mlx5_cmd_uar_alloc
int mlx5_cmd_uar_alloc(struct mlx5_core_dev *dev, u32 *uarn, u16 uid);
err = mlx5_cmd_uar_alloc(dev->mdev, &bfregi->sys_pages[i],
err = mlx5_cmd_uar_alloc(dev->mdev, &uar_index,
err = mlx5_cmd_uar_alloc(dev->mdev, &uar_index, c->devx_uid);