LXR linux/arch/um/include/shared/irq

   1/*
   2 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3 * Licensed under the GPL
   4 */
   5
   6#ifndef __IRQ_USER_H__
   7#define __IRQ_USER_H__
   8
   9#include <sysdep/ptrace.h>
  10#include <stdbool.h>
  11
  12struct irq_fd {
  13        struct irq_fd *next;
  14        void *id;
  15        int fd;
  16        int type;
  17        int irq;
  18        int events;
  19        bool active;
  20        bool pending;
  21        bool purge;
  22};
  23
  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
  30
  31struct siginfo;
  32extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
  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);
  37extern int activate_ipi(int fd, int pid);
  38
  39#endif
  40