| 1 | /** @file
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| 2 | * VMM - The Virtual Machine Monitor.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | *
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| 25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 27 | * additional information or have any questions.
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| 28 | */
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| 29 |
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| 30 | #ifndef ___VBox_vmm_h
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| 31 | #define ___VBox_vmm_h
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| 32 |
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| 33 | #include <VBox/cdefs.h>
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| 34 | #include <VBox/types.h>
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| 35 | #include <VBox/vmapi.h>
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| 36 | #include <VBox/sup.h>
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| 37 | #include <VBox/log.h>
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| 38 | #include <iprt/stdarg.h>
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| 39 |
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| 40 | RT_C_DECLS_BEGIN
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| 41 |
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| 42 | /** @defgroup grp_vmm The Virtual Machine Monitor API
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| 43 | * @{
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| 44 | */
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| 45 |
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| 46 | /**
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| 47 | * World switcher identifiers.
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| 48 | */
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| 49 | typedef enum VMMSWITCHER
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| 50 | {
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| 51 | /** The usual invalid 0. */
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| 52 | VMMSWITCHER_INVALID = 0,
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| 53 | /** Switcher for 32-bit host to 32-bit shadow paging. */
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| 54 | VMMSWITCHER_32_TO_32,
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| 55 | /** Switcher for 32-bit host paging to PAE shadow paging. */
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| 56 | VMMSWITCHER_32_TO_PAE,
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| 57 | /** Switcher for 32-bit host paging to AMD64 shadow paging. */
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| 58 | VMMSWITCHER_32_TO_AMD64,
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| 59 | /** Switcher for PAE host to 32-bit shadow paging. */
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| 60 | VMMSWITCHER_PAE_TO_32,
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| 61 | /** Switcher for PAE host to PAE shadow paging. */
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| 62 | VMMSWITCHER_PAE_TO_PAE,
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| 63 | /** Switcher for PAE host paging to AMD64 shadow paging. */
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| 64 | VMMSWITCHER_PAE_TO_AMD64,
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| 65 | /** Switcher for AMD64 host paging to 32-bit shadow paging. */
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| 66 | VMMSWITCHER_AMD64_TO_32,
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| 67 | /** Switcher for AMD64 host paging to PAE shadow paging. */
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| 68 | VMMSWITCHER_AMD64_TO_PAE,
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| 69 | /** Switcher for AMD64 host paging to AMD64 shadow paging. */
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| 70 | VMMSWITCHER_AMD64_TO_AMD64,
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| 71 | /** Used to make a count for array declarations and suchlike. */
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| 72 | VMMSWITCHER_MAX,
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| 73 | /** The usual 32-bit paranoia. */
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| 74 | VMMSWITCHER_32BIT_HACK = 0x7fffffff
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| 75 | } VMMSWITCHER;
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * VMMRZCallRing3 operations.
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| 80 | */
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| 81 | typedef enum VMMCALLRING3
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| 82 | {
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| 83 | /** Invalid operation. */
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| 84 | VMMCALLRING3_INVALID = 0,
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| 85 | /** Acquire the PDM lock. */
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| 86 | VMMCALLRING3_PDM_LOCK,
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| 87 | /** Call PDMR3QueueFlushWorker. */
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| 88 | VMMCALLRING3_PDM_QUEUE_FLUSH,
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| 89 | /** Acquire the PGM lock. */
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| 90 | VMMCALLRING3_PGM_LOCK,
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| 91 | /** Grow the PGM shadow page pool. */
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| 92 | VMMCALLRING3_PGM_POOL_GROW,
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| 93 | /** Maps a chunk into ring-3. */
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| 94 | VMMCALLRING3_PGM_MAP_CHUNK,
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| 95 | /** Allocates more handy pages. */
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| 96 | VMMCALLRING3_PGM_ALLOCATE_HANDY_PAGES,
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| 97 | /** Acquire the MM hypervisor heap lock. */
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| 98 | VMMCALLRING3_MMHYPER_LOCK,
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| 99 | /** Replay the REM handler notifications. */
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| 100 | VMMCALLRING3_REM_REPLAY_HANDLER_NOTIFICATIONS,
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| 101 | /** Flush the GC/R0 logger. */
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| 102 | VMMCALLRING3_VMM_LOGGER_FLUSH,
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| 103 | /** Set the VM error message. */
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| 104 | VMMCALLRING3_VM_SET_ERROR,
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| 105 | /** Set the VM runtime error message. */
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| 106 | VMMCALLRING3_VM_SET_RUNTIME_ERROR,
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| 107 | /** Signal a ring 0 assertion. */
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| 108 | VMMCALLRING3_VM_R0_ASSERTION,
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| 109 | /** Ring switch to force preemption. */
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| 110 | VMMCALLRING3_VM_R0_PREEMPT,
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| 111 | /** The usual 32-bit hack. */
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| 112 | VMMCALLRING3_32BIT_HACK = 0x7fffffff
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| 113 | } VMMCALLRING3;
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| 114 |
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| 115 | /**
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| 116 | * VMMR3AtomicExecuteHandler callback function.
