Commit 972ecb82 authored by Matan Barak's avatar Matan Barak Committed by Doug Ledford

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: default avatarMatan Barak <matanb@mellanox.com>
Reviewed-by: default avatarEli Cohen <eli@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 145d9c54
...@@ -757,6 +757,10 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq) ...@@ -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); 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, struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr, const struct ib_cq_init_attr *attr,
struct ib_ucontext *context, struct ib_ucontext *context,
...@@ -780,6 +784,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, ...@@ -780,6 +784,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
if (entries < 0) if (entries < 0)
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
if (attr->flags & ~CQ_CREATE_FLAGS_SUPPORTED)
return ERR_PTR(-EOPNOTSUPP);
entries = roundup_pow_of_two(entries + 1); entries = roundup_pow_of_two(entries + 1);
if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz))) if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz)))
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment