1 | /* $Id: Parallels.cpp 69496 2017-10-28 14:55:58Z vboxsync $ */
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2 | /** @file
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3 | *
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4 | * Parallels hdd disk image, core code.
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5 | */
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6 |
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7 | /*
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8 | * Copyright (C) 2006-2017 Oracle Corporation
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9 | *
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10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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11 | * available from http://www.virtualbox.org. This file is free software;
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12 | * you can redistribute it and/or modify it under the terms of the GNU
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13 | * General Public License (GPL) as published by the Free Software
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14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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17 | */
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18 |
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19 | #define LOG_GROUP LOG_GROUP_VD_PARALLELS
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20 | #include <VBox/vd-plugin.h>
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21 | #include <VBox/err.h>
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22 |
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23 | #include <VBox/log.h>
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24 | #include <iprt/assert.h>
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25 | #include <iprt/mem.h>
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26 | #include <iprt/uuid.h>
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27 | #include <iprt/path.h>
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28 | #include <iprt/string.h>
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29 | #include <iprt/asm.h>
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30 |
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31 | #include "VDBackends.h"
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32 |
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33 | #define PARALLELS_HEADER_MAGIC "WithoutFreeSpace"
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34 | #define PARALLELS_DISK_VERSION 2
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35 |
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36 | /** The header of the parallels disk. */
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37 | #pragma pack(1)
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38 | typedef struct ParallelsHeader
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39 | {
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40 | /** The magic header to identify a parallels hdd image. */
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41 | char HeaderIdentifier[16];
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42 | /** The version of the disk image. */
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43 | uint32_t uVersion;
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44 | /** The number of heads the hdd has. */
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45 | uint32_t cHeads;
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46 | /** Number of cylinders. */
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47 | uint32_t cCylinders;
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48 | /** Number of sectors per track. */
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49 | uint32_t cSectorsPerTrack;
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50 | /** Number of entries in the allocation bitmap. */
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51 | uint32_t cEntriesInAllocationBitmap;
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52 | /** Total number of sectors. */
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53 | uint32_t cSectors;
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54 | /** Padding. */
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55 | char Padding[24];
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56 | } ParallelsHeader;
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57 | #pragma pack()
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58 |
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59 | /**
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60 | * Parallels image structure.
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61 | */
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62 | typedef struct PARALLELSIMAGE
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63 | {
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64 | /** Image file name. */
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65 | const char *pszFilename;
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66 | /** Opaque storage handle. */
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67 | PVDIOSTORAGE pStorage;
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68 |
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69 | /** Pointer to the per-disk VD interface list. */
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70 | PVDINTERFACE pVDIfsDisk;
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71 | /** Pointer to the per-image VD interface list. */
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72 | PVDINTERFACE pVDIfsImage;
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73 | /** Error interface. */
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74 | PVDINTERFACEERROR pIfError;
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75 | /** I/O interface. */
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76 | PVDINTERFACEIOINT pIfIo;
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77 |
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78 | /** Open flags passed by VBoxHDD layer. */
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79 | unsigned uOpenFlags;
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80 | /** Image flags defined during creation or determined during open. */
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81 | unsigned uImageFlags;
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82 | /** Total size of the image. */
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83 | uint64_t cbSize;
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84 |
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85 | /** Physical geometry of this image. */
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86 | VDGEOMETRY PCHSGeometry;
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87 | /** Logical geometry of this image. */
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88 | VDGEOMETRY LCHSGeometry;
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89 |
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90 | /** Pointer to the allocation bitmap. */
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91 | uint32_t *pAllocationBitmap;
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92 | /** Entries in the allocation bitmap. */
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93 | uint64_t cAllocationBitmapEntries;
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94 | /** Flag whether the allocation bitmap was changed. */
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95 | bool fAllocationBitmapChanged;
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96 | /** Current file size. */
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97 | uint64_t cbFileCurrent;
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98 | /** The static region list. */
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99 | VDREGIONLIST RegionList;
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100 | } PARALLELSIMAGE, *PPARALLELSIMAGE;
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101 |
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102 |
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103 | /*********************************************************************************************************************************
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104 | * Static Variables *
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105 | *********************************************************************************************************************************/
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106 |
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107 | /** NULL-terminated array of supported file extensions. */
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108 | static const VDFILEEXTENSION s_aParallelsFileExtensions[] =
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109 | {
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110 | {"hdd", VDTYPE_HDD},
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111 | {NULL, VDTYPE_INVALID}
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112 | };
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113 |
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114 | /***************************************************
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115 | * Internal functions *
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116 | **************************************************/
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117 |
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118 | /**
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119 | * Internal. Flush image data to disk.
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120 | */
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121 | static int parallelsFlushImage(PPARALLELSIMAGE pImage)
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122 | {
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123 | int rc = VINF_SUCCESS;
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124 |
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125 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
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126 | return VINF_SUCCESS;
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127 |
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128 | if ( !(pImage->uImageFlags & VD_IMAGE_FLAGS_FIXED)
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129 | && (pImage->fAllocationBitmapChanged))
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130 | {
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131 | pImage->fAllocationBitmapChanged = false;
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132 | /* Write the allocation bitmap to the file. */
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133 | rc = vdIfIoIntFileWriteSync(pImage->pIfIo, pImage->pStorage,
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134 | sizeof(ParallelsHeader), pImage->pAllocationBitmap,
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135 | pImage->cAllocationBitmapEntries * sizeof(uint32_t));
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136 | if (RT_FAILURE(rc))
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137 | return rc;
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138 | }
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139 |
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140 | /* Flush file. */
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141 | rc = vdIfIoIntFileFlushSync(pImage->pIfIo, pImage->pStorage);
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142 |
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143 | LogFlowFunc(("returns %Rrc\n", rc));
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144 | return rc;
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145 | }
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146 |
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147 | /**
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148 | * Internal. Free all allocated space for representing an image except pImage,
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149 | * and optionally delete the image from disk.
