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path: root/drivers/infiniband/hw/mlx4/qp.c
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-rw-r--r--drivers/infiniband/hw/mlx4/qp.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index f2b2a61898f8..0067f4b4dc09 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -112,6 +112,7 @@ static const __be32 mlx4_ib_opcode[] = {
[IB_WR_SEND_WITH_INV] = cpu_to_be32(MLX4_OPCODE_SEND_INVAL),
[IB_WR_LOCAL_INV] = cpu_to_be32(MLX4_OPCODE_LOCAL_INVAL),
[IB_WR_FAST_REG_MR] = cpu_to_be32(MLX4_OPCODE_FMR),
+ [IB_WR_REG_MR] = cpu_to_be32(MLX4_OPCODE_FMR),
[IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = cpu_to_be32(MLX4_OPCODE_MASKED_ATOMIC_CS),
[IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = cpu_to_be32(MLX4_OPCODE_MASKED_ATOMIC_FA),
[IB_WR_BIND_MW] = cpu_to_be32(MLX4_OPCODE_BIND_MW),
@@ -2505,6 +2506,22 @@ static __be32 convert_access(int acc)
cpu_to_be32(MLX4_WQE_FMR_PERM_LOCAL_READ);
}
+static void set_reg_seg(struct mlx4_wqe_fmr_seg *fseg,
+ struct ib_reg_wr *wr)
+{
+ struct mlx4_ib_mr *mr = to_mmr(wr->mr);
+
+ fseg->flags = convert_access(wr->access);
+ fseg->mem_key = cpu_to_be32(wr->key);
+ fseg->buf_list = cpu_to_be64(mr->page_map);
+ fseg->start_addr = cpu_to_be64(mr->ibmr.iova);
+ fseg->reg_len = cpu_to_be64(mr->ibmr.length);
+ fseg->offset = 0; /* XXX -- is this just for ZBVA? */
+ fseg->page_size = cpu_to_be32(ilog2(mr->ibmr.page_size));
+ fseg->reserved[0] = 0;
+ fseg->reserved[1] = 0;
+}
+
static void set_fmr_seg(struct mlx4_wqe_fmr_seg *fseg,
struct ib_fast_reg_wr *wr)
{
@@ -2866,6 +2883,14 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
size += sizeof (struct mlx4_wqe_fmr_seg) / 16;
break;
+ case IB_WR_REG_MR:
+ ctrl->srcrb_flags |=
+ cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);
+ set_reg_seg(wqe, reg_wr(wr));
+ wqe += sizeof(struct mlx4_wqe_fmr_seg);
+ size += sizeof(struct mlx4_wqe_fmr_seg) / 16;
+ break;
+
case IB_WR_BIND_MW:
ctrl->srcrb_flags |=
cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);