projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
staging/lustre: use 64-bit time for ni_last_alive
[linux-2.6-block.git] / drivers / staging / lustre / lnet / selftest / conctl.c
CommitLineData
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) 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 * IOC handle in kernel
39 *
40 * Author: Liang Zhen <liangzhen@clusterfs.com>
41 */
42
9fdaf8c0
GKH		 43#include "../../include/linux/libcfs/libcfs.h"
44#include "../../include/linux/lnet/lib-lnet.h"
45#include "../../include/linux/lnet/lnetst.h"
d7e09d03
PT		 46#include "console.h"
47
8d94b6d2 48static int
d7e09d03
PT		 49lst_session_new_ioctl(lstio_session_new_args_t *args)
50{
74d68011
MS		 51 char *name;
52 int rc;
d7e09d03
PT		 53
54 if (args->lstio_ses_idp == NULL || /* address for output sid */
74d68011 55 args->lstio_ses_key == 0 || /* no key is specified */
d7e09d03
PT		 56 args->lstio_ses_namep == NULL || /* session name */
57 args->lstio_ses_nmlen <= 0 ||
58 args->lstio_ses_nmlen > LST_NAME_SIZE)
59 return -EINVAL;
60
61 LIBCFS_ALLOC(name, args->lstio_ses_nmlen + 1);
62 if (name == NULL)
63 return -ENOMEM;
64
65 if (copy_from_user(name,
66 args->lstio_ses_namep,
67 args->lstio_ses_nmlen)) {
68 LIBCFS_FREE(name, args->lstio_ses_nmlen + 1);
69 return -EFAULT;
70 }
71
72 name[args->lstio_ses_nmlen] = 0;
73
74 rc = lstcon_session_new(name,
75 args->lstio_ses_key,
76 args->lstio_ses_feats,
77 args->lstio_ses_force,
78 args->lstio_ses_timeout,
79 args->lstio_ses_idp);
80
81 LIBCFS_FREE(name, args->lstio_ses_nmlen + 1);
82 return rc;
83}
84
8d94b6d2 85static int
d7e09d03
PT		 86lst_session_end_ioctl(lstio_session_end_args_t *args)
87{
88 if (args->lstio_ses_key != console_session.ses_key)
89 return -EACCES;
90
91 return lstcon_session_end();
92}
93
8d94b6d2 94static int
d7e09d03
PT		 95lst_session_info_ioctl(lstio_session_info_args_t *args)
96{
97 /* no checking of key */
98
74d68011
MS		 99 if (args->lstio_ses_idp == NULL || /* address for output sid */
100 args->lstio_ses_keyp == NULL || /* address for output key */
23ebb3fd 101 args->lstio_ses_featp == NULL || /* address for output features */
d7e09d03 102 args->lstio_ses_ndinfo == NULL || /* address for output ndinfo */
74d68011
MS		 103 args->lstio_ses_namep == NULL || /* address for output name */
104 args->lstio_ses_nmlen <= 0 ||
d7e09d03
PT		 105 args->lstio_ses_nmlen > LST_NAME_SIZE)
106 return -EINVAL;
107
108 return lstcon_session_info(args->lstio_ses_idp,
109 args->lstio_ses_keyp,
110 args->lstio_ses_featp,
111 args->lstio_ses_ndinfo,
112 args->lstio_ses_namep,
113 args->lstio_ses_nmlen);
114}
115
8d94b6d2 116static int
d7e09d03
PT		 117lst_debug_ioctl(lstio_debug_args_t *args)
118{
119 char *name = NULL;
120 int client = 1;
121 int rc;
122
123 if (args->lstio_dbg_key != console_session.ses_key)
124 return -EACCES;
125
126 if (args->lstio_dbg_resultp == NULL)
127 return -EINVAL;
128
129 if (args->lstio_dbg_namep != NULL && /* name of batch/group */
130 (args->lstio_dbg_nmlen <= 0 ||
