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/* $Id: SVMInternal.h $ */
/** @file
* SVM - Internal header file for the SVM code.
*/
/*
* Copyright (C) 2022-2023 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_include_SVMInternal_h
#define VMM_INCLUDED_SRC_include_SVMInternal_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/** @name SVM transient.
*
* A state structure for holding miscellaneous information across AMD-V
* VMRUN/\#VMEXIT operation, restored after the transition.
*
* @{ */
typedef struct SVMTRANSIENT
{
/** The host's rflags/eflags. */
RTCCUINTREG fEFlags;
/** The \#VMEXIT exit code (the EXITCODE field in the VMCB). */
uint64_t u64ExitCode;
/** The guest's TPR value used for TPR shadowing. */
uint8_t u8GuestTpr;
/** Alignment. */
uint8_t abAlignment0[7];
/** Pointer to the currently executing VMCB. */
PSVMVMCB pVmcb;
/** Whether we are currently executing a nested-guest. */
bool fIsNestedGuest;
/** Whether the guest debug state was active at the time of \#VMEXIT. */
bool fWasGuestDebugStateActive;
/** Whether the hyper debug state was active at the time of \#VMEXIT. */
bool fWasHyperDebugStateActive;
/** Whether the TSC offset mode needs to be updated. */
bool fUpdateTscOffsetting;
/** Whether the TSC_AUX MSR needs restoring on \#VMEXIT. */
bool fRestoreTscAuxMsr;
/** Whether the \#VMEXIT was caused by a page-fault during delivery of a
* contributary exception or a page-fault. */
bool fVectoringDoublePF;
/** Whether the \#VMEXIT was caused by a page-fault during delivery of an
* external interrupt or NMI. */
bool fVectoringPF;
/** Padding. */
bool afPadding0;
} SVMTRANSIENT;
/** Pointer to SVM transient state. */
typedef SVMTRANSIENT *PSVMTRANSIENT;
/** Pointer to a const SVM transient state. */
typedef const SVMTRANSIENT *PCSVMTRANSIENT;
AssertCompileSizeAlignment(SVMTRANSIENT, sizeof(uint64_t));
AssertCompileMemberAlignment(SVMTRANSIENT, u64ExitCode, sizeof(uint64_t));
AssertCompileMemberAlignment(SVMTRANSIENT, pVmcb, sizeof(uint64_t));
/** @} */
RT_C_DECLS_BEGIN
/* Nothing for now. */
RT_C_DECLS_END
#endif /* !VMM_INCLUDED_SRC_include_SVMInternal_h */
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