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/* $Id: gvm.h $ */
/** @file
* GVM - The Global VM Data.
*/
/*
* Copyright (C) 2007-2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef ___VBox_vmm_gvm_h
#define ___VBox_vmm_gvm_h
#include <VBox/types.h>
#include <iprt/thread.h>
/** @defgroup grp_gvm GVMCPU - The Global VMCPU Data
* @{
*/
typedef struct GVMCPU
{
/** VCPU id (0 - (pVM->cCpus - 1). */
VMCPUID idCpu;
/** Handle to the EMT thread. */
RTNATIVETHREAD hEMT;
/** The GVMM per vcpu data. */
union
{
#ifdef ___GVMMR0Internal_h
struct GVMMPERVCPU s;
#endif
uint8_t padding[64];
} gvmm;
} GVMCPU;
/** Pointer to the GVMCPU data. */
typedef GVMCPU *PGVMCPU;
/** @} */
/** @defgroup grp_gvm GVM - The Global VM Data
* @{
*/
/**
* The Global VM Data.
*
* This is a ring-0 only structure where we put items we don't need to
* share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
*
* Unlike VM, there are no special alignment restrictions here. The
* paddings are checked by compile time assertions.
*/
typedef struct GVM
{
/** Magic / eye-catcher (GVM_MAGIC). */
uint32_t u32Magic;
/** The global VM handle for this VM. */
uint32_t hSelf;
/** The ring-0 mapping of the VM structure. */
PVM pVM;
/** Number of Virtual CPUs, i.e. how many entries there are in aCpus.
* Same same as VM::cCpus. */
uint32_t cCpus;
uint32_t padding;
/** The GVMM per vm data. */
union
{
#ifdef ___GVMMR0Internal_h
struct GVMMPERVM s;
#endif
uint8_t padding[256];
} gvmm;
/** The GMM per vm data. */
union
{
#ifdef ___GMMR0Internal_h
struct GMMPERVM s;
#endif
uint8_t padding[512];
} gmm;
/** The RAWPCIVM per vm data. */
union
{
#ifdef ___VBox_rawpci_h
struct RAWPCIPERVM s;
#endif
uint8_t padding[64];
} rawpci;
/** GVMCPU array for the configured number of virtual CPUs. */
GVMCPU aCpus[1];
} GVM;
/** The GVM::u32Magic value (Wayne Shorter). */
#define GVM_MAGIC 0x19330825
/** @} */
#endif
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