344 	struct nvmet_subsys *subsys = ns->subsys;  in nvmet_ns_device_path_store()  local
348 	mutex_lock(&subsys->lock);  in nvmet_ns_device_path_store()
364 	mutex_unlock(&subsys->lock);  in nvmet_ns_device_path_store()
368 	mutex_unlock(&subsys->lock);  in nvmet_ns_device_path_store()
391 	mutex_lock(&ns->subsys->lock);  in nvmet_ns_p2pmem_store()
408 	mutex_unlock(&ns->subsys->lock);  in nvmet_ns_p2pmem_store()
425 	struct nvmet_subsys *subsys = ns->subsys;  in nvmet_ns_device_uuid_store()  local
428 	mutex_lock(&subsys->lock);  in nvmet_ns_device_uuid_store()
438 	mutex_unlock(&subsys->lock);  in nvmet_ns_device_uuid_store()
453 	struct nvmet_subsys *subsys = ns->subsys;  in nvmet_ns_device_nguid_store()  local
459 	mutex_lock(&subsys->lock);  in nvmet_ns_device_nguid_store()
484 	mutex_unlock(&subsys->lock);  in nvmet_ns_device_nguid_store()
517 	nvmet_send_ana_event(ns->subsys, NULL);  in nvmet_ns_ana_grpid_store()
562 	mutex_lock(&ns->subsys->lock);  in nvmet_ns_buffered_io_store()
565 		mutex_unlock(&ns->subsys->lock);  in nvmet_ns_buffered_io_store()
570 	mutex_unlock(&ns->subsys->lock);  in nvmet_ns_buffered_io_store()
588 	mutex_lock(&ns->subsys->lock);  in nvmet_ns_revalidate_size_store()
591 		mutex_unlock(&ns->subsys->lock);  in nvmet_ns_revalidate_size_store()
595 		nvmet_ns_changed(ns->subsys, ns->nsid);  in nvmet_ns_revalidate_size_store()
596 	mutex_unlock(&ns->subsys->lock);  in nvmet_ns_revalidate_size_store()
636 	struct nvmet_subsys *subsys = namespaces_to_subsys(&group->cg_item);  in nvmet_ns_make()  local
652 	ns = nvmet_ns_alloc(subsys, nsid);  in nvmet_ns_make()
657 	pr_info("adding nsid %d to subsystem %s\n", nsid, subsys->subsysnqn);  in nvmet_ns_make()
678 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_device_path_show()  local
680 	return snprintf(page, PAGE_SIZE, "%s\n", subsys->passthru_ctrl_path);  in nvmet_passthru_device_path_show()
686 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_device_path_store()  local
690 	mutex_lock(&subsys->lock);  in nvmet_passthru_device_path_store()
693 	if (subsys->passthru_ctrl)  in nvmet_passthru_device_path_store()
701 	kfree(subsys->passthru_ctrl_path);  in nvmet_passthru_device_path_store()
703 	subsys->passthru_ctrl_path = kstrndup(page, len, GFP_KERNEL);  in nvmet_passthru_device_path_store()
704 	if (!subsys->passthru_ctrl_path)  in nvmet_passthru_device_path_store()
707 	mutex_unlock(&subsys->lock);  in nvmet_passthru_device_path_store()
711 	mutex_unlock(&subsys->lock);  in nvmet_passthru_device_path_store()
719 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_enable_show()  local
721 	return sprintf(page, "%d\n", subsys->passthru_ctrl ? 1 : 0);  in nvmet_passthru_enable_show()
727 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_enable_store()  local
735 		ret = nvmet_passthru_ctrl_enable(subsys);  in nvmet_passthru_enable_store()
737 		nvmet_passthru_ctrl_disable(subsys);  in nvmet_passthru_enable_store()
752 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_admin_timeout_store()  local
757 	subsys->admin_timeout = timeout;  in nvmet_passthru_admin_timeout_store()
771 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_io_timeout_store()  local
776 	subsys->io_timeout = timeout;  in nvmet_passthru_io_timeout_store()
790 	struct nvmet_subsys *subsys = to_subsys(item->ci_parent);  in nvmet_passthru_clear_ids_store()  local
795 	subsys->clear_ids = clear_ids;  in nvmet_passthru_clear_ids_store()
814 static void nvmet_add_passthru_group(struct nvmet_subsys *subsys)  in nvmet_add_passthru_group()  argument
