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 13 /* Even though we don't support this, supply it to appease OF */ 14 static inline void irq_dispose_mapping(unsigned int virq) { } 15 16 static inline int irq_canonicalize(int irq) 17 { 18 return ((irq == 2) ? 9 : irq); 19 } 20 21 #ifdef CONFIG_X86_32 22 extern void irq_ctx_init(int cpu); 23 #else 24 # define irq_ctx_init(cpu) do { } while (0) 25 #endif 26 27 #define __ARCH_HAS_DO_SOFTIRQ 28 29 #ifdef CONFIG_HOTPLUG_CPU 30 #include <linux/cpumask.h> 31 extern void fixup_irqs(void); 32 extern void irq_force_complete_move(int); 33 #endif 34 35 extern void (*x86_platform_ipi_callback)(void); 36 extern void native_init_IRQ(void); 37 extern bool handle_irq(unsigned irq, struct pt_regs *regs); 38 39 extern unsigned int do_IRQ(struct pt_regs *regs); 40 41 /* Interrupt vector management */ 42 extern DECLARE_BITMAP(used_vectors, NR_VECTORS); 43 extern int vector_used_by_percpu_irq(unsigned int vector); 44 45 extern void init_ISA_irqs(void); 46 47 #endif /* _ASM_X86_IRQ_H */ 48