mlx4_virt2phy_port_map
int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
ret = mlx4_virt2phy_port_map(dev, 1, 2);
err = mlx4_virt2phy_port_map(dev, port1, port2);