def set_vif_host_backend_hostdev_pci_config(conf, pci_slot):
 (conf.domain, conf.bus, conf.slot, conf.function) = pci_utils.get_pci_address_fields(pci_slot)

def set_vif_host_backend_hostdev_pci_config ( conf , pci_slot ) : ( conf . domain , conf . bus , conf . slot , conf . function ) = pci_utils . get_pci_address_fields ( pci_slot )
populate a libvirtconfigguesthostdev instance with pci address data .