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| 117 | *
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| 118 | * @returns VBox status code.
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| 119 | * @param pVM Pointer to the shared VM structure.
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| 120 | * @param pvUser User specified argument
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| 121 | *
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| 122 | * @todo missing prefix.
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| 123 | */
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| 124 | typedef DECLCALLBACK(int) FNATOMICHANDLER(PVM pVM, void *pvUser);
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| 125 | /** Pointer to a FNMMATOMICHANDLER(). */
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| 126 | typedef FNATOMICHANDLER *PFNATOMICHANDLER;
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| 127 |
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| 128 | /**
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| 129 | * Rendezvous callback.
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| 130 | *
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| 131 | * @returns VBox status code.
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| 132 | * @param pVM The VM handle.
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| 133 | * @param pVCpu The handle of the calling virtual CPU.
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| 134 | * @param pvUser The user argument.
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| 135 | */
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| 136 | typedef DECLCALLBACK(int) FNVMMEMTRENDEZVOUS(PVM pVM, PVMCPU pVCpu, void *pvUser);
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| 137 | /** Pointer to a rendezvous callback function. */
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| 138 | typedef FNVMMEMTRENDEZVOUS *PFNVMMEMTRENDEZVOUS;
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| 139 |
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| 140 |
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| 141 | VMMDECL(RTRCPTR) VMMGetStackRC(PVM pVM);
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| 142 | VMMDECL(VMCPUID) VMMGetCpuId(PVM pVM);
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| 143 | VMMDECL(PVMCPU) VMMGetCpu(PVM pVM);
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| 144 | VMMDECL(PVMCPU) VMMGetCpu0(PVM pVM);
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| 145 | VMMDECL(PVMCPU) VMMGetCpuById(PVM pVM, VMCPUID idCpu);
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| 146 | VMMDECL(uint32_t) VMMGetSvnRev(void);
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| 147 | VMMDECL(VMMSWITCHER) VMMGetSwitcher(PVM pVM);
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| 148 |
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| 149 | /** @def VMMIsHwVirtExtForced
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| 150 | * Checks if forced to use the hardware assisted virtualization extensions.
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| 151 | *
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| 152 | * This is intended for making setup decisions where we can save resources when
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| 153 | * using hardware assisted virtualization.
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| 154 | *
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| 155 | * @returns true / false.
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| 156 | * @param pVM Pointer to the shared VM structure.
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| 157 | */
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| 158 | #define VMMIsHwVirtExtForced(pVM) ((pVM)->fHwVirtExtForced)
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| 159 |
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| 160 |
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| 161 | #ifdef IN_RING3
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| 162 | /** @defgroup grp_vmm_r3 The VMM Host Context Ring 3 API
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| 163 | * @ingroup grp_vmm
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| 164 | * @{
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| 165 | */
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| 166 | VMMR3DECL(int) VMMR3Init(PVM pVM);
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| 167 | VMMR3DECL(int) VMMR3InitCPU(PVM pVM);
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| 168 | VMMR3DECL(int) VMMR3InitFinalize(PVM pVM);
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| 169 | VMMR3DECL(int) VMMR3InitR0(PVM pVM);
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| 170 | VMMR3DECL(int) VMMR3InitRC(PVM pVM);
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| 171 | VMMR3DECL(int) VMMR3Term(PVM pVM);
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| 172 | VMMR3DECL(int) VMMR3TermCPU(PVM pVM);
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| 173 | VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
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| 174 | VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM);
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| 175 | VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM);
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| 176 | VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM);
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| 177 | VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
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| 178 | VMMR3DECL(int) VMMR3SelectSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
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| 179 | VMMR3DECL(int) VMMR3DisableSwitcher(PVM pVM);
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| 180 | VMMR3DECL(RTR0PTR) VMMR3GetHostToGuestSwitcher(PVM pVM, VMMSWITCHER enmSwitcher);
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| 181 | VMMR3DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu);
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| 182 | VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, PVMCPU pVCpu);
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| 183 | VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...);
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| 184 | VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args);
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| 185 | VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr);
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| 186 | VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu);
