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 enum { IRQ_READ, IRQ_WRITE };
  10
  11 extern void sigio_handler(int sig, union uml_pt_regs *regs);
  12 extern int activate_fd(int irq, int fd, int type, void *dev_id);
  13 extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
  14 extern void free_irq_by_fd(int fd);
  15 extern void reactivate_fd(int fd, int irqnum);
  16 extern void deactivate_fd(int fd, int irqnum);
  17 extern int deactivate_all_fds(void);
  18 extern void forward_interrupts(int pid);
  19 extern void init_irq_signals(int on_sigstack);
  20 extern void forward_ipi(int fd, int pid);
  21 extern void free_irq_later(int irq, void *dev_id);
  22 extern int activate_ipi(int fd, int pid);
  23 extern unsigned long irq_lock(void);
  24 extern void irq_unlock(unsigned long flags);
  25 #endif
  26
  27 /*
  28  * Overrides for Emacs so that we follow Linus's tabbing style.
  29  * Emacs will notice this stuff at the end of the file and automatically
  30  * adjust the settings for this buffer only.  This must remain at the end
  31  * of the file.
  32  * ---------------------------------------------------------------------------
  33  * Local variables:
  34  * c-file-style: "linux"
  35  * End:
  36  */