diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2014-02-23 14:19:07 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-03-07 11:26:49 -0800 |
| commit | e1e66cc26457c2e9412f67618646ec2a441fc409 (patch) | |
| tree | cc2b454307a07bf68242e7e7025e0bcf8d1b3c32 /drivers/infiniband/hw/mlx5 | |
| parent | 3121e3c441b5eccdd15e6c320ec32215b334b9ec (diff) | |
IB/mlx5: Initialize mlx5_ib_qp signature-related members
If user requested signature enable we initialize relevant mlx5_ib_qp
members. We mark the qp as sig_enable and we increase the effective
SQ size, but still limit the user max_send_wr to original size
computed. We also allow the create_qp routine to accept sig_enable
create flag.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 12 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 79c4f14c4d3e..e438f08899ae 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -189,6 +189,9 @@ struct mlx5_ib_qp { int create_type; u32 pa_lkey; + + /* Store signature errors */ + bool signature_en; }; struct mlx5_ib_cq_buf { diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7dfe8a1c84cf..01999f3744fb 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -256,8 +256,11 @@ static int calc_send_wqe(struct ib_qp_init_attr *attr) } size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg); - - return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); + if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN && + ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE) + return MLX5_SIG_WQE_SIZE; + else + return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB); } static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, @@ -284,6 +287,9 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr, sizeof(struct mlx5_wqe_inline_seg); attr->cap.max_inline_data = qp->max_inline_data; + if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN) + qp->signature_en = true; + wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size); qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB; if (qp->sq.wqe_cnt > dev->mdev.caps.max_wqes) { @@ -665,7 +671,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, int err; uuari = &dev->mdev.priv.uuari; - if (init_attr->create_flags) + if (init_attr->create_flags & ~IB_QP_CREATE_SIGNATURE_EN) return -EINVAL; if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) |