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 * Save iscsi_ops pointer for special case discovery TPG that
71 * doesn't exist as se_wwn->wwn_group within configfs.
73 tpg->tpg_se_tpg.se_tpg_tfo = &iscsi_ops;
74 ret = core_tpg_register(NULL, &tpg->tpg_se_tpg, -1);
80 tpg->sid = 1; /* First Assigned LIO Session ID */
81 iscsit_set_default_tpg_attribs(tpg);
83 if (iscsi_create_default_params(&tpg->param_list) < 0)
86 * By default we disable authentication for discovery sessions,
87 * this can be changed with:
89 * /sys/kernel/config/target/iscsi/discovery_auth/enforce_discovery_auth
91 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
95 if (iscsi_update_param_value(param, "CHAP,None") < 0)
98 tpg->tpg_attrib.authentication = 0;
100 spin_lock(&tpg->tpg_state_lock);
101 tpg->tpg_state = TPG_STATE_ACTIVE;
102 spin_unlock(&tpg->tpg_state_lock);
104 iscsit_global->discovery_tpg = tpg;
105 pr_debug("CORE[0] - Allocated Discovery TPG\n");
110 core_tpg_deregister(&tpg->tpg_se_tpg);
115 void iscsit_release_discovery_tpg(void)
117 struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;
122 core_tpg_deregister(&tpg->tpg_se_tpg);
125 iscsit_global->discovery_tpg = NULL;
128 struct iscsi_portal_group *iscsit_get_tpg_from_np(
129 struct iscsi_tiqn *tiqn,
131 struct iscsi_tpg_np **tpg_np_out)
133 struct iscsi_portal_group *tpg = NULL;
134 struct iscsi_tpg_np *tpg_np;
136 spin_lock(&tiqn->tiqn_tpg_lock);
137 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
139 spin_lock(&tpg->tpg_state_lock);
140 if (tpg->tpg_state != TPG_STATE_ACTIVE) {
141 spin_unlock(&tpg->tpg_state_lock);
144 spin_unlock(&tpg->tpg_state_lock);
146 spin_lock(&tpg->tpg_np_lock);
147 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
148 if (tpg_np->tpg_np == np) {
149 *tpg_np_out = tpg_np;
150 kref_get(&tpg_np->tpg_np_kref);
151 spin_unlock(&tpg->tpg_np_lock);
152 spin_unlock(&tiqn->tiqn_tpg_lock);
156 spin_unlock(&tpg->tpg_np_lock);
158 spin_unlock(&tiqn->tiqn_tpg_lock);
164 struct iscsi_portal_group *tpg)
166 return mutex_lock_interruptible(&tpg->tpg_access_lock);
169 void iscsit_put_tpg(struct iscsi_portal_group *tpg)
171 mutex_unlock(&tpg->tpg_access_lock);
174 static void iscsit_clear_tpg_np_login_thread(
175 struct iscsi_tpg_np *tpg_np,
176 struct iscsi_portal_group *tpg,
179 if (!tpg_np->tpg_np) {
180 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
185 tpg_np->tpg_np->enabled = false;
186 iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);
189 static void iscsit_clear_tpg_np_login_threads(
190 struct iscsi_portal_group *tpg,
193 struct iscsi_tpg_np *tpg_np;
195 spin_lock(&tpg->tpg_np_lock);
196 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
197 if (!tpg_np->tpg_np) {
198 pr_err("struct iscsi_tpg_np->tpg_np is NULL!\n");
201 spin_unlock(&tpg->tpg_np_lock);
202 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);
203 spin_lock(&tpg->tpg_np_lock);
205 spin_unlock(&tpg->tpg_np_lock);
208 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)
210 iscsi_print_params(tpg->param_list);
213 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)
