45 		struct se_lun *lun, int explicit, int offline);
49 static void __target_attach_tg_pt_gp(struct se_lun *lun,
150 	struct se_lun *lun;  in target_emulate_report_target_port_groups()  local
225 		list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,  in target_emulate_report_target_port_groups()
236 			buf[off++] = ((lun->lun_rtpi >> 8) & 0xff);  in target_emulate_report_target_port_groups()
237 			buf[off++] = (lun->lun_rtpi & 0xff);  in target_emulate_report_target_port_groups()
395 			struct se_lun *lun;  in target_emulate_set_target_port_groups()  local
408 			list_for_each_entry(lun, &dev->dev_sep_list,  in target_emulate_set_target_port_groups()
410 				if (lun->lun_rtpi != rtpi)  in target_emulate_set_target_port_groups()
417 						lun, 1, 1))  in target_emulate_set_target_port_groups()
685 	struct se_lun *lun = cmd->se_lun;  in target_alua_state_check()  local
698 	if (atomic_read(&lun->lun_tg_pt_secondary_offline)) {  in target_alua_state_check()
705 	if (!lun->lun_tg_pt_gp)  in target_alua_state_check()
708 	spin_lock(&lun->lun_tg_pt_gp_lock);  in target_alua_state_check()
709 	tg_pt_gp = lun->lun_tg_pt_gp;  in target_alua_state_check()
714 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in target_alua_state_check()
946 	struct se_lun *lun;  in core_alua_queue_state_change_ua()  local
950 	list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,  in core_alua_queue_state_change_ua()
966 		if (!percpu_ref_tryget_live(&lun->lun_ref))  in core_alua_queue_state_change_ua()
970 		spin_lock(&lun->lun_deve_lock);  in core_alua_queue_state_change_ua()
971 		list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link) {  in core_alua_queue_state_change_ua()
973 					lockdep_is_held(&lun->lun_deve_lock));  in core_alua_queue_state_change_ua()
988 			    (tg_pt_gp->tg_pt_gp_alua_lun == lun))  in core_alua_queue_state_change_ua()
1002 		spin_unlock(&lun->lun_deve_lock);  in core_alua_queue_state_change_ua()
1005 		percpu_ref_put(&lun->lun_ref);  in core_alua_queue_state_change_ua()
1247 static int core_alua_update_tpg_secondary_metadata(struct se_lun *lun)  in core_alua_update_tpg_secondary_metadata()  argument
1249 	struct se_portal_group *se_tpg = lun->lun_tpg;  in core_alua_update_tpg_secondary_metadata()
1254 	mutex_lock(&lun->lun_tg_pt_md_mutex);  in core_alua_update_tpg_secondary_metadata()
1275 			atomic_read(&lun->lun_tg_pt_secondary_offline),  in core_alua_update_tpg_secondary_metadata()
1276 			lun->lun_tg_pt_secondary_stat);  in core_alua_update_tpg_secondary_metadata()
1280 			lun->unpacked_lun);  in core_alua_update_tpg_secondary_metadata()
1286 	mutex_unlock(&lun->lun_tg_pt_md_mutex);  in core_alua_update_tpg_secondary_metadata()
1291 	struct se_lun *lun,  in core_alua_set_tg_pt_secondary_state()  argument
1298 	spin_lock(&lun->lun_tg_pt_gp_lock);  in core_alua_set_tg_pt_secondary_state()
1299 	tg_pt_gp = lun->lun_tg_pt_gp;  in core_alua_set_tg_pt_secondary_state()
1301 		spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_set_tg_pt_secondary_state()
1312 		atomic_set(&lun->lun_tg_pt_secondary_offline, 1);  in core_alua_set_tg_pt_secondary_state()
1314 		atomic_set(&lun->lun_tg_pt_secondary_offline, 0);  in core_alua_set_tg_pt_secondary_state()
1316 	lun->lun_tg_pt_secondary_stat = (explicit) ?  in core_alua_set_tg_pt_secondary_state()
1325 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_set_tg_pt_secondary_state()
1336 	if (lun->lun_tg_pt_secondary_write_md)  in core_alua_set_tg_pt_secondary_state()
1337 		core_alua_update_tpg_secondary_metadata(lun);  in core_alua_set_tg_pt_secondary_state()
1789 	struct se_lun *lun, *next;  in core_alua_free_tg_pt_gp()  local
1820 	list_for_each_entry_safe(lun, next,  in core_alua_free_tg_pt_gp()
1822 		list_del_init(&lun->lun_tg_pt_gp_link);  in core_alua_free_tg_pt_gp()
1831 		spin_lock(&lun->lun_tg_pt_gp_lock);  in core_alua_free_tg_pt_gp()
1833 			__target_attach_tg_pt_gp(lun,  in core_alua_free_tg_pt_gp()
1836 			lun->lun_tg_pt_gp = NULL;  in core_alua_free_tg_pt_gp()
1837 		spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_free_tg_pt_gp()
1879 static void __target_attach_tg_pt_gp(struct se_lun *lun,  in __target_attach_tg_pt_gp()  argument
1884 	assert_spin_locked(&lun->lun_tg_pt_gp_lock);  in __target_attach_tg_pt_gp()
