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/* $Id: DrvAcpiCpu.cpp $ */
/** @file
* DrvAcpiCpu - ACPI CPU dummy driver for hotplugging.
*/
/*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_DRV_ACPI
#include <VBox/pdmdrv.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/string.h>
#include <iprt/uuid.h>
#include "Builtins.h"
/**
* @interface_method_impl{PDMIBASE,pfnQueryInterface}
*/
static DECLCALLBACK(void *) drvACPICpuQueryInterface(PPDMIBASE pInterface, const char *pszIID)
{
PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
return NULL;
}
/**
* Destruct a driver instance.
*
* Most VM resources are freed by the VM. This callback is provided so that any non-VM
* resources can be freed correctly.
*
* @param pDrvIns The driver instance data.
*/
static DECLCALLBACK(void) drvACPICpuDestruct(PPDMDRVINS pDrvIns)
{
LogFlow(("drvACPICpuDestruct\n"));
PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
}
/**
* Construct an ACPI CPU driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
static DECLCALLBACK(int) drvACPICpuConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
/*
* Init the static parts.
*/
/* IBase */
pDrvIns->IBase.pfnQueryInterface = drvACPICpuQueryInterface;
/*
* Validate the config.
*/
if (!CFGMR3AreValuesValid(pCfg, "\0"))
return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
/*
* Check that no-one is attached to us.
*/
AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
("Configuration error: Not possible to attach anything to this driver!\n"),
VERR_PDM_DRVINS_NO_ATTACH);
return VINF_SUCCESS;
}
/**
* ACPI CPU driver registration record.
*/
const PDMDRVREG g_DrvAcpiCpu =
{
/* u32Version */
PDM_DRVREG_VERSION,
/* szName */
"ACPICpu",
/* szRCMod */
"",
/* szR0Mod */
"",
/* pszDescription */
"ACPI CPU Driver",
/* fFlags */
PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
/* fClass. */
PDM_DRVREG_CLASS_ACPI,
/* cMaxInstances */
~0,
/* cbInstance */
sizeof(PDMDRVINS),
/* pfnConstruct */
drvACPICpuConstruct,
/* pfnDestruct */
drvACPICpuDestruct,
/* pfnRelocate */
NULL,
/* pfnIOCtl */
NULL,
/* pfnPowerOn */
NULL,
/* pfnReset */
NULL,
/* pfnSuspend */
NULL,
/* pfnResume */
NULL,
/* pfnAttach */
NULL,
/* pfnDetach */
NULL,
/* pfnPowerOff */
NULL,
/* pfnSoftReset */
NULL,
/* u32EndVersion */
PDM_DRVREG_VERSION
};
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