READ_BAR1
if (READ_BAR1(sc, VMXNET3_BAR1_CMD)) {
ver = READ_BAR1(sc, VMXNET3_BAR1_VRRS);
ver = READ_BAR1(sc, VMXNET3_BAR1_UVRS);
intrcfg = READ_BAR1(sc, VMXNET3_BAR1_CMD);
macl = READ_BAR1(sc, VMXNET3_BAR1_CMD);
mach = READ_BAR1(sc, VMXNET3_BAR1_CMD);
x = READ_BAR1(sc, VMXNET3_BAR1_CMD);
if (READ_BAR1(sc, VMXNET3_BAR1_INTR) == 0)