1 #ifndef _ASM_IRQ_H 2 #define _ASM_IRQ_H 3 4 /* 5 * linux/include/asm/irq.h 6 * 7 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar 8 * 9 * IRQ/IPI changes taken from work by Thomas Radke 10 * <tomsoft (at) informatik.tu-chemnitz.de> 11 */ 12 13 #include <linux/sched.h> 14 /* include comes from machine specific directory */ 15 #include "irq_vectors.h" 16 #include <asm/thread_info.h> 17 18 static __inline__ int irq_canonicalize(int irq) 19 { 20 return ((irq == 2) ? 9 : irq); 21 } 22 23 #ifdef CONFIG_X86_LOCAL_APIC 24 # define ARCH_HAS_NMI_WATCHDOG /* See include/linux/nmi.h */ 25 #endif 26 27 #ifdef CONFIG_4KSTACKS 28 extern void irq_ctx_init(int cpu); 29 extern void irq_ctx_exit(int cpu); 30 # define __ARCH_HAS_DO_SOFTIRQ 31 #else 32 # define irq_ctx_init(cpu) do { } while (0) 33 # define irq_ctx_exit(cpu) do { } while (0) 34 #endif 35 36 #ifdef CONFIG_IRQBALANCE 37 extern int irqbalance_disable(char *str); 38 #endif 39 40 #ifdef CONFIG_HOTPLUG_CPU 41 extern void fixup_irqs(cpumask_t map); 42 #endif 43 44 unsigned int do_IRQ(struct pt_regs *regs); 45 void init_IRQ(void); 46 void __init native_init_IRQ(void); 47 48 /* Interrupt vector management */ 49 extern DECLARE_BITMAP(used_vectors, NR_VECTORS); 50 51 #endif /* _ASM_IRQ_H */ 52
