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authorJack Morgenstein <jackm@dev.mellanox.co.il>2007-06-21 13:03:11 +0300
committerRoland Dreier <rolandd@cisco.com>2007-07-12 15:41:24 -0700
commit65541cb7cf353946ecd78016a453b453b8830656 (patch)
tree0a93ed27fdb6caf3f90250eaaf179b560e6742f3 /drivers/infiniband
parent6a775e2ba4f7635849ade628e64723ab2beef0bc (diff)
downloadop-kernel-dev-65541cb7cf353946ecd78016a453b453b8830656.zip
op-kernel-dev-65541cb7cf353946ecd78016a453b453b8830656.tar.gz
IB/mlx4: Implement query SRQ
Signed-off-by: Dotan Barak <dotanb@mellanox.co.il> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c2
-rw-r--r--drivers/infiniband/hw/mlx4/mlx4_ib.h1
-rw-r--r--drivers/infiniband/hw/mlx4/srq.c18
3 files changed, 21 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 6b9870a..dde8fe9 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 d6dc57c..705ff2f 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 12fac1c..408748f 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);
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