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 int check_irq_vectors_for_cpu_disable(void);
29extern void fixup_irqs(void);
30extern void irq_force_complete_move(int);
31#endif
32
33extern void (*x86_platform_ipi_callback)(void);
34extern void native_init_IRQ(void);
35extern bool handle_irq(unsigned irq, struct pt_regs *regs);
36
37extern __visible unsigned int do_IRQ(struct pt_regs *regs);
38
39/* Interrupt vector management */
40extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
41extern int vector_used_by_percpu_irq(unsigned int vector);
42
43extern void init_ISA_irqs(void);
44
45#ifdef CONFIG_X86_LOCAL_APIC
46void arch_trigger_all_cpu_backtrace(bool);
47#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace
48#endif
49
50#endif /* _ASM_X86_IRQ_H */
51