[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / irq.h

#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

struct irq_desc;

#ifdef CONFIG_HOTPLUG_CPU
#include <linux/cpumask.h>
extern int check_irq_vectors_for_cpu_disable(void);
extern void fixup_irqs(void);
#endif

#ifdef CONFIG_HAVE_KVM
extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
#endif

extern void (*x86_platform_ipi_callback)(void);
extern void native_init_IRQ(void);

extern bool handle_irq(struct irq_desc *desc, 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_cpumask_backtrace(const struct cpumask *mask,
				    bool exclude_self);
#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
#endif

#endif /* _ASM_X86_IRQ_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_IRQ_H
1965aae3 PA	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
7974891d CH	18	#ifdef CONFIG_X86_32
7974891d CH	19	extern void irq_ctx_init(int cpu);
96a388de	20	#else
22067d45	21	# define irq_ctx_init(cpu) do { } while (0)
22067d45 TG	22	#endif
22067d45 TG	23
7974891d CH	24	#define __ARCH_HAS_DO_SOFTIRQ
7974891d CH	25
90a2282e TG	26	struct irq_desc;
90a2282e TG	27
22067d45 TG	28	#ifdef CONFIG_HOTPLUG_CPU
22067d45 TG	29	#include <linux/cpumask.h>
da6139e4	30	extern int check_irq_vectors_for_cpu_disable(void);
d7b381bb	31	extern void fixup_irqs(void);
96a388de	32	#endif
22067d45	33
f6b3c72c FW	34	#ifdef CONFIG_HAVE_KVM
	35	extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
	36	#endif
	37
4a4de9c7	38	extern void (*x86_platform_ipi_callback)(void);
22067d45	39	extern void native_init_IRQ(void);
a782a7e4	40
a782a7e4	41	extern bool handle_irq(struct irq_desc desc, struct pt_regs regs);
22067d45	42
1d9090e2	43	extern __visible unsigned int do_IRQ(struct pt_regs *regs);
7c1d7cdc	44
22067d45 TG	45	/* Interrupt vector management */
22067d45 TG	46	extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
b77b881f	47	extern int vector_used_by_percpu_irq(unsigned int vector);
22067d45	48
d9112f43 TG	49	extern void init_ISA_irqs(void);
d9112f43 TG	50
b52e0a7c	51	#ifdef CONFIG_X86_LOCAL_APIC
9a01c3ed CM	52	void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
	53	bool exclude_self);
	54	#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
b52e0a7c ML	55	#endif
b52e0a7c ML	56
1965aae3	57	#endif /* _ASM_X86_IRQ_H */