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| 187 | VMMR3DECL(void) VMMR3FatalDump(PVM pVM, PVMCPU pVCpu, int rcErr);
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| 188 | VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM);
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| 189 | VMMR3DECL(void) VMMR3YieldStop(PVM pVM);
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| 190 | VMMR3DECL(void) VMMR3YieldResume(PVM pVM);
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| 191 | VMMR3DECL(void) VMMR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector);
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| 192 | VMMR3DECL(void) VMMR3SendInitIpi(PVM pVM, VMCPUID idCpu);
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| 193 | VMMR3DECL(int) VMMR3AtomicExecuteHandler(PVM pVM, PFNATOMICHANDLER pfnHandler, void *pvUser);
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| 194 | VMMR3DECL(int) VMMR3EmtRendezvous(PVM pVM, uint32_t fFlags, PFNVMMEMTRENDEZVOUS pfnRendezvous, void *pvUser);
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| 195 | /** @defgroup grp_VMMR3EmtRendezvous_fFlags VMMR3EmtRendezvous flags
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| 196 | * @{ */
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| 197 | /** Execution type mask. */
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| 198 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_MASK UINT32_C(0x00000003)
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| 199 | /** Invalid execution type. */
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| 200 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_INVALID UINT32_C(0)
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| 201 | /** Let the EMTs execute the callback one by one (in no particular order). */
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| 202 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE UINT32_C(1)
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| 203 | /** Let all the EMTs execute the callback at the same time. */
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| 204 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ALL_AT_ONCE UINT32_C(2)
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| 205 | /** Only execute the callback on one EMT (no particular one). */
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| 206 | #define VMMEMTRENDEZVOUS_FLAGS_TYPE_ONCE UINT32_C(3)
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| 207 | /** The valid flags. */
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| 208 | #define VMMEMTRENDEZVOUS_FLAGS_VALID_MASK VMMEMTRENDEZVOUS_FLAGS_TYPE_MASK
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| 209 | /** @} */
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| 210 | VMMR3DECL(void) VMMR3EmtRendezvousFF(PVM pVM, PVMCPU pVCpu);
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| 211 | VMMR3DECL(int) VMMR3ReadR0Stack(PVM pVM, VMCPUID idCpu, RTHCUINTPTR pAddress, void *pvBuf, size_t cbRead);
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| 212 | /** @} */
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| 213 | #endif /* IN_RING3 */
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| 214 |
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| 215 |
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| 216 | /** @defgroup grp_vmm_r0 The VMM Host Context Ring 0 API
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| 217 | * @ingroup grp_vmm
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| 218 | * @{
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| 219 | */
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| 220 |
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| 221 | /**
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| 222 | * The VMMR0Entry() codes.
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| 223 | */
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| 224 | typedef enum VMMR0OPERATION
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| 225 | {
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| 226 | /** Run guest context. */
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| 227 | VMMR0_DO_RAW_RUN = SUP_VMMR0_DO_RAW_RUN,
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| 228 | /** Run guest code using the available hardware acceleration technology. */
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| 229 | VMMR0_DO_HWACC_RUN = SUP_VMMR0_DO_HWACC_RUN,
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| 230 | /** Official NOP that we use for profiling. */
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| 231 | VMMR0_DO_NOP = SUP_VMMR0_DO_NOP,
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| 232 | /** Official slow iocl NOP that we use for profiling. */
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| 233 | VMMR0_DO_SLOW_NOP,
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| 234 |
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| 235 | /** Ask the GVMM to create a new VM. */
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| 236 | VMMR0_DO_GVMM_CREATE_VM,
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| 237 | /** Ask the GVMM to destroy the VM. */
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| 238 | VMMR0_DO_GVMM_DESTROY_VM,
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| 239 | /** Call GVMMR0SchedHalt(). */
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| 240 | VMMR0_DO_GVMM_SCHED_HALT,
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| 241 | /** Call GVMMR0SchedWakeUp(). */
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| 242 | VMMR0_DO_GVMM_SCHED_WAKE_UP,
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| 243 | /** Call GVMMR0SchedPoke(). */
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| 244 | VMMR0_DO_GVMM_SCHED_POKE,
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| 245 | /** Call GVMMR0SchedWakeUpAndPokeCpus(). */
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| 246 | VMMR0_DO_GVMM_SCHED_WAKE_UP_AND_POKE_CPUS,
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| 247 | /** Call GVMMR0SchedPoll(). */
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| 248 | VMMR0_DO_GVMM_SCHED_POLL,
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| 249 | /** Call GVMMR0QueryStatistics(). */
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| 250 | VMMR0_DO_GVMM_QUERY_STATISTICS,
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| 251 | /** Call GVMMR0ResetStatistics(). */
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| 252 | VMMR0_DO_GVMM_RESET_STATISTICS,
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| 253 | /** Call GVMMR0RegisterVCpu(). */
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| 254 | VMMR0_DO_GVMM_REGISTER_VMCPU,
