1 /*******************************************************************************
2 * This file contains iSCSI Target Portal Group related functions.
4 * (c) Copyright 2007-2013 Datera, Inc.
6 * Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 ******************************************************************************/
19 #include <target/target_core_base.h>
20 #include <target/target_core_fabric.h>
21 #include <target/target_core_configfs.h>
23 #include <target/iscsi/iscsi_target_core.h>
24 #include "iscsi_target_erl0.h"
25 #include "iscsi_target_login.h"
26 #include "iscsi_target_nodeattrib.h"
27 #include "iscsi_target_tpg.h"
28 #include "iscsi_target_util.h"
29 #include "iscsi_target.h"
30 #include "iscsi_target_parameters.h"
32 #include <target/iscsi/iscsi_transport.h>
34 struct iscsi_portal_group *iscsit_alloc_portal_group(struct iscsi_tiqn *tiqn, u16 tpgt)
36 struct iscsi_portal_group *tpg;
38 tpg = kzalloc(sizeof(struct iscsi_portal_group), GFP_KERNEL);
40 pr_err("Unable to allocate struct iscsi_portal_group\n");
45 tpg->tpg_state = TPG_STATE_FREE;
47 INIT_LIST_HEAD(&tpg->tpg_gnp_list);
48 INIT_LIST_HEAD(&tpg->tpg_list);
49 mutex_init(&tpg->tpg_access_lock);
50 sema_init(&tpg->np_login_sem, 1);
51 spin_lock_init(&tpg->tpg_state_lock);
52 spin_lock_init(&tpg->tpg_np_lock);
57 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *);
59 int iscsit_load_discovery_tpg(void)
61 struct iscsi_param *param;
62 struct iscsi_portal_group *tpg;
65 tpg = iscsit_alloc_portal_group(NULL, 1);
67 pr_err("Unable to allocate struct iscsi_portal_group\n");
71 ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg,
72 tpg, TRANSPORT_TPG_TYPE_DISCOVERY);
78 tpg->sid = 1; /* First Assigned LIO Session ID */
79 iscsit_set_default_tpg_attribs(tpg);
81 if (iscsi_create_default_params(&tpg->param_list) < 0)
84 * By default we disable authentication for discovery sessions,
85 * this can be changed with:
87 * /sys/kernel/config/target/iscsi/discovery_auth/enforce_discovery_auth
89 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
93 if (iscsi_update_param_value(param, "CHAP,None") < 0)
96 tpg->tpg_attrib.authentication = 0;
98 spin_lock(&tpg->tpg_state_lock);
99 tpg->tpg_state = TPG_STATE_ACTIVE;
100 spin_unlock(&tpg->tpg_state_lock);
102 iscsit_global->discovery_tpg = tpg;
103 pr_debug("CORE[0] - Allocated Discovery TPG\n");
108 core_tpg_deregister(&tpg->tpg_se_tpg);
113 void iscsit_release_discovery_tpg(void)
115 struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;
120 core_tpg_deregister(&tpg->tpg_se_tpg);
123 iscsit_global->discovery_tpg = NULL;
126 struct iscsi_portal_group *iscsit_get_tpg_from_np(
127 struct iscsi_tiqn *tiqn,
129 struct iscsi_tpg_np **tpg_np_out)
131 struct iscsi_portal_group *tpg = NULL;
132 struct iscsi_tpg_np *tpg_np;
134 spin_lock(&tiqn->tiqn_tpg_lock);
135 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
137 spin_lock(&tpg->tpg_state_lock);
138 if (tpg->tpg_state != TPG_STATE_ACTIVE) {
139 spin_unlock(&tpg->tpg_state_lock);
142 spin_unlock(&tpg->tpg_state_lock);
144 spin_lock(&tpg->tpg_np_lock);
145 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
146 if (tpg_np->tpg_np == np) {
147 *tpg_np_out = tpg_np;
148 kref_get(&tpg_np->tpg_np_kref);
149 spin_unlock(&tpg->tpg_np_lock);
