162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_X86_IRQ_H 362306a36Sopenharmony_ci#define _ASM_X86_IRQ_H 462306a36Sopenharmony_ci/* 562306a36Sopenharmony_ci * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * IRQ/IPI changes taken from work by Thomas Radke 862306a36Sopenharmony_ci * <tomsoft@informatik.tu-chemnitz.de> 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#include <asm/apicdef.h> 1262306a36Sopenharmony_ci#include <asm/irq_vectors.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* 1562306a36Sopenharmony_ci * The irq entry code is in the noinstr section and the start/end of 1662306a36Sopenharmony_ci * __irqentry_text is emitted via labels. Make the build fail if 1762306a36Sopenharmony_ci * something moves a C function into the __irq_entry section. 1862306a36Sopenharmony_ci */ 1962306a36Sopenharmony_ci#define __irq_entry __invalid_section 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistatic inline int irq_canonicalize(int irq) 2262306a36Sopenharmony_ci{ 2362306a36Sopenharmony_ci return ((irq == 2) ? 9 : irq); 2462306a36Sopenharmony_ci} 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ciextern int irq_init_percpu_irqstack(unsigned int cpu); 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cistruct irq_desc; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciextern void fixup_irqs(void); 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci#ifdef CONFIG_HAVE_KVM 3362306a36Sopenharmony_ciextern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)); 3462306a36Sopenharmony_ci#endif 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciextern void (*x86_platform_ipi_callback)(void); 3762306a36Sopenharmony_ciextern void native_init_IRQ(void); 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ciextern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs); 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ciextern void init_ISA_irqs(void); 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci#ifdef CONFIG_X86_LOCAL_APIC 4462306a36Sopenharmony_civoid arch_trigger_cpumask_backtrace(const struct cpumask *mask, 4562306a36Sopenharmony_ci int exclude_cpu); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace 4862306a36Sopenharmony_ci#endif 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci#endif /* _ASM_X86_IRQ_H */ 51