83 void usb_bus_new(USBBus *bus, size_t bus_size,  in usb_bus_new()  argument
86     qbus_init(bus, bus_size, TYPE_USB_BUS, host, NULL);  in usb_bus_new()
87     qbus_set_bus_hotplug_handler(BUS(bus));  in usb_bus_new()
88     bus->ops = ops;  in usb_bus_new()
89     bus->busnr = next_usb_bus++;  in usb_bus_new()
90     QTAILQ_INIT(&bus->free);  in usb_bus_new()
91     QTAILQ_INIT(&bus->used);  in usb_bus_new()
92     QTAILQ_INSERT_TAIL(&busses, bus, next);  in usb_bus_new()
95 void usb_bus_release(USBBus *bus)  in usb_bus_release()  argument
99     QTAILQ_REMOVE(&busses, bus, next);  in usb_bus_release()
329 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,  in usb_register_port()  argument
333     QTAILQ_INSERT_TAIL(&bus->free, port, next);  in usb_register_port()
334     bus->nfree++;  in usb_register_port()
342     USBBus *bus;  in usb_register_companion()  local
345     QTAILQ_FOREACH(bus, &busses, next) {  in usb_register_companion()
346         if (strcmp(bus->qbus.name, masterbus) == 0) {  in usb_register_companion()
351     if (!bus) {  in usb_register_companion()
355     if (!bus->ops->register_companion) {  in usb_register_companion()
366     bus->ops->register_companion(bus, ports, portcount, firstport, errp);  in usb_register_companion()
383 void usb_unregister_port(USBBus *bus, USBPort *port)  in usb_unregister_port()  argument
388     QTAILQ_REMOVE(&bus->free, port, next);  in usb_unregister_port()
389     bus->nfree--;  in usb_unregister_port()
394     USBBus *bus = usb_bus_from_device(dev);  in usb_claim_port()  local
401         QTAILQ_FOREACH(port, &bus->free, next) {  in usb_claim_port()
408                        dev->port_path, bus->qbus.name);  in usb_claim_port()
412         if (bus->nfree == 1 && strcmp(object_get_typename(OBJECT(dev)), "usb-hub") != 0) {  in usb_claim_port()
416                 usb_realize_and_unref(hub, bus, NULL);  in usb_claim_port()
419         if (bus->nfree == 0) {  in usb_claim_port()
424         port = QTAILQ_FIRST(&bus->free);  in usb_claim_port()
426     trace_usb_port_claim(bus->busnr, port->path);  in usb_claim_port()
428     QTAILQ_REMOVE(&bus->free, port, next);  in usb_claim_port()
429     bus->nfree--;  in usb_claim_port()
434     QTAILQ_INSERT_TAIL(&bus->used, port, next);  in usb_claim_port()
435     bus->nused++;  in usb_claim_port()
440     USBBus *bus = usb_bus_from_device(dev);  in usb_release_port()  local
444     trace_usb_port_release(bus->busnr, port->path);  in usb_release_port()
446     QTAILQ_REMOVE(&bus->used, port, next);  in usb_release_port()
447     bus->nused--;  in usb_release_port()
452     QTAILQ_INSERT_TAIL(&bus->free, port, next);  in usb_release_port()
453     bus->nfree++;  in usb_release_port()
484     USBBus *bus = usb_bus_from_device(dev);  in usb_check_attach()  local
492     trace_usb_port_attach(bus->busnr, port->path,  in usb_check_attach()
500                    bus->qbus.name, port->path, portspeed);  in usb_check_attach()
522     USBBus *bus = usb_bus_from_device(dev);  in usb_device_detach()  local
527     trace_usb_port_detach(bus->busnr, port->path);  in usb_device_detach()
550     USBBus *bus = usb_bus_from_device(dev);  in usb_bus_dev_print()  local
553                    indent, "", bus->busnr, dev->addr,  in usb_bus_dev_print()
603     USBBus *bus;  in qmp_x_query_usb()  local
612     QTAILQ_FOREACH(bus, &busses, next) {  in qmp_x_query_usb()
613         QTAILQ_FOREACH(port, &bus->used, next) {  in qmp_x_query_usb()
620                                    bus->busnr, dev->addr, port->path,  in qmp_x_query_usb()
633     USBBus *bus = QTAILQ_FIRST(&busses);  in usbdevice_create()  local
658     if (!bus) {  in usbdevice_create()
671     if (!usb_realize_and_unref(dev, bus, &err)) {  in usbdevice_create()