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150 | */
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151 | static int parallelsFreeImage(PPARALLELSIMAGE pImage, bool fDelete)
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152 | {
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153 | int rc = VINF_SUCCESS;
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154 |
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155 | /* Freeing a never allocated image (e.g. because the open failed) is
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156 | * not signalled as an error. After all nothing bad happens. */
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157 | if (pImage)
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158 | {
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159 | if (pImage->pStorage)
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160 | {
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161 | /* No point updating the file that is deleted anyway. */
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162 | if (!fDelete)
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163 | parallelsFlushImage(pImage);
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164 |
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165 | rc = vdIfIoIntFileClose(pImage->pIfIo, pImage->pStorage);
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166 | pImage->pStorage = NULL;
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167 | }
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168 |
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169 | if (pImage->pAllocationBitmap)
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170 | {
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171 | RTMemFree(pImage->pAllocationBitmap);
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172 | pImage->pAllocationBitmap = NULL;
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173 | }
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174 |
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175 | if (fDelete && pImage->pszFilename)
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176 | vdIfIoIntFileDelete(pImage->pIfIo, pImage->pszFilename);
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177 | }
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178 |
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179 | return rc;
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180 | }
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181 |
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182 | static int parallelsOpenImage(PPARALLELSIMAGE pImage, unsigned uOpenFlags)
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183 | {
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184 | pImage->pIfError = VDIfErrorGet(pImage->pVDIfsDisk);
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185 | pImage->pIfIo = VDIfIoIntGet(pImage->pVDIfsImage);
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186 | pImage->uOpenFlags = uOpenFlags;
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187 | AssertPtrReturn(pImage->pIfIo, VERR_INVALID_PARAMETER);
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188 |
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189 | int rc = vdIfIoIntFileOpen(pImage->pIfIo, pImage->pszFilename,
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190 | VDOpenFlagsToFileOpenFlags(uOpenFlags,
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191 | false /* fCreate */),
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192 | &pImage->pStorage);
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193 | if (RT_SUCCESS(rc))
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194 | {
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195 | rc = vdIfIoIntFileGetSize(pImage->pIfIo, pImage->pStorage, &pImage->cbFileCurrent);
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196 | if (RT_SUCCESS(rc)
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197 | && !(pImage->cbFileCurrent % 512))
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198 | {
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199 | ParallelsHeader parallelsHeader;
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200 |
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201 | rc = vdIfIoIntFileReadSync(pImage->pIfIo, pImage->pStorage, 0,
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202 | ¶llelsHeader, sizeof(parallelsHeader));
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203 | if (RT_SUCCESS(rc))
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204 | {
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205 | if (memcmp(parallelsHeader.HeaderIdentifier, PARALLELS_HEADER_MAGIC, 16))
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206 | {
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207 | /* Check if the file has hdd as extension. It is a fixed size raw image then. */
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208 | char *pszSuffix = RTPathSuffix(pImage->pszFilename);
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209 | if (!strcmp(pszSuffix, ".hdd"))
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210 | {
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211 | /* This is a fixed size image. */
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212 | pImage->uImageFlags |= VD_IMAGE_FLAGS_FIXED;
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213 | pImage->cbSize = pImage->cbFileCurrent;
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214 |
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215 | pImage->PCHSGeometry.cHeads = 16;
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216 | pImage->PCHSGeometry.cSectors = 63;
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217 | uint64_t cCylinders = pImage->cbSize / (512 * pImage->PCHSGeometry.cSectors * pImage->PCHSGeometry.cHeads);
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218 | pImage->PCHSGeometry.cCylinders = (uint32_t)cCylinders;
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219 | }
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220 | else
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221 | rc = VERR_VD_PARALLELS_INVALID_HEADER;
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222 | }
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223 | else
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224 | {
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225 | if ( parallelsHeader.uVersion == PARALLELS_DISK_VERSION
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226 | && parallelsHeader.cEntriesInAllocationBitmap <= (1 << 30))
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227 | {
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228 | Log(("cSectors=%u\n", parallelsHeader.cSectors));
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229 | pImage->cbSize = ((uint64_t)parallelsHeader.cSectors) * 512;
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230 | pImage->uImageFlags = VD_IMAGE_FLAGS_NONE;
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231 | pImage->PCHSGeometry.cCylinders = parallelsHeader.cCylinders;
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232 | pImage->PCHSGeometry.cHeads = parallelsHeader.cHeads;
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233 | pImage->PCHSGeometry.cSectors = parallelsHeader.cSectorsPerTrack;
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234 | pImage->cAllocationBitmapEntries = parallelsHeader.cEntriesInAllocationBitmap;
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235 | pImage->pAllocationBitmap = (uint32_t *)RTMemAllocZ((uint32_t)pImage->cAllocationBitmapEntries * sizeof(uint32_t));
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236 | if (RT_LIKELY(pImage->pAllocationBitmap))
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237 | rc = vdIfIoIntFileReadSync(pImage->pIfIo, pImage->pStorage,
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238 | sizeof(ParallelsHeader), pImage->pAllocationBitmap,
