1 | /* $Id: DrvDiskIntegrity.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * VBox storage devices: Disk integrity check.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 |
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29 | /*********************************************************************************************************************************
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30 | * Header Files *
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31 | *********************************************************************************************************************************/
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32 | #define LOG_GROUP LOG_GROUP_DRV_DISK_INTEGRITY
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33 | #include <VBox/vmm/pdmdrv.h>
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34 | #include <VBox/vmm/pdmstorageifs.h>
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35 | #include <iprt/assert.h>
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36 | #include <iprt/string.h>
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37 | #include <iprt/uuid.h>
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38 | #include <iprt/avl.h>
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39 | #include <iprt/mem.h>
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40 | #include <iprt/memcache.h>
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41 | #include <iprt/message.h>
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42 | #include <iprt/sg.h>
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43 | #include <iprt/time.h>
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44 | #include <iprt/tracelog.h>
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45 | #include <iprt/semaphore.h>
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46 | #include <iprt/asm.h>
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47 |
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48 | #include "VBoxDD.h"
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49 |
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50 |
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51 | /*********************************************************************************************************************************
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52 | * Structures and Typedefs *
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53 | *********************************************************************************************************************************/
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54 |
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55 | /**
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56 | * Transfer direction.
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57 | */
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58 | typedef enum DRVDISKAIOTXDIR
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59 | {
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60 | /** Invalid. */
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61 | DRVDISKAIOTXDIR_INVALID = 0,
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62 | /** Read */
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63 | DRVDISKAIOTXDIR_READ,
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64 | /** Write */
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65 | DRVDISKAIOTXDIR_WRITE,
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66 | /** Flush */
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67 | DRVDISKAIOTXDIR_FLUSH,
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68 | /** Discard */
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69 | DRVDISKAIOTXDIR_DISCARD,
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70 | /** Read after write for immediate verification. */
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71 | DRVDISKAIOTXDIR_READ_AFTER_WRITE
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72 | } DRVDISKAIOTXDIR;
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73 |
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74 | /**
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75 | * async I/O request.
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76 | */
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77 | typedef struct DRVDISKAIOREQ
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78 | {
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79 | /** Transfer direction. */
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80 | DRVDISKAIOTXDIR enmTxDir;
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81 | /** Start offset. */
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82 | uint64_t off;
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83 | /** Transfer size. */
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84 | size_t cbTransfer;
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85 | /** Segment array. */
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86 | PCRTSGSEG paSeg;
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87 | /** Number of array entries. */
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88 | unsigned cSeg;
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89 | /** User argument */
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90 | void *pvUser;
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91 | /** Slot in the array. */
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92 | unsigned iSlot;
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93 | /** Start timestamp */
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94 | uint64_t tsStart;
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95 | /** Completion timestamp. */
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96 | uint64_t tsComplete;
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97 | /** Ranges to discard. */
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98 | PCRTRANGE paRanges;
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99 | /** Number of ranges. */
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100 | unsigned cRanges;
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101 | /** I/O segment for the extended media interface
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102 | * to hold the data. */
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103 | RTSGSEG IoSeg;
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104 | } DRVDISKAIOREQ, *PDRVDISKAIOREQ;
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105 |
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106 | /**
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107 | * I/O log entry.
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108 | */
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109 | typedef struct IOLOGENT
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110 | {
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111 | /** Start offset */
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112 | uint64_t off;
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113 | /** Write size */
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114 | size_t cbWrite;
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115 | /** Number of references to this entry. */
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116 | unsigned cRefs;
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117 | } IOLOGENT, *PIOLOGENT;
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118 |
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119 | /**
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120 | * Disk segment.
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121 | */
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122 | typedef struct DRVDISKSEGMENT
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123 | {
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124 | /** AVL core. */
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125 | AVLRFOFFNODECORE Core;
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126 | /** Size of the segment */
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127 | size_t cbSeg;
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128 | /** Data for this segment */
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129 | uint8_t *pbSeg;
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130 | /** Number of entries in the I/O array. */
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131 | unsigned cIoLogEntries;
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132 | /** Array of I/O log references. */
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133 | PIOLOGENT apIoLog[1];
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134 | } DRVDISKSEGMENT, *PDRVDISKSEGMENT;
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135 |
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136 | /**
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137 | * Active requests list entry.
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138 | */
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139 | typedef struct DRVDISKAIOREQACTIVE
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140 | {
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141 | /** Pointer to the request. */
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142 | volatile PDRVDISKAIOREQ pIoReq;
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143 | /** Start timestamp. */
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144 | uint64_t tsStart;
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145 | } DRVDISKAIOREQACTIVE, *PDRVDISKAIOREQACTIVE;
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146 |
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147 | /**
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148 | * Disk integrity driver instance data.
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149 | *
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150 | * @implements PDMIMEDIA
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151 | * @implements PDMIMEDIAPORT
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152 | * @implements PDMIMEDIAEX
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153 | * @implements PDMIMEDIAEXPORT
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154 | * @implements PDMIMEDIAMOUNT
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155 | * @implements PDMIMEDIAMOUNTNOTIFY
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156 | */
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157 | typedef struct DRVDISKINTEGRITY
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158 | {
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159 | /** Pointer driver instance. */
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160 | PPDMDRVINS pDrvIns;
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161 | /** Pointer to the media driver below us.