131 args->lstio_dbg_nmlen > LST_NAME_SIZE))
132 return -EINVAL;
133
134 if (args->lstio_dbg_namep != NULL) {
135 LIBCFS_ALLOC(name, args->lstio_dbg_nmlen + 1);
136 if (name == NULL)
137 return -ENOMEM;
138
139 if (copy_from_user(name, args->lstio_dbg_namep,
140 args->lstio_dbg_nmlen)) {
141 LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1);
142
143 return -EFAULT;
144 }
145
146 name[args->lstio_dbg_nmlen] = 0;
147 }
148
149 rc = -EINVAL;
150
151 switch (args->lstio_dbg_type) {
152 case LST_OPC_SESSION:
153 rc = lstcon_session_debug(args->lstio_dbg_timeout,
154 args->lstio_dbg_resultp);
155 break;
156
157 case LST_OPC_BATCHSRV:
158 client = 0;
159 case LST_OPC_BATCHCLI:
160 if (name == NULL)
161 goto out;
162
163 rc = lstcon_batch_debug(args->lstio_dbg_timeout,
164 name, client, args->lstio_dbg_resultp);
165 break;
166
167 case LST_OPC_GROUP:
168 if (name == NULL)
169 goto out;
170
171 rc = lstcon_group_debug(args->lstio_dbg_timeout,
172 name, args->lstio_dbg_resultp);
173 break;
174
175 case LST_OPC_NODES:
176 if (args->lstio_dbg_count <= 0 ||
177 args->lstio_dbg_idsp == NULL)
178 goto out;
179
180 rc = lstcon_nodes_debug(args->lstio_dbg_timeout,
181 args->lstio_dbg_count,
182 args->lstio_dbg_idsp,
183 args->lstio_dbg_resultp);
184 break;
185
186 default:
187 break;
188 }
189
190out:
191 if (name != NULL)
192 LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1);
193
194 return rc;
195}
196
8d94b6d2 197static int
d7e09d03
PT		 198lst_group_add_ioctl(lstio_group_add_args_t *args)
199{
74d68011
MS		 200 char *name;
201 int rc;
d7e09d03
PT		 202
203 if (args->lstio_grp_key != console_session.ses_key)
204 return -EACCES;
205
95c3fe33 206 if (args->lstio_grp_namep == NULL ||
d7e09d03
PT		 207 args->lstio_grp_nmlen <= 0 ||
208 args->lstio_grp_nmlen > LST_NAME_SIZE)
209 return -EINVAL;
210
211 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
212 if (name == NULL)
213 return -ENOMEM;
214
215 if (copy_from_user(name,
216 args->lstio_grp_namep,
217 args->lstio_grp_nmlen)) {
218 LIBCFS_FREE(name, args->lstio_grp_nmlen);
219 return -EFAULT;
220 }
221
222 name[args->lstio_grp_nmlen] = 0;
223
224 rc = lstcon_group_add(name);
225
226 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
227
228 return rc;
229}
230
8d94b6d2 231static int
d7e09d03
PT		 232lst_group_del_ioctl(lstio_group_del_args_t *args)
233{
234 int rc;
235 char *name;
236
237 if (args->lstio_grp_key != console_session.ses_key)
238 return -EACCES;
239
240 if (args->lstio_grp_namep == NULL ||
241 args->lstio_grp_nmlen <= 0 ||
242 args->lstio_grp_nmlen > LST_NAME_SIZE)
243 return -EINVAL;
244
245 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
246 if (name == NULL)
247 return -ENOMEM;
248
249 if (copy_from_user(name,
250 args->lstio_grp_namep,
251 args->lstio_grp_nmlen)) {
252 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
253 return -EFAULT;
254 }
255
256 name[args->lstio_grp_nmlen] = 0;
257
258 rc = lstcon_group_del(name);
259
260 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
261
262 return rc;
263}
264
