Hi, > + case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI: > + return 4; That one is configurable via "ports=...": <controller type='usb' index='3' model='nec-xhci' ports='8'> cheers, Gerd -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list