1 /*******************************************************************************
2 * Modern ConfigFS group context specific iSCSI statistics based on original
3 * iscsi_target_mib.c code
5 * Copyright (c) 2011-2013 Datera, Inc.
7 * Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 ******************************************************************************/
20 #include <linux/configfs.h>
21 #include <linux/export.h>
22 #include <scsi/iscsi_proto.h>
23 #include <target/target_core_base.h>
25 #include <target/iscsi/iscsi_target_core.h>
26 #include "iscsi_target_parameters.h"
27 #include "iscsi_target_device.h"
28 #include "iscsi_target_tpg.h"
29 #include "iscsi_target_util.h"
30 #include <target/iscsi/iscsi_target_stat.h>
32 #ifndef INITIAL_JIFFIES
33 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
36 /* Instance Attributes Table */
37 #define ISCSI_INST_NUM_NODES 1
38 #define ISCSI_INST_DESCR "Storage Engine Target"
39 #define ISCSI_INST_LAST_FAILURE_TYPE 0
40 #define ISCSI_DISCONTINUITY_TIME 0
42 #define ISCSI_NODE_INDEX 1
44 #define ISPRINT(a) ((a >= ' ') && (a <= '~'))
46 /****************************************************************************
48 ****************************************************************************/
50 * Instance Attributes Table
52 static struct iscsi_tiqn *iscsi_instance_tiqn(struct config_item *item)
54 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
55 struct iscsi_wwn_stat_grps, iscsi_instance_group);
56 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
59 static ssize_t iscsi_stat_instance_inst_show(struct config_item *item,
62 return snprintf(page, PAGE_SIZE, "%u\n",
63 iscsi_instance_tiqn(item)->tiqn_index);
66 static ssize_t iscsi_stat_instance_min_ver_show(struct config_item *item,
69 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
72 static ssize_t iscsi_stat_instance_max_ver_show(struct config_item *item,
75 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
78 static ssize_t iscsi_stat_instance_portals_show(struct config_item *item,
81 return snprintf(page, PAGE_SIZE, "%u\n",
82 iscsi_instance_tiqn(item)->tiqn_num_tpg_nps);
85 static ssize_t iscsi_stat_instance_nodes_show(struct config_item *item,
88 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
91 static ssize_t iscsi_stat_instance_sessions_show(struct config_item *item,
94 return snprintf(page, PAGE_SIZE, "%u\n",
95 iscsi_instance_tiqn(item)->tiqn_nsessions);
98 static ssize_t iscsi_stat_instance_fail_sess_show(struct config_item *item,
101 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
102 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
105 spin_lock_bh(&sess_err->lock);
106 sess_err_count = (sess_err->digest_errors +
107 sess_err->cxn_timeout_errors +
108 sess_err->pdu_format_errors);
109 spin_unlock_bh(&sess_err->lock);
111 return snprintf(page, PAGE_SIZE, "%u\n", sess_err_count);
114 static ssize_t iscsi_stat_instance_fail_type_show(struct config_item *item,
117 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
118 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
120 return snprintf(page, PAGE_SIZE, "%u\n",
121 sess_err->last_sess_failure_type);
124 static ssize_t iscsi_stat_instance_fail_rem_name_show(struct config_item *item,
127 struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
128 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
130 return snprintf(page, PAGE_SIZE, "%s\n",
131 sess_err->last_sess_fail_rem_name[0] ?
