; | |
103 | crpc->crp_posted = 0; | |
104 | crpc->crp_finished = 0; | |
105 | crpc->crp_unpacked = 0; | |
106 | crpc->crp_status = 0; | |
107 | crpc->crp_stamp = 0; | |
108 | crpc->crp_embedded = embedded; | |
109 | INIT_LIST_HEAD(&crpc->crp_link); | |
110 | ||
111 | atomic_inc(&console_session.ses_rpc_counter); | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
116 | int | |
117 | lstcon_rpc_prep(lstcon_node_t *nd, int service, unsigned feats, | |
118 | int bulk_npg, int bulk_len, lstcon_rpc_t **crpcpp) | |
119 | { | |
120 | lstcon_rpc_t *crpc = NULL; | |
121 | int rc; | |
122 | ||
123 | spin_lock(&console_session.ses_rpc_lock); | |
124 | ||
125 | if (!list_empty(&console_session.ses_rpc_freelist)) { | |
126 | crpc = list_entry(console_session.ses_rpc_freelist.next, | |
127 | lstcon_rpc_t, crp_link); | |
128 | list_del_init(&crpc->crp_link); | |
129 | } | |
130 | ||
131 | spin_unlock(&console_session.ses_rpc_lock); | |
132 | ||
133 | if (crpc == NULL) { | |
134 | LIBCFS_ALLOC(crpc, sizeof(*crpc)); | |
135 | if (crpc == NULL) | |
136 | return -ENOMEM; | |
137 | } | |
138 | ||
139 | rc = lstcon_rpc_init(nd, service, feats, bulk_npg, bulk_len, 0, crpc); | |
140 | if (rc == 0) { | |
141 | *crpcpp = crpc; | |
142 | return 0; | |
143 | } | |
144 | ||
145 | LIBCFS_FREE(crpc, sizeof(*crpc)); | |
146 | ||
147 | return rc; | |
148 | } | |
149 | ||
150 | void | |
151 | lstcon_rpc_put(lstcon_rpc_t *crpc) | |
152 | { | |
153 | srpc_bulk_t *bulk = &crpc->crp_rpc->crpc_bulk; | |
154 | int i; | |
155 | ||
4d72b5af | 156 | LASSERT(list_empty(&crpc->crp_link)); |
d7e09d03 PT |
157 | |
158 | for (i = 0; i < bulk->bk_niov; i++) { | |
159 | if (bulk->bk_iovs[i].kiov_page == NULL) | |
160 | continue; | |
161 | ||
162 | __free_page(bulk->bk_iovs[i].kiov_page); | |
163 | } | |
164 | ||
165 | srpc_client_rpc_decref(crpc->crp_rpc); | |
166 | ||
167 | if (crpc->crp_embedded) { | |
168 | /* embedded RPC, don't recycle it */ | |
169 | memset(crpc, 0, sizeof(*crpc)); | |
170 | crpc->crp_embedded = 1; | |
171 | ||
172 | } else { | |
173 | spin_lock(&console_session.ses_rpc_lock); | |
174 | ||
175 | list_add(&crpc->crp_link, | |
176 | &console_session.ses_rpc_freelist); | |
177 | ||
178 | spin_unlock(&console_session.ses_rpc_lock); | |
179 | } | |
180 | ||
181 | /* RPC is not alive now */ | |
182 | atomic_dec(&console_session.ses_rpc_counter); | |
183 | } | |
184 | ||
185 | void | |
186 | lstcon_rpc_post(lstcon_rpc_t *crpc) | |
187 | { | |
188 | lstcon_rpc_trans_t *trans = crpc->crp_trans; | |
189 | ||
4d72b5af | 190 | LASSERT(trans != NULL); |
d7e09d03 PT |
191 | |
192 | atomic_inc(&trans->tas_remaining); | |
193 | crpc->crp_posted = 1; | |
194 | ||
195 | sfw_post_rpc(crpc->crp_rpc); | |
196 | } | |
197 | ||
198 | static char * | |
199 | lstcon_rpc_trans_name(int transop) | |
200 | { | |
201 | if (transop == LST_TRANS_SESNEW) | |
202 | return "SESNEW"; | |
203 | ||
204 | if (transop == LST_TRANS_SESEND) | |
205 | return "SESEND"; | |
206 | ||
207 | if (transop == LST_TRANS_SESQRY) | |
208 | return "SESQRY"; | |
209 | ||
210 | if (transop == LST_TRANS_SESPING) | |
211 | return "SESPING"; | |
212 | ||
213 | if (transop == LST_TRANS_TSBCLIADD) | |
214 | return "TSBCLIADD"; | |
215 | ||
216 | if (transop == LST_TRANS_TSBSRVADD) | |
217 | return "TSBSRVADD"; | |
218 | ||
219 | if (transop == LST_TRANS_TSBRUN) | |
220 | return "TSBRUN"; | |
221 | ||
222 | if (transop == LST_TRANS_TSBSTOP) | |
223 | return "TSBSTOP"; | |
224 | ||
225 | if (transop == LST_TRANS_TSBCLIQRY) | |
226 | return "TSBCLIQRY"; | |
227 | ||
228 | if (transop == LST_TRANS_TSBSRVQRY) | |
229 | return "TSBSRVQRY"; | |
230 | ||
231 | if (transop == LST_TRANS_STATQRY) | |
232 | return "STATQRY"; | |
233 | ||
234 | return "Unknown"; | |
235 | } | |
236 | ||
237 | int | |
238 | lstcon_rpc_trans_prep(struct list_head *translist, | |
239 | int transop, lstcon_rpc_trans_t **transpp) | |
240 | { | |
241 | lstcon_rpc_trans_t *trans; | |
242 | ||
243 | if (translist != NULL) { | |
244 | list_for_each_entry(trans, translist, tas_link) { | |
245 | /* Can't enqueue two private transaction on | |
246 | * the same object */ | |
247 | if ((trans->tas_opc & transop) == LST_TRANS_PRIVATE) | |
248 | return -EPERM; | |
249 | } | |
250 | } | |
251 | ||
252 | /* create a trans group */ | |
253 | LIBCFS_ALLOC(trans, sizeof(*trans)); | |
254 | if (trans == NULL) | |
255 | return -ENOMEM; | |
256 | ||
257 | trans->tas_opc = transop; | |
258 | ||
259 | if (translist == NULL) | |
260 | INIT_LIST_HEAD(&trans->tas_olink); | |
261 | else | |
262 | list_add_tail(&trans->tas_olink, translist); | |
263 | ||
264 | list_add_tail(&trans->tas_link, &console_session.ses_trans_list); | |
265 | ||
266 | INIT_LIST_HEAD(&trans->tas_rpcs_list); | |
267 | atomic_set(&trans->tas_remaining, 0); | |
268 | init_waitqueue_head(&trans->tas_waitq); | |
269 | ||
270 | spin_lock(&console_session.ses_rpc_lock); | |
271 | trans->tas_features = console_session.ses_features; | |
272 | spin_unlock(&console_session.ses_rpc_lock); | |
273 | ||
274 | *transpp = trans; | |
