27 	struct iscsi_portal_group *tpg;  in iscsit_alloc_portal_group()  local
29 	tpg = kzalloc(sizeof(struct iscsi_portal_group), GFP_KERNEL);  in iscsit_alloc_portal_group()
30 	if (!tpg) {  in iscsit_alloc_portal_group()
35 	tpg->tpgt = tpgt;  in iscsit_alloc_portal_group()
36 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_alloc_portal_group()
37 	tpg->tpg_tiqn = tiqn;  in iscsit_alloc_portal_group()
38 	INIT_LIST_HEAD(&tpg->tpg_gnp_list);  in iscsit_alloc_portal_group()
39 	INIT_LIST_HEAD(&tpg->tpg_list);  in iscsit_alloc_portal_group()
40 	mutex_init(&tpg->tpg_access_lock);  in iscsit_alloc_portal_group()
41 	sema_init(&tpg->np_login_sem, 1);  in iscsit_alloc_portal_group()
42 	spin_lock_init(&tpg->tpg_state_lock);  in iscsit_alloc_portal_group()
43 	spin_lock_init(&tpg->tpg_np_lock);  in iscsit_alloc_portal_group()
45 	return tpg;  in iscsit_alloc_portal_group()
53 	struct iscsi_portal_group *tpg;  in iscsit_load_discovery_tpg()  local
56 	tpg = iscsit_alloc_portal_group(NULL, 1);  in iscsit_load_discovery_tpg()
57 	if (!tpg) {  in iscsit_load_discovery_tpg()
65 	tpg->tpg_se_tpg.se_tpg_tfo = &iscsi_ops;  in iscsit_load_discovery_tpg()
66 	ret = core_tpg_register(NULL, &tpg->tpg_se_tpg, -1);  in iscsit_load_discovery_tpg()
68 		kfree(tpg);  in iscsit_load_discovery_tpg()
72 	tpg->sid = 1; /* First Assigned LIO Session ID */  in iscsit_load_discovery_tpg()
73 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_load_discovery_tpg()
75 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_load_discovery_tpg()
83 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_load_discovery_tpg()
90 	tpg->tpg_attrib.authentication = 0;  in iscsit_load_discovery_tpg()
92 	spin_lock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
93 	tpg->tpg_state  = TPG_STATE_ACTIVE;  in iscsit_load_discovery_tpg()
94 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
96 	iscsit_global->discovery_tpg = tpg;  in iscsit_load_discovery_tpg()
101 	iscsi_release_param_list(tpg->param_list);  in iscsit_load_discovery_tpg()
103 	if (tpg->sid == 1)  in iscsit_load_discovery_tpg()
104 		core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_load_discovery_tpg()
105 	kfree(tpg);  in iscsit_load_discovery_tpg()
111 	struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;  in iscsit_release_discovery_tpg()  local
113 	if (!tpg)  in iscsit_release_discovery_tpg()
116 	iscsi_release_param_list(tpg->param_list);  in iscsit_release_discovery_tpg()
117 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_release_discovery_tpg()
119 	kfree(tpg);  in iscsit_release_discovery_tpg()
128 	struct iscsi_portal_group *tpg = NULL;  in iscsit_get_tpg_from_np()  local
132 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_get_tpg_from_np()
134 		spin_lock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
135 		if (tpg->tpg_state != TPG_STATE_ACTIVE) {  in iscsit_get_tpg_from_np()
136 			spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
139 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
141 		spin_lock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
142 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_get_tpg_from_np()
146 				spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
148 				return tpg;  in iscsit_get_tpg_from_np()
151 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
159 	struct iscsi_portal_group *tpg)  in iscsit_get_tpg()  argument
161 	return mutex_lock_interruptible(&tpg->tpg_access_lock);  in iscsit_get_tpg()
164 void iscsit_put_tpg(struct iscsi_portal_group *tpg)  in iscsit_put_tpg()  argument
166 	mutex_unlock(&tpg->tpg_access_lock);  in iscsit_put_tpg()
171 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_thread()  argument
181 	iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_thread()
185 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_threads()  argument
190 	spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
191 	list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_clear_tpg_np_login_threads()
196 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
197 		iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_threads()
198 		spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
200 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
203 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)  in iscsit_tpg_dump_params()  argument
205 	iscsi_print_params(tpg->param_list);  in iscsit_tpg_dump_params()
208 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)  in iscsit_set_default_tpg_attribs()  argument
210 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_set_default_tpg_attribs()
228 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)  in iscsit_tpg_add_portal_group()  argument
230 	if (tpg->tpg_state != TPG_STATE_FREE) {  in iscsit_tpg_add_portal_group()
232 			" while not in TPG_STATE_FREE state.\n", tpg->tpgt);  in iscsit_tpg_add_portal_group()
