AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-28 11:18:45 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

net/mlx5: Generalize IRQ interface to work with irq_table

Browse Source 
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>
This commit is contained in:
Yuval Avnery 2019-06-10 23:38:34 +00:00 committed by Saeed Mahameed
parent e1706e6280
commit bfb49549ea
1 changed files with 29 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/ethernet/mellanox/mlx5/core/eq.c
View File

@ -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