275 | return 0; | |
276 | } | |
277 | ||
278 | void | |
279 | lstcon_rpc_trans_addreq(lstcon_rpc_trans_t *trans, lstcon_rpc_t *crpc) | |
280 | { | |
281 | list_add_tail(&crpc->crp_link, &trans->tas_rpcs_list); | |
282 | crpc->crp_trans = trans; | |
283 | } | |
284 | ||
285 | void | |
286 | lstcon_rpc_trans_abort(lstcon_rpc_trans_t *trans, int error) | |
287 | { | |
288 | srpc_client_rpc_t *rpc; | |
289 | lstcon_rpc_t *crpc; | |
290 | lstcon_node_t *nd; | |
291 | ||
4d72b5af | 292 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { |
d7e09d03 PT |
293 | rpc = crpc->crp_rpc; |
294 | ||
295 | spin_lock(&rpc->crpc_lock); | |
296 | ||
297 | if (!crpc->crp_posted || /* not posted */ | |
298 | crpc->crp_stamp != 0) { /* rpc done or aborted already */ | |
299 | if (crpc->crp_stamp == 0) { | |
300 | crpc->crp_stamp = cfs_time_current(); | |
301 | crpc->crp_status = -EINTR; | |
302 | } | |
303 | spin_unlock(&rpc->crpc_lock); | |
304 | continue; | |
305 | } | |
306 | ||
307 | crpc->crp_stamp = cfs_time_current(); | |
308 | crpc->crp_status = error; | |
309 | ||
310 | spin_unlock(&rpc->crpc_lock); | |
311 | ||
312 | sfw_abort_rpc(rpc); | |
313 | ||
f02e0156 | 314 | if (error != ETIMEDOUT) |
d7e09d03 PT |
315 | continue; |
316 | ||
317 | nd = crpc->crp_node; | |
318 | if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp)) | |
319 | continue; | |
320 | ||
321 | nd->nd_stamp = crpc->crp_stamp; | |
322 | nd->nd_state = LST_NODE_DOWN; | |
323 | } | |
324 | } | |
325 | ||
326 | static int | |
327 | lstcon_rpc_trans_check(lstcon_rpc_trans_t *trans) | |
328 | { | |
329 | if (console_session.ses_shutdown && | |
330 | !list_empty(&trans->tas_olink)) /* Not an end session RPC */ | |
331 | return 1; | |
332 | ||
98d1bbdd | 333 | return (atomic_read(&trans->tas_remaining) == 0) ? 1 : 0; |
d7e09d03 PT |
334 | } |
335 | ||
336 | int | |
337 | lstcon_rpc_trans_postwait(lstcon_rpc_trans_t *trans, int timeout) | |
338 | { | |
339 | lstcon_rpc_t *crpc; | |
340 | int rc; | |
341 | ||
342 | if (list_empty(&trans->tas_rpcs_list)) | |
343 | return 0; | |
344 | ||
345 | if (timeout < LST_TRANS_MIN_TIMEOUT) | |
346 | timeout = LST_TRANS_MIN_TIMEOUT; | |
347 | ||
348 | CDEBUG(D_NET, "Transaction %s started\n", | |
349 | lstcon_rpc_trans_name(trans->tas_opc)); | |
350 | ||
351 | /* post all requests */ | |
4d72b5af RK |
352 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { |
353 | LASSERT(!crpc->crp_posted); | |
d7e09d03 PT |
354 | |
355 | lstcon_rpc_post(crpc); | |
356 | } | |
357 | ||
358 | mutex_unlock(&console_session.ses_mutex); | |
359 | ||
360 | rc = wait_event_interruptible_timeout(trans->tas_waitq, | |
361 | lstcon_rpc_trans_check(trans), | |
362 | cfs_time_seconds(timeout)); | |
363 | rc = (rc > 0) ? 0 : ((rc < 0) ? -EINTR : -ETIMEDOUT); | |
364 | ||
365 | mutex_lock(&console_session.ses_mutex); | |
366 | ||
367 | if (console_session.ses_shutdown) | |
368 | rc = -ESHUTDOWN; | |
369 | ||
370 | if (rc != 0 || atomic_read(&trans->tas_remaining) != 0) { | |
371 | /* treat short timeout as canceled */ | |
372 | if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2) | |
373 | rc = -EINTR; | |
374 | ||
375 | lstcon_rpc_trans_abort(trans, rc); | |
376 | } | |
377 | ||
378 | CDEBUG(D_NET, "Transaction %s stopped: %d\n", | |
379 | lstcon_rpc_trans_name(trans->tas_opc), rc); | |
380 | ||
381 | lstcon_rpc_trans_stat(trans, lstcon_trans_stat()); | |
382 | ||
383 | return rc; | |
384 | } | |
385 | ||
386 | int | |
387 | lstcon_rpc_get_reply(lstcon_rpc_t *crpc, srpc_msg_t **msgpp) | |
388 | { | |
389 | lstcon_node_t *nd = crpc->crp_node; | |
390 | srpc_client_rpc_t *rpc = crpc->crp_rpc; | |
391 | srpc_generic_reply_t *rep; | |
392 | ||
4d72b5af RK |
393 | LASSERT(nd != NULL && rpc != NULL); |
394 | LASSERT(crpc->crp_stamp != 0); | |
d7e09d03 PT |
395 | |
396 | if (crpc->crp_status != 0) { | |
397 | *msgpp = NULL; | |
398 | return crpc->crp_status; | |
399 | } | |
400 | ||
401 | *msgpp = &rpc->crpc_replymsg; | |
402 | if (!crpc->crp_unpacked) { | |
403 | sfw_unpack_message(*msgpp); | |
404 | crpc->crp_unpacked = 1; | |
405 | } | |
406 | ||
407 | if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp)) | |
408 | return 0; | |
409 | ||
410 | nd->nd_stamp = crpc->crp_stamp; | |
411 | rep = &(*msgpp)->msg_body.reply; | |
412 | ||
413 | if (rep->sid.ses_nid == LNET_NID_ANY) | |
414 | nd->nd_state = LST_NODE_UNKNOWN; | |
415 | else if (lstcon_session_match(rep->sid)) | |
416 | nd->nd_state = LST_NODE_ACTIVE; | |
417 | else | |
418 | nd->nd_state = LST_NODE_BUSY; | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
423 | void | |
424 | lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat) | |
425 | { | |
426 | lstcon_rpc_t *crpc; | |
427 | srpc_msg_t *rep; | |
428 | int error; | |
429 | ||
4d72b5af | 430 | LASSERT(stat != NULL); |
d7e09d03 PT |
431 | |
432 | memset(stat, 0, sizeof(*stat)); | |
433 | ||
434 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { | |
435 | lstcon_rpc_stat_total(stat, 1); | |
436 | ||
4d72b5af | 437 | LASSERT(crpc->crp_stamp != 0); |
d7e09d03 PT |
