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