36 	struct iscsi_portal_group *tpg;  in iscsit_alloc_portal_group()  local
38 	tpg = kzalloc(sizeof(struct iscsi_portal_group), GFP_KERNEL);  in iscsit_alloc_portal_group()
39 	if (!tpg) {  in iscsit_alloc_portal_group()
44 	tpg->tpgt = tpgt;  in iscsit_alloc_portal_group()
45 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_alloc_portal_group()
46 	tpg->tpg_tiqn = tiqn;  in iscsit_alloc_portal_group()
47 	INIT_LIST_HEAD(&tpg->tpg_gnp_list);  in iscsit_alloc_portal_group()
48 	INIT_LIST_HEAD(&tpg->tpg_list);  in iscsit_alloc_portal_group()
49 	mutex_init(&tpg->tpg_access_lock);  in iscsit_alloc_portal_group()
50 	sema_init(&tpg->np_login_sem, 1);  in iscsit_alloc_portal_group()
51 	spin_lock_init(&tpg->tpg_state_lock);  in iscsit_alloc_portal_group()
52 	spin_lock_init(&tpg->tpg_np_lock);  in iscsit_alloc_portal_group()
54 	return tpg;  in iscsit_alloc_portal_group()
62 	struct iscsi_portal_group *tpg;  in iscsit_load_discovery_tpg()  local
65 	tpg = iscsit_alloc_portal_group(NULL, 1);  in iscsit_load_discovery_tpg()
66 	if (!tpg) {  in iscsit_load_discovery_tpg()
71 	ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg,  in iscsit_load_discovery_tpg()
72 				tpg, TRANSPORT_TPG_TYPE_DISCOVERY);  in iscsit_load_discovery_tpg()
74 		kfree(tpg);  in iscsit_load_discovery_tpg()
78 	tpg->sid = 1; /* First Assigned LIO Session ID */  in iscsit_load_discovery_tpg()
79 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_load_discovery_tpg()
81 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_load_discovery_tpg()
89 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_load_discovery_tpg()
96 	tpg->tpg_attrib.authentication = 0;  in iscsit_load_discovery_tpg()
98 	spin_lock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
99 	tpg->tpg_state  = TPG_STATE_ACTIVE;  in iscsit_load_discovery_tpg()
100 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
102 	iscsit_global->discovery_tpg = tpg;  in iscsit_load_discovery_tpg()
107 	if (tpg->sid == 1)  in iscsit_load_discovery_tpg()
108 		core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_load_discovery_tpg()
109 	kfree(tpg);  in iscsit_load_discovery_tpg()
115 	struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;  in iscsit_release_discovery_tpg()  local
117 	if (!tpg)  in iscsit_release_discovery_tpg()
120 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_release_discovery_tpg()
122 	kfree(tpg);  in iscsit_release_discovery_tpg()
131 	struct iscsi_portal_group *tpg = NULL;  in iscsit_get_tpg_from_np()  local
135 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_get_tpg_from_np()
137 		spin_lock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
138 		if (tpg->tpg_state != TPG_STATE_ACTIVE) {  in iscsit_get_tpg_from_np()
139 			spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
142 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
144 		spin_lock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
145 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_get_tpg_from_np()
149 				spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
151 				return tpg;  in iscsit_get_tpg_from_np()
154 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
162 	struct iscsi_portal_group *tpg)  in iscsit_get_tpg()  argument
164 	return mutex_lock_interruptible(&tpg->tpg_access_lock);  in iscsit_get_tpg()
167 void iscsit_put_tpg(struct iscsi_portal_group *tpg)  in iscsit_put_tpg()  argument
169 	mutex_unlock(&tpg->tpg_access_lock);  in iscsit_put_tpg()
174 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_thread()  argument
184 	iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_thread()
188 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_threads()  argument
193 	spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
194 	list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_clear_tpg_np_login_threads()
199 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
200 		iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_threads()
201 		spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
203 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
206 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)  in iscsit_tpg_dump_params()  argument
208 	iscsi_print_params(tpg->param_list);  in iscsit_tpg_dump_params()
211 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)  in iscsit_set_default_tpg_attribs()  argument
213 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_set_default_tpg_attribs()
229 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)  in iscsit_tpg_add_portal_group()  argument
231 	if (tpg->tpg_state != TPG_STATE_FREE) {  in iscsit_tpg_add_portal_group()
233 			" while not in TPG_STATE_FREE state.\n", tpg->tpgt);  in iscsit_tpg_add_portal_group()
236 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_tpg_add_portal_group()
