1#ifndef _ASM_X86_IRQ_H 2#define _ASM_X86_IRQ_H 3/* 4 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar 5 * 6 * IRQ/IPI changes taken from work by Thomas Radke 7 * <tomsoft@informatik.tu-chemnitz.de> 8 */ 9 10#include <asm/apicdef.h> 11#include <asm/irq_vectors.h> 12 13static inline int irq_canonicalize(int irq) 14{ 15 return ((irq == 2) ? 9 : irq); 16} 17 18#ifdef CONFIG_X86_32 19extern void irq_ctx_init(int cpu); 20#else 21# define irq_ctx_init(cpu) do { } while (0) 22#endif 23 24#define __ARCH_HAS_DO_SOFTIRQ 25 26struct irq_desc; 27 28#ifdef CONFIG_HOTPLUG_CPU 29#include <linux/cpumask.h> 30extern int check_irq_vectors_for_cpu_disable(void); 31extern void fixup_irqs(void); 32extern void irq_force_complete_move(struct irq_desc *desc); 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 46/* Interrupt vector management */ 47extern DECLARE_BITMAP(used_vectors, NR_VECTORS); 48extern int vector_used_by_percpu_irq(unsigned int vector); 49 50extern void init_ISA_irqs(void); 51 52#ifdef CONFIG_X86_LOCAL_APIC 53void arch_trigger_cpumask_backtrace(const struct cpumask *mask, 54 bool exclude_self); 55#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace 56#endif 57 58#endif /* _ASM_X86_IRQ_H */ 59