Commit | Line | Data |
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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 | ||
9fdaf8c0 GKH |
43 | #include "../../include/linux/libcfs/libcfs.h" |
44 | #include "../../include/linux/lnet/lib-lnet.h" | |
d7e09d03 PT |
45 | #include "timer.h" |
46 | #include "conrpc.h" | |
47 | #include "console.h" | |
48 | ||
49 | void lstcon_rpc_stat_reply(lstcon_rpc_trans_t *, srpc_msg_t *, | |
50 | lstcon_node_t *, lstcon_trans_stat_t *); | |
51 | ||
52 | static void | |
53 | lstcon_rpc_done(srpc_client_rpc_t *rpc) | |
54 | { | |
55 | lstcon_rpc_t *crpc = (lstcon_rpc_t *)rpc->crpc_priv; | |
56 | ||
57 | LASSERT(crpc != NULL && rpc == crpc->crp_rpc); | |
58 | LASSERT(crpc->crp_posted && !crpc->crp_finished); | |
59 | ||
60 | spin_lock(&rpc->crpc_lock); | |
61 | ||
62 | if (crpc->crp_trans == NULL) { | |
63 | /* Orphan RPC is not in any transaction, | |
64 | * I'm just a poor body and nobody loves me */ | |
65 | spin_unlock(&rpc->crpc_lock); | |
66 | ||
67 | /* release it */ | |
68 | lstcon_rpc_put(crpc); | |
69 | return; | |
70 | } | |
71 | ||
72 | /* not an orphan RPC */ | |
73 | crpc->crp_finished = 1; | |
74 | ||
75 | if (crpc->crp_stamp == 0) { | |
76 | /* not aborted */ | |
4d72b5af | 77 | LASSERT(crpc->crp_status == 0); |
d7e09d03 PT |
78 | |
79 | crpc->crp_stamp = cfs_time_current(); | |
80 | crpc->crp_status = rpc->crpc_status; | |
81 | } | |
82 | ||
83 | /* wakeup (transaction)thread if I'm the last RPC in the transaction */ | |
84 | if (atomic_dec_and_test(&crpc->crp_trans->tas_remaining)) | |
85 | wake_up(&crpc->crp_trans->tas_waitq); | |
86 | ||
87 | spin_unlock(&rpc->crpc_lock); | |
88 | } | |
89 | ||
8d94b6d2 | 90 | static int |
d7e09d03 PT |
91 | lstcon_rpc_init(lstcon_node_t *nd, int service, unsigned feats, |
92 | int bulk_npg, int bulk_len, int embedded, lstcon_rpc_t *crpc) | |
93 | { | |
94 | crpc->crp_rpc = sfw_create_rpc(nd->nd_id, service, | |
95 | feats, bulk_npg, bulk_len, | |
96 | lstcon_rpc_done, (void *)crpc); | |
97 | if (crpc->crp_rpc == NULL) | |
98 | return -ENOMEM; | |
99 | ||
100 | crpc->crp_trans = NULL; | |
101 | crpc->crp_node = nd; | |
102 | crpc->crp_posted = 0; | |
103 | crpc->crp_finished = 0; | |
104 | crpc->crp_unpacked = 0; | |
105 | crpc->crp_status = 0; | |
106 | crpc->crp_stamp = 0; | |
107 | crpc->crp_embedded = embedded; | |
108 | INIT_LIST_HEAD(&crpc->crp_link); | |
109 | ||
110 | atomic_inc(&console_session.ses_rpc_counter); | |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
8d94b6d2 | 115 | static int |
d7e09d03 PT |
116 | lstcon_rpc_prep(lstcon_node_t *nd, int service, unsigned feats, |
117 | int bulk_npg, int bulk_len, lstcon_rpc_t **crpcpp) | |
118 | { | |
74d68011 MS |
119 | lstcon_rpc_t *crpc = NULL; |
120 | int rc; | |
d7e09d03 PT |
121 | |
122 | spin_lock(&console_session.ses_rpc_lock); | |
123 | ||
124 | if (!list_empty(&console_session.ses_rpc_freelist)) { | |
125 | crpc = list_entry(console_session.ses_rpc_freelist.next, | |
126 | lstcon_rpc_t, crp_link); | |
127 | list_del_init(&crpc->crp_link); | |
128 | } | |
129 | ||
130 | spin_unlock(&console_session.ses_rpc_lock); | |
131 | ||
132 | if (crpc == NULL) { | |
133 | LIBCFS_ALLOC(crpc, sizeof(*crpc)); | |
134 | if (crpc == NULL) | |
135 | return -ENOMEM; | |
136 | } | |
137 | ||
138 | rc = lstcon_rpc_init(nd, service, feats, bulk_npg, bulk_len, 0, crpc); | |
139 | if (rc == 0) { | |
140 | *crpcpp = crpc; | |
141 | return 0; | |
142 | } | |
143 | ||
144 | LIBCFS_FREE(crpc, sizeof(*crpc)); | |
145 | ||
146 | return rc; | |
147 | } | |
148 | ||
149 | void | |
150 | lstcon_rpc_put(lstcon_rpc_t *crpc) | |
151 | { | |
152 | srpc_bulk_t *bulk = &crpc->crp_rpc->crpc_bulk; | |
74d68011 | 153 | int i; |
d7e09d03 | 154 | |
4d72b5af | 155 | LASSERT(list_empty(&crpc->crp_link)); |
d7e09d03 PT |
156 | |
157 | for (i = 0; i < bulk->bk_niov; i++) { | |
158 | if (bulk->bk_iovs[i].kiov_page == NULL) | |
159 | continue; | |
160 | ||
161 | __free_page(bulk->bk_iovs[i].kiov_page); | |
162 | } | |
163 | ||
164 | srpc_client_rpc_decref(crpc->crp_rpc); | |
165 | ||
166 | if (crpc->crp_embedded) { | |
167 | /* embedded RPC, don't recycle it */ | |
168 | memset(crpc, 0, sizeof(*crpc)); | |
169 | crpc->crp_embedded = 1; | |
170 | ||
171 | } else { | |
172 | spin_lock(&console_session.ses_rpc_lock); | |
173 | ||
174 | list_add(&crpc->crp_link, | |
175 | &console_session.ses_rpc_freelist); | |
176 | ||
177 | spin_unlock(&console_session.ses_rpc_lock); | |
178 | } | |
179 | ||
180 | /* RPC is not alive now */ | |
181 | atomic_dec(&console_session.ses_rpc_counter); | |
182 | } | |
183 | ||
8d94b6d2 | 184 | static void |
d7e09d03 PT |
185 | lstcon_rpc_post(lstcon_rpc_t *crpc) |
186 | { | |
187 | lstcon_rpc_trans_t *trans = crpc->crp_trans; | |
188 | ||
4d72b5af | 189 | LASSERT(trans != NULL); |
d7e09d03 PT |
190 | |
191 | atomic_inc(&trans->tas_remaining); | |
192 | crpc->crp_posted = 1; | |
193 | ||
194 | sfw_post_rpc(crpc->crp_rpc); | |
195 | } | |
196 | ||
197 | static char * | |
198 | lstcon_rpc_trans_name(int transop) | |
199 | { | |
200 | if (transop == LST_TRANS_SESNEW) | |
201 | return "SESNEW"; | |
202 | ||
203 | if (transop == LST_TRANS_SESEND) | |
204 | return "SESEND"; | |
205 | ||
206 | if (transop == LST_TRANS_SESQRY) | |
207 | return "SESQRY"; | |
