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