diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2015-07-28 01:10:01 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-08-29 05:02:10 +0200 |
| commit | 18ebd40773bf500054a5e079e71cd13aafd1b6eb (patch) | |
| tree | bef0ee616295773f124c08be71badb2e790e09c7 | |
| parent | staging/hfi1: replace indent spaces with tabs (diff) | |
| download | linux-18ebd40773bf500054a5e079e71cd13aafd1b6eb.tar.xz linux-18ebd40773bf500054a5e079e71cd13aafd1b6eb.zip | |
mlx4, mlx5, mthca: Expose max_sge_rd correctly
Applications must not assume that max_sge and max_sge_rd are the same,
Hence expose max_sge_rd correctly as well.
Reported-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 1 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 8be6db816460..05166b7d8ca7 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -229,6 +229,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->max_qp_wr = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE; props->max_sge = min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg); + props->max_sge_rd = props->max_sge; props->max_cq = dev->dev->quotas.cq; props->max_cqe = dev->dev->caps.max_cqes; props->max_mr = dev->dev->quotas.mpt; diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 1ece3a7debd5..bac5f98965d0 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -274,6 +274,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, sizeof(struct mlx5_wqe_ctrl_seg)) / sizeof(struct mlx5_wqe_data_seg); props->max_sge = min(max_rq_sg, max_sq_sg); + props->max_sge_rd = props->max_sge; props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_eq_sz)) - 1; props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 93ae51dcf2ff..dc2d48c59e62 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -97,6 +97,7 @@ static int mthca_query_device(struct ib_device *ibdev, struct ib_device_attr *pr props->max_qp = mdev->limits.num_qps - mdev->limits.reserved_qps; props->max_qp_wr = mdev->limits.max_wqes; props->max_sge = mdev->limits.max_sg; + props->max_sge_rd = props->max_sge; props->max_cq = mdev->limits.num_cqs - mdev->limits.reserved_cqs; props->max_cqe = mdev->limits.max_cqes; props->max_mr = mdev->limits.num_mpts - mdev->limits.reserved_mrws; |