arch/um/include/irq_user.h

   1 /*
   2  * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __IRQ_USER_H__
   7 #define __IRQ_USER_H__
   8
   9 #include "uml-config.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 pid;
  18         int events;
  19         int current_events;
  20 };
  21
  22 enum { IRQ_READ, IRQ_WRITE };
  23
  24 extern void sigio_handler(int sig, union uml_pt_regs *regs);
  25 extern int activate_fd(int irq, int fd, int type, void *dev_id);
  26 extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
  27 extern void free_irq_by_fd(int fd);
  28 extern void reactivate_fd(int fd, int irqnum);
  29 extern void deactivate_fd(int fd, int irqnum);
  30 extern int deactivate_all_fds(void);
  31 extern int activate_ipi(int fd, int pid);
  32
  33 #ifdef CONFIG_MODE_TT
  34 extern void forward_interrupts(int pid);
  35 #endif
  36
  37 #endif