816 	config_group_init_type_name(&subsys->passthru_group,  in nvmet_add_passthru_group()
818 	configfs_add_default_group(&subsys->passthru_group,  in nvmet_add_passthru_group()
819 				   &subsys->group);  in nvmet_add_passthru_group()
824 static void nvmet_add_passthru_group(struct nvmet_subsys *subsys)  in nvmet_add_passthru_group()  argument
834 	struct nvmet_subsys *subsys;  in nvmet_port_subsys_allow_link()  local
842 	subsys = to_subsys(target);  in nvmet_port_subsys_allow_link()
846 	link->subsys = subsys;  in nvmet_port_subsys_allow_link()
851 		if (p->subsys == subsys)  in nvmet_port_subsys_allow_link()
862 	nvmet_port_disc_changed(port, subsys);  in nvmet_port_subsys_allow_link()
877 	struct nvmet_subsys *subsys = to_subsys(target);  in nvmet_port_subsys_drop_link()  local
882 		if (p->subsys == subsys)  in nvmet_port_subsys_drop_link()
890 	nvmet_port_del_ctrls(port, subsys);  in nvmet_port_subsys_drop_link()
891 	nvmet_port_disc_changed(port, subsys);  in nvmet_port_subsys_drop_link()
912 	struct nvmet_subsys *subsys = to_subsys(parent->ci_parent);  in nvmet_allowed_hosts_allow_link()  local
930 	if (subsys->allow_any_host) {  in nvmet_allowed_hosts_allow_link()
936 	list_for_each_entry(p, &subsys->hosts, entry) {  in nvmet_allowed_hosts_allow_link()
940 	list_add_tail(&link->entry, &subsys->hosts);  in nvmet_allowed_hosts_allow_link()
941 	nvmet_subsys_disc_changed(subsys, host);  in nvmet_allowed_hosts_allow_link()
954 	struct nvmet_subsys *subsys = to_subsys(parent->ci_parent);  in nvmet_allowed_hosts_drop_link()  local
959 	list_for_each_entry(p, &subsys->hosts, entry) {  in nvmet_allowed_hosts_drop_link()
968 	nvmet_subsys_disc_changed(subsys, host);  in nvmet_allowed_hosts_drop_link()
994 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_allow_any_host_store()  local
1002 	if (allow_any_host && !list_empty(&subsys->hosts)) {  in nvmet_subsys_attr_allow_any_host_store()
1008 	if (subsys->allow_any_host != allow_any_host) {  in nvmet_subsys_attr_allow_any_host_store()
1009 		subsys->allow_any_host = allow_any_host;  in nvmet_subsys_attr_allow_any_host_store()
1010 		nvmet_subsys_disc_changed(subsys, NULL);  in nvmet_subsys_attr_allow_any_host_store()
1023 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_version_show()  local
1025 	if (NVME_TERTIARY(subsys->ver))  in nvmet_subsys_attr_version_show()
1027 				NVME_MAJOR(subsys->ver),  in nvmet_subsys_attr_version_show()
1028 				NVME_MINOR(subsys->ver),  in nvmet_subsys_attr_version_show()
1029 				NVME_TERTIARY(subsys->ver));  in nvmet_subsys_attr_version_show()
1032 			NVME_MAJOR(subsys->ver),  in nvmet_subsys_attr_version_show()
1033 			NVME_MINOR(subsys->ver));  in nvmet_subsys_attr_version_show()
1037 nvmet_subsys_attr_version_store_locked(struct nvmet_subsys *subsys,  in nvmet_subsys_attr_version_store_locked()  argument
1043 	if (subsys->subsys_discovered) {  in nvmet_subsys_attr_version_store_locked()
1044 		if (NVME_TERTIARY(subsys->ver))  in nvmet_subsys_attr_version_store_locked()
1046 			       NVME_MAJOR(subsys->ver),  in nvmet_subsys_attr_version_store_locked()
1047 			       NVME_MINOR(subsys->ver),  in nvmet_subsys_attr_version_store_locked()
1048 			       NVME_TERTIARY(subsys->ver));  in nvmet_subsys_attr_version_store_locked()
1051 			       NVME_MAJOR(subsys->ver),  in nvmet_subsys_attr_version_store_locked()
1052 			       NVME_MINOR(subsys->ver));  in nvmet_subsys_attr_version_store_locked()
1057 	if (nvmet_is_passthru_subsys(subsys))  in nvmet_subsys_attr_version_store_locked()
