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Diffstat (limited to 'src/VBox/VMM/include/SVMInternal.h')
-rw-r--r-- | src/VBox/VMM/include/SVMInternal.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/VBox/VMM/include/SVMInternal.h b/src/VBox/VMM/include/SVMInternal.h new file mode 100644 index 00000000..dea27c9b --- /dev/null +++ b/src/VBox/VMM/include/SVMInternal.h @@ -0,0 +1,89 @@ +/* $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 */ + |