projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1965aae3 PA |
1 | #ifndef _ASM_X86_IRQ_H |
| 2 | #define _ASM_X86_IRQ_H | |
| 22067d45 TG |
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 | static inline int irq_canonicalize(int irq) | |
| 14 | { | |
| 15 | return ((irq == 2) ? 9 : irq); | |
| 16 | } | |
| 17 | ||
| 18 | #ifdef CONFIG_X86_LOCAL_APIC | |
| 19 | # define ARCH_HAS_NMI_WATCHDOG | |
| 20 | #endif | |
| 21 | ||
| 22 | #ifdef CONFIG_4KSTACKS | |
| 23 | extern void irq_ctx_init(int cpu); | |
| 24 | extern void irq_ctx_exit(int cpu); | |
| 25 | # define __ARCH_HAS_DO_SOFTIRQ | |
| 96a388de | 26 | #else |
| 22067d45 TG |
27 | # define irq_ctx_init(cpu) do { } while (0) |
| 28 | # define irq_ctx_exit(cpu) do { } while (0) | |
| 29 | # ifdef CONFIG_X86_64 | |
| 30 | # define __ARCH_HAS_DO_SOFTIRQ | |
| 31 | # endif | |
| 32 | #endif | |
| 33 | ||
| 22067d45 TG |
34 | #ifdef CONFIG_HOTPLUG_CPU |
| 35 | #include <linux/cpumask.h> | |
| d7b381bb | 36 | extern void fixup_irqs(void); |
| 96a388de | 37 | #endif |
| 22067d45 | 38 | |
| acaabe79 | 39 | extern void (*generic_interrupt_extension)(void); |
| 22067d45 TG |
40 | extern void init_IRQ(void); |
| 41 | extern void native_init_IRQ(void); | |
| 9b2b76a3 | 42 | extern bool handle_irq(unsigned irq, struct pt_regs *regs); |
| 22067d45 | 43 | |
| 7c1d7cdc JF |
44 | extern unsigned int do_IRQ(struct pt_regs *regs); |
| 45 | ||
| 22067d45 TG |
46 | /* Interrupt vector management */ |
| 47 | extern DECLARE_BITMAP(used_vectors, NR_VECTORS); | |
| b77b881f | 48 | extern int vector_used_by_percpu_irq(unsigned int vector); |
| 22067d45 | 49 | |
| 1965aae3 | 50 | #endif /* _ASM_X86_IRQ_H */ |