108 	struct tb_xdomain *xd;  in tb_scan_xdomain()  local
112 	xd = tb_xdomain_find_by_route(tb, route);  in tb_scan_xdomain()
113 	if (xd) {  in tb_scan_xdomain()
114 		tb_xdomain_put(xd);  in tb_scan_xdomain()
118 	xd = tb_xdomain_alloc(tb, &sw->dev, route, tb->root_switch->uuid,  in tb_scan_xdomain()
120 	if (xd) {  in tb_scan_xdomain()
121 		tb_port_at(route, sw)->xdomain = xd;  in tb_scan_xdomain()
122 		tb_xdomain_add(xd);  in tb_scan_xdomain()
163 			 * Only scan on the primary port (link_nr == 0).  in tb_scan_port()
165 	if (tb_wait_for_port(port, false) <= 0)  in tb_scan_port()
236 			return 0;  in tb_free_tunnel()
369 		return 0;  in tb_tunnel_dp()
374 			return 0;  in tb_tunnel_dp()
391 	return 0;  in tb_tunnel_dp()
408 		return 0;  in tb_tunnel_pci()
418 		return 0;  in tb_tunnel_pci()
432 	return 0;  in tb_tunnel_pci()
435 static int tb_approve_xdomain_paths(struct tb *tb, struct tb_xdomain *xd)  in tb_approve_xdomain_paths()  argument
442 	sw = tb_to_switch(xd->dev.parent);  in tb_approve_xdomain_paths()
443 	dst_port = tb_port_at(xd->route, sw);  in tb_approve_xdomain_paths()
447 	tunnel = tb_tunnel_alloc_dma(tb, nhi_port, dst_port, xd->transmit_ring,  in tb_approve_xdomain_paths()
448 				     xd->transmit_path, xd->receive_ring,  in tb_approve_xdomain_paths()
449 				     xd->receive_path);  in tb_approve_xdomain_paths()
465 	return 0;  in tb_approve_xdomain_paths()
468 static void __tb_disconnect_xdomain_paths(struct tb *tb, struct tb_xdomain *xd)  in __tb_disconnect_xdomain_paths()  argument
473 	sw = tb_to_switch(xd->dev.parent);  in __tb_disconnect_xdomain_paths()
474 	dst_port = tb_port_at(xd->route, sw);  in __tb_disconnect_xdomain_paths()
484 static int tb_disconnect_xdomain_paths(struct tb *tb, struct tb_xdomain *xd)  in tb_disconnect_xdomain_paths()  argument
486 	if (!xd->is_unplugged) {  in tb_disconnect_xdomain_paths()
488 		__tb_disconnect_xdomain_paths(tb, xd);  in tb_disconnect_xdomain_paths()
491 	return 0;  in tb_disconnect_xdomain_paths()
541 			struct tb_xdomain *xd = tb_xdomain_get(port->xdomain);  in tb_handle_hotplug()  local
551 			xd->is_unplugged = true;  in tb_handle_hotplug()
552 			tb_xdomain_remove(xd);  in tb_handle_hotplug()
554 			__tb_disconnect_xdomain_paths(tb, xd);  in tb_handle_hotplug()
555 			tb_xdomain_put(xd);  in tb_handle_hotplug()
648 	return 0;  in tb_scan_finalize_switch()
656 	tb->root_switch = tb_switch_alloc(tb, &tb->dev, 0);  in tb_start()
690 	return 0;  in tb_start()
702 	return 0;  in tb_suspend_noirq()
713 	tb_switch_reset(tb, 0);  in tb_resume_noirq()
732 	return 0;  in tb_resume_noirq()
737 	int i, ret = 0;  in tb_free_unplugged_xdomains()