215 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
217 a->authentication = TA_AUTHENTICATION;
218 a->login_timeout = TA_LOGIN_TIMEOUT;
219 a->netif_timeout = TA_NETIF_TIMEOUT;
220 a->default_cmdsn_depth = TA_DEFAULT_CMDSN_DEPTH;
221 a->generate_node_acls = TA_GENERATE_NODE_ACLS;
222 a->cache_dynamic_acls = TA_CACHE_DYNAMIC_ACLS;
223 a->demo_mode_write_protect = TA_DEMO_MODE_WRITE_PROTECT;
224 a->prod_mode_write_protect = TA_PROD_MODE_WRITE_PROTECT;
225 a->demo_mode_discovery = TA_DEMO_MODE_DISCOVERY;
226 a->default_erl = TA_DEFAULT_ERL;
227 a->t10_pi = TA_DEFAULT_T10_PI;
228 a->fabric_prot_type = TA_DEFAULT_FABRIC_PROT_TYPE;
229 a->tpg_enabled_sendtargets = TA_DEFAULT_TPG_ENABLED_SENDTARGETS;
230 a->login_keys_workaround = TA_DEFAULT_LOGIN_KEYS_WORKAROUND;
233 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)
235 if (tpg->tpg_state != TPG_STATE_FREE) {
236 pr_err("Unable to add iSCSI Target Portal Group: %d"
237 " while not in TPG_STATE_FREE state.\n", tpg->tpgt);
240 iscsit_set_default_tpg_attribs(tpg);
242 if (iscsi_create_default_params(&tpg->param_list) < 0)
245 tpg->tpg_attrib.tpg = tpg;
247 spin_lock(&tpg->tpg_state_lock);
248 tpg->tpg_state = TPG_STATE_INACTIVE;
249 spin_unlock(&tpg->tpg_state_lock);
251 spin_lock(&tiqn->tiqn_tpg_lock);
252 list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);
254 pr_debug("CORE[%s]_TPG[%hu] - Added iSCSI Target Portal Group\n",
255 tiqn->tiqn, tpg->tpgt);
256 spin_unlock(&tiqn->tiqn_tpg_lock);
260 if (tpg->param_list) {
261 iscsi_release_param_list(tpg->param_list);
262 tpg->param_list = NULL;
267 int iscsit_tpg_del_portal_group(
268 struct iscsi_tiqn *tiqn,
269 struct iscsi_portal_group *tpg,
272 u8 old_state = tpg->tpg_state;
274 spin_lock(&tpg->tpg_state_lock);
275 tpg->tpg_state = TPG_STATE_INACTIVE;
276 spin_unlock(&tpg->tpg_state_lock);
278 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
279 pr_err("Unable to delete iSCSI Target Portal Group:"
280 " %hu while active sessions exist, and force=0\n",
282 tpg->tpg_state = old_state;
286 if (tpg->param_list) {
287 iscsi_release_param_list(tpg->param_list);
288 tpg->param_list = NULL;
291 core_tpg_deregister(&tpg->tpg_se_tpg);
293 spin_lock(&tpg->tpg_state_lock);
294 tpg->tpg_state = TPG_STATE_FREE;
295 spin_unlock(&tpg->tpg_state_lock);
297 spin_lock(&tiqn->tiqn_tpg_lock);
299 list_del(&tpg->tpg_list);
300 spin_unlock(&tiqn->tiqn_tpg_lock);
302 pr_debug("CORE[%s]_TPG[%hu] - Deleted iSCSI Target Portal Group\n",
303 tiqn->tiqn, tpg->tpgt);
309 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)
311 struct iscsi_param *param;
312 struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;
315 spin_lock(&tpg->tpg_state_lock);
316 if (tpg->tpg_state == TPG_STATE_ACTIVE) {
317 pr_err("iSCSI target portal group: %hu is already"
318 " active, ignoring request.\n", tpg->tpgt);
319 spin_unlock(&tpg->tpg_state_lock);
323 * Make sure that AuthMethod does not contain None as an option
324 * unless explictly disabled. Set the default to CHAP if authentication
325 * is enforced (as per default), and remove the NONE option.
