irq.h (1280B)
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 */