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>
22 #include <target/iscsi/iscsi_target_core.h>
23 #include "iscsi_target_erl0.h"
24 #include "iscsi_target_login.h"
25 #include "iscsi_target_nodeattrib.h"
26 #include "iscsi_target_tpg.h"
27 #include "iscsi_target_util.h"
28 #include "iscsi_target.h"
29 #include "iscsi_target_parameters.h"
31 #include <target/iscsi/iscsi_transport.h>
33 struct iscsi_portal_group *iscsit_alloc_portal_group(struct iscsi_tiqn *tiqn, u16 tpgt)
35 struct iscsi_portal_group *tpg;
37 tpg = kzalloc(sizeof(struct iscsi_portal_group), GFP_KERNEL);
39 pr_err("Unable to allocate struct iscsi_portal_group\n");
44 tpg->tpg_state = TPG_STATE_FREE;
46 INIT_LIST_HEAD(&tpg->tpg_gnp_list);
47 INIT_LIST_HEAD(&tpg->tpg_list);
48 mutex_init(&tpg->tpg_access_lock);
49 sema_init(&tpg->np_login_sem, 1);
50 spin_lock_init(&tpg->tpg_state_lock);
51 spin_lock_init(&tpg->tpg_np_lock);
56 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *);
58 int iscsit_load_discovery_tpg(void)
60 struct iscsi_param *param;
61 struct iscsi_portal_group *tpg;
64 tpg = iscsit_alloc_portal_group(NULL, 1);
66 pr_err("Unable to allocate struct iscsi_portal_group\n");
70 ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg, -1);
76 tpg->sid = 1; /* First Assigned LIO Session ID */
77 iscsit_set_default_tpg_attribs(tpg);
79 if (iscsi_create_default_params(&tpg->param_list) < 0)
82 * By default we disable authentication for discovery sessions,
83 * this can be changed with:
85 * /sys/kernel/config/target/iscsi/discovery_auth/enforce_discovery_auth
87 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
91 if (iscsi_update_param_value(param, "CHAP,None") < 0)
94 tpg->tpg_attrib.authentication = 0;
96 spin_lock(&tpg->tpg_state_lock);
97 tpg->tpg_state = TPG_STATE_ACTIVE;
98 spin_unlock(&tpg->tpg_state_lock);
100 iscsit_global->discovery_tpg = tpg;
101 pr_debug("CORE[0] - Allocated Discovery TPG\n");
106 core_tpg_deregister(&tpg->tpg_se_tpg);
111 void iscsit_release_discovery_tpg(void)
113 struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;
118 core_tpg_deregister(&tpg->tpg_se_tpg);
121 iscsit_global->discovery_tpg = NULL;
124 struct iscsi_portal_group *iscsit_get_tpg_from_np(
125 struct iscsi_tiqn *tiqn,
127 struct iscsi_tpg_np **tpg_np_out)
129 struct iscsi_portal_group *tpg = NULL;
130 struct iscsi_tpg_np *tpg_np;
132 spin_lock(&tiqn->tiqn_tpg_lock);
133 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
135 spin_lock(&tpg->tpg_state_lock);
136 if (tpg->tpg_state != TPG_STATE_ACTIVE) {
137 spin_unlock(&tpg->tpg_state_lock);
140 spin_unlock(&tpg->tpg_state_lock);
142 spin_lock(&tpg->tpg_np_lock);
143 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
144 if (tpg_np->tpg_np == np) {
145 *tpg_np_out = tpg_np;
146 kref_get(&tpg_np->tpg_np_kref);
147 spin_unlock(&tpg->tpg_np_lock);
148 spin_unlock(&tiqn->tiqn_tpg_lock);
152 spin_unlock(&tpg->tpg_np_lock);
154 spin_unlock(&tiqn->tiqn_tpg_lock);
160 struct iscsi_portal_group *tpg)
162 return mutex_lock_interruptible(&tpg->tpg_access_lock);
165 void iscsit_put_tpg(struct iscsi_portal_group *tpg)
167 mutex_unlock(&tpg->tpg_access_lock);
170 static void iscsit_clear_tpg_np_login_thread(
171 struct iscsi_tpg_np *tpg_np,
172 struct iscsi_portal_group *tpg,
175 if (!tpg_np->tpg_np) {
176 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
181 tpg_np->tpg_np->enabled = false;
182 iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);
185 static void iscsit_clear_tpg_np_login_threads(
