/* SPDX-License-Identifier: GPL-2.0-only */

#include <linux/interrupt.h>

#pragma once

#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

struct cpunet_hw;

/* Initialization */
struct cpunet_hw *cpunet_hw_init(struct device *dev, irq_handler_t clb,
				 void *data);
void cpunet_hw_exit(struct cpunet_hw *hw);

/* Query hardware properties */
unsigned int cpunet_hw_buffer_size(void);
unsigned int cpunet_hw_max_num(void);

/* Receiving messages */
int cpunet_hw_rx(struct cpunet_hw *hw, const void **data, unsigned int *len);
void cpunet_hw_rx_done(struct cpunet_hw *hw);

/* Sending messages */
void *cpunet_hw_tx_alloc(struct cpunet_hw *hw);
void cpunet_hw_tx(struct cpunet_hw *hw, unsigned int length);
bool cpunet_hw_tx_full(struct cpunet_hw *hw);

/* Interrupt configuration */
void cpunet_hw_ack_int(struct cpunet_hw *hw);
void cpunet_hw_enable_int(struct cpunet_hw *hw);
void cpunet_hw_disable_int(struct cpunet_hw *hw);