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 26#ifdef CONFIG_HOTPLUG_CPU 27#include <linux/cpumask.h> 28extern int check_irq_vectors_for_cpu_disable(void); 29extern void fixup_irqs(void); 30extern void irq_force_complete_move(int); 31#endif 32 33extern void (*x86_platform_ipi_callback)(void); 34extern void native_init_IRQ(void); 35extern bool handle_irq(unsigned irq, struct pt_regs *regs); 36 37extern __visible unsigned int do_IRQ(struct pt_regs *regs); 38 39/* Interrupt vector management */ 40extern DECLARE_BITMAP(used_vectors, NR_VECTORS); 41extern int vector_used_by_percpu_irq(unsigned int vector); 42 43extern void init_ISA_irqs(void); 44 45#ifdef CONFIG_X86_LOCAL_APIC 46void arch_trigger_all_cpu_backtrace(bool); 47#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace 48#endif 49 50#endif /* _ASM_X86_IRQ_H */ 51