150 spin_unlock(&tiqn->tiqn_tpg_lock);
154 spin_unlock(&tpg->tpg_np_lock);
156 spin_unlock(&tiqn->tiqn_tpg_lock);
162 struct iscsi_portal_group *tpg)
164 return mutex_lock_interruptible(&tpg->tpg_access_lock);
167 void iscsit_put_tpg(struct iscsi_portal_group *tpg)
169 mutex_unlock(&tpg->tpg_access_lock);
172 static void iscsit_clear_tpg_np_login_thread(
173 struct iscsi_tpg_np *tpg_np,
174 struct iscsi_portal_group *tpg,
177 if (!tpg_np->tpg_np) {
178 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
183 tpg_np->tpg_np->enabled = false;
184 iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);
187 static void iscsit_clear_tpg_np_login_threads(
188 struct iscsi_portal_group *tpg,
191 struct iscsi_tpg_np *tpg_np;
193 spin_lock(&tpg->tpg_np_lock);
194 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
195 if (!tpg_np->tpg_np) {
196 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
199 spin_unlock(&tpg->tpg_np_lock);
200 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);
201 spin_lock(&tpg->tpg_np_lock);
203 spin_unlock(&tpg->tpg_np_lock);
206 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)
208 iscsi_print_params(tpg->param_list);
211 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)
213 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
215 a->authentication = TA_AUTHENTICATION;
216 a->login_timeout = TA_LOGIN_TIMEOUT;
217 a->netif_timeout = TA_NETIF_TIMEOUT;
218 a->default_cmdsn_depth = TA_DEFAULT_CMDSN_DEPTH;
219 a->generate_node_acls = TA_GENERATE_NODE_ACLS;
220 a->cache_dynamic_acls = TA_CACHE_DYNAMIC_ACLS;
221 a->demo_mode_write_protect = TA_DEMO_MODE_WRITE_PROTECT;
222 a->prod_mode_write_protect = TA_PROD_MODE_WRITE_PROTECT;
223 a->demo_mode_discovery = TA_DEMO_MODE_DISCOVERY;
224 a->default_erl = TA_DEFAULT_ERL;
225 a->t10_pi = TA_DEFAULT_T10_PI;
226 a->fabric_prot_type = TA_DEFAULT_FABRIC_PROT_TYPE;
229 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)
231 if (tpg->tpg_state != TPG_STATE_FREE) {
232 pr_err("Unable to add iSCSI Target Portal Group: %d"
233 " while not in TPG_STATE_FREE state.\n", tpg->tpgt);
236 iscsit_set_default_tpg_attribs(tpg);
238 if (iscsi_create_default_params(&tpg->param_list) < 0)
241 tpg->tpg_attrib.tpg = tpg;
243 spin_lock(&tpg->tpg_state_lock);
244 tpg->tpg_state = TPG_STATE_INACTIVE;
245 spin_unlock(&tpg->tpg_state_lock);
247 spin_lock(&tiqn->tiqn_tpg_lock);
248 list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);
250 pr_debug("CORE[%s]_TPG[%hu] - Added iSCSI Target Portal Group\n",
251 tiqn->tiqn, tpg->tpgt);
252 spin_unlock(&tiqn->tiqn_tpg_lock);
256 if (tpg->param_list) {
257 iscsi_release_param_list(tpg->param_list);
258 tpg->param_list = NULL;
264 int iscsit_tpg_del_portal_group(
265 struct iscsi_tiqn *tiqn,
266 struct iscsi_portal_group *tpg,
269 u8 old_state = tpg->tpg_state;
271 spin_lock(&tpg->tpg_state_lock);
272 tpg->tpg_state = TPG_STATE_INACTIVE;
273 spin_unlock(&tpg->tpg_state_lock);
275 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
276 pr_err("Unable to delete iSCSI Target Portal Group:"
277 " %hu while active sessions exist, and force=0\n",
279 tpg->tpg_state = old_state;
283 core_tpg_clear_object_luns(&tpg->tpg_se_tpg);
285 if (tpg->param_list) {
286 iscsi_release_param_list(tpg->param_list);
287 tpg->param_list = NULL;
290 core_tpg_deregister(&tpg->tpg_se_tpg);
