VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/HostDrivePartitionImpl.cpp@ 101505

Last change on this file since 101505 was 98103, checked in by vboxsync, 2 years ago

Copyright year updates by scm.
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1/* $Id: HostDrivePartitionImpl.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VirtualBox Main - IHostDrivePartition implementation, VBoxSVC.
4 */
5
6/*
7 * Copyright (C) 2013-2023 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#define LOG_GROUP LOG_GROUP_MAIN_HOSTDRIVEPARTITION
29#include "HostDrivePartitionImpl.h"
30#include "LoggingNew.h"
31
32#include <iprt/errcore.h>
33
34/*
35 * HostDrivePartition implementation.
36 */
37DEFINE_EMPTY_CTOR_DTOR(HostDrivePartition)
38
39HRESULT HostDrivePartition::FinalConstruct()
40{
41 return BaseFinalConstruct();
42}
43
44void HostDrivePartition::FinalRelease()
45{
46 uninit();
47
48 BaseFinalRelease();
49}
50
51/*
52 * Initializes the instance.
53 */
54HRESULT HostDrivePartition::initFromDvmVol(RTDVMVOLUME hVol)
55{
56 LogFlowThisFunc(("\n"));
57
58 AssertReturn(hVol != NIL_RTDVMVOLUME, E_INVALIDARG);
59
60 /* Enclose the state transition NotReady->InInit->Ready */
61 AutoInitSpan autoInitSpan(this);
62 AssertReturn(autoInitSpan.isOk(), E_FAIL);
63
64 /* Common attributes: */
65 m.number = RTDvmVolumeGetIndex(hVol, RTDVMVOLIDX_HOST);
66 m.cbVol = (LONG64)RTDvmVolumeGetSize(hVol);
67 if (m.cbVol < 0)
68 m.cbVol = INT64_MAX;
69
70 uint64_t offStart = 0;
71 uint64_t offLastIgnored = 0;
72 int vrc = RTDvmVolumeQueryRange(hVol, &offStart, &offLastIgnored);
73 AssertRC(vrc);
74 m.offStart = RT_SUCCESS(vrc) ? (LONG64)offStart : 0;
75 Assert((uint64_t)m.cbVol == offLastIgnored - offStart + 1 || RT_FAILURE(vrc));
76 if (m.offStart < 0)
77 m.offStart = INT64_MAX;
78
79 uint64_t fFlags = RTDvmVolumeGetFlags(hVol);
80 m.active = (fFlags & (DVMVOLUME_FLAGS_BOOTABLE | DVMVOLUME_FLAGS_ACTIVE)) != 0;
81
82 /* MBR: */
83 m.firstCylinder = (uint16_t)RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_FIRST_CYLINDER, 0);
84 m.firstHead = (uint8_t )RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_FIRST_HEAD, 0);
85 m.firstSector = (uint8_t )RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_FIRST_SECTOR, 0);
86 m.lastCylinder = (uint16_t)RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_LAST_CYLINDER, 0);
87 m.lastHead = (uint8_t )RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_LAST_HEAD, 0);
88 m.lastSector = (uint8_t )RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_LAST_SECTOR, 0);
89 m.bMBRType = (uint8_t )RTDvmVolumeGetPropU64(hVol, RTDVMVOLPROP_MBR_TYPE, 0);
90
91 /* GPT: */
92 RTUUID Uuid;
93 vrc = RTDvmVolumeQueryProp(hVol, RTDVMVOLPROP_GPT_TYPE, &Uuid, sizeof(Uuid), NULL);
94 if (RT_SUCCESS(vrc))
95 m.typeUuid = Uuid;
96 vrc = RTDvmVolumeQueryProp(hVol, RTDVMVOLPROP_GPT_UUID, &Uuid, sizeof(Uuid), NULL);
97 if (RT_SUCCESS(vrc))
98 m.uuid = Uuid;
99
100 char *pszName = NULL;
101 vrc = RTDvmVolumeQueryName(hVol, &pszName);
102 if (RT_SUCCESS(vrc))
103 {
104 HRESULT hrc = m.name.assignEx(pszName);
105 RTStrFree(pszName);
106 AssertComRCReturn(hrc, hrc);
107 }
108
109 /*
110 * Do the type translation to the best of our ability.