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| 255 |
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| 256 | /** Call VMMR0 Per VM Init. */
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| 257 | VMMR0_DO_VMMR0_INIT,
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| 258 | /** Call VMMR0 Per VM Termination. */
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| 259 | VMMR0_DO_VMMR0_TERM,
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| 260 | /** Setup the hardware accelerated raw-mode session. */
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| 261 | VMMR0_DO_HWACC_SETUP_VM,
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| 262 | /** Attempt to enable or disable hardware accelerated raw-mode. */
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| 263 | VMMR0_DO_HWACC_ENABLE,
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| 264 | /** Calls function in the hypervisor.
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| 265 | * The caller must setup the hypervisor context so the call will be performed.
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| 266 | * The difference between VMMR0_DO_RUN_GC and this one is the handling of
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| 267 | * the return GC code. The return code will not be interpreted by this operation.
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| 268 | */
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| 269 | VMMR0_DO_CALL_HYPERVISOR,
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| 270 |
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| 271 | /** Call PGMR0PhysAllocateHandyPages(). */
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| 272 | VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES,
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| 273 |
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| 274 | /** Call GMMR0InitialReservation(). */
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| 275 | VMMR0_DO_GMM_INITIAL_RESERVATION,
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| 276 | /** Call GMMR0UpdateReservation(). */
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| 277 | VMMR0_DO_GMM_UPDATE_RESERVATION,
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| 278 | /** Call GMMR0AllocatePages(). */
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| 279 | VMMR0_DO_GMM_ALLOCATE_PAGES,
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| 280 | /** Call GMMR0FreePages(). */
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| 281 | VMMR0_DO_GMM_FREE_PAGES,
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| 282 | /** Call GMMR0BalloonedPages(). */
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| 283 | VMMR0_DO_GMM_BALLOONED_PAGES,
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| 284 | /** Call GMMR0DeflatedBalloon(). */
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| 285 | VMMR0_DO_GMM_DEFLATED_BALLOON,
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| 286 | /** Call GMMR0MapUnmapChunk(). */
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| 287 | VMMR0_DO_GMM_MAP_UNMAP_CHUNK,
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| 288 | /** Call GMMR0SeedChunk(). */
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| 289 | VMMR0_DO_GMM_SEED_CHUNK,
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| 290 |
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| 291 | /** Set a GVMM or GMM configuration value. */
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| 292 | VMMR0_DO_GCFGM_SET_VALUE,
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| 293 | /** Query a GVMM or GMM configuration value. */
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| 294 | VMMR0_DO_GCFGM_QUERY_VALUE,
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| 295 |
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| 296 | /** The start of the R0 service operations. */
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| 297 | VMMR0_DO_SRV_START,
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| 298 | /** Call INTNETR0Open(). */
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| 299 | VMMR0_DO_INTNET_OPEN,
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| 300 | /** Call INTNETR0IfClose(). */
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| 301 | VMMR0_DO_INTNET_IF_CLOSE,
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| 302 | /** Call INTNETR0IfGetRing3Buffer(). */
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| 303 | VMMR0_DO_INTNET_IF_GET_RING3_BUFFER,
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| 304 | /** Call INTNETR0IfSetPromiscuousMode(). */
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| 305 | VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE,
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| 306 | /** Call INTNETR0IfSetMacAddress(). */
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| 307 | VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS,
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| 308 | /** Call INTNETR0IfSetActive(). */
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| 309 | VMMR0_DO_INTNET_IF_SET_ACTIVE,
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| 310 | /** Call INTNETR0IfSend(). */
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| 311 | VMMR0_DO_INTNET_IF_SEND,
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| 312 | /** Call INTNETR0IfWait(). */
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| 313 | VMMR0_DO_INTNET_IF_WAIT,
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| 314 | /** The end of the R0 service operations. */
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| 315 | VMMR0_DO_SRV_END,
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| 316 |
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| 317 | /** Official call we use for testing Ring-0 APIs. */
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| 318 | VMMR0_DO_TESTS,
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| 319 | /** Test the 32->64 bits switcher. */
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| 320 | VMMR0_DO_TEST_SWITCHER3264,
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| 321 |
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| 322 | /** The usual 32-bit type blow up. */
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| 323 | VMMR0_DO_32BIT_HACK = 0x7fffffff
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| 324 | } VMMR0OPERATION;
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| 325 |
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| 326 |
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| 327 | /**
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| 328 | * Request buffer for VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE.