208 | ||
209 | if (transop == LST_TRANS_SESPING) | |
210 | return "SESPING"; | |
211 | ||
212 | if (transop == LST_TRANS_TSBCLIADD) | |
213 | return "TSBCLIADD"; | |
214 | ||
215 | if (transop == LST_TRANS_TSBSRVADD) | |
216 | return "TSBSRVADD"; | |
217 | ||
218 | if (transop == LST_TRANS_TSBRUN) | |
219 | return "TSBRUN"; | |
220 | ||
221 | if (transop == LST_TRANS_TSBSTOP) | |
222 | return "TSBSTOP"; | |
223 | ||
224 | if (transop == LST_TRANS_TSBCLIQRY) | |
225 | return "TSBCLIQRY"; | |
226 | ||
227 | if (transop == LST_TRANS_TSBSRVQRY) | |
228 | return "TSBSRVQRY"; | |
229 | ||
230 | if (transop == LST_TRANS_STATQRY) | |
231 | return "STATQRY"; | |
232 | ||
233 | return "Unknown"; | |
234 | } | |
235 | ||
236 | int | |
237 | lstcon_rpc_trans_prep(struct list_head *translist, | |
238 | int transop, lstcon_rpc_trans_t **transpp) | |
239 | { | |
240 | lstcon_rpc_trans_t *trans; | |
241 | ||
242 | if (translist != NULL) { | |
243 | list_for_each_entry(trans, translist, tas_link) { | |
244 | /* Can't enqueue two private transaction on | |
245 | * the same object */ | |
246 | if ((trans->tas_opc & transop) == LST_TRANS_PRIVATE) | |
247 | return -EPERM; | |
248 | } | |
249 | } | |
250 | ||
251 | /* create a trans group */ | |
252 | LIBCFS_ALLOC(trans, sizeof(*trans)); | |
253 | if (trans == NULL) | |
254 | return -ENOMEM; | |
255 | ||
256 | trans->tas_opc = transop; | |
257 | ||
258 | if (translist == NULL) | |
259 | INIT_LIST_HEAD(&trans->tas_olink); | |
260 | else | |
261 | list_add_tail(&trans->tas_olink, translist); | |
262 | ||
263 | list_add_tail(&trans->tas_link, &console_session.ses_trans_list); | |
264 | ||
265 | INIT_LIST_HEAD(&trans->tas_rpcs_list); | |
266 | atomic_set(&trans->tas_remaining, 0); | |
267 | init_waitqueue_head(&trans->tas_waitq); | |
268 | ||
269 | spin_lock(&console_session.ses_rpc_lock); | |
270 | trans->tas_features = console_session.ses_features; | |
271 | spin_unlock(&console_session.ses_rpc_lock); | |
272 | ||
273 | *transpp = trans; | |
274 | return 0; | |
275 | } | |
276 | ||
277 | void | |
278 | lstcon_rpc_trans_addreq(lstcon_rpc_trans_t *trans, lstcon_rpc_t *crpc) | |
279 | { | |
280 | list_add_tail(&crpc->crp_link, &trans->tas_rpcs_list); | |
281 | crpc->crp_trans = trans; | |
282 | } | |
283 | ||
284 | void | |
285 | lstcon_rpc_trans_abort(lstcon_rpc_trans_t *trans, int error) | |
286 | { | |
287 | srpc_client_rpc_t *rpc; | |
288 | lstcon_rpc_t *crpc; | |
289 | lstcon_node_t *nd; | |
290 | ||
4d72b5af | 291 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { |
d7e09d03 PT |
292 | rpc = crpc->crp_rpc; |
293 | ||
294 | spin_lock(&rpc->crpc_lock); | |
295 | ||
296 | if (!crpc->crp_posted || /* not posted */ | |
297 | crpc->crp_stamp != 0) { /* rpc done or aborted already */ | |
298 | if (crpc->crp_stamp == 0) { | |
299 | crpc->crp_stamp = cfs_time_current(); | |
300 | crpc->crp_status = -EINTR; | |
301 | } | |
302 | spin_unlock(&rpc->crpc_lock); | |
303 | continue; | |
304 | } | |
305 | ||
306 | crpc->crp_stamp = cfs_time_current(); | |
307 | crpc->crp_status = error; | |
308 | ||
309 | spin_unlock(&rpc->crpc_lock); | |
310 | ||
311 | sfw_abort_rpc(rpc); | |
312 | ||
f02e0156 | 313 | if (error != ETIMEDOUT) |
d7e09d03 PT |
314 | continue; |
315 | ||
316 | nd = crpc->crp_node; | |
317 | if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp)) | |
318 | continue; | |
319 | ||
320 | nd->nd_stamp = crpc->crp_stamp; | |
321 | nd->nd_state = LST_NODE_DOWN; | |
322 | } | |
323 | } | |
324 | ||
325 | static int | |
326 | lstcon_rpc_trans_check(lstcon_rpc_trans_t *trans) | |
327 | { | |
328 | if (console_session.ses_shutdown && | |
329 | !list_empty(&trans->tas_olink)) /* Not an end session RPC */ | |
330 | return 1; | |
331 | ||
98d1bbdd | 332 | return (atomic_read(&trans->tas_remaining) == 0) ? 1 : 0; |
d7e09d03 PT |
333 | } |
334 | ||
335 | int | |
336 | lstcon_rpc_trans_postwait(lstcon_rpc_trans_t *trans, int timeout) | |
337 | { | |
74d68011 MS |
338 | lstcon_rpc_t *crpc; |
339 | int rc; | |
d7e09d03 PT |
340 | |
341 | if (list_empty(&trans->tas_rpcs_list)) | |
342 | return 0; | |
343 | ||
344 | if (timeout < LST_TRANS_MIN_TIMEOUT) | |
345 | timeout = LST_TRANS_MIN_TIMEOUT; | |
346 | ||
347 | CDEBUG(D_NET, "Transaction %s started\n", | |
348 | lstcon_rpc_trans_name(trans->tas_opc)); | |
349 | ||
350 | /* post all requests */ | |
4d72b5af RK |
351 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { |
352 | LASSERT(!crpc->crp_posted); | |
d7e09d03 PT |
353 | |
354 | lstcon_rpc_post(crpc); | |
355 | } | |
356 | ||
357 | mutex_unlock(&console_session.ses_mutex); | |
358 | ||
359 | rc = wait_event_interruptible_timeout(trans->tas_waitq, | |
360 | lstcon_rpc_trans_check(trans), | |
361 | cfs_time_seconds(timeout)); | |
362 | rc = (rc > 0) ? 0 : ((rc < 0) ? -EINTR : -ETIMEDOUT); | |
363 | ||
364 | mutex_lock(&console_session.ses_mutex); | |
365 | ||
366 | if (console_session.ses_shutdown) | |
367 | rc = -ESHUTDOWN; | |
368 | ||
369 | if (rc != 0 || atomic_read(&trans->tas_remaining) != 0) { | |
370 | /* treat short timeout as canceled */ | |
371 | if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2) | |
372 | rc = -EINTR; | |
373 | ||
374 | lstcon_rpc_trans_abort(trans, rc); | |
375 | } | |
376 | ||
377 | CDEBUG(D_NET, "Transaction %s stopped: %d\n", | |