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239 | pImage->cAllocationBitmapEntries * sizeof(uint32_t));
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240 | else
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241 | rc = VERR_NO_MEMORY;
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242 | }
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243 | else
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244 | rc = VERR_NOT_SUPPORTED;
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245 | }
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246 | }
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247 | }
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248 | else if (RT_SUCCESS(rc))
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249 | rc = VERR_VD_PARALLELS_INVALID_HEADER;
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250 | }
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251 |
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252 | if (RT_SUCCESS(rc))
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253 | {
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254 | PVDREGIONDESC pRegion = &pImage->RegionList.aRegions[0];
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255 | pImage->RegionList.fFlags = 0;
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256 | pImage->RegionList.cRegions = 1;
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257 |
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258 | pRegion->offRegion = 0; /* Disk start. */
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259 | pRegion->cbBlock = 512;
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260 | pRegion->enmDataForm = VDREGIONDATAFORM_RAW;
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261 | pRegion->enmMetadataForm = VDREGIONMETADATAFORM_NONE;
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262 | pRegion->cbData = 512;
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263 | pRegion->cbMetadata = 0;
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264 | pRegion->cRegionBlocksOrBytes = pImage->cbSize;
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265 | }
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266 |
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267 | LogFlowFunc(("returns %Rrc\n", rc));
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268 | return rc;
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269 | }
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270 |
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271 | /**
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272 | * Internal: Create a parallels image.
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273 | */
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274 | static int parallelsCreateImage(PPARALLELSIMAGE pImage, uint64_t cbSize,
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275 | unsigned uImageFlags, const char *pszComment,
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276 | PCVDGEOMETRY pPCHSGeometry,
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277 | PCVDGEOMETRY pLCHSGeometry, unsigned uOpenFlags,
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278 | PFNVDPROGRESS pfnProgress, void *pvUser,
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279 | unsigned uPercentStart, unsigned uPercentSpan)
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280 | {
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281 | RT_NOREF1(pszComment);
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282 | int rc = VINF_SUCCESS;
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283 | int32_t fOpen;
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284 |
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285 | if (!(uImageFlags & VD_IMAGE_FLAGS_FIXED))
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286 | {
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287 | pImage->pIfError = VDIfErrorGet(pImage->pVDIfsDisk);
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288 | pImage->pIfIo = VDIfIoIntGet(pImage->pVDIfsImage);
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289 | AssertPtrReturn(pImage->pIfIo, VERR_INVALID_PARAMETER);
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290 |
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291 | pImage->uOpenFlags = uOpenFlags & ~VD_OPEN_FLAGS_READONLY;
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292 | pImage->uImageFlags = uImageFlags;
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293 | pImage->PCHSGeometry = *pPCHSGeometry;
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294 | pImage->LCHSGeometry = *pLCHSGeometry;
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295 | if (!pImage->PCHSGeometry.cCylinders)
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296 | {
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297 | /* Set defaults. */
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298 | pImage->PCHSGeometry.cSectors = 63;
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299 | pImage->PCHSGeometry.cHeads = 16;
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300 | pImage->PCHSGeometry.cCylinders = pImage->cbSize / (512 * pImage->PCHSGeometry.cSectors * pImage->PCHSGeometry.cHeads);
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301 | }
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302 |
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303 | /* Create image file. */
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304 | fOpen = VDOpenFlagsToFileOpenFlags(pImage->uOpenFlags, true /* fCreate */);
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305 | rc = vdIfIoIntFileOpen(pImage->pIfIo, pImage->pszFilename, fOpen, &pImage->pStorage);
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306 | if (RT_SUCCESS(rc))
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307 | {
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308 | if (pfnProgress)
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309 | pfnProgress(pvUser, uPercentStart + uPercentSpan * 98 / 100);
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310 |
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311 | /* Setup image state. */
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312 | pImage->cbSize = cbSize;
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313 | pImage->cAllocationBitmapEntries = cbSize / 512 / pImage->PCHSGeometry.cSectors;
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314 | if (pImage->cAllocationBitmapEntries * pImage->PCHSGeometry.cSectors * 512 < cbSize)
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315 | pImage->cAllocationBitmapEntries++;
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316 | pImage->fAllocationBitmapChanged = true;
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317 | pImage->cbFileCurrent = sizeof(ParallelsHeader) + pImage->cAllocationBitmapEntries * sizeof(uint32_t);
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318 | /* Round to next sector boundary. */
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319 | pImage->cbFileCurrent += 512 - pImage->cbFileCurrent % 512;
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320 | Assert(!(pImage->cbFileCurrent % 512));
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321 | pImage->pAllocationBitmap = (uint32_t *)RTMemAllocZ(pImage->cAllocationBitmapEntries * sizeof(uint32_t));
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322 | if (pImage->pAllocationBitmap)
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323 | {
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324 | ParallelsHeader Header;
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325 |
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326 | memcpy(Header.HeaderIdentifier, PARALLELS_HEADER_MAGIC, sizeof(Header.HeaderIdentifier));
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327 | Header.uVersion = RT_H2LE_U32(PARALLELS_DISK_VERSION);
