arch/um/include/shared/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 #include <stdbool.h>
  11
  12 struct 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
  31 struct siginfo;
  32 extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
  33 extern void free_irq_by_fd(int fd);
  34 extern void reactivate_fd(int fd, int irqnum);
  35 extern void deactivate_fd(int fd, int irqnum);
  36 extern int deactivate_all_fds(void);
  37 extern int activate_ipi(int fd, int pid);
  38
  39 #endif