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162 | * This is NULL if the media is not mounted. */
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163 | PPDMIMEDIA pDrvMedia;
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164 | /** Our media interface */
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165 | PDMIMEDIA IMedia;
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166 |
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167 | /** The media port interface above. */
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168 | PPDMIMEDIAPORT pDrvMediaPort;
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169 | /** Media port interface */
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170 | PDMIMEDIAPORT IMediaPort;
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171 |
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172 | /** The extended media port interface above. */
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173 | PPDMIMEDIAEXPORT pDrvMediaExPort;
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174 | /** Our extended media port interface */
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175 | PDMIMEDIAEXPORT IMediaExPort;
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176 |
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177 | /** The extended media interface below. */
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178 | PPDMIMEDIAEX pDrvMediaEx;
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179 | /** Our extended media interface */
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180 | PDMIMEDIAEX IMediaEx;
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181 |
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182 | /** The mount interface below. */
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183 | PPDMIMOUNT pDrvMount;
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184 | /** Our mount interface */
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185 | PDMIMOUNT IMount;
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186 |
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187 | /** The mount notify interface above. */
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188 | PPDMIMOUNTNOTIFY pDrvMountNotify;
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189 | /** Our mount notify interface. */
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190 | PDMIMOUNTNOTIFY IMountNotify;
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191 |
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192 | /** Flag whether consistency checks are enabled. */
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193 | bool fCheckConsistency;
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194 | /** Flag whether the RAM disk was prepopulated. */
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195 | bool fPrepopulateRamDisk;
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196 | /** AVL tree containing the disk blocks to check. */
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197 | PAVLRFOFFTREE pTreeSegments;
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198 |
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199 | /** Flag whether async request tracing is enabled. */
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200 | bool fTraceRequests;
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201 | /** Interval the thread should check for expired requests (milliseconds). */
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202 | uint32_t uCheckIntervalMs;
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203 | /** Expire timeout for a request (milliseconds). */
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204 | uint32_t uExpireIntervalMs;
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205 | /** Thread which checks for lost requests. */
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206 | RTTHREAD hThread;
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207 | /** Event semaphore */
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208 | RTSEMEVENT SemEvent;
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209 | /** Flag whether the thread should run. */
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210 | bool fRunning;
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211 | /** Array containing active requests. */
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212 | DRVDISKAIOREQACTIVE apReqActive[128];
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213 | /** Next free slot in the array */
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214 | volatile unsigned iNextFreeSlot;
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215 | /** Request cache. */
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216 | RTMEMCACHE hReqCache;
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217 |
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218 | /** Flag whether we check for requests completing twice. */
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219 | bool fCheckDoubleCompletion;
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220 | /** Number of requests we go back. */
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221 | unsigned cEntries;
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222 | /** Array of completed but still observed requests. */
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223 | PDRVDISKAIOREQ *papIoReq;
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224 | /** Current entry in the array. */
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225 | unsigned iEntry;
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226 |
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227 | /** Flag whether to do a immediate read after write for verification. */
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228 | bool fReadAfterWrite;
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229 | /** Flag whether to record the data to write before the write completed successfully.
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230 | * Useful in case the data is modified in place later on (encryption for instance). */
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231 | bool fRecordWriteBeforeCompletion;
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232 | /** Flag whether to validate memory buffers when the extended media interface is used. */
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233 | bool fValidateMemBufs;
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234 |
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235 | /** I/O logger to use if enabled. */
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236 | RTTRACELOGWR hIoLogger;
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237 | /** Size of the opaque handle until our tracking structure starts in bytes. */
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238 | size_t cbIoReqOpaque;
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239 | } DRVDISKINTEGRITY, *PDRVDISKINTEGRITY;
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240 |
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241 |
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242 | /**
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243 | * Read/Write event items.
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244 | */
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245 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsReadWrite[] =
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246 | {
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247 | { "Async", "Flag whether the request is asynchronous", RTTRACELOGTYPE_BOOL, 0 },
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248 | { "Offset", "Offset to start reading/writing from/to", RTTRACELOGTYPE_UINT64, 0 },
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249 | { "Size", "Number of bytes to transfer", RTTRACELOGTYPE_SIZE, 0 }
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250 | };
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251 |
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252 | /**
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253 | * Flush event items.
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254 | */
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255 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsFlush[] =
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256 | {
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257 | { "Async", "Flag whether the request is asynchronous", RTTRACELOGTYPE_BOOL, 0 }
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258 | };
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259 |
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260 | /**
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261 | * I/O request complete items.
