35 	struct iscsi_portal_group *tpg;  in iscsit_alloc_portal_group()  local
37 	tpg = kzalloc(sizeof(struct iscsi_portal_group), GFP_KERNEL);  in iscsit_alloc_portal_group()
38 	if (!tpg) {  in iscsit_alloc_portal_group()
43 	tpg->tpgt = tpgt;  in iscsit_alloc_portal_group()
44 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_alloc_portal_group()
45 	tpg->tpg_tiqn = tiqn;  in iscsit_alloc_portal_group()
46 	INIT_LIST_HEAD(&tpg->tpg_gnp_list);  in iscsit_alloc_portal_group()
47 	INIT_LIST_HEAD(&tpg->tpg_list);  in iscsit_alloc_portal_group()
48 	mutex_init(&tpg->tpg_access_lock);  in iscsit_alloc_portal_group()
49 	sema_init(&tpg->np_login_sem, 1);  in iscsit_alloc_portal_group()
50 	spin_lock_init(&tpg->tpg_state_lock);  in iscsit_alloc_portal_group()
51 	spin_lock_init(&tpg->tpg_np_lock);  in iscsit_alloc_portal_group()
53 	return tpg;  in iscsit_alloc_portal_group()
61 	struct iscsi_portal_group *tpg;  in iscsit_load_discovery_tpg()  local
64 	tpg = iscsit_alloc_portal_group(NULL, 1);  in iscsit_load_discovery_tpg()
65 	if (!tpg) {  in iscsit_load_discovery_tpg()
73 	tpg->tpg_se_tpg.se_tpg_tfo = &iscsi_ops;  in iscsit_load_discovery_tpg()
74 	ret = core_tpg_register(NULL, &tpg->tpg_se_tpg, -1);  in iscsit_load_discovery_tpg()
76 		kfree(tpg);  in iscsit_load_discovery_tpg()
80 	tpg->sid = 1; /* First Assigned LIO Session ID */  in iscsit_load_discovery_tpg()
81 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_load_discovery_tpg()
83 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_load_discovery_tpg()
91 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_load_discovery_tpg()
98 	tpg->tpg_attrib.authentication = 0;  in iscsit_load_discovery_tpg()
100 	spin_lock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
101 	tpg->tpg_state  = TPG_STATE_ACTIVE;  in iscsit_load_discovery_tpg()
102 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_load_discovery_tpg()
104 	iscsit_global->discovery_tpg = tpg;  in iscsit_load_discovery_tpg()
109 	if (tpg->sid == 1)  in iscsit_load_discovery_tpg()
110 		core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_load_discovery_tpg()
111 	kfree(tpg);  in iscsit_load_discovery_tpg()
117 	struct iscsi_portal_group *tpg = iscsit_global->discovery_tpg;  in iscsit_release_discovery_tpg()  local
119 	if (!tpg)  in iscsit_release_discovery_tpg()
122 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_release_discovery_tpg()
124 	kfree(tpg);  in iscsit_release_discovery_tpg()
133 	struct iscsi_portal_group *tpg = NULL;  in iscsit_get_tpg_from_np()  local
137 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_get_tpg_from_np()
139 		spin_lock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
140 		if (tpg->tpg_state != TPG_STATE_ACTIVE) {  in iscsit_get_tpg_from_np()
141 			spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
144 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_get_tpg_from_np()
146 		spin_lock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
147 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_get_tpg_from_np()
151 				spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
153 				return tpg;  in iscsit_get_tpg_from_np()
156 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_get_tpg_from_np()
164 	struct iscsi_portal_group *tpg)  in iscsit_get_tpg()  argument
166 	return mutex_lock_interruptible(&tpg->tpg_access_lock);  in iscsit_get_tpg()
169 void iscsit_put_tpg(struct iscsi_portal_group *tpg)  in iscsit_put_tpg()  argument
171 	mutex_unlock(&tpg->tpg_access_lock);  in iscsit_put_tpg()
176 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_thread()  argument
186 	iscsit_reset_np_thread(tpg_np->tpg_np, tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_thread()
190 	struct iscsi_portal_group *tpg,  in iscsit_clear_tpg_np_login_threads()  argument
