diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c b/drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c index 612e666ec263..f7b01b3f0cba 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/irq_affinity.c @@ -112,15 +112,18 @@ irq_pool_find_least_loaded(struct mlx5_irq_pool *pool, const struct cpumask *req /** * mlx5_irq_affinity_request - request an IRQ according to the given mask. + * @dev: mlx5 core device which is requesting the IRQ. * @pool: IRQ pool to request from. * @af_desc: affinity descriptor for this IRQ. * * This function returns a pointer to IRQ, or ERR_PTR in case of error. */ struct mlx5_irq * -mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, struct irq_affinity_desc *af_desc) +mlx5_irq_affinity_request(struct mlx5_core_dev *dev, struct mlx5_irq_pool *pool, + struct irq_affinity_desc *af_desc) { struct mlx5_irq *least_loaded_irq, *new_irq; + int ret; mutex_lock(&pool->lock); least_loaded_irq = irq_pool_find_least_loaded(pool, &af_desc->mask); @@ -153,6 +156,16 @@ out: mlx5_irq_read_locked(least_loaded_irq) / MLX5_EQ_REFS_PER_IRQ); unlock: mutex_unlock(&pool->lock); + if (mlx5_irq_pool_is_sf_pool(pool)) { + ret = auxiliary_device_sysfs_irq_add(mlx5_sf_coredev_to_adev(dev), + mlx5_irq_get_irq(least_loaded_irq)); + if (ret) { + mlx5_core_err(dev, "Failed to create sysfs entry for irq %d, ret = %d\n", + mlx5_irq_get_irq(least_loaded_irq), ret); + mlx5_irq_put(least_loaded_irq); + least_loaded_irq = ERR_PTR(ret); + } + } return least_loaded_irq; } @@ -164,6 +177,9 @@ void mlx5_irq_affinity_irq_release(struct mlx5_core_dev *dev, struct mlx5_irq *i cpu = cpumask_first(mlx5_irq_get_affinity_mask(irq)); synchronize_irq(pci_irq_vector(pool->dev->pdev, mlx5_irq_get_index(irq))); + if (mlx5_irq_pool_is_sf_pool(pool)) + auxiliary_device_sysfs_irq_remove(mlx5_sf_coredev_to_adev(dev), + mlx5_irq_get_irq(irq)); if (mlx5_irq_put(irq)) if (pool->irqs_per_cpu) cpu_put(pool, cpu); |