327 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
329 spin_unlock(&tpg->tpg_state_lock);
333 if (tpg->tpg_attrib.authentication) {
334 if (!strcmp(param->value, NONE)) {
335 ret = iscsi_update_param_value(param, CHAP);
340 ret = iscsit_ta_authentication(tpg, 1);
345 tpg->tpg_state = TPG_STATE_ACTIVE;
346 spin_unlock(&tpg->tpg_state_lock);
348 spin_lock(&tiqn->tiqn_tpg_lock);
349 tiqn->tiqn_active_tpgs++;
350 pr_debug("iSCSI_TPG[%hu] - Enabled iSCSI Target Portal Group\n",
352 spin_unlock(&tiqn->tiqn_tpg_lock);
357 spin_unlock(&tpg->tpg_state_lock);
361 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)
363 struct iscsi_tiqn *tiqn;
364 u8 old_state = tpg->tpg_state;
366 spin_lock(&tpg->tpg_state_lock);
367 if (tpg->tpg_state == TPG_STATE_INACTIVE) {
368 pr_err("iSCSI Target Portal Group: %hu is already"
369 " inactive, ignoring request.\n", tpg->tpgt);
370 spin_unlock(&tpg->tpg_state_lock);
373 tpg->tpg_state = TPG_STATE_INACTIVE;
374 spin_unlock(&tpg->tpg_state_lock);
376 iscsit_clear_tpg_np_login_threads(tpg, false);
378 if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {
379 spin_lock(&tpg->tpg_state_lock);
380 tpg->tpg_state = old_state;
381 spin_unlock(&tpg->tpg_state_lock);
382 pr_err("Unable to disable iSCSI Target Portal Group:"
383 " %hu while active sessions exist, and force=0\n",
388 tiqn = tpg->tpg_tiqn;
389 if (!tiqn || (tpg == iscsit_global->discovery_tpg))
392 spin_lock(&tiqn->tiqn_tpg_lock);
393 tiqn->tiqn_active_tpgs--;
394 pr_debug("iSCSI_TPG[%hu] - Disabled iSCSI Target Portal Group\n",
396 spin_unlock(&tiqn->tiqn_tpg_lock);
401 struct iscsi_node_attrib *iscsit_tpg_get_node_attrib(
402 struct iscsi_session *sess)
404 struct se_session *se_sess = sess->se_sess;
405 struct se_node_acl *se_nacl = se_sess->se_node_acl;
406 struct iscsi_node_acl *acl = container_of(se_nacl, struct iscsi_node_acl,
409 return &acl->node_attrib;
412 struct iscsi_tpg_np *iscsit_tpg_locate_child_np(
413 struct iscsi_tpg_np *tpg_np,
414 int network_transport)
416 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
418 spin_lock(&tpg_np->tpg_np_parent_lock);
419 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
420 &tpg_np->tpg_np_parent_list, tpg_np_child_list) {
421 if (tpg_np_child->tpg_np->np_network_transport ==
423 spin_unlock(&tpg_np->tpg_np_parent_lock);
427 spin_unlock(&tpg_np->tpg_np_parent_lock);
432 static bool iscsit_tpg_check_network_portal(
433 struct iscsi_tiqn *tiqn,
434 struct sockaddr_storage *sockaddr,
435 int network_transport)
437 struct iscsi_portal_group *tpg;
438 struct iscsi_tpg_np *tpg_np;
442 spin_lock(&tiqn->tiqn_tpg_lock);
443 list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {
445 spin_lock(&tpg->tpg_np_lock);
446 list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {
449 match = iscsit_check_np_match(sockaddr, np,
