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diff --git a/src/VBox/VMM/VMMR0/HMSVMR0.h b/src/VBox/VMM/VMMR0/HMSVMR0.h
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+/* $Id: HMSVMR0.h $ */
+/** @file
+ * HM SVM (AMD-V) - Internal header file.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VMM_INCLUDED_SRC_VMMR0_HMSVMR0_h
+#define VMM_INCLUDED_SRC_VMMR0_HMSVMR0_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/cdefs.h>
+#include <VBox/types.h>
+#include <VBox/vmm/hm.h>
+#include <VBox/vmm/hm_svm.h>
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_svm_int Internal
+ * @ingroup grp_svm
+ * @internal
+ * @{
+ */
+
+#ifdef IN_RING0
+
+VMMR0DECL(int) SVMR0GlobalInit(void);
+VMMR0DECL(void) SVMR0GlobalTerm(void);
+VMMR0DECL(int) SVMR0Enter(PVMCPUCC pVCpu);
+VMMR0DECL(void) SVMR0ThreadCtxCallback(RTTHREADCTXEVENT enmEvent, PVMCPUCC pVCpu, bool fGlobalInit);
+VMMR0DECL(int) SVMR0AssertionCallback(PVMCPUCC pVCpu);
+VMMR0DECL(int) SVMR0EnableCpu(PHMPHYSCPU pHostCpu, PVMCC pVM, void *pvPageCpu, RTHCPHYS HCPhysCpuPage,
+ bool fEnabledBySystem, PCSUPHWVIRTMSRS pHwvirtMsrs);
+VMMR0DECL(int) SVMR0DisableCpu(PHMPHYSCPU pHostCpu, void *pvPageCpu, RTHCPHYS pPageCpuPhys);
+VMMR0DECL(int) SVMR0InitVM(PVMCC pVM);
+VMMR0DECL(int) SVMR0TermVM(PVMCC pVM);
+VMMR0DECL(int) SVMR0SetupVM(PVMCC pVM);
+VMMR0DECL(VBOXSTRICTRC) SVMR0RunGuestCode(PVMCPUCC pVCpu);
+VMMR0DECL(int) SVMR0ExportHostState(PVMCPUCC pVCpu);
+VMMR0DECL(int) SVMR0ImportStateOnDemand(PVMCPUCC pVCpu, uint64_t fWhat);
+VMMR0DECL(int) SVMR0InvalidatePage(PVMCPUCC pVCpu, RTGCPTR GCVirt);
+VMMR0DECL(int) SVMR0GetExitAuxInfo(PVMCPUCC pVCpu, PSVMEXITAUX pSvmExitAux);
+
+/**
+ * Executes INVLPGA.
+ *
+ * @param GCVirt Virtual page to invalidate.
+ * @param u32ASID Tagged TLB id.
+ */
+DECLASM(void) SVMR0InvlpgA(RTGCPTR GCVirt, uint32_t u32ASID);
+
+#endif /* IN_RING0 */
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !VMM_INCLUDED_SRC_VMMR0_HMSVMR0_h */
+