292 spin_lock(&tpg->tpg_state_lock);
293 tpg->tpg_state = TPG_STATE_FREE;
294 spin_unlock(&tpg->tpg_state_lock);
296 spin_lock(&tiqn->tiqn_tpg_lock);
298 list_del(&tpg->tpg_list);
299 spin_unlock(&tiqn->tiqn_tpg_lock);
301 pr_debug("CORE[%s]_TPG[%hu] - Deleted iSCSI Target Portal Group\n",
302 tiqn->tiqn, tpg->tpgt);
308 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)
310 struct iscsi_param *param;
311 struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
314 spin_lock(&tpg->tpg_state_lock);
315 if (tpg->tpg_state == TPG_STATE_ACTIVE) {
316 pr_err("iSCSI target portal group: %hu is already"
317 " active, ignoring request.\n", tpg->tpgt);
318 spin_unlock(&tpg->tpg_state_lock);
322 * Make sure that AuthMethod does not contain None as an option
323 * unless explictly disabled. Set the default to CHAP if authentication
324 * is enforced (as per default), and remove the NONE option.
326 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
328 spin_unlock(&tpg->tpg_state_lock);
332 if (tpg->tpg_attrib.authentication) {
333 if (!strcmp(param->value, NONE)) {
334 ret = iscsi_update_param_value(param, CHAP);
339 ret = iscsit_ta_authentication(tpg, 1);
344 tpg->tpg_state = TPG_STATE_ACTIVE;
345 spin_unlock(&tpg->tpg_state_lock);
347 spin_lock(&tiqn->tiqn_tpg_lock);
348 tiqn->tiqn_active_tpgs++;
349 pr_debug("iSCSI_TPG[%hu] - Enabled iSCSI Target Portal Group\n",
351 spin_unlock(&tiqn->tiqn_tpg_lock);
356 spin_unlock(&tpg->tpg_state_lock);
360 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)
362 struct iscsi_tiqn *tiqn;
363 u8 old_state = tpg->tpg_state;
365 spin_lock(&tpg->tpg_state_lock);
366 if (tpg->tpg_state == TPG_STATE_INACTIVE) {
367 pr_err("iSCSI Target Portal Group: %hu is already"
368 " inactive, ignoring request.\n", tpg->tpgt);
369 spin_unlock(&tpg->tpg_state_lock);
372 tpg->tpg_state = TPG_STATE_INACTIVE;
373 spin_unlock(&tpg->tpg_state_lock);
375 iscsit_clear_tpg_np_login_threads(tpg, false);
377 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
378 spin_lock(&tpg->tpg_state_lock);
379 tpg->tpg_state = old_state;
380 spin_unlock(&tpg->tpg_state_lock);
381 pr_err("Unable to disable iSCSI Target Portal Group:"
382 " %hu while active sessions exist, and force=0\n",
387 tiqn = tpg->tpg_tiqn;
388 if (!tiqn || (tpg == iscsit_global->discovery_tpg))
391 spin_lock(&tiqn->tiqn_tpg_lock);
392 tiqn->tiqn_active_tpgs--;
393 pr_debug("iSCSI_TPG[%hu] - Disabled iSCSI Target Portal Group\n",
395 spin_unlock(&tiqn->tiqn_tpg_lock);
400 struct iscsi_node_attrib *iscsit_tpg_get_node_attrib(
401 struct iscsi_session *sess)
403 struct se_session *se_sess = sess->se_sess;
404 struct se_node_acl *se_nacl = se_sess->se_node_acl;
405 struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl,
408 return &acl->node_attrib;
411 struct iscsi_tpg_np *iscsit_tpg_locate_child_np(
412 struct iscsi_tpg_np *tpg_np,
413 int network_transport)
415 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
417 spin_lock(&tpg_np->tpg_np_parent_lock);
418 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
419 &tpg_np->tpg_np_parent_list, tpg_np_child_list) {
420 if (tpg_np_child->tpg_np->np_network_transport ==
422 spin_unlock(&tpg_np->tpg_np_parent_lock);
426 spin_unlock(&tpg_np->tpg_np_parent_lock);