186 struct iscsi_portal_group *tpg,
189 struct iscsi_tpg_np *tpg_np;
191 spin_lock(&tpg->tpg_np_lock);
192 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
193 if (!tpg_np->tpg_np) {
194 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
197 spin_unlock(&tpg->tpg_np_lock);
198 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);
199 spin_lock(&tpg->tpg_np_lock);
201 spin_unlock(&tpg->tpg_np_lock);
204 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)
206 iscsi_print_params(tpg->param_list);
209 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)
211 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
213 a->authentication = TA_AUTHENTICATION;
214 a->login_timeout = TA_LOGIN_TIMEOUT;
215 a->netif_timeout = TA_NETIF_TIMEOUT;
216 a->default_cmdsn_depth = TA_DEFAULT_CMDSN_DEPTH;
217 a->generate_node_acls = TA_GENERATE_NODE_ACLS;
218 a->cache_dynamic_acls = TA_CACHE_DYNAMIC_ACLS;
219 a->demo_mode_write_protect = TA_DEMO_MODE_WRITE_PROTECT;
220 a->prod_mode_write_protect = TA_PROD_MODE_WRITE_PROTECT;
221 a->demo_mode_discovery = TA_DEMO_MODE_DISCOVERY;
222 a->default_erl = TA_DEFAULT_ERL;
223 a->t10_pi = TA_DEFAULT_T10_PI;
224 a->fabric_prot_type = TA_DEFAULT_FABRIC_PROT_TYPE;
227 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)
229 if (tpg->tpg_state != TPG_STATE_FREE) {
230 pr_err("Unable to add iSCSI Target Portal Group: %d"
231 " while not in TPG_STATE_FREE state.\n", tpg->tpgt);
234 iscsit_set_default_tpg_attribs(tpg);
236 if (iscsi_create_default_params(&tpg->param_list) < 0)
239 tpg->tpg_attrib.tpg = tpg;
241 spin_lock(&tpg->tpg_state_lock);
242 tpg->tpg_state = TPG_STATE_INACTIVE;
243 spin_unlock(&tpg->tpg_state_lock);
245 spin_lock(&tiqn->tiqn_tpg_lock);
246 list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);
248 pr_debug("CORE[%s]_TPG[%hu] - Added iSCSI Target Portal Group\n",
249 tiqn->tiqn, tpg->tpgt);
250 spin_unlock(&tiqn->tiqn_tpg_lock);
254 if (tpg->param_list) {
255 iscsi_release_param_list(tpg->param_list);
256 tpg->param_list = NULL;
262 int iscsit_tpg_del_portal_group(
263 struct iscsi_tiqn *tiqn,
264 struct iscsi_portal_group *tpg,
267 u8 old_state = tpg->tpg_state;
269 spin_lock(&tpg->tpg_state_lock);
270 tpg->tpg_state = TPG_STATE_INACTIVE;
271 spin_unlock(&tpg->tpg_state_lock);
273 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
274 pr_err("Unable to delete iSCSI Target Portal Group:"
275 " %hu while active sessions exist, and force=0\n",
277 tpg->tpg_state = old_state;
281 if (tpg->param_list) {
282 iscsi_release_param_list(tpg->param_list);
283 tpg->param_list = NULL;
286 core_tpg_deregister(&tpg->tpg_se_tpg);
288 spin_lock(&tpg->tpg_state_lock);
289 tpg->tpg_state = TPG_STATE_FREE;
290 spin_unlock(&tpg->tpg_state_lock);
292 spin_lock(&tiqn->tiqn_tpg_lock);
294 list_del(&tpg->tpg_list);
295 spin_unlock(&tiqn->tiqn_tpg_lock);
297 pr_debug("CORE[%s]_TPG[%hu] - Deleted iSCSI Target Portal Group\n",
298 tiqn->tiqn, tpg->tpgt);
304 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)
306 struct iscsi_param *param;
307 struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
310 spin_lock(&tpg->tpg_state_lock);
311 if (tpg->tpg_state == TPG_STATE_ACTIVE) {
312 pr_err("iSCSI target portal group: %hu is already"
313 " active, ignoring request.\n", tpg->tpgt);
314 spin_unlock(&tpg->tpg_state_lock);
318 * Make sure that AuthMethod does not contain None as an option
319 * unless explictly disabled. Set the default to CHAP if authentication
320 * is enforced (as per default), and remove the NONE option.
