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 19#ifdef CONFIG_X86_32 20extern void irq_ctx_init(int cpu); 21#else 22# define irq_ctx_init(cpu) do { } while (0) 23#endif 24 25#define __ARCH_HAS_DO_SOFTIRQ 26 27struct irq_desc; 28 29#ifdef CONFIG_HOTPLUG_CPU 30#include <linux/cpumask.h> 31extern int check_irq_vectors_for_cpu_disable(void); 32extern void fixup_irqs(void); 33#endif 34 35#ifdef CONFIG_HAVE_KVM 36extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)); 37#endif 38 39extern void (*x86_platform_ipi_callback)(void); 40extern void native_init_IRQ(void); 41 42extern bool handle_irq(struct irq_desc *desc, struct pt_regs *regs); 43 44extern __visible unsigned int do_IRQ(struct pt_regs *regs); 45 46extern void init_ISA_irqs(void); 47 48#ifdef CONFIG_X86_LOCAL_APIC 49void arch_trigger_cpumask_backtrace(const struct cpumask *mask, 50 bool exclude_self); 51#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace 52#endif 53 54#endif /* _ASM_X86_IRQ_H */ 55