aboutsummaryrefslogtreecommitdiff
path: root/arch/um/include/irq_user.h
blob: 15d311b9be9efca178d83da0994f8c813539cd18 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
 * Licensed under the GPL
 */

#ifndef __IRQ_USER_H__
#define __IRQ_USER_H__

#include "uml-config.h"

struct irq_fd {
	struct irq_fd *next;
	void *id;
	int fd;
	int type;
	int irq;
	int pid;
	int events;
	int current_events;
};

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);

#ifdef CONFIG_MODE_TT
extern void forward_interrupts(int pid);
#endif

#endif