378 | lstcon_rpc_trans_name(trans->tas_opc), rc); | |
379 | ||
380 | lstcon_rpc_trans_stat(trans, lstcon_trans_stat()); | |
381 | ||
382 | return rc; | |
383 | } | |
384 | ||
8d94b6d2 | 385 | static int |
d7e09d03 PT |
386 | lstcon_rpc_get_reply(lstcon_rpc_t *crpc, srpc_msg_t **msgpp) |
387 | { | |
74d68011 MS |
388 | lstcon_node_t *nd = crpc->crp_node; |
389 | srpc_client_rpc_t *rpc = crpc->crp_rpc; | |
d7e09d03 PT |
390 | srpc_generic_reply_t *rep; |
391 | ||
4d72b5af RK |
392 | LASSERT(nd != NULL && rpc != NULL); |
393 | LASSERT(crpc->crp_stamp != 0); | |
d7e09d03 PT |
394 | |
395 | if (crpc->crp_status != 0) { | |
396 | *msgpp = NULL; | |
397 | return crpc->crp_status; | |
398 | } | |
399 | ||
400 | *msgpp = &rpc->crpc_replymsg; | |
401 | if (!crpc->crp_unpacked) { | |
402 | sfw_unpack_message(*msgpp); | |
403 | crpc->crp_unpacked = 1; | |
404 | } | |
405 | ||
406 | if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp)) | |
407 | return 0; | |
408 | ||
409 | nd->nd_stamp = crpc->crp_stamp; | |
410 | rep = &(*msgpp)->msg_body.reply; | |
411 | ||
412 | if (rep->sid.ses_nid == LNET_NID_ANY) | |
413 | nd->nd_state = LST_NODE_UNKNOWN; | |
414 | else if (lstcon_session_match(rep->sid)) | |
415 | nd->nd_state = LST_NODE_ACTIVE; | |
416 | else | |
417 | nd->nd_state = LST_NODE_BUSY; | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
422 | void | |
423 | lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat) | |
424 | { | |
74d68011 MS |
425 | lstcon_rpc_t *crpc; |
426 | srpc_msg_t *rep; | |
427 | int error; | |
d7e09d03 | 428 | |
4d72b5af | 429 | LASSERT(stat != NULL); |
d7e09d03 PT |
430 | |
431 | memset(stat, 0, sizeof(*stat)); | |
432 | ||
433 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { | |
434 | lstcon_rpc_stat_total(stat, 1); | |
435 | ||
4d72b5af | 436 | LASSERT(crpc->crp_stamp != 0); |
d7e09d03 PT |
437 | |
438 | error = lstcon_rpc_get_reply(crpc, &rep); | |
439 | if (error != 0) { | |
440 | lstcon_rpc_stat_failure(stat, 1); | |
441 | if (stat->trs_rpc_errno == 0) | |
442 | stat->trs_rpc_errno = -error; | |
443 | ||
444 | continue; | |
445 | } | |
446 | ||
447 | lstcon_rpc_stat_success(stat, 1); | |
448 | ||
449 | lstcon_rpc_stat_reply(trans, rep, crpc->crp_node, stat); | |
450 | } | |
451 | ||
452 | if (trans->tas_opc == LST_TRANS_SESNEW && stat->trs_fwk_errno == 0) { | |
453 | stat->trs_fwk_errno = | |
454 | lstcon_session_feats_check(trans->tas_features); | |
455 | } | |
456 | ||
eac2e8c6 | 457 | CDEBUG(D_NET, "transaction %s : success %d, failure %d, total %d, RPC error(%d), Framework error(%d)\n", |
d7e09d03 PT |
458 | lstcon_rpc_trans_name(trans->tas_opc), |
459 | lstcon_rpc_stat_success(stat, 0), | |
460 | lstcon_rpc_stat_failure(stat, 0), | |
461 | lstcon_rpc_stat_total(stat, 0), | |
462 | stat->trs_rpc_errno, stat->trs_fwk_errno); | |
463 | ||
464 | return; | |
465 | } | |
466 | ||
467 | int | |
468 | lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans, | |
469 | struct list_head *head_up, | |
470 | lstcon_rpc_readent_func_t readent) | |
471 | { | |
74d68011 MS |
472 | struct list_head tmp; |
473 | struct list_head *next; | |
474 | lstcon_rpc_ent_t *ent; | |
d7e09d03 | 475 | srpc_generic_reply_t *rep; |
74d68011 MS |
476 | lstcon_rpc_t *crpc; |
477 | srpc_msg_t *msg; | |
478 | lstcon_node_t *nd; | |
479 | long dur; | |
480 | struct timeval tv; | |
481 | int error; | |
d7e09d03 | 482 | |
4d72b5af | 483 | LASSERT(head_up != NULL); |
d7e09d03 PT |
484 | |
485 | next = head_up; | |
486 | ||
487 | list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) { | |
488 | if (copy_from_user(&tmp, next, | |
489 | sizeof(struct list_head))) | |
490 | return -EFAULT; | |
491 | ||
492 | if (tmp.next == head_up) | |
493 | return 0; | |
494 | ||
495 | next = tmp.next; | |
496 | ||
497 | ent = list_entry(next, lstcon_rpc_ent_t, rpe_link); | |
498 | ||
4d72b5af | 499 | LASSERT(crpc->crp_stamp != 0); |
d7e09d03 PT |
500 | |
501 | error = lstcon_rpc_get_reply(crpc, &msg); | |
502 | ||
503 | nd = crpc->crp_node; | |
504 | ||
b2d201bd | 505 | dur = (long)cfs_time_sub(crpc->crp_stamp, |
a649ad1d | 506 | (unsigned long)console_session.ses_id.ses_stamp); |
70513c5d | 507 | jiffies_to_timeval(dur, &tv); |
d7e09d03 PT |
508 | |
509 | if (copy_to_user(&ent->rpe_peer, | |
510 | &nd->nd_id, sizeof(lnet_process_id_t)) || | |
511 | copy_to_user(&ent->rpe_stamp, &tv, sizeof(tv)) || | |
512 | copy_to_user(&ent->rpe_state, | |
513 | &nd->nd_state, sizeof(nd->nd_state)) || | |
514 | copy_to_user(&ent->rpe_rpc_errno, &error, | |
515 | sizeof(error))) | |
516 | return -EFAULT; | |
517 | ||
518 | if (error != 0) | |
519 | continue; | |
520 | ||
521 | /* RPC is done */ | |
522 | rep = (srpc_generic_reply_t *)&msg->msg_body.reply; | |
523 | ||
524 | if (copy_to_user(&ent->rpe_sid, | |
525 | &rep->sid, sizeof(lst_sid_t)) || | |
526 | copy_to_user(&ent->rpe_fwk_errno, | |
527 | &rep->status, sizeof(rep->status))) | |
528 | return -EFAULT; | |
529 | ||
530 | if (readent == NULL) | |
531 | continue; | |
532 | ||
b0834c87 RK |
533 | error = readent(trans->tas_opc, msg, ent); |
534 | ||
535 | if (error != 0) | |
d7e09d03 PT |
536 | return error; |
537 | } | |
538 | ||
539 | return 0; | |
540 | } | |
541 | ||
542 | void | |
543 | lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans) | |
