| 1 | /* $Id: SVMInternal.h 106061 2024-09-16 14:03:52Z vboxsync $ */
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| 2 | /** @file
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| 3 | * SVM - Internal header file for the SVM code.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2022-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef VMM_INCLUDED_SRC_include_SVMInternal_h
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| 29 | #define VMM_INCLUDED_SRC_include_SVMInternal_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | /** @name SVM transient.
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| 35 | *
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| 36 | * A state structure for holding miscellaneous information across AMD-V
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| 37 | * VMRUN/\#VMEXIT operation, restored after the transition.
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| 38 | *
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| 39 | * @{ */
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| 40 | typedef struct SVMTRANSIENT
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| 41 | {
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| 42 | /** The host's rflags/eflags. */
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| 43 | RTCCUINTREG fEFlags;
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| 44 | /** The \#VMEXIT exit code (the EXITCODE field in the VMCB). */
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| 45 | uint64_t u64ExitCode;
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| 46 |
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| 47 | /** The guest's TPR value used for TPR shadowing. */
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| 48 | uint8_t u8GuestTpr;
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| 49 | /** Alignment. */
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| 50 | uint8_t abAlignment0[7];
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| 51 |
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| 52 | /** Pointer to the currently executing VMCB. */
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| 53 | PSVMVMCB pVmcb;
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| 54 |
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| 55 | /** Whether we are currently executing a nested-guest. */
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| 56 | bool fIsNestedGuest;
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| 57 | /** Whether the guest debug state was active at the time of \#VMEXIT. */
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| 58 | bool fWasGuestDebugStateActive;
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| 59 | /** Whether the hyper debug state was active at the time of \#VMEXIT. */
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| 60 | bool fWasHyperDebugStateActive;
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| 61 | /** Whether the TSC offset mode needs to be updated. */
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| 62 | bool fUpdateTscOffsetting;
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| 63 | /** Whether the TSC_AUX MSR needs restoring on \#VMEXIT. */
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| 64 | bool fRestoreTscAuxMsr;
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| 65 | /** Whether the \#VMEXIT was caused by a page-fault during delivery of a
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| 66 | * contributary exception or a page-fault. */
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| 67 | bool fVectoringDoublePF;
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| 68 | /** Whether the \#VMEXIT was caused by a page-fault during delivery of an
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| 69 | * external interrupt or NMI. */
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| 70 | bool fVectoringPF;
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| 71 | /** Padding. */
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| 72 | bool afPadding0;
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| 73 | } SVMTRANSIENT;
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| 74 | /** Pointer to SVM transient state. */
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| 75 | typedef SVMTRANSIENT *PSVMTRANSIENT;
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| 76 | /** Pointer to a const SVM transient state. */
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| 77 | typedef const SVMTRANSIENT *PCSVMTRANSIENT;
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| 78 |
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| 79 | AssertCompileSizeAlignment(SVMTRANSIENT, sizeof(uint64_t));
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| 80 | AssertCompileMemberAlignment(SVMTRANSIENT, u64ExitCode, sizeof(uint64_t));
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| 81 | AssertCompileMemberAlignment(SVMTRANSIENT, pVmcb, sizeof(uint64_t));
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| 82 | /** @} */
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| 83 |
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| 84 | RT_C_DECLS_BEGIN
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| 85 | /* Nothing for now. */
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| 86 | RT_C_DECLS_END
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| 87 |
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| 88 | #endif /* !VMM_INCLUDED_SRC_include_SVMInternal_h */
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| 89 |
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