LXR linux/arch/x86/include/asm/irq.h

   1#ifndef _ASM_X86_IRQ_H
   2#define _ASM_X86_IRQ_H
   3/*
   4 *      (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
   5 *
   6 *      IRQ/IPI changes taken from work by Thomas Radke
   7 *      <tomsoft@informatik.tu-chemnitz.de>
   8 */
   9
  10#include <asm/apicdef.h>
  11#include <asm/irq_vectors.h>
  12
  13static inline int irq_canonicalize(int irq)
  14{
  15        return ((irq == 2) ? 9 : irq);
  16}
  17
  18#ifdef CONFIG_X86_32
  19extern void irq_ctx_init(int cpu);
  20#else
  21# define irq_ctx_init(cpu) do { } while (0)
  22#endif
  23
  24#define __ARCH_HAS_DO_SOFTIRQ
  25
  26#ifdef CONFIG_HOTPLUG_CPU
  27#include <linux/cpumask.h>
  28extern void fixup_irqs(void);
  29extern void irq_force_complete_move(int);
  30#endif
  31
  32extern void (*x86_platform_ipi_callback)(void);
  33extern void native_init_IRQ(void);
  34extern bool handle_irq(unsigned irq, struct pt_regs *regs);
  35
  36extern unsigned int do_IRQ(struct pt_regs *regs);
  37
  38/* Interrupt vector management */
  39extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
  40extern int vector_used_by_percpu_irq(unsigned int vector);
  41
  42extern void init_ISA_irqs(void);
  43
  44#endif /* _ASM_X86_IRQ_H */
  45