VirtualBox

source: vbox/trunk/src/VBox/Devices/PC/DrvAcpiCpu.cpp

Last change on this file was 106061, checked in by vboxsync, 3 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.4 KB
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1/* $Id: DrvAcpiCpu.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * DrvAcpiCpu - ACPI CPU dummy driver for hotplugging.
4 */
5
6/*
7 * Copyright (C) 2006-2024 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_DRV_ACPI
33
34#include <VBox/vmm/pdmdrv.h>
35#include <VBox/log.h>
36#include <iprt/assert.h>
37#include <iprt/string.h>
38#include <iprt/uuid.h>
39
40#include "VBoxDD.h"
41
42
43/**
44 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
45 */
46static DECLCALLBACK(void *) drvACPICpuQueryInterface(PPDMIBASE pInterface, const char *pszIID)
47{
48 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
49 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
50 return NULL;
51}
52
53/**
54 * Construct an ACPI CPU driver instance.
55 *
56 * @copydoc FNPDMDRVCONSTRUCT
57 */
58static DECLCALLBACK(int) drvACPICpuConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
59{
60 RT_NOREF(pCfg, fFlags);
61 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
62
63 /*
64 * Init the static parts.
65 */
66 /* IBase */
67 pDrvIns->IBase.pfnQueryInterface = drvACPICpuQueryInterface;
68
69 /*
70 * Validate the config.
71 */
72 PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "", "");
73
74 /*
75 * Check that no-one is attached to us.
76 */
77 AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
78 ("Configuration error: Not possible to attach anything to this driver!\n"),
79 VERR_PDM_DRVINS_NO_ATTACH);
80
81 return VINF_SUCCESS;
82}
83
84/**
85 * ACPI CPU driver registration record.
86 */
87const PDMDRVREG g_DrvAcpiCpu =
88{
89 /* u32Version */
90 PDM_DRVREG_VERSION,
91 /* szName */
92 "ACPICpu",
93 /* szRCMod */
94 "",
95 /* szR0Mod */
96 "",
97 /* pszDescription */
98 "ACPI CPU Driver",
99 /* fFlags */
100 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
101 /* fClass. */
102 PDM_DRVREG_CLASS_ACPI,
103 /* cMaxInstances */
104 ~0U,
105 /* cbInstance */
106 sizeof(PDMDRVINS),
107 /* pfnConstruct */
108 drvACPICpuConstruct,
109 /* pfnDestruct */
110 NULL,
111 /* pfnRelocate */
112 NULL,
113 /* pfnIOCtl */
114 NULL,
115 /* pfnPowerOn */
116 NULL,
117 /* pfnReset */
118 NULL,
119 /* pfnSuspend */
120 NULL,
121 /* pfnResume */
122 NULL,
123 /* pfnAttach */
124 NULL,
125 /* pfnDetach */
126 NULL,
127 /* pfnPowerOff */
128 NULL,
129 /* pfnSoftReset */
130 NULL,
131 /* u32EndVersion */
132 PDM_DRVREG_VERSION
133};
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