irq_user.h 733 字节
Newer Older
1
/*
L
Linus Torvalds 已提交
2 3 4 5 6 7 8
 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
 * Licensed under the GPL
 */

#ifndef __IRQ_USER_H__
#define __IRQ_USER_H__

9 10
#include "uml-config.h"

11 12 13 14 15 16 17 18 19 20 21
struct irq_fd {
	struct irq_fd *next;
	void *id;
	int fd;
	int type;
	int irq;
	int pid;
	int events;
	int current_events;
};

L
Linus Torvalds 已提交
22 23 24 25 26 27 28 29 30 31 32
enum { IRQ_READ, IRQ_WRITE };

extern void sigio_handler(int sig, union uml_pt_regs *regs);
extern int activate_fd(int irq, int fd, int type, void *dev_id);
extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
extern void free_irq_by_fd(int fd);
extern void reactivate_fd(int fd, int irqnum);
extern void deactivate_fd(int fd, int irqnum);
extern int deactivate_all_fds(void);
extern int activate_ipi(int fd, int pid);

33
#endif