| 1 | /* $Id: gvm.h 8155 2008-04-18 15:16:47Z vboxsync $ */
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| 2 | /** @file
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| 3 | * GVM - The Global VM Data.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | *
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| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 28 | * additional information or have any questions.
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| 29 | */
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| 30 |
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| 31 |
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| 32 | #ifndef ___VBox_gvm_h
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| 33 | #define ___VBox_gvm_h
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| 34 |
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| 35 | #include <VBox/types.h>
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| 36 | #include <iprt/thread.h>
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| 37 |
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| 38 |
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| 39 | /** @defgroup grp_gvm GVM - The Global VM Data
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| 40 | * @{
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| 41 | */
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| 42 |
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| 43 | /**
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| 44 | * The Global VM Data.
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| 45 | *
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| 46 | * This is a ring-0 only structure where we put items we don't need to
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| 47 | * share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
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| 48 | *
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| 49 | * Unlike VM, there are no special alignment restrictions here. The
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| 50 | * paddings are checked by compile time assertions.
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| 51 | */
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| 52 | typedef struct GVM
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| 53 | {
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| 54 | /** Magic / eye-catcher (GVM_MAGIC). */
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| 55 | uint32_t u32Magic;
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| 56 | /** The global VM handle for this VM. */
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| 57 | uint32_t hSelf;
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| 58 | /** Handle to the EMT thread. */
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| 59 | RTNATIVETHREAD hEMT;
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| 60 | /** The ring-0 mapping of the VM structure. */
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| 61 | PVM pVM;
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| 62 |
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| 63 | /** The GVMM per vm data. */
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| 64 | struct
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| 65 | {
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| 66 | #ifdef ___GVMMR0Internal_h
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| 67 | struct GVMMPERVM s;
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| 68 | #endif
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| 69 | uint8_t padding[256];
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| 70 | } gvmm;
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| 71 |
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| 72 | /** The GMM per vm data. */
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| 73 | struct
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| 74 | {
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| 75 | #ifdef ___GMMR0Internal_h
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| 76 | struct GMMPERVM s;
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| 77 | #endif
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| 78 | uint8_t padding[256];
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| 79 | } gmm;
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| 80 |
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| 81 | } GVM;
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| 82 |
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| 83 | /** The GVM::u32Magic value (Wayne Shorter). */
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| 84 | #define GVM_MAGIC 0x19330825
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| 85 |
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| 86 | /** @} */
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| 87 |
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| 88 | #endif
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