pdmins.h revision da957c069c2a3c582fe265ff88170ce4c42b499d
/** @file
* PDM - Pluggable Device Manager, Common Instance Macros.
*/
/*
* 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 ___VBox_pdmins_h
#define ___VBox_pdmins_h
/** @defgroup grp_pdm_ins Common Instance Macros
* @ingroup grp_pdm
* @{
*/
/** @def PDMBOTHCBDECL
* Macro for declaring a callback which is static in HC and exported in GC.
*/
#if defined(IN_GC) || defined(IN_RING0)
# define PDMBOTHCBDECL(type) DECLEXPORT(type)
#else
# define PDMBOTHCBDECL(type) static type
#endif
/** @def PDMINS2DATA
* Converts a PDM Device, USB Device, or Driver instance pointer to a pointer to the instance data.
*/
#define PDMINS2DATA(pIns, type) ( (type)(void *)&(pIns)->achInstanceData[0] )
/** @def PDMINS2DATA_GCPTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a GC pointer to the instance data.
*/
#define PDMINS2DATA_GCPTR(pIns) ( (pIns)->pvInstanceDataGC )
/** @def PDMINS2DATA_R3PTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a HC pointer to the instance data.
*/
#define PDMINS2DATA_R3PTR(pIns) ( (pIns)->pvInstanceDataR3 )
/** @def PDMINS2DATA_R0PTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a R0 pointer to the instance data.
*/
#define PDMINS2DATA_R0PTR(pIns) ( (pIns)->pvInstanceDataR0 )
#endif