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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_IRQ_H
3#define _ASM_X86_IRQ_H
4/*
5 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
6 *
7 * IRQ/IPI changes taken from work by Thomas Radke
8 * <tomsoft@informatik.tu-chemnitz.de>
9 */
10
11#include <asm/apicdef.h>
12#include <asm/irq_vectors.h>
13
14static inline int irq_canonicalize(int irq)
15{
16 return ((irq == 2) ? 9 : irq);
17}
18
19extern int irq_init_percpu_irqstack(unsigned int cpu);
20
21#define __ARCH_HAS_DO_SOFTIRQ
22
23struct irq_desc;
24
25extern void fixup_irqs(void);
26
27#ifdef CONFIG_HAVE_KVM
28extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
29extern __visible void smp_kvm_posted_intr_ipi(struct pt_regs *regs);
30extern __visible void smp_kvm_posted_intr_wakeup_ipi(struct pt_regs *regs);
31extern __visible void smp_kvm_posted_intr_nested_ipi(struct pt_regs *regs);
32#endif
33
34extern void (*x86_platform_ipi_callback)(void);
35extern void native_init_IRQ(void);
36
37extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs);
38
39extern __visible unsigned int do_IRQ(struct pt_regs *regs);
40
41extern void init_ISA_irqs(void);
42
43extern void __init init_IRQ(void);
44
45#ifdef CONFIG_X86_LOCAL_APIC
46void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
47 bool exclude_self);
48
49extern __visible void smp_x86_platform_ipi(struct pt_regs *regs);
50#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
51#endif
52
53#endif /* _ASM_X86_IRQ_H */