8d94b6d2 265static int
d7e09d03
PT		 266lst_group_update_ioctl(lstio_group_update_args_t *args)
267{
268 int rc;
269 char *name;
270
271 if (args->lstio_grp_key != console_session.ses_key)
272 return -EACCES;
273
274 if (args->lstio_grp_resultp == NULL ||
275 args->lstio_grp_namep == NULL ||
276 args->lstio_grp_nmlen <= 0 ||
277 args->lstio_grp_nmlen > LST_NAME_SIZE)
278 return -EINVAL;
279
280 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
281 if (name == NULL)
282 return -ENOMEM;
283
284 if (copy_from_user(name,
285 args->lstio_grp_namep,
286 args->lstio_grp_nmlen)) {
287 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
288 return -EFAULT;
289 }
290
291 name[args->lstio_grp_nmlen] = 0;
292
293 switch (args->lstio_grp_opc) {
294 case LST_GROUP_CLEAN:
295 rc = lstcon_group_clean(name, args->lstio_grp_args);
296 break;
297
298 case LST_GROUP_REFRESH:
299 rc = lstcon_group_refresh(name, args->lstio_grp_resultp);
300 break;
301
302 case LST_GROUP_RMND:
303 if (args->lstio_grp_count <= 0 ||
304 args->lstio_grp_idsp == NULL) {
305 rc = -EINVAL;
306 break;
307 }
308 rc = lstcon_nodes_remove(name, args->lstio_grp_count,
309 args->lstio_grp_idsp,
310 args->lstio_grp_resultp);
311 break;
312
313 default:
314 rc = -EINVAL;
315 break;
316 }
317
318 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
319
320 return rc;
321}
322
8d94b6d2 323static int
d7e09d03
PT		 324lst_nodes_add_ioctl(lstio_group_nodes_args_t *args)
325{
326 unsigned feats;
74d68011
MS		 327 int rc;
328 char *name;
d7e09d03
PT		 329
330 if (args->lstio_grp_key != console_session.ses_key)
331 return -EACCES;
332
333 if (args->lstio_grp_idsp == NULL || /* array of ids */
334 args->lstio_grp_count <= 0 ||
335 args->lstio_grp_resultp == NULL ||
336 args->lstio_grp_featp == NULL ||
337 args->lstio_grp_namep == NULL ||
338 args->lstio_grp_nmlen <= 0 ||
339 args->lstio_grp_nmlen > LST_NAME_SIZE)
340 return -EINVAL;
341
342 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
343 if (name == NULL)
344 return -ENOMEM;
345
346 if (copy_from_user(name, args->lstio_grp_namep,
347 args->lstio_grp_nmlen)) {
348 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
349
350 return -EFAULT;
351 }
352
353 name[args->lstio_grp_nmlen] = 0;
354
355 rc = lstcon_nodes_add(name, args->lstio_grp_count,
356 args->lstio_grp_idsp, &feats,
357 args->lstio_grp_resultp);
358
359 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
360 if (rc == 0 &&
361 copy_to_user(args->lstio_grp_featp, &feats, sizeof(feats))) {
362 return -EINVAL;
363 }
364
365 return rc;
366}
367
8d94b6d2 368static int
d7e09d03
PT		 369lst_group_list_ioctl(lstio_group_list_args_t *args)
370{
371 if (args->lstio_grp_key != console_session.ses_key)
372 return -EACCES;
373
374 if (args->lstio_grp_idx < 0 ||
375 args->lstio_grp_namep == NULL ||
376 args->lstio_grp_nmlen <= 0 ||
377 args->lstio_grp_nmlen > LST_NAME_SIZE)
378 return -EINVAL;
379
380 return lstcon_group_list(args->lstio_grp_idx,
381 args->lstio_grp_nmlen,
382 args->lstio_grp_namep);
383}
384
8d94b6d2 385static int
