| 1 | /* $Id: gvm.h 28800 2010-04-27 08:22:32Z vboxsync $ */
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| 2 | /** @file
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| 3 | * GVM - The Global VM Data. (VMM)
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007 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_gvm_h
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| 29 | #define ___VBox_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 | /** @defgroup grp_gvm GVMCPU - The Global VMCPU Data
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| 35 | * @{
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| 36 | */
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| 37 |
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| 38 | typedef struct GVMCPU
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| 39 | {
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| 40 | /** VCPU id (0 - (pVM->cCpus - 1). */
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| 41 | VMCPUID idCpu;
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| 42 |
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| 43 | /** Handle to the EMT thread. */
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| 44 | RTNATIVETHREAD hEMT;
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| 45 |
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| 46 | /** The GVMM per vcpu data. */
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| 47 | union
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| 48 | {
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| 49 | #ifdef ___GVMMR0Internal_h
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| 50 | struct GVMMPERVCPU s;
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| 51 | #endif
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| 52 | uint8_t padding[64];
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| 53 | } gvmm;
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| 54 | } GVMCPU;
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| 55 | /** Pointer to the GVMCPU data. */
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| 56 | typedef GVMCPU *PGVMCPU;
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| 57 |
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| 58 | /** @} */
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| 59 |
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| 60 | /** @defgroup grp_gvm GVM - The Global VM Data
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| 61 | * @{
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| 62 | */
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| 63 |
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| 64 | /**
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| 65 | * The Global VM Data.
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| 66 | *
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| 67 | * This is a ring-0 only structure where we put items we don't need to
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| 68 | * share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
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| 69 | *
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| 70 | * Unlike VM, there are no special alignment restrictions here. The
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| 71 | * paddings are checked by compile time assertions.
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| 72 | */
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| 73 | typedef struct GVM
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| 74 | {
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| 75 | /** Magic / eye-catcher (GVM_MAGIC). */
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| 76 | uint32_t u32Magic;
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| 77 | /** The global VM handle for this VM. */
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| 78 | uint32_t hSelf;
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| 79 | /** The ring-0 mapping of the VM structure. */
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| 80 | PVM pVM;
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| 81 | /** Number of Virtual CPUs, i.e. how many entries there are in aCpus.
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| 82 | * Same same as VM::cCpus. */
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| 83 | uint32_t cCpus;
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| 84 | uint32_t padding;
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| 85 |
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| 86 | /** The GVMM per vm data. */
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| 87 | union
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| 88 | {
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| 89 | #ifdef ___GVMMR0Internal_h
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| 90 | struct GVMMPERVM s;
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| 91 | #endif
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| 92 | uint8_t padding[256];
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| 93 | } gvmm;
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| 94 |
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| 95 | /** The GMM per vm data. */
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| 96 | union
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| 97 | {
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| 98 | #ifdef ___GMMR0Internal_h
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| 99 | struct GMMPERVM s;
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| 100 | #endif
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| 101 | uint8_t padding[256];
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| 102 | } gmm;
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| 103 |
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| 104 | /** GVMCPU array for the configured number of virtual CPUs. */
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| 105 | GVMCPU aCpus[1];
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| 106 | } GVM;
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| 107 |
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| 108 | /** The GVM::u32Magic value (Wayne Shorter). */
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| 109 | #define GVM_MAGIC 0x19330825
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| 110 |
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| 111 | /** @} */
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| 112 |
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| 113 | #endif
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