4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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
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
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lnet/selftest/conctl.c
38 * IOC handle in kernel
40 * Author: Liang Zhen <liangzhen@clusterfs.com>
43 #include <libcfs/libcfs.h>
44 #include <lnet/lib-lnet.h>
45 #include <lnet/lnetst.h>
49 lst_session_new_ioctl(lstio_session_new_args_t *args)
54 if (args->lstio_ses_idp == NULL || /* address for output sid */
55 args->lstio_ses_key == 0 || /* no key is specified */
56 args->lstio_ses_namep == NULL || /* session name */
57 args->lstio_ses_nmlen <= 0 ||
58 args->lstio_ses_nmlen > LST_NAME_SIZE)
61 LIBCFS_ALLOC(name, args->lstio_ses_nmlen + 1);
65 if (copy_from_user(name, args->lstio_ses_namep,
66 args->lstio_ses_nmlen)) {
67 LIBCFS_FREE(name, args->lstio_ses_nmlen + 1);
71 name[args->lstio_ses_nmlen] = 0;
73 rc = lstcon_session_new(name,
75 args->lstio_ses_feats,
76 args->lstio_ses_force,
77 args->lstio_ses_timeout,
80 LIBCFS_FREE(name, args->lstio_ses_nmlen + 1);
85 lst_session_end_ioctl(lstio_session_end_args_t *args)
87 if (args->lstio_ses_key != console_session.ses_key)
90 return lstcon_session_end();
94 lst_session_info_ioctl(lstio_session_info_args_t *args)
96 /* no checking of key */
98 if (args->lstio_ses_idp == NULL || /* address for ouput sid */
99 args->lstio_ses_keyp == NULL || /* address for ouput key */
100 args->lstio_ses_featp == NULL || /* address for ouput features */
101 args->lstio_ses_ndinfo == NULL || /* address for output ndinfo */
102 args->lstio_ses_namep == NULL || /* address for ouput name */
103 args->lstio_ses_nmlen <= 0 ||
104 args->lstio_ses_nmlen > LST_NAME_SIZE)
107 return lstcon_session_info(args->lstio_ses_idp,
108 args->lstio_ses_keyp,
109 args->lstio_ses_featp,
110 args->lstio_ses_ndinfo,
111 args->lstio_ses_namep,
112 args->lstio_ses_nmlen);
116 lst_debug_ioctl(lstio_debug_args_t *args)
122 if (args->lstio_dbg_key != console_session.ses_key)
125 if (args->lstio_dbg_resultp == NULL)
128 if (args->lstio_dbg_namep != NULL && /* name of batch/group */
129 (args->lstio_dbg_nmlen <= 0 ||
130 args->lstio_dbg_nmlen > LST_NAME_SIZE))
133 if (args->lstio_dbg_namep != NULL) {
134 LIBCFS_ALLOC(name, args->lstio_dbg_nmlen + 1);
138 if (copy_from_user(name, args->lstio_dbg_namep,
139 args->lstio_dbg_nmlen)) {
140 LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1);
145 name[args->lstio_dbg_nmlen] = 0;
150 switch (args->lstio_dbg_type) {
151 case LST_OPC_SESSION:
152 rc = lstcon_session_debug(args->lstio_dbg_timeout,
153 args->lstio_dbg_resultp);
156 case LST_OPC_BATCHSRV:
158 case LST_OPC_BATCHCLI:
162 rc = lstcon_batch_debug(args->lstio_dbg_timeout,
163 name, client, args->lstio_dbg_resultp);
170 rc = lstcon_group_debug(args->lstio_dbg_timeout,
171 name, args->lstio_dbg_resultp);
175 if (args->lstio_dbg_count <= 0 ||
176 args->lstio_dbg_idsp == NULL)
179 rc = lstcon_nodes_debug(args->lstio_dbg_timeout,
180 args->lstio_dbg_count,
181 args->lstio_dbg_idsp,
182 args->lstio_dbg_resultp);
191 LIBCFS_FREE(name, args->lstio_dbg_nmlen + 1);
197 lst_group_add_ioctl(lstio_group_add_args_t *args)
202 if (args->lstio_grp_key != console_session.ses_key)
205 if (args->lstio_grp_namep == NULL||
206 args->lstio_grp_nmlen <= 0 ||
207 args->lstio_grp_nmlen > LST_NAME_SIZE)
210 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
214 if (copy_from_user(name, args->lstio_grp_namep,
215 args->lstio_grp_nmlen)) {
216 LIBCFS_FREE(name, args->lstio_grp_nmlen);
