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 struct irq_fd {
  10         struct irq_fd *next;
  11         void *id;
  12         int fd;
  13         int type;
  14         int irq;
  15         int pid;
  16         int events;
  17         int current_events;
  18 };
  19
  20 enum { IRQ_READ, IRQ_WRITE };
  21
  22 extern void sigio_handler(int sig, union uml_pt_regs *regs);
  23 extern int activate_fd(int irq, int fd, int type, void *dev_id);
  24 extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
  25 extern void free_irq_by_fd(int fd);
  26 extern void reactivate_fd(int fd, int irqnum);
  27 extern void deactivate_fd(int fd, int irqnum);
  28 extern int deactivate_all_fds(void);
  29 extern void forward_interrupts(int pid);
  30 extern int activate_ipi(int fd, int pid);
  31 extern unsigned long irq_lock(void);
  32 extern void irq_unlock(unsigned long flags);
  33
  34 #endif