235 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_tpg_add_portal_group()
237 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_tpg_add_portal_group()
240 	tpg->tpg_attrib.tpg = tpg;  in iscsit_tpg_add_portal_group()
242 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
243 	tpg->tpg_state	= TPG_STATE_INACTIVE;  in iscsit_tpg_add_portal_group()
244 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
247 	list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);  in iscsit_tpg_add_portal_group()
250 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_add_portal_group()
255 	if (tpg->param_list) {  in iscsit_tpg_add_portal_group()
256 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_add_portal_group()
257 		tpg->param_list = NULL;  in iscsit_tpg_add_portal_group()
264 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_portal_group()  argument
267 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_del_portal_group()
269 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
270 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_del_portal_group()
271 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
273 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_del_portal_group()
276 			tpg->tpgt);  in iscsit_tpg_del_portal_group()
277 		tpg->tpg_state = old_state;  in iscsit_tpg_del_portal_group()
281 	if (tpg->param_list) {  in iscsit_tpg_del_portal_group()
282 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_del_portal_group()
283 		tpg->param_list = NULL;  in iscsit_tpg_del_portal_group()
286 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_tpg_del_portal_group()
288 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
289 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_tpg_del_portal_group()
290 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
294 	list_del(&tpg->tpg_list);  in iscsit_tpg_del_portal_group()
298 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_del_portal_group()
300 	kfree(tpg);  in iscsit_tpg_del_portal_group()
304 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)  in iscsit_tpg_enable_portal_group()  argument
307 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_tpg_enable_portal_group()
310 	if (tpg->tpg_state == TPG_STATE_ACTIVE) {  in iscsit_tpg_enable_portal_group()
312 			" active, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_enable_portal_group()
320 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_tpg_enable_portal_group()
324 	if (tpg->tpg_attrib.authentication) {  in iscsit_tpg_enable_portal_group()
331 		ret = iscsit_ta_authentication(tpg, 1);  in iscsit_tpg_enable_portal_group()
336 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
337 	tpg->tpg_state = TPG_STATE_ACTIVE;  in iscsit_tpg_enable_portal_group()
338 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
343 			tpg->tpgt);  in iscsit_tpg_enable_portal_group()
352 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)  in iscsit_tpg_disable_portal_group()  argument
355 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_disable_portal_group()
357 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
358 	if (tpg->tpg_state == TPG_STATE_INACTIVE) {  in iscsit_tpg_disable_portal_group()
360 			" inactive, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_disable_portal_group()
361 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
364 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_disable_portal_group()
365 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
367 	iscsit_clear_tpg_np_login_threads(tpg, false);  in iscsit_tpg_disable_portal_group()
369 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_disable_portal_group()
370 		spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
371 		tpg->tpg_state = old_state;  in iscsit_tpg_disable_portal_group()
372 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
375 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
379 	tiqn = tpg->tpg_tiqn;  in iscsit_tpg_disable_portal_group()
380 	if (!tiqn || (tpg == iscsit_global->discovery_tpg))  in iscsit_tpg_disable_portal_group()
386 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
427 	struct iscsi_portal_group *tpg;  in iscsit_tpg_check_network_portal()  local
433 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_tpg_check_network_portal()
435 		spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
436 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_tpg_check_network_portal()
444 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
455 	struct iscsi_portal_group *tpg,  in iscsit_tpg_add_network_portal()  argument
464 		if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,  in iscsit_tpg_add_network_portal()
468 				tpg->tpg_tiqn->tiqn);  in iscsit_tpg_add_network_portal()
493 	tpg_np->tpg		= tpg;  in iscsit_tpg_add_network_portal()
495 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