431 static bool iscsit_tpg_check_network_portal(
432 struct iscsi_tiqn *tiqn,
433 struct __kernel_sockaddr_storage *sockaddr,
434 int network_transport)
436 struct iscsi_portal_group *tpg;
437 struct iscsi_tpg_np *tpg_np;
441 spin_lock(&tiqn->tiqn_tpg_lock);
442 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
444 spin_lock(&tpg->tpg_np_lock);
445 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
448 match = iscsit_check_np_match(sockaddr, np,
453 spin_unlock(&tpg->tpg_np_lock);
455 spin_unlock(&tiqn->tiqn_tpg_lock);
460 struct iscsi_tpg_np *iscsit_tpg_add_network_portal(
461 struct iscsi_portal_group *tpg,
462 struct __kernel_sockaddr_storage *sockaddr,
464 struct iscsi_tpg_np *tpg_np_parent,
465 int network_transport)
468 struct iscsi_tpg_np *tpg_np;
470 if (!tpg_np_parent) {
471 if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,
472 network_transport)) {
473 pr_err("Network Portal: %s already exists on a"
474 " different TPG on %s\n", ip_str,
475 tpg->tpg_tiqn->tiqn);
476 return ERR_PTR(-EEXIST);
480 tpg_np = kzalloc(sizeof(struct iscsi_tpg_np), GFP_KERNEL);
482 pr_err("Unable to allocate memory for"
483 " struct iscsi_tpg_np.\n");
484 return ERR_PTR(-ENOMEM);
487 np = iscsit_add_np(sockaddr, ip_str, network_transport);
493 INIT_LIST_HEAD(&tpg_np->tpg_np_list);
494 INIT_LIST_HEAD(&tpg_np->tpg_np_child_list);
495 INIT_LIST_HEAD(&tpg_np->tpg_np_parent_list);
496 spin_lock_init(&tpg_np->tpg_np_parent_lock);
497 init_completion(&tpg_np->tpg_np_comp);
498 kref_init(&tpg_np->tpg_np_kref);
502 spin_lock(&tpg->tpg_np_lock);
503 list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);
506 tpg->tpg_tiqn->tiqn_num_tpg_nps++;
507 spin_unlock(&tpg->tpg_np_lock);
510 tpg_np->tpg_np_parent = tpg_np_parent;
511 spin_lock(&tpg_np_parent->tpg_np_parent_lock);
512 list_add_tail(&tpg_np->tpg_np_child_list,
513 &tpg_np_parent->tpg_np_parent_list);
514 spin_unlock(&tpg_np_parent->tpg_np_parent_lock);
517 pr_debug("CORE[%s] - Added Network Portal: %s:%hu,%hu on %s\n",
518 tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
519 np->np_transport->name);
524 static int iscsit_tpg_release_np(
525 struct iscsi_tpg_np *tpg_np,
526 struct iscsi_portal_group *tpg,
529 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);
531 pr_debug("CORE[%s] - Removed Network Portal: %s:%hu,%hu on %s\n",
532 tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
533 np->np_transport->name);
535 tpg_np->tpg_np = NULL;
539 * iscsit_del_np() will shutdown struct iscsi_np when last TPG reference is released.
541 return iscsit_del_np(np);
544 int iscsit_tpg_del_network_portal(
545 struct iscsi_portal_group *tpg,
546 struct iscsi_tpg_np *tpg_np)
549 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
554 pr_err("Unable to locate struct iscsi_np from"
555 " struct iscsi_tpg_np\n");
559 if (!tpg_np->tpg_np_parent) {
561 * We are the parent tpg network portal. Release all of the
562 * child tpg_np's (eg: the non ISCSI_TCP ones) on our parent
565 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
566 &tpg_np->tpg_np_parent_list,
568 ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);
570 pr_err("iscsit_tpg_del_network_portal()"
571 " failed: %d\n", ret);
575 * We are not the parent ISCSI_TCP tpg network portal. Release
576 * our own network portals from the child list.
