PCIE_ADDR_OFFSET
return HREAD4(sc, PCIE_ADDR_OFFSET(bus, dev, fn, reg & ~0x3));
HWRITE4(sc, PCIE_ADDR_OFFSET(bus, dev, fn, reg & ~0x3), data);
return HREAD4(sc, PCIE_ADDR_OFFSET(bus, dev, fn, reg & ~0x3));
HWRITE4(sc, PCIE_ADDR_OFFSET(bus, dev, fn, reg & ~0x3), data);