include/linux/mlx5/eq.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies. */

#ifndef MLX5_CORE_EQ_H
#define MLX5_CORE_EQ_H

#include <linux/mlx5/driver.h>

enum {
	MLX5_EQ_PAGEREQ_IDX        = 0,
	MLX5_EQ_CMD_IDX            = 1,
	MLX5_EQ_ASYNC_IDX          = 2,
	/* reserved to be used by mlx5_core ulps (mlx5e/mlx5_ib) */
	MLX5_EQ_PFAULT_IDX         = 3,
	MLX5_EQ_MAX_ASYNC_EQS,
	/* completion eqs vector indices start here */
	MLX5_EQ_VEC_COMP_BASE = MLX5_EQ_MAX_ASYNC_EQS,
};

struct mlx5_eq;

struct mlx5_eq_param {
	u8             index;
	int            nent;
	u64            mask;
	void          *context;
	irq_handler_t  handler;
};

struct mlx5_eq *
mlx5_eq_create_generic(struct mlx5_core_dev *dev, const char *name,
		       struct mlx5_eq_param *param);
int
mlx5_eq_destroy_generic(struct mlx5_core_dev *dev, struct mlx5_eq *eq);

struct mlx5_eqe *mlx5_eq_get_eqe(struct mlx5_eq *eq, u32 cc);
void mlx5_eq_update_ci(struct mlx5_eq *eq, u32 cc, bool arm);

#endif /* MLX5_CORE_EQ_H */