CV_SMB_CTRL
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL,
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
hw->phy.ops.read_reg_locked(hw, CV_SMB_CTRL, &phy_reg);
hw->phy.ops.write_reg_locked(hw, CV_SMB_CTRL, phy_reg);