111 */
112 m.enmType = PartitionType_Unknown;
113 if (m.typeUuid.isZero())
114 switch ((PartitionType_T)m.bMBRType)
115 {
116 case PartitionType_FAT12:
117 case PartitionType_FAT16:
118 case PartitionType_FAT:
119 case PartitionType_IFS:
120 case PartitionType_FAT32CHS:
121 case PartitionType_FAT32LBA:
122 case PartitionType_FAT16B:
123 case PartitionType_Extended:
124 case PartitionType_WindowsRE:
125 case PartitionType_LinuxSwapOld:
126 case PartitionType_LinuxOld:
127 case PartitionType_DragonFlyBSDSlice:
128 case PartitionType_LinuxSwap:
129 case PartitionType_Linux:
130 case PartitionType_LinuxExtended:
131 case PartitionType_LinuxLVM:
132 case PartitionType_BSDSlice:
133 case PartitionType_AppleUFS:
134 case PartitionType_AppleHFS:
135 case PartitionType_Solaris:
136 case PartitionType_GPT:
137 case PartitionType_EFI:
138 m.enmType = (PartitionType_T)m.bMBRType;
139 break;
140
141 case PartitionType_Empty:
142 default:
143 break;
144 }
145 else
146 {
147 static struct { const char *pszUuid; PartitionType_T enmType; } const s_aUuidToType[] =
148 {
149 { "024dee41-33e7-11d3-9d69-0008c781f39f", PartitionType_MBR },
150 { "c12a7328-f81f-11d2-ba4b-00a0c93ec93b", PartitionType_EFI },
151 { "d3bfe2de-3daf-11df-ba40-e3a556d89593", PartitionType_iFFS },
152 { "f4019732-066e-4e12-8273-346c5641494f", PartitionType_SonyBoot },
153 { "bfbfafe7-a34f-448a-9a5b-6213eb736c22", PartitionType_LenovoBoot },
154 /* Win: */
155 { "e3c9e316-0b5c-4db8-817d-f92df00215ae", PartitionType_WindowsMSR },
156 { "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7", PartitionType_WindowsBasicData },
157 { "5808c8aa-7e8f-42e0-85d2-e1e90434cfb3", PartitionType_WindowsLDMMeta },
158 { "af9b60a0-1431-4f62-bc68-3311714a69ad", PartitionType_WindowsLDMData },
159 { "de94bba4-06d1-4d40-a16a-bfd50179d6ac", PartitionType_WindowsRecovery },
160 { "e75caf8f-f680-4cee-afa3-b001e56efc2d", PartitionType_WindowsStorageSpaces },
161 { "558d43c5-a1ac-43c0-aac8-d1472b2923d1", PartitionType_WindowsStorageReplica },
162 { "37affc90-ef7d-4e96-91c3-2d7ae055b174", PartitionType_IBMGPFS },
163 /* Linux: */
164 { "0fc63daf-8483-4772-8e79-3d69d8477de4", PartitionType_LinuxData },
165 { "a19d880f-05fc-4d3b-a006-743f0f84911e", PartitionType_LinuxRAID },
166 { "44479540-f297-41b2-9af7-d131d5f0458a", PartitionType_LinuxRootX86 },
167 { "4f68bce3-e8cd-4db1-96e7-fbcaf984b709", PartitionType_LinuxRootAMD64 },
168 { "69dad710-2ce4-4e3c-b16c-21a1d49abed3", PartitionType_LinuxRootARM32 },
169 { "b921b045-1df0-41c3-af44-4c6f280d3fae", PartitionType_LinuxRootARM64 },
170 { "933ac7e1-2eb4-4f13-b844-0e14e2aef915", PartitionType_LinuxHome },
171 { "3b8f8425-20e0-4f3b-907f-1a25a76f98e8", PartitionType_LinuxSrv },
172 { "0657fd6d-a4ab-43c4-84e5-0933c84b4f4f", PartitionType_LinuxSwap },
173 { "e6d6d379-f507-44c2-a23c-238f2a3df928", PartitionType_LinuxLVM },