1887 	lun->lun_tg_pt_gp = tg_pt_gp;  in __target_attach_tg_pt_gp()
1888 	list_add_tail(&lun->lun_tg_pt_gp_link, &tg_pt_gp->tg_pt_gp_lun_list);  in __target_attach_tg_pt_gp()
1890 	spin_lock(&lun->lun_deve_lock);  in __target_attach_tg_pt_gp()
1891 	list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link)  in __target_attach_tg_pt_gp()
1894 	spin_unlock(&lun->lun_deve_lock);  in __target_attach_tg_pt_gp()
1898 void target_attach_tg_pt_gp(struct se_lun *lun,  in target_attach_tg_pt_gp()  argument
1901 	spin_lock(&lun->lun_tg_pt_gp_lock);  in target_attach_tg_pt_gp()
1902 	__target_attach_tg_pt_gp(lun, tg_pt_gp);  in target_attach_tg_pt_gp()
1903 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in target_attach_tg_pt_gp()
1906 static void __target_detach_tg_pt_gp(struct se_lun *lun,  in __target_detach_tg_pt_gp()  argument
1909 	assert_spin_locked(&lun->lun_tg_pt_gp_lock);  in __target_detach_tg_pt_gp()
1912 	list_del_init(&lun->lun_tg_pt_gp_link);  in __target_detach_tg_pt_gp()
1916 	lun->lun_tg_pt_gp = NULL;  in __target_detach_tg_pt_gp()
1919 void target_detach_tg_pt_gp(struct se_lun *lun)  in target_detach_tg_pt_gp()  argument
1923 	spin_lock(&lun->lun_tg_pt_gp_lock);  in target_detach_tg_pt_gp()
1924 	tg_pt_gp = lun->lun_tg_pt_gp;  in target_detach_tg_pt_gp()
1926 		__target_detach_tg_pt_gp(lun, tg_pt_gp);  in target_detach_tg_pt_gp()
1927 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in target_detach_tg_pt_gp()
1930 ssize_t core_alua_show_tg_pt_gp_info(struct se_lun *lun, char *page)  in core_alua_show_tg_pt_gp_info()  argument
1936 	spin_lock(&lun->lun_tg_pt_gp_lock);  in core_alua_show_tg_pt_gp_info()
1937 	tg_pt_gp = lun->lun_tg_pt_gp;  in core_alua_show_tg_pt_gp_info()
1949 			atomic_read(&lun->lun_tg_pt_secondary_offline) ?  in core_alua_show_tg_pt_gp_info()
1951 			core_alua_dump_status(lun->lun_tg_pt_secondary_stat));  in core_alua_show_tg_pt_gp_info()
1953 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_show_tg_pt_gp_info()
1959 	struct se_lun *lun,  in core_alua_store_tg_pt_gp_info()  argument
1963 	struct se_portal_group *tpg = lun->lun_tpg;  in core_alua_store_tg_pt_gp_info()
1968 	struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);  in core_alua_store_tg_pt_gp_info()
1999 	spin_lock(&lun->lun_tg_pt_gp_lock);  in core_alua_store_tg_pt_gp_info()
2000 	tg_pt_gp = lun->lun_tg_pt_gp;  in core_alua_store_tg_pt_gp_info()
2013 				config_item_name(&lun->lun_group.cg_item),  in core_alua_store_tg_pt_gp_info()
2018 			__target_detach_tg_pt_gp(lun, tg_pt_gp);  in core_alua_store_tg_pt_gp_info()
2019 			__target_attach_tg_pt_gp(lun,  in core_alua_store_tg_pt_gp_info()
2021 			spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_store_tg_pt_gp_info()
2025 		__target_detach_tg_pt_gp(lun, tg_pt_gp);  in core_alua_store_tg_pt_gp_info()
2029 	__target_attach_tg_pt_gp(lun, tg_pt_gp_new);  in core_alua_store_tg_pt_gp_info()
2030 	spin_unlock(&lun->lun_tg_pt_gp_lock);  in core_alua_store_tg_pt_gp_info()
2035 		config_item_name(&lun->lun_group.cg_item),  in core_alua_store_tg_pt_gp_info()
2211 ssize_t core_alua_show_offline_bit(struct se_lun *lun, char *page)  in core_alua_show_offline_bit()  argument
2214 		atomic_read(&lun->lun_tg_pt_secondary_offline));  in core_alua_show_offline_bit()
2218 	struct se_lun *lun,  in core_alua_store_offline_bit()  argument
2226 	struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev);  in core_alua_store_offline_bit()
2245 	ret = core_alua_set_tg_pt_secondary_state(lun, 0, (int)tmp);  in core_alua_store_offline_bit()
2253 	struct se_lun *lun,  in core_alua_show_secondary_status()  argument
2256 	return sprintf(page, "%d\n", lun->lun_tg_pt_secondary_stat);  in core_alua_show_secondary_status()
2260 	struct se_lun *lun,  in core_alua_store_secondary_status()  argument
2279 	lun->lun_tg_pt_secondary_stat = (int)tmp;  in core_alua_store_secondary_status()
2285 	struct se_lun *lun,  in core_alua_show_secondary_write_metadata()  argument
2288 	return sprintf(page, "%d\n", lun->lun_tg_pt_secondary_write_md);  in core_alua_show_secondary_write_metadata()
2292 	struct se_lun *lun,  in core_alua_store_secondary_write_metadata()  argument
2309 	lun->lun_tg_pt_secondary_write_md = (int)tmp;  in core_alua_store_secondary_write_metadata()