diff options
author | Yuval Avnery <yuvalav@mellanox.com> | 2019-06-10 23:38:34 +0000 |
---|---|---|
committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-06-13 10:59:49 -0700 |
commit | bfb49549ea7993f49c0374295d84a0c7772102a2 (patch) | |
tree | a3bab356df42c997be3fd134f1c124d145d05f3d | |
parent | net/mlx5: Separate IRQ table creation from EQ table creation (diff) | |
download | linux-dev-bfb49549ea7993f49c0374295d84a0c7772102a2.tar.xz linux-dev-bfb49549ea7993f49c0374295d84a0c7772102a2.zip |
net/mlx5: Generalize IRQ interface to work with irq_table
IRQ interface should operate within the irq_table context.
It should be independent of any EQ data structure.
The interface that will be exposed:
init/clenup, create/destroy, attach/detach
Signed-off-by: Yuval Avnery <yuvalav@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eq.c | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index daf9bc3155cc..80a436b5034a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -143,16 +143,22 @@ static struct mlx5_irq_info *mlx5_irq_get(struct mlx5_core_dev *dev, int vecidx) return &irq_table->irq_info[vecidx]; } -static int mlx5_irq_attach_nb(struct mlx5_irq_info *irq, +static int mlx5_irq_attach_nb(struct mlx5_irq_table *irq_table, int vecidx, struct notifier_block *nb) { - return atomic_notifier_chain_register(&irq->nh, nb); + struct mlx5_irq_info *irq_info; + + irq_info = &irq_table->irq_info[vecidx]; + return atomic_notifier_chain_register(&irq_info->nh, nb); } -static int mlx5_irq_detach_nb(struct mlx5_irq_info *irq, +static int mlx5_irq_detach_nb(struct mlx5_irq_table *irq_table, int vecidx, struct notifier_block *nb) { - return atomic_notifier_chain_unregister(&irq->nh, nb); + struct mlx5_irq_info *irq_info; + + irq_info = &irq_table->irq_info[vecidx]; + return atomic_notifier_chain_unregister(&irq_info->nh, nb); } static irqreturn_t mlx5_irq_int_handler(int irq, void *nh) @@ -465,7 +471,8 @@ create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, eq->doorbell = priv->uar->map + MLX5_EQ_DOORBEL_OFFSET; eq->irq_nb = param->nb; - err = mlx5_irq_attach_nb(mlx5_irq_get(dev, vecidx), param->nb); + err = mlx5_irq_attach_nb(dev->priv.eq_table->irq_table, vecidx, + param->nb); if (err) goto err_eq; @@ -481,7 +488,7 @@ create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, return 0; err_detach: - mlx5_irq_detach_nb(mlx5_irq_get(dev, vecidx), eq->irq_nb); + mlx5_irq_detach_nb(dev->priv.eq_table->irq_table, vecidx, eq->irq_nb); err_eq: mlx5_cmd_destroy_eq(dev, eq->eqn); @@ -500,7 +507,8 @@ static int destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq) mlx5_debug_eq_remove(dev, eq); - err = mlx5_irq_detach_nb(mlx5_irq_get(dev, eq->vecidx), eq->irq_nb); + err = mlx5_irq_detach_nb(dev->priv.eq_table->irq_table, + eq->vecidx, eq->irq_nb); if (err) mlx5_core_warn(eq->dev, "eq failed to detach from irq. err %d", err); @@ -1023,19 +1031,31 @@ unsigned int mlx5_comp_vectors_count(struct mlx5_core_dev *dev) } EXPORT_SYMBOL(mlx5_comp_vectors_count); +static struct cpumask * +mlx5_irq_get_affinity_mask(struct mlx5_irq_table *irq_table, int vecidx) +{ + return irq_table->irq_info[vecidx].mask; +} + struct cpumask * mlx5_comp_irq_get_affinity_mask(struct mlx5_core_dev *dev, int vector) { int vecidx = vector + MLX5_EQ_VEC_COMP_BASE; - return dev->priv.eq_table->irq_table->irq_info[vecidx].mask; + return mlx5_irq_get_affinity_mask(dev->priv.eq_table->irq_table, + vecidx); } EXPORT_SYMBOL(mlx5_comp_irq_get_affinity_mask); #ifdef CONFIG_RFS_ACCEL +static struct cpu_rmap *mlx5_irq_get_rmap(struct mlx5_irq_table *irq_table) +{ + return irq_table->rmap; +} + struct cpu_rmap *mlx5_eq_table_get_rmap(struct mlx5_core_dev *dev) { - return dev->priv.eq_table->irq_table->rmap; + return mlx5_irq_get_rmap(dev->priv.eq_table->irq_table); } #endif |