IXGBE_GPIE
reg_val = IXGBE_READ_REG(hw, IXGBE_GPIE);
ixgbe_log(ixgbe, "..gpie: 0x%x\n", IXGBE_READ_REG(hw, IXGBE_GPIE));
uint32_t gpie = IXGBE_READ_REG(hw, IXGBE_GPIE);
IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie);