| /* 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); |
| 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__ */ |