VBGLR3Internal.h revision cd6ab0be0a8f4e8064a530081d804e16670b1506
/* $Id$ */
/** @file
* VBoxGuestR3Lib - Ring-3 support library for the guest additions, 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 (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.
*/
#ifndef ___VBGLR3Internal_h
#define ___VBGLR3Internal_h
#include <VBox/VBoxGuest.h>
__BEGIN_DECLS
int vbglR3DoIOCtl(unsigned iFunction, void *pvData, size_t cbData);
int vbglR3GRAlloc(VMMDevRequestHeader **ppReq, uint32_t cb, VMMDevRequestType enmReqType);
int vbglR3GRPerform(VMMDevRequestHeader *pReq);
void vbglR3GRFree(VMMDevRequestHeader *pReq);
DECLINLINE(void) VbglHGCMParmUInt32Set(HGCMFunctionParameter *pParm, uint32_t u32)
{
pParm->type = VMMDevHGCMParmType_32bit;
pParm->u.value64 = 0; /* init unused bits to 0 */
pParm->u.value32 = u32;
}
DECLINLINE(int) VbglHGCMParmUInt32Get(HGCMFunctionParameter *pParm, uint32_t *pu32)
{
if (pParm->type == VMMDevHGCMParmType_32bit)
{
*pu32 = pParm->u.value32;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
DECLINLINE(void) VbglHGCMParmPtrSet(HGCMFunctionParameter *pParm, void *pv, uint32_t cb)
{
pParm->type = VMMDevHGCMParmType_LinAddr;
pParm->u.Pointer.size = cb;
pParm->u.Pointer.u.linearAddr = (vmmDevHypPtr)pv;
}
__END_DECLS
#endif