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262 | */
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263 | static const RTTRACELOGEVTITEMDESC g_aEvtItemsComplete[] =
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264 | {
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265 | { "Status", "Status code the request completed with", RTTRACELOGTYPE_INT32, 0 }
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266 | };
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267 |
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268 | /** Read event descriptor. */
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269 | static const RTTRACELOGEVTDESC g_EvtRead =
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270 | { "Read", "Read data from disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsReadWrite), &g_aEvtItemsReadWrite[0] };
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271 | /** Write event descriptor. */
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272 | static const RTTRACELOGEVTDESC g_EvtWrite =
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273 | { "Write", "Write data to disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsReadWrite), &g_aEvtItemsReadWrite[0] };
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274 | /** Flush event descriptor. */
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275 | static const RTTRACELOGEVTDESC g_EvtFlush =
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276 | { "Flush", "Flush written data to disk", RTTRACELOGEVTSEVERITY_DEBUG, RT_ELEMENTS(g_aEvtItemsFlush), &g_aEvtItemsFlush[0] };
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277 | /** I/O request complete event descriptor. */
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278 | static const RTTRACELOGEVTDESC g_EvtComplete =
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279 | { "Complete", "A previously started I/O request completed", RTTRACELOGEVTSEVERITY_DEBUG,
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280 | RT_ELEMENTS(g_aEvtItemsComplete), &g_aEvtItemsComplete[0]};
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281 |
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282 | #define DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(a_pThis, a_hIoReq) ((*(PDRVDISKAIOREQ *)((uintptr_t)(a_hIoReq) + (a_pThis)->cbIoReqOpaque)))
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283 | #define DISKINTEGRITY_IOREQ_HANDLE_2_UPPER_OPAQUE(a_pThis, a_hIoReq) ((void *)((uintptr_t)(a_hIoReq) + (a_pThis)->cbIoReqOpaque + sizeof(PDRVDISKAIOREQ)))
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284 | #define DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(a_pvIoReqAlloc) (*(PDRVDISKAIOREQ *)(a_pvIoReqAlloc))
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285 | #define DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(a_pvIoReqAlloc) ((void *)((uintptr_t)(a_pvIoReqAlloc) + sizeof(PDRVDISKAIOREQ)))
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286 |
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287 | static void drvdiskintIoReqCheckForDoubleCompletion(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq,
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288 | bool fMediaEx)
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289 | {
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290 | /* Search if the I/O request completed already. */
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291 | for (unsigned i = 0; i < pThis->cEntries; i++)
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292 | {
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293 | if (RT_UNLIKELY(pThis->papIoReq[i] == pIoReq))
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294 | {
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295 | RTMsgError("Request %#p completed already!\n", pIoReq);
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296 | if (!fMediaEx)
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297 | RTMsgError("Start timestamp %llu Completion timestamp %llu (completed after %llu ms)\n",
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298 | pIoReq->tsStart, pIoReq->tsComplete, pIoReq->tsComplete - pIoReq->tsStart);
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299 | RTAssertDebugBreak();
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300 | }
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301 | }
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302 |
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303 | pIoReq->tsComplete = RTTimeSystemMilliTS();
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304 | Assert(!pThis->papIoReq[pThis->iEntry]);
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305 | pThis->papIoReq[pThis->iEntry] = pIoReq;
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306 |
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307 | pThis->iEntry = (pThis->iEntry+1) % pThis->cEntries;
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308 | if (pThis->papIoReq[pThis->iEntry])
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309 | {
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310 | if (!fMediaEx)
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311 | RTMemFree(pThis->papIoReq[pThis->iEntry]);
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312 | pThis->papIoReq[pThis->iEntry] = NULL;
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313 | }
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314 | }
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315 |
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316 | static void drvdiskintIoLogEntryRelease(PIOLOGENT pIoLogEnt)
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317 | {
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318 | pIoLogEnt->cRefs--;
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319 | if (!pIoLogEnt->cRefs)
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320 | RTMemFree(pIoLogEnt);
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321 | }
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322 |
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323 | /**
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324 | * Record a successful write to the virtual disk.
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325 | *
