| #ifndef _ASM_X86_IRQ_H |
| #define _ASM_X86_IRQ_H |
| /* |
| * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar |
| * |
| * IRQ/IPI changes taken from work by Thomas Radke |
| * <tomsoft@informatik.tu-chemnitz.de> |
| */ |
| |
| #include <asm/apicdef.h> |
| #include <asm/irq_vectors.h> |
| |
| static inline int irq_canonicalize(int irq) |
| { |
| return ((irq == 2) ? 9 : irq); |
| } |
| |
| #ifdef CONFIG_X86_LOCAL_APIC |
| # define ARCH_HAS_NMI_WATCHDOG |
| #endif |
| |
| #ifdef CONFIG_4KSTACKS |
| extern void irq_ctx_init(int cpu); |
| extern void irq_ctx_exit(int cpu); |
| # define __ARCH_HAS_DO_SOFTIRQ |
| #else |
| # define irq_ctx_init(cpu) do { } while (0) |
| # define irq_ctx_exit(cpu) do { } while (0) |
| # ifdef CONFIG_X86_64 |
| # define __ARCH_HAS_DO_SOFTIRQ |
| # endif |
| #endif |
| |
| #ifdef CONFIG_HOTPLUG_CPU |
| #include <linux/cpumask.h> |
| extern void fixup_irqs(void); |
| #endif |
| |
| extern void (*generic_interrupt_extension)(void); |
| extern void native_init_IRQ(void); |
| extern bool handle_irq(unsigned irq, struct pt_regs *regs); |
| |
| extern unsigned int do_IRQ(struct pt_regs *regs); |
| |
| /* Interrupt vector management */ |
| extern DECLARE_BITMAP(used_vectors, NR_VECTORS); |
| extern int vector_used_by_percpu_irq(unsigned int vector); |
| |
| extern void init_ISA_irqs(void); |
| |
| #endif /* _ASM_X86_IRQ_H */ |