438 | |
439 | error = lstcon_rpc_get_reply(crpc, &rep); | |
440 | if (error != 0) { | |
441 | lstcon_rpc_stat_failure(stat, 1); | |
442 | if (stat->trs_rpc_errno == 0) | |
443 | stat->trs_rpc_errno = -error; | |
444 | ||
445 | continue; | |
446 | } | |
447 | ||
448 | lstcon_rpc_stat_success(stat, 1); | |
449 | ||
450 | lstcon_rpc_stat_reply(trans, rep, crpc->crp_node, stat); | |
451 | } | |
452 | ||
453 | if (trans->tas_opc == LST_TRANS_SESNEW && stat->trs_fwk_errno == 0) { | |
454 | stat->trs_fwk_errno = | |
455 | lstcon_session_feats_check(trans->tas_features); | |
456 | } | |
457 | ||
eac2e8c6 | 458 | CDEBUG(D_NET, "transaction %s : success %d, failure %d, total %d, RPC error(%d), Framework error(%d)\n", |
d7e09d03 PT |
459 | lstcon_rpc_trans_name(trans->tas_opc), |
460 | lstcon_rpc_stat_success(stat, 0), | |
461 | lstcon_rpc_stat_failure(stat, 0), | |
462 | lstcon_rpc_stat_total(stat, 0), | |
463 | stat->trs_rpc_errno, stat->trs_fwk_errno); | |
464 | ||
465 | return; | |
466 | } | |
467 | ||
468 | int | |
469 | lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans, | |
470 | struct list_head *head_up, | |
471 | lstcon_rpc_readent_func_t readent) | |
472 | { | |
473 | struct list_head tmp; | |
474 | struct list_head *next; | |
475 | lstcon_rpc_ent_t *ent; | |
476 | srpc_generic_reply_t *rep; | |
477 | lstcon_rpc_t *crpc; | |
478 | srpc_msg_t *msg; | |
479 | lstcon_node_t *nd; | |
480 | cfs_duration_t dur; | |
481 | struct timeval tv; | |
482 | int error; | |
483 | ||
4d72b5af | 484 | LASSERT(head_up != NULL); |
d7e09d03 PT |
485 | |
486 | next = head_up; | |
487 | ||
488 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { | |
489 | if (copy_from_user(&tmp, next, | |
490 | sizeof(struct list_head))) | |
491 | return -EFAULT; | |
492 | ||
493 | if (tmp.next == head_up) | |
494 | return 0; | |
495 | ||
496 | next = tmp.next; | |
497 | ||
498 | ent = list_entry(next, lstcon_rpc_ent_t, rpe_link); | |
499 | ||
4d72b5af | 500 | LASSERT(crpc->crp_stamp != 0); |
d7e09d03 PT |
501 | |
502 | error = lstcon_rpc_get_reply(crpc, &msg); | |
503 | ||
504 | nd = crpc->crp_node; | |
505 | ||
506 | dur = (cfs_duration_t)cfs_time_sub(crpc->crp_stamp, | |
507 | (cfs_time_t)console_session.ses_id.ses_stamp); | |
508 | cfs_duration_usec(dur, &tv); | |
509 | ||
510 | if (copy_to_user(&ent->rpe_peer, | |
511 | &nd->nd_id, sizeof(lnet_process_id_t)) || | |
512 | copy_to_user(&ent->rpe_stamp, &tv, sizeof(tv)) || | |
513 | copy_to_user(&ent->rpe_state, | |
514 | &nd->nd_state, sizeof(nd->nd_state)) || | |
515 | copy_to_user(&ent->rpe_rpc_errno, &error, | |
516 | sizeof(error))) | |
517 | return -EFAULT; | |
518 | ||
519 | if (error != 0) | |
520 | continue; | |
521 | ||
522 | /* RPC is done */ | |
523 | rep = (srpc_generic_reply_t *)&msg->msg_body.reply; | |
524 | ||
525 | if (copy_to_user(&ent->rpe_sid, | |
526 | &rep->sid, sizeof(lst_sid_t)) || | |
527 | copy_to_user(&ent->rpe_fwk_errno, | |
528 | &rep->status, sizeof(rep->status))) | |
529 | return -EFAULT; | |
530 | ||
531 | if (readent == NULL) | |
532 | continue; | |
533 | ||
b0834c87 RK |
534 | error = readent(trans->tas_opc, msg, ent); |
535 | ||
536 | if (error != 0) | |
d7e09d03 PT |
537 | return error; |
538 | } | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | void | |
544 | lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans) | |
545 | { | |
546 | srpc_client_rpc_t *rpc; | |
547 | lstcon_rpc_t *crpc; | |
548 | lstcon_rpc_t *tmp; | |
549 | int count = 0; | |
550 | ||
551 | list_for_each_entry_safe(crpc, tmp, &trans->tas_rpcs_list, | |
552 | crp_link) { | |
553 | rpc = crpc->crp_rpc; | |
554 | ||
555 | spin_lock(&rpc->crpc_lock); | |
556 | ||
557 | /* free it if not posted or finished already */ | |
558 | if (!crpc->crp_posted || crpc->crp_finished) { | |
559 | spin_unlock(&rpc->crpc_lock); | |
560 | ||
561 | list_del_init(&crpc->crp_link); | |
562 | lstcon_rpc_put(crpc); | |
563 | ||
564 | continue; | |
565 | } | |
566 | ||
567 | /* rpcs can be still not callbacked (even LNetMDUnlink is called) | |
568 | * because huge timeout for inaccessible network, don't make | |
569 | * user wait for them, just abandon them, they will be recycled | |
570 | * in callback */ | |
571 | ||
4d72b5af | 572 | LASSERT(crpc->crp_status != 0); |
d7e09d03 PT |
573 | |
574 | crpc->crp_node = NULL; | |
575 | crpc->crp_trans = NULL; | |
576 | list_del_init(&crpc->crp_link); | |
fc831a90 | 577 | count++; |
d7e09d03 PT |
578 | |
579 | spin_unlock(&rpc->crpc_lock); | |
580 | ||
581 | atomic_dec(&trans->tas_remaining); | |
582 | } | |
583 | ||
4d72b5af | 584 | LASSERT(atomic_read(&trans->tas_remaining) == 0); |
d7e09d03 PT |
585 | |
586 | list_del(&trans->tas_link); | |
587 | if (!list_empty(&trans->tas_olink)) | |
588 | list_del(&trans->tas_olink); | |
589 | ||
590 | CDEBUG(D_NET, "Transaction %s destroyed with %d pending RPCs\n", | |
591 | lstcon_rpc_trans_name(trans->tas_opc), count); | |
592 | ||
593 | LIBCFS_FREE(trans, sizeof(*trans)); | |
594 | ||
595 | return; | |
596 | } | |
597 | ||
598 | int | |
