/*	$NetBSD: irq_work.h,v 1.6 2021/12/19 11:49:57 riastradh Exp $	*/

/*-
 * Copyright (c) 2020 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _LINUX_IRQ_WORK_H
#define _LINUX_IRQ_WORK_H

#include <sys/queue.h>
#include <sys/stdbool.h>

#include <asm/cpufeature.h>

/* namespace */
#define	init_irq_work	linux_init_irq_work
#define	irq_work_queue	linux_irq_work_queue

struct irq_work {
	SIMPLEQ_ENTRY(irq_work)	iw_entry;
	volatile unsigned	iw_flags;

	/* Linux API */
	void			(*func)(struct irq_work *);
};

void	init_irq_work(struct irq_work *, void (*)(struct irq_work *));
bool	irq_work_queue(struct irq_work *);

void	linux_irq_work_init(void);
void	linux_irq_work_fini(void);

#endif  /* _LINUX_IRQ_WORK_H */