d7e09d03
PT		 386lst_group_info_ioctl(lstio_group_info_args_t *args)
387{
74d68011
MS		 388 char *name;
389 int ndent;
390 int index;
391 int rc;
d7e09d03
PT		 392
393 if (args->lstio_grp_key != console_session.ses_key)
394 return -EACCES;
395
396 if (args->lstio_grp_namep == NULL ||
397 args->lstio_grp_nmlen <= 0 ||
398 args->lstio_grp_nmlen > LST_NAME_SIZE)
399 return -EINVAL;
400
401 if (args->lstio_grp_entp == NULL && /* output: group entry */
402 args->lstio_grp_dentsp == NULL) /* output: node entry */
403 return -EINVAL;
404
405 if (args->lstio_grp_dentsp != NULL) { /* have node entry */
406 if (args->lstio_grp_idxp == NULL || /* node index */
407 args->lstio_grp_ndentp == NULL) /* # of node entry */
408 return -EINVAL;
409
410 if (copy_from_user(&ndent, args->lstio_grp_ndentp,
411 sizeof(ndent)) ||
412 copy_from_user(&index, args->lstio_grp_idxp,
413 sizeof(index)))
414 return -EFAULT;
415
416 if (ndent <= 0 || index < 0)
417 return -EINVAL;
418 }
419
420 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
421 if (name == NULL)
422 return -ENOMEM;
423
424 if (copy_from_user(name,
425 args->lstio_grp_namep,
426 args->lstio_grp_nmlen)) {
427 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
428 return -EFAULT;
429 }
430
431 name[args->lstio_grp_nmlen] = 0;
432
433 rc = lstcon_group_info(name, args->lstio_grp_entp,
434 &index, &ndent, args->lstio_grp_dentsp);
435
436 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
437
438 if (rc != 0)
439 return rc;
440
441 if (args->lstio_grp_dentsp != NULL &&
442 (copy_to_user(args->lstio_grp_idxp, &index, sizeof(index)) ||
443 copy_to_user(args->lstio_grp_ndentp, &ndent, sizeof(ndent))))
444 rc = -EFAULT;
445
446 return 0;
447}
448
8d94b6d2 449static int
d7e09d03
PT		 450lst_batch_add_ioctl(lstio_batch_add_args_t *args)
451{
74d68011
MS		 452 int rc;
453 char *name;
d7e09d03
PT		 454
455 if (args->lstio_bat_key != console_session.ses_key)
456 return -EACCES;
457
458 if (args->lstio_bat_namep == NULL ||
459 args->lstio_bat_nmlen <= 0 ||
460 args->lstio_bat_nmlen > LST_NAME_SIZE)
461 return -EINVAL;
462
463 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
464 if (name == NULL)
465 return -ENOMEM;
466
467 if (copy_from_user(name,
468 args->lstio_bat_namep,
469 args->lstio_bat_nmlen)) {
470 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
471 return -EFAULT;
472 }
473
474 name[args->lstio_bat_nmlen] = 0;
475
476 rc = lstcon_batch_add(name);
477
478 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
479
480 return rc;
481}
482
8d94b6d2 483static int
d7e09d03
PT		 484lst_batch_run_ioctl(lstio_batch_run_args_t *args)
485{
74d68011
MS		 486 int rc;
487 char *name;
d7e09d03
PT		 488
489 if (args->lstio_bat_key != console_session.ses_key)
490 return -EACCES;
491
492 if (args->lstio_bat_namep == NULL ||
493 args->lstio_bat_nmlen <= 0 ||
494 args->lstio_bat_nmlen > LST_NAME_SIZE)
495 return -EINVAL;
496
497 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
498 if (name == NULL)
499 return -ENOMEM;
500