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328 | Header.cHeads = RT_H2LE_U32(pImage->PCHSGeometry.cHeads);
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329 | Header.cCylinders = RT_H2LE_U32(pImage->PCHSGeometry.cCylinders);
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330 | Header.cSectorsPerTrack = RT_H2LE_U32(pImage->PCHSGeometry.cSectors);
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331 | Header.cEntriesInAllocationBitmap = RT_H2LE_U32(pImage->cAllocationBitmapEntries);
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332 | Header.cSectors = RT_H2LE_U32(pImage->cbSize / 512);
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333 | memset(Header.Padding, 0, sizeof(Header.Padding));
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334 |
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335 | /* Write header and allocation bitmap. */
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336 | rc = vdIfIoIntFileSetSize(pImage->pIfIo, pImage->pStorage, pImage->cbFileCurrent);
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337 | if (RT_SUCCESS(rc))
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338 | rc = vdIfIoIntFileWriteSync(pImage->pIfIo, pImage->pStorage, 0,
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339 | &Header, sizeof(Header));
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340 | if (RT_SUCCESS(rc))
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341 | rc = parallelsFlushImage(pImage); /* Writes the allocation bitmap. */
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342 | }
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343 | else
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344 | rc = VERR_NO_MEMORY;
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345 | }
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346 | else
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347 | rc = vdIfError(pImage->pIfError, rc, RT_SRC_POS, N_("Parallels: cannot create image '%s'"), pImage->pszFilename);
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348 | }
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349 | else
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350 | rc = vdIfError(pImage->pIfError, VERR_VD_INVALID_TYPE, RT_SRC_POS, N_("Parallels: cannot create fixed image '%s'. Create a raw image"), pImage->pszFilename);
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351 |
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352 | if (RT_SUCCESS(rc) && pfnProgress)
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353 | pfnProgress(pvUser, uPercentStart + uPercentSpan);
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354 |
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355 | if (RT_SUCCESS(rc))
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356 | {
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357 | PVDREGIONDESC pRegion = &pImage->RegionList.aRegions[0];
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358 | pImage->RegionList.fFlags = 0;
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359 | pImage->RegionList.cRegions = 1;
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360 |
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361 | pRegion->offRegion = 0; /* Disk start. */
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362 | pRegion->cbBlock = 512;
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363 | pRegion->enmDataForm = VDREGIONDATAFORM_RAW;
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364 | pRegion->enmMetadataForm = VDREGIONMETADATAFORM_NONE;
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365 | pRegion->cbData = 512;
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366 | pRegion->cbMetadata = 0;
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367 | pRegion->cRegionBlocksOrBytes = pImage->cbSize;
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368 | }
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369 | else
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370 | parallelsFreeImage(pImage, rc != VERR_ALREADY_EXISTS);
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371 | return rc;
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372 | }
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373 |
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374 | /** @copydoc VDIMAGEBACKEND::pfnProbe */
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375 | static DECLCALLBACK(int) parallelsProbe(const char *pszFilename, PVDINTERFACE pVDIfsDisk,
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376 | PVDINTERFACE pVDIfsImage, VDTYPE *penmType)
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377 | {
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378 | RT_NOREF1(pVDIfsDisk);
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379 | int rc;
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380 | PVDIOSTORAGE pStorage;
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381 | ParallelsHeader parallelsHeader;
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382 |
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383 | PVDINTERFACEIOINT pIfIo = VDIfIoIntGet(pVDIfsImage);
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384 | AssertPtrReturn(pIfIo, VERR_INVALID_PARAMETER);
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385 |
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386 | rc = vdIfIoIntFileOpen(pIfIo, pszFilename,
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387 | VDOpenFlagsToFileOpenFlags(VD_OPEN_FLAGS_READONLY,
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388 | false /* fCreate */),
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389 | &pStorage);
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390 | if (RT_FAILURE(rc))
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391 | return rc;
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392 |
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393 | rc = vdIfIoIntFileReadSync(pIfIo, pStorage, 0, ¶llelsHeader,
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394 | sizeof(ParallelsHeader));
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395 | if (RT_SUCCESS(rc))
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396 | {
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397 | if ( !memcmp(parallelsHeader.HeaderIdentifier, PARALLELS_HEADER_MAGIC, 16)
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398 | && (parallelsHeader.uVersion == PARALLELS_DISK_VERSION))
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399 | rc = VINF_SUCCESS;
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400 | else
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401 | {
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402 | /*
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403 | * The image may be an fixed size image.
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404 | * Unfortunately fixed sized parallels images
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405 | * are just raw files hence no magic header to
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406 | * check for.
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407 | * The code succeeds if the file is a multiple
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408 | * of 512 and if the file extensions is *.hdd
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409 | */
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410 | uint64_t cbFile;
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411 | char *pszSuffix;
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412 |
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413 | rc = vdIfIoIntFileGetSize(pIfIo, pStorage, &cbFile);
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414 | if (RT_FAILURE(rc) || ((cbFile % 512) != 0))
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415 | {
|
---|
416 | vdIfIoIntFileClose(pIfIo, pStorage);
|
---|
417 | return VERR_VD_PARALLELS_INVALID_HEADER;
|
---|
418 | }
|
---|
419 |
|
---|
420 | pszSuffix = RTPathSuffix(pszFilename);
|
---|
