1 | /* $Id: gvm.h 69475 2017-10-28 13:12:42Z 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) 2007-2017 Oracle Corporation
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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 |
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27 |
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28 | #ifndef ___VBox_vmm_gvm_h
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29 | #define ___VBox_vmm_gvm_h
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30 |
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31 | #include <VBox/types.h>
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32 | #include <iprt/thread.h>
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33 |
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34 |
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35 | /** @defgroup grp_gvmcpu GVMCPU - The Global VMCPU Data
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36 | * @ingroup grp_vmm
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37 | * @{
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38 | */
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39 |
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40 | typedef struct GVMCPU
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41 | {
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42 | /** VCPU id (0 - (pVM->cCpus - 1). */
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43 | VMCPUID idCpu;
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44 |
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45 | /** Handle to the EMT thread. */
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46 | RTNATIVETHREAD hEMT;
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47 |
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48 | /** The GVMM per vcpu data. */
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49 | union
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50 | {
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51 | #ifdef ___GVMMR0Internal_h
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52 | struct GVMMPERVCPU s;
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53 | #endif
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54 | uint8_t padding[64];
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55 | } gvmm;
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56 | } GVMCPU;
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57 | /** Pointer to the GVMCPU data. */
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58 | typedef GVMCPU *PGVMCPU;
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59 |
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60 | /** @} */
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61 |
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62 | /** @defgroup grp_gvm GVM - The Global VM Data
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63 | * @ingroup grp_vmm
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64 | * @{
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65 | */
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66 |
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67 | /**
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68 | * The Global VM Data.
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69 | *
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70 | * This is a ring-0 only structure where we put items we don't need to
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71 | * share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
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72 | *
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73 | * Unlike VM, there are no special alignment restrictions here. The
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74 | * paddings are checked by compile time assertions.
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75 | */
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76 | typedef struct GVM
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77 | {
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78 | /** Magic / eye-catcher (GVM_MAGIC). */
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79 | uint32_t u32Magic;
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80 | /** The global VM handle for this VM. */
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81 | uint32_t hSelf;
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82 | /** The ring-0 mapping of the VM structure. */
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83 | PVM pVM;
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84 | /** The support driver session the VM is associated with. */
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85 | PSUPDRVSESSION pSession;
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86 | /** Number of Virtual CPUs, i.e. how many entries there are in aCpus.
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87 | * Same same as VM::cCpus. */
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88 | uint32_t cCpus;
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89 | uint32_t padding;
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90 |
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91 | /** The GVMM per vm data. */
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92 | union
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93 | {
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94 | #ifdef ___GVMMR0Internal_h
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95 | struct GVMMPERVM s;
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96 | #endif
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97 | uint8_t padding[256];
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98 | } gvmm;
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99 |
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100 | /** The GMM per vm data. */
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101 | union
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102 | {
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103 | #ifdef ___GMMR0Internal_h
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104 | struct GMMPERVM s;
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105 | #endif
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106 | uint8_t padding[512];
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107 | } gmm;
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108 |
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109 | /** The RAWPCIVM per vm data. */
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110 | union
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111 | {
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112 | #ifdef ___VBox_rawpci_h
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113 | struct RAWPCIPERVM s;
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114 | #endif
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115 | uint8_t padding[64];
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116 | } rawpci;
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117 |
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118 |
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119 | /** GVMCPU array for the configured number of virtual CPUs. */
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120 | GVMCPU aCpus[1];
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121 | } GVM;
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122 |
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123 | /** The GVM::u32Magic value (Wayne Shorter). */
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124 | #define GVM_MAGIC 0x19330825
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125 |
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126 | /** @} */
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127 |
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128 | #endif
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129 |
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