220 name[args->lstio_grp_nmlen] = 0;
222 rc = lstcon_group_add(name);
224 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
230 lst_group_del_ioctl(lstio_group_del_args_t *args)
235 if (args->lstio_grp_key != console_session.ses_key)
238 if (args->lstio_grp_namep == NULL ||
239 args->lstio_grp_nmlen <= 0 ||
240 args->lstio_grp_nmlen > LST_NAME_SIZE)
243 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
247 if (copy_from_user(name, args->lstio_grp_namep,
248 args->lstio_grp_nmlen)) {
249 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
253 name[args->lstio_grp_nmlen] = 0;
255 rc = lstcon_group_del(name);
257 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
263 lst_group_update_ioctl(lstio_group_update_args_t *args)
268 if (args->lstio_grp_key != console_session.ses_key)
271 if (args->lstio_grp_resultp == NULL ||
272 args->lstio_grp_namep == NULL ||
273 args->lstio_grp_nmlen <= 0 ||
274 args->lstio_grp_nmlen > LST_NAME_SIZE)
277 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
281 if (copy_from_user(name, args->lstio_grp_namep,
282 args->lstio_grp_nmlen)) {
283 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
287 name[args->lstio_grp_nmlen] = 0;
289 switch (args->lstio_grp_opc) {
290 case LST_GROUP_CLEAN:
291 rc = lstcon_group_clean(name, args->lstio_grp_args);
294 case LST_GROUP_REFRESH:
295 rc = lstcon_group_refresh(name, args->lstio_grp_resultp);
299 if (args->lstio_grp_count <= 0 ||
300 args->lstio_grp_idsp == NULL) {
304 rc = lstcon_nodes_remove(name, args->lstio_grp_count,
305 args->lstio_grp_idsp,
306 args->lstio_grp_resultp);
314 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
320 lst_nodes_add_ioctl(lstio_group_nodes_args_t *args)
326 if (args->lstio_grp_key != console_session.ses_key)
329 if (args->lstio_grp_idsp == NULL || /* array of ids */
330 args->lstio_grp_count <= 0 ||
331 args->lstio_grp_resultp == NULL ||
332 args->lstio_grp_featp == NULL ||
333 args->lstio_grp_namep == NULL ||
334 args->lstio_grp_nmlen <= 0 ||
335 args->lstio_grp_nmlen > LST_NAME_SIZE)
338 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
342 if (copy_from_user(name, args->lstio_grp_namep,
343 args->lstio_grp_nmlen)) {
344 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
349 name[args->lstio_grp_nmlen] = 0;
351 rc = lstcon_nodes_add(name, args->lstio_grp_count,
352 args->lstio_grp_idsp, &feats,
353 args->lstio_grp_resultp);
355 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
357 copy_to_user(args->lstio_grp_featp, &feats, sizeof(feats))) {
365 lst_group_list_ioctl(lstio_group_list_args_t *args)
367 if (args->lstio_grp_key != console_session.ses_key)
370 if (args->lstio_grp_idx < 0 ||
371 args->lstio_grp_namep == NULL ||
372 args->lstio_grp_nmlen <= 0 ||
373 args->lstio_grp_nmlen > LST_NAME_SIZE)
376 return lstcon_group_list(args->lstio_grp_idx,
377 args->lstio_grp_nmlen,
378 args->lstio_grp_namep);
382 lst_group_info_ioctl(lstio_group_info_args_t *args)
389 if (args->lstio_grp_key != console_session.ses_key)
392 if (args->lstio_grp_namep == NULL ||
393 args->lstio_grp_nmlen <= 0 ||
394 args->lstio_grp_nmlen > LST_NAME_SIZE)
397 if (args->lstio_grp_entp == NULL && /* output: group entry */
398 args->lstio_grp_dentsp == NULL) /* output: node entry */
401 if (args->lstio_grp_dentsp != NULL) { /* have node entry */
402 if (args->lstio_grp_idxp == NULL || /* node index */
403 args->lstio_grp_ndentp == NULL) /* # of node entry */
406 if (copy_from_user(&ndent, args->lstio_grp_ndentp,
408 copy_from_user(&index, args->lstio_grp_idxp,