578 spin_lock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
579 list_del(&tpg_np->tpg_np_child_list);
580 spin_unlock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
583 spin_lock(&tpg->tpg_np_lock);
584 list_del(&tpg_np->tpg_np_list);
587 tpg->tpg_tiqn->tiqn_num_tpg_nps--;
588 spin_unlock(&tpg->tpg_np_lock);
590 return iscsit_tpg_release_np(tpg_np, tpg, np);
593 int iscsit_tpg_set_initiator_node_queue_depth(
594 struct iscsi_portal_group *tpg,
595 unsigned char *initiatorname,
599 return core_tpg_set_initiator_node_queue_depth(&tpg->tpg_se_tpg,
600 initiatorname, queue_depth, force);
603 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)
605 unsigned char buf1[256], buf2[256], *none = NULL;
607 struct iscsi_param *param;
608 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
610 if ((authentication != 1) && (authentication != 0)) {
611 pr_err("Illegal value for authentication parameter:"
612 " %u, ignoring request.\n", authentication);
616 memset(buf1, 0, sizeof(buf1));
617 memset(buf2, 0, sizeof(buf2));
619 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
623 if (authentication) {
624 snprintf(buf1, sizeof(buf1), "%s", param->value);
625 none = strstr(buf1, NONE);
628 if (!strncmp(none + 4, ",", 1)) {
629 if (!strcmp(buf1, none))
630 sprintf(buf2, "%s", none+5);
634 len = sprintf(buf2, "%s", buf1);
636 sprintf(buf2 + len, "%s", none);
641 sprintf(buf2, "%s", buf1);
643 if (iscsi_update_param_value(param, buf2) < 0)
646 snprintf(buf1, sizeof(buf1), "%s", param->value);
647 none = strstr(buf1, NONE);
650 strncat(buf1, ",", strlen(","));
651 strncat(buf1, NONE, strlen(NONE));
652 if (iscsi_update_param_value(param, buf1) < 0)
657 a->authentication = authentication;
658 pr_debug("%s iSCSI Authentication Methods for TPG: %hu.\n",
659 a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);
664 int iscsit_ta_login_timeout(
665 struct iscsi_portal_group *tpg,
668 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
670 if (login_timeout > TA_LOGIN_TIMEOUT_MAX) {
671 pr_err("Requested Login Timeout %u larger than maximum"
672 " %u\n", login_timeout, TA_LOGIN_TIMEOUT_MAX);
674 } else if (login_timeout < TA_LOGIN_TIMEOUT_MIN) {
675 pr_err("Requested Logout Timeout %u smaller than"
676 " minimum %u\n", login_timeout, TA_LOGIN_TIMEOUT_MIN);
680 a->login_timeout = login_timeout;
681 pr_debug("Set Logout Timeout to %u for Target Portal Group"
682 " %hu\n", a->login_timeout, tpg->tpgt);
687 int iscsit_ta_netif_timeout(
688 struct iscsi_portal_group *tpg,
691 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
693 if (netif_timeout > TA_NETIF_TIMEOUT_MAX) {
694 pr_err("Requested Network Interface Timeout %u larger"
695 " than maximum %u\n", netif_timeout,
696 TA_NETIF_TIMEOUT_MAX);
698 } else if (netif_timeout < TA_NETIF_TIMEOUT_MIN) {
699 pr_err("Requested Network Interface Timeout %u smaller"
700 " than minimum %u\n", netif_timeout,
701 TA_NETIF_TIMEOUT_MIN);
705 a->netif_timeout = netif_timeout;
706 pr_debug("Set Network Interface Timeout to %u for"
707 " Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);
712 int iscsit_ta_generate_node_acls(
713 struct iscsi_portal_group *tpg,
716 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
718 if ((flag != 0) && (flag != 1)) {
719 pr_err("Illegal value %d\n", flag);
723 a->generate_node_acls = flag;
724 pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
725 tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
727 if (flag == 1 && a->cache_dynamic_acls == 0) {
