arch/um/include/irq_user.h

   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
  11 struct irq_fd {
  12         struct irq_fd *next;
  13         void *id;
  14         int fd;
  15         int type;
  16         int irq;
  17         int events;
  18         int current_events;
  19 };
  20
  21 enum { IRQ_READ, IRQ_WRITE };
  22
  23 extern void sigio_handler(int sig, struct uml_pt_regs *regs);
  24 extern int activate_fd(int irq, int fd, int type, void *dev_id);
  25 extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
  26 extern void free_irq_by_fd(int fd);
  27 extern void reactivate_fd(int fd, int irqnum);
  28 extern void deactivate_fd(int fd, int irqnum);
  29 extern int deactivate_all_fds(void);
  30 extern int activate_ipi(int fd, int pid);
  31
  32 #endif