322 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
324 spin_unlock(&tpg->tpg_state_lock);
328 if (tpg->tpg_attrib.authentication) {
329 if (!strcmp(param->value, NONE)) {
330 ret = iscsi_update_param_value(param, CHAP);
335 ret = iscsit_ta_authentication(tpg, 1);
340 tpg->tpg_state = TPG_STATE_ACTIVE;
341 spin_unlock(&tpg->tpg_state_lock);
343 spin_lock(&tiqn->tiqn_tpg_lock);
344 tiqn->tiqn_active_tpgs++;
345 pr_debug("iSCSI_TPG[%hu] - Enabled iSCSI Target Portal Group\n",
347 spin_unlock(&tiqn->tiqn_tpg_lock);
352 spin_unlock(&tpg->tpg_state_lock);
356 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)
358 struct iscsi_tiqn *tiqn;
359 u8 old_state = tpg->tpg_state;
361 spin_lock(&tpg->tpg_state_lock);
362 if (tpg->tpg_state == TPG_STATE_INACTIVE) {
363 pr_err("iSCSI Target Portal Group: %hu is already"
364 " inactive, ignoring request.\n", tpg->tpgt);
365 spin_unlock(&tpg->tpg_state_lock);
368 tpg->tpg_state = TPG_STATE_INACTIVE;
369 spin_unlock(&tpg->tpg_state_lock);
371 iscsit_clear_tpg_np_login_threads(tpg, false);
373 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
374 spin_lock(&tpg->tpg_state_lock);
375 tpg->tpg_state = old_state;
376 spin_unlock(&tpg->tpg_state_lock);
377 pr_err("Unable to disable iSCSI Target Portal Group:"
378 " %hu while active sessions exist, and force=0\n",
383 tiqn = tpg->tpg_tiqn;
384 if (!tiqn || (tpg == iscsit_global->discovery_tpg))
387 spin_lock(&tiqn->tiqn_tpg_lock);
388 tiqn->tiqn_active_tpgs--;
389 pr_debug("iSCSI_TPG[%hu] - Disabled iSCSI Target Portal Group\n",
391 spin_unlock(&tiqn->tiqn_tpg_lock);
396 struct iscsi_node_attrib *iscsit_tpg_get_node_attrib(
397 struct iscsi_session *sess)
399 struct se_session *se_sess = sess->se_sess;
400 struct se_node_acl *se_nacl = se_sess->se_node_acl;
401 struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl,
404 return &acl->node_attrib;
407 struct iscsi_tpg_np *iscsit_tpg_locate_child_np(
408 struct iscsi_tpg_np *tpg_np,
409 int network_transport)
411 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
413 spin_lock(&tpg_np->tpg_np_parent_lock);
414 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
415 &tpg_np->tpg_np_parent_list, tpg_np_child_list) {
416 if (tpg_np_child->tpg_np->np_network_transport ==
418 spin_unlock(&tpg_np->tpg_np_parent_lock);
422 spin_unlock(&tpg_np->tpg_np_parent_lock);
427 static bool iscsit_tpg_check_network_portal(
428 struct iscsi_tiqn *tiqn,
429 struct __kernel_sockaddr_storage *sockaddr,
430 int network_transport)
432 struct iscsi_portal_group *tpg;
433 struct iscsi_tpg_np *tpg_np;
437 spin_lock(&tiqn->tiqn_tpg_lock);
438 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
440 spin_lock(&tpg->tpg_np_lock);
441 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
444 match = iscsit_check_np_match(sockaddr, np,
449 spin_unlock(&tpg->tpg_np_lock);