501 if (copy_from_user(name,
502 args->lstio_bat_namep,
503 args->lstio_bat_nmlen)) {
504 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
505 return -EFAULT;
506 }
507
508 name[args->lstio_bat_nmlen] = 0;
509
510 rc = lstcon_batch_run(name, args->lstio_bat_timeout,
511 args->lstio_bat_resultp);
512
513 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
514
515 return rc;
516}
517
8d94b6d2 518static int
d7e09d03
PT		 519lst_batch_stop_ioctl(lstio_batch_stop_args_t *args)
520{
74d68011
MS		 521 int rc;
522 char *name;
d7e09d03
PT		 523
524 if (args->lstio_bat_key != console_session.ses_key)
525 return -EACCES;
526
527 if (args->lstio_bat_resultp == NULL ||
528 args->lstio_bat_namep == NULL ||
529 args->lstio_bat_nmlen <= 0 ||
530 args->lstio_bat_nmlen > LST_NAME_SIZE)
531 return -EINVAL;
532
533 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
534 if (name == NULL)
535 return -ENOMEM;
536
537 if (copy_from_user(name,
538 args->lstio_bat_namep,
539 args->lstio_bat_nmlen)) {
540 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
541 return -EFAULT;
542 }
543
544 name[args->lstio_bat_nmlen] = 0;
545
546 rc = lstcon_batch_stop(name, args->lstio_bat_force,
547 args->lstio_bat_resultp);
548
549 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
550
551 return rc;
552}
553
8d94b6d2 554static int
d7e09d03
PT		 555lst_batch_query_ioctl(lstio_batch_query_args_t *args)
556{
557 char *name;
558 int rc;
559
560 if (args->lstio_bat_key != console_session.ses_key)
561 return -EACCES;
562
563 if (args->lstio_bat_resultp == NULL ||
564 args->lstio_bat_namep == NULL ||
565 args->lstio_bat_nmlen <= 0 ||
566 args->lstio_bat_nmlen > LST_NAME_SIZE)
567 return -EINVAL;
568
569 if (args->lstio_bat_testidx < 0)
570 return -EINVAL;
571
572 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
573 if (name == NULL)
574 return -ENOMEM;
575
576 if (copy_from_user(name,
577 args->lstio_bat_namep,
578 args->lstio_bat_nmlen)) {
579 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
580 return -EFAULT;
581 }
582
583 name[args->lstio_bat_nmlen] = 0;
584
585 rc = lstcon_test_batch_query(name,
586 args->lstio_bat_testidx,
587 args->lstio_bat_client,
588 args->lstio_bat_timeout,
589 args->lstio_bat_resultp);
590
591 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
592
593 return rc;
594}
595
8d94b6d2 596static int
d7e09d03
PT		 597lst_batch_list_ioctl(lstio_batch_list_args_t *args)
598{
599 if (args->lstio_bat_key != console_session.ses_key)
600 return -EACCES;
601
602 if (args->lstio_bat_idx < 0 ||
603 args->lstio_bat_namep == NULL ||
604 args->lstio_bat_nmlen <= 0 ||
605 args->lstio_bat_nmlen > LST_NAME_SIZE)
606 return -EINVAL;
607
608 return lstcon_batch_list(args->lstio_bat_idx,
609 args->lstio_bat_nmlen,
610 args->lstio_bat_namep);
611}
612
8d94b6d2 613static int
d7e09d03
PT		 614lst_batch_info_ioctl(lstio_batch_info_args_t *args)
615{
74d68011
MS		 616 char *name;
617 int rc;
618 int index;
619 int ndent;
d7e09d03
PT		 620
621 if (args->lstio_bat_key != console_session.ses_key)
