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+/** @file
+ * PDM - Pluggable Device Manager, Common Instance Macros.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program 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 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_vmm_pdmins_h
+#define VBOX_INCLUDED_vmm_pdmins_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+
+/** @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 DECLCALLBACK(type)
+#endif
+
+/** @def PDMINS_2_DATA
+ * Gets the shared instance data for a PDM device, USB device, or driver instance.
+ * @note For devices using PDMDEVINS_2_DATA is highly recommended.
+ */
+#define PDMINS_2_DATA(pIns, type) ( (type)(pIns)->CTX_SUFF(pvInstanceData) )
+
+/** @def PDMINS_2_DATA_CC
+ * Gets the current context instance data for a PDM device, USB device, or driver instance.
+ * @note For devices using PDMDEVINS_2_DATA_CC is highly recommended.
+ */
+#define PDMINS_2_DATA_CC(pIns, type) ( (type)(void *)&(pIns)->achInstanceData[0] )
+
+/* @def PDMINS_2_DATA_RC
+ * Gets the raw-mode context instance data for a PDM device instance.
+ */
+#define PDMINS_2_DATA_RC(pIns, type) ( (type)(pIns)->CTX_SUFF(pvInstanceDataForRC) )
+
+
+/** @def PDMINS_2_DATA_RCPTR
+ * Converts a PDM Device, USB Device, or Driver instance pointer to a RC pointer to the instance data.
+ * @deprecated
+ */
+#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.
+ * @deprecated
+ */
+#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.
+ * @deprecated
+ */
+#define PDMINS_2_DATA_R0PTR(pIns) ( (pIns)->pvInstanceDataR0 )
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_vmm_pdmins_h */