diff options
| author | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
|---|---|---|
| committer | Michael J. Chudobiak <mjc@avtechpulse.com> | 2016-04-25 10:00:44 -0400 |
| commit | a1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch) | |
| tree | c34b2311e37ea31db153c90cb8f4570374d05e78 /linux/arch/x86/include/asm/irq.h | |
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/arch/x86/include/asm/irq.h')
| -rw-r--r-- | linux/arch/x86/include/asm/irq.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/linux/arch/x86/include/asm/irq.h b/linux/arch/x86/include/asm/irq.h new file mode 100644 index 00000000..a80cbb88 --- /dev/null +++ b/linux/arch/x86/include/asm/irq.h @@ -0,0 +1,50 @@ +#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_32 +extern void irq_ctx_init(int cpu); +#else +# define irq_ctx_init(cpu) do { } while (0) +#endif + +#define __ARCH_HAS_DO_SOFTIRQ + +#ifdef CONFIG_HOTPLUG_CPU +#include <linux/cpumask.h> +extern int check_irq_vectors_for_cpu_disable(void); +extern void fixup_irqs(void); +extern void irq_force_complete_move(int); +#endif + +extern void (*x86_platform_ipi_callback)(void); +extern void native_init_IRQ(void); +extern bool handle_irq(unsigned irq, struct pt_regs *regs); + +extern __visible 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); + +#ifdef CONFIG_X86_LOCAL_APIC +void arch_trigger_all_cpu_backtrace(bool); +#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace +#endif + +#endif /* _ASM_X86_IRQ_H */ |