195 	spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
196 	list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_clear_tpg_np_login_threads()
201 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
202 		iscsit_clear_tpg_np_login_thread(tpg_np, tpg, shutdown);  in iscsit_clear_tpg_np_login_threads()
203 		spin_lock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
205 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_clear_tpg_np_login_threads()
208 void iscsit_tpg_dump_params(struct iscsi_portal_group *tpg)  in iscsit_tpg_dump_params()  argument
210 	iscsi_print_params(tpg->param_list);  in iscsit_tpg_dump_params()
213 static void iscsit_set_default_tpg_attribs(struct iscsi_portal_group *tpg)  in iscsit_set_default_tpg_attribs()  argument
215 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_set_default_tpg_attribs()
232 int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_group *tpg)  in iscsit_tpg_add_portal_group()  argument
234 	if (tpg->tpg_state != TPG_STATE_FREE) {  in iscsit_tpg_add_portal_group()
236 			" while not in TPG_STATE_FREE state.\n", tpg->tpgt);  in iscsit_tpg_add_portal_group()
239 	iscsit_set_default_tpg_attribs(tpg);  in iscsit_tpg_add_portal_group()
241 	if (iscsi_create_default_params(&tpg->param_list) < 0)  in iscsit_tpg_add_portal_group()
244 	tpg->tpg_attrib.tpg = tpg;  in iscsit_tpg_add_portal_group()
246 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
247 	tpg->tpg_state	= TPG_STATE_INACTIVE;  in iscsit_tpg_add_portal_group()
248 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_add_portal_group()
251 	list_add_tail(&tpg->tpg_list, &tiqn->tiqn_tpg_list);  in iscsit_tpg_add_portal_group()
254 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_add_portal_group()
259 	if (tpg->param_list) {  in iscsit_tpg_add_portal_group()
260 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_add_portal_group()
261 		tpg->param_list = NULL;  in iscsit_tpg_add_portal_group()
263 	kfree(tpg);  in iscsit_tpg_add_portal_group()
269 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_portal_group()  argument
272 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_del_portal_group()
274 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
275 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_del_portal_group()
276 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
278 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_del_portal_group()
281 			tpg->tpgt);  in iscsit_tpg_del_portal_group()
282 		tpg->tpg_state = old_state;  in iscsit_tpg_del_portal_group()
286 	if (tpg->param_list) {  in iscsit_tpg_del_portal_group()
287 		iscsi_release_param_list(tpg->param_list);  in iscsit_tpg_del_portal_group()
288 		tpg->param_list = NULL;  in iscsit_tpg_del_portal_group()
291 	core_tpg_deregister(&tpg->tpg_se_tpg);  in iscsit_tpg_del_portal_group()
293 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
294 	tpg->tpg_state = TPG_STATE_FREE;  in iscsit_tpg_del_portal_group()
295 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_del_portal_group()
299 	list_del(&tpg->tpg_list);  in iscsit_tpg_del_portal_group()
303 			tiqn->tiqn, tpg->tpgt);  in iscsit_tpg_del_portal_group()
305 	kfree(tpg);  in iscsit_tpg_del_portal_group()
309 int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *tpg)  in iscsit_tpg_enable_portal_group()  argument
312 	struct iscsi_tiqn *tiqn = tpg->tpg_tiqn;  in iscsit_tpg_enable_portal_group()
315 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
316 	if (tpg->tpg_state == TPG_STATE_ACTIVE) {  in iscsit_tpg_enable_portal_group()
318 			" active, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_enable_portal_group()
319 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
327 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_tpg_enable_portal_group()