544 | { | |
545 | srpc_client_rpc_t *rpc; | |
74d68011 MS |
546 | lstcon_rpc_t *crpc; |
547 | lstcon_rpc_t *tmp; | |
548 | int count = 0; | |
d7e09d03 PT |
549 | |
550 | list_for_each_entry_safe(crpc, tmp, &trans->tas_rpcs_list, | |
551 | crp_link) { | |
552 | rpc = crpc->crp_rpc; | |
553 | ||
554 | spin_lock(&rpc->crpc_lock); | |
555 | ||
556 | /* free it if not posted or finished already */ | |
557 | if (!crpc->crp_posted || crpc->crp_finished) { | |
558 | spin_unlock(&rpc->crpc_lock); | |
559 | ||
560 | list_del_init(&crpc->crp_link); | |
561 | lstcon_rpc_put(crpc); | |
562 | ||
563 | continue; | |
564 | } | |
565 | ||
566 | /* rpcs can be still not callbacked (even LNetMDUnlink is called) | |
567 | * because huge timeout for inaccessible network, don't make | |
568 | * user wait for them, just abandon them, they will be recycled | |
569 | * in callback */ | |
570 | ||
4d72b5af | 571 | LASSERT(crpc->crp_status != 0); |
d7e09d03 PT |
572 | |
573 | crpc->crp_node = NULL; | |
574 | crpc->crp_trans = NULL; | |
575 | list_del_init(&crpc->crp_link); | |
fc831a90 | 576 | count++; |
d7e09d03 PT |
577 | |
578 | spin_unlock(&rpc->crpc_lock); | |
579 | ||
580 | atomic_dec(&trans->tas_remaining); | |
581 | } | |
582 | ||
4d72b5af | 583 | LASSERT(atomic_read(&trans->tas_remaining) == 0); |
d7e09d03 PT |
584 | |
585 | list_del(&trans->tas_link); | |
586 | if (!list_empty(&trans->tas_olink)) | |
587 | list_del(&trans->tas_olink); | |
588 | ||
589 | CDEBUG(D_NET, "Transaction %s destroyed with %d pending RPCs\n", | |
590 | lstcon_rpc_trans_name(trans->tas_opc), count); | |
591 | ||
592 | LIBCFS_FREE(trans, sizeof(*trans)); | |
593 | ||
594 | return; | |
595 | } | |
596 | ||
597 | int | |
598 | lstcon_sesrpc_prep(lstcon_node_t *nd, int transop, | |
599 | unsigned feats, lstcon_rpc_t **crpc) | |
600 | { | |
601 | srpc_mksn_reqst_t *msrq; | |
602 | srpc_rmsn_reqst_t *rsrq; | |
74d68011 | 603 | int rc; |
d7e09d03 PT |
604 | |
605 | switch (transop) { | |
606 | case LST_TRANS_SESNEW: | |
607 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION, | |
608 | feats, 0, 0, crpc); | |
609 | if (rc != 0) | |
610 | return rc; | |
611 | ||
612 | msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst; | |
613 | msrq->mksn_sid = console_session.ses_id; | |
614 | msrq->mksn_force = console_session.ses_force; | |
615 | strncpy(msrq->mksn_name, console_session.ses_name, | |
616 | strlen(console_session.ses_name)); | |
617 | break; | |
618 | ||
619 | case LST_TRANS_SESEND: | |
620 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION, | |
621 | feats, 0, 0, crpc); | |
622 | if (rc != 0) | |
623 | return rc; | |
624 | ||
625 | rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst; | |
626 | rsrq->rmsn_sid = console_session.ses_id; | |
627 | break; | |
628 | ||
629 | default: | |
630 | LBUG(); | |
631 | } | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
636 | int | |
637 | lstcon_dbgrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc) | |
638 | { | |
639 | srpc_debug_reqst_t *drq; | |
74d68011 | 640 | int rc; |
d7e09d03 PT |
641 | |
642 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, feats, 0, 0, crpc); | |
643 | if (rc != 0) | |
644 | return rc; | |
645 | ||
646 | drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst; | |
647 | ||
648 | drq->dbg_sid = console_session.ses_id; | |
649 | drq->dbg_flags = 0; | |
650 | ||
651 | return rc; | |
652 | } | |
653 | ||
654 | int | |
655 | lstcon_batrpc_prep(lstcon_node_t *nd, int transop, unsigned feats, | |
656 | lstcon_tsb_hdr_t *tsb, lstcon_rpc_t **crpc) | |
657 | { | |
658 | lstcon_batch_t *batch; | |
659 | srpc_batch_reqst_t *brq; | |
660 | int rc; | |
661 | ||
662 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, feats, 0, 0, crpc); | |
663 | if (rc != 0) | |
664 | return rc; | |
665 | ||
666 | brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst; | |
667 | ||
668 | brq->bar_sid = console_session.ses_id; | |
669 | brq->bar_bid = tsb->tsb_id; | |
670 | brq->bar_testidx = tsb->tsb_index; | |
671 | brq->bar_opc = transop == LST_TRANS_TSBRUN ? SRPC_BATCH_OPC_RUN : | |
98d1bbdd | 672 | (transop == LST_TRANS_TSBSTOP ? SRPC_BATCH_OPC_STOP : |
d7e09d03 PT |
673 | SRPC_BATCH_OPC_QUERY); |
674 | ||
675 | if (transop != LST_TRANS_TSBRUN && | |
676 | transop != LST_TRANS_TSBSTOP) | |
677 | return 0; | |
678 | ||
4d72b5af | 679 | LASSERT(tsb->tsb_index == 0); |
d7e09d03 PT |
680 | |
681 | batch = (lstcon_batch_t *)tsb; | |
682 | brq->bar_arg = batch->bat_arg; | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | int | |
688 | lstcon_statrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc) | |
689 | { | |
690 | srpc_stat_reqst_t *srq; | |
691 | int rc; | |
692 | ||
693 | rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, feats, 0, 0, crpc); | |
694 | if (rc != 0) | |
695 | return rc; | |
696 | ||
697 | srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst; | |
698 | ||
699 | srq->str_sid = console_session.ses_id; | |
700 | srq->str_type = 0; /* XXX remove it */ | |
701 | ||
702 | return 0; | |
703 | } | |
704 | ||
f3731cdb | 705 | static lnet_process_id_packed_t * |
d7e09d03 PT |
706 | lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov) |
707 | { | |
708 | lnet_process_id_packed_t *pid; | |
74d68011 | 709 | int i; |