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326 | * @returns VBox status code.
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327 | * @param pThis Disk integrity driver instance data.
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328 | * @param paSeg Segment array of the write to record.
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329 | * @param cSeg Number of segments.
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330 | * @param off Start offset.
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331 | * @param cbWrite Number of bytes to record.
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332 | */
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333 | static int drvdiskintWriteRecord(PDRVDISKINTEGRITY pThis, PCRTSGSEG paSeg, unsigned cSeg,
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334 | uint64_t off, size_t cbWrite)
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335 | {
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336 | int rc = VINF_SUCCESS;
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337 |
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338 | LogFlowFunc(("pThis=%#p paSeg=%#p cSeg=%u off=%llx cbWrite=%u\n",
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339 | pThis, paSeg, cSeg, off, cbWrite));
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340 |
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341 | /* Update the segments */
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342 | size_t cbLeft = cbWrite;
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343 | RTFOFF offCurr = (RTFOFF)off;
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344 | RTSGBUF SgBuf;
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345 | PIOLOGENT pIoLogEnt = (PIOLOGENT)RTMemAllocZ(sizeof(IOLOGENT));
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346 | if (!pIoLogEnt)
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347 | return VERR_NO_MEMORY;
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348 |
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349 | pIoLogEnt->off = off;
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350 | pIoLogEnt->cbWrite = cbWrite;
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351 | pIoLogEnt->cRefs = 0;
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352 |
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353 | RTSgBufInit(&SgBuf, paSeg, cSeg);
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354 |
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355 | while (cbLeft)
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356 | {
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357 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offCurr);
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358 | size_t cbRange = 0;
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359 | bool fSet = false;
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360 | unsigned offSeg = 0;
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361 |
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362 | if (!pSeg)
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363 | {
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364 | /* Get next segment */
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365 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offCurr, true);
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366 | if ( !pSeg
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367 | || offCurr + (RTFOFF)cbLeft <= pSeg->Core.Key)
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368 | cbRange = cbLeft;
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369 | else
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370 | cbRange = pSeg->Core.Key - offCurr;
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371 |
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372 | Assert(cbRange % 512 == 0);
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373 |
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374 | /* Create new segment */
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375 | pSeg = (PDRVDISKSEGMENT)RTMemAllocZ(RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbRange / 512]));
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376 | if (pSeg)
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377 | {
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378 | pSeg->Core.Key = offCurr;
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379 | pSeg->Core.KeyLast = offCurr + (RTFOFF)cbRange - 1;
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380 | pSeg->cbSeg = cbRange;
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381 | pSeg->pbSeg = (uint8_t *)RTMemAllocZ(cbRange);
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382 | pSeg->cIoLogEntries = (uint32_t)cbRange / 512;
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383 | if (!pSeg->pbSeg)
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384 | RTMemFree(pSeg);
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385 | else
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386 | {
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387 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
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388 | AssertMsg(fInserted, ("Bug!\n")); RT_NOREF(fInserted);
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389 | fSet = true;
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390 | }
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391 | }
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392 | }
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393 | else
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394 | {
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395 | fSet = true;
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396 | offSeg = offCurr - pSeg->Core.Key;
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397 | cbRange = RT_MIN(cbLeft, (size_t)(pSeg->Core.KeyLast + 1 - offCurr));
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398 | }
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399 |
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400 | if (fSet)
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401 | {
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402 | AssertPtr(pSeg);