421 | if (!pszSuffix || strcmp(pszSuffix, ".hdd"))
|
---|
422 | rc = VERR_VD_PARALLELS_INVALID_HEADER;
|
---|
423 | else
|
---|
424 | rc = VINF_SUCCESS;
|
---|
425 | }
|
---|
426 | }
|
---|
427 |
|
---|
428 | if (RT_SUCCESS(rc))
|
---|
429 | *penmType = VDTYPE_HDD;
|
---|
430 |
|
---|
431 | vdIfIoIntFileClose(pIfIo, pStorage);
|
---|
432 | return rc;
|
---|
433 | }
|
---|
434 |
|
---|
435 | /** @copydoc VDIMAGEBACKEND::pfnOpen */
|
---|
436 | static DECLCALLBACK(int) parallelsOpen(const char *pszFilename, unsigned uOpenFlags,
|
---|
437 | PVDINTERFACE pVDIfsDisk, PVDINTERFACE pVDIfsImage,
|
---|
438 | VDTYPE enmType, void **ppBackendData)
|
---|
439 | {
|
---|
440 | LogFlowFunc(("pszFilename=\"%s\" uOpenFlags=%#x pVDIfsDisk=%#p pVDIfsImage=%#p enmType=%u ppBackendData=%#p\n", pszFilename, uOpenFlags, pVDIfsDisk, pVDIfsImage, enmType, ppBackendData));
|
---|
441 | int rc;
|
---|
442 | PPARALLELSIMAGE pImage;
|
---|
443 |
|
---|
444 | NOREF(enmType); /**< @todo r=klaus make use of the type info. */
|
---|
445 |
|
---|
446 | /* Check parameters. */
|
---|
447 | AssertReturn(!(uOpenFlags & ~VD_OPEN_FLAGS_MASK), VERR_INVALID_PARAMETER);
|
---|
448 | AssertReturn(VALID_PTR(pszFilename) && *pszFilename, VERR_INVALID_PARAMETER);
|
---|
449 |
|
---|
450 | pImage = (PPARALLELSIMAGE)RTMemAllocZ(RT_UOFFSETOF(PARALLELSIMAGE, RegionList.aRegions[1]));
|
---|
451 | if (RT_LIKELY(pImage))
|
---|
452 | {
|
---|
453 | pImage->pszFilename = pszFilename;
|
---|
454 | pImage->pStorage = NULL;
|
---|
455 | pImage->pVDIfsDisk = pVDIfsDisk;
|
---|
456 | pImage->pVDIfsImage = pVDIfsImage;
|
---|
457 | pImage->fAllocationBitmapChanged = false;
|
---|
458 |
|
---|
459 | rc = parallelsOpenImage(pImage, uOpenFlags);
|
---|
460 | if (RT_SUCCESS(rc))
|
---|
461 | *ppBackendData = pImage;
|
---|
462 | else
|
---|
463 | RTMemFree(pImage);
|
---|
464 | }
|
---|
465 | else
|
---|
466 | rc = VERR_NO_MEMORY;
|
---|
467 |
|
---|
468 | LogFlowFunc(("returns %Rrc (pBackendData=%#p)\n", rc, *ppBackendData));
|
---|
469 | return rc;
|
---|
470 | }
|
---|
471 |
|
---|
472 | /** @copydoc VDIMAGEBACKEND::pfnCreate */
|
---|
473 | static DECLCALLBACK(int) parallelsCreate(const char *pszFilename, uint64_t cbSize,
|
---|
474 | unsigned uImageFlags, const char *pszComment,
|
---|
475 | PCVDGEOMETRY pPCHSGeometry,
|
---|
476 | PCVDGEOMETRY pLCHSGeometry, PCRTUUID pUuid,
|
---|
477 | unsigned uOpenFlags, unsigned uPercentStart,
|
---|
478 | unsigned uPercentSpan, PVDINTERFACE pVDIfsDisk,
|
---|
479 | PVDINTERFACE pVDIfsImage,
|
---|
480 | PVDINTERFACE pVDIfsOperation, VDTYPE enmType,
|
---|
481 | void **ppBackendData)
|
---|
482 | {
|
---|
483 | RT_NOREF1(pUuid);
|
---|
484 | LogFlowFunc(("pszFilename=\"%s\" cbSize=%llu uImageFlags=%#x pszComment=\"%s\" pPCHSGeometry=%#p pLCHSGeometry=%#p Uuid=%RTuuid uOpenFlags=%#x uPercentStart=%u uPercentSpan=%u pVDIfsDisk=%#p pVDIfsImage=%#p pVDIfsOperation=%#p enmType=%u ppBackendData=%#p",
|
---|
485 | pszFilename, cbSize, uImageFlags, pszComment, pPCHSGeometry, pLCHSGeometry, pUuid, uOpenFlags, uPercentStart, uPercentSpan, pVDIfsDisk, pVDIfsImage, pVDIfsOperation, enmType, ppBackendData));
|
---|
486 |
|
---|
487 | /* Check the VD container type. */
|
---|
488 | if (enmType != VDTYPE_HDD)
|
---|
489 | return VERR_VD_INVALID_TYPE;
|
---|
490 |
|
---|
491 | /* Check arguments. */
|
---|
492 | AssertReturn(!(uOpenFlags & ~VD_OPEN_FLAGS_MASK), VERR_INVALID_PARAMETER);
|
---|
493 | AssertReturn( VALID_PTR(pszFilename)
|
---|
494 | && *pszFilename
|
---|
495 | && VALID_PTR(pPCHSGeometry)
|
---|
496 | && VALID_PTR(pLCHSGeometry), VERR_INVALID_PARAMETER);
|
---|
497 |
|
---|
498 | int rc = VINF_SUCCESS;
|
---|
499 | PPARALLELSIMAGE pImage;
|
---|
500 | PFNVDPROGRESS pfnProgress = NULL;
|
---|
501 | void *pvUser = NULL;
|
---|
502 | PVDINTERFACEPROGRESS pIfProgress = VDIfProgressGet(pVDIfsOperation);
|
---|
503 | if (pIfProgress)
|
---|
504 | {
|
---|
505 | pfnProgress = pIfProgress->pfnProgress;
|
---|
506 | pvUser = pIfProgress->Core.pvUser;
|
---|
507 | }
|
---|
508 |
|
---|
509 | pImage = (PPARALLELSIMAGE)RTMemAllocZ(RT_UOFFSETOF(PARALLELSIMAGE, RegionList.aRegions[1]));
|
---|
510 | if (RT_LIKELY(pImage))
|
---|
511 | {
|
---|
512 | pImage->pszFilename = pszFilename;
|
---|
513 | pImage->pStorage = NULL;
|
---|
514 | pImage->pVDIfsDisk = pVDIfsDisk;
|
---|
515 | pImage->pVDIfsImage = pVDIfsImage;
|
---|
516 |
|
---|
517 | rc = parallelsCreateImage(pImage, cbSize, uImageFlags, pszComment,
|
---|
518 | pPCHSGeometry, pLCHSGeometry, uOpenFlags,
|
---|
519 | pfnProgress, pvUser, uPercentStart, uPercentSpan);
|
---|
520 | if (RT_SUCCESS(rc))
|
---|
521 | {
|
---|
522 | /* So far the image is opened in read/write mode. Make sure the
|
---|
523 | * image is opened in read-only mode if the caller requested that. */
|
---|
524 | if (uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
525 | {
|
---|
526 | parallelsFreeImage(pImage, false);
|
---|
527 | rc = parallelsOpenImage(pImage, uOpenFlags);
|
---|
528 | }
|
---|
529 |
|
---|
530 | if (RT_SUCCESS(rc))
|
---|
531 | *ppBackendData = pImage;
|
---|
532 | }
|
---|
533 |
|
---|
534 | if (RT_FAILURE(rc))
|
---|
535 | RTMemFree(pImage);
|
---|
536 | }
|
---|
537 | else
|
---|
538 | rc = VERR_NO_MEMORY;
|
---|
539 |
|
---|
540 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
541 | return rc;
|
---|
542 | }
|
---|
543 |
|
---|
544 | /** @copydoc VDIMAGEBACKEND::pfnRename */
|
---|
545 | static DECLCALLBACK(int) parallelsRename(void *pBackendData, const char *pszFilename)
|
---|
546 | {
|
---|
547 | LogFlowFunc(("pBackendData=%#p pszFilename=%#p\n", pBackendData, pszFilename));
|
---|
548 | int rc = VINF_SUCCESS;
|
---|
549 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
550 |
|
---|
551 | /* Check arguments. */
|
---|
552 | AssertReturn((pImage && pszFilename && *pszFilename), VERR_INVALID_PARAMETER);
|
---|
553 |
|
---|
554 | /* Close the image. */
|
---|
555 | rc = parallelsFreeImage(pImage, false);
|
---|
556 | if (RT_SUCCESS(rc))
|
---|
557 | {
|
---|
558 | /* Rename the file. */
|
---|
559 | rc = vdIfIoIntFileMove(pImage->pIfIo, pImage->pszFilename, pszFilename, 0);
|
---|
560 | if (RT_SUCCESS(rc))
|
---|
561 | {
|
---|
562 | /* Update pImage with the new information. */
|
---|
563 | pImage->pszFilename = pszFilename;
|
---|
564 |
|
---|
565 | /* Open the old image with new name. */
|
---|
566 | rc = parallelsOpenImage(pImage, pImage->uOpenFlags);
|
---|
567 | }
|
---|
568 | else
|
---|
569 | {
|
---|
570 | /* The move failed, try to reopen the original image. */
|
---|
571 | int rc2 = parallelsOpenImage(pImage, pImage->uOpenFlags);
|
---|
572 | if (RT_FAILURE(rc2))
|
---|
573 | rc = rc2;
|
---|
574 | }
|
---|
575 | }
|
---|
576 |
|
---|
577 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
578 | return rc;
|
---|
579 | }
|
---|
580 |
|
---|
581 | /** @copydoc VDIMAGEBACKEND::pfnClose */
|
---|
582 | static DECLCALLBACK(int) parallelsClose(void *pBackendData, bool fDelete)
|
---|
583 | {
|
---|
584 | LogFlowFunc(("pBackendData=%#p fDelete=%d\n", pBackendData, fDelete));
|
---|
585 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
586 | int rc = parallelsFreeImage(pImage, fDelete);
|
---|
587 | RTMemFree(pImage);
|
---|
588 |
|
---|
589 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
590 | return rc;
|
---|
591 | }
|
---|
592 |
|
---|
593 | /** @copydoc VDIMAGEBACKEND::pfnRead */
|
---|
594 | static DECLCALLBACK(int) parallelsRead(void *pBackendData, uint64_t uOffset, size_t cbToRead,
|
---|
595 | PVDIOCTX pIoCtx, size_t *pcbActuallyRead)
|
---|
596 | {
|
---|
597 | LogFlowFunc(("pBackendData=%#p uOffset=%llu pIoCtx=%#p cbToRead=%zu pcbActuallyRead=%#p\n",
|
---|
598 | pBackendData, uOffset, pIoCtx, cbToRead, pcbActuallyRead));
|
---|
599 | int rc = VINF_SUCCESS;
|
---|
600 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
601 | uint64_t uSector;
|
---|
602 | uint64_t uOffsetInFile;
|
---|
603 | uint32_t iIndexInAllocationTable;
|
---|
604 |
|
---|
605 | AssertPtr(pImage);
|
---|
606 | Assert(uOffset % 512 == 0);
|
---|
607 | Assert(cbToRead % 512 == 0);
|
---|
608 |
|
---|
609 | if (pImage->uImageFlags & VD_IMAGE_FLAGS_FIXED)
