1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2/* Copyright (c) 2021 Mellanox Technologies. */ 3 4#ifndef __MLX5_IRQ_H__ 5#define __MLX5_IRQ_H__ 6 7#include <linux/mlx5/driver.h> 8 9#define MLX5_COMP_EQS_PER_SF 8 10 11struct mlx5_irq; 12struct cpu_rmap; 13 14int mlx5_irq_table_init(struct mlx5_core_dev *dev); 15void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev); 16int mlx5_irq_table_create(struct mlx5_core_dev *dev); 17void mlx5_irq_table_destroy(struct mlx5_core_dev *dev); 18void mlx5_irq_table_free_irqs(struct mlx5_core_dev *dev); 19int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table); 20int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table); 21struct mlx5_irq_table *mlx5_irq_table_get(struct mlx5_core_dev *dev); 22 23int mlx5_set_msix_vec_count(struct mlx5_core_dev *dev, int devfn, 24 int msix_vec_count); 25int mlx5_get_default_msix_vec_count(struct mlx5_core_dev *dev, int num_vfs); 26 27struct mlx5_irq *mlx5_ctrl_irq_request(struct mlx5_core_dev *dev); 28void mlx5_ctrl_irq_release(struct mlx5_irq *ctrl_irq); 29struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx, 30 struct irq_affinity_desc *af_desc, 31 struct cpu_rmap **rmap); 32struct mlx5_irq *mlx5_irq_request_vector(struct mlx5_core_dev *dev, u16 cpu, 33 u16 vecidx, struct cpu_rmap **rmap); 34void mlx5_irq_release_vector(struct mlx5_irq *irq); 35int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb); 36int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb); 37struct cpumask *mlx5_irq_get_affinity_mask(struct mlx5_irq *irq); 38int mlx5_irq_get_index(struct mlx5_irq *irq); 39 40struct mlx5_irq_pool; 41#ifdef CONFIG_MLX5_SF 42struct mlx5_irq *mlx5_irq_affinity_irq_request_auto(struct mlx5_core_dev *dev, 43 struct cpumask *used_cpus, u16 vecidx); 44struct mlx5_irq *mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, 45 struct irq_affinity_desc *af_desc); 46void mlx5_irq_affinity_irq_release(struct mlx5_core_dev *dev, struct mlx5_irq *irq); 47#else 48static inline 49struct mlx5_irq *mlx5_irq_affinity_irq_request_auto(struct mlx5_core_dev *dev, 50 struct cpumask *used_cpus, u16 vecidx) 51{ 52 return ERR_PTR(-EOPNOTSUPP); 53} 54 55static inline struct mlx5_irq * 56mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, struct irq_affinity_desc *af_desc) 57{ 58 return ERR_PTR(-EOPNOTSUPP); 59} 60 61static inline 62void mlx5_irq_affinity_irq_release(struct mlx5_core_dev *dev, struct mlx5_irq *irq) 63{ 64} 65#endif 66#endif /* __MLX5_IRQ_H__ */ 67