LXR linux/include/asm-i386/irq.h

   1#ifndef _ASM_IRQ_H
   2#define _ASM_IRQ_H
   3
   4/*
   5 *      linux/include/asm/irq.h
   6 *
   7 *      (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
   8 *
   9 *      IRQ/IPI changes taken from work by Thomas Radke
  10 *      <tomsoft@informatik.tu-chemnitz.de>
  11 */
  12
  13#include <linux/sched.h>
  14/* include comes from machine specific directory */
  15#include "irq_vectors.h"
  16#include <asm/thread_info.h>
  17
  18static __inline__ int irq_canonicalize(int irq)
  19{
  20        return ((irq == 2) ? 9 : irq);
  21}
  22
  23#ifdef CONFIG_X86_LOCAL_APIC
  24# define ARCH_HAS_NMI_WATCHDOG          /* See include/linux/nmi.h */
  25#endif
  26
  27#ifdef CONFIG_4KSTACKS
  28  extern void irq_ctx_init(int cpu);
  29  extern void irq_ctx_exit(int cpu);
  30# define __ARCH_HAS_DO_SOFTIRQ
  31#else
  32# define irq_ctx_init(cpu) do { } while (0)
  33# define irq_ctx_exit(cpu) do { } while (0)
  34#endif
  35
  36#ifdef CONFIG_IRQBALANCE
  37extern int irqbalance_disable(char *str);
  38#endif
  39
  40#ifdef CONFIG_HOTPLUG_CPU
  41extern void fixup_irqs(cpumask_t map);
  42#endif
  43
  44void init_IRQ(void);
  45void __init native_init_IRQ(void);
  46
  47#endif /* _ASM_IRQ_H */
  48