|
---|
610 | rc = vdIfIoIntFileReadUser(pImage->pIfIo, pImage->pStorage, uOffset,
|
---|
611 | pIoCtx, cbToRead);
|
---|
612 | else
|
---|
613 | {
|
---|
614 | /* Calculate offset in the real file. */
|
---|
615 | uSector = uOffset / 512;
|
---|
616 | /* One chunk in the file is always one track big. */
|
---|
617 | iIndexInAllocationTable = (uint32_t)(uSector / pImage->PCHSGeometry.cSectors);
|
---|
618 | uSector = uSector % pImage->PCHSGeometry.cSectors;
|
---|
619 |
|
---|
620 | cbToRead = RT_MIN(cbToRead, (pImage->PCHSGeometry.cSectors - uSector)*512);
|
---|
621 |
|
---|
622 | if (pImage->pAllocationBitmap[iIndexInAllocationTable] == 0)
|
---|
623 | rc = VERR_VD_BLOCK_FREE;
|
---|
624 | else
|
---|
625 | {
|
---|
626 | uOffsetInFile = (pImage->pAllocationBitmap[iIndexInAllocationTable] + uSector) * 512;
|
---|
627 | rc = vdIfIoIntFileReadUser(pImage->pIfIo, pImage->pStorage, uOffsetInFile,
|
---|
628 | pIoCtx, cbToRead);
|
---|
629 | }
|
---|
630 | }
|
---|
631 |
|
---|
632 | *pcbActuallyRead = cbToRead;
|
---|
633 |
|
---|
634 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
635 | return rc;
|
---|
636 | }
|
---|
637 |
|
---|
638 | /** @copydoc VDIMAGEBACKEND::pfnWrite */
|
---|
639 | static DECLCALLBACK(int) parallelsWrite(void *pBackendData, uint64_t uOffset, size_t cbToWrite,
|
---|
640 | PVDIOCTX pIoCtx, size_t *pcbWriteProcess, size_t *pcbPreRead,
|
---|
641 | size_t *pcbPostRead, unsigned fWrite)
|
---|
642 | {
|
---|
643 | LogFlowFunc(("pBackendData=%#p uOffset=%llu pIoCtx=%#p cbToWrite=%zu pcbWriteProcess=%#p\n",
|
---|
644 | pBackendData, uOffset, pIoCtx, cbToWrite, pcbWriteProcess));
|
---|
645 | int rc = VINF_SUCCESS;
|
---|
646 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
647 | uint64_t uSector;
|
---|
648 | uint64_t uOffsetInFile;
|
---|
649 | uint32_t iIndexInAllocationTable;
|
---|
650 |
|
---|
651 | AssertPtr(pImage);
|
---|
652 | Assert(uOffset % 512 == 0);
|
---|
653 | Assert(cbToWrite % 512 == 0);
|
---|
654 |
|
---|
655 | if (pImage->uImageFlags & VD_IMAGE_FLAGS_FIXED)
|
---|
656 | rc = vdIfIoIntFileWriteUser(pImage->pIfIo, pImage->pStorage, uOffset,
|
---|
657 | pIoCtx, cbToWrite, NULL, NULL);
|
---|
658 | else
|
---|
659 | {
|
---|
660 | /* Calculate offset in the real file. */
|
---|
661 | uSector = uOffset / 512;
|
---|
662 | /* One chunk in the file is always one track big. */
|
---|
663 | iIndexInAllocationTable = (uint32_t)(uSector / pImage->PCHSGeometry.cSectors);
|
---|
664 | uSector = uSector % pImage->PCHSGeometry.cSectors;
|
---|
665 |
|
---|
666 | cbToWrite = RT_MIN(cbToWrite, (pImage->PCHSGeometry.cSectors - uSector)*512);
|
---|
667 |
|
---|
668 | if (pImage->pAllocationBitmap[iIndexInAllocationTable] == 0)
|
---|
669 | {
|
---|
670 | if (fWrite & VD_WRITE_NO_ALLOC)
|
---|
671 | {
|
---|
672 | *pcbPreRead = uSector * 512;
|
---|
673 | *pcbPostRead = pImage->PCHSGeometry.cSectors * 512 - cbToWrite - *pcbPreRead;
|
---|
674 |
|
---|
675 | if (pcbWriteProcess)
|
---|
676 | *pcbWriteProcess = cbToWrite;
|
---|
677 | return VERR_VD_BLOCK_FREE;
|
---|
678 | }
|
---|
679 |
|
---|
680 | /* Allocate new chunk in the file. */
|
---|
681 | Assert(uSector == 0);
|
---|
682 | AssertMsg(pImage->cbFileCurrent % 512 == 0, ("File size is not a multiple of 512\n"));
|
---|
683 | pImage->pAllocationBitmap[iIndexInAllocationTable] = (uint32_t)(pImage->cbFileCurrent / 512);
|
---|
684 | pImage->cbFileCurrent += pImage->PCHSGeometry.cSectors * 512;
|
---|
685 | pImage->fAllocationBitmapChanged = true;
|
---|
686 | uOffsetInFile = (uint64_t)pImage->pAllocationBitmap[iIndexInAllocationTable] * 512;
|
---|
687 |
|
---|
688 | /*
|
---|
689 | * Write the new block at the current end of the file.
|
---|
690 | */
|
---|
691 | rc = vdIfIoIntFileWriteUser(pImage->pIfIo, pImage->pStorage,
|
---|
692 | uOffsetInFile, pIoCtx, cbToWrite, NULL, NULL);
|
---|
693 | if (RT_SUCCESS(rc) || (rc == VERR_VD_ASYNC_IO_IN_PROGRESS))
|
---|
694 | {
|
---|
695 | /* Write the changed allocation bitmap entry. */
|
---|
696 | /** @todo Error handling. */
|
---|
697 | rc = vdIfIoIntFileWriteMeta(pImage->pIfIo, pImage->pStorage,
|
---|
698 | sizeof(ParallelsHeader) + iIndexInAllocationTable * sizeof(uint32_t),
|
---|
699 | &pImage->pAllocationBitmap[iIndexInAllocationTable],
|
---|
700 | sizeof(uint32_t), pIoCtx,
|
---|
701 | NULL, NULL);
|
---|
702 | }
|
---|
703 |
|
---|
704 | *pcbPreRead = 0;
|
---|
705 | *pcbPostRead = 0;
|
---|
706 | }
|
---|
707 | else
|
---|
708 | {
|
---|
709 | uOffsetInFile = (pImage->pAllocationBitmap[iIndexInAllocationTable] + uSector) * 512;
|
---|
710 | rc = vdIfIoIntFileWriteUser(pImage->pIfIo, pImage->pStorage,
|
---|
711 | uOffsetInFile, pIoCtx, cbToWrite, NULL, NULL);
|
---|
712 | }
|
---|
713 | }
|
---|
714 |
|
---|
715 | if (pcbWriteProcess)
|
---|
716 | *pcbWriteProcess = cbToWrite;
|
---|
717 |
|
---|
718 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
719 | return rc;
|
---|
720 | }
|
---|
721 |
|
---|
722 | /** @copydoc VDIMAGEBACKEND::pfnFlush */
|
---|
723 | static DECLCALLBACK(int) parallelsFlush(void *pBackendData, PVDIOCTX pIoCtx)
|
---|
724 | {
|
---|
725 | int rc = VINF_SUCCESS;
|
---|
726 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
727 |
|
---|
728 | LogFlowFunc(("pImage=#%p\n", pImage));
|
---|
729 |
|
---|
730 | /* Flush the file, everything is up to date already. */
|
---|
731 | rc = vdIfIoIntFileFlush(pImage->pIfIo, pImage->pStorage, pIoCtx, NULL, NULL);
|
---|
732 |
|
---|
733 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
734 | return rc;
|
---|
735 | }
|
---|
736 |
|
---|
737 | /** @copydoc VDIMAGEBACKEND::pfnGetVersion */
|
---|
738 | static DECLCALLBACK(unsigned) parallelsGetVersion(void *pBackendData)
|
---|
739 | {
|
---|
740 | LogFlowFunc(("pBackendData=%#p\n", pBackendData));
|
---|
741 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
742 |
|
---|
743 | AssertPtrReturn(pImage, 0);
|
---|
744 |
|
---|
745 | return PARALLELS_DISK_VERSION;
|
---|
746 | }
|
---|
747 |
|
---|
748 | /** @copydoc VDIMAGEBACKEND::pfnGetFileSize */
|
---|
749 | static DECLCALLBACK(uint64_t) parallelsGetFileSize(void *pBackendData)
|
---|
750 | {
|
---|
751 | LogFlowFunc(("pBackendData=%#p\n", pBackendData));
|
---|
752 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
753 | uint64_t cb = 0;
|
---|
754 |
|
---|
755 | AssertPtrReturn(pImage, 0);
|
---|
756 |
|
---|
757 | if (pImage->pStorage)
|
---|
758 | cb = pImage->cbFileCurrent;
|
---|
759 |
|
---|
760 | LogFlowFunc(("returns %lld\n", cb));
|
---|
761 | return cb;
|
---|
762 | }
|
---|
763 |
|
---|
764 | /** @copydoc VDIMAGEBACKEND::pfnGetPCHSGeometry */
|
---|
765 | static DECLCALLBACK(int) parallelsGetPCHSGeometry(void *pBackendData,
|
---|
766 | PVDGEOMETRY pPCHSGeometry)
|
---|
767 | {
|
---|
768 | LogFlowFunc(("pBackendData=%#p pPCHSGeometry=%#p\n", pBackendData, pPCHSGeometry));
|
---|
769 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
770 | int rc = VINF_SUCCESS;
|
---|
771 |
|
---|
772 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
773 |
|
---|
774 | if (pImage->PCHSGeometry.cCylinders)
|
---|
775 | *pPCHSGeometry = pImage->PCHSGeometry;
|
---|
776 | else
|
---|
777 | rc = VERR_VD_GEOMETRY_NOT_SET;
|
---|
778 |
|
---|
779 | LogFlowFunc(("returns %Rrc (PCHS=%u/%u/%u)\n", rc, pPCHSGeometry->cCylinders, pPCHSGeometry->cHeads, pPCHSGeometry->cSectors));
|
---|
780 | return rc;
|
---|
781 | }
|
---|
782 |
|
---|
783 | /** @copydoc VDIMAGEBACKEND::pfnSetPCHSGeometry */
|
---|
784 | static DECLCALLBACK(int) parallelsSetPCHSGeometry(void *pBackendData,
|
---|
785 | PCVDGEOMETRY pPCHSGeometry)
|
---|
786 | {
|
---|
787 | LogFlowFunc(("pBackendData=%#p pPCHSGeometry=%#p PCHS=%u/%u/%u\n", pBackendData,
|
---|
788 | pPCHSGeometry, pPCHSGeometry->cCylinders, pPCHSGeometry->cHeads, pPCHSGeometry->cSectors));
|
---|
789 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
790 | int rc = VINF_SUCCESS;
|
---|
791 |
|
---|
792 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
793 |
|
---|
794 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
795 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