329 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
333 	if (tpg->tpg_attrib.authentication) {  in iscsit_tpg_enable_portal_group()
340 		ret = iscsit_ta_authentication(tpg, 1);  in iscsit_tpg_enable_portal_group()
345 	tpg->tpg_state = TPG_STATE_ACTIVE;  in iscsit_tpg_enable_portal_group()
346 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
351 			tpg->tpgt);  in iscsit_tpg_enable_portal_group()
357 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_enable_portal_group()
361 int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *tpg, int force)  in iscsit_tpg_disable_portal_group()  argument
364 	u8 old_state = tpg->tpg_state;  in iscsit_tpg_disable_portal_group()
366 	spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
367 	if (tpg->tpg_state == TPG_STATE_INACTIVE) {  in iscsit_tpg_disable_portal_group()
369 			" inactive, ignoring request.\n", tpg->tpgt);  in iscsit_tpg_disable_portal_group()
370 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
373 	tpg->tpg_state = TPG_STATE_INACTIVE;  in iscsit_tpg_disable_portal_group()
374 	spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
376 	iscsit_clear_tpg_np_login_threads(tpg, false);  in iscsit_tpg_disable_portal_group()
378 	if (iscsit_release_sessions_for_tpg(tpg, force) < 0) {  in iscsit_tpg_disable_portal_group()
379 		spin_lock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
380 		tpg->tpg_state = old_state;  in iscsit_tpg_disable_portal_group()
381 		spin_unlock(&tpg->tpg_state_lock);  in iscsit_tpg_disable_portal_group()
384 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
388 	tiqn = tpg->tpg_tiqn;  in iscsit_tpg_disable_portal_group()
389 	if (!tiqn || (tpg == iscsit_global->discovery_tpg))  in iscsit_tpg_disable_portal_group()
395 			tpg->tpgt);  in iscsit_tpg_disable_portal_group()
437 	struct iscsi_portal_group *tpg;  in iscsit_tpg_check_network_portal()  local
443 	list_for_each_entry(tpg, &tiqn->tiqn_tpg_list, tpg_list) {  in iscsit_tpg_check_network_portal()
445 		spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
446 		list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) {  in iscsit_tpg_check_network_portal()
454 		spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_check_network_portal()
462 	struct iscsi_portal_group *tpg,  in iscsit_tpg_add_network_portal()  argument
471 		if (iscsit_tpg_check_network_portal(tpg->tpg_tiqn, sockaddr,  in iscsit_tpg_add_network_portal()
475 				tpg->tpg_tiqn->tiqn);  in iscsit_tpg_add_network_portal()
500 	tpg_np->tpg		= tpg;  in iscsit_tpg_add_network_portal()
502 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
503 	list_add_tail(&tpg_np->tpg_np_list, &tpg->tpg_gnp_list);  in iscsit_tpg_add_network_portal()
504 	tpg->num_tpg_nps++;  in iscsit_tpg_add_network_portal()
505 	if (tpg->tpg_tiqn)  in iscsit_tpg_add_network_portal()
506 		tpg->tpg_tiqn->tiqn_num_tpg_nps++;  in iscsit_tpg_add_network_portal()
507 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_add_network_portal()
518 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,  in iscsit_tpg_add_network_portal()
526 	struct iscsi_portal_group *tpg,  in iscsit_tpg_release_np()  argument
529 	iscsit_clear_tpg_np_login_thread(tpg_np, tpg, true);  in iscsit_tpg_release_np()
532 		tpg->tpg_tiqn->tiqn, &np->np_sockaddr, tpg->tpgt,  in iscsit_tpg_release_np()
536 	tpg_np->tpg = NULL;  in iscsit_tpg_release_np()
545 	struct iscsi_portal_group *tpg,  in iscsit_tpg_del_network_portal()  argument
568 			ret = iscsit_tpg_del_network_portal(tpg, tpg_np_child);  in iscsit_tpg_del_network_portal()
583 	spin_lock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
585 	tpg->num_tpg_nps--;  in iscsit_tpg_del_network_portal()
586 	if (tpg->tpg_tiqn)  in iscsit_tpg_del_network_portal()
