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 
11 #define MLX5_IRQ_EQ_CTRL (0)
12 
13 struct mlx5_irq;
14 
15 int mlx5_irq_table_init(struct mlx5_core_dev *dev);
16 void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev);
17 int mlx5_irq_table_create(struct mlx5_core_dev *dev);
18 void mlx5_irq_table_destroy(struct mlx5_core_dev *dev);
19 int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table);
20 int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table);
21 struct mlx5_irq_table *mlx5_irq_table_get(struct mlx5_core_dev *dev);
22 
23 int mlx5_set_msix_vec_count(struct mlx5_core_dev *dev, int devfn,
24 			    int msix_vec_count);
25 int mlx5_get_default_msix_vec_count(struct mlx5_core_dev *dev, int num_vfs);
26 
27 struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx,
28 				  struct cpumask *affinity);
29 void mlx5_irq_release(struct mlx5_irq *irq);
30 int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb);
31 int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb);
32 struct cpumask *mlx5_irq_get_affinity_mask(struct mlx5_irq *irq);
33 int mlx5_irq_get_index(struct mlx5_irq *irq);
34 
35 #endif /* __MLX5_IRQ_H__ */
36