linux/arch/x86/include/asm/irq.h
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   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
  14/*
  15 * The irq entry code is in the noinstr section and the start/end of
  16 * __irqentry_text is emitted via labels. Make the build fail if
  17 * something moves a C function into the __irq_entry section.
  18 */
  19#define __irq_entry __invalid_section
  20
  21static inline int irq_canonicalize(int irq)
  22{
  23        return ((irq == 2) ? 9 : irq);
  24}
  25
  26extern int irq_init_percpu_irqstack(unsigned int cpu);
  27
  28struct irq_desc;
  29
  30extern void fixup_irqs(void);
  31
  32#ifdef CONFIG_HAVE_KVM
  33extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
  34#endif
  35
  36extern void (*x86_platform_ipi_callback)(void);
  37extern void native_init_IRQ(void);
  38
  39extern void __handle_irq(struct irq_desc *desc, 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
  49#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
  50#endif
  51
  52#endif /* _ASM_X86_IRQ_H */
  53