#ifndef _ASM_X86_IRQ_VECTORS_H

#define _ASM_X86_IRQ_VECTORS_H

#include <linux/threads.h>

#define NMI_VECTOR		0x02

/*

 * IDT vectors usable for external interrupt sources start

 * at 0x20:

 */

#define FIRST_EXTERNAL_VECTOR	0x20

#ifdef CONFIG_X86_32

# define SYSCALL_VECTOR		0x80

#else

# define IA32_SYSCALL_VECTOR	0x80

#endif

/*

 * Reserve the lowest usable priority level 0x20 - 0x2f for triggering

 * cleanup after irq migration.

 */

#define IRQ_MOVE_CLEANUP_VECTOR	FIRST_EXTERNAL_VECTOR

/*

 * Vectors 0x30-0x3f are used for ISA interrupts.

 */

#define IRQ0_VECTOR		(FIRST_EXTERNAL_VECTOR + 0x10)

#define IRQ1_VECTOR		(IRQ0_VECTOR + 1)

#define IRQ2_VECTOR		(IRQ0_VECTOR + 2)

#define IRQ3_VECTOR		(IRQ0_VECTOR + 3)

#define IRQ4_VECTOR		(IRQ0_VECTOR + 4)

#define IRQ5_VECTOR		(IRQ0_VECTOR + 5)

#define IRQ6_VECTOR		(IRQ0_VECTOR + 6)

#define IRQ7_VECTOR		(IRQ0_VECTOR + 7)

#define IRQ8_VECTOR		(IRQ0_VECTOR + 8)

#define IRQ9_VECTOR		(IRQ0_VECTOR + 9)

#define IRQ10_VECTOR		(IRQ0_VECTOR + 10)

#define IRQ11_VECTOR		(IRQ0_VECTOR + 11)

#define IRQ12_VECTOR		(IRQ0_VECTOR + 12)

#define IRQ13_VECTOR		(IRQ0_VECTOR + 13)

#define IRQ14_VECTOR		(IRQ0_VECTOR + 14)

#define IRQ15_VECTOR		(IRQ0_VECTOR + 15)

/*

 * Special IRQ vectors used by the SMP architecture, 0xf0-0xff

 *

 *  some of the following vectors are 'rare', they are merged

 *  into a single vector (CALL_FUNCTION_VECTOR) to save vector space.

 *  TLB, reschedule and local APIC vectors are performance-critical.

 *

 *  Vectors 0xf0-0xfa are free (reserved for future Linux use).

 */

#ifdef CONFIG_X86_32

# define SPURIOUS_APIC_VECTOR		0xff

# define ERROR_APIC_VECTOR		0xfe

# define INVALIDATE_TLB_VECTOR		0xfd

# define RESCHEDULE_VECTOR		0xfc

# define CALL_FUNCTION_VECTOR		0xfb

# define CALL_FUNCTION_SINGLE_VECTOR	0xfa

# define THERMAL_APIC_VECTOR		0xf0

#else

#define SPURIOUS_APIC_VECTOR		0xff

#define ERROR_APIC_VECTOR		0xfe

#define RESCHEDULE_VECTOR		0xfd

#define CALL_FUNCTION_VECTOR		0xfc

#define CALL_FUNCTION_SINGLE_VECTOR	0xfb

#define THERMAL_APIC_VECTOR		0xfa

#define THRESHOLD_APIC_VECTOR		0xf9

#define UV_BAU_MESSAGE			0xf8

#define INVALIDATE_TLB_VECTOR_END	0xf7

#define INVALIDATE_TLB_VECTOR_START	0xf0	/* f0-f7 used for TLB flush */

#define NUM_INVALIDATE_TLB_VECTORS	8

#endif

/*

 * Local APIC timer IRQ vector is on a different priority level,

 * to work around the 'lost local interrupt if more than 2 IRQ

 * sources per level' errata.

 */

#define LOCAL_TIMER_VECTOR	0xef

/*

 * First APIC vector available to drivers: (vectors 0x30-0xee) we

 * start at 0x31(0x41) to spread out vectors evenly between priority

 * levels. (0x80 is the syscall vector)

 */

#define FIRST_DEVICE_VECTOR	(IRQ15_VECTOR + 2)

#define NR_VECTORS		256

#define FPU_IRQ			13

#define	FIRST_VM86_IRQ		3

#define LAST_VM86_IRQ		15

#define invalid_vm86_irq(irq)	((irq) < 3 || (irq) > 15)

#if defined(CONFIG_X86_IO_APIC) && !defined(CONFIG_X86_VOYAGER)

# if NR_CPUS < MAX_IO_APICS

#  define NR_IRQS (NR_VECTORS + (32 * NR_CPUS))

# else

#  define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))

# endif

#elif defined(CONFIG_X86_VOYAGER)

# define NR_IRQS		224

#else /* IO_APIC || VOYAGER */

# define NR_IRQS		16

#endif

/* Voyager specific defines */

/* These define the CPIs we use in linux */

#define VIC_CPI_LEVEL0			0

#define VIC_CPI_LEVEL1			1

/* now the fake CPIs */

#define VIC_TIMER_CPI			2

#define VIC_INVALIDATE_CPI		3

#define VIC_RESCHEDULE_CPI		4

#define VIC_ENABLE_IRQ_CPI		5

#define VIC_CALL_FUNCTION_CPI		6

#define VIC_CALL_FUNCTION_SINGLE_CPI	7

/* Now the QIC CPIs:  Since we don't need the two initial levels,

 * these are 2 less than the VIC CPIs */

#define QIC_CPI_OFFSET			1

#define QIC_TIMER_CPI			(VIC_TIMER_CPI - QIC_CPI_OFFSET)

#define QIC_INVALIDATE_CPI		(VIC_INVALIDATE_CPI - QIC_CPI_OFFSET)

#define QIC_RESCHEDULE_CPI		(VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET)

#define QIC_ENABLE_IRQ_CPI		(VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET)

#define QIC_CALL_FUNCTION_CPI		(VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET)

#define QIC_CALL_FUNCTION_SINGLE_CPI	(VIC_CALL_FUNCTION_SINGLE_CPI - QIC_CPI_OFFSET)

#define VIC_START_FAKE_CPI		VIC_TIMER_CPI

#define VIC_END_FAKE_CPI		VIC_CALL_FUNCTION_SINGLE_CPI

/* this is the SYS_INT CPI. */

#define VIC_SYS_INT			8

#define VIC_CMN_INT			15

/* This is the boot CPI for alternate processors.  It gets overwritten

 * by the above once the system has activated all available processors */

#define VIC_CPU_BOOT_CPI		VIC_CPI_LEVEL0

#define VIC_CPU_BOOT_ERRATA_CPI		(VIC_CPI_LEVEL0 + 8)

#endif /* _ASM_X86_IRQ_VECTORS_H */