diff --git a/Voyager/PayLoad (Intel)/ept.h b/Voyager/PayLoad (Intel)/ept.h
new file mode 100644
index 0000000..b19b192
--- /dev/null
+++ b/Voyager/PayLoad (Intel)/ept.h	
@@ -0,0 +1,49 @@
+#pragma once
+#include "types.h"
+
+
+enum class VmxStatus : unsigned __int8 {
+	kOk = 0,                  //!< Operation succeeded
+	kErrorWithStatus = 1,     //!< Operation failed with extended status available
+	kErrorWithoutStatus = 2,  //!< Operation failed without status available
+};
+
+#define PAGE_SIZE 0x1000
+#define PAGE_SIZE2M PAGE_SIZE * 512
+#define PAGE_ALIGN(Va) ((PVOID)((ULONG_PTR)(Va) & ~(PAGE_SIZE - 1)))
+#define PAGE_ALIGN2M(Va) ((PVOID)((ULONG_PTR)(Va) & ~(PAGE_SIZE2M - 1)))
+// Contains a single steal hook information
+typedef struct HookInformation {
+	void* patch_address;  // An address where a hook is installed
+	// Physical address of the above two copied pages
+	ULONG64 pa_base_for_rw;
+	ULONG64 pa_base_for_exec;
+	bool isEnable;
+}HookInformation, * PHookInformation;
+
+// Data structure shared across all processors
+typedef struct SharedShadowHookData {
+	HookInformation hooks[MAX_HOOKS];  // Hold installed hooks
+}SharedShadowHookData, *PSharedShadowHookData;
+
+typedef struct ShadowPte
+{
+	ULONG64 pa_base_for_2m; //保存这个页表对应的2M页
+	ept_pte shadowPte[512];
+}ShadowPte,*PShadowPte;
+
+//
+// EPT entry and common fields
+//
+VmxStatus UtilInveptGlobal(ept_pointer eptPoint);
+NTSTATUS VoyagerEptAddFakePage(u64 uHookAddr, u64 uPageRead, u64 uPageExec);
+NTSTATUS VoyagerEptDelteFakePage(u64 uHookAddr);
+bool VoyagerHandleEptViolation(EptViolationQualification* eptQualification,void* fault_va);
+void changeEPTAttribute(ept_pointer eptp, guest_phys_t guest_pa, bool bCanExecute);
+void disablePageProtection(ept_pointer eptp, guest_phys_t guest_pa);
+void split_2mb_to_4kb(ept_pointer eptp, guest_phys_t guest_pa, host_phys_t host_pa);
+void merge_4kb_to_2mb(ept_pointer eptp, guest_phys_t guest_pa, host_phys_t host_pa);
+bool map_4k(ept_pointer eptp,guest_phys_t guest_pa, guest_phys_t host_pa);
+HookInformation* ShpFindPatchInfoByPage(SharedShadowHookData* shared_sh_data, void* address);
+HookInformation* ShpFindPatchInfoBy2MPage(SharedShadowHookData* shared_sh_data, void* address);
+HookInformation* ShpFindPatchInfoByAddress(SharedShadowHookData* shared_sh_data, void* address);
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