diff options
| author | Saeed Mahameed <saeedm@mellanox.com> | 2018-02-01 03:32:00 -0800 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-02-15 00:30:01 -0800 |
| commit | f105b45bf77ced96e516e1cd771c41bb7e8c830b (patch) | |
| tree | bc86d8533f9f0ffc3187d7bf13565610f2e3f15e /include | |
| parent | d5c07157dd4f5ab9123eaab7db572ca360c19a55 (diff) | |
net/mlx5: CQ hold/put API
Now as the CQ table is per EQ, add an API to hold/put CQ to be used from
eq.c in downstream patch.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Gal Pressman <galp@mellanox.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mlx5/cq.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index 06ba425a6ad7..445ad194e0fe 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -172,6 +172,17 @@ static inline void mlx5_cq_arm(struct mlx5_core_cq *cq, u32 cmd, mlx5_write64(doorbell, uar_page + MLX5_CQ_DOORBELL, NULL); } +static inline void mlx5_cq_hold(struct mlx5_core_cq *cq) +{ + refcount_inc(&cq->refcount); +} + +static inline void mlx5_cq_put(struct mlx5_core_cq *cq) +{ + if (refcount_dec_and_test(&cq->refcount)) + complete(&cq->free); +} + int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u32 *in, int inlen); int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq); |