d7e09d03 PT |
710 | |
711 | i = idx / SFW_ID_PER_PAGE; | |
712 | ||
4d72b5af | 713 | LASSERT(i < nkiov); |
d7e09d03 PT |
714 | |
715 | pid = (lnet_process_id_packed_t *)page_address(kiov[i].kiov_page); | |
716 | ||
717 | return &pid[idx % SFW_ID_PER_PAGE]; | |
718 | } | |
719 | ||
8d94b6d2 | 720 | static int |
d7e09d03 PT |
721 | lstcon_dstnodes_prep(lstcon_group_t *grp, int idx, |
722 | int dist, int span, int nkiov, lnet_kiov_t *kiov) | |
723 | { | |
724 | lnet_process_id_packed_t *pid; | |
74d68011 MS |
725 | lstcon_ndlink_t *ndl; |
726 | lstcon_node_t *nd; | |
727 | int start; | |
728 | int end; | |
729 | int i = 0; | |
d7e09d03 | 730 | |
4d72b5af RK |
731 | LASSERT(dist >= 1); |
732 | LASSERT(span >= 1); | |
733 | LASSERT(grp->grp_nnode >= 1); | |
d7e09d03 PT |
734 | |
735 | if (span > grp->grp_nnode) | |
736 | return -EINVAL; | |
737 | ||
738 | start = ((idx / dist) * span) % grp->grp_nnode; | |
739 | end = ((idx / dist) * span + span - 1) % grp->grp_nnode; | |
740 | ||
741 | list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) { | |
742 | nd = ndl->ndl_node; | |
743 | if (i < start) { | |
fc831a90 | 744 | i++; |
d7e09d03 PT |
745 | continue; |
746 | } | |
747 | ||
98d1bbdd | 748 | if (i > (end >= start ? end : grp->grp_nnode)) |
d7e09d03 PT |
749 | break; |
750 | ||
751 | pid = lstcon_next_id((i - start), nkiov, kiov); | |
752 | pid->nid = nd->nd_id.nid; | |
753 | pid->pid = nd->nd_id.pid; | |
754 | i++; | |
755 | } | |
756 | ||
757 | if (start <= end) /* done */ | |
758 | return 0; | |
759 | ||
760 | list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) { | |
761 | if (i > grp->grp_nnode + end) | |
762 | break; | |
763 | ||
764 | nd = ndl->ndl_node; | |
765 | pid = lstcon_next_id((i - start), nkiov, kiov); | |
766 | pid->nid = nd->nd_id.nid; | |
767 | pid->pid = nd->nd_id.pid; | |
768 | i++; | |
769 | } | |
770 | ||
771 | return 0; | |
772 | } | |
773 | ||
8d94b6d2 | 774 | static int |
d7e09d03 PT |
775 | lstcon_pingrpc_prep(lst_test_ping_param_t *param, srpc_test_reqst_t *req) |
776 | { | |
777 | test_ping_req_t *prq = &req->tsr_u.ping; | |
778 | ||
74d68011 MS |
779 | prq->png_size = param->png_size; |
780 | prq->png_flags = param->png_flags; | |
d7e09d03 PT |
781 | /* TODO dest */ |
782 | return 0; | |
783 | } | |
784 | ||
8d94b6d2 | 785 | static int |
d7e09d03 PT |
786 | lstcon_bulkrpc_v0_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req) |
787 | { | |
788 | test_bulk_req_t *brq = &req->tsr_u.bulk_v0; | |
789 | ||
74d68011 MS |
790 | brq->blk_opc = param->blk_opc; |
791 | brq->blk_npg = (param->blk_size + PAGE_CACHE_SIZE - 1) / | |
792 | PAGE_CACHE_SIZE; | |
793 | brq->blk_flags = param->blk_flags; | |
d7e09d03 PT |
794 | |
795 | return 0; | |
796 | } | |
797 | ||
8d94b6d2 | 798 | static int |
d7e09d03 PT |
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; | |
74d68011 | 819 | int i; |
d7e09d03 PT |
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) { | |
74d68011 MS |
838 | int ndist = (sgrp->grp_nnode + test->tes_dist - 1) / |
839 | test->tes_dist; | |
840 | int nspan = (dgrp->grp_nnode + test->tes_span - 1) / | |
841 | test->tes_span; | |
d7e09d03 PT |
842 | int nmax = (ndist + nspan - 1) / nspan; |
843 | ||
844 | trq->tsr_ndest = 0; | |
845 | trq->tsr_loop = nmax * test->tes_dist * test->tes_concur; | |
846 | ||
847 | } else { | |
848 | bulk = &(*crpc)->crp_rpc->crpc_bulk; | |
849 | ||
850 | for (i = 0; i < npg; i++) { | |
851 | int len; | |
852 | ||
853 | LASSERT(nob > 0); | |
854 | ||
855 | len = (feats & LST_FEAT_BULK_LEN) == 0 ? | |
74d68011 MS |
856 | PAGE_CACHE_SIZE : |
857 | min_t(int, nob, PAGE_CACHE_SIZE); | |
d7e09d03 PT |
858 | nob -= len; |
859 | ||
860 | bulk->bk_iovs[i].kiov_offset = 0; | |
861 | bulk->bk_iovs[i].kiov_len = len; | |
862 | bulk->bk_iovs[i].kiov_page = | |
40113370 | 863 | alloc_page(GFP_KERNEL); |
d7e09d03 PT |
864 | |
865 | if (bulk->bk_iovs[i].kiov_page == NULL) { | |
866 | lstcon_rpc_put(*crpc); | |
867 | return -ENOMEM; | |
868 | } | |
869 | } | |
870 | ||
871 | bulk->bk_sink = 0; | |
872 | ||
4d72b5af | 873 | LASSERT(transop == LST_TRANS_TSBCLIADD); |
d7e09d03 PT |
874 | |
875 | rc = lstcon_dstnodes_prep(test->tes_dst_grp, | |
876 | test->tes_cliidx++, | |
877 | test->tes_dist, | |
878 | test->tes_span, | |
879 | npg, &bulk->bk_iovs[0]); | |
880 | if (rc != 0) { | |
881 | lstcon_rpc_put(*crpc); | |
882 | return rc; | |
883 | } | |
884 | ||
885 | trq->tsr_ndest = test->tes_span; | |
886 | trq->tsr_loop = test->tes_loop; | |
887 | } | |
888 | ||
74d68011 MS |
889 | trq->tsr_sid = console_session.ses_id; |
890 | trq->tsr_bid = test->tes_hdr.tsb_id; | |
d7e09d03 PT |
891 | trq->tsr_concur = test->tes_concur; |
892 | trq->tsr_is_client = (transop == LST_TRANS_TSBCLIADD) ? 1 : 0; | |
893 | trq->tsr_stop_onerr = !!test->tes_stop_onerr; | |
894 | ||
895 | switch (test->tes_type) { | |
896 | case LST_TEST_PING: | |
897 | trq->tsr_service = SRPC_SERVICE_PING; | |
898 | rc = lstcon_pingrpc_prep((lst_test_ping_param_t *) | |
899 | &test->tes_param[0], trq); | |
900 | break; | |
901 | ||
902 | case LST_TEST_BULK: | |
903 | trq->tsr_service = SRPC_SERVICE_BRW; | |
904 | if ((feats & LST_FEAT_BULK_LEN) == 0) { | |
905 | rc = lstcon_bulkrpc_v0_prep((lst_test_bulk_param_t *) | |
906 | &test->tes_param[0], trq); | |
907 | } else { | |
