mlx4_SET_PORT
err = mlx4_SET_PORT(dev, port, -1);
err = mlx4_SET_PORT(mdev, port, -1);
err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ?
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);