238 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_tpg_add_portal_group()
241 	tpg->tpg_attrib.tpg = tpg;  in iscsit_tpg_add_portal_group()
243 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
244 	tpg->tpg_state	= TPG_STATE_INACTIVE;  in iscsit_tpg_add_portal_group()
245 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
248 	list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);  in iscsit_tpg_add_portal_group()
251 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_add_portal_group()
256 	if (tpg->param_list) {  in iscsit_tpg_add_portal_group()
257 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_add_portal_group()
258 		tpg->param_list = NULL;  in iscsit_tpg_add_portal_group()
260 	kfree(tpg);  in iscsit_tpg_add_portal_group()
266 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_portal_group()  argument
269 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_del_portal_group()
271 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
272 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_del_portal_group()
273 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
275 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_del_portal_group()
278 			tpg->tpgt);  in iscsit_tpg_del_portal_group()
279 		tpg->tpg_state = old_state;  in iscsit_tpg_del_portal_group()
283 	core_tpg_clear_object_luns(&tpg->tpg_se_tpg);  in iscsit_tpg_del_portal_group()
285 	if (tpg->param_list) {  in iscsit_tpg_del_portal_group()
286 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_del_portal_group()
287 		tpg->param_list = NULL;  in iscsit_tpg_del_portal_group()
290 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_tpg_del_portal_group()
292 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
293 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_tpg_del_portal_group()
294 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
298 	list_del(&tpg->tpg_list);  in iscsit_tpg_del_portal_group()
302 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_del_portal_group()
304 	kfree(tpg);  in iscsit_tpg_del_portal_group()
308 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)  in iscsit_tpg_enable_portal_group()  argument
311 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_tpg_enable_portal_group()
314 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
315 	if (tpg->tpg_state == TPG_STATE_ACTIVE) {  in iscsit_tpg_enable_portal_group()
317 			" active, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_enable_portal_group()
318 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
326 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_tpg_enable_portal_group()
328 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
332 	if (tpg->tpg_attrib.authentication) {  in iscsit_tpg_enable_portal_group()
339 		ret = iscsit_ta_authentication(tpg, 1);  in iscsit_tpg_enable_portal_group()
344 	tpg->tpg_state = TPG_STATE_ACTIVE;  in iscsit_tpg_enable_portal_group()
345 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
350 			tpg->tpgt);  in iscsit_tpg_enable_portal_group()
356 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
360 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)  in iscsit_tpg_disable_portal_group()  argument
363 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_disable_portal_group()
365 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
366 	if (tpg->tpg_state == TPG_STATE_INACTIVE) {  in iscsit_tpg_disable_portal_group()
368 			" inactive, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_disable_portal_group()
369 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
372 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_disable_portal_group()
373 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
375 	iscsit_clear_tpg_np_login_threads(tpg, false);  in iscsit_tpg_disable_portal_group()
377 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_disable_portal_group()
378 		spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
379 		tpg->tpg_state = old_state;  in iscsit_tpg_disable_portal_group()
380 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
383 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
387 	tiqn = tpg->tpg_tiqn;  in iscsit_tpg_disable_portal_group()
388 	if (!tiqn || (tpg == iscsit_global->discovery_tpg))  in iscsit_tpg_disable_portal_group()
394 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
436 	struct iscsi_portal_group *tpg;  in iscsit_tpg_check_network_portal()  local
442 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_tpg_check_network_portal()
444 		spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
445 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_tpg_check_network_portal()
453 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
461 	struct iscsi_portal_group *tpg,  in iscsit_tpg_add_network_portal()  argument
