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/* $Id: DrvAcpiCpu.cpp $ */
/** @file
* DrvAcpiCpu - ACPI CPU dummy driver for hotplugging.
*/
/*
* Copyright (C) 2006-2023 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>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_DRV_ACPI
#include <VBox/vmm/pdmdrv.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/string.h>
#include <iprt/uuid.h>
#include "VBoxDD.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;
}
/**
* Construct an ACPI CPU driver instance.
*
* @copydoc FNPDMDRVCONSTRUCT
*/
static DECLCALLBACK(int) drvACPICpuConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
{
RT_NOREF(pCfg, fFlags);
PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
/*
* Init the static parts.
*/
/* IBase */
pDrvIns->IBase.pfnQueryInterface = drvACPICpuQueryInterface;
/*
* Validate the config.
*/
PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
/*
* 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 */
~0U,
/* cbInstance */
sizeof(PDMDRVINS),
/* pfnConstruct */
drvACPICpuConstruct,
/* pfnDestruct */
NULL,
/* 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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