451 spin_unlock(&tiqn->tiqn_tpg_lock);
456 struct iscsi_tpg_np *iscsit_tpg_add_network_portal(
457 struct iscsi_portal_group *tpg,
458 struct __kernel_sockaddr_storage *sockaddr,
460 struct iscsi_tpg_np *tpg_np_parent,
461 int network_transport)
464 struct iscsi_tpg_np *tpg_np;
466 if (!tpg_np_parent) {
467 if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,
468 network_transport)) {
469 pr_err("Network Portal: %s already exists on a"
470 " different TPG on %s\n", ip_str,
471 tpg->tpg_tiqn->tiqn);
472 return ERR_PTR(-EEXIST);
476 tpg_np = kzalloc(sizeof(struct iscsi_tpg_np), GFP_KERNEL);
478 pr_err("Unable to allocate memory for"
479 " struct iscsi_tpg_np.\n");
480 return ERR_PTR(-ENOMEM);
483 np = iscsit_add_np(sockaddr, ip_str, network_transport);
489 INIT_LIST_HEAD(&tpg_np->tpg_np_list);
490 INIT_LIST_HEAD(&tpg_np->tpg_np_child_list);
491 INIT_LIST_HEAD(&tpg_np->tpg_np_parent_list);
492 spin_lock_init(&tpg_np->tpg_np_parent_lock);
493 init_completion(&tpg_np->tpg_np_comp);
494 kref_init(&tpg_np->tpg_np_kref);
498 spin_lock(&tpg->tpg_np_lock);
499 list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);
502 tpg->tpg_tiqn->tiqn_num_tpg_nps++;
503 spin_unlock(&tpg->tpg_np_lock);
506 tpg_np->tpg_np_parent = tpg_np_parent;
507 spin_lock(&tpg_np_parent->tpg_np_parent_lock);
508 list_add_tail(&tpg_np->tpg_np_child_list,
509 &tpg_np_parent->tpg_np_parent_list);
510 spin_unlock(&tpg_np_parent->tpg_np_parent_lock);
513 pr_debug("CORE[%s] - Added Network Portal: %s:%hu,%hu on %s\n",
514 tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
515 np->np_transport->name);
520 static int iscsit_tpg_release_np(
521 struct iscsi_tpg_np *tpg_np,
522 struct iscsi_portal_group *tpg,
525 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);
527 pr_debug("CORE[%s] - Removed Network Portal: %s:%hu,%hu on %s\n",
528 tpg->tpg_tiqn->tiqn, np->np_ip, np->np_port, tpg->tpgt,
529 np->np_transport->name);
531 tpg_np->tpg_np = NULL;
535 * iscsit_del_np() will shutdown struct iscsi_np when last TPG reference is released.
537 return iscsit_del_np(np);
540 int iscsit_tpg_del_network_portal(
541 struct iscsi_portal_group *tpg,
542 struct iscsi_tpg_np *tpg_np)
545 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
550 pr_err("Unable to locate struct iscsi_np from"
551 " struct iscsi_tpg_np\n");
555 if (!tpg_np->tpg_np_parent) {
557 * We are the parent tpg network portal. Release all of the
558 * child tpg_np's (eg: the non ISCSI_TCP ones) on our parent
561 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
562 &tpg_np->tpg_np_parent_list,
564 ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);
566 pr_err("iscsit_tpg_del_network_portal()"
567 " failed: %d\n", ret);
571 * We are not the parent ISCSI_TCP tpg network portal. Release
572 * our own network portals from the child list.