622 return -EACCES;
623
624 if (args->lstio_bat_namep == NULL || /* batch name */
625 args->lstio_bat_nmlen <= 0 ||
626 args->lstio_bat_nmlen > LST_NAME_SIZE)
627 return -EINVAL;
628
629 if (args->lstio_bat_entp == NULL && /* output: batch entry */
630 args->lstio_bat_dentsp == NULL) /* output: node entry */
631 return -EINVAL;
632
633 if (args->lstio_bat_dentsp != NULL) { /* have node entry */
634 if (args->lstio_bat_idxp == NULL || /* node index */
635 args->lstio_bat_ndentp == NULL) /* # of node entry */
636 return -EINVAL;
637
638 if (copy_from_user(&index, args->lstio_bat_idxp,
639 sizeof(index)) ||
640 copy_from_user(&ndent, args->lstio_bat_ndentp,
641 sizeof(ndent)))
642 return -EFAULT;
643
644 if (ndent <= 0 || index < 0)
645 return -EINVAL;
646 }
647
648 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
649 if (name == NULL)
650 return -ENOMEM;
651
652 if (copy_from_user(name,
653 args->lstio_bat_namep, args->lstio_bat_nmlen)) {
654 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
655 return -EFAULT;
656 }
657
658 name[args->lstio_bat_nmlen] = 0;
659
660 rc = lstcon_batch_info(name,
661 args->lstio_bat_entp, args->lstio_bat_server,
662 args->lstio_bat_testidx, &index, &ndent,
663 args->lstio_bat_dentsp);
664
665 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
666
667 if (rc != 0)
668 return rc;
669
670 if (args->lstio_bat_dentsp != NULL &&
671 (copy_to_user(args->lstio_bat_idxp, &index, sizeof(index)) ||
672 copy_to_user(args->lstio_bat_ndentp, &ndent, sizeof(ndent))))
673 rc = -EFAULT;
674
675 return rc;
676}
677
8d94b6d2 678static int
d7e09d03
PT		 679lst_stat_query_ioctl(lstio_stat_args_t *args)
680{
74d68011
MS		 681 int rc;
682 char *name;
d7e09d03
PT		 683
684 /* TODO: not finished */
685 if (args->lstio_sta_key != console_session.ses_key)
686 return -EACCES;
687
688 if (args->lstio_sta_resultp == NULL ||
689 (args->lstio_sta_namep == NULL &&
690 args->lstio_sta_idsp == NULL) ||
691 args->lstio_sta_nmlen <= 0 ||
692 args->lstio_sta_nmlen > LST_NAME_SIZE)
693 return -EINVAL;
694
695 if (args->lstio_sta_idsp != NULL &&
696 args->lstio_sta_count <= 0)
697 return -EINVAL;
698
699 LIBCFS_ALLOC(name, args->lstio_sta_nmlen + 1);
700 if (name == NULL)
701 return -ENOMEM;
702
703 if (copy_from_user(name, args->lstio_sta_namep,
704 args->lstio_sta_nmlen)) {
705 LIBCFS_FREE(name, args->lstio_sta_nmlen + 1);
706 return -EFAULT;
707 }
708
709 if (args->lstio_sta_idsp == NULL) {
710 rc = lstcon_group_stat(name, args->lstio_sta_timeout,
711 args->lstio_sta_resultp);
712 } else {
713 rc = lstcon_nodes_stat(args->lstio_sta_count,
714 args->lstio_sta_idsp,
715 args->lstio_sta_timeout,
716 args->lstio_sta_resultp);
717 }
718
719 LIBCFS_FREE(name, args->lstio_sta_nmlen + 1);
720
721 return rc;
722}
723
f3731cdb 724static int lst_test_add_ioctl(lstio_test_args_t *args)
d7e09d03 725{
d75e265b
AS		 726 char *batch_name;
727 char *src_name = NULL;
728 char *dst_name = NULL;
729 void *param = NULL;
730 int ret = 0;
731 int rc = -ENOMEM;
d7e09d03
PT		 732
