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authorLeon Romanovsky <leonro@mellanox.com>2018-11-28 20:53:41 +0200
committerLeon Romanovsky <leonro@mellanox.com>2018-12-04 09:25:50 +0200
commitf3da6577da67a3cd44610ca54e308c6838c92157 (patch)
treefe04b9c15ce412f2ee1c273eb229a0a655d0dfb4 /drivers/infiniband/hw/mlx5/srq.h
parentb4990804e1a46321806df6b56e3f04f1803a03d9 (diff)
downloadlinux-f3da6577da67a3cd44610ca54e308c6838c92157.tar.bz2
RDMA/mlx5: Initialize SRQ tables on mlx5_ib
Transfer initialization and cleanup from mlx5_priv struct of mlx5_core_dev to be part of mlx5_ib_dev. This completes removal of SRQ from mlx5_core. Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/srq.h')
-rw-r--r--drivers/infiniband/hw/mlx5/srq.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/srq.h b/drivers/infiniband/hw/mlx5/srq.h
index 1110aeaa775e..75eb5839ae95 100644
--- a/drivers/infiniband/hw/mlx5/srq.h
+++ b/drivers/infiniband/hw/mlx5/srq.h
@@ -37,6 +37,28 @@ struct mlx5_srq_attr {
struct mlx5_ib_dev;
+struct mlx5_core_srq {
+ struct mlx5_core_rsc_common common; /* must be first */
+ u32 srqn;
+ int max;
+ size_t max_gs;
+ size_t max_avail_gather;
+ int wqe_shift;
+ void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e);
+
+ atomic_t refcount;
+ struct completion free;
+ u16 uid;
+};
+
+struct mlx5_srq_table {
+ struct notifier_block nb;
+ /* protect radix tree
+ */
+ spinlock_t lock;
+ struct radix_tree_root tree;
+};
+
int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in);
int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
@@ -45,4 +67,7 @@ int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
u16 lwm, int is_srq);
struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
+
+int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
+void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
#endif /* MLX5_IB_SRQ_H */