cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mlx5_irq.h (2334B)

      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;
     12
     13int mlx5_irq_table_init(struct mlx5_core_dev *dev);
     14void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev);
     15int mlx5_irq_table_create(struct mlx5_core_dev *dev);
     16void mlx5_irq_table_destroy(struct mlx5_core_dev *dev);
     17int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table);
     18int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table);
     19struct mlx5_irq_table *mlx5_irq_table_get(struct mlx5_core_dev *dev);
     20
     21int mlx5_set_msix_vec_count(struct mlx5_core_dev *dev, int devfn,
     22			    int msix_vec_count);
     23int mlx5_get_default_msix_vec_count(struct mlx5_core_dev *dev, int num_vfs);
     24
     25struct mlx5_irq *mlx5_ctrl_irq_request(struct mlx5_core_dev *dev);
     26void mlx5_ctrl_irq_release(struct mlx5_irq *ctrl_irq);
     27struct mlx5_irq *mlx5_irq_request(struct mlx5_core_dev *dev, u16 vecidx,
     28				  struct cpumask *affinity);
     29int mlx5_irqs_request_vectors(struct mlx5_core_dev *dev, u16 *cpus, int nirqs,
     30			      struct mlx5_irq **irqs);
     31void mlx5_irqs_release_vectors(struct mlx5_irq **irqs, int nirqs);
     32int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb);
     33int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb);
     34struct cpumask *mlx5_irq_get_affinity_mask(struct mlx5_irq *irq);
     35int mlx5_irq_get_index(struct mlx5_irq *irq);
     36
     37struct mlx5_irq_pool;
     38#ifdef CONFIG_MLX5_SF
     39int mlx5_irq_affinity_irqs_request_auto(struct mlx5_core_dev *dev, int nirqs,
     40					struct mlx5_irq **irqs);
     41struct mlx5_irq *mlx5_irq_affinity_request(struct mlx5_irq_pool *pool,
     42					   const struct cpumask *req_mask);
     43void mlx5_irq_affinity_irqs_release(struct mlx5_core_dev *dev, struct mlx5_irq **irqs,
     44				    int num_irqs);
     45#else
     46static inline int mlx5_irq_affinity_irqs_request_auto(struct mlx5_core_dev *dev, int nirqs,
     47						      struct mlx5_irq **irqs)
     48{
     49	return -EOPNOTSUPP;
     50}
     51
     52static inline struct mlx5_irq *
     53mlx5_irq_affinity_request(struct mlx5_irq_pool *pool, const struct cpumask *req_mask)
     54{
     55	return ERR_PTR(-EOPNOTSUPP);
     56}
     57
     58static inline void mlx5_irq_affinity_irqs_release(struct mlx5_core_dev *dev,
     59						  struct mlx5_irq **irqs, int num_irqs) {}
     60#endif
     61#endif /* __MLX5_IRQ_H__ */