MLX5_QP_FLAG_UAR_PAGE_INDEX
process_vendor_flag(dev, &flags, MLX5_QP_FLAG_UAR_PAGE_INDEX, true, qp);
(MLX5_QP_FLAG_UAR_PAGE_INDEX | MLX5_QP_FLAG_BFREG_INDEX);
case MLX5_QP_FLAG_UAR_PAGE_INDEX: