Function mptable_hostb_alloc_resource

freebsd/x86/x86/mptable_pci.c:103–142

}

static struct resource *
mptable_hostb_alloc_resource(device_t dev, device_t child, int type, int *rid,
    rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
	struct mptable_hostb_softc *sc;

#ifdef PCI_RES_BUS
	if (type == PCI_RES_BUS)
		return (pci_domain_alloc_bus(0, child, rid, start, end, count,
		    flags));
#endif
	sc = device_get_softc(dev);
	if (type == SYS_RES_IOPORT && start + count - 1 == end) {
		if (mptable_is_isa_range(start, end)) {
			switch (sc->sc_decodes_isa_io) {
			case -1:
				return (NULL);
			case 1:
				return (bus_generic_alloc_resource(dev, child,
				    type, rid, start, end, count, flags));
			default:
				break;
			}
		}
		if (mptable_is_vga_range(start, end)) {
			switch (sc->sc_decodes_vga_io) {
			case -1:
				return (NULL);
			case 1:
				return (bus_generic_alloc_resource(dev, child,
				    type, rid, start, end, count, flags));
			default:
				break;
			}
		}
	}
	start = hostb_alloc_start(type, start, end, count);
	return (pcib_host_res_alloc(&sc->sc_host_res, child, type, rid, start,
	    end, count, flags));
}

static int
mptable_hostb_adjust_resource(device_t dev, device_t child, int type,