--- /dev/null
+#ifndef _ARCH_X86_64_IDT_VECTORS_H
+#define _ARCH_X86_64_IDT_VECTORS_H
+
+/*
+ * Based on linux/include/asm-x86_64/hw_irq.h
+ * Original file header:
+ * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
+ * moved some of the old arch/i386/kernel/irq.h to here. VY
+ * IRQ/IPI changes taken from work by Thomas Radke
+ * <tomsoft@informatik.tu-chemnitz.de>
+ * hacked by Andi Kleen for x86-64.
+ */
+
+/**
+ * This file defines symbolic names for interrupt vectors installed in the
+ * Interrupt Descriptor Table (IDT). The IDT contains entries for 256 interrupt
+ * vectors. Vectors [0,31] are used for specific purposes defined by the x86_64
+ * architecture. Vectors [32,255] are available for external interrupts. The
+ * LWK uses a number of interrupt vectors for its own internal purposes, e.g.,
+ * inter-processor interrupts for TLB invalidations.
+ */
+
+/*
+ * [0,31] Standard x86_64 architecture vectors
+ */
+#define DIVIDE_ERROR_VECTOR 0
+#define DEBUG_VECTOR 1
+#define NMI_VECTOR 2
+#define INT3_VECTOR 3
+#define OVERFLOW_VECTOR 4
+#define BOUNDS_VECTOR 5
+#define INVALID_OP_VECTOR 6
+#define DEVICE_NOT_AVAILABLE_VECTOR 7
+#define DOUBLE_FAULT_VECTOR 8
+#define COPROC_SEGMENT_OVERRUN_VECTOR 9
+#define INVALID_TSS_VECTOR 10
+#define SEGMENT_NOT_PRESENT_VECTOR 11
+#define STACK_SEGMENT_VECTOR 12
+#define GENERAL_PROTECTION_VECTOR 13
+#define PAGE_FAULT_VECTOR 14
+#define SPURIOUS_INTERRUPT_BUG_VECTOR 15
+#define COPROCESSOR_ERROR_VECTOR 16
+#define ALIGNMENT_CHECK_VECTOR 17
+#define MACHINE_CHECK_VECTOR 18
+#define SIMD_COPROCESSOR_ERROR_VECTOR 19
+/*
+ * [20,31] Reserved by x86_64 architecture for future use
+ * [32,47] Free for use by devices
+ * [48,63] Standard ISA IRQs
+ */
+#define IRQ0_VECTOR 48
+#define IRQ1_VECTOR 49
+#define IRQ2_VECTOR 50
+#define IRQ3_VECTOR 51
+#define IRQ4_VECTOR 52
+#define IRQ5_VECTOR 53
+#define IRQ6_VECTOR 54
+#define IRQ7_VECTOR 55
+#define IRQ8_VECTOR 56
+#define IRQ9_VECTOR 57
+#define IRQ10_VECTOR 58
+#define IRQ11_VECTOR 59
+#define IRQ12_VECTOR 60
+#define IRQ13_VECTOR 61
+#define IRQ14_VECTOR 62
+#define IRQ15_VECTOR 63
+/*
+ * [64,238] Free for use by devices
+ * [239,255] Used by LWK for various internal purposes
+ */
+#define APIC_TIMER_VECTOR 239
+#define INVALIDATE_TLB_0_VECTOR 240
+#define INVALIDATE_TLB_1_VECTOR 241
+#define INVALIDATE_TLB_2_VECTOR 242
+#define INVALIDATE_TLB_3_VECTOR 243
+#define INVALIDATE_TLB_4_VECTOR 244
+#define INVALIDATE_TLB_5_VECTOR 245
+#define INVALIDATE_TLB_6_VECTOR 246
+#define INVALIDATE_TLB_7_VECTOR 247
+/* 248 is available */
+#define APIC_PERF_COUNTER_VECTOR 249
+#define APIC_THERMAL_VECTOR 250
+/* 251 is available */
+#define XCALL_FUNCTION_VECTOR 252
+#define XCALL_RESCHEDULE_VECTOR 253
+#define APIC_ERROR_VECTOR 254
+#define APIC_SPURIOUS_VECTOR 255
+
+/**
+ * Meta-defines describing the interrupt vector space defined above.
+ */
+#define NUM_IDT_ENTRIES 256
+#define FIRST_EXTERNAL_VECTOR 32
+#define FIRST_SYSTEM_VECTOR 239
+#define INVALIDATE_TLB_VECTOR_START 240
+#define INVALIDATE_TLB_VECTOR_END 247
+#define NUM_INVALIDATE_TLB_VECTORS 8
+
+#endif
