From: Yuval Avnery <yuvalav@xxxxxxxxxxxx> struct mlx5_irq_info is an active object and not just info. Signed-off-by: Yuval Avnery <yuvalav@xxxxxxxxxxxx> Reviewed-by: Parav Pandit <parav@xxxxxxxxxxxx> Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx> --- .../net/ethernet/mellanox/mlx5/core/pci_irq.c | 77 +++++++++---------- 1 file changed, 38 insertions(+), 39 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index 75408639d150..fec861f4fefe 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -12,14 +12,14 @@ #define MLX5_MAX_IRQ_NAME (32) -struct mlx5_irq_info { +struct mlx5_irq { struct atomic_notifier_head nh; cpumask_var_t mask; char name[MLX5_MAX_IRQ_NAME]; }; struct mlx5_irq_table { - struct mlx5_irq_info *irq_info; + struct mlx5_irq *irq; int nvec; #ifdef CONFIG_RFS_ACCEL struct cpu_rmap *rmap; @@ -48,29 +48,29 @@ int mlx5_irq_get_num_comp(struct mlx5_irq_table *table) return table->nvec - MLX5_EQ_VEC_COMP_BASE; } -static struct mlx5_irq_info *mlx5_irq_get(struct mlx5_core_dev *dev, int vecidx) +static struct mlx5_irq *mlx5_irq_get(struct mlx5_core_dev *dev, int vecidx) { struct mlx5_irq_table *irq_table = dev->priv.irq_table; - return &irq_table->irq_info[vecidx]; + return &irq_table->irq[vecidx]; } int mlx5_irq_attach_nb(struct mlx5_irq_table *irq_table, int vecidx, struct notifier_block *nb) { - struct mlx5_irq_info *irq_info; + struct mlx5_irq *irq; - irq_info = &irq_table->irq_info[vecidx]; - return atomic_notifier_chain_register(&irq_info->nh, nb); + irq = &irq_table->irq[vecidx]; + return atomic_notifier_chain_register(&irq->nh, nb); } int mlx5_irq_detach_nb(struct mlx5_irq_table *irq_table, int vecidx, struct notifier_block *nb) { - struct mlx5_irq_info *irq_info; + struct mlx5_irq *irq; - irq_info = &irq_table->irq_info[vecidx]; - return atomic_notifier_chain_unregister(&irq_info->nh, nb); + irq = &irq_table->irq[vecidx]; + return atomic_notifier_chain_unregister(&irq->nh, nb); } static irqreturn_t mlx5_irq_int_handler(int irq, void *nh) @@ -108,15 +108,15 @@ static int request_irqs(struct mlx5_core_dev *dev, int nvec) int i; for (i = 0; i < nvec; i++) { - struct mlx5_irq_info *irq_info = mlx5_irq_get(dev, i); + struct mlx5_irq *irq = mlx5_irq_get(dev, i); int irqn = pci_irq_vector(dev->pdev, i); irq_set_name(name, i); - ATOMIC_INIT_NOTIFIER_HEAD(&irq_info->nh); - snprintf(irq_info->name, MLX5_MAX_IRQ_NAME, + ATOMIC_INIT_NOTIFIER_HEAD(&irq->nh); + snprintf(irq->name, MLX5_MAX_IRQ_NAME, "%s@pci:%s", name, pci_name(dev->pdev)); - err = request_irq(irqn, mlx5_irq_int_handler, 0, irq_info->name, - &irq_info->nh); + err = request_irq(irqn, mlx5_irq_int_handler, 0, irq->name, + &irq->nh); if (err) { mlx5_core_err(dev, "Failed to request irq\n"); goto err_request_irq; @@ -126,10 +126,10 @@ static int request_irqs(struct mlx5_core_dev *dev, int nvec) err_request_irq: for (; i >= 0; i--) { - struct mlx5_irq_info *irq_info = mlx5_irq_get(dev, i); + struct mlx5_irq *irq = mlx5_irq_get(dev, i); int irqn = pci_irq_vector(dev->pdev, i); - free_irq(irqn, &irq_info->nh); + free_irq(irqn, &irq->nh); } return err; } @@ -183,23 +183,22 @@ static int irq_set_rmap(struct mlx5_core_dev *mdev) static int set_comp_irq_affinity_hint(struct mlx5_core_dev *mdev, int i) { int vecidx = MLX5_EQ_VEC_COMP_BASE + i; - struct mlx5_irq_info *irq_info; - int irq; + struct mlx5_irq *irq; + int irqn; - irq_info = mlx5_irq_get(mdev, vecidx); - irq = pci_irq_vector(mdev->pdev, vecidx); - if (!zalloc_cpumask_var(&irq_info->mask, GFP_KERNEL)) { + irq = mlx5_irq_get(mdev, vecidx); + irqn = pci_irq_vector(mdev->pdev, vecidx); + if (!zalloc_cpumask_var(&irq->mask, GFP_KERNEL)) { mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); return -ENOMEM; } cpumask_set_cpu(cpumask_local_spread(i, mdev->priv.numa_node), - irq_info->mask); - + irq->mask); if (IS_ENABLED(CONFIG_SMP) && - irq_set_affinity_hint(irq, irq_info->mask)) + irq_set_affinity_hint(irqn, irq->mask)) mlx5_core_warn(mdev, "irq_set_affinity_hint failed, irq 0x%.4x", - irq); + irqn); return 0; } @@ -207,13 +206,13 @@ static int set_comp_irq_affinity_hint(struct mlx5_core_dev *mdev, int i) static void clear_comp_irq_affinity_hint(struct mlx5_core_dev *mdev, int i) { int vecidx = MLX5_EQ_VEC_COMP_BASE + i; - struct mlx5_irq_info *irq_info; - int irq; + struct mlx5_irq *irq; + int irqn; - irq_info = mlx5_irq_get(mdev, vecidx); - irq = pci_irq_vector(mdev->pdev, vecidx); - irq_set_affinity_hint(irq, NULL); - free_cpumask_var(irq_info->mask); + irq = mlx5_irq_get(mdev, vecidx); + irqn = pci_irq_vector(mdev->pdev, vecidx); + irq_set_affinity_hint(irqn, NULL); + free_cpumask_var(irq->mask); } static int set_comp_irq_affinity_hints(struct mlx5_core_dev *mdev) @@ -249,7 +248,7 @@ static void clear_comp_irqs_affinity_hints(struct mlx5_core_dev *mdev) struct cpumask * mlx5_irq_get_affinity_mask(struct mlx5_irq_table *irq_table, int vecidx) { - return irq_table->irq_info[vecidx].mask; + return irq_table->irq[vecidx].mask; } #ifdef CONFIG_RFS_ACCEL @@ -285,15 +284,15 @@ int mlx5_irq_table_create(struct mlx5_core_dev *dev) if (nvec <= MLX5_EQ_VEC_COMP_BASE) return -ENOMEM; - table->irq_info = kcalloc(nvec, sizeof(*table->irq_info), GFP_KERNEL); - if (!table->irq_info) + table->irq = kcalloc(nvec, sizeof(*table->irq), GFP_KERNEL); + if (!table->irq) return -ENOMEM; nvec = pci_alloc_irq_vectors(dev->pdev, MLX5_EQ_VEC_COMP_BASE + 1, nvec, PCI_IRQ_MSIX); if (nvec < 0) { err = nvec; - goto err_free_irq_info; + goto err_free_irq; } table->nvec = nvec; @@ -320,8 +319,8 @@ int mlx5_irq_table_create(struct mlx5_core_dev *dev) irq_clear_rmap(dev); err_set_rmap: pci_free_irq_vectors(dev->pdev); -err_free_irq_info: - kfree(table->irq_info); +err_free_irq: + kfree(table->irq); return err; } @@ -340,6 +339,6 @@ void mlx5_irq_table_destroy(struct mlx5_core_dev *dev) free_irq(pci_irq_vector(dev->pdev, i), &mlx5_irq_get(dev, i)->nh); pci_free_irq_vectors(dev->pdev); - kfree(table->irq_info); + kfree(table->irq); } -- 2.21.0