1064 	subsys->ver = NVME_VS(major, minor, tertiary);  in nvmet_subsys_attr_version_store_locked()
1072 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_version_store()  local
1076 	mutex_lock(&subsys->lock);  in nvmet_subsys_attr_version_store()
1077 	ret = nvmet_subsys_attr_version_store_locked(subsys, page, count);  in nvmet_subsys_attr_version_store()
1078 	mutex_unlock(&subsys->lock);  in nvmet_subsys_attr_version_store()
1094 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_serial_show()  local
1097 			NVMET_SN_MAX_SIZE, subsys->serial);  in nvmet_subsys_attr_serial_show()
1101 nvmet_subsys_attr_serial_store_locked(struct nvmet_subsys *subsys,  in nvmet_subsys_attr_serial_store_locked()  argument
1106 	if (subsys->subsys_discovered) {  in nvmet_subsys_attr_serial_store_locked()
1108 		       subsys->serial);  in nvmet_subsys_attr_serial_store_locked()
1125 	memcpy_and_pad(subsys->serial, NVMET_SN_MAX_SIZE, page, len, ' ');  in nvmet_subsys_attr_serial_store_locked()
1133 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_serial_store()  local
1137 	mutex_lock(&subsys->lock);  in nvmet_subsys_attr_serial_store()
1138 	ret = nvmet_subsys_attr_serial_store_locked(subsys, page, count);  in nvmet_subsys_attr_serial_store()
1139 	mutex_unlock(&subsys->lock);  in nvmet_subsys_attr_serial_store()
1209 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_model_show()  local
1211 	return snprintf(page, PAGE_SIZE, "%s\n", subsys->model_number);  in nvmet_subsys_attr_model_show()
1214 static ssize_t nvmet_subsys_attr_model_store_locked(struct nvmet_subsys *subsys,  in nvmet_subsys_attr_model_store_locked()  argument
1220 	if (subsys->subsys_discovered) {  in nvmet_subsys_attr_model_store_locked()
1222 		       subsys->model_number);  in nvmet_subsys_attr_model_store_locked()
1244 	kfree(subsys->model_number);  in nvmet_subsys_attr_model_store_locked()
1245 	subsys->model_number = val;  in nvmet_subsys_attr_model_store_locked()
1252 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_model_store()  local
1256 	mutex_lock(&subsys->lock);  in nvmet_subsys_attr_model_store()
1257 	ret = nvmet_subsys_attr_model_store_locked(subsys, page, count);  in nvmet_subsys_attr_model_store()
1258 	mutex_unlock(&subsys->lock);  in nvmet_subsys_attr_model_store()
1275 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_attr_pi_enable_store()  local
1281 	subsys->pi_support = pi_enable;  in nvmet_subsys_attr_pi_enable_store()
1330 	struct nvmet_subsys *subsys = to_subsys(item);  in nvmet_subsys_release()  local
1332 	nvmet_subsys_del_ctrls(subsys);  in nvmet_subsys_release()
1333 	nvmet_subsys_put(subsys);  in nvmet_subsys_release()
1349 	struct nvmet_subsys *subsys;  in nvmet_subsys_make()  local
1356 	subsys = nvmet_subsys_alloc(name, NVME_NQN_NVME);  in nvmet_subsys_make()
1357 	if (IS_ERR(subsys))  in nvmet_subsys_make()
1358 		return ERR_CAST(subsys);  in nvmet_subsys_make()
1360 	config_group_init_type_name(&subsys->group, name, &nvmet_subsys_type);  in nvmet_subsys_make()
1362 	config_group_init_type_name(&subsys->namespaces_group,  in nvmet_subsys_make()
1364 	configfs_add_default_group(&subsys->namespaces_group, &subsys->group);  in nvmet_subsys_make()
1366 	config_group_init_type_name(&subsys->allowed_hosts_group,  in nvmet_subsys_make()
1368 	configfs_add_default_group(&subsys->allowed_hosts_group,  in nvmet_subsys_make()
1369 			&subsys->group);  in nvmet_subsys_make()
1371 	nvmet_add_passthru_group(subsys);  in nvmet_subsys_make()
1373 	return &subsys->group;  in nvmet_subsys_make()