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