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403 | size_t cbCopied = RTSgBufCopyToBuf(&SgBuf, pSeg->pbSeg + offSeg, cbRange);
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404 | Assert(cbCopied == cbRange); RT_NOREF(cbCopied);
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405 |
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406 | /* Update the I/O log pointers */
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407 | Assert(offSeg % 512 == 0);
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408 | Assert(cbRange % 512 == 0);
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409 | while (offSeg < cbRange)
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410 | {
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411 | uint32_t uSector = offSeg / 512;
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412 | PIOLOGENT pIoLogOld = NULL;
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413 |
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414 | AssertMsg(uSector < pSeg->cIoLogEntries, ("Internal bug!\n"));
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415 |
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416 | pIoLogOld = pSeg->apIoLog[uSector];
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417 | if (pIoLogOld)
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418 | {
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419 | pIoLogOld->cRefs--;
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420 | if (!pIoLogOld->cRefs)
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421 | RTMemFree(pIoLogOld);
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422 | }
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423 |
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424 | pSeg->apIoLog[uSector] = pIoLogEnt;
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425 | pIoLogEnt->cRefs++;
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426 |
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427 | offSeg += 512;
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428 | }
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429 | }
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430 | else
|
---|
431 | RTSgBufAdvance(&SgBuf, cbRange);
|
---|
432 |
|
---|
433 | offCurr += cbRange;
|
---|
434 | cbLeft -= cbRange;
|
---|
435 | }
|
---|
436 |
|
---|
437 | return rc;
|
---|
438 | }
|
---|
439 |
|
---|
440 | /**
|
---|
441 | * Verifies a read request.
|
---|
442 | *
|
---|
443 | * @returns VBox status code.
|
---|
444 | * @param pThis Disk integrity driver instance data.
|
---|
445 | * @param paSeg Segment array of the containing the data buffers to verify.
|
---|
446 | * @param cSeg Number of segments.
|
---|
447 | * @param off Start offset.
|
---|
448 | * @param cbRead Number of bytes to verify.
|
---|
449 | */
|
---|
450 | static int drvdiskintReadVerify(PDRVDISKINTEGRITY pThis, PCRTSGSEG paSeg, unsigned cSeg,
|
---|
451 | uint64_t off, size_t cbRead)
|
---|
452 | {
|
---|
453 | int rc = VINF_SUCCESS;
|
---|
454 |
|
---|
455 | LogFlowFunc(("pThis=%#p paSeg=%#p cSeg=%u off=%llx cbRead=%u\n",
|
---|
456 | pThis, paSeg, cSeg, off, cbRead));
|
---|
457 |
|
---|
458 | Assert(off % 512 == 0);
|
---|
459 | Assert(cbRead % 512 == 0);
|
---|
460 |
|
---|
461 | /* Compare read data */
|
---|
462 | size_t cbLeft = cbRead;
|
---|
463 | RTFOFF offCurr = (RTFOFF)off;
|
---|
464 | RTSGBUF SgBuf;
|
---|
465 |
|
---|
466 | RTSgBufInit(&SgBuf, paSeg, cSeg);
|
---|
467 |
|
---|
468 | while (cbLeft)
|
---|
469 | {
|
---|
470 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offCurr);
|
---|
471 | size_t cbRange = 0;
|
---|
472 | bool fCmp = false;
|
---|
473 | unsigned offSeg = 0;
|
---|
474 |
|
---|
475 | if (!pSeg)
|
---|
476 | {
|
---|
477 | /* Get next segment */
|
---|
478 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offCurr, true);
|
---|
479 | if (!pSeg)
|
---|
480 | {
|
---|
481 | /* No data in the tree for this read. Assume everything is ok. */
|
---|
482 | cbRange = cbLeft;
|
---|
483 | }
|
---|
484 | else if (offCurr + (RTFOFF)cbLeft <= pSeg->Core.Key)
|
---|
485 | cbRange = cbLeft;
|
---|
486 | else
|
---|
487 | cbRange = pSeg->Core.Key - offCurr;
|
---|
488 |
|
---|
489 | if (pThis->fPrepopulateRamDisk)
|
---|
490 | {
|
---|
491 | /* No segment means everything should be 0 for this part. */
|
---|
492 | if (!RTSgBufIsZero(&SgBuf, cbRange))
|
---|
493 | {
|
---|
494 | RTMsgError("Corrupted disk at offset %llu (expected everything to be 0)!\n",
|
---|
495 | offCurr);
|
---|
496 | RTAssertDebugBreak();
|
---|
497 | }
|
---|
498 | }
|
---|
499 | }
|
---|
500 | else
|
---|
501 | {
|
---|
502 | fCmp = true;
|
---|
503 | offSeg = offCurr - pSeg->Core.Key;
|
---|
504 | cbRange = RT_MIN(cbLeft, (size_t)(pSeg->Core.KeyLast + 1 - offCurr));
|
---|
505 | }
|
---|
506 |
|
---|
507 | if (fCmp)
|
---|
508 | {
|
---|
509 | RTSGSEG Seg;
|
---|
510 | RTSGBUF SgBufCmp;
|
---|
511 | size_t cbOff = 0;
|
---|
512 |
|
---|
513 | Seg.cbSeg = cbRange;
|
---|
514 | Seg.pvSeg = pSeg->pbSeg + offSeg;
|
---|
515 |
|
---|
516 | RTSgBufInit(&SgBufCmp, &Seg, 1);
|
---|
517 | if (RTSgBufCmpEx(&SgBuf, &SgBufCmp, cbRange, &cbOff, true))
|
---|
518 | {
|
---|
519 | /* Corrupted disk, print I/O log entry of the last write which accessed this range. */
|
---|
520 | uint32_t cSector = (offSeg + (uint32_t)cbOff) / 512;
|
---|
521 | AssertMsg(cSector < pSeg->cIoLogEntries, ("Internal bug!\n"));
|
---|
522 |
|
---|
523 | RTMsgError("Corrupted disk at offset %llu (%u bytes in the current read buffer)!\n",
|
---|
524 | offCurr + cbOff, cbOff);
|
---|
525 | RTMsgError("Last write to this sector started at offset %llu with %u bytes (%u references to this log entry)\n",
|
---|
526 | pSeg->apIoLog[cSector]->off,
|
---|
527 | pSeg->apIoLog[cSector]->cbWrite,
|
---|
528 | pSeg->apIoLog[cSector]->cRefs);
|
---|
529 | RTAssertDebugBreak();
|
---|
530 | }
|
---|
531 | }
|
---|
532 | else
|
---|
533 | RTSgBufAdvance(&SgBuf, cbRange);
|
---|
534 |
|
---|
535 | offCurr += cbRange;
|
---|
536 | cbLeft -= cbRange;
|
---|
537 | }
|
---|
538 |
|
---|
539 | return rc;
|
---|
540 | }
|
---|
541 |
|
---|
542 | /**
|
---|
543 | * Discards the given ranges from the disk.
|
---|
544 | *
|
---|
545 | * @returns VBox status code.
|
---|
546 | * @param pThis Disk integrity driver instance data.
|
---|