599 | lstcon_sesrpc_prep(lstcon_node_t *nd, int transop, | |
600 | unsigned feats, lstcon_rpc_t **crpc) | |
601 | { | |
602 | srpc_mksn_reqst_t *msrq; | |
603 | srpc_rmsn_reqst_t *rsrq; | |
604 | int rc; | |
605 | ||
606 | switch (transop) { | |
607 | case LST_TRANS_SESNEW: | |
608 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION, | |
609 | feats, 0, 0, crpc); | |
610 | if (rc != 0) | |
611 | return rc; | |
612 | ||
613 | msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst; | |
614 | msrq->mksn_sid = console_session.ses_id; | |
615 | msrq->mksn_force = console_session.ses_force; | |
616 | strncpy(msrq->mksn_name, console_session.ses_name, | |
617 | strlen(console_session.ses_name)); | |
618 | break; | |
619 | ||
620 | case LST_TRANS_SESEND: | |
621 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION, | |
622 | feats, 0, 0, crpc); | |
623 | if (rc != 0) | |
624 | return rc; | |
625 | ||
626 | rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst; | |
627 | rsrq->rmsn_sid = console_session.ses_id; | |
628 | break; | |
629 | ||
630 | default: | |
631 | LBUG(); | |
632 | } | |
633 | ||
634 | return 0; | |
635 | } | |
636 | ||
637 | int | |
638 | lstcon_dbgrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc) | |
639 | { | |
640 | srpc_debug_reqst_t *drq; | |
641 | int rc; | |
642 | ||
643 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, feats, 0, 0, crpc); | |
644 | if (rc != 0) | |
645 | return rc; | |
646 | ||
647 | drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst; | |
648 | ||
649 | drq->dbg_sid = console_session.ses_id; | |
650 | drq->dbg_flags = 0; | |
651 | ||
652 | return rc; | |
653 | } | |
654 | ||
655 | int | |
656 | lstcon_batrpc_prep(lstcon_node_t *nd, int transop, unsigned feats, | |
657 | lstcon_tsb_hdr_t *tsb, lstcon_rpc_t **crpc) | |
658 | { | |
659 | lstcon_batch_t *batch; | |
660 | srpc_batch_reqst_t *brq; | |
661 | int rc; | |
662 | ||
663 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, feats, 0, 0, crpc); | |
664 | if (rc != 0) | |
665 | return rc; | |
666 | ||
667 | brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst; | |
668 | ||
669 | brq->bar_sid = console_session.ses_id; | |
670 | brq->bar_bid = tsb->tsb_id; | |
671 | brq->bar_testidx = tsb->tsb_index; | |
672 | brq->bar_opc = transop == LST_TRANS_TSBRUN ? SRPC_BATCH_OPC_RUN : | |
98d1bbdd | 673 | (transop == LST_TRANS_TSBSTOP ? SRPC_BATCH_OPC_STOP : |
d7e09d03 PT |
674 | SRPC_BATCH_OPC_QUERY); |
675 | ||
676 | if (transop != LST_TRANS_TSBRUN && | |
677 | transop != LST_TRANS_TSBSTOP) | |
678 | return 0; | |
679 | ||
4d72b5af | 680 | LASSERT(tsb->tsb_index == 0); |
d7e09d03 PT |
681 | |
682 | batch = (lstcon_batch_t *)tsb; | |
683 | brq->bar_arg = batch->bat_arg; | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
688 | int | |
689 | lstcon_statrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc) | |
690 | { | |
691 | srpc_stat_reqst_t *srq; | |
692 | int rc; | |
693 | ||
694 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, feats, 0, 0, crpc); | |
695 | if (rc != 0) | |
696 | return rc; | |
697 | ||
698 | srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst; | |
699 | ||
700 | srq->str_sid = console_session.ses_id; | |
701 | srq->str_type = 0; /* XXX remove it */ | |
702 | ||
703 | return 0; | |
704 | } | |
705 | ||
706 | lnet_process_id_packed_t * | |
707 | lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov) | |
708 | { | |
709 | lnet_process_id_packed_t *pid; | |
710 | int i; | |
711 | ||
712 | i = idx / SFW_ID_PER_PAGE; | |
713 | ||
4d72b5af | 714 | LASSERT(i < nkiov); |
d7e09d03 PT |
715 | |
716 | pid = (lnet_process_id_packed_t *)page_address(kiov[i].kiov_page); | |
717 | ||
718 | return &pid[idx % SFW_ID_PER_PAGE]; | |
719 | } | |
720 | ||
721 | int | |
722 | lstcon_dstnodes_prep(lstcon_group_t *grp, int idx, | |
723 | int dist, int span, int nkiov, lnet_kiov_t *kiov) | |
724 | { | |
725 | lnet_process_id_packed_t *pid; | |
726 | lstcon_ndlink_t *ndl; | |
727 | lstcon_node_t *nd; | |
728 | int start; | |
729 | int end; | |
730 | int i = 0; | |
731 | ||
4d72b5af RK |
732 | LASSERT(dist >= 1); |
733 | LASSERT(span >= 1); | |
734 | LASSERT(grp->grp_nnode >= 1); | |
d7e09d03 PT |
735 | |
736 | if (span > grp->grp_nnode) | |
737 | return -EINVAL; | |
738 | ||
739 | start = ((idx / dist) * span) % grp->grp_nnode; | |
740 | end = ((idx / dist) * span + span - 1) % grp->grp_nnode; | |
741 | ||
742 | list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) { | |
743 | nd = ndl->ndl_node; | |
744 | if (i < start) { | |
fc831a90 | 745 | i++; |
d7e09d03 PT |
746 | continue; |
747 | } | |
748 | ||
98d1bbdd | 749 | if (i > (end >= start ? end : grp->grp_nnode)) |
d7e09d03 PT |
750 | break; |
751 | ||
752 | pid = lstcon_next_id((i - start), nkiov, kiov); | |
753 | pid->nid = nd->nd_id.nid; | |
754 | pid->pid = nd->nd_id.pid; | |
755 | i++; | |
756 | } | |
757 | ||
758 | if (start <= end) /* done */ | |
759 | return 0; | |
760 | ||
761 | list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) { | |
762 | if (i > grp->grp_nnode + end) | |