132 sess_err->last_sess_fail_rem_name : NONE);
135 static ssize_t iscsi_stat_instance_disc_time_show(struct config_item *item,
138 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
141 static ssize_t iscsi_stat_instance_description_show(struct config_item *item,
144 return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
147 static ssize_t iscsi_stat_instance_vendor_show(struct config_item *item,
150 return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
153 static ssize_t iscsi_stat_instance_version_show(struct config_item *item,
156 return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
159 CONFIGFS_ATTR_RO(iscsi_stat_instance_, inst);
160 CONFIGFS_ATTR_RO(iscsi_stat_instance_, min_ver);
161 CONFIGFS_ATTR_RO(iscsi_stat_instance_, max_ver);
162 CONFIGFS_ATTR_RO(iscsi_stat_instance_, portals);
163 CONFIGFS_ATTR_RO(iscsi_stat_instance_, nodes);
164 CONFIGFS_ATTR_RO(iscsi_stat_instance_, sessions);
165 CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_sess);
166 CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_type);
167 CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_rem_name);
168 CONFIGFS_ATTR_RO(iscsi_stat_instance_, disc_time);
169 CONFIGFS_ATTR_RO(iscsi_stat_instance_, description);
170 CONFIGFS_ATTR_RO(iscsi_stat_instance_, vendor);
171 CONFIGFS_ATTR_RO(iscsi_stat_instance_, version);
173 static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
174 &iscsi_stat_instance_attr_inst,
175 &iscsi_stat_instance_attr_min_ver,
176 &iscsi_stat_instance_attr_max_ver,
177 &iscsi_stat_instance_attr_portals,
178 &iscsi_stat_instance_attr_nodes,
179 &iscsi_stat_instance_attr_sessions,
180 &iscsi_stat_instance_attr_fail_sess,
181 &iscsi_stat_instance_attr_fail_type,
182 &iscsi_stat_instance_attr_fail_rem_name,
183 &iscsi_stat_instance_attr_disc_time,
184 &iscsi_stat_instance_attr_description,
185 &iscsi_stat_instance_attr_vendor,
186 &iscsi_stat_instance_attr_version,
190 const struct config_item_type iscsi_stat_instance_cit = {
191 .ct_attrs = iscsi_stat_instance_attrs,
192 .ct_owner = THIS_MODULE,
196 * Instance Session Failure Stats Table
198 static struct iscsi_tiqn *iscsi_sess_err_tiqn(struct config_item *item)
200 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
201 struct iscsi_wwn_stat_grps, iscsi_sess_err_group);
202 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
205 static ssize_t iscsi_stat_sess_err_inst_show(struct config_item *item,
208 return snprintf(page, PAGE_SIZE, "%u\n",
209 iscsi_sess_err_tiqn(item)->tiqn_index);
212 static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
215 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
216 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
218 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
221 static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
224 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
225 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
227 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
230 static ssize_t iscsi_stat_sess_err_format_errors_show(struct config_item *item,
233 struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
234 struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
236 return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
239 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
240 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
241 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
242 CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);
244 static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
245 &iscsi_stat_sess_err_attr_inst,
246 &iscsi_stat_sess_err_attr_digest_errors,
247 &iscsi_stat_sess_err_attr_cxn_errors,
248 &iscsi_stat_sess_err_attr_format_errors,
252 const struct config_item_type iscsi_stat_sess_err_cit = {
253 .ct_attrs = iscsi_stat_sess_err_attrs,
254 .ct_owner = THIS_MODULE,
258 * Target Attributes Table
260 static struct iscsi_tiqn *iscsi_tgt_attr_tiqn(struct config_item *item)
262 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
263 struct iscsi_wwn_stat_grps, iscsi_tgt_attr_group);
264 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
267 static ssize_t iscsi_stat_tgt_attr_inst_show(struct config_item *item,
270 return snprintf(page, PAGE_SIZE, "%u\n",
271 iscsi_tgt_attr_tiqn(item)->tiqn_index);
274 static ssize_t iscsi_stat_tgt_attr_indx_show(struct config_item *item,
277 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
280 static ssize_t iscsi_stat_tgt_attr_login_fails_show(struct config_item *item,
283 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
284 struct iscsi_login_stats *lstat = &tiqn->login_stats;
287 spin_lock(&lstat->lock);
288 fail_count = (lstat->redirects + lstat->authorize_fails +
289 lstat->authenticate_fails + lstat->negotiate_fails +
291 spin_unlock(&lstat->lock);
293 return snprintf(page, PAGE_SIZE, "%u\n", fail_count);
296 static ssize_t iscsi_stat_tgt_attr_last_fail_time_show(struct config_item *item,
299 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
300 struct iscsi_login_stats *lstat = &tiqn->login_stats;
303 spin_lock(&lstat->lock);
304 last_fail_time = lstat->last_fail_time ?
