GIMDev.cpp revision a8834d85501bd084d0d42b819a385467d05489fd
/* $Id$ */
/** @file
* Guest Interface Manager Device.
*/
/*
* Copyright (C) 2014 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_DEV_GIM
#include "VBoxDD.h"
/**
* GIM device.
*/
typedef struct GIMDEV
{
/** Pointer to the device instance - R3 Ptr. */
/** Pointer to the device instance - R0 Ptr. */
/** Pointer to the device instance - RC Ptr. */
/** Alignment. */
} GIMDEV;
/** Pointer to the GIM device state. */
#ifndef VBOX_DEVICE_STRUCT_TESTCASE
#ifdef IN_RING3
/**
* @interface_method_impl{PDMDEVREG,pfnConstruct}
*/
{
/*
* Initialize relevant state bits.
*/
/*
* Register ourselves with the GIM VMM component.
*/
/*
* Get the MMIO2 regions from the GIM provider.
*/
if ( cRegions
&& pRegionsR3)
{
/*
* Register the MMIO2 regions.
*/
{
int rc = PDMDevHlpMMIO2Register(pDevIns, pCur->iRegion, pCur->cbRegion, 0 /* fFlags */, &pCur->pvPageR3,
if (RT_FAILURE(rc))
return rc;
pCur->fRegistered = true;
#if defined(VBOX_WITH_2X_4GB_ADDR_SPACE)
RTR0PTR pR0Mapping = 0;
rc = PDMDevHlpMMIO2MapKernel(pDevIns, pCur->iRegion, 0 /* off */, pCur->cbRegion, pCur->szDescription,
&pR0Mapping);
#else
#endif
/*
* Map into RC if required.
*/
if (pCur->fRCMapping)
{
RTRCPTR pRCMapping = 0;
rc = PDMDevHlpMMHyperMapMMIO2(pDevIns, pCur->iRegion, 0 /* off */, pCur->cbRegion, pCur->szDescription,
&pRCMapping);
}
else
}
}
/** @todo Register SSM: PDMDevHlpSSMRegister(). */
/** @todo Register statistics: STAM_REG(). */
/** @todo Register DBGFInfo: PDMDevHlpDBGFInfoRegister(). */
return VINF_SUCCESS;
}
/**
* @interface_method_impl{PDMDEVREG,pfnDestruct}
*/
{
{
if (RT_FAILURE(rc))
return rc;
}
return VINF_SUCCESS;
}
/**
* @interface_method_impl{PDMDEVREG,pfnRelocate}
*/
{
}
/**
* @interface_method_impl{PDMDEVREG,pfnReset}
*/
{
/* We do not deregister any MMIO2 regions as the regions are expected to be static. */
}
/**
* The device registration structure.
*/
const PDMDEVREG g_DeviceGIMDev =
{
/* u32Version */
/* szName */
"GIMDev",
/* szRCMod */
"VBoxDDGC.gc",
/* szR0Mod */
"VBoxDDR0.r0",
/* pszDescription */
"VirtualBox GIM Device",
/* fFlags */
/* fClass */
/* cMaxInstances */
1,
/* cbInstance */
sizeof(GIMDEV),
/* pfnConstruct */
/* pfnDestruct */
/* pfnRelocate */
/* pfnMemSetup */
NULL,
/* pfnPowerOn */
NULL,
/* pfnReset */
/* pfnSuspend */
NULL,
/* pfnResume */
NULL,
/* pfnAttach */
NULL,
/* pfnDetach */
NULL,
/* pfnQueryInterface. */
NULL,
/* pfnInitComplete */
NULL,
/* pfnPowerOff */
NULL,
/* pfnSoftReset */
NULL,
/* u32VersionEnd */
};
#endif /* IN_RING3 */
#endif /* VBOX_DEVICE_STRUCT_TESTCASE */