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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / ff6a17989c08b0bb0fd490cc500b084581b3a9b9 / . / arch / um / include / shared / irq_user.h
blob: a7a6120f19d55ae505114e419d1b841ea7f90cee [file] [log] [blame]
Jeff Dike63ae2a92006-03-27 01:14:30 -0800[diff] [blame]1/*
Jeff Dikeba180fd2007-10-16 01:27:00 -0700[diff] [blame]2 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]3 * Licensed under the GPL
4 */
5
6#ifndef __IRQ_USER_H__
7#define __IRQ_USER_H__
8
Al Viro37185b32012-10-08 03:27:32 +0100[diff] [blame]9#include <sysdep/ptrace.h>
Anton Ivanovff6a1792017-11-20 21:17:58 +0000[diff] [blame^]10#include <stdbool.h>
Jeff Dike8ae43ff2006-07-10 04:45:09 -0700[diff] [blame]11
Jeff Dike63ae2a92006-03-27 01:14:30 -0800[diff] [blame]12struct irq_fd {
13 struct irq_fd *next;
14 void *id;
15 int fd;
16 int type;
17 int irq;
Jeff Dike63ae2a92006-03-27 01:14:30 -0800[diff] [blame]18 int events;
Anton Ivanovff6a1792017-11-20 21:17:58 +0000[diff] [blame^]19 bool active;
20 bool pending;
21 bool purge;
Jeff Dike63ae2a92006-03-27 01:14:30 -0800[diff] [blame]22};
23
Anton Ivanovff6a1792017-11-20 21:17:58 +0000[diff] [blame^]24#define IRQ_READ 0
25#define IRQ_WRITE 1
26#define IRQ_NONE 2
27#define MAX_IRQ_TYPE (IRQ_NONE + 1)
28
29
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]30
Martin Pärteld3c1cfc2012-08-02 00:49:17 +0200[diff] [blame]31struct siginfo;
32extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]33extern void free_irq_by_fd(int fd);
34extern void reactivate_fd(int fd, int irqnum);
35extern void deactivate_fd(int fd, int irqnum);
36extern int deactivate_all_fds(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]37extern int activate_ipi(int fd, int pid);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]38
Jeff Dike165dc592006-01-06 00:18:57 -0800[diff] [blame]39#endif