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/* $Revision: 57546 $ */
/** @file
* VBoxGuestLibR0 - System dependent helpers internal header.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
#ifndef __VBoxGuestLib_SysHlp_h
#define __VBoxGuestLib_SysHlp_h
#ifdef RT_OS_WINDOWS
# if (_MSC_VER >= 1400) && !defined(VBOX_WITH_PATCHED_DDK)
# include <iprt/asm.h>
# define _InterlockedExchange _InterlockedExchange_StupidDDKVsCompilerCrap
# define _InterlockedExchangeAdd _InterlockedExchangeAdd_StupidDDKVsCompilerCrap
# define _InterlockedCompareExchange _InterlockedCompareExchange_StupidDDKVsCompilerCrap
# define _InterlockedAddLargeStatistic _InterlockedAddLargeStatistic_StupidDDKVsCompilerCrap
# pragma warning(disable : 4163)
RT_C_DECLS_BEGIN
# include <ntddk.h>
RT_C_DECLS_END
# pragma warning(default : 4163)
# undef _InterlockedExchange
# undef _InterlockedExchangeAdd
# undef _InterlockedCompareExchange
# undef _InterlockedAddLargeStatistic
# else
RT_C_DECLS_BEGIN
# include <ntddk.h>
RT_C_DECLS_END
# endif
/* XP DDK #defines ExFreePool to ExFreePoolWithTag. The latter does not exist on NT4, so...
* The same for ExAllocatePool.
*/
#undef ExAllocatePool
#undef ExFreePool
#endif
typedef struct _VBGLDRIVER
{
#ifdef RT_OS_WINDOWS
PDEVICE_OBJECT pDeviceObject;
PFILE_OBJECT pFileObject;
#elif defined (RT_OS_OS2)
uint32_t u32Session; /**< just for sanity checking. */
#else /* PORTME */
void *pvOpaque;
#endif
} VBGLDRIVER;
int vbglLockLinear (void **ppvCtx, void *pv, uint32_t u32Size, bool fWriteAccess, uint32_t fFlags);
void vbglUnlockLinear (void *pvCtx, void *pv, uint32_t u32Size);
#ifndef VBGL_VBOXGUEST
/**
* Open VBoxGuest driver.
*
* @param pDriver Pointer to the driver structure.
*
* @return VBox error code
*/
int vbglDriverOpen (VBGLDRIVER *pDriver);
/**
* Call VBoxGuest driver.
*
* @param pDriver Pointer to the driver structure.
* @param u32Function Function code.
* @param pvData Pointer to supplied in/out data buffer.
* @param cbData Size of data buffer.
*
* @return VBox error code
*/
int vbglDriverIOCtl (VBGLDRIVER *pDriver, uint32_t u32Function, void *pvData, uint32_t cbData);
/**
* Close VBoxGuest driver.
*
* @param pDriver Pointer to the driver structure.
*
* @return VBox error code
*/
void vbglDriverClose (VBGLDRIVER *pDriver);
#endif
#endif /* !__VBoxGuestLib_SysHlp_h */
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