763 | break; | |
764 | ||
765 | nd = ndl->ndl_node; | |
766 | pid = lstcon_next_id((i - start), nkiov, kiov); | |
767 | pid->nid = nd->nd_id.nid; | |
768 | pid->pid = nd->nd_id.pid; | |
769 | i++; | |
770 | } | |
771 | ||
772 | return 0; | |
773 | } | |
774 | ||
775 | int | |
776 | lstcon_pingrpc_prep(lst_test_ping_param_t *param, srpc_test_reqst_t *req) | |
777 | { | |
778 | test_ping_req_t *prq = &req->tsr_u.ping; | |
779 | ||
780 | prq->png_size = param->png_size; | |
781 | prq->png_flags = param->png_flags; | |
782 | /* TODO dest */ | |
783 | return 0; | |
784 | } | |
785 | ||
786 | int | |
787 | lstcon_bulkrpc_v0_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req) | |
788 | { | |
789 | test_bulk_req_t *brq = &req->tsr_u.bulk_v0; | |
790 | ||
791 | brq->blk_opc = param->blk_opc; | |
792 | brq->blk_npg = (param->blk_size + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE; | |
793 | brq->blk_flags = param->blk_flags; | |
794 | ||
795 | return 0; | |
796 | } | |
797 | ||
798 | int | |
799 | lstcon_bulkrpc_v1_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req) | |
800 | { | |
801 | test_bulk_req_v1_t *brq = &req->tsr_u.bulk_v1; | |
802 | ||
803 | brq->blk_opc = param->blk_opc; | |
804 | brq->blk_flags = param->blk_flags; | |
805 | brq->blk_len = param->blk_size; | |
806 | brq->blk_offset = 0; /* reserved */ | |
807 | ||
808 | return 0; | |
809 | } | |
810 | ||
811 | int | |
812 | lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats, | |
813 | lstcon_test_t *test, lstcon_rpc_t **crpc) | |
814 | { | |
815 | lstcon_group_t *sgrp = test->tes_src_grp; | |
816 | lstcon_group_t *dgrp = test->tes_dst_grp; | |
817 | srpc_test_reqst_t *trq; | |
818 | srpc_bulk_t *bulk; | |
819 | int i; | |
820 | int npg = 0; | |
821 | int nob = 0; | |
822 | int rc = 0; | |
823 | ||
824 | if (transop == LST_TRANS_TSBCLIADD) { | |
825 | npg = sfw_id_pages(test->tes_span); | |
826 | nob = (feats & LST_FEAT_BULK_LEN) == 0 ? | |
827 | npg * PAGE_CACHE_SIZE : | |
828 | sizeof(lnet_process_id_packed_t) * test->tes_span; | |
829 | } | |
830 | ||
831 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_TEST, feats, npg, nob, crpc); | |
832 | if (rc != 0) | |
833 | return rc; | |
834 | ||
835 | trq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.tes_reqst; | |
836 | ||
837 | if (transop == LST_TRANS_TSBSRVADD) { | |
838 | int ndist = (sgrp->grp_nnode + test->tes_dist - 1) / test->tes_dist; | |
839 | int nspan = (dgrp->grp_nnode + test->tes_span - 1) / test->tes_span; | |
840 | int nmax = (ndist + nspan - 1) / nspan; | |
841 | ||
842 | trq->tsr_ndest = 0; | |
843 | trq->tsr_loop = nmax * test->tes_dist * test->tes_concur; | |
844 | ||
845 | } else { | |
846 | bulk = &(*crpc)->crp_rpc->crpc_bulk; | |
847 | ||
848 | for (i = 0; i < npg; i++) { | |
849 | int len; | |
850 | ||
851 | LASSERT(nob > 0); | |
852 | ||
853 | len = (feats & LST_FEAT_BULK_LEN) == 0 ? | |
854 | PAGE_CACHE_SIZE : min_t(int, nob, PAGE_CACHE_SIZE); | |
855 | nob -= len; | |
856 | ||
857 | bulk->bk_iovs[i].kiov_offset = 0; | |
858 | bulk->bk_iovs[i].kiov_len = len; | |
859 | bulk->bk_iovs[i].kiov_page = | |
860 | alloc_page(GFP_IOFS); | |
861 | ||
862 | if (bulk->bk_iovs[i].kiov_page == NULL) { | |
863 | lstcon_rpc_put(*crpc); | |
864 | return -ENOMEM; | |
865 | } | |
866 | } | |
867 | ||
868 | bulk->bk_sink = 0; | |
869 | ||
4d72b5af | 870 | LASSERT(transop == LST_TRANS_TSBCLIADD); |
d7e09d03 PT |
871 | |
872 | rc = lstcon_dstnodes_prep(test->tes_dst_grp, | |
873 | test->tes_cliidx++, | |
874 | test->tes_dist, | |
875 | test->tes_span, | |
876 | npg, &bulk->bk_iovs[0]); | |
877 | if (rc != 0) { | |
878 | lstcon_rpc_put(*crpc); | |
879 | return rc; | |
880 | } | |
881 | ||
882 | trq->tsr_ndest = test->tes_span; | |
883 | trq->tsr_loop = test->tes_loop; | |
884 | } | |
885 | ||
886 | trq->tsr_sid = console_session.ses_id; | |
887 | trq->tsr_bid = test->tes_hdr.tsb_id; | |
888 | trq->tsr_concur = test->tes_concur; | |
889 | trq->tsr_is_client = (transop == LST_TRANS_TSBCLIADD) ? 1 : 0; | |
890 | trq->tsr_stop_onerr = !!test->tes_stop_onerr; | |
891 | ||
892 | switch (test->tes_type) { | |
893 | case LST_TEST_PING: | |
894 | trq->tsr_service = SRPC_SERVICE_PING; | |
895 | rc = lstcon_pingrpc_prep((lst_test_ping_param_t *) | |
896 | &test->tes_param[0], trq); | |
897 | break; | |
898 | ||
899 | case LST_TEST_BULK: | |
900 | trq->tsr_service = SRPC_SERVICE_BRW; | |
901 | if ((feats & LST_FEAT_BULK_LEN) == 0) { | |
902 | rc = lstcon_bulkrpc_v0_prep((lst_test_bulk_param_t *) | |
903 | &test->tes_param[0], trq); | |
904 | } else { | |
905 | rc = lstcon_bulkrpc_v1_prep((lst_test_bulk_param_t *) | |
906 | &test->tes_param[0], trq); | |
907 | } | |
908 | ||
909 | break; | |
910 | default: | |
911 | LBUG(); | |
912 | break; | |
913 | } | |
914 | ||
915 | return rc; | |
916 | } | |
917 | ||
918 | int | |
919 | lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans, | |
920 | lstcon_node_t *nd, srpc_msg_t *reply) | |
921 | { | |
922 | srpc_mksn_reply_t *mksn_rep = &reply->msg_body.mksn_reply; | |
