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1da177e4 LT |
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 | ||
1da177e4 LT |
13 | #include <linux/sched.h> |
14 | /* include comes from machine specific directory */ | |
15 | #include "irq_vectors.h" | |
16 | #include <asm/thread_info.h> | |
17 | ||
18 | static __inline__ int irq_canonicalize(int irq) | |
19 | { | |
20 | return ((irq == 2) ? 9 : irq); | |
21 | } | |
22 | ||
1da177e4 LT |
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); | |
e1367daf | 29 | extern void irq_ctx_exit(int cpu); |
1da177e4 LT |
30 | # define __ARCH_HAS_DO_SOFTIRQ |
31 | #else | |
32 | # define irq_ctx_init(cpu) do { } while (0) | |
e1367daf | 33 | # define irq_ctx_exit(cpu) do { } while (0) |
1da177e4 LT |
34 | #endif |
35 | ||
36 | #ifdef CONFIG_IRQBALANCE | |
37 | extern int irqbalance_disable(char *str); | |
38 | #endif | |
39 | ||
f3705136 ZM |
40 | #ifdef CONFIG_HOTPLUG_CPU |
41 | extern void fixup_irqs(cpumask_t map); | |
42 | #endif | |
43 | ||
d3561b7f RR |
44 | void init_IRQ(void); |
45 | void __init native_init_IRQ(void); | |
46 | ||
1da177e4 | 47 | #endif /* _ASM_IRQ_H */ |