pcibar_type
enum pcibar_type type;
pci_emul_alloc_bar(struct pci_devinst *pdi, int idx, enum pcibar_type type,
const enum pcibar_type type, const uint64_t size)
enum pcibar_type type; /* io or memory */
enum pcibar_type type, uint64_t size);
passthru_get_bar(struct passthru_softc *sc, int bar, enum pcibar_type *type,
enum pcibar_type bartype;