733 if (args->lstio_tes_resultp == NULL ||
734 args->lstio_tes_retp == NULL ||
735 args->lstio_tes_bat_name == NULL || /* no specified batch */
736 args->lstio_tes_bat_nmlen <= 0 ||
737 args->lstio_tes_bat_nmlen > LST_NAME_SIZE ||
738 args->lstio_tes_sgrp_name == NULL || /* no source group */
739 args->lstio_tes_sgrp_nmlen <= 0 ||
740 args->lstio_tes_sgrp_nmlen > LST_NAME_SIZE ||
741 args->lstio_tes_dgrp_name == NULL || /* no target group */
742 args->lstio_tes_dgrp_nmlen <= 0 ||
743 args->lstio_tes_dgrp_nmlen > LST_NAME_SIZE)
744 return -EINVAL;
745
746 if (args->lstio_tes_loop == 0 || /* negative is infinite */
747 args->lstio_tes_concur <= 0 ||
748 args->lstio_tes_dist <= 0 ||
749 args->lstio_tes_span <= 0)
750 return -EINVAL;
751
752 /* have parameter, check if parameter length is valid */
753 if (args->lstio_tes_param != NULL &&
754 (args->lstio_tes_param_len <= 0 ||
755 args->lstio_tes_param_len > PAGE_CACHE_SIZE - sizeof(lstcon_test_t)))
756 return -EINVAL;
757
d75e265b
AS		 758 LIBCFS_ALLOC(batch_name, args->lstio_tes_bat_nmlen + 1);
759 if (batch_name == NULL)
d7e09d03
PT		 760 return rc;
761
d75e265b
AS		 762 LIBCFS_ALLOC(src_name, args->lstio_tes_sgrp_nmlen + 1);
763 if (src_name == NULL)
d7e09d03
PT		 764 goto out;
765
d75e265b
AS		 766 LIBCFS_ALLOC(dst_name, args->lstio_tes_dgrp_nmlen + 1);
767 if (dst_name == NULL)
d7e09d03
PT		 768 goto out;
769
770 if (args->lstio_tes_param != NULL) {
771 LIBCFS_ALLOC(param, args->lstio_tes_param_len);
772 if (param == NULL)
773 goto out;
774 }
775
776 rc = -EFAULT;
d75e265b
AS		 777 if (copy_from_user(batch_name, args->lstio_tes_bat_name,
778 args->lstio_tes_bat_nmlen) ||
779 copy_from_user(src_name, args->lstio_tes_sgrp_name,
780 args->lstio_tes_sgrp_nmlen) ||
781 copy_from_user(dst_name, args->lstio_tes_dgrp_name,
782 args->lstio_tes_dgrp_nmlen) ||
d7e09d03
PT		 783 copy_from_user(param, args->lstio_tes_param,
784 args->lstio_tes_param_len))
785 goto out;
786
d75e265b 787 rc = lstcon_test_add(batch_name,
d7e09d03
PT		 788 args->lstio_tes_type,
789 args->lstio_tes_loop,
790 args->lstio_tes_concur,
791 args->lstio_tes_dist, args->lstio_tes_span,
d75e265b
AS		 792 src_name, dst_name, param,
793 args->lstio_tes_param_len,
d7e09d03
PT		 794 &ret, args->lstio_tes_resultp);
795
796 if (ret != 0)
797 rc = (copy_to_user(args->lstio_tes_retp, &ret,
798 sizeof(ret))) ? -EFAULT : 0;
799out:
d75e265b
AS		 800 if (batch_name != NULL)
801 LIBCFS_FREE(batch_name, args->lstio_tes_bat_nmlen + 1);
d7e09d03 802
d75e265b
AS		 803 if (src_name != NULL)
804 LIBCFS_FREE(src_name, args->lstio_tes_sgrp_nmlen + 1);
d7e09d03 805
d75e265b
AS		 806 if (dst_name != NULL)
807 LIBCFS_FREE(dst_name, args->lstio_tes_dgrp_nmlen + 1);
d7e09d03
PT		 808
809 if (param != NULL)
810 LIBCFS_FREE(param, args->lstio_tes_param_len);
811
812 return rc;
813}
814
815int
816lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data)
817{
818 char *buf;
819 int opc = data->ioc_u32[0];
820 int rc;
821
822 if (cmd != IOC_LIBCFS_LNETST)
823 return -EINVAL;
824
825 if (data->ioc_plen1 > PAGE_CACHE_SIZE)