796 | else
|
---|
797 | pImage->PCHSGeometry = *pPCHSGeometry;
|
---|
798 |
|
---|
799 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
800 | return rc;
|
---|
801 | }
|
---|
802 |
|
---|
803 | /** @copydoc VDIMAGEBACKEND::pfnGetLCHSGeometry */
|
---|
804 | static DECLCALLBACK(int) parallelsGetLCHSGeometry(void *pBackendData,
|
---|
805 | PVDGEOMETRY pLCHSGeometry)
|
---|
806 | {
|
---|
807 | LogFlowFunc(("pBackendData=%#p pLCHSGeometry=%#p\n", pBackendData, pLCHSGeometry));
|
---|
808 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
809 | int rc = VINF_SUCCESS;
|
---|
810 |
|
---|
811 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
812 |
|
---|
813 | if (pImage->LCHSGeometry.cCylinders)
|
---|
814 | *pLCHSGeometry = pImage->LCHSGeometry;
|
---|
815 | else
|
---|
816 | rc = VERR_VD_GEOMETRY_NOT_SET;
|
---|
817 |
|
---|
818 | LogFlowFunc(("returns %Rrc (LCHS=%u/%u/%u)\n", rc, pLCHSGeometry->cCylinders, pLCHSGeometry->cHeads, pLCHSGeometry->cSectors));
|
---|
819 | return rc;
|
---|
820 | }
|
---|
821 |
|
---|
822 | /** @copydoc VDIMAGEBACKEND::pfnSetLCHSGeometry */
|
---|
823 | static DECLCALLBACK(int) parallelsSetLCHSGeometry(void *pBackendData,
|
---|
824 | PCVDGEOMETRY pLCHSGeometry)
|
---|
825 | {
|
---|
826 | LogFlowFunc(("pBackendData=%#p pLCHSGeometry=%#p LCHS=%u/%u/%u\n", pBackendData, pLCHSGeometry, pLCHSGeometry->cCylinders, pLCHSGeometry->cHeads, pLCHSGeometry->cSectors));
|
---|
827 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
828 | int rc = VINF_SUCCESS;
|
---|
829 |
|
---|
830 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
831 |
|
---|
832 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
833 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
834 | else
|
---|
835 | pImage->LCHSGeometry = *pLCHSGeometry;
|
---|
836 |
|
---|
837 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
838 | return rc;
|
---|
839 | }
|
---|
840 |
|
---|
841 | /** @copydoc VDIMAGEBACKEND::pfnQueryRegions */
|
---|
842 | static DECLCALLBACK(int) parallelsQueryRegions(void *pBackendData, PCVDREGIONLIST *ppRegionList)
|
---|
843 | {
|
---|
844 | LogFlowFunc(("pBackendData=%#p ppRegionList=%#p\n", pBackendData, ppRegionList));
|
---|
845 | PPARALLELSIMAGE pThis = (PPARALLELSIMAGE)pBackendData;
|
---|
846 |
|
---|
847 | AssertPtrReturn(pThis, VERR_VD_NOT_OPENED);
|
---|
848 |
|
---|
849 | *ppRegionList = &pThis->RegionList;
|
---|
850 | LogFlowFunc(("returns %Rrc\n", VINF_SUCCESS));
|
---|
851 | return VINF_SUCCESS;
|
---|
852 | }
|
---|
853 |
|
---|
854 | /** @copydoc VDIMAGEBACKEND::pfnRegionListRelease */
|
---|
855 | static DECLCALLBACK(void) parallelsRegionListRelease(void *pBackendData, PCVDREGIONLIST pRegionList)
|
---|
856 | {
|
---|
857 | RT_NOREF1(pRegionList);
|
---|
858 | LogFlowFunc(("pBackendData=%#p pRegionList=%#p\n", pBackendData, pRegionList));
|
---|
859 | PPARALLELSIMAGE pThis = (PPARALLELSIMAGE)pBackendData;
|
---|
860 | AssertPtr(pThis); RT_NOREF(pThis);
|
---|
861 |
|
---|
862 | /* Nothing to do here. */
|
---|
863 | }
|
---|
864 |
|
---|
865 | /** @copydoc VDIMAGEBACKEND::pfnGetImageFlags */
|
---|
866 | static DECLCALLBACK(unsigned) parallelsGetImageFlags(void *pBackendData)
|
---|
867 | {
|
---|
868 | LogFlowFunc(("pBackendData=%#p\n", pBackendData));
|
---|
869 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
870 |
|
---|
871 | AssertPtrReturn(pImage, 0);
|
---|
872 |
|
---|
873 | LogFlowFunc(("returns %#x\n", pImage->uImageFlags));
|
---|
874 | return pImage->uImageFlags;
|
---|
875 | }
|
---|
876 |
|
---|
877 | /** @copydoc VDIMAGEBACKEND::pfnGetOpenFlags */
|
---|
878 | static DECLCALLBACK(unsigned) parallelsGetOpenFlags(void *pBackendData)
|
---|
879 | {
|
---|
880 | LogFlowFunc(("pBackendData=%#p\n", pBackendData));
|
---|
881 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
882 |
|
---|
883 | AssertPtrReturn(pImage, 0);
|
---|
884 |
|
---|
885 | LogFlowFunc(("returns %#x\n", pImage->uOpenFlags));
|
---|
886 | return pImage->uOpenFlags;
|
---|
887 | }
|
---|
888 |
|
---|
889 | /** @copydoc VDIMAGEBACKEND::pfnSetOpenFlags */
|
---|
890 | static DECLCALLBACK(int) parallelsSetOpenFlags(void *pBackendData, unsigned uOpenFlags)
|
---|
891 | {
|
---|
892 | LogFlowFunc(("pBackendData=%#p\n uOpenFlags=%#x", pBackendData, uOpenFlags));
|
---|
893 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
894 | int rc = VINF_SUCCESS;
|
---|
895 |
|
---|
896 | /* Image must be opened and the new flags must be valid. */
|
---|
897 | if (!pImage || (uOpenFlags & ~( VD_OPEN_FLAGS_READONLY | VD_OPEN_FLAGS_INFO
|
---|
898 | | VD_OPEN_FLAGS_ASYNC_IO | VD_OPEN_FLAGS_SHAREABLE
|
---|
899 | | VD_OPEN_FLAGS_SEQUENTIAL | VD_OPEN_FLAGS_SKIP_CONSISTENCY_CHECKS)))
|
---|
900 | rc = VERR_INVALID_PARAMETER;
|
---|
901 | else
|
---|
902 | {
|
---|
903 | /* Implement this operation via reopening the image. */
|
---|
904 | parallelsFreeImage(pImage, false);
|
---|
905 | rc = parallelsOpenImage(pImage, uOpenFlags);
|
---|
906 | }
|
---|
907 |
|
---|
908 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
909 | return rc;
|
---|
910 | }
|
---|
911 |
|
---|
912 | /** @copydoc VDIMAGEBACKEND::pfnGetComment */
|
---|
913 | static DECLCALLBACK(int) parallelsGetComment(void *pBackendData, char *pszComment,
|
---|
914 | size_t cbComment)
|
---|
915 | {
|
---|
916 | RT_NOREF2(pszComment, cbComment);
|
---|
917 | LogFlowFunc(("pBackendData=%#p pszComment=%#p cbComment=%zu\n", pBackendData, pszComment, cbComment));
|
---|
918 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
919 |
|
---|
920 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
921 |
|
---|
922 | LogFlowFunc(("returns %Rrc comment='%s'\n", VERR_NOT_SUPPORTED, pszComment));
|
---|
923 | return VERR_NOT_SUPPORTED;
|
---|
924 | }
|
---|
925 |
|
---|
926 | /** @copydoc VDIMAGEBACKEND::pfnSetComment */
|
---|
927 | static DECLCALLBACK(int) parallelsSetComment(void *pBackendData, const char *pszComment)
|
---|
928 | {
|
---|
929 | RT_NOREF1(pszComment);
|
---|
930 | LogFlowFunc(("pBackendData=%#p pszComment=\"%s\"\n", pBackendData, pszComment));
|
---|
931 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
932 |
|
---|
933 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
934 |
|
---|
935 | int rc;
|
---|
936 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
937 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
938 | else
|
---|
939 | rc = VERR_NOT_SUPPORTED;
|
---|
940 |
|
---|
941 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
942 | return rc;
|
---|
943 | }
|
---|
944 |
|
---|
945 | /** @copydoc VDIMAGEBACKEND::pfnGetUuid */
|
---|
946 | static DECLCALLBACK(int) parallelsGetUuid(void *pBackendData, PRTUUID pUuid)
|
---|
947 | {
|
---|
948 | RT_NOREF1(pUuid);
|
---|
949 | LogFlowFunc(("pBackendData=%#p pUuid=%#p\n", pBackendData, pUuid));
|
---|
950 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
951 |
|
---|
952 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
953 |
|
---|
954 | LogFlowFunc(("returns %Rrc (%RTuuid)\n", VERR_NOT_SUPPORTED, pUuid));
|
---|
955 | return VERR_NOT_SUPPORTED;
|
---|
956 | }
|
---|
957 |
|
---|
958 | /** @copydoc VDIMAGEBACKEND::pfnSetUuid */
|
---|
959 | static DECLCALLBACK(int) parallelsSetUuid(void *pBackendData, PCRTUUID pUuid)
|
---|
960 | {
|
---|
961 | RT_NOREF1(pUuid);
|
---|
962 | LogFlowFunc(("pBackendData=%#p Uuid=%RTuuid\n", pBackendData, pUuid));
|
---|
963 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
964 |
|
---|
965 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
966 |
|
---|
967 | int rc;
|
---|
968 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
969 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
970 | else
|
---|
971 | rc = VERR_NOT_SUPPORTED;
|
---|
972 |
|
---|
973 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
974 | return rc;
|
---|
975 | }
|
---|
976 |
|
---|
977 | /** @copydoc VDIMAGEBACKEND::pfnGetModificationUuid */
|
---|
978 | static DECLCALLBACK(int) parallelsGetModificationUuid(void *pBackendData, PRTUUID pUuid)
|
---|
979 | {
|
---|
980 | RT_NOREF1(pUuid);
|
---|
981 | LogFlowFunc(("pBackendData=%#p pUuid=%#p\n", pBackendData, pUuid));
