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/** @file
* PDM - Pluggable Device Manager, Common Instance Macros.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* 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.
*/
#ifndef ___VBox_vmm_pdmins_h
#define ___VBox_vmm_pdmins_h
/** @defgroup grp_pdm_ins Common PDM Instance Macros
* @ingroup grp_pdm
* @{
*/
/** @def PDMBOTHCBDECL
* Macro for declaring a callback which is static in HC and exported in GC.
*/
#if defined(IN_RC) || defined(IN_RING0)
# ifdef __cplusplus
# define PDMBOTHCBDECL(type) extern "C" DECLEXPORT(type)
# else
# define PDMBOTHCBDECL(type) DECLEXPORT(type)
# endif
#else
# define PDMBOTHCBDECL(type) static type
#endif
/** @def PDMINS_2_DATA
* Converts a PDM Device, USB Device, or Driver instance pointer to a pointer to the instance data.
*/
#define PDMINS_2_DATA(pIns, type) ( (type)(void *)&(pIns)->achInstanceData[0] )
/** @def PDMINS_2_DATA_RCPTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a RC pointer to the instance data.
*/
#define PDMINS_2_DATA_RCPTR(pIns) ( (pIns)->pvInstanceDataRC )
/** @def PDMINS_2_DATA_R3PTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a HC pointer to the instance data.
*/
#define PDMINS_2_DATA_R3PTR(pIns) ( (pIns)->pvInstanceDataR3 )
/** @def PDMINS_2_DATA_R0PTR
* Converts a PDM Device, USB Device, or Driver instance pointer to a R0 pointer to the instance data.
*/
#define PDMINS_2_DATA_R0PTR(pIns) ( (pIns)->pvInstanceDataR0 )
/** @} */
#endif
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