574 spin_lock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
575 list_del(&tpg_np->tpg_np_child_list);
576 spin_unlock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
579 spin_lock(&tpg->tpg_np_lock);
580 list_del(&tpg_np->tpg_np_list);
583 tpg->tpg_tiqn->tiqn_num_tpg_nps--;
584 spin_unlock(&tpg->tpg_np_lock);
586 return iscsit_tpg_release_np(tpg_np, tpg, np);
589 int iscsit_tpg_set_initiator_node_queue_depth(
590 struct iscsi_portal_group *tpg,
591 unsigned char *initiatorname,
595 return core_tpg_set_initiator_node_queue_depth(&tpg->tpg_se_tpg,
596 initiatorname, queue_depth, force);
599 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)
601 unsigned char buf1[256], buf2[256], *none = NULL;
603 struct iscsi_param *param;
604 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
606 if ((authentication != 1) && (authentication != 0)) {
607 pr_err("Illegal value for authentication parameter:"
608 " %u, ignoring request.\n", authentication);
612 memset(buf1, 0, sizeof(buf1));
613 memset(buf2, 0, sizeof(buf2));
615 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
619 if (authentication) {
620 snprintf(buf1, sizeof(buf1), "%s", param->value);
621 none = strstr(buf1, NONE);
624 if (!strncmp(none + 4, ",", 1)) {
625 if (!strcmp(buf1, none))
626 sprintf(buf2, "%s", none+5);
630 len = sprintf(buf2, "%s", buf1);
632 sprintf(buf2 + len, "%s", none);
637 sprintf(buf2, "%s", buf1);
639 if (iscsi_update_param_value(param, buf2) < 0)
642 snprintf(buf1, sizeof(buf1), "%s", param->value);
643 none = strstr(buf1, NONE);
646 strncat(buf1, ",", strlen(","));
647 strncat(buf1, NONE, strlen(NONE));
648 if (iscsi_update_param_value(param, buf1) < 0)
653 a->authentication = authentication;
654 pr_debug("%s iSCSI Authentication Methods for TPG: %hu.\n",
655 a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);
660 int iscsit_ta_login_timeout(
661 struct iscsi_portal_group *tpg,
664 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
666 if (login_timeout > TA_LOGIN_TIMEOUT_MAX) {
667 pr_err("Requested Login Timeout %u larger than maximum"
668 " %u\n", login_timeout, TA_LOGIN_TIMEOUT_MAX);
670 } else if (login_timeout < TA_LOGIN_TIMEOUT_MIN) {
671 pr_err("Requested Logout Timeout %u smaller than"
672 " minimum %u\n", login_timeout, TA_LOGIN_TIMEOUT_MIN);
676 a->login_timeout = login_timeout;
677 pr_debug("Set Logout Timeout to %u for Target Portal Group"
678 " %hu\n", a->login_timeout, tpg->tpgt);
683 int iscsit_ta_netif_timeout(
684 struct iscsi_portal_group *tpg,
687 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
689 if (netif_timeout > TA_NETIF_TIMEOUT_MAX) {
690 pr_err("Requested Network Interface Timeout %u larger"
691 " than maximum %u\n", netif_timeout,
692 TA_NETIF_TIMEOUT_MAX);
694 } else if (netif_timeout < TA_NETIF_TIMEOUT_MIN) {
695 pr_err("Requested Network Interface Timeout %u smaller"
696 " than minimum %u\n", netif_timeout,
697 TA_NETIF_TIMEOUT_MIN);
701 a->netif_timeout = netif_timeout;
702 pr_debug("Set Network Interface Timeout to %u for"
703 " Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);
708 int iscsit_ta_generate_node_acls(
709 struct iscsi_portal_group *tpg,
712 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
714 if ((flag != 0) && (flag != 1)) {
715 pr_err("Illegal value %d\n", flag);
719 a->generate_node_acls = flag;
720 pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
721 tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
723 if (flag == 1 && a->cache_dynamic_acls == 0) {