305 (u32)(((u32)lstat->last_fail_time -
306 INITIAL_JIFFIES) * 100 / HZ) : 0;
307 spin_unlock(&lstat->lock);
309 return snprintf(page, PAGE_SIZE, "%u\n", last_fail_time);
312 static ssize_t iscsi_stat_tgt_attr_last_fail_type_show(struct config_item *item,
315 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
316 struct iscsi_login_stats *lstat = &tiqn->login_stats;
319 spin_lock(&lstat->lock);
320 last_fail_type = lstat->last_fail_type;
321 spin_unlock(&lstat->lock);
323 return snprintf(page, PAGE_SIZE, "%u\n", last_fail_type);
326 static ssize_t iscsi_stat_tgt_attr_fail_intr_name_show(struct config_item *item,
329 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
330 struct iscsi_login_stats *lstat = &tiqn->login_stats;
331 unsigned char buf[224];
333 spin_lock(&lstat->lock);
334 snprintf(buf, 224, "%s", lstat->last_intr_fail_name[0] ?
335 lstat->last_intr_fail_name : NONE);
336 spin_unlock(&lstat->lock);
338 return snprintf(page, PAGE_SIZE, "%s\n", buf);
341 static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_type_show(struct config_item *item,
344 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
345 struct iscsi_login_stats *lstat = &tiqn->login_stats;
348 spin_lock(&lstat->lock);
349 if (lstat->last_intr_fail_ip_family == AF_INET6)
350 ret = snprintf(page, PAGE_SIZE, "ipv6\n");
352 ret = snprintf(page, PAGE_SIZE, "ipv4\n");
353 spin_unlock(&lstat->lock);
358 static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_show(struct config_item *item,
361 struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
362 struct iscsi_login_stats *lstat = &tiqn->login_stats;
365 spin_lock(&lstat->lock);
366 ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
367 spin_unlock(&lstat->lock);
372 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, inst);
373 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, indx);
374 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, login_fails);
375 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_time);
376 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_type);
377 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_name);
378 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr_type);
379 CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr);
381 static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
382 &iscsi_stat_tgt_attr_attr_inst,
383 &iscsi_stat_tgt_attr_attr_indx,
384 &iscsi_stat_tgt_attr_attr_login_fails,
385 &iscsi_stat_tgt_attr_attr_last_fail_time,
386 &iscsi_stat_tgt_attr_attr_last_fail_type,
387 &iscsi_stat_tgt_attr_attr_fail_intr_name,
388 &iscsi_stat_tgt_attr_attr_fail_intr_addr_type,
389 &iscsi_stat_tgt_attr_attr_fail_intr_addr,
393 const struct config_item_type iscsi_stat_tgt_attr_cit = {
394 .ct_attrs = iscsi_stat_tgt_attr_attrs,
395 .ct_owner = THIS_MODULE,
399 * Target Login Stats Table
401 static struct iscsi_tiqn *iscsi_login_stat_tiqn(struct config_item *item)
403 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
404 struct iscsi_wwn_stat_grps, iscsi_login_stats_group);
405 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
408 static ssize_t iscsi_stat_login_inst_show(struct config_item *item, char *page)
410 return snprintf(page, PAGE_SIZE, "%u\n",
411 iscsi_login_stat_tiqn(item)->tiqn_index);
414 static ssize_t iscsi_stat_login_indx_show(struct config_item *item,
417 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
420 static ssize_t iscsi_stat_login_accepts_show(struct config_item *item,