547 | * @param paRanges Array of ranges to discard.
|
---|
548 | * @param cRanges Number of ranges in the array.
|
---|
549 | */
|
---|
550 | static int drvdiskintDiscardRecords(PDRVDISKINTEGRITY pThis, PCRTRANGE paRanges, unsigned cRanges)
|
---|
551 | {
|
---|
552 | int rc = VINF_SUCCESS;
|
---|
553 |
|
---|
554 | LogFlowFunc(("pThis=%#p paRanges=%#p cRanges=%u\n", pThis, paRanges, cRanges));
|
---|
555 |
|
---|
556 | for (unsigned i = 0; i < cRanges; i++)
|
---|
557 | {
|
---|
558 | uint64_t offStart = paRanges[i].offStart;
|
---|
559 | size_t cbLeft = paRanges[i].cbRange;
|
---|
560 |
|
---|
561 | LogFlowFunc(("Discarding off=%llu cbRange=%zu\n", offStart, cbLeft));
|
---|
562 |
|
---|
563 | while (cbLeft)
|
---|
564 | {
|
---|
565 | size_t cbRange;
|
---|
566 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetRangeGet(pThis->pTreeSegments, offStart);
|
---|
567 |
|
---|
568 | if (!pSeg)
|
---|
569 | {
|
---|
570 | /* Get next segment */
|
---|
571 | pSeg = (PDRVDISKSEGMENT)RTAvlrFileOffsetGetBestFit(pThis->pTreeSegments, offStart, true);
|
---|
572 | if ( !pSeg
|
---|
573 | || (RTFOFF)offStart + (RTFOFF)cbLeft <= pSeg->Core.Key)
|
---|
574 | cbRange = cbLeft;
|
---|
575 | else
|
---|
576 | cbRange = pSeg->Core.Key - offStart;
|
---|
577 |
|
---|
578 | Assert(!(cbRange % 512));
|
---|
579 | }
|
---|
580 | else
|
---|
581 | {
|
---|
582 | size_t cbPreLeft, cbPostLeft;
|
---|
583 |
|
---|
584 | cbRange = RT_MIN(cbLeft, pSeg->Core.KeyLast - offStart + 1);
|
---|
585 | cbPreLeft = offStart - pSeg->Core.Key;
|
---|
586 | cbPostLeft = pSeg->cbSeg - cbRange - cbPreLeft;
|
---|
587 |
|
---|
588 | Assert(!(cbRange % 512));
|
---|
589 | Assert(!(cbPreLeft % 512));
|
---|
590 | Assert(!(cbPostLeft % 512));
|
---|
591 |
|
---|
592 | LogFlowFunc(("cbRange=%zu cbPreLeft=%zu cbPostLeft=%zu\n",
|
---|
593 | cbRange, cbPreLeft, cbPostLeft));
|
---|
594 |
|
---|
595 | RTAvlrFileOffsetRemove(pThis->pTreeSegments, pSeg->Core.Key);
|
---|
596 |
|
---|
597 | if (!cbPreLeft && !cbPostLeft)
|
---|
598 | {
|
---|
599 | /* Just free the whole segment. */
|
---|
600 | LogFlowFunc(("Freeing whole segment pSeg=%#p\n", pSeg));
|
---|
601 | RTMemFree(pSeg->pbSeg);
|
---|
602 | for (unsigned idx = 0; idx < pSeg->cIoLogEntries; idx++)
|
---|
603 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
604 | RTMemFree(pSeg);
|
---|
605 | }
|
---|
606 | else if (cbPreLeft && !cbPostLeft)
|
---|
607 | {
|
---|
608 | /* Realloc to new size and insert. */
|
---|
609 | LogFlowFunc(("Realloc segment pSeg=%#p\n", pSeg));
|
---|
610 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPreLeft);
|
---|
611 | for (unsigned idx = (uint32_t)(cbPreLeft / 512); idx < pSeg->cIoLogEntries; idx++)
|
---|
612 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
613 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPreLeft / 512]));
|
---|
614 | pSeg->Core.KeyLast = pSeg->Core.Key + cbPreLeft - 1;
|
---|
615 | pSeg->cbSeg = cbPreLeft;
|
---|
616 | pSeg->cIoLogEntries = (uint32_t)(cbPreLeft / 512);
|
---|
617 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
618 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
619 | }
|
---|
620 | else if (!cbPreLeft && cbPostLeft)
|
---|
621 | {
|
---|
622 | /* Move data to the front and realloc. */
|
---|
623 | LogFlowFunc(("Move data and realloc segment pSeg=%#p\n", pSeg));
|
---|
624 | memmove(pSeg->pbSeg, pSeg->pbSeg + cbRange, cbPostLeft);
|
---|
625 | for (unsigned idx = 0; idx < cbRange / 512; idx++)
|
---|
626 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
627 | for (unsigned idx = 0; idx < cbPostLeft /512; idx++)
|
---|
628 | pSeg->apIoLog[idx] = pSeg->apIoLog[(cbRange / 512) + idx];
|
---|
629 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPostLeft / 512]));
|
---|
630 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPostLeft);
|
---|
631 | pSeg->Core.Key += cbRange;
|
---|
632 | pSeg->cbSeg = cbPostLeft;
|
---|
633 | pSeg->cIoLogEntries = (uint32_t)(cbPostLeft / 512);
|
---|
634 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
635 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
636 | }
|
---|
637 | else
|
---|
638 | {
|
---|
639 | /* Split the segment into 2 new segments. */
|
---|
640 | LogFlowFunc(("Split segment pSeg=%#p\n", pSeg));
|
---|
641 | PDRVDISKSEGMENT pSegPost = (PDRVDISKSEGMENT)RTMemAllocZ(RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPostLeft / 512]));
|
---|
642 | if (pSegPost)
|
---|
643 | {
|
---|
644 | pSegPost->Core.Key = pSeg->Core.Key + cbPreLeft + cbRange;
|
---|
645 | pSegPost->Core.KeyLast = pSeg->Core.KeyLast;
|
---|
646 | pSegPost->cbSeg = cbPostLeft;
|
---|
647 | pSegPost->pbSeg = (uint8_t *)RTMemAllocZ(cbPostLeft);
|
---|
648 | pSegPost->cIoLogEntries = (uint32_t)(cbPostLeft / 512);
|
---|
649 | if (!pSegPost->pbSeg)
|
---|
650 | RTMemFree(pSegPost);
|
---|
651 | else
|
---|
652 | {
|
---|
653 | memcpy(pSegPost->pbSeg, pSeg->pbSeg + cbPreLeft + cbRange, cbPostLeft);
|
---|
654 | for (unsigned idx = 0; idx < (uint32_t)(cbPostLeft / 512); idx++)
|
---|
655 | pSegPost->apIoLog[idx] = pSeg->apIoLog[((cbPreLeft + cbRange) / 512) + idx];
|
---|
656 |
|
---|
657 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSegPost->Core);
|
---|
658 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
659 | }
|
---|
660 | }
|
---|
661 |
|
---|
662 | /* Shrink the current segment. */
|
---|
663 | pSeg->pbSeg = (uint8_t *)RTMemRealloc(pSeg->pbSeg, cbPreLeft);
|
---|
664 | for (unsigned idx = (uint32_t)(cbPreLeft / 512); idx < (uint32_t)((cbPreLeft + cbRange) / 512); idx++)
|
---|
665 | drvdiskintIoLogEntryRelease(pSeg->apIoLog[idx]);
|
---|
666 | pSeg = (PDRVDISKSEGMENT)RTMemRealloc(pSeg, RT_UOFFSETOF_DYN(DRVDISKSEGMENT, apIoLog[cbPreLeft / 512]));
|
---|
667 | pSeg->Core.KeyLast = pSeg->Core.Key + cbPreLeft - 1;
|
---|
668 | pSeg->cbSeg = cbPreLeft;
|
---|
669 | pSeg->cIoLogEntries = (uint32_t)(cbPreLeft / 512);
|
---|
670 | bool fInserted = RTAvlrFileOffsetInsert(pThis->pTreeSegments, &pSeg->Core);
|
---|
671 | Assert(fInserted); RT_NOREF(fInserted);
|
---|
672 | } /* if (cbPreLeft && cbPostLeft) */
|
---|
673 | }
|
---|
674 |
|
---|
675 | offStart += cbRange;
|
---|
676 | cbLeft -= cbRange;
|
---|
677 | }
|
---|
678 | }
|
---|
679 |
|
---|
680 | LogFlowFunc(("returns rc=%Rrc\n", rc));
|
---|
681 | return rc;
|
---|
682 | }
|
---|
683 |
|
---|
684 | /**
|
---|
685 | * Adds a request to the active list.