724 pr_debug("Explicitly setting cache_dynamic_acls=1 when "
725 "generate_node_acls=1\n");
726 a->cache_dynamic_acls = 1;
732 int iscsit_ta_default_cmdsn_depth(
733 struct iscsi_portal_group *tpg,
736 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
738 if (tcq_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) {
739 pr_err("Requested Default Queue Depth: %u larger"
740 " than maximum %u\n", tcq_depth,
741 TA_DEFAULT_CMDSN_DEPTH_MAX);
743 } else if (tcq_depth < TA_DEFAULT_CMDSN_DEPTH_MIN) {
744 pr_err("Requested Default Queue Depth: %u smaller"
745 " than minimum %u\n", tcq_depth,
746 TA_DEFAULT_CMDSN_DEPTH_MIN);
750 a->default_cmdsn_depth = tcq_depth;
751 pr_debug("iSCSI_TPG[%hu] - Set Default CmdSN TCQ Depth to %u\n",
752 tpg->tpgt, a->default_cmdsn_depth);
757 int iscsit_ta_cache_dynamic_acls(
758 struct iscsi_portal_group *tpg,
761 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
763 if ((flag != 0) && (flag != 1)) {
764 pr_err("Illegal value %d\n", flag);
768 if (a->generate_node_acls == 1 && flag == 0) {
769 pr_debug("Skipping cache_dynamic_acls=0 when"
770 " generate_node_acls=1\n");
774 a->cache_dynamic_acls = flag;
775 pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
776 " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
777 "Enabled" : "Disabled");
782 int iscsit_ta_demo_mode_write_protect(
783 struct iscsi_portal_group *tpg,
786 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
788 if ((flag != 0) && (flag != 1)) {
789 pr_err("Illegal value %d\n", flag);
793 a->demo_mode_write_protect = flag;
794 pr_debug("iSCSI_TPG[%hu] - Demo Mode Write Protect bit: %s\n",
795 tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");
800 int iscsit_ta_prod_mode_write_protect(
801 struct iscsi_portal_group *tpg,
804 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
806 if ((flag != 0) && (flag != 1)) {
807 pr_err("Illegal value %d\n", flag);
811 a->prod_mode_write_protect = flag;
812 pr_debug("iSCSI_TPG[%hu] - Production Mode Write Protect bit:"
813 " %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?
819 int iscsit_ta_demo_mode_discovery(
820 struct iscsi_portal_group *tpg,
823 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
825 if ((flag != 0) && (flag != 1)) {
826 pr_err("Illegal value %d\n", flag);
830 a->demo_mode_discovery = flag;
831 pr_debug("iSCSI_TPG[%hu] - Demo Mode Discovery bit:"
832 " %s\n", tpg->tpgt, (a->demo_mode_discovery) ?
838 int iscsit_ta_default_erl(
839 struct iscsi_portal_group *tpg,
842 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
844 if ((default_erl != 0) && (default_erl != 1) && (default_erl != 2)) {
845 pr_err("Illegal value for default_erl: %u\n", default_erl);
849 a->default_erl = default_erl;
850 pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);
855 int iscsit_ta_t10_pi(
856 struct iscsi_portal_group *tpg,
859 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
861 if ((flag != 0) && (flag != 1)) {
862 pr_err("Illegal value %d\n", flag);
867 pr_debug("iSCSI_TPG[%hu] - T10 Protection information bit:"
868 " %s\n", tpg->tpgt, (a->t10_pi) ?
874 int iscsit_ta_fabric_prot_type(
875 struct iscsi_portal_group *tpg,
878 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
880 if ((prot_type != 0) && (prot_type != 1) && (prot_type != 3)) {
881 pr_err("Illegal value for fabric_prot_type: %u\n", prot_type);
885 a->fabric_prot_type = prot_type;
886 pr_debug("iSCSI_TPG[%hu] - T10 Fabric Protection Type: %u\n",
887 tpg->tpgt, prot_type);