454 spin_unlock(&tpg->tpg_np_lock);
459 spin_unlock(&tiqn->tiqn_tpg_lock);
464 struct iscsi_tpg_np *iscsit_tpg_add_network_portal(
465 struct iscsi_portal_group *tpg,
466 struct sockaddr_storage *sockaddr,
467 struct iscsi_tpg_np *tpg_np_parent,
468 int network_transport)
471 struct iscsi_tpg_np *tpg_np;
473 if (!tpg_np_parent) {
474 if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,
475 network_transport)) {
476 pr_err("Network Portal: %pISc already exists on a"
477 " different TPG on %s\n", sockaddr,
478 tpg->tpg_tiqn->tiqn);
479 return ERR_PTR(-EEXIST);
483 tpg_np = kzalloc(sizeof(struct iscsi_tpg_np), GFP_KERNEL);
485 pr_err("Unable to allocate memory for"
486 " struct iscsi_tpg_np.\n");
487 return ERR_PTR(-ENOMEM);
490 np = iscsit_add_np(sockaddr, network_transport);
496 INIT_LIST_HEAD(&tpg_np->tpg_np_list);
497 INIT_LIST_HEAD(&tpg_np->tpg_np_child_list);
498 INIT_LIST_HEAD(&tpg_np->tpg_np_parent_list);
499 spin_lock_init(&tpg_np->tpg_np_parent_lock);
500 init_completion(&tpg_np->tpg_np_comp);
501 kref_init(&tpg_np->tpg_np_kref);
505 spin_lock(&tpg->tpg_np_lock);
506 list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);
509 tpg->tpg_tiqn->tiqn_num_tpg_nps++;
510 spin_unlock(&tpg->tpg_np_lock);
513 tpg_np->tpg_np_parent = tpg_np_parent;
514 spin_lock(&tpg_np_parent->tpg_np_parent_lock);
515 list_add_tail(&tpg_np->tpg_np_child_list,
516 &tpg_np_parent->tpg_np_parent_list);
517 spin_unlock(&tpg_np_parent->tpg_np_parent_lock);
520 pr_debug("CORE[%s] - Added Network Portal: %pISpc,%hu on %s\n",
521 tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,
522 np->np_transport->name);
527 static int iscsit_tpg_release_np(
528 struct iscsi_tpg_np *tpg_np,
529 struct iscsi_portal_group *tpg,
532 iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);
534 pr_debug("CORE[%s] - Removed Network Portal: %pISpc,%hu on %s\n",
535 tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,
536 np->np_transport->name);
538 tpg_np->tpg_np = NULL;
542 * iscsit_del_np() will shutdown struct iscsi_np when last TPG reference is released.
544 return iscsit_del_np(np);
547 int iscsit_tpg_del_network_portal(
548 struct iscsi_portal_group *tpg,
549 struct iscsi_tpg_np *tpg_np)
552 struct iscsi_tpg_np *tpg_np_child, *tpg_np_child_tmp;
557 pr_err("Unable to locate struct iscsi_np from"
558 " struct iscsi_tpg_np\n");
562 if (!tpg_np->tpg_np_parent) {
564 * We are the parent tpg network portal. Release all of the
565 * child tpg_np's (eg: the non ISCSI_TCP ones) on our parent
568 list_for_each_entry_safe(tpg_np_child, tpg_np_child_tmp,
569 &tpg_np->tpg_np_parent_list,
571 ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);
573 pr_err("iscsit_tpg_del_network_portal()"
574 " failed: %d\n", ret);
578 * We are not the parent ISCSI_TCP tpg network portal. Release
579 * our own network portals from the child list.