923 | int status = mksn_rep->mksn_status; | |
924 | ||
925 | if (status == 0 && | |
926 | (reply->msg_ses_feats & ~LST_FEATS_MASK) != 0) { | |
927 | mksn_rep->mksn_status = EPROTO; | |
928 | status = EPROTO; | |
929 | } | |
930 | ||
931 | if (status == EPROTO) { | |
932 | CNETERR("session protocol error from %s: %u\n", | |
933 | libcfs_nid2str(nd->nd_id.nid), | |
934 | reply->msg_ses_feats); | |
935 | } | |
936 | ||
937 | if (status != 0) | |
938 | return status; | |
939 | ||
940 | if (!trans->tas_feats_updated) { | |
941 | trans->tas_feats_updated = 1; | |
942 | trans->tas_features = reply->msg_ses_feats; | |
943 | } | |
944 | ||
945 | if (reply->msg_ses_feats != trans->tas_features) { | |
eac2e8c6 | 946 | CNETERR("Framework features %x from %s is different with features on this transaction: %x\n", |
d7e09d03 PT |
947 | reply->msg_ses_feats, libcfs_nid2str(nd->nd_id.nid), |
948 | trans->tas_features); | |
949 | status = mksn_rep->mksn_status = EPROTO; | |
950 | } | |
951 | ||
952 | if (status == 0) { | |
953 | /* session timeout on remote node */ | |
954 | nd->nd_timeout = mksn_rep->mksn_timeout; | |
955 | } | |
956 | ||
957 | return status; | |
958 | } | |
959 | ||
960 | void | |
961 | lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg, | |
962 | lstcon_node_t *nd, lstcon_trans_stat_t *stat) | |
963 | { | |
964 | srpc_rmsn_reply_t *rmsn_rep; | |
965 | srpc_debug_reply_t *dbg_rep; | |
966 | srpc_batch_reply_t *bat_rep; | |
967 | srpc_test_reply_t *test_rep; | |
968 | srpc_stat_reply_t *stat_rep; | |
969 | int rc = 0; | |
970 | ||
971 | switch (trans->tas_opc) { | |
972 | case LST_TRANS_SESNEW: | |
973 | rc = lstcon_sesnew_stat_reply(trans, nd, msg); | |
974 | if (rc == 0) { | |
975 | lstcon_sesop_stat_success(stat, 1); | |
976 | return; | |
977 | } | |
978 | ||
979 | lstcon_sesop_stat_failure(stat, 1); | |
980 | break; | |
981 | ||
982 | case LST_TRANS_SESEND: | |
983 | rmsn_rep = &msg->msg_body.rmsn_reply; | |
984 | /* ESRCH is not an error for end session */ | |
985 | if (rmsn_rep->rmsn_status == 0 || | |
986 | rmsn_rep->rmsn_status == ESRCH) { | |
987 | lstcon_sesop_stat_success(stat, 1); | |
988 | return; | |
989 | } | |
990 | ||
991 | lstcon_sesop_stat_failure(stat, 1); | |
992 | rc = rmsn_rep->rmsn_status; | |
993 | break; | |
994 | ||
995 | case LST_TRANS_SESQRY: | |
996 | case LST_TRANS_SESPING: | |
997 | dbg_rep = &msg->msg_body.dbg_reply; | |
998 | ||
999 | if (dbg_rep->dbg_status == ESRCH) { | |
1000 | lstcon_sesqry_stat_unknown(stat, 1); | |
1001 | return; | |
1002 | } | |
1003 | ||
1004 | if (lstcon_session_match(dbg_rep->dbg_sid)) | |
1005 | lstcon_sesqry_stat_active(stat, 1); | |
1006 | else | |
1007 | lstcon_sesqry_stat_busy(stat, 1); | |
1008 | return; | |
1009 | ||
1010 | case LST_TRANS_TSBRUN: | |
1011 | case LST_TRANS_TSBSTOP: | |
1012 | bat_rep = &msg->msg_body.bat_reply; | |
1013 | ||
1014 | if (bat_rep->bar_status == 0) { | |
1015 | lstcon_tsbop_stat_success(stat, 1); | |
1016 | return; | |
1017 | } | |
1018 | ||
1019 | if (bat_rep->bar_status == EPERM && | |
1020 | trans->tas_opc == LST_TRANS_TSBSTOP) { | |
1021 | lstcon_tsbop_stat_success(stat, 1); | |
1022 | return; | |
1023 | } | |
1024 | ||
1025 | lstcon_tsbop_stat_failure(stat, 1); | |
1026 | rc = bat_rep->bar_status; | |
1027 | break; | |
1028 | ||
1029 | case LST_TRANS_TSBCLIQRY: | |
1030 | case LST_TRANS_TSBSRVQRY: | |
1031 | bat_rep = &msg->msg_body.bat_reply; | |
1032 | ||
1033 | if (bat_rep->bar_active != 0) | |
1034 | lstcon_tsbqry_stat_run(stat, 1); | |
1035 | else | |
1036 | lstcon_tsbqry_stat_idle(stat, 1); | |
1037 | ||
1038 | if (bat_rep->bar_status == 0) | |
1039 | return; | |
1040 | ||
1041 | lstcon_tsbqry_stat_failure(stat, 1); | |
1042 | rc = bat_rep->bar_status; | |
1043 | break; | |
1044 | ||
1045 | case LST_TRANS_TSBCLIADD: | |
1046 | case LST_TRANS_TSBSRVADD: | |
1047 | test_rep = &msg->msg_body.tes_reply; | |
1048 | ||
1049 | if (test_rep->tsr_status == 0) { | |
1050 | lstcon_tsbop_stat_success(stat, 1); | |
1051 | return; | |
1052 | } | |
1053 | ||
1054 | lstcon_tsbop_stat_failure(stat, 1); | |
1055 | rc = test_rep->tsr_status; | |
1056 | break; | |
1057 | ||
1058 | case LST_TRANS_STATQRY: | |
1059 | stat_rep = &msg->msg_body.stat_reply; | |
1060 | ||
1061 | if (stat_rep->str_status == 0) { | |
1062 | lstcon_statqry_stat_success(stat, 1); | |
1063 | return; | |
1064 | } | |
1065 | ||
1066 | lstcon_statqry_stat_failure(stat, 1); | |
1067 | rc = stat_rep->str_status; | |
1068 | break; | |
1069 | ||
1070 | default: | |
1071 | LBUG(); | |
1072 | } | |
1073 | ||
1074 | if (stat->trs_fwk_errno == 0) | |
1075 | stat->trs_fwk_errno = rc; | |
1076 | ||
1077 | return; | |
1078 | } | |
1079 | ||
1080 | int | |
1081 | lstcon_rpc_trans_ndlist(struct list_head *ndlist, | |
1082 | struct list_head *translist, int transop, | |
1083 | void *arg, lstcon_rpc_cond_func_t condition, | |
1084 | lstcon_rpc_trans_t **transpp) | |
1085 | { | |
1086 | lstcon_rpc_trans_t *trans; | |
1087 | lstcon_ndlink_t *ndl; | |
1088 | lstcon_node_t *nd; | |