587 		tpg->tpg_tiqn->tiqn_num_tpg_nps--;  in iscsit_tpg_del_network_portal()
588 	spin_unlock(&tpg->tpg_np_lock);  in iscsit_tpg_del_network_portal()
590 	return iscsit_tpg_release_np(tpg_np, tpg, np);  in iscsit_tpg_del_network_portal()
594 	struct iscsi_portal_group *tpg,  in iscsit_tpg_set_initiator_node_queue_depth()  argument
599 	return core_tpg_set_initiator_node_queue_depth(&tpg->tpg_se_tpg,  in iscsit_tpg_set_initiator_node_queue_depth()
603 int iscsit_ta_authentication(struct iscsi_portal_group *tpg, u32 authentication)  in iscsit_ta_authentication()  argument
608 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_authentication()
619 	param = iscsi_find_param_from_key(AUTHMETHOD, tpg->param_list);  in iscsit_ta_authentication()
659 		a->authentication ? "Enforcing" : "Disabling", tpg->tpgt);  in iscsit_ta_authentication()
665 	struct iscsi_portal_group *tpg,  in iscsit_ta_login_timeout()  argument
668 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_login_timeout()
682 		" %hu\n", a->login_timeout, tpg->tpgt);  in iscsit_ta_login_timeout()
688 	struct iscsi_portal_group *tpg,  in iscsit_ta_netif_timeout()  argument
691 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_netif_timeout()
707 		" Target Portal Group %hu\n", a->netif_timeout, tpg->tpgt);  in iscsit_ta_netif_timeout()
713 	struct iscsi_portal_group *tpg,  in iscsit_ta_generate_node_acls()  argument
716 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_generate_node_acls()
725 		tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");  in iscsit_ta_generate_node_acls()
737 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_cmdsn_depth()  argument
740 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_cmdsn_depth()
756 		tpg->tpgt, a->default_cmdsn_depth);  in iscsit_ta_default_cmdsn_depth()
762 	struct iscsi_portal_group *tpg,  in iscsit_ta_cache_dynamic_acls()  argument
765 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_cache_dynamic_acls()
780 		" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?  in iscsit_ta_cache_dynamic_acls()
787 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_write_protect()  argument
790 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_write_protect()
799 		tpg->tpgt, (a->demo_mode_write_protect) ? "ON" : "OFF");  in iscsit_ta_demo_mode_write_protect()
805 	struct iscsi_portal_group *tpg,  in iscsit_ta_prod_mode_write_protect()  argument
808 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_prod_mode_write_protect()
817 		" %s\n", tpg->tpgt, (a->prod_mode_write_protect) ?  in iscsit_ta_prod_mode_write_protect()
824 	struct iscsi_portal_group *tpg,  in iscsit_ta_demo_mode_discovery()  argument
827 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_demo_mode_discovery()
836 		" %s\n", tpg->tpgt, (a->demo_mode_discovery) ?  in iscsit_ta_demo_mode_discovery()
843 	struct iscsi_portal_group *tpg,  in iscsit_ta_default_erl()  argument
846 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_default_erl()
854 	pr_debug("iSCSI_TPG[%hu] - DefaultERL: %u\n", tpg->tpgt, a->default_erl);  in iscsit_ta_default_erl()
860 	struct iscsi_portal_group *tpg,  in iscsit_ta_t10_pi()  argument
863 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_t10_pi()
872 		" %s\n", tpg->tpgt, (a->t10_pi) ?  in iscsit_ta_t10_pi()
879 	struct iscsi_portal_group *tpg,  in iscsit_ta_fabric_prot_type()  argument
882 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_fabric_prot_type()
891 		 tpg->tpgt, prot_type);  in iscsit_ta_fabric_prot_type()
897 	struct iscsi_portal_group *tpg,  in iscsit_ta_tpg_enabled_sendtargets()  argument
900 	struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;  in iscsit_ta_tpg_enabled_sendtargets()
909 		" %s\n", tpg->tpgt, (a->tpg_enabled_sendtargets) ? "ON" : "OFF");  in iscsit_ta_tpg_enabled_sendtargets()