gtpci_conf_hook
.pc_conf_hook = gtpci_conf_hook,
return gtpci_conf_hook(sc->sc_pc, bus, dev, func, id);
if (gtpci_conf_hook(sc->sc_pc, bus, dev, func, id) == 0)
int gtpci_conf_hook(void *, int, int, int, pcireg_t);