|
---|
686 | *
|
---|
687 | * @param pThis The driver instance data.
|
---|
688 | * @param pIoReq The request to add.
|
---|
689 | */
|
---|
690 | static void drvdiskintIoReqAdd(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
691 | {
|
---|
692 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[pThis->iNextFreeSlot];
|
---|
693 |
|
---|
694 | Assert(!pReqActive->pIoReq);
|
---|
695 | pReqActive->tsStart = pIoReq->tsStart;
|
---|
696 | pReqActive->pIoReq = pIoReq;
|
---|
697 | pIoReq->iSlot = pThis->iNextFreeSlot;
|
---|
698 |
|
---|
699 | /* Search for the next one. */
|
---|
700 | while (pThis->apReqActive[pThis->iNextFreeSlot].pIoReq)
|
---|
701 | pThis->iNextFreeSlot = (pThis->iNextFreeSlot+1) % RT_ELEMENTS(pThis->apReqActive);
|
---|
702 | }
|
---|
703 |
|
---|
704 | /**
|
---|
705 | * Removes a request from the active list.
|
---|
706 | *
|
---|
707 | * @param pThis The driver instance data.
|
---|
708 | * @param pIoReq The request to remove.
|
---|
709 | */
|
---|
710 | static void drvdiskintIoReqRemove(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
711 | {
|
---|
712 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[pIoReq->iSlot];
|
---|
713 |
|
---|
714 | Assert(pReqActive->pIoReq == pIoReq);
|
---|
715 |
|
---|
716 | ASMAtomicWriteNullPtr(&pReqActive->pIoReq);
|
---|
717 | }
|
---|
718 |
|
---|
719 | /**
|
---|
720 | * Thread checking for expired requests.
|
---|
721 | *
|
---|
722 | * @returns IPRT status code.
|
---|
723 | * @param pThread Thread handle.
|
---|
724 | * @param pvUser Opaque user data.
|
---|
725 | */
|
---|
726 | static DECLCALLBACK(int) drvdiskIntIoReqExpiredCheck(RTTHREAD pThread, void *pvUser)
|
---|
727 | {
|
---|
728 | PDRVDISKINTEGRITY pThis = (PDRVDISKINTEGRITY)pvUser;
|
---|
729 |
|
---|
730 | RT_NOREF(pThread);
|
---|
731 |
|
---|
732 | while (pThis->fRunning)
|
---|
733 | {
|
---|
734 | int rc = RTSemEventWait(pThis->SemEvent, pThis->uCheckIntervalMs);
|
---|
735 |
|
---|
736 | if (!pThis->fRunning)
|
---|
737 | break;
|
---|
738 |
|
---|
739 | Assert(rc == VERR_TIMEOUT); RT_NOREF(rc);
|
---|
740 |
|
---|
741 | /* Get current timestamp for comparison. */
|
---|
742 | uint64_t tsCurr = RTTimeSystemMilliTS();
|
---|
743 |
|
---|
744 | /* Go through the array and check for expired requests. */
|
---|
745 | for (unsigned i = 0; i < RT_ELEMENTS(pThis->apReqActive); i++)
|
---|
746 | {
|
---|
747 | PDRVDISKAIOREQACTIVE pReqActive = &pThis->apReqActive[i];
|
---|
748 | PDRVDISKAIOREQ pIoReq = ASMAtomicReadPtrT(&pReqActive->pIoReq, PDRVDISKAIOREQ);
|
---|
749 |
|
---|
750 | if ( pIoReq
|
---|
751 | && (tsCurr > pReqActive->tsStart)
|
---|
752 | && (tsCurr - pReqActive->tsStart) >= pThis->uExpireIntervalMs)
|
---|
753 | {
|
---|
754 | RTMsgError("Request %#p expired (active for %llu ms already)\n",
|
---|
755 | pIoReq, tsCurr - pReqActive->tsStart);
|
---|
756 | RTAssertDebugBreak();
|
---|
757 | }
|
---|
758 | }
|
---|
759 | }
|
---|
760 |
|
---|
761 | return VINF_SUCCESS;
|
---|
762 | }
|
---|
763 |
|
---|
764 | /**
|
---|
765 | * Verify a completed read after write request.
|
---|
766 | *
|
---|
767 | * @returns VBox status code.
|
---|
768 | * @param pThis The driver instance data.
|
---|
769 | * @param pIoReq The request to be verified.