826 return -EINVAL;
827
828 LIBCFS_ALLOC(buf, data->ioc_plen1);
829 if (buf == NULL)
830 return -ENOMEM;
831
832 /* copy in parameter */
833 if (copy_from_user(buf, data->ioc_pbuf1, data->ioc_plen1)) {
834 LIBCFS_FREE(buf, data->ioc_plen1);
835 return -EFAULT;
836 }
837
838 mutex_lock(&console_session.ses_mutex);
839
7264b8a5 840 console_session.ses_laststamp = get_seconds();
d7e09d03
PT		 841
842 if (console_session.ses_shutdown) {
843 rc = -ESHUTDOWN;
844 goto out;
845 }
846
847 if (console_session.ses_expired)
848 lstcon_session_end();
849
850 if (opc != LSTIO_SESSION_NEW &&
851 console_session.ses_state == LST_SESSION_NONE) {
852 CDEBUG(D_NET, "LST no active session\n");
853 rc = -ESRCH;
854 goto out;
855 }
856
857 memset(&console_session.ses_trans_stat, 0, sizeof(lstcon_trans_stat_t));
858
859 switch (opc) {
a18dd470
TG		 860 case LSTIO_SESSION_NEW:
861 rc = lst_session_new_ioctl((lstio_session_new_args_t *)buf);
862 break;
863 case LSTIO_SESSION_END:
864 rc = lst_session_end_ioctl((lstio_session_end_args_t *)buf);
865 break;
866 case LSTIO_SESSION_INFO:
867 rc = lst_session_info_ioctl((lstio_session_info_args_t *)buf);
868 break;
869 case LSTIO_DEBUG:
870 rc = lst_debug_ioctl((lstio_debug_args_t *)buf);
871 break;
872 case LSTIO_GROUP_ADD:
873 rc = lst_group_add_ioctl((lstio_group_add_args_t *)buf);
874 break;
875 case LSTIO_GROUP_DEL:
876 rc = lst_group_del_ioctl((lstio_group_del_args_t *)buf);
877 break;
878 case LSTIO_GROUP_UPDATE:
879 rc = lst_group_update_ioctl((lstio_group_update_args_t *)buf);
880 break;
881 case LSTIO_NODES_ADD:
882 rc = lst_nodes_add_ioctl((lstio_group_nodes_args_t *)buf);
883 break;
884 case LSTIO_GROUP_LIST:
885 rc = lst_group_list_ioctl((lstio_group_list_args_t *)buf);
886 break;
887 case LSTIO_GROUP_INFO:
888 rc = lst_group_info_ioctl((lstio_group_info_args_t *)buf);
889 break;
890 case LSTIO_BATCH_ADD:
891 rc = lst_batch_add_ioctl((lstio_batch_add_args_t *)buf);
892 break;
893 case LSTIO_BATCH_START:
894 rc = lst_batch_run_ioctl((lstio_batch_run_args_t *)buf);
895 break;
896 case LSTIO_BATCH_STOP:
897 rc = lst_batch_stop_ioctl((lstio_batch_stop_args_t *)buf);
898 break;
899 case LSTIO_BATCH_QUERY:
900 rc = lst_batch_query_ioctl((lstio_batch_query_args_t *)buf);
901 break;
902 case LSTIO_BATCH_LIST:
903 rc = lst_batch_list_ioctl((lstio_batch_list_args_t *)buf);
904 break;
905 case LSTIO_BATCH_INFO:
906 rc = lst_batch_info_ioctl((lstio_batch_info_args_t *)buf);
907 break;
908 case LSTIO_TEST_ADD:
909 rc = lst_test_add_ioctl((lstio_test_args_t *)buf);
910 break;
911 case LSTIO_STAT_QUERY:
912 rc = lst_stat_query_ioctl((lstio_stat_args_t *)buf);
913 break;
914 default:
915 rc = -EINVAL;
d7e09d03
PT		 916 }
917
918 if (copy_to_user(data->ioc_pbuf2, &console_session.ses_trans_stat,
919 sizeof(lstcon_trans_stat_t)))
920 rc = -EFAULT;
921out:
922 mutex_unlock(&console_session.ses_mutex);
923
924 LIBCFS_FREE(buf, data->ioc_plen1);
925
926 return rc;
927}
928
929EXPORT_SYMBOL(lstcon_ioctl_entry);
Linux 6.x block layer and io_uring tree(s)