470 		if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,  in iscsit_tpg_add_network_portal()
474 				tpg->tpg_tiqn->tiqn);  in iscsit_tpg_add_network_portal()
499 	tpg_np->tpg		= tpg;  in iscsit_tpg_add_network_portal()
501 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
502 	list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);  in iscsit_tpg_add_network_portal()
503 	tpg->num_tpg_nps++;  in iscsit_tpg_add_network_portal()
504 	if (tpg->tpg_tiqn)  in iscsit_tpg_add_network_portal()
505 		tpg->tpg_tiqn->tiqn_num_tpg_nps++;  in iscsit_tpg_add_network_portal()
506 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
517 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, np->np_port, tpg->tpgt,  in iscsit_tpg_add_network_portal()
525 	struct iscsi_portal_group *tpg,  in iscsit_tpg_release_np()  argument
528 	iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);  in iscsit_tpg_release_np()
531 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, np->np_port, tpg->tpgt,  in iscsit_tpg_release_np()
535 	tpg_np->tpg = NULL;  in iscsit_tpg_release_np()
544 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_network_portal()  argument
567 			ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);  in iscsit_tpg_del_network_portal()
582 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
584 	tpg->num_tpg_nps--;  in iscsit_tpg_del_network_portal()
585 	if (tpg->tpg_tiqn)  in iscsit_tpg_del_network_portal()
586 		tpg->tpg_tiqn->tiqn_num_tpg_nps--;  in iscsit_tpg_del_network_portal()
587 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
589 	return iscsit_tpg_release_np(tpg_np, tpg, np);  in iscsit_tpg_del_network_portal()
593 	struct iscsi_portal_group *tpg,  in iscsit_tpg_set_initiator_node_queue_depth()  argument
598 	return core_tpg_set_initiator_node_queue_depth(&tpg->tpg_se_tpg,  in iscsit_tpg_set_initiator_node_queue_depth()
602 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)  in iscsit_ta_authentication()  argument
607 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_authentication()
618 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_ta_authentication()
658 		a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);  in iscsit_ta_authentication()
664 	struct iscsi_portal_group *tpg,  in iscsit_ta_login_timeout()  argument
667 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_login_timeout()
681 		" %hu\n", a->login_timeout, tpg->tpgt);  in iscsit_ta_login_timeout()
687 	struct iscsi_portal_group *tpg,  in iscsit_ta_netif_timeout()  argument
690 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_netif_timeout()
706 		" Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);  in iscsit_ta_netif_timeout()
712 	struct iscsi_portal_group *tpg,  in iscsit_ta_generate_node_acls()  argument
715 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_generate_node_acls()
724 		tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");  in iscsit_ta_generate_node_acls()
736 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_cmdsn_depth()  argument
739 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_cmdsn_depth()
755 		tpg->tpgt, a->default_cmdsn_depth);  in iscsit_ta_default_cmdsn_depth()
761 	struct iscsi_portal_group *tpg,  in iscsit_ta_cache_dynamic_acls()  argument
764 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_cache_dynamic_acls()
779 		" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?  in iscsit_ta_cache_dynamic_acls()
786 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_write_protect()  argument
789 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_write_protect()
798 		tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");  in iscsit_ta_demo_mode_write_protect()
804 	struct iscsi_portal_group *tpg,  in iscsit_ta_prod_mode_write_protect()  argument
807 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_prod_mode_write_protect()
816 		" %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?  in iscsit_ta_prod_mode_write_protect()
823 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_discovery()  argument
826 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_discovery()
835 		" %s\n", tpg->tpgt, (a->demo_mode_discovery) ?  in iscsit_ta_demo_mode_discovery()
842 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_erl()  argument
845 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_erl()
853 	pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);  in iscsit_ta_default_erl()
859 	struct iscsi_portal_group *tpg,  in iscsit_ta_t10_pi()  argument
862 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_t10_pi()
871 		" %s\n", tpg->tpgt, (a->t10_pi) ?  in iscsit_ta_t10_pi()
878 	struct iscsi_portal_group *tpg,  in iscsit_ta_fabric_prot_type()  argument
881 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_fabric_prot_type()
890 		 tpg->tpgt, prot_type);  in iscsit_ta_fabric_prot_type()