496 	list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);  in iscsit_tpg_add_network_portal()
497 	tpg->num_tpg_nps++;  in iscsit_tpg_add_network_portal()
498 	if (tpg->tpg_tiqn)  in iscsit_tpg_add_network_portal()
499 		tpg->tpg_tiqn->tiqn_num_tpg_nps++;  in iscsit_tpg_add_network_portal()
500 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
511 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,  in iscsit_tpg_add_network_portal()
519 	struct iscsi_portal_group *tpg,  in iscsit_tpg_release_np()  argument
522 	iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);  in iscsit_tpg_release_np()
525 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,  in iscsit_tpg_release_np()
529 	tpg_np->tpg = NULL;  in iscsit_tpg_release_np()
538 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_network_portal()  argument
561 			ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);  in iscsit_tpg_del_network_portal()
576 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
578 	tpg->num_tpg_nps--;  in iscsit_tpg_del_network_portal()
579 	if (tpg->tpg_tiqn)  in iscsit_tpg_del_network_portal()
580 		tpg->tpg_tiqn->tiqn_num_tpg_nps--;  in iscsit_tpg_del_network_portal()
581 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
583 	return iscsit_tpg_release_np(tpg_np, tpg, np);  in iscsit_tpg_del_network_portal()
586 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)  in iscsit_ta_authentication()  argument
591 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_authentication()
602 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_ta_authentication()
641 		a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);  in iscsit_ta_authentication()
647 	struct iscsi_portal_group *tpg,  in iscsit_ta_login_timeout()  argument
650 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_login_timeout()
664 		" %hu\n", a->login_timeout, tpg->tpgt);  in iscsit_ta_login_timeout()
670 	struct iscsi_portal_group *tpg,  in iscsit_ta_netif_timeout()  argument
673 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_netif_timeout()
689 		" Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);  in iscsit_ta_netif_timeout()
695 	struct iscsi_portal_group *tpg,  in iscsit_ta_generate_node_acls()  argument
698 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_generate_node_acls()
707 		tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");  in iscsit_ta_generate_node_acls()
719 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_cmdsn_depth()  argument
722 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_cmdsn_depth()
738 		tpg->tpgt, a->default_cmdsn_depth);  in iscsit_ta_default_cmdsn_depth()
744 	struct iscsi_portal_group *tpg,  in iscsit_ta_cache_dynamic_acls()  argument
747 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_cache_dynamic_acls()
762 		" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?  in iscsit_ta_cache_dynamic_acls()
769 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_write_protect()  argument
772 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_write_protect()
781 		tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");  in iscsit_ta_demo_mode_write_protect()
787 	struct iscsi_portal_group *tpg,  in iscsit_ta_prod_mode_write_protect()  argument
790 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_prod_mode_write_protect()
799 		" %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?  in iscsit_ta_prod_mode_write_protect()
806 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_discovery()  argument
809 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_discovery()
818 		" %s\n", tpg->tpgt, (a->demo_mode_discovery) ?  in iscsit_ta_demo_mode_discovery()
825 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_erl()  argument
828 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_erl()
836 	pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);  in iscsit_ta_default_erl()
842 	struct iscsi_portal_group *tpg,  in iscsit_ta_t10_pi()  argument
845 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_t10_pi()
854 		" %s\n", tpg->tpgt, (a->t10_pi) ?  in iscsit_ta_t10_pi()
861 	struct iscsi_portal_group *tpg,  in iscsit_ta_fabric_prot_type()  argument
864 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_fabric_prot_type()
873 		 tpg->tpgt, prot_type);  in iscsit_ta_fabric_prot_type()
879 	struct iscsi_portal_group *tpg,  in iscsit_ta_tpg_enabled_sendtargets()  argument
882 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_tpg_enabled_sendtargets()
891 		" %s\n", tpg->tpgt, (a->tpg_enabled_sendtargets) ? "ON" : "OFF");  in iscsit_ta_tpg_enabled_sendtargets()
897 	struct iscsi_portal_group *tpg,  in iscsit_ta_login_keys_workaround()  argument
900 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_login_keys_workaround()
909 		tpg->tpgt, (a->login_keys_workaround) ? "ON" : "OFF");  in iscsit_ta_login_keys_workaround()