174 { "7ffec5c9-2d00-49b7-8941-3ea10a5586b7", PartitionType_LinuxPlainDmCrypt },
175 { "ca7d7ccb-63ed-4c53-861c-1742536059cc", PartitionType_LinuxLUKS },
176 { "8da63339-0007-60c0-c436-083ac8230908", PartitionType_LinuxReserved },
177 /* FreeBSD: */
178 { "83bd6b9d-7f41-11dc-be0b-001560b84f0f", PartitionType_FreeBSDBoot },
179 { "516e7cb4-6ecf-11d6-8ff8-00022d09712b", PartitionType_FreeBSDData },
180 { "516e7cb5-6ecf-11d6-8ff8-00022d09712b", PartitionType_FreeBSDSwap },
181 { "516e7cb6-6ecf-11d6-8ff8-00022d09712b", PartitionType_FreeBSDUFS },
182 { "516e7cb8-6ecf-11d6-8ff8-00022d09712b", PartitionType_FreeBSDVinum },
183 { "516e7cba-6ecf-11d6-8ff8-00022d09712b", PartitionType_FreeBSDZFS },
184 /* Apple/macOS: */
185 { "48465300-0000-11aa-aa11-00306543ecac", PartitionType_AppleHFSPlus },
186 { "7c3457ef-0000-11aa-aa11-00306543ecac", PartitionType_AppleAPFS },
187 { "55465300-0000-11aa-aa11-00306543ecac", PartitionType_AppleUFS },
188 { "52414944-0000-11aa-aa11-00306543ecac", PartitionType_AppleRAID },
189 { "52414944-5f4f-11aa-aa11-00306543ecac", PartitionType_AppleRAIDOffline },
190 { "426f6f74-0000-11aa-aa11-00306543ecac", PartitionType_AppleBoot },
191 { "4c616265-6c00-11aa-aa11-00306543ecac", PartitionType_AppleLabel },
192 { "5265636f-7665-11aa-aa11-00306543ecac", PartitionType_AppleTvRecovery },
193 { "53746f72-6167-11aa-aa11-00306543ecac", PartitionType_AppleCoreStorage },
194 { "b6fa30da-92d2-4a9a-96f1-871ec6486200", PartitionType_SoftRAIDStatus },
195 { "2e313465-19b9-463f-8126-8a7993773801", PartitionType_SoftRAIDScratch },
196 { "fa709c7e-65b1-4593-bfd5-e71d61de9b02", PartitionType_SoftRAIDVolume },
197 { "bbba6df5-f46f-4a89-8f59-8765b2727503", PartitionType_SoftRAIDCache },
198 /* Solaris */
199 { "6a82cb45-1dd2-11b2-99a6-080020736631", PartitionType_SolarisBoot },
200 { "6a85cf4d-1dd2-11b2-99a6-080020736631", PartitionType_SolarisRoot },
201 { "6a87c46f-1dd2-11b2-99a6-080020736631", PartitionType_SolarisSwap },
202 { "6a8b642b-1dd2-11b2-99a6-080020736631", PartitionType_SolarisBackup },
203 { "6a898cc3-1dd2-11b2-99a6-080020736631", PartitionType_SolarisUsr },
204 { "6a8ef2e9-1dd2-11b2-99a6-080020736631", PartitionType_SolarisVar },
205 { "6a90ba39-1dd2-11b2-99a6-080020736631", PartitionType_SolarisHome },
206 { "6a9283a5-1dd2-11b2-99a6-080020736631", PartitionType_SolarisAltSector },
207 { "6a945a3b-1dd2-11b2-99a6-080020736631", PartitionType_SolarisReserved },
208 { "6a9630d1-1dd2-11b2-99a6-080020736631", PartitionType_SolarisReserved },
209 { "6a980767-1dd2-11b2-99a6-080020736631", PartitionType_SolarisReserved },
210 { "6a96237f-1dd2-11b2-99a6-080020736631", PartitionType_SolarisReserved },
211 { "6a8d2ac7-1dd2-11b2-99a6-080020736631", PartitionType_SolarisReserved },
212 /* NetBSD: */
213 { "49f48d32-b10e-11dc-b99b-0019d1879648", PartitionType_NetBSDSwap },
214 { "49f48d5a-b10e-11dc-b99b-0019d1879648", PartitionType_NetBSDFFS },