908 | rc = lstcon_bulkrpc_v1_prep((lst_test_bulk_param_t *) | |
909 | &test->tes_param[0], trq); | |
910 | } | |
911 | ||
912 | break; | |
913 | default: | |
914 | LBUG(); | |
915 | break; | |
916 | } | |
917 | ||
918 | return rc; | |
919 | } | |
920 | ||
8d94b6d2 | 921 | static int |
d7e09d03 PT |
922 | lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans, |
923 | lstcon_node_t *nd, srpc_msg_t *reply) | |
924 | { | |
925 | srpc_mksn_reply_t *mksn_rep = &reply->msg_body.mksn_reply; | |
926 | int status = mksn_rep->mksn_status; | |
927 | ||
928 | if (status == 0 && | |
929 | (reply->msg_ses_feats & ~LST_FEATS_MASK) != 0) { | |
930 | mksn_rep->mksn_status = EPROTO; | |
931 | status = EPROTO; | |
932 | } | |
933 | ||
934 | if (status == EPROTO) { | |
935 | CNETERR("session protocol error from %s: %u\n", | |
936 | libcfs_nid2str(nd->nd_id.nid), | |
937 | reply->msg_ses_feats); | |
938 | } | |
939 | ||
940 | if (status != 0) | |
941 | return status; | |
942 | ||
943 | if (!trans->tas_feats_updated) { | |
944 | trans->tas_feats_updated = 1; | |
945 | trans->tas_features = reply->msg_ses_feats; | |
946 | } | |
947 | ||
948 | if (reply->msg_ses_feats != trans->tas_features) { | |
eac2e8c6 | 949 | CNETERR("Framework features %x from %s is different with features on this transaction: %x\n", |
d7e09d03 PT |
950 | reply->msg_ses_feats, libcfs_nid2str(nd->nd_id.nid), |
951 | trans->tas_features); | |
952 | status = mksn_rep->mksn_status = EPROTO; | |
953 | } | |
954 | ||
955 | if (status == 0) { | |
956 | /* session timeout on remote node */ | |
957 | nd->nd_timeout = mksn_rep->mksn_timeout; | |
958 | } | |
959 | ||
960 | return status; | |
961 | } | |
962 | ||
963 | void | |
964 | lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg, | |
965 | lstcon_node_t *nd, lstcon_trans_stat_t *stat) | |
966 | { | |
967 | srpc_rmsn_reply_t *rmsn_rep; | |
968 | srpc_debug_reply_t *dbg_rep; | |
969 | srpc_batch_reply_t *bat_rep; | |
970 | srpc_test_reply_t *test_rep; | |
971 | srpc_stat_reply_t *stat_rep; | |
74d68011 | 972 | int rc = 0; |
d7e09d03 PT |
973 | |
974 | switch (trans->tas_opc) { | |
975 | case LST_TRANS_SESNEW: | |
976 | rc = lstcon_sesnew_stat_reply(trans, nd, msg); | |
977 | if (rc == 0) { | |
978 | lstcon_sesop_stat_success(stat, 1); | |
979 | return; | |
980 | } | |
981 | ||
982 | lstcon_sesop_stat_failure(stat, 1); | |
983 | break; | |
984 | ||
985 | case LST_TRANS_SESEND: | |
986 | rmsn_rep = &msg->msg_body.rmsn_reply; | |
987 | /* ESRCH is not an error for end session */ | |
988 | if (rmsn_rep->rmsn_status == 0 || | |
989 | rmsn_rep->rmsn_status == ESRCH) { | |
990 | lstcon_sesop_stat_success(stat, 1); | |
991 | return; | |
992 | } | |
993 | ||
994 | lstcon_sesop_stat_failure(stat, 1); | |
995 | rc = rmsn_rep->rmsn_status; | |
996 | break; | |
997 | ||
998 | case LST_TRANS_SESQRY: | |
999 | case LST_TRANS_SESPING: | |
1000 | dbg_rep = &msg->msg_body.dbg_reply; | |
1001 | ||
1002 | if (dbg_rep->dbg_status == ESRCH) { | |
1003 | lstcon_sesqry_stat_unknown(stat, 1); | |
1004 | return; | |
1005 | } | |
1006 | ||
1007 | if (lstcon_session_match(dbg_rep->dbg_sid)) | |
1008 | lstcon_sesqry_stat_active(stat, 1); | |
1009 | else | |
1010 | lstcon_sesqry_stat_busy(stat, 1); | |
1011 | return; | |
1012 | ||
1013 | case LST_TRANS_TSBRUN: | |
1014 | case LST_TRANS_TSBSTOP: | |
1015 | bat_rep = &msg->msg_body.bat_reply; | |
1016 | ||
1017 | if (bat_rep->bar_status == 0) { | |
1018 | lstcon_tsbop_stat_success(stat, 1); | |
1019 | return; | |
1020 | } | |
1021 | ||
1022 | if (bat_rep->bar_status == EPERM && | |
1023 | trans->tas_opc == LST_TRANS_TSBSTOP) { | |
1024 | lstcon_tsbop_stat_success(stat, 1); | |
1025 | return; | |
1026 | } | |
1027 | ||
1028 | lstcon_tsbop_stat_failure(stat, 1); | |
1029 | rc = bat_rep->bar_status; | |
1030 | break; | |
1031 | ||
1032 | case LST_TRANS_TSBCLIQRY: | |
1033 | case LST_TRANS_TSBSRVQRY: | |
1034 | bat_rep = &msg->msg_body.bat_reply; | |
1035 | ||
1036 | if (bat_rep->bar_active != 0) | |
1037 | lstcon_tsbqry_stat_run(stat, 1); | |
1038 | else | |
1039 | lstcon_tsbqry_stat_idle(stat, 1); | |
1040 | ||
1041 | if (bat_rep->bar_status == 0) | |
1042 | return; | |
1043 | ||
1044 | lstcon_tsbqry_stat_failure(stat, 1); | |
1045 | rc = bat_rep->bar_status; | |
1046 | break; | |
1047 | ||
1048 | case LST_TRANS_TSBCLIADD: | |
1049 | case LST_TRANS_TSBSRVADD: | |
1050 | test_rep = &msg->msg_body.tes_reply; | |
1051 | ||
1052 | if (test_rep->tsr_status == 0) { | |
1053 | lstcon_tsbop_stat_success(stat, 1); | |
1054 | return; | |
1055 | } | |
1056 | ||
1057 | lstcon_tsbop_stat_failure(stat, 1); | |
1058 | rc = test_rep->tsr_status; | |
1059 | break; | |
1060 | ||
1061 | case LST_TRANS_STATQRY: | |
1062 | stat_rep = &msg->msg_body.stat_reply; | |
1063 | ||
1064 | if (stat_rep->str_status == 0) { | |
1065 | lstcon_statqry_stat_success(stat, 1); | |
1066 | return; | |
1067 | } | |
1068 | ||
1069 | lstcon_statqry_stat_failure(stat, 1); | |
1070 | rc = stat_rep->str_status; | |
1071 | break; | |
1072 | ||
1073 | default: | |
1074 | LBUG(); | |
1075 | } | |
1076 | ||
1077 | if (stat->trs_fwk_errno == 0) | |
1078 | stat->trs_fwk_errno = rc; | |
1079 | ||
1080 | return; | |
1081 | } | |
1082 | ||
1083 | int | |
1084 | lstcon_rpc_trans_ndlist(struct list_head *ndlist, | |
