gvm.h revision d14b45df33b70c47b6eab2507de958c04711f38c
/* $Id$ */
/** @file
* GVM - The Global VM Data.
*/
/*
* Copyright (C) 2007 InnoTek Systemberatung GmbH
*
* 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 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.
*
*/
#ifndef ___VBox_gvm_h
#define ___VBox_gvm_h
#include <VBox/types.h>
#include <iprt/thread.h>
/** @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;
/** Handle to the EMT thread. */
RTNATIVETHREAD hEMT;
/** The ring-0 mapping of the VM structure. */
PVM pVM;
/** The GVMM per vm data. */
struct
{
#ifdef ___GVMMR0Internal_h
struct GVMMPERVM s;
#endif
uint8_t padding[64];
} gvmm;
/** The GMM per vm data. */
struct
{
#ifdef ___GMMR0Internal_h
struct GMMPERVM s;
#endif
uint8_t padding[64];
} gmm;
} GVM;
/** The GVM::u32Magic value (Wayne Shorter). */
#define GVM_MAGIC 0x19330825
/** @} */
#endif