412 if (ndent <= 0 || index < 0)
416 LIBCFS_ALLOC(name, args->lstio_grp_nmlen + 1);
420 if (copy_from_user(name, args->lstio_grp_namep,
421 args->lstio_grp_nmlen)) {
422 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
426 name[args->lstio_grp_nmlen] = 0;
428 rc = lstcon_group_info(name, args->lstio_grp_entp,
429 &index, &ndent, args->lstio_grp_dentsp);
431 LIBCFS_FREE(name, args->lstio_grp_nmlen + 1);
436 if (args->lstio_grp_dentsp != NULL &&
437 (copy_to_user(args->lstio_grp_idxp, &index, sizeof(index)) ||
438 copy_to_user(args->lstio_grp_ndentp, &ndent, sizeof(ndent))))
445 lst_batch_add_ioctl(lstio_batch_add_args_t *args)
450 if (args->lstio_bat_key != console_session.ses_key)
453 if (args->lstio_bat_namep == NULL ||
454 args->lstio_bat_nmlen <= 0 ||
455 args->lstio_bat_nmlen > LST_NAME_SIZE)
458 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
462 if (copy_from_user(name, args->lstio_bat_namep,
463 args->lstio_bat_nmlen)) {
464 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
468 name[args->lstio_bat_nmlen] = 0;
470 rc = lstcon_batch_add(name);
472 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
478 lst_batch_run_ioctl(lstio_batch_run_args_t *args)
483 if (args->lstio_bat_key != console_session.ses_key)
486 if (args->lstio_bat_namep == NULL ||
487 args->lstio_bat_nmlen <= 0 ||
488 args->lstio_bat_nmlen > LST_NAME_SIZE)
491 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
495 if (copy_from_user(name, args->lstio_bat_namep,
496 args->lstio_bat_nmlen)) {
497 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
501 name[args->lstio_bat_nmlen] = 0;
503 rc = lstcon_batch_run(name, args->lstio_bat_timeout,
504 args->lstio_bat_resultp);
506 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
512 lst_batch_stop_ioctl(lstio_batch_stop_args_t *args)
517 if (args->lstio_bat_key != console_session.ses_key)
520 if (args->lstio_bat_resultp == NULL ||
521 args->lstio_bat_namep == NULL ||
522 args->lstio_bat_nmlen <= 0 ||
523 args->lstio_bat_nmlen > LST_NAME_SIZE)
526 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
530 if (copy_from_user(name, args->lstio_bat_namep,
531 args->lstio_bat_nmlen)) {
532 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
536 name[args->lstio_bat_nmlen] = 0;
538 rc = lstcon_batch_stop(name, args->lstio_bat_force,
539 args->lstio_bat_resultp);
541 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
547 lst_batch_query_ioctl(lstio_batch_query_args_t *args)
552 if (args->lstio_bat_key != console_session.ses_key)
555 if (args->lstio_bat_resultp == NULL ||
556 args->lstio_bat_namep == NULL ||
557 args->lstio_bat_nmlen <= 0 ||
558 args->lstio_bat_nmlen > LST_NAME_SIZE)
561 if (args->lstio_bat_testidx < 0)
564 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
568 if (copy_from_user(name, args->lstio_bat_namep,
569 args->lstio_bat_nmlen)) {
570 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
574 name[args->lstio_bat_nmlen] = 0;
576 rc = lstcon_test_batch_query(name,
577 args->lstio_bat_testidx,
578 args->lstio_bat_client,
579 args->lstio_bat_timeout,
580 args->lstio_bat_resultp);
582 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
588 lst_batch_list_ioctl(lstio_batch_list_args_t *args)
590 if (args->lstio_bat_key != console_session.ses_key)
593 if (args->lstio_bat_idx < 0 ||
594 args->lstio_bat_namep == NULL ||
595 args->lstio_bat_nmlen <= 0 ||
596 args->lstio_bat_nmlen > LST_NAME_SIZE)
599 return lstcon_batch_list(args->lstio_bat_idx,
600 args->lstio_bat_nmlen,
601 args->lstio_bat_namep);