1089 | lstcon_rpc_t *rpc; | |
1090 | unsigned feats; | |
1091 | int rc; | |
1092 | ||
1093 | /* Creating session RPG for list of nodes */ | |
1094 | ||
1095 | rc = lstcon_rpc_trans_prep(translist, transop, &trans); | |
1096 | if (rc != 0) { | |
1097 | CERROR("Can't create transaction %d: %d\n", transop, rc); | |
1098 | return rc; | |
1099 | } | |
1100 | ||
1101 | feats = trans->tas_features; | |
1102 | list_for_each_entry(ndl, ndlist, ndl_link) { | |
1103 | rc = condition == NULL ? 1 : | |
1104 | condition(transop, ndl->ndl_node, arg); | |
1105 | ||
1106 | if (rc == 0) | |
1107 | continue; | |
1108 | ||
1109 | if (rc < 0) { | |
eac2e8c6 RK |
1110 | CDEBUG(D_NET, "Condition error while creating RPC for transaction %d: %d\n", |
1111 | transop, rc); | |
d7e09d03 PT |
1112 | break; |
1113 | } | |
1114 | ||
1115 | nd = ndl->ndl_node; | |
1116 | ||
1117 | switch (transop) { | |
1118 | case LST_TRANS_SESNEW: | |
1119 | case LST_TRANS_SESEND: | |
1120 | rc = lstcon_sesrpc_prep(nd, transop, feats, &rpc); | |
1121 | break; | |
1122 | case LST_TRANS_SESQRY: | |
1123 | case LST_TRANS_SESPING: | |
1124 | rc = lstcon_dbgrpc_prep(nd, feats, &rpc); | |
1125 | break; | |
1126 | case LST_TRANS_TSBCLIADD: | |
1127 | case LST_TRANS_TSBSRVADD: | |
1128 | rc = lstcon_testrpc_prep(nd, transop, feats, | |
1129 | (lstcon_test_t *)arg, &rpc); | |
1130 | break; | |
1131 | case LST_TRANS_TSBRUN: | |
1132 | case LST_TRANS_TSBSTOP: | |
1133 | case LST_TRANS_TSBCLIQRY: | |
1134 | case LST_TRANS_TSBSRVQRY: | |
1135 | rc = lstcon_batrpc_prep(nd, transop, feats, | |
1136 | (lstcon_tsb_hdr_t *)arg, &rpc); | |
1137 | break; | |
1138 | case LST_TRANS_STATQRY: | |
1139 | rc = lstcon_statrpc_prep(nd, feats, &rpc); | |
1140 | break; | |
1141 | default: | |
1142 | rc = -EINVAL; | |
1143 | break; | |
1144 | } | |
1145 | ||
1146 | if (rc != 0) { | |
1147 | CERROR("Failed to create RPC for transaction %s: %d\n", | |
1148 | lstcon_rpc_trans_name(transop), rc); | |
1149 | break; | |
1150 | } | |
1151 | ||
1152 | lstcon_rpc_trans_addreq(trans, rpc); | |
1153 | } | |
1154 | ||
1155 | if (rc == 0) { | |
1156 | *transpp = trans; | |
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | lstcon_rpc_trans_destroy(trans); | |
1161 | ||
1162 | return rc; | |
1163 | } | |
1164 | ||
1165 | void | |
1166 | lstcon_rpc_pinger(void *arg) | |
1167 | { | |
1168 | stt_timer_t *ptimer = (stt_timer_t *)arg; | |
1169 | lstcon_rpc_trans_t *trans; | |
1170 | lstcon_rpc_t *crpc; | |
1171 | srpc_msg_t *rep; | |
1172 | srpc_debug_reqst_t *drq; | |
1173 | lstcon_ndlink_t *ndl; | |
1174 | lstcon_node_t *nd; | |
1175 | time_t intv; | |
1176 | int count = 0; | |
1177 | int rc; | |
1178 | ||
1179 | /* RPC pinger is a special case of transaction, | |
1180 | * it's called by timer at 8 seconds interval. | |
1181 | */ | |
1182 | mutex_lock(&console_session.ses_mutex); | |
1183 | ||
1184 | if (console_session.ses_shutdown || console_session.ses_expired) { | |
1185 | mutex_unlock(&console_session.ses_mutex); | |
1186 | return; | |
1187 | } | |
1188 | ||
1189 | if (!console_session.ses_expired && | |
1190 | cfs_time_current_sec() - console_session.ses_laststamp > | |
1191 | (time_t)console_session.ses_timeout) | |
1192 | console_session.ses_expired = 1; | |
1193 | ||
1194 | trans = console_session.ses_ping; | |
1195 | ||
4d72b5af | 1196 | LASSERT(trans != NULL); |
d7e09d03 PT |
1197 | |
1198 | list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link) { | |
1199 | nd = ndl->ndl_node; | |
1200 | ||
1201 | if (console_session.ses_expired) { | |
1202 | /* idle console, end session on all nodes */ | |
1203 | if (nd->nd_state != LST_NODE_ACTIVE) | |
1204 | continue; | |
1205 | ||
1206 | rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND, | |
1207 | trans->tas_features, &crpc); | |
1208 | if (rc != 0) { | |
1209 | CERROR("Out of memory\n"); | |
1210 | break; | |
1211 | } | |
1212 | ||
1213 | lstcon_rpc_trans_addreq(trans, crpc); | |
1214 | lstcon_rpc_post(crpc); | |
1215 | ||
1216 | continue; | |
1217 | } | |
1218 | ||
1219 | crpc = &nd->nd_ping; | |
1220 | ||
1221 | if (crpc->crp_rpc != NULL) { | |
4d72b5af RK |
1222 | LASSERT(crpc->crp_trans == trans); |
1223 | LASSERT(!list_empty(&crpc->crp_link)); | |
d7e09d03 PT |
1224 | |
1225 | spin_lock(&crpc->crp_rpc->crpc_lock); | |
1226 | ||
1227 | LASSERT(crpc->crp_posted); | |
1228 | ||
1229 | if (!crpc->crp_finished) { | |
1230 | /* in flight */ | |
1231 | spin_unlock(&crpc->crp_rpc->crpc_lock); | |
1232 | continue; | |
1233 | } | |
1234 | ||
1235 | spin_unlock(&crpc->crp_rpc->crpc_lock); | |
1236 | ||
1237 | lstcon_rpc_get_reply(crpc, &rep); | |
1238 | ||
1239 | list_del_init(&crpc->crp_link); | |
1240 | ||
1241 | lstcon_rpc_put(crpc); | |
1242 | } | |
1243 | ||
1244 | if (nd->nd_state != LST_NODE_ACTIVE) | |
1245 | continue; | |
1246 | ||
1247 | intv = cfs_duration_sec(cfs_time_sub(cfs_time_current(), | |
1248 | nd->nd_stamp)); | |
1249 | if (intv < (time_t)nd->nd_timeout / 2) | |
1250 | continue; | |
1251 | ||
1252 | rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG, | |