1085 | struct list_head *translist, int transop, | |
1086 | void *arg, lstcon_rpc_cond_func_t condition, | |
1087 | lstcon_rpc_trans_t **transpp) | |
1088 | { | |
1089 | lstcon_rpc_trans_t *trans; | |
74d68011 MS |
1090 | lstcon_ndlink_t *ndl; |
1091 | lstcon_node_t *nd; | |
1092 | lstcon_rpc_t *rpc; | |
1093 | unsigned feats; | |
1094 | int rc; | |
d7e09d03 PT |
1095 | |
1096 | /* Creating session RPG for list of nodes */ | |
1097 | ||
1098 | rc = lstcon_rpc_trans_prep(translist, transop, &trans); | |
1099 | if (rc != 0) { | |
1100 | CERROR("Can't create transaction %d: %d\n", transop, rc); | |
1101 | return rc; | |
1102 | } | |
1103 | ||
1104 | feats = trans->tas_features; | |
1105 | list_for_each_entry(ndl, ndlist, ndl_link) { | |
1106 | rc = condition == NULL ? 1 : | |
1107 | condition(transop, ndl->ndl_node, arg); | |
1108 | ||
1109 | if (rc == 0) | |
1110 | continue; | |
1111 | ||
1112 | if (rc < 0) { | |
eac2e8c6 RK |
1113 | CDEBUG(D_NET, "Condition error while creating RPC for transaction %d: %d\n", |
1114 | transop, rc); | |
d7e09d03 PT |
1115 | break; |
1116 | } | |
1117 | ||
1118 | nd = ndl->ndl_node; | |
1119 | ||
1120 | switch (transop) { | |
1121 | case LST_TRANS_SESNEW: | |
1122 | case LST_TRANS_SESEND: | |
1123 | rc = lstcon_sesrpc_prep(nd, transop, feats, &rpc); | |
1124 | break; | |
1125 | case LST_TRANS_SESQRY: | |
1126 | case LST_TRANS_SESPING: | |
1127 | rc = lstcon_dbgrpc_prep(nd, feats, &rpc); | |
1128 | break; | |
1129 | case LST_TRANS_TSBCLIADD: | |
1130 | case LST_TRANS_TSBSRVADD: | |
1131 | rc = lstcon_testrpc_prep(nd, transop, feats, | |
1132 | (lstcon_test_t *)arg, &rpc); | |
1133 | break; | |
1134 | case LST_TRANS_TSBRUN: | |
1135 | case LST_TRANS_TSBSTOP: | |
1136 | case LST_TRANS_TSBCLIQRY: | |
1137 | case LST_TRANS_TSBSRVQRY: | |
1138 | rc = lstcon_batrpc_prep(nd, transop, feats, | |
1139 | (lstcon_tsb_hdr_t *)arg, &rpc); | |
1140 | break; | |
1141 | case LST_TRANS_STATQRY: | |
1142 | rc = lstcon_statrpc_prep(nd, feats, &rpc); | |
1143 | break; | |
1144 | default: | |
1145 | rc = -EINVAL; | |
1146 | break; | |
1147 | } | |
1148 | ||
1149 | if (rc != 0) { | |
1150 | CERROR("Failed to create RPC for transaction %s: %d\n", | |
1151 | lstcon_rpc_trans_name(transop), rc); | |
1152 | break; | |
1153 | } | |
1154 | ||
1155 | lstcon_rpc_trans_addreq(trans, rpc); | |
1156 | } | |
1157 | ||
1158 | if (rc == 0) { | |
1159 | *transpp = trans; | |
1160 | return 0; | |
1161 | } | |
1162 | ||
1163 | lstcon_rpc_trans_destroy(trans); | |
1164 | ||
1165 | return rc; | |
1166 | } | |
1167 | ||
8d94b6d2 | 1168 | static void |
d7e09d03 PT |
1169 | lstcon_rpc_pinger(void *arg) |
1170 | { | |
74d68011 | 1171 | stt_timer_t *ptimer = (stt_timer_t *)arg; |
d7e09d03 | 1172 | lstcon_rpc_trans_t *trans; |
74d68011 MS |
1173 | lstcon_rpc_t *crpc; |
1174 | srpc_msg_t *rep; | |
d7e09d03 | 1175 | srpc_debug_reqst_t *drq; |
74d68011 MS |
1176 | lstcon_ndlink_t *ndl; |
1177 | lstcon_node_t *nd; | |
d9f79e6b | 1178 | int intv; |
74d68011 MS |
1179 | int count = 0; |
1180 | int rc; | |
d7e09d03 PT |
1181 | |
1182 | /* RPC pinger is a special case of transaction, | |
1183 | * it's called by timer at 8 seconds interval. | |
1184 | */ | |
1185 | mutex_lock(&console_session.ses_mutex); | |
1186 | ||
1187 | if (console_session.ses_shutdown || console_session.ses_expired) { | |
1188 | mutex_unlock(&console_session.ses_mutex); | |
1189 | return; | |
1190 | } | |
1191 | ||
1192 | if (!console_session.ses_expired && | |
d9f79e6b AB |
1193 | ktime_get_real_seconds() - console_session.ses_laststamp > |
1194 | (time64_t)console_session.ses_timeout) | |
d7e09d03 PT |
1195 | console_session.ses_expired = 1; |
1196 | ||
1197 | trans = console_session.ses_ping; | |
1198 | ||
4d72b5af | 1199 | LASSERT(trans != NULL); |
d7e09d03 PT |
1200 | |
1201 | list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link) { | |
1202 | nd = ndl->ndl_node; | |
1203 | ||
1204 | if (console_session.ses_expired) { | |
1205 | /* idle console, end session on all nodes */ | |
1206 | if (nd->nd_state != LST_NODE_ACTIVE) | |
1207 | continue; | |
1208 | ||
1209 | rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND, | |
1210 | trans->tas_features, &crpc); | |
1211 | if (rc != 0) { | |
1212 | CERROR("Out of memory\n"); | |
1213 | break; | |
1214 | } | |
1215 | ||
1216 | lstcon_rpc_trans_addreq(trans, crpc); | |
1217 | lstcon_rpc_post(crpc); | |
1218 | ||
1219 | continue; | |
1220 | } | |
1221 | ||
1222 | crpc = &nd->nd_ping; | |
1223 | ||
1224 | if (crpc->crp_rpc != NULL) { | |
4d72b5af RK |
1225 | LASSERT(crpc->crp_trans == trans); |
1226 | LASSERT(!list_empty(&crpc->crp_link)); | |
d7e09d03 PT |
1227 | |
1228 | spin_lock(&crpc->crp_rpc->crpc_lock); | |
1229 | ||
1230 | LASSERT(crpc->crp_posted); | |
1231 | ||
1232 | if (!crpc->crp_finished) { | |
1233 | /* in flight */ | |
1234 | spin_unlock(&crpc->crp_rpc->crpc_lock); | |
1235 | continue; | |
1236 | } | |
1237 | ||
1238 | spin_unlock(&crpc->crp_rpc->crpc_lock); | |
1239 | ||
1240 | lstcon_rpc_get_reply(crpc, &rep); | |
1241 | ||
1242 | list_del_init(&crpc->crp_link); | |
1243 | ||
1244 | lstcon_rpc_put(crpc); | |
1245 | } | |
1246 | ||
1247 | if (nd->nd_state != LST_NODE_ACTIVE) | |
1248 | continue; | |
1249 | ||
d9f79e6b AB |
1250 | intv = (jiffies - nd->nd_stamp) / HZ; |