605 lst_batch_info_ioctl(lstio_batch_info_args_t *args)
612 if (args->lstio_bat_key != console_session.ses_key)
615 if (args->lstio_bat_namep == NULL || /* batch name */
616 args->lstio_bat_nmlen <= 0 ||
617 args->lstio_bat_nmlen > LST_NAME_SIZE)
620 if (args->lstio_bat_entp == NULL && /* output: batch entry */
621 args->lstio_bat_dentsp == NULL) /* output: node entry */
624 if (args->lstio_bat_dentsp != NULL) { /* have node entry */
625 if (args->lstio_bat_idxp == NULL || /* node index */
626 args->lstio_bat_ndentp == NULL) /* # of node entry */
629 if (copy_from_user(&index, args->lstio_bat_idxp,
631 copy_from_user(&ndent, args->lstio_bat_ndentp,
635 if (ndent <= 0 || index < 0)
639 LIBCFS_ALLOC(name, args->lstio_bat_nmlen + 1);
643 if (copy_from_user(name, args->lstio_bat_namep,
644 args->lstio_bat_nmlen)) {
645 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
649 name[args->lstio_bat_nmlen] = 0;
651 rc = lstcon_batch_info(name,
652 args->lstio_bat_entp, args->lstio_bat_server,
653 args->lstio_bat_testidx, &index, &ndent,
654 args->lstio_bat_dentsp);
656 LIBCFS_FREE(name, args->lstio_bat_nmlen + 1);
661 if (args->lstio_bat_dentsp != NULL &&
662 (copy_to_user(args->lstio_bat_idxp, &index, sizeof(index)) ||
663 copy_to_user(args->lstio_bat_ndentp, &ndent, sizeof(ndent))))
670 lst_stat_query_ioctl(lstio_stat_args_t *args)
675 /* TODO: not finished */
676 if (args->lstio_sta_key != console_session.ses_key)
679 if (args->lstio_sta_resultp == NULL)
682 if (args->lstio_sta_idsp != NULL) {
683 if (args->lstio_sta_count <= 0)
686 rc = lstcon_nodes_stat(args->lstio_sta_count,
687 args->lstio_sta_idsp,
688 args->lstio_sta_timeout,
689 args->lstio_sta_resultp);
690 } else if (args->lstio_sta_namep != NULL) {
691 if (args->lstio_sta_nmlen <= 0 ||
692 args->lstio_sta_nmlen > LST_NAME_SIZE)
695 LIBCFS_ALLOC(name, args->lstio_sta_nmlen + 1);
699 rc = copy_from_user(name, args->lstio_sta_namep,
700 args->lstio_sta_nmlen);
702 rc = lstcon_group_stat(name, args->lstio_sta_timeout,
703 args->lstio_sta_resultp);
712 LIBCFS_FREE(name, args->lstio_sta_nmlen + 1);
716 static int lst_test_add_ioctl(lstio_test_args_t *args)
719 char *src_name = NULL;
720 char *dst_name = NULL;
725 if (args->lstio_tes_resultp == NULL ||
726 args->lstio_tes_retp == NULL ||
727 args->lstio_tes_bat_name == NULL || /* no specified batch */
728 args->lstio_tes_bat_nmlen <= 0 ||
729 args->lstio_tes_bat_nmlen > LST_NAME_SIZE ||
730 args->lstio_tes_sgrp_name == NULL || /* no source group */
731 args->lstio_tes_sgrp_nmlen <= 0 ||
732 args->lstio_tes_sgrp_nmlen > LST_NAME_SIZE ||
733 args->lstio_tes_dgrp_name == NULL || /* no target group */
734 args->lstio_tes_dgrp_nmlen <= 0 ||
735 args->lstio_tes_dgrp_nmlen > LST_NAME_SIZE)
738 if (args->lstio_tes_loop == 0 || /* negative is infinite */
739 args->lstio_tes_concur <= 0 ||
740 args->lstio_tes_dist <= 0 ||
741 args->lstio_tes_span <= 0)
744 /* have parameter, check if parameter length is valid */
745 if (args->lstio_tes_param != NULL &&
746 (args->lstio_tes_param_len <= 0 ||
747 args->lstio_tes_param_len >
748 PAGE_CACHE_SIZE - sizeof(lstcon_test_t)))
751 LIBCFS_ALLOC(batch_name, args->lstio_tes_bat_nmlen + 1);
752 if (batch_name == NULL)
755 LIBCFS_ALLOC(src_name, args->lstio_tes_sgrp_nmlen + 1);
756 if (src_name == NULL)
759 LIBCFS_ALLOC(dst_name, args->lstio_tes_dgrp_nmlen + 1);
760 if (dst_name == NULL)
763 if (args->lstio_tes_param != NULL) {
764 LIBCFS_ALLOC(param, args->lstio_tes_param_len);
767 if (copy_from_user(param, args->lstio_tes_param,
768 args->lstio_tes_param_len)) {
