diff options
| author | Artemy Kovalyov <artemyko@mellanox.com> | 2017-08-17 14:52:11 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-29 14:30:20 +0200 |
| commit | 3fd3307ef34fc9f7198af9249c763cf7a4ac653f (patch) | |
| tree | 2efb0629bdd5256bdd8a0904d2f4d8cecbab985b /drivers/infiniband/hw/mlx5/srq.c | |
| parent | net/mlx5: Add XRQ support (diff) | |
| download | linux-3fd3307ef34fc9f7198af9249c763cf7a4ac653f.tar.xz linux-3fd3307ef34fc9f7198af9249c763cf7a4ac653f.zip | |
IB/mlx5: Support IB_SRQT_TM
Pass to mlx5_core flag to enable rendezvous offload, list_size and CQ
when SRQ created with IB_SRQT_TM.
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Yossi Itigin <yosefe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/srq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/srq.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c index e6be4f2927a7..6d5fadad9090 100644 --- a/drivers/infiniband/hw/mlx5/srq.c +++ b/drivers/infiniband/hw/mlx5/srq.c @@ -101,7 +101,7 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, udata->inlen - sizeof(ucmd))) return -EINVAL; - if (in->type == IB_SRQT_XRC) { + if (in->type != IB_SRQT_BASIC) { err = get_srq_user_index(to_mucontext(pd->uobject->context), &ucmd, udata->inlen, &uidx); if (err) @@ -145,7 +145,7 @@ static int create_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq, in->log_page_size = page_shift - MLX5_ADAPTER_PAGE_SHIFT; in->page_offset = offset; if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 && - in->type == IB_SRQT_XRC) + in->type != IB_SRQT_BASIC) in->user_index = uidx; return 0; @@ -205,7 +205,7 @@ static int create_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq, in->log_page_size = srq->buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT; if (MLX5_CAP_GEN(dev->mdev, cqe_version) == MLX5_CQE_VERSION_V1 && - in->type == IB_SRQT_XRC) + in->type != IB_SRQT_BASIC) in->user_index = MLX5_IB_DEFAULT_UIDX; return 0; @@ -298,6 +298,18 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd, else in.xrcd = to_mxrcd(dev->devr.x0)->xrcdn; + if (init_attr->srq_type == IB_SRQT_TM) { + in.tm_log_list_size = + ilog2(init_attr->ext.tag_matching.max_num_tags) + 1; + if (in.tm_log_list_size > + MLX5_CAP_GEN(dev->mdev, log_tag_matching_list_sz)) { + mlx5_ib_dbg(dev, "TM SRQ max_num_tags exceeding limit\n"); + err = -EINVAL; + goto err_usr_kern_srq; + } + in.flags |= MLX5_SRQ_FLAG_RNDV; + } + if (ib_srq_has_cq(init_attr->srq_type)) in.cqn = to_mcq(init_attr->ext.cq)->mcq.cqn; else |