1251 | if (intv < nd->nd_timeout / 2) | |
d7e09d03 PT |
1252 | continue; |
1253 | ||
1254 | rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG, | |
1255 | trans->tas_features, 0, 0, 1, crpc); | |
1256 | if (rc != 0) { | |
1257 | CERROR("Out of memory\n"); | |
1258 | break; | |
1259 | } | |
1260 | ||
1261 | drq = &crpc->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst; | |
1262 | ||
1263 | drq->dbg_sid = console_session.ses_id; | |
1264 | drq->dbg_flags = 0; | |
1265 | ||
1266 | lstcon_rpc_trans_addreq(trans, crpc); | |
1267 | lstcon_rpc_post(crpc); | |
1268 | ||
fc831a90 | 1269 | count++; |
d7e09d03 PT |
1270 | } |
1271 | ||
1272 | if (console_session.ses_expired) { | |
1273 | mutex_unlock(&console_session.ses_mutex); | |
1274 | return; | |
1275 | } | |
1276 | ||
1277 | CDEBUG(D_NET, "Ping %d nodes in session\n", count); | |
1278 | ||
d9f79e6b | 1279 | ptimer->stt_expires = ktime_get_real_seconds() + LST_PING_INTERVAL; |
d7e09d03 PT |
1280 | stt_add_timer(ptimer); |
1281 | ||
1282 | mutex_unlock(&console_session.ses_mutex); | |
1283 | } | |
1284 | ||
1285 | int | |
1286 | lstcon_rpc_pinger_start(void) | |
1287 | { | |
74d68011 MS |
1288 | stt_timer_t *ptimer; |
1289 | int rc; | |
d7e09d03 | 1290 | |
4d72b5af RK |
1291 | LASSERT(list_empty(&console_session.ses_rpc_freelist)); |
1292 | LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0); | |
d7e09d03 PT |
1293 | |
1294 | rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING, | |
1295 | &console_session.ses_ping); | |
1296 | if (rc != 0) { | |
1297 | CERROR("Failed to create console pinger\n"); | |
1298 | return rc; | |
1299 | } | |
1300 | ||
1301 | ptimer = &console_session.ses_ping_timer; | |
d9f79e6b | 1302 | ptimer->stt_expires = ktime_get_real_seconds() + LST_PING_INTERVAL; |
d7e09d03 PT |
1303 | |
1304 | stt_add_timer(ptimer); | |
1305 | ||
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | void | |
1310 | lstcon_rpc_pinger_stop(void) | |
1311 | { | |
4d72b5af | 1312 | LASSERT(console_session.ses_shutdown); |
d7e09d03 PT |
1313 | |
1314 | stt_del_timer(&console_session.ses_ping_timer); | |
1315 | ||
1316 | lstcon_rpc_trans_abort(console_session.ses_ping, -ESHUTDOWN); | |
1317 | lstcon_rpc_trans_stat(console_session.ses_ping, lstcon_trans_stat()); | |
1318 | lstcon_rpc_trans_destroy(console_session.ses_ping); | |
1319 | ||
1320 | memset(lstcon_trans_stat(), 0, sizeof(lstcon_trans_stat_t)); | |
1321 | ||
1322 | console_session.ses_ping = NULL; | |
1323 | } | |
1324 | ||
1325 | void | |
1326 | lstcon_rpc_cleanup_wait(void) | |
1327 | { | |
1328 | lstcon_rpc_trans_t *trans; | |
74d68011 MS |
1329 | lstcon_rpc_t *crpc; |
1330 | struct list_head *pacer; | |
1331 | struct list_head zlist; | |
d7e09d03 PT |
1332 | |
1333 | /* Called with hold of global mutex */ | |
1334 | ||
4d72b5af | 1335 | LASSERT(console_session.ses_shutdown); |
d7e09d03 PT |
1336 | |
1337 | while (!list_empty(&console_session.ses_trans_list)) { | |
1338 | list_for_each(pacer, &console_session.ses_trans_list) { | |
1339 | trans = list_entry(pacer, lstcon_rpc_trans_t, | |
1340 | tas_link); | |
1341 | ||
1342 | CDEBUG(D_NET, "Session closed, wakeup transaction %s\n", | |
1343 | lstcon_rpc_trans_name(trans->tas_opc)); | |
1344 | ||
1345 | wake_up(&trans->tas_waitq); | |
1346 | } | |
1347 | ||
1348 | mutex_unlock(&console_session.ses_mutex); | |
1349 | ||
eac2e8c6 | 1350 | CWARN("Session is shutting down, waiting for termination of transactions\n"); |
d3caf4d5 PT |
1351 | set_current_state(TASK_UNINTERRUPTIBLE); |
1352 | schedule_timeout(cfs_time_seconds(1)); | |
d7e09d03 PT |
1353 | |
1354 | mutex_lock(&console_session.ses_mutex); | |
1355 | } | |
1356 | ||
1357 | spin_lock(&console_session.ses_rpc_lock); | |
1358 | ||
1359 | lst_wait_until((atomic_read(&console_session.ses_rpc_counter) == 0), | |
1360 | console_session.ses_rpc_lock, | |
eac2e8c6 | 1361 | "Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n", |
d7e09d03 PT |
1362 | atomic_read(&console_session.ses_rpc_counter)); |
1363 | ||
1364 | list_add(&zlist, &console_session.ses_rpc_freelist); | |
1365 | list_del_init(&console_session.ses_rpc_freelist); | |
1366 | ||
1367 | spin_unlock(&console_session.ses_rpc_lock); | |
1368 | ||
1369 | while (!list_empty(&zlist)) { | |
1370 | crpc = list_entry(zlist.next, lstcon_rpc_t, crp_link); | |
1371 | ||
1372 | list_del(&crpc->crp_link); | |
1373 | LIBCFS_FREE(crpc, sizeof(lstcon_rpc_t)); | |
1374 | } | |
1375 | } | |
1376 | ||
1377 | int | |
1378 | lstcon_rpc_module_init(void) | |
1379 | { | |
1380 | INIT_LIST_HEAD(&console_session.ses_ping_timer.stt_list); | |
1381 | console_session.ses_ping_timer.stt_func = lstcon_rpc_pinger; | |
1382 | console_session.ses_ping_timer.stt_data = &console_session.ses_ping_timer; | |
1383 | ||
1384 | console_session.ses_ping = NULL; | |
1385 | ||
1386 | spin_lock_init(&console_session.ses_rpc_lock); | |
1387 | atomic_set(&console_session.ses_rpc_counter, 0); | |
1388 | INIT_LIST_HEAD(&console_session.ses_rpc_freelist); | |
1389 | ||
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | void | |
1394 | lstcon_rpc_module_fini(void) | |
1395 | { | |
4d72b5af RK |
1396 | LASSERT(list_empty(&console_session.ses_rpc_freelist)); |
1397 | LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0); | |
d7e09d03 | 1398 | } |