diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h new file mode 100644 index 000000000..2e728e4e8 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2021 Mellanox Technologies. */ + +#ifndef __MLX5_IRQ_H__ +#define __MLX5_IRQ_H__ + +#include <linux/mlx5/driver.h> + +#define MLX5_COMP_EQS_PER_SF 8 + +struct mlx5_irq; + +int mlx5_irq_table_init(struct mlx5_core_dev *dev); +void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev); +int mlx5_irq_table_create(struct mlx5_core_dev *dev); +void mlx5_irq_table_destroy(struct mlx5_core_dev *dev); +void mlx5_irq_table_free_irqs(struct mlx5_core_dev *dev); +int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table); +int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table); +struct mlx5_irq_table *mlx5_irq_table_get(struct mlx5_core_dev *dev); + +int mlx5_set_msix_vec_count(struct mlx5_core_dev *dev, int devfn, + int msix_vec_count); +int mlx5_get_default_msix_vec_count(struct mlx5_core_dev *dev, int num_vfs); + +struct mlx5_irq *mlx5_ctrl_irq_request(struct mlx5_core_dev *dev); +void mlx5_ctrl_irq_release(struct mlx5_irq *ctrl_irq); +struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx, + struct cpumask *affinity); +int mlx5_irqs_request_vectors(struct mlx5_core_dev *dev, u16 *cpus, int nirqs, + struct mlx5_irq **irqs); +void mlx5_irqs_release_vectors(struct mlx5_irq **irqs, int nirqs); +int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb); +int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb); +struct cpumask *mlx5_irq_get_affinity_mask(struct mlx5_irq *irq); +int mlx5_irq_get_index(struct mlx5_irq *irq); + +struct mlx5_irq_pool; +#ifdef CONFIG_MLX5_SF +int mlx5_irq_affinity_irqs_request_auto(struct mlx5_core_dev *dev, int nirqs, + struct mlx5_irq **irqs); +struct mlx5_irq *mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, + const struct cpumask *req_mask); +void mlx5_irq_affinity_irqs_release(struct mlx5_core_dev *dev, struct mlx5_irq **irqs, + int num_irqs); +#else +static inline int mlx5_irq_affinity_irqs_request_auto(struct mlx5_core_dev *dev, int nirqs, + struct mlx5_irq **irqs) +{ + return -EOPNOTSUPP; +} + +static inline struct mlx5_irq * +mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, const struct cpumask *req_mask) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline void mlx5_irq_affinity_irqs_release(struct mlx5_core_dev *dev, + struct mlx5_irq **irqs, int num_irqs) {} +#endif +#endif /* __MLX5_IRQ_H__ */ |