581 spin_lock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
582 list_del(&tpg_np->tpg_np_child_list);
583 spin_unlock(&tpg_np->tpg_np_parent->tpg_np_parent_lock);
586 spin_lock(&tpg->tpg_np_lock);
587 list_del(&tpg_np->tpg_np_list);
590 tpg->tpg_tiqn->tiqn_num_tpg_nps--;
591 spin_unlock(&tpg->tpg_np_lock);
593 return iscsit_tpg_release_np(tpg_np, tpg, np);
596 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)
598 unsigned char buf1[256], buf2[256], *none = NULL;
600 struct iscsi_param *param;
601 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
603 if ((authentication != 1) && (authentication != 0)) {
604 pr_err("Illegal value for authentication parameter:"
605 " %u, ignoring request.\n", authentication);
609 memset(buf1, 0, sizeof(buf1));
610 memset(buf2, 0, sizeof(buf2));
612 param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);
616 if (authentication) {
617 snprintf(buf1, sizeof(buf1), "%s", param->value);
618 none = strstr(buf1, NONE);
621 if (!strncmp(none + 4, ",", 1)) {
622 if (!strcmp(buf1, none))
623 sprintf(buf2, "%s", none+5);
627 len = sprintf(buf2, "%s", buf1);
629 sprintf(buf2 + len, "%s", none);
634 sprintf(buf2, "%s", buf1);
636 if (iscsi_update_param_value(param, buf2) < 0)
639 snprintf(buf1, sizeof(buf1), "%s", param->value);
640 none = strstr(buf1, NONE);
643 strlcat(buf1, "," NONE, sizeof(buf1));
644 if (iscsi_update_param_value(param, buf1) < 0)
649 a->authentication = authentication;
650 pr_debug("%s iSCSI Authentication Methods for TPG: %hu.\n",
651 a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);
656 int iscsit_ta_login_timeout(
657 struct iscsi_portal_group *tpg,
660 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
662 if (login_timeout > TA_LOGIN_TIMEOUT_MAX) {
663 pr_err("Requested Login Timeout %u larger than maximum"
664 " %u\n", login_timeout, TA_LOGIN_TIMEOUT_MAX);
666 } else if (login_timeout < TA_LOGIN_TIMEOUT_MIN) {
667 pr_err("Requested Logout Timeout %u smaller than"
668 " minimum %u\n", login_timeout, TA_LOGIN_TIMEOUT_MIN);
672 a->login_timeout = login_timeout;
673 pr_debug("Set Logout Timeout to %u for Target Portal Group"
674 " %hu\n", a->login_timeout, tpg->tpgt);
679 int iscsit_ta_netif_timeout(
680 struct iscsi_portal_group *tpg,
683 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
685 if (netif_timeout > TA_NETIF_TIMEOUT_MAX) {
686 pr_err("Requested Network Interface Timeout %u larger"
687 " than maximum %u\n", netif_timeout,
688 TA_NETIF_TIMEOUT_MAX);
690 } else if (netif_timeout < TA_NETIF_TIMEOUT_MIN) {
691 pr_err("Requested Network Interface Timeout %u smaller"
692 " than minimum %u\n", netif_timeout,
693 TA_NETIF_TIMEOUT_MIN);
697 a->netif_timeout = netif_timeout;
698 pr_debug("Set Network Interface Timeout to %u for"
699 " Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);
704 int iscsit_ta_generate_node_acls(
705 struct iscsi_portal_group *tpg,
708 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
710 if ((flag != 0) && (flag != 1)) {
711 pr_err("Illegal value %d\n", flag);
715 a->generate_node_acls = flag;
716 pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
717 tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
719 if (flag == 1 && a->cache_dynamic_acls == 0) {
720 pr_debug("Explicitly setting cache_dynamic_acls=1 when "
721 "generate_node_acls=1\n");
722 a->cache_dynamic_acls = 1;
728 int iscsit_ta_default_cmdsn_depth(
729 struct iscsi_portal_group *tpg,
732 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
734 if (tcq_depth > TA_DEFAULT_CMDSN_DEPTH_MAX) {
735 pr_err("Requested Default Queue Depth: %u larger"
736 " than maximum %u\n", tcq_depth,
737 TA_DEFAULT_CMDSN_DEPTH_MAX);
739 } else if (tcq_depth < TA_DEFAULT_CMDSN_DEPTH_MIN) {
