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Linux kernel mirror (for testing)
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linux
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
26struct irq_desc;
27
28#ifdef CONFIG_HOTPLUG_CPU
29#include <linux/cpumask.h>
30extern int check_irq_vectors_for_cpu_disable(void);
31extern void fixup_irqs(void);
32#endif
33
34#ifdef CONFIG_HAVE_KVM
35extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
36#endif
37
38extern void (*x86_platform_ipi_callback)(void);
39extern void native_init_IRQ(void);
40
41extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs);
42
43extern __visible unsigned int do_IRQ(struct pt_regs *regs);
44
45/* Interrupt vector management */
46extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
47extern int vector_used_by_percpu_irq(unsigned int vector);
48
49extern void init_ISA_irqs(void);
50
51#ifdef CONFIG_X86_LOCAL_APIC
52void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
53 bool exclude_self);
54#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
55#endif
56
57#endif /* _ASM_X86_IRQ_H */