pci_device_foreach
pci_device_foreach(sc, pc, maxbus, pciaddr_resource_reserve);
pci_device_foreach(sc, pc, maxbus, pciaddr_resource_reserve_disabled);
pci_device_foreach(sc, pc, maxbus, pciaddr_resource_allocate);
void pci_device_foreach(struct pcibios_softc *, pci_chipset_tag_t, int,