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| 329 | * @todo Move got GCFGM.h when it's implemented.
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| 330 | */
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| 331 | typedef struct GCFGMVALUEREQ
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| 332 | {
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| 333 | /** The request header.*/
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| 334 | SUPVMMR0REQHDR Hdr;
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| 335 | /** The support driver session handle. */
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| 336 | PSUPDRVSESSION pSession;
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| 337 | /** The value.
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| 338 | * This is input for the set request and output for the query. */
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| 339 | uint64_t u64Value;
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| 340 | /** The variable name.
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| 341 | * This is fixed sized just to make things simple for the mock-up. */
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| 342 | char szName[48];
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| 343 | } GCFGMVALUEREQ;
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| 344 | /** Pointer to a VMMR0_DO_GCFGM_SET_VALUE and VMMR0_DO_GCFGM_QUERY_VALUE request buffer.
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| 345 | * @todo Move got GCFGM.h when it's implemented.
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| 346 | */
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| 347 | typedef GCFGMVALUEREQ *PGCFGMVALUEREQ;
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| 348 |
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| 349 | VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg);
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| 350 | VMMR0DECL(void) VMMR0EntryFast(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation);
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| 351 | VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMCPUID idCpu, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION);
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| 352 | VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM);
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| 353 |
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| 354 | #ifdef LOG_ENABLED
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| 355 | VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu);
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| 356 | VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu);
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| 357 | #else
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| 358 | #define VMMR0LogFlushDisable(pVCpu) do { } while(0)
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| 359 | #define VMMR0LogFlushEnable(pVCpu) do { } while(0)
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| 360 | #endif
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| 361 |
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| 362 | /** @} */
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| 363 |
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| 364 |
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| 365 | #ifdef IN_RC
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| 366 | /** @defgroup grp_vmm_rc The VMM Raw-Mode Context API
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| 367 | * @ingroup grp_vmm
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| 368 | * @{
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| 369 | */
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| 370 | VMMRCDECL(int) VMMGCEntry(PVM pVM, unsigned uOperation, unsigned uArg, ...);
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| 371 | VMMRCDECL(void) VMMGCGuestToHost(PVM pVM, int rc);
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| 372 | VMMRCDECL(void) VMMGCLogFlushIfFull(PVM pVM);
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| 373 | /** @} */
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| 374 | #endif /* IN_RC */
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| 375 |
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| 376 | #if defined(IN_RC) || defined(IN_RING0)
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| 377 | /** @defgroup grp_vmm_rz The VMM Raw-Mode and Ring-0 Context API
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| 378 | * @ingroup grp_vmm
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| 379 | * @{
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| 380 | */
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| 381 | VMMRZDECL(int) VMMRZCallRing3(PVM pVM, PVMCPU pVCpu, VMMCALLRING3 enmOperation, uint64_t uArg);
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| 382 | VMMRZDECL(int) VMMRZCallRing3NoCpu(PVM pVM, VMMCALLRING3 enmOperation, uint64_t uArg);
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| 383 | VMMRZDECL(void) VMMRZCallRing3Disable(PVMCPU pVCpu);
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| 384 | VMMRZDECL(void) VMMRZCallRing3Enable(PVMCPU pVCpu);
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| 385 | VMMRZDECL(bool) VMMRZCallRing3IsEnabled(PVMCPU pVCpu);
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| 386 | /** @} */
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| 387 | #endif
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| 388 |
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| 389 |
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| 390 | /** @} */
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| 391 | RT_C_DECLS_END
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| 392 |
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| 393 | #endif
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| 394 |
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