423 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
424 struct iscsi_login_stats *lstat = &tiqn->login_stats;
427 spin_lock(&lstat->lock);
428 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->accepts);
429 spin_unlock(&lstat->lock);
434 static ssize_t iscsi_stat_login_other_fails_show(struct config_item *item,
437 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
438 struct iscsi_login_stats *lstat = &tiqn->login_stats;
441 spin_lock(&lstat->lock);
442 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->other_fails);
443 spin_unlock(&lstat->lock);
448 static ssize_t iscsi_stat_login_redirects_show(struct config_item *item,
451 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
452 struct iscsi_login_stats *lstat = &tiqn->login_stats;
455 spin_lock(&lstat->lock);
456 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->redirects);
457 spin_unlock(&lstat->lock);
462 static ssize_t iscsi_stat_login_authorize_fails_show(struct config_item *item,
465 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
466 struct iscsi_login_stats *lstat = &tiqn->login_stats;
469 spin_lock(&lstat->lock);
470 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authorize_fails);
471 spin_unlock(&lstat->lock);
476 static ssize_t iscsi_stat_login_authenticate_fails_show(
477 struct config_item *item, char *page)
479 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
480 struct iscsi_login_stats *lstat = &tiqn->login_stats;
483 spin_lock(&lstat->lock);
484 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authenticate_fails);
485 spin_unlock(&lstat->lock);
490 static ssize_t iscsi_stat_login_negotiate_fails_show(struct config_item *item,
493 struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
494 struct iscsi_login_stats *lstat = &tiqn->login_stats;
497 spin_lock(&lstat->lock);
498 ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->negotiate_fails);
499 spin_unlock(&lstat->lock);
504 CONFIGFS_ATTR_RO(iscsi_stat_login_, inst);
505 CONFIGFS_ATTR_RO(iscsi_stat_login_, indx);
506 CONFIGFS_ATTR_RO(iscsi_stat_login_, accepts);
507 CONFIGFS_ATTR_RO(iscsi_stat_login_, other_fails);
508 CONFIGFS_ATTR_RO(iscsi_stat_login_, redirects);
509 CONFIGFS_ATTR_RO(iscsi_stat_login_, authorize_fails);
510 CONFIGFS_ATTR_RO(iscsi_stat_login_, authenticate_fails);
511 CONFIGFS_ATTR_RO(iscsi_stat_login_, negotiate_fails);
513 static struct configfs_attribute *iscsi_stat_login_stats_attrs[] = {
514 &iscsi_stat_login_attr_inst,
515 &iscsi_stat_login_attr_indx,
516 &iscsi_stat_login_attr_accepts,
517 &iscsi_stat_login_attr_other_fails,
518 &iscsi_stat_login_attr_redirects,
519 &iscsi_stat_login_attr_authorize_fails,
520 &iscsi_stat_login_attr_authenticate_fails,
521 &iscsi_stat_login_attr_negotiate_fails,
525 const struct config_item_type iscsi_stat_login_cit = {
526 .ct_attrs = iscsi_stat_login_stats_attrs,
527 .ct_owner = THIS_MODULE,
531 * Target Logout Stats Table
533 static struct iscsi_tiqn *iscsi_logout_stat_tiqn(struct config_item *item)
535 struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
536 struct iscsi_wwn_stat_grps, iscsi_logout_stats_group);
537 return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
540 static ssize_t iscsi_stat_logout_inst_show(struct config_item *item, char *page)
542 return snprintf(page, PAGE_SIZE, "%u\n",
543 iscsi_logout_stat_tiqn(item)->tiqn_index);
546 static ssize_t iscsi_stat_logout_indx_show(struct config_item *item, char *page)
