mlx5r_umr_update_mr_pas
err = mlx5r_umr_update_mr_pas(mr, upd_flags, to_mpd(pd)->pdn);
err = mlx5r_umr_update_mr_pas(mr, MLX5_IB_UPD_XLT_ENABLE,
mlx5r_umr_update_mr_pas(mr, MLX5_IB_UPD_XLT_ZAP, 0);
err = mlx5r_umr_update_mr_pas(mr, xlt_flags,
int mlx5r_umr_update_mr_pas(struct mlx5_ib_mr *mr, unsigned int flags, u32 pdn);