mlx4_uar_alloc
err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar);
err = mlx4_uar_alloc(dev, &ibdev->priv_uar);
err = mlx4_uar_alloc(dev, &mdev->priv_uar);
err = mlx4_uar_alloc(dev, &priv->driver_uar);
EXPORT_SYMBOL_GPL(mlx4_uar_alloc);
err = mlx4_uar_alloc(dev, uar);
int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);