From 65541cb7cf353946ecd78016a453b453b8830656 Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Thu, 21 Jun 2007 13:03:11 +0300 Subject: IB/mlx4: Implement query SRQ Signed-off-by: Dotan Barak Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mlx4/main.c | 2 ++ drivers/infiniband/hw/mlx4/mlx4_ib.h | 1 + drivers/infiniband/hw/mlx4/srq.c | 18 ++++++++++++++++++ 3 files changed, 21 insertions(+) (limited to 'drivers/infiniband') diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 6b9870a50bea..dde8fe9af47e 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -529,6 +529,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | + (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); ibdev->ib_dev.query_device = mlx4_ib_query_device; @@ -547,6 +548,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; ibdev->ib_dev.create_srq = mlx4_ib_create_srq; ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; + ibdev->ib_dev.query_srq = mlx4_ib_query_srq; ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; ibdev->ib_dev.create_qp = mlx4_ib_create_qp; diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index d6dc57c5ccca..705ff2fa237e 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -256,6 +256,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, struct ib_udata *udata); int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); +int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); int mlx4_ib_destroy_srq(struct ib_srq *srq); void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index 12fac1c8989d..408748fb5285 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -240,6 +240,24 @@ int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, return 0; } +int mlx4_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) +{ + struct mlx4_ib_dev *dev = to_mdev(ibsrq->device); + struct mlx4_ib_srq *srq = to_msrq(ibsrq); + int ret; + int limit_watermark; + + ret = mlx4_srq_query(dev->dev, &srq->msrq, &limit_watermark); + if (ret) + return ret; + + srq_attr->srq_limit = be16_to_cpu(limit_watermark); + srq_attr->max_wr = srq->msrq.max - 1; + srq_attr->max_sge = srq->msrq.max_gs; + + return 0; +} + int mlx4_ib_destroy_srq(struct ib_srq *srq) { struct mlx4_ib_dev *dev = to_mdev(srq->device); -- cgit v1.2.1