#ifndef _ASM_IRQ_H

#define _ASM_IRQ_H

/*

 *	linux/include/asm/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>

 */

#define TIMER_IRQ 0

/*

 * 16 8259A IRQ's, 208 potential APIC interrupt sources.

 * Right now the APIC is mostly only used for SMP.

 * 256 vectors is an architectural limit. (we can have

 * more than 256 devices theoretically, but they will

 * have to use shared interrupts)

 * Since vectors 0x00-0x1f are used/reserved for the CPU,

 * the usable vector space is 0x20-0xff (224 vectors)

 */

/*

 * The maximum number of vectors supported by x86_64 processors

 * is limited to 256. For processors other than x86_64, NR_VECTORS

 * should be changed accordingly.

 */

#define NR_VECTORS 256

/* duplicated in hw_irq.h */

#define FIRST_SYSTEM_VECTOR	0xef

#ifdef CONFIG_PCI_MSI

#define NR_IRQS FIRST_SYSTEM_VECTOR

#define NR_IRQ_VECTORS NR_IRQS

#else

#define NR_IRQS 224

#define NR_IRQ_VECTORS (32 * NR_CPUS)

#endif

static __inline__ int irq_canonicalize(int irq)

{

	return ((irq == 2) ? 9 : irq);

}

#ifdef CONFIG_X86_LOCAL_APIC

#define ARCH_HAS_NMI_WATCHDOG		/* See include/linux/nmi.h */

#endif

#ifdef CONFIG_HOTPLUG_CPU

#include <linux/cpumask.h>

extern void fixup_irqs(cpumask_t map);

#endif

#define __ARCH_HAS_DO_SOFTIRQ 1

#endif /* _ASM_IRQ_H */