1253 | trans->tas_features, 0, 0, 1, crpc); | |
1254 | if (rc != 0) { | |
1255 | CERROR("Out of memory\n"); | |
1256 | break; | |
1257 | } | |
1258 | ||
1259 | drq = &crpc->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst; | |
1260 | ||
1261 | drq->dbg_sid = console_session.ses_id; | |
1262 | drq->dbg_flags = 0; | |
1263 | ||
1264 | lstcon_rpc_trans_addreq(trans, crpc); | |
1265 | lstcon_rpc_post(crpc); | |
1266 | ||
fc831a90 | 1267 | count++; |
d7e09d03 PT |
1268 | } |
1269 | ||
1270 | if (console_session.ses_expired) { | |
1271 | mutex_unlock(&console_session.ses_mutex); | |
1272 | return; | |
1273 | } | |
1274 | ||
1275 | CDEBUG(D_NET, "Ping %d nodes in session\n", count); | |
1276 | ||
1277 | ptimer->stt_expires = (cfs_time_t)(cfs_time_current_sec() + LST_PING_INTERVAL); | |
1278 | stt_add_timer(ptimer); | |
1279 | ||
1280 | mutex_unlock(&console_session.ses_mutex); | |
1281 | } | |
1282 | ||
1283 | int | |
1284 | lstcon_rpc_pinger_start(void) | |
1285 | { | |
1286 | stt_timer_t *ptimer; | |
1287 | int rc; | |
1288 | ||
4d72b5af RK |
1289 | LASSERT(list_empty(&console_session.ses_rpc_freelist)); |
1290 | LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0); | |
d7e09d03 PT |
1291 | |
1292 | rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING, | |
1293 | &console_session.ses_ping); | |
1294 | if (rc != 0) { | |
1295 | CERROR("Failed to create console pinger\n"); | |
1296 | return rc; | |
1297 | } | |
1298 | ||
1299 | ptimer = &console_session.ses_ping_timer; | |
1300 | ptimer->stt_expires = (cfs_time_t)(cfs_time_current_sec() + LST_PING_INTERVAL); | |
1301 | ||
1302 | stt_add_timer(ptimer); | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | void | |
1308 | lstcon_rpc_pinger_stop(void) | |
1309 | { | |
4d72b5af | 1310 | LASSERT(console_session.ses_shutdown); |
d7e09d03 PT |
1311 | |
1312 | stt_del_timer(&console_session.ses_ping_timer); | |
1313 | ||
1314 | lstcon_rpc_trans_abort(console_session.ses_ping, -ESHUTDOWN); | |
1315 | lstcon_rpc_trans_stat(console_session.ses_ping, lstcon_trans_stat()); | |
1316 | lstcon_rpc_trans_destroy(console_session.ses_ping); | |
1317 | ||
1318 | memset(lstcon_trans_stat(), 0, sizeof(lstcon_trans_stat_t)); | |
1319 | ||
1320 | console_session.ses_ping = NULL; | |
1321 | } | |
1322 | ||
1323 | void | |
1324 | lstcon_rpc_cleanup_wait(void) | |
1325 | { | |
1326 | lstcon_rpc_trans_t *trans; | |
1327 | lstcon_rpc_t *crpc; | |
1328 | struct list_head *pacer; | |
1329 | struct list_head zlist; | |
1330 | ||
1331 | /* Called with hold of global mutex */ | |
1332 | ||
4d72b5af | 1333 | LASSERT(console_session.ses_shutdown); |
d7e09d03 PT |
1334 | |
1335 | while (!list_empty(&console_session.ses_trans_list)) { | |
1336 | list_for_each(pacer, &console_session.ses_trans_list) { | |
1337 | trans = list_entry(pacer, lstcon_rpc_trans_t, | |
1338 | tas_link); | |
1339 | ||
1340 | CDEBUG(D_NET, "Session closed, wakeup transaction %s\n", | |
1341 | lstcon_rpc_trans_name(trans->tas_opc)); | |
1342 | ||
1343 | wake_up(&trans->tas_waitq); | |
1344 | } | |
1345 | ||
1346 | mutex_unlock(&console_session.ses_mutex); | |
1347 | ||
eac2e8c6 | 1348 | CWARN("Session is shutting down, waiting for termination of transactions\n"); |
d3caf4d5 PT |
1349 | set_current_state(TASK_UNINTERRUPTIBLE); |
1350 | schedule_timeout(cfs_time_seconds(1)); | |
d7e09d03 PT |
1351 | |
1352 | mutex_lock(&console_session.ses_mutex); | |
1353 | } | |
1354 | ||
1355 | spin_lock(&console_session.ses_rpc_lock); | |
1356 | ||
1357 | lst_wait_until((atomic_read(&console_session.ses_rpc_counter) == 0), | |
1358 | console_session.ses_rpc_lock, | |
eac2e8c6 | 1359 | "Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n", |
d7e09d03 PT |
1360 | atomic_read(&console_session.ses_rpc_counter)); |
1361 | ||
1362 | list_add(&zlist, &console_session.ses_rpc_freelist); | |
1363 | list_del_init(&console_session.ses_rpc_freelist); | |
1364 | ||
1365 | spin_unlock(&console_session.ses_rpc_lock); | |
1366 | ||
1367 | while (!list_empty(&zlist)) { | |
1368 | crpc = list_entry(zlist.next, lstcon_rpc_t, crp_link); | |
1369 | ||
1370 | list_del(&crpc->crp_link); | |
1371 | LIBCFS_FREE(crpc, sizeof(lstcon_rpc_t)); | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | int | |
1376 | lstcon_rpc_module_init(void) | |
1377 | { | |
1378 | INIT_LIST_HEAD(&console_session.ses_ping_timer.stt_list); | |
1379 | console_session.ses_ping_timer.stt_func = lstcon_rpc_pinger; | |
1380 | console_session.ses_ping_timer.stt_data = &console_session.ses_ping_timer; | |
1381 | ||
1382 | console_session.ses_ping = NULL; | |
1383 | ||
1384 | spin_lock_init(&console_session.ses_rpc_lock); | |
1385 | atomic_set(&console_session.ses_rpc_counter, 0); | |
1386 | INIT_LIST_HEAD(&console_session.ses_rpc_freelist); | |
1387 | ||
1388 | return 0; | |
1389 | } | |
1390 | ||
1391 | void | |
1392 | lstcon_rpc_module_fini(void) | |
1393 | { | |
4d72b5af RK |
1394 | LASSERT(list_empty(&console_session.ses_rpc_freelist)); |
1395 | LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0); | |
d7e09d03 | 1396 | } |