SysHlp.h revision e237c01e391f63ff290fa81d3e52776571c8b01c
/** @file
*
* VBoxGuestLib - A support library for VirtualBox guest additions:
* System dependent helpers internal header
*/
/*
* Copyright (C) 2006-2007 innotek 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.
*
* If you received this file as part of a commercial VirtualBox
* distribution, then only the terms of your commercial VirtualBox
* license agreement apply instead of the previous paragraph.
*/
#ifndef __SYSHLP__H
#define __SYSHLP__H
#ifdef __WIN__
# 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
__BEGIN_DECLS
# include <ntddk.h>
__END_DECLS
# undef _InterlockedExchange
# undef _InterlockedExchangeAdd
# undef _InterlockedCompareExchange
# undef _InterlockedAddLargeStatistic
# else
__BEGIN_DECLS
# include <ntddk.h>
__END_DECLS
# endif
/* XP DDK #defines ExFreePool to ExFreePoolWithTag. The latter does not exist on NT4, so... */
#undef ExFreePool
#endif
typedef struct _VBGLDRIVER
{
#ifdef __WIN__
PDEVICE_OBJECT pDeviceObject;
PFILE_OBJECT pFileObject;
#else /* !__WIN__ */
void *opaque;
#endif /* !__WIN__ */
} VBGLDRIVER;
int vbglLockLinear (void **ppvCtx, void *pv, uint32_t u32Size);
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 /* __SYSHLP__H */