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author | Saeed Mahameed | 2018-02-01 13:28:17 +0100 |
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committer | Saeed Mahameed | 2018-02-15 09:30:00 +0100 |
commit | d5c07157dd4f5ab9123eaab7db572ca360c19a55 (patch) | |
tree | 50946aadcd5e581e55784f1ab4e9bca424ac762e /drivers/net/ethernet/mellanox/mlx5/core/eq.c | |
parent | net/mlx5: Add missing likely/unlikely hints to cq events (diff) | |
download | kernel-qcow2-linux-d5c07157dd4f5ab9123eaab7db572ca360c19a55.tar.gz kernel-qcow2-linux-d5c07157dd4f5ab9123eaab7db572ca360c19a55.tar.xz kernel-qcow2-linux-d5c07157dd4f5ab9123eaab7db572ca360c19a55.zip |
net/mlx5: EQ add/del CQ API
Add API to add/del CQ to/from EQs CQ table to be used in cq.c upon CQ
creation/destruction, as CQ table is now private to eq.c.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Gal Pressman <galp@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eq.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eq.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 328403ebf2f5..c1f0468e95bd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -704,6 +704,40 @@ int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq) } EXPORT_SYMBOL_GPL(mlx5_destroy_unmap_eq); +int mlx5_eq_add_cq(struct mlx5_eq *eq, struct mlx5_core_cq *cq) +{ + struct mlx5_cq_table *table = &eq->cq_table; + int err; + + spin_lock_irq(&table->lock); + err = radix_tree_insert(&table->tree, cq->cqn, cq); + spin_unlock_irq(&table->lock); + + return err; +} + +int mlx5_eq_del_cq(struct mlx5_eq *eq, struct mlx5_core_cq *cq) +{ + struct mlx5_cq_table *table = &eq->cq_table; + struct mlx5_core_cq *tmp; + + spin_lock_irq(&table->lock); + tmp = radix_tree_delete(&table->tree, cq->cqn); + spin_unlock_irq(&table->lock); + + if (!tmp) { + mlx5_core_warn(eq->dev, "cq 0x%x not found in eq 0x%x tree\n", eq->eqn, cq->cqn); + return -ENOENT; + } + + if (tmp != cq) { + mlx5_core_warn(eq->dev, "corruption on cqn 0x%x in eq 0x%x\n", eq->eqn, cq->cqn); + return -EINVAL; + } + + return 0; +} + int mlx5_eq_init(struct mlx5_core_dev *dev) { int err; |