rdma_readl
reg = rdma_readl(priv, RDMA_CONTROL);
reg = rdma_readl(priv, RDMA_STATUS);
reg = rdma_readl(priv, RDMA_STATUS);
reg = rdma_readl(priv, RDMA_STATUS);
val = rdma_readl(priv, s->reg_offset);
reg = rdma_readl(priv, RDMA_MBDONE_INTR);
reg = rdma_readl(priv, RDMA_MBDONE_INTR);
p_index = rdma_readl(priv, RDMA_PROD_INDEX);
p_index = rdma_readl(priv, RDMA_CONS_INDEX);