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Jeff Dike63ae2a92006-03-27 01:14:30 -08001/*
Jeff Dikeba180fd2007-10-16 01:27:00 -07002 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * Licensed under the GPL
4 */
5
6#ifndef __IRQ_USER_H__
7#define __IRQ_USER_H__
8
Jeff Dikeba180fd2007-10-16 01:27:00 -07009#include "sysdep/ptrace.h"
Jeff Dike8ae43ff2006-07-10 04:45:09 -070010
Jeff Dike63ae2a92006-03-27 01:14:30 -080011struct irq_fd {
12 struct irq_fd *next;
13 void *id;
14 int fd;
15 int type;
16 int irq;
17 int pid;
18 int events;
19 int current_events;
20};
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022enum { IRQ_READ, IRQ_WRITE };
23
Jeff Dike77bf4402007-10-16 01:26:58 -070024extern void sigio_handler(int sig, struct uml_pt_regs *regs);
Linus Torvalds1da177e2005-04-16 15:20:36 -070025extern int activate_fd(int irq, int fd, int type, void *dev_id);
26extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
27extern void free_irq_by_fd(int fd);
28extern void reactivate_fd(int fd, int irqnum);
29extern void deactivate_fd(int fd, int irqnum);
30extern int deactivate_all_fds(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031extern int activate_ipi(int fd, int pid);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Jeff Dike165dc592006-01-06 00:18:57 -080033#endif