740 pr_err("Requested Default Queue Depth: %u smaller"
741 " than minimum %u\n", tcq_depth,
742 TA_DEFAULT_CMDSN_DEPTH_MIN);
746 a->default_cmdsn_depth = tcq_depth;
747 pr_debug("iSCSI_TPG[%hu] - Set Default CmdSN TCQ Depth to %u\n",
748 tpg->tpgt, a->default_cmdsn_depth);
753 int iscsit_ta_cache_dynamic_acls(
754 struct iscsi_portal_group *tpg,
757 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
759 if ((flag != 0) && (flag != 1)) {
760 pr_err("Illegal value %d\n", flag);
764 if (a->generate_node_acls == 1 && flag == 0) {
765 pr_debug("Skipping cache_dynamic_acls=0 when"
766 " generate_node_acls=1\n");
770 a->cache_dynamic_acls = flag;
771 pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
772 " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
773 "Enabled" : "Disabled");
778 int iscsit_ta_demo_mode_write_protect(
779 struct iscsi_portal_group *tpg,
782 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
784 if ((flag != 0) && (flag != 1)) {
785 pr_err("Illegal value %d\n", flag);
789 a->demo_mode_write_protect = flag;
790 pr_debug("iSCSI_TPG[%hu] - Demo Mode Write Protect bit: %s\n",
791 tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");
796 int iscsit_ta_prod_mode_write_protect(
797 struct iscsi_portal_group *tpg,
800 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
802 if ((flag != 0) && (flag != 1)) {
803 pr_err("Illegal value %d\n", flag);
807 a->prod_mode_write_protect = flag;
808 pr_debug("iSCSI_TPG[%hu] - Production Mode Write Protect bit:"
809 " %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?
815 int iscsit_ta_demo_mode_discovery(
816 struct iscsi_portal_group *tpg,
819 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
821 if ((flag != 0) && (flag != 1)) {
822 pr_err("Illegal value %d\n", flag);
826 a->demo_mode_discovery = flag;
827 pr_debug("iSCSI_TPG[%hu] - Demo Mode Discovery bit:"
828 " %s\n", tpg->tpgt, (a->demo_mode_discovery) ?
834 int iscsit_ta_default_erl(
835 struct iscsi_portal_group *tpg,
838 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
840 if ((default_erl != 0) && (default_erl != 1) && (default_erl != 2)) {
841 pr_err("Illegal value for default_erl: %u\n", default_erl);
845 a->default_erl = default_erl;
846 pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);
851 int iscsit_ta_t10_pi(
852 struct iscsi_portal_group *tpg,
855 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
857 if ((flag != 0) && (flag != 1)) {
858 pr_err("Illegal value %d\n", flag);
863 pr_debug("iSCSI_TPG[%hu] - T10 Protection information bit:"
864 " %s\n", tpg->tpgt, (a->t10_pi) ?
870 int iscsit_ta_fabric_prot_type(
871 struct iscsi_portal_group *tpg,
874 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
876 if ((prot_type != 0) && (prot_type != 1) && (prot_type != 3)) {
877 pr_err("Illegal value for fabric_prot_type: %u\n", prot_type);
881 a->fabric_prot_type = prot_type;
882 pr_debug("iSCSI_TPG[%hu] - T10 Fabric Protection Type: %u\n",
883 tpg->tpgt, prot_type);
888 int iscsit_ta_tpg_enabled_sendtargets(
889 struct iscsi_portal_group *tpg,
892 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
894 if ((flag != 0) && (flag != 1)) {
895 pr_err("Illegal value %d\n", flag);
899 a->tpg_enabled_sendtargets = flag;
900 pr_debug("iSCSI_TPG[%hu] - TPG enabled bit required for SendTargets:"
901 " %s\n", tpg->tpgt, (a->tpg_enabled_sendtargets) ? "ON" : "OFF");
906 int iscsit_ta_login_keys_workaround(
907 struct iscsi_portal_group *tpg,
910 struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
912 if ((flag != 0) && (flag != 1)) {
913 pr_err("Illegal value %d\n", flag);
917 a->login_keys_workaround = flag;
918 pr_debug("iSCSI_TPG[%hu] - TPG enabled bit for login keys workaround: %s ",
919 tpg->tpgt, (a->login_keys_workaround) ? "ON" : "OFF");