|
---|
982 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
983 |
|
---|
984 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
985 |
|
---|
986 | LogFlowFunc(("returns %Rrc (%RTuuid)\n", VERR_NOT_SUPPORTED, pUuid));
|
---|
987 | return VERR_NOT_SUPPORTED;
|
---|
988 | }
|
---|
989 |
|
---|
990 | /** @copydoc VDIMAGEBACKEND::pfnSetModificationUuid */
|
---|
991 | static DECLCALLBACK(int) parallelsSetModificationUuid(void *pBackendData, PCRTUUID pUuid)
|
---|
992 | {
|
---|
993 | RT_NOREF1(pUuid);
|
---|
994 | LogFlowFunc(("pBackendData=%#p Uuid=%RTuuid\n", pBackendData, pUuid));
|
---|
995 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
996 |
|
---|
997 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
998 |
|
---|
999 | int rc;
|
---|
1000 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
1001 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
1002 | else
|
---|
1003 | rc = VERR_NOT_SUPPORTED;
|
---|
1004 |
|
---|
1005 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1006 | return rc;
|
---|
1007 | }
|
---|
1008 |
|
---|
1009 | /** @copydoc VDIMAGEBACKEND::pfnGetParentUuid */
|
---|
1010 | static DECLCALLBACK(int) parallelsGetParentUuid(void *pBackendData, PRTUUID pUuid)
|
---|
1011 | {
|
---|
1012 | RT_NOREF1(pUuid);
|
---|
1013 | LogFlowFunc(("pBackendData=%#p pUuid=%#p\n", pBackendData, pUuid));
|
---|
1014 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
1015 |
|
---|
1016 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
1017 |
|
---|
1018 | LogFlowFunc(("returns %Rrc (%RTuuid)\n", VERR_NOT_SUPPORTED, pUuid));
|
---|
1019 | return VERR_NOT_SUPPORTED;
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | /** @copydoc VDIMAGEBACKEND::pfnSetParentUuid */
|
---|
1023 | static DECLCALLBACK(int) parallelsSetParentUuid(void *pBackendData, PCRTUUID pUuid)
|
---|
1024 | {
|
---|
1025 | RT_NOREF1(pUuid);
|
---|
1026 | LogFlowFunc(("pBackendData=%#p Uuid=%RTuuid\n", pBackendData, pUuid));
|
---|
1027 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
1028 |
|
---|
1029 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
1030 |
|
---|
1031 | int rc;
|
---|
1032 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
1033 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
1034 | else
|
---|
1035 | rc = VERR_NOT_SUPPORTED;
|
---|
1036 |
|
---|
1037 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1038 | return rc;
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 | /** @copydoc VDIMAGEBACKEND::pfnGetParentModificationUuid */
|
---|
1042 | static DECLCALLBACK(int) parallelsGetParentModificationUuid(void *pBackendData, PRTUUID pUuid)
|
---|
1043 | {
|
---|
1044 | RT_NOREF1(pUuid);
|
---|
1045 | LogFlowFunc(("pBackendData=%#p pUuid=%#p\n", pBackendData, pUuid));
|
---|
1046 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
1047 |
|
---|
1048 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
1049 |
|
---|
1050 | int rc;
|
---|
1051 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
1052 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
1053 | else
|
---|
1054 | rc = VERR_NOT_SUPPORTED;
|
---|
1055 |
|
---|
1056 | LogFlowFunc(("returns %Rrc (%RTuuid)\n", rc, pUuid));
|
---|
1057 | return rc;
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | /** @copydoc VDIMAGEBACKEND::pfnSetParentModificationUuid */
|
---|
1061 | static DECLCALLBACK(int) parallelsSetParentModificationUuid(void *pBackendData, PCRTUUID pUuid)
|
---|
1062 | {
|
---|
1063 | RT_NOREF1(pUuid);
|
---|
1064 | LogFlowFunc(("pBackendData=%#p Uuid=%RTuuid\n", pBackendData, pUuid));
|
---|
1065 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
1066 |
|
---|
1067 | AssertPtrReturn(pImage, VERR_VD_NOT_OPENED);
|
---|
1068 |
|
---|
1069 | int rc;
|
---|
1070 | if (pImage->uOpenFlags & VD_OPEN_FLAGS_READONLY)
|
---|
1071 | rc = VERR_VD_IMAGE_READ_ONLY;
|
---|
1072 | else
|
---|
1073 | rc = VERR_NOT_SUPPORTED;
|
---|
1074 |
|
---|
1075 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1076 | return rc;
|
---|
1077 | }
|
---|
1078 |
|
---|
1079 | /** @copydoc VDIMAGEBACKEND::pfnDump */
|
---|
1080 | static DECLCALLBACK(void) parallelsDump(void *pBackendData)
|
---|
1081 | {
|
---|
1082 | PPARALLELSIMAGE pImage = (PPARALLELSIMAGE)pBackendData;
|
---|
1083 |
|
---|
1084 | AssertPtrReturnVoid(pImage);
|
---|
1085 | vdIfErrorMessage(pImage->pIfError, "Header: Geometry PCHS=%u/%u/%u LCHS=%u/%u/%u\n",
|
---|
1086 | pImage->PCHSGeometry.cCylinders, pImage->PCHSGeometry.cHeads, pImage->PCHSGeometry.cSectors,
|
---|
1087 | pImage->LCHSGeometry.cCylinders, pImage->LCHSGeometry.cHeads, pImage->LCHSGeometry.cSectors);
|
---|
1088 | }
|
---|
1089 |
|
---|
1090 |
|
---|
1091 |
|
---|
1092 | const VDIMAGEBACKEND g_ParallelsBackend =
|
---|
1093 | {
|
---|
1094 | /* u32Version */
|
---|
1095 | VD_IMGBACKEND_VERSION,
|
---|
1096 | /* pszBackendName */
|
---|
1097 | "Parallels",
|
---|
1098 | /* uBackendCaps */
|
---|
1099 | VD_CAP_FILE | VD_CAP_ASYNC | VD_CAP_VFS | VD_CAP_CREATE_DYNAMIC | VD_CAP_DIFF,
|
---|
1100 | /* paFileExtensions */
|
---|
1101 | s_aParallelsFileExtensions,
|
---|
1102 | /* paConfigInfo */
|
---|
1103 | NULL,
|
---|
1104 | /* pfnProbe */
|
---|
1105 | parallelsProbe,
|
---|
1106 | /* pfnOpen */
|
---|
1107 | parallelsOpen,
|
---|
1108 | /* pfnCreate */
|
---|
1109 | parallelsCreate,
|
---|
1110 | /* pfnRename */
|
---|
1111 | parallelsRename,
|
---|
1112 | /* pfnClose */
|
---|
1113 | parallelsClose,
|
---|
1114 | /* pfnRead */
|
---|
1115 | parallelsRead,
|
---|
1116 | /* pfnWrite */
|
---|
1117 | parallelsWrite,
|
---|
1118 | /* pfnFlush */
|
---|
1119 | parallelsFlush,
|
---|
1120 | /* pfnDiscard */
|
---|
1121 | NULL,
|
---|
1122 | /* pfnGetVersion */
|
---|
1123 | parallelsGetVersion,
|
---|
1124 | /* pfnGetFileSize */
|
---|
1125 | parallelsGetFileSize,
|
---|
1126 | /* pfnGetPCHSGeometry */
|
---|
1127 | parallelsGetPCHSGeometry,
|
---|
1128 | /* pfnSetPCHSGeometry */
|
---|
1129 | parallelsSetPCHSGeometry,
|
---|
1130 | /* pfnGetLCHSGeometry */
|
---|
1131 | parallelsGetLCHSGeometry,
|
---|
1132 | /* pfnSetLCHSGeometry */
|
---|
1133 | parallelsSetLCHSGeometry,
|
---|
1134 | /* pfnQueryRegions */
|
---|
1135 | parallelsQueryRegions,
|
---|
1136 | /* pfnRegionListRelease */
|
---|
1137 | parallelsRegionListRelease,
|
---|
1138 | /* pfnGetImageFlags */
|
---|
1139 | parallelsGetImageFlags,
|
---|
1140 | /* pfnGetOpenFlags */
|
---|
1141 | parallelsGetOpenFlags,
|
---|
1142 | /* pfnSetOpenFlags */
|
---|
1143 | parallelsSetOpenFlags,
|
---|
1144 | /* pfnGetComment */
|
---|
1145 | parallelsGetComment,
|
---|
1146 | /* pfnSetComment */
|
---|
1147 | parallelsSetComment,
|
---|
1148 | /* pfnGetUuid */
|
---|
1149 | parallelsGetUuid,
|
---|
1150 | /* pfnSetUuid */
|
---|
1151 | parallelsSetUuid,
|
---|
1152 | /* pfnGetModificationUuid */
|
---|
1153 | parallelsGetModificationUuid,
|
---|
1154 | /* pfnSetModificationUuid */
|
---|
1155 | parallelsSetModificationUuid,
|
---|
1156 | /* pfnGetParentUuid */
|
---|
1157 | parallelsGetParentUuid,
|
---|
1158 | /* pfnSetParentUuid */
|
---|
1159 | parallelsSetParentUuid,
|
---|
1160 | /* pfnGetParentModificationUuid */
|
---|
1161 | parallelsGetParentModificationUuid,
|
---|
1162 | /* pfnSetParentModificationUuid */
|
---|
1163 | parallelsSetParentModificationUuid,
|
---|
1164 | /* pfnDump */
|
---|
1165 | parallelsDump,
|
---|
1166 | /* pfnGetTimestamp */
|
---|
1167 | NULL,
|
---|
1168 | /* pfnGetParentTimestamp */
|
---|
1169 | NULL,
|
---|
1170 | /* pfnSetParentTimestamp */
|
---|
1171 | NULL,
|
---|
1172 | /* pfnGetParentFilename */
|
---|
1173 | NULL,
|
---|
1174 | /* pfnSetParentFilename */
|
---|
1175 | NULL,
|
---|
1176 | /* pfnComposeLocation */
|
---|
1177 | genericFileComposeLocation,
|
---|
1178 | /* pfnComposeName */
|
---|
1179 | genericFileComposeName,
|
---|
1180 | /* pfnCompact */
|
---|
1181 | NULL,
|
---|
1182 | /* pfnResize */
|
---|
1183 | NULL,
|
---|
1184 | /* pfnRepair */
|
---|
1185 | NULL,
|
---|
1186 | /* pfnTraverseMetadata */
|
---|
1187 | NULL,
|
---|
1188 | /* u32VersionEnd */
|
---|
1189 | VD_IMGBACKEND_VERSION
|
---|
1190 | };
|
---|