215 { "49f48d82-b10e-11dc-b99b-0019d1879648", PartitionType_NetBSDLFS },
216 { "49f48daa-b10e-11dc-b99b-0019d1879648", PartitionType_NetBSDRAID },
217 { "2db519c4-b10f-11dc-b99b-0019d1879648", PartitionType_NetBSDConcatenated },
218 { "2db519ec-b10f-11dc-b99b-0019d1879648", PartitionType_NetBSDEncrypted },
219 /* Chrome OS: */
220 { "fe3a2a5d-4f32-41a7-b725-accc3285a309", PartitionType_ChromeOSKernel },
221 { "3cb8e202-3b7e-47dd-8a3c-7ff2a13cfcec", PartitionType_ChromeOSRootFS },
222 { "2e0a753d-9e48-43b0-8337-b15192cb1b5e", PartitionType_ChromeOSFuture },
223 /* Container Linux: */
224 { "5dfbf5f4-2848-4bac-aa5e-0d9a20b745a6", PartitionType_ContLnxUsr },
225 { "3884dd41-8582-4404-b9a8-e9b84f2df50e", PartitionType_ContLnxRoot },
226 { "c95dc21a-df0e-4340-8d7b-26cbfa9a03e0", PartitionType_ContLnxReserved },
227 { "be9067b9-ea49-4f15-b4f6-f36f8c9e1818", PartitionType_ContLnxRootRAID },
228 /* Haiku: */
229 { "42465331-3ba3-10f1-802a-4861696b7521", PartitionType_HaikuBFS },
230 /* MidnightBSD */
231 { "85d5e45e-237c-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDBoot },
232 { "85d5e45a-237c-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDData },
233 { "85d5e45b-237c-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDSwap },
234 { "0394ef8b-237e-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDUFS },
235 { "85d5e45c-237c-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDVium },
236 { "85d5e45d-237c-11e1-b4b3-e89a8f7fc3a7", PartitionType_MidntBSDZFS },
237 /* OpenBSD: */
238 { "824cc7a0-36a8-11e3-890a-952519ad3f61", PartitionType_OpenBSDData },
239 /* QNX: */
240 { "cef5a9ad-73bc-4601-89f3-cdeeeee321a1", PartitionType_QNXPowerSafeFS },
241 /* Plan 9: */
242 { "c91818f9-8025-47af-89d2-f030d7000c2c", PartitionType_Plan9 },
243 /* VMWare ESX: */
244 { "9d275380-40ad-11db-bf97-000c2911d1b8", PartitionType_VMWareVMKCore },
245 { "aa31e02a-400f-11db-9590-000c2911d1b8", PartitionType_VMWareVMFS },
246 { "9198effc-31c0-11db-8f78-000c2911d1b8", PartitionType_VMWareReserved },
247 /* Android-x86: */
248 { "2568845d-2332-4675-bc39-8fa5a4748d15", PartitionType_AndroidX86Bootloader },
249 { "114eaffe-1552-4022-b26e-9b053604cf84", PartitionType_AndroidX86Bootloader2 },
250 { "49a4d17f-93a3-45c1-a0de-f50b2ebe2599", PartitionType_AndroidX86Boot },
251 { "4177c722-9e92-4aab-8644-43502bfd5506", PartitionType_AndroidX86Recovery },
252 { "ef32a33b-a409-486c-9141-9ffb711f6266", PartitionType_AndroidX86Misc },
253 { "20ac26be-20b7-11e3-84c5-6cfdb94711e9", PartitionType_AndroidX86Metadata },
254 { "38f428e6-d326-425d-9140-6e0ea133647c", PartitionType_AndroidX86System },
255 { "a893ef21-e428-470a-9e55-0668fd91a2d9", PartitionType_AndroidX86Cache },
256 { "dc76dda9-5ac1-491c-af42-a82591580c0d", PartitionType_AndroidX86Data },
257 { "ebc597d0-2053-4b15-8b64-e0aac75f4db1", PartitionType_AndroidX86Persistent },