728 pr_debug("Explicitly setting cache_dynamic_acls=1 when "
729 "generate_node_acls=1\n");
730 a->cache_dynamic_acls = 1;
736 int iscsit_ta_default_cmdsn_depth(
737 struct iscsi_portal_group *tpg,
740 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
742 if (tcq_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) {
743 pr_err("Requested Default Queue Depth: %u larger"
744 " than maximum %u\n", tcq_depth,
745 TA_DEFAULT_CMDSN_DEPTH_MAX);
747 } else if (tcq_depth < TA_DEFAULT_CMDSN_DEPTH_MIN) {
748 pr_err("Requested Default Queue Depth: %u smaller"
749 " than minimum %u\n", tcq_depth,
750 TA_DEFAULT_CMDSN_DEPTH_MIN);
754 a->default_cmdsn_depth = tcq_depth;
755 pr_debug("iSCSI_TPG[%hu] - Set Default CmdSN TCQ Depth to %u\n",
756 tpg->tpgt, a->default_cmdsn_depth);
761 int iscsit_ta_cache_dynamic_acls(
762 struct iscsi_portal_group *tpg,
765 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
767 if ((flag != 0) && (flag != 1)) {
768 pr_err("Illegal value %d\n", flag);
772 if (a->generate_node_acls == 1 && flag == 0) {
773 pr_debug("Skipping cache_dynamic_acls=0 when"
774 " generate_node_acls=1\n");
778 a->cache_dynamic_acls = flag;
779 pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
780 " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
781 "Enabled" : "Disabled");
786 int iscsit_ta_demo_mode_write_protect(
787 struct iscsi_portal_group *tpg,
790 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
792 if ((flag != 0) && (flag != 1)) {
793 pr_err("Illegal value %d\n", flag);
797 a->demo_mode_write_protect = flag;
798 pr_debug("iSCSI_TPG[%hu] - Demo Mode Write Protect bit: %s\n",
799 tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");
804 int iscsit_ta_prod_mode_write_protect(
805 struct iscsi_portal_group *tpg,
808 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
810 if ((flag != 0) && (flag != 1)) {
811 pr_err("Illegal value %d\n", flag);
815 a->prod_mode_write_protect = flag;
816 pr_debug("iSCSI_TPG[%hu] - Production Mode Write Protect bit:"
817 " %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?
823 int iscsit_ta_demo_mode_discovery(
824 struct iscsi_portal_group *tpg,
827 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
829 if ((flag != 0) && (flag != 1)) {
830 pr_err("Illegal value %d\n", flag);
834 a->demo_mode_discovery = flag;
835 pr_debug("iSCSI_TPG[%hu] - Demo Mode Discovery bit:"
836 " %s\n", tpg->tpgt, (a->demo_mode_discovery) ?
842 int iscsit_ta_default_erl(
843 struct iscsi_portal_group *tpg,
846 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
848 if ((default_erl != 0) && (default_erl != 1) && (default_erl != 2)) {
849 pr_err("Illegal value for default_erl: %u\n", default_erl);
853 a->default_erl = default_erl;
854 pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);
859 int iscsit_ta_t10_pi(
860 struct iscsi_portal_group *tpg,
863 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
865 if ((flag != 0) && (flag != 1)) {
866 pr_err("Illegal value %d\n", flag);
871 pr_debug("iSCSI_TPG[%hu] - T10 Protection information bit:"
872 " %s\n", tpg->tpgt, (a->t10_pi) ?
878 int iscsit_ta_fabric_prot_type(
879 struct iscsi_portal_group *tpg,
882 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
884 if ((prot_type != 0) && (prot_type != 1) && (prot_type != 3)) {
885 pr_err("Illegal value for fabric_prot_type: %u\n", prot_type);
889 a->fabric_prot_type = prot_type;
890 pr_debug("iSCSI_TPG[%hu] - T10 Fabric Protection Type: %u\n",
891 tpg->tpgt, prot_type);