diff options
| author |   Matan Barak <matanb@mellanox.com> | 2015-12-15 20:30:09 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-12-23 23:23:02 -0500 |
| commit | 972ecb82137949be9649c7184782d00ff102a212 (patch) | |
| tree | 7a550f118072c62cdb10aca4acd2829da67d0081 /drivers/infiniband/hw/mlx5 | |
| parent | IB/core: Display extended counter set if available (diff) | |
| download | linux-dev-972ecb82137949be9649c7184782d00ff102a212.tar.xz linux-dev-972ecb82137949be9649c7184782d00ff102a212.zip | |
IB/mlx5: Add create_cq extended command
In order to create a CQ that supports timestamp, mlx5 needs to
support the extended create CQ command with the timestamp flag.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index db2270ad21b2..bc21ad8ebffd 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -757,6 +757,10 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq) mlx5_db_free(dev->mdev, &cq->db); } +enum { + CQ_CREATE_FLAGS_SUPPORTED = IB_CQ_FLAGS_TIMESTAMP_COMPLETION +}; + struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, const struct ib_cq_init_attr *attr, struct ib_ucontext *context, @@ -780,6 +784,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, if (entries < 0) return ERR_PTR(-EINVAL); + if (attr->flags & ~CQ_CREATE_FLAGS_SUPPORTED) + return ERR_PTR(-EOPNOTSUPP); + entries = roundup_pow_of_two(entries + 1); if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz))) return ERR_PTR(-EINVAL); |