548 return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
551 static ssize_t iscsi_stat_logout_normal_logouts_show(struct config_item *item,
554 struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
555 struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
557 return snprintf(page, PAGE_SIZE, "%u\n", lstats->normal_logouts);
560 static ssize_t iscsi_stat_logout_abnormal_logouts_show(struct config_item *item,
563 struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
564 struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
566 return snprintf(page, PAGE_SIZE, "%u\n", lstats->abnormal_logouts);
569 CONFIGFS_ATTR_RO(iscsi_stat_logout_, inst);
570 CONFIGFS_ATTR_RO(iscsi_stat_logout_, indx);
571 CONFIGFS_ATTR_RO(iscsi_stat_logout_, normal_logouts);
572 CONFIGFS_ATTR_RO(iscsi_stat_logout_, abnormal_logouts);
574 static struct configfs_attribute *iscsi_stat_logout_stats_attrs[] = {
575 &iscsi_stat_logout_attr_inst,
576 &iscsi_stat_logout_attr_indx,
577 &iscsi_stat_logout_attr_normal_logouts,
578 &iscsi_stat_logout_attr_abnormal_logouts,
582 const struct config_item_type iscsi_stat_logout_cit = {
583 .ct_attrs = iscsi_stat_logout_stats_attrs,
584 .ct_owner = THIS_MODULE,
588 * Session Stats Table
590 static struct iscsi_node_acl *iscsi_stat_nacl(struct config_item *item)
592 struct iscsi_node_stat_grps *igrps = container_of(to_config_group(item),
593 struct iscsi_node_stat_grps, iscsi_sess_stats_group);
594 return container_of(igrps, struct iscsi_node_acl, node_stat_grps);
597 static ssize_t iscsi_stat_sess_inst_show(struct config_item *item, char *page)
599 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
600 struct se_wwn *wwn = acl->se_node_acl.se_tpg->se_tpg_wwn;
601 struct iscsi_tiqn *tiqn = container_of(wwn,
602 struct iscsi_tiqn, tiqn_wwn);
604 return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
607 static ssize_t iscsi_stat_sess_node_show(struct config_item *item, char *page)
609 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
610 struct se_node_acl *se_nacl = &acl->se_node_acl;
611 struct iscsi_session *sess;
612 struct se_session *se_sess;
615 spin_lock_bh(&se_nacl->nacl_sess_lock);
616 se_sess = se_nacl->nacl_sess;
618 sess = se_sess->fabric_sess_ptr;
620 ret = snprintf(page, PAGE_SIZE, "%u\n",
621 sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
623 spin_unlock_bh(&se_nacl->nacl_sess_lock);
628 static ssize_t iscsi_stat_sess_indx_show(struct config_item *item, char *page)
630 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
631 struct se_node_acl *se_nacl = &acl->se_node_acl;
632 struct iscsi_session *sess;
633 struct se_session *se_sess;
636 spin_lock_bh(&se_nacl->nacl_sess_lock);
637 se_sess = se_nacl->nacl_sess;
639 sess = se_sess->fabric_sess_ptr;
641 ret = snprintf(page, PAGE_SIZE, "%u\n",
642 sess->session_index);
644 spin_unlock_bh(&se_nacl->nacl_sess_lock);
649 static ssize_t iscsi_stat_sess_cmd_pdus_show(struct config_item *item,
652 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
653 struct se_node_acl *se_nacl = &acl->se_node_acl;
654 struct iscsi_session *sess;
655 struct se_session *se_sess;
658 spin_lock_bh(&se_nacl->nacl_sess_lock);
659 se_sess = se_nacl->nacl_sess;
661 sess = se_sess->fabric_sess_ptr;
663 ret = snprintf(page, PAGE_SIZE, "%lu\n",
664 atomic_long_read(&sess->cmd_pdus));
666 spin_unlock_bh(&se_nacl->nacl_sess_lock);
671 static ssize_t iscsi_stat_sess_rsp_pdus_show(struct config_item *item,
674 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