258 { "c5a0aeec-13ea-11e5-a1b1-001e67ca0c3c", PartitionType_AndroidX86Vendor },
259 { "bd59408b-4514-490d-bf12-9878d963f378", PartitionType_AndroidX86Config },
260 { "8f68cc74-c5e5-48da-be91-a0c8c15e9c80", PartitionType_AndroidX86Factory },
261 { "9fdaa6ef-4b3f-40d2-ba8d-bff16bfb887b", PartitionType_AndroidX86FactoryAlt },
262 { "767941d0-2085-11e3-ad3b-6cfdb94711e9", PartitionType_AndroidX86Fastboot },
263 { "ac6d7924-eb71-4df8-b48d-e267b27148ff", PartitionType_AndroidX86OEM },
264 /* Android ARM: */
265 { "19a710a2-b3ca-11e4-b026-10604b889dcf", PartitionType_AndroidARMMeta },
266 { "193d1ea4-b3ca-11e4-b075-10604b889dcf", PartitionType_AndroidARMExt },
267 /* Open Network Install Environment: */
268 { "7412f7d5-a156-4b13-81dc-867174929325", PartitionType_ONIEBoot },
269 { "d4e6e2cd-4469-46f3-b5cb-1bff57afc149", PartitionType_ONIEConfig },
270 /* PowerPC: */
271 { "9e1a2d38-c612-4316-aa26-8b49521e5a8b", PartitionType_PowerPCPrep },
272 /* freedesktop.org: */
273 { "bc13c2ff-59e6-4262-a352-b275fd6f7172", PartitionType_XDGShrBootConfig },
274 /* Ceph: */
275 { "cafecafe-9b03-4f30-b4c6-b4b80ceff106", PartitionType_CephBlock },
276 { "30cd0809-c2b2-499c-8879-2d6b78529876", PartitionType_CephBlockDB },
277 { "93b0052d-02d9-4d8a-a43b-33a3ee4dfbc3", PartitionType_CephBlockDBDmc },
278 { "166418da-c469-4022-adf4-b30afd37f176", PartitionType_CephBlockDBDmcLUKS },
279 { "cafecafe-9b03-4f30-b4c6-5ec00ceff106", PartitionType_CephBlockDmc },
280 { "cafecafe-9b03-4f30-b4c6-35865ceff106", PartitionType_CephBlockDmcLUKS },
281 { "5ce17fce-4087-4169-b7ff-056cc58473f9", PartitionType_CephBlockWALog },
282 { "306e8683-4fe2-4330-b7c0-00a917c16966", PartitionType_CephBlockWALogDmc },
283 { "86a32090-3647-40b9-bbbd-38d8c573aa86", PartitionType_CephBlockWALogDmcLUKS },
284 { "89c57f98-2fe5-4dc0-89c1-f3ad0ceff2be", PartitionType_CephDisk },
285 { "89c57f98-2fe5-4dc0-89c1-5ec00ceff2be", PartitionType_CephDiskDmc },
286 { "45b0969e-9b03-4f30-b4c6-b4b80ceff106", PartitionType_CephJournal },
287 { "45b0969e-9b03-4f30-b4c6-5ec00ceff106", PartitionType_CephJournalDmc },
288 { "45b0969e-9b03-4f30-b4c6-35865ceff106", PartitionType_CephJournalDmcLUKS },
289 { "fb3aabf9-d25f-47cc-bf5e-721d1816496b", PartitionType_CephLockbox },
290 { "cafecafe-8ae0-4982-bf9d-5a8d867af560", PartitionType_CephMultipathBlock1 },
291 { "7f4a666a-16f3-47a2-8445-152ef4d03f6c", PartitionType_CephMultipathBlock2 },
292 { "ec6d6385-e346-45dc-be91-da2a7c8b3261", PartitionType_CephMultipathBlockDB },
293 { "01b41e1b-002a-453c-9f17-88793989ff8f", PartitionType_CephMultipathBLockWALog },
294 { "45b0969e-8ae0-4982-bf9d-5a8d867af560", PartitionType_CephMultipathJournal },
295 { "4fbd7e29-8ae0-4982-bf9d-5a8d867af560", PartitionType_CephMultipathOSD },
296 { "4fbd7e29-9d25-41b8-afd0-062c0ceff05d", PartitionType_CephOSD },
