PCI_RID
*rid = PCI_RID(pci_get_bus(l), 0, 0);
*id = (PCI_RID(bus, slot, func));
*id = (PCI_RID(bus, slot, func));
*rid = PCI_RID(devscope->Bus,
*rid = PCI_RID(busno, path->Device, path->Function);