29 	if (!nvme_multi_css(ctrl->subsys->passthru_ctrl))  in nvmet_passthrough_override_cap()
36 	struct nvme_ctrl *pctrl = ctrl->subsys->passthru_ctrl;  in nvmet_passthru_override_id_ctrl()
51 	id->ver = cpu_to_le32(ctrl->subsys->ver);  in nvmet_passthru_override_id_ctrl()
510 int nvmet_passthru_ctrl_enable(struct nvmet_subsys *subsys)  in nvmet_passthru_ctrl_enable()  argument
517 	mutex_lock(&subsys->lock);  in nvmet_passthru_ctrl_enable()
518 	if (!subsys->passthru_ctrl_path)  in nvmet_passthru_ctrl_enable()
520 	if (subsys->passthru_ctrl)  in nvmet_passthru_ctrl_enable()
523 	if (subsys->nr_namespaces) {  in nvmet_passthru_ctrl_enable()
528 	file = filp_open(subsys->passthru_ctrl_path, O_RDWR, 0);  in nvmet_passthru_ctrl_enable()
537 		       subsys->passthru_ctrl_path);  in nvmet_passthru_ctrl_enable()
543 			 subsys, GFP_KERNEL);  in nvmet_passthru_ctrl_enable()
552 	subsys->passthru_ctrl = ctrl;  in nvmet_passthru_ctrl_enable()
553 	subsys->ver = ctrl->vs;  in nvmet_passthru_ctrl_enable()
555 	if (subsys->ver < NVME_VS(1, 2, 1)) {  in nvmet_passthru_ctrl_enable()
557 			NVME_MAJOR(subsys->ver), NVME_MINOR(subsys->ver),  in nvmet_passthru_ctrl_enable()
558 			NVME_TERTIARY(subsys->ver));  in nvmet_passthru_ctrl_enable()
559 		subsys->ver = NVME_VS(1, 2, 1);  in nvmet_passthru_ctrl_enable()
562 	__module_get(subsys->passthru_ctrl->ops->module);  in nvmet_passthru_ctrl_enable()
568 	mutex_unlock(&subsys->lock);  in nvmet_passthru_ctrl_enable()
572 static void __nvmet_passthru_ctrl_disable(struct nvmet_subsys *subsys)  in __nvmet_passthru_ctrl_disable()  argument
574 	if (subsys->passthru_ctrl) {  in __nvmet_passthru_ctrl_disable()
575 		xa_erase(&passthru_subsystems, subsys->passthru_ctrl->cntlid);  in __nvmet_passthru_ctrl_disable()
576 		module_put(subsys->passthru_ctrl->ops->module);  in __nvmet_passthru_ctrl_disable()
577 		nvme_put_ctrl(subsys->passthru_ctrl);  in __nvmet_passthru_ctrl_disable()
579 	subsys->passthru_ctrl = NULL;  in __nvmet_passthru_ctrl_disable()
580 	subsys->ver = NVMET_DEFAULT_VS;  in __nvmet_passthru_ctrl_disable()
583 void nvmet_passthru_ctrl_disable(struct nvmet_subsys *subsys)  in nvmet_passthru_ctrl_disable()  argument
585 	mutex_lock(&subsys->lock);  in nvmet_passthru_ctrl_disable()
586 	__nvmet_passthru_ctrl_disable(subsys);  in nvmet_passthru_ctrl_disable()
587 	mutex_unlock(&subsys->lock);  in nvmet_passthru_ctrl_disable()
590 void nvmet_passthru_subsys_free(struct nvmet_subsys *subsys)  in nvmet_passthru_subsys_free()  argument
592 	mutex_lock(&subsys->lock);  in nvmet_passthru_subsys_free()
593 	__nvmet_passthru_ctrl_disable(subsys);  in nvmet_passthru_subsys_free()
594 	mutex_unlock(&subsys->lock);  in nvmet_passthru_subsys_free()
595 	kfree(subsys->passthru_ctrl_path);  in nvmet_passthru_subsys_free()