297 { "4fbd7e29-9d25-41b8-afd0-5ec00ceff05d", PartitionType_CephOSDDmc },
298 { "4fbd7e29-9d25-41b8-afd0-35865ceff05d", PartitionType_CephOSDDmcLUKS },
299 };
300 for (size_t i = 0; i < RT_ELEMENTS(s_aUuidToType); i++)
301 if (m.typeUuid.equalsString(s_aUuidToType[i].pszUuid))
302 {
303 m.enmType = s_aUuidToType[i].enmType;
304 break;
305 }
306
307 /* Some OSes are using non-random UUIDs and we can at least identify the
308 OS if not the exact type. */
309 if (m.enmType == PartitionType_Unknown)
310 {
311 char szType[RTUUID_STR_LENGTH];
312 m.typeUuid.toString(szType, sizeof(szType));
313 RTStrToLower(szType);
314 if (RTStrSimplePatternMatch(szType, "516e7c??-6ecf-11d6-8ff8-00022d09712b"))
315 m.enmType = PartitionType_FreeBSDUnknown;
316 else if (RTStrSimplePatternMatch(szType, "????????-????-11aa-aa11-00306543ecac"))
317 m.enmType = PartitionType_AppleUnknown;
318 else if (RTStrSimplePatternMatch(szType, "????????-1dd2-11b2-99a6-080020736631"))
319 m.enmType = PartitionType_SolarisUnknown;
320 else if (RTStrSimplePatternMatch(szType, "????????-b1??-11dc-b99b-0019d1879648"))
321 m.enmType = PartitionType_NetBSDUnknown;
322 else if (RTStrSimplePatternMatch(szType, "????????-23??-11e1-b4b3-e89a8f7fc3a7"))
323 m.enmType = PartitionType_MidntBSDUnknown;
324 else if (RTStrSimplePatternMatch(szType, "????????-????-11db-????-000c2911d1b8"))
325 m.enmType = PartitionType_VMWareUnknown;
326 }
327
328#ifdef VBOX_STRICT
329 /* Make sure we've done have any duplicates in the translation table: */
330 static bool s_fCheckedForDuplicates = false;
331 if (!s_fCheckedForDuplicates)
332 {
333 for (size_t i = 0; i < RT_ELEMENTS(s_aUuidToType); i++)
334 for (size_t j = i + 1; j < RT_ELEMENTS(s_aUuidToType); j++)
335 AssertMsg(RTUuidCompare2Strs(s_aUuidToType[i].pszUuid, s_aUuidToType[j].pszUuid) != 0,
336 ("%d & %d: %s\n", i, j, s_aUuidToType[i].pszUuid));
337 s_fCheckedForDuplicates = true;
338 }
339#endif
340
341 }
342
343 /* Confirm a successful initialization */
344 autoInitSpan.setSucceeded();
345
346 return S_OK;
347}
348
349/*
350 * Uninitializes the instance.
351 * Called either from FinalRelease() or by the parent when it gets destroyed.
352 */
353void HostDrivePartition::uninit()
354{
355 LogFlowThisFunc(("\n"));
356
357 /* Enclose the state transition Ready->InUninit->NotReady */
358 AutoUninitSpan autoUninitSpan(this);
359 if (autoUninitSpan.uninitDone())
360 return;
361
362 m.number = 0;
363 m.cbVol = 0;
364 m.offStart = 0;
365 m.enmType = PartitionType_Empty;
366 m.active = 0;
367
368 m.bMBRType = 0;
369 m.firstCylinder = 0;
370 m.firstHead = 0;
371 m.firstSector = 0;
372 m.lastCylinder = 0;
373 m.lastHead = 0;
374 m.lastSector = 0;
375
376 m.typeUuid.clear();
377 m.uuid.clear();
378 m.name.setNull();
379}
380
381/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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