775 if (copy_from_user(batch_name, args->lstio_tes_bat_name,
776 args->lstio_tes_bat_nmlen) ||
777 copy_from_user(src_name, args->lstio_tes_sgrp_name,
778 args->lstio_tes_sgrp_nmlen) ||
779 copy_from_user(dst_name, args->lstio_tes_dgrp_name,
780 args->lstio_tes_dgrp_nmlen))
783 rc = lstcon_test_add(batch_name,
784 args->lstio_tes_type,
785 args->lstio_tes_loop,
786 args->lstio_tes_concur,
787 args->lstio_tes_dist, args->lstio_tes_span,
788 src_name, dst_name, param,
789 args->lstio_tes_param_len,
790 &ret, args->lstio_tes_resultp);
793 rc = (copy_to_user(args->lstio_tes_retp, &ret,
794 sizeof(ret))) ? -EFAULT : 0;
796 if (batch_name != NULL)
797 LIBCFS_FREE(batch_name, args->lstio_tes_bat_nmlen + 1);
799 if (src_name != NULL)
800 LIBCFS_FREE(src_name, args->lstio_tes_sgrp_nmlen + 1);
802 if (dst_name != NULL)
803 LIBCFS_FREE(dst_name, args->lstio_tes_dgrp_nmlen + 1);
806 LIBCFS_FREE(param, args->lstio_tes_param_len);
812 lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr)
815 struct libcfs_ioctl_data *data;
819 if (cmd != IOC_LIBCFS_LNETST)
822 data = container_of(hdr, struct libcfs_ioctl_data, ioc_hdr);
824 opc = data->ioc_u32[0];
826 if (data->ioc_plen1 > PAGE_CACHE_SIZE)
829 LIBCFS_ALLOC(buf, data->ioc_plen1);
833 /* copy in parameter */
834 if (copy_from_user(buf, data->ioc_pbuf1, data->ioc_plen1)) {
835 LIBCFS_FREE(buf, data->ioc_plen1);
839 mutex_lock(&console_session.ses_mutex);
841 console_session.ses_laststamp = cfs_time_current_sec();
843 if (console_session.ses_shutdown) {
848 if (console_session.ses_expired)
849 lstcon_session_end();
851 if (opc != LSTIO_SESSION_NEW &&
852 console_session.ses_state == LST_SESSION_NONE) {
853 CDEBUG(D_NET, "LST no active session\n");
858 memset(&console_session.ses_trans_stat, 0, sizeof(lstcon_trans_stat_t));
861 case LSTIO_SESSION_NEW:
862 rc = lst_session_new_ioctl((lstio_session_new_args_t *)buf);
864 case LSTIO_SESSION_END:
865 rc = lst_session_end_ioctl((lstio_session_end_args_t *)buf);
867 case LSTIO_SESSION_INFO:
868 rc = lst_session_info_ioctl((lstio_session_info_args_t *)buf);
871 rc = lst_debug_ioctl((lstio_debug_args_t *)buf);
873 case LSTIO_GROUP_ADD:
874 rc = lst_group_add_ioctl((lstio_group_add_args_t *)buf);
876 case LSTIO_GROUP_DEL:
877 rc = lst_group_del_ioctl((lstio_group_del_args_t *)buf);
879 case LSTIO_GROUP_UPDATE:
880 rc = lst_group_update_ioctl((lstio_group_update_args_t *)buf);
882 case LSTIO_NODES_ADD:
883 rc = lst_nodes_add_ioctl((lstio_group_nodes_args_t *)buf);
885 case LSTIO_GROUP_LIST:
886 rc = lst_group_list_ioctl((lstio_group_list_args_t *)buf);
888 case LSTIO_GROUP_INFO:
889 rc = lst_group_info_ioctl((lstio_group_info_args_t *)buf);
891 case LSTIO_BATCH_ADD:
892 rc = lst_batch_add_ioctl((lstio_batch_add_args_t *)buf);
894 case LSTIO_BATCH_START:
895 rc = lst_batch_run_ioctl((lstio_batch_run_args_t *)buf);
897 case LSTIO_BATCH_STOP:
898 rc = lst_batch_stop_ioctl((lstio_batch_stop_args_t *)buf);
900 case LSTIO_BATCH_QUERY:
901 rc = lst_batch_query_ioctl((lstio_batch_query_args_t *)buf);
903 case LSTIO_BATCH_LIST:
904 rc = lst_batch_list_ioctl((lstio_batch_list_args_t *)buf);
906 case LSTIO_BATCH_INFO:
907 rc = lst_batch_info_ioctl((lstio_batch_info_args_t *)buf);
910 rc = lst_test_add_ioctl((lstio_test_args_t *)buf);
912 case LSTIO_STAT_QUERY:
913 rc = lst_stat_query_ioctl((lstio_stat_args_t *)buf);
919 if (copy_to_user(data->ioc_pbuf2, &console_session.ses_trans_stat,
920 sizeof(lstcon_trans_stat_t)))
923 mutex_unlock(&console_session.ses_mutex);
925 LIBCFS_FREE(buf, data->ioc_plen1);