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/config.h>
  14 #include <linux/sched.h>
  15 /* include comes from machine specific directory */
  16 #include "irq_vectors.h"
  17 #include <asm/thread_info.h>
  18
  19 static __inline__ int irq_canonicalize(int irq)
  20 {
  21         return ((irq == 2) ? 9 : irq);
  22 }
  23
  24 extern void release_vm86_irqs(struct task_struct *);
  25
  26 #ifdef CONFIG_X86_LOCAL_APIC
  27 # define ARCH_HAS_NMI_WATCHDOG          /* See include/linux/nmi.h */
  28 #endif
  29
  30 #ifdef CONFIG_4KSTACKS
  31   extern void irq_ctx_init(int cpu);
  32   extern void irq_ctx_exit(int cpu);
  33 # define __ARCH_HAS_DO_SOFTIRQ
  34 #else
  35 # define irq_ctx_init(cpu) do { } while (0)
  36 # define irq_ctx_exit(cpu) do { } while (0)
  37 #endif
  38
  39 #ifdef CONFIG_IRQBALANCE
  40 extern int irqbalance_disable(char *str);
  41 #endif
  42
  43 #ifdef CONFIG_HOTPLUG_CPU
  44 extern void fixup_irqs(cpumask_t map);
  45 #endif
  46
  47 #endif /* _ASM_IRQ_H */