675 struct se_node_acl *se_nacl = &acl->se_node_acl;
676 struct iscsi_session *sess;
677 struct se_session *se_sess;
680 spin_lock_bh(&se_nacl->nacl_sess_lock);
681 se_sess = se_nacl->nacl_sess;
683 sess = se_sess->fabric_sess_ptr;
685 ret = snprintf(page, PAGE_SIZE, "%lu\n",
686 atomic_long_read(&sess->rsp_pdus));
688 spin_unlock_bh(&se_nacl->nacl_sess_lock);
693 static ssize_t iscsi_stat_sess_txdata_octs_show(struct config_item *item,
696 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
697 struct se_node_acl *se_nacl = &acl->se_node_acl;
698 struct iscsi_session *sess;
699 struct se_session *se_sess;
702 spin_lock_bh(&se_nacl->nacl_sess_lock);
703 se_sess = se_nacl->nacl_sess;
705 sess = se_sess->fabric_sess_ptr;
707 ret = snprintf(page, PAGE_SIZE, "%lu\n",
708 atomic_long_read(&sess->tx_data_octets));
710 spin_unlock_bh(&se_nacl->nacl_sess_lock);
715 static ssize_t iscsi_stat_sess_rxdata_octs_show(struct config_item *item,
718 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
719 struct se_node_acl *se_nacl = &acl->se_node_acl;
720 struct iscsi_session *sess;
721 struct se_session *se_sess;
724 spin_lock_bh(&se_nacl->nacl_sess_lock);
725 se_sess = se_nacl->nacl_sess;
727 sess = se_sess->fabric_sess_ptr;
729 ret = snprintf(page, PAGE_SIZE, "%lu\n",
730 atomic_long_read(&sess->rx_data_octets));
732 spin_unlock_bh(&se_nacl->nacl_sess_lock);
737 static ssize_t iscsi_stat_sess_conn_digest_errors_show(struct config_item *item,
740 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
741 struct se_node_acl *se_nacl = &acl->se_node_acl;
742 struct iscsi_session *sess;
743 struct se_session *se_sess;
746 spin_lock_bh(&se_nacl->nacl_sess_lock);
747 se_sess = se_nacl->nacl_sess;
749 sess = se_sess->fabric_sess_ptr;
751 ret = snprintf(page, PAGE_SIZE, "%lu\n",
752 atomic_long_read(&sess->conn_digest_errors));
754 spin_unlock_bh(&se_nacl->nacl_sess_lock);
759 static ssize_t iscsi_stat_sess_conn_timeout_errors_show(
760 struct config_item *item, char *page)
762 struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
763 struct se_node_acl *se_nacl = &acl->se_node_acl;
764 struct iscsi_session *sess;
765 struct se_session *se_sess;
768 spin_lock_bh(&se_nacl->nacl_sess_lock);
769 se_sess = se_nacl->nacl_sess;
771 sess = se_sess->fabric_sess_ptr;
773 ret = snprintf(page, PAGE_SIZE, "%lu\n",
774 atomic_long_read(&sess->conn_timeout_errors));
776 spin_unlock_bh(&se_nacl->nacl_sess_lock);
781 CONFIGFS_ATTR_RO(iscsi_stat_sess_, inst);
782 CONFIGFS_ATTR_RO(iscsi_stat_sess_, node);
783 CONFIGFS_ATTR_RO(iscsi_stat_sess_, indx);
784 CONFIGFS_ATTR_RO(iscsi_stat_sess_, cmd_pdus);
785 CONFIGFS_ATTR_RO(iscsi_stat_sess_, rsp_pdus);
786 CONFIGFS_ATTR_RO(iscsi_stat_sess_, txdata_octs);
787 CONFIGFS_ATTR_RO(iscsi_stat_sess_, rxdata_octs);
788 CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_digest_errors);
789 CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_timeout_errors);
791 static struct configfs_attribute *iscsi_stat_sess_stats_attrs[] = {
792 &iscsi_stat_sess_attr_inst,
793 &iscsi_stat_sess_attr_node,
794 &iscsi_stat_sess_attr_indx,
795 &iscsi_stat_sess_attr_cmd_pdus,
796 &iscsi_stat_sess_attr_rsp_pdus,
797 &iscsi_stat_sess_attr_txdata_octs,
798 &iscsi_stat_sess_attr_rxdata_octs,
799 &iscsi_stat_sess_attr_conn_digest_errors,
800 &iscsi_stat_sess_attr_conn_timeout_errors,
804 const struct config_item_type iscsi_stat_sess_cit = {
805 .ct_attrs = iscsi_stat_sess_stats_attrs,
806 .ct_owner = THIS_MODULE,