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Sources/HostNesting.h

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+/*!
+    @file HostNesting.h
+
+    @brief Incomplete nesting related code. Do not study.
+
+    @author Satoshi Tanda
+
+    @copyright Copyright (c) 2020 - , Satoshi Tanda. All rights reserved.
+ */
+#pragma once
+#include "Common.h"
+#include "Ia32.h"
+#include "HostUtils.h"
+#include "ExtendedPageTables.h"
+
+typedef enum _VMX_OPERATION
+{
+    VmxOperationNotInVmxOperation,
+    VmxOperationRoot,
+    VmxOperationNonRoot,
+} VMX_OPERATION;
+
+typedef enum _VMCS_LAUNCH_STATE
+{
+    LaunchStateUnintialized,
+    LaunchStateClear,
+    LaunchStateLaunched,
+} VMCS_LAUNCH_STATE;
+
+typedef struct _NEXTED_VMX_CONTEXT
+{
+    VMX_OPERATION VmxOperation;
+    VMCS_LAUNCH_STATE VmcsLaunchState;
+
+    //
+    // The physical address of the VMXON region (used by L1 for L2)
+    //
+    UINT64 Vmxon12Pa;
+
+    //
+    // The physical addresses of VMCSs (used by L0 for L1 and L2)
+    //
+    UINT64 Vmcs01Pa;
+    UINT64 Vmcs02Pa;
+
+    //
+    // Current VMCS from the point of view of the nested VMM (used by L1 for L2)
+    //
+    UINT64 Vmcs12Pa;
+
+    //
+    // EPT related data (used by L0 for L2)
+    //
+    EPT_CONTEXT Ept02Context;
+    EPT_PML4* EptPml4_02;
+
+    //
+    // VMCS (used by L0 for L2).
+    //
+    DECLSPEC_ALIGN(PAGE_SIZE) VMCS Vmcs02;
+} NEXTED_VMX_CONTEXT;
+
+VOID
+HandleVmx (
+    _Inout_ GUEST_CONTEXT* GuestContext,
+    _In_ UINT32 ExitReason
+    );
+
+VOID
+EmulateVmExitForL1Vmm (
+    _Inout_ GUEST_CONTEXT* GuestContext,
+    _In_ UINT32 ExitReason
+    );
+
+BOOLEAN
+IsVmExitForL1 (
+    CONST GUEST_CONTEXT* GuestContext,
+    VMX_VMEXIT_REASON VmExitReason
+    );