linux/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018-2021, Mellanox Technologies inc.  All rights reserved. */

#ifndef __LIB_MLX5_EQ_H__
#define __LIB_MLX5_EQ_H__
#include <linux/mlx5/driver.h>
#include <linux/mlx5/eq.h>
#include <linux/mlx5/cq.h>

#define MLX5_EQE_SIZE …

struct mlx5_eq_tasklet { … };

struct mlx5_cq_table { … };

struct mlx5_eq { … };

struct mlx5_eq_async { … };

struct mlx5_eq_comp { … };

static inline u32 eq_get_size(struct mlx5_eq *eq)
{ … }

static inline struct mlx5_eqe *get_eqe(struct mlx5_eq *eq, u32 entry)
{ … }

static inline struct mlx5_eqe *next_eqe_sw(struct mlx5_eq *eq)
{ … }

static inline void eq_update_ci(struct mlx5_eq *eq, int arm)
{ … }

int mlx5_eq_table_init(struct mlx5_core_dev *dev);
void mlx5_eq_table_cleanup(struct mlx5_core_dev *dev);
int mlx5_eq_table_create(struct mlx5_core_dev *dev);
void mlx5_eq_table_destroy(struct mlx5_core_dev *dev);

int mlx5_eq_add_cq(struct mlx5_eq *eq, struct mlx5_core_cq *cq);
void mlx5_eq_del_cq(struct mlx5_eq *eq, struct mlx5_core_cq *cq);
struct mlx5_eq_comp *mlx5_eqn2comp_eq(struct mlx5_core_dev *dev, int eqn);
struct mlx5_eq *mlx5_get_async_eq(struct mlx5_core_dev *dev);
void mlx5_cq_tasklet_cb(struct tasklet_struct *t);

u32 mlx5_eq_poll_irq_disabled(struct mlx5_eq_comp *eq);
void mlx5_cmd_eq_recover(struct mlx5_core_dev *dev);
void mlx5_eq_synchronize_async_irq(struct mlx5_core_dev *dev);
void mlx5_eq_synchronize_cmd_irq(struct mlx5_core_dev *dev);

int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq);
void mlx5_eq_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev);

/* This function should only be called after mlx5_cmd_force_teardown_hca */
void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev);

#ifdef CONFIG_RFS_ACCEL
struct cpu_rmap *mlx5_eq_table_get_rmap(struct mlx5_core_dev *dev);
#endif

int mlx5_comp_irqn_get(struct mlx5_core_dev *dev, int vector, unsigned int *irqn);

#endif