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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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
19static __inline__ int irq_canonicalize(int irq)
20{
21 return ((irq == 2) ? 9 : irq);
22}
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#ifdef CONFIG_X86_LOCAL_APIC
25# define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */
26#endif
27
28#ifdef CONFIG_4KSTACKS
29 extern void irq_ctx_init(int cpu);
Li Shaohuae1367da2005-06-25 14:54:56 -070030 extern void irq_ctx_exit(int cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031# define __ARCH_HAS_DO_SOFTIRQ
32#else
33# define irq_ctx_init(cpu) do { } while (0)
Li Shaohuae1367da2005-06-25 14:54:56 -070034# define irq_ctx_exit(cpu) do { } while (0)
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#endif
36
37#ifdef CONFIG_IRQBALANCE
38extern int irqbalance_disable(char *str);
39#endif
40
Zwane Mwaikambof3705132005-06-25 14:54:50 -070041#ifdef CONFIG_HOTPLUG_CPU
42extern void fixup_irqs(cpumask_t map);
43#endif
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#endif /* _ASM_IRQ_H */