|
---|
770 | */
|
---|
771 | static int drvdiskintReadAfterWriteVerify(PDRVDISKINTEGRITY pThis, PDRVDISKAIOREQ pIoReq)
|
---|
772 | {
|
---|
773 | int rc = VINF_SUCCESS;
|
---|
774 |
|
---|
775 | if (pThis->fCheckConsistency)
|
---|
776 | rc = drvdiskintReadVerify(pThis, pIoReq->paSeg, pIoReq->cSeg, pIoReq->off, pIoReq->cbTransfer);
|
---|
777 | else /** @todo Implement read after write verification without a memory based image of the disk. */
|
---|
778 | AssertMsgFailed(("TODO\n"));
|
---|
779 |
|
---|
780 | return rc;
|
---|
781 | }
|
---|
782 |
|
---|
783 |
|
---|
784 | /**
|
---|
785 | * Fires a read event if enabled.
|
---|
786 | *
|
---|
787 | * @param pThis The driver instance data.
|
---|
788 | * @param uGrp The group ID.
|
---|
789 | * @param fAsync Flag whether this is an async request.
|
---|
790 | * @param off The offset to put into the event log.
|
---|
791 | * @param cbRead Amount of bytes to read.
|
---|
792 | */
|
---|
793 | DECLINLINE(void) drvdiskintTraceLogFireEvtRead(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync, uint64_t off, size_t cbRead)
|
---|
794 | {
|
---|
795 | if (pThis->hIoLogger)
|
---|
796 | {
|
---|
797 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtRead, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
798 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync, off, cbRead);
|
---|
799 | AssertRC(rc);
|
---|
800 | }
|
---|
801 | }
|
---|
802 |
|
---|
803 |
|
---|
804 | /**
|
---|
805 | * Fires a write event if enabled.
|
---|
806 | *
|
---|
807 | * @param pThis The driver instance data.
|
---|
808 | * @param uGrp The group ID.
|
---|
809 | * @param fAsync Flag whether this is an async request.
|
---|
810 | * @param off The offset to put into the event log.
|
---|
811 | * @param cbWrite Amount of bytes to write.
|
---|
812 | */
|
---|
813 | DECLINLINE(void) drvdiskintTraceLogFireEvtWrite(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync, uint64_t off, size_t cbWrite)
|
---|
814 | {
|
---|
815 | if (pThis->hIoLogger)
|
---|
816 | {
|
---|
817 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtWrite, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
818 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync, off, cbWrite);
|
---|
819 | AssertRC(rc);
|
---|
820 | }
|
---|
821 | }
|
---|
822 |
|
---|
823 |
|
---|
824 | /**
|
---|
825 | * Fires a flush event if enabled.
|
---|
826 | *
|
---|
827 | * @param pThis The driver instance data.
|
---|
828 | * @param uGrp The group ID.
|
---|
829 | * @param fAsync Flag whether this is an async request.
|
---|
830 | */
|
---|
831 | DECLINLINE(void) drvdiskintTraceLogFireEvtFlush(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, bool fAsync)
|
---|
832 | {
|
---|
833 | if (pThis->hIoLogger)
|
---|
834 | {
|
---|
835 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtFlush, RTTRACELOG_WR_ADD_EVT_F_GRP_START,
|
---|
836 | (RTTRACELOGEVTGRPID)uGrp, 0, fAsync);
|
---|
837 | AssertRC(rc);
|
---|
838 | }
|
---|
839 | }
|
---|
840 |
|
---|
841 |
|
---|
842 | /**
|
---|
843 | * Fires a request complete event if enabled.
|
---|
844 | *
|
---|
845 | * @param pThis The driver instance data.
|
---|
846 | * @param uGrp The group ID.
|
---|
847 | * @param rcReq Status code the request completed with.
|
---|
848 | * @param pSgBuf The S/G buffer holding the data.
|
---|
849 | */
|
---|
850 | DECLINLINE(void) drvdiskintTraceLogFireEvtComplete(PDRVDISKINTEGRITY pThis, uintptr_t uGrp, int rcReq, PRTSGBUF pSgBuf)
|
---|
851 | {
|
---|
852 | RT_NOREF(pSgBuf);
|
---|
853 |
|
---|
854 | if (pThis->hIoLogger)
|
---|
855 | {
|
---|
856 | int rc = RTTraceLogWrEvtAddL(pThis->hIoLogger, &g_EvtComplete, RTTRACELOG_WR_ADD_EVT_F_GRP_FINISH,
|
---|
857 | (RTTRACELOGEVTGRPID)uGrp, 0, rcReq);
|
---|
858 | AssertRC(rc);
|
---|
859 | }
|
---|
860 | }
|
---|
861 |
|
---|
862 |
|
---|
863 | /* -=-=-=-=- IMedia -=-=-=-=- */
|
---|
864 |
|
---|
865 | /** Makes a PDRVDISKINTEGRITY out of a PPDMIMEDIA. */
|
---|
866 | #define PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface) ( (PDRVDISKINTEGRITY)((uintptr_t)pInterface - RT_UOFFSETOF(DRVDISKINTEGRITY, IMedia)) )
|
---|
867 |
|
---|
868 |
|
---|
869 | /*********************************************************************************************************************************
|
---|
870 | * Media interface methods *
|
---|
871 | *********************************************************************************************************************************/
|
---|
872 |
|
---|
873 |
|
---|
874 | /** @interface_method_impl{PDMIMEDIA,pfnRead} */
|
---|
875 | static DECLCALLBACK(int) drvdiskintRead(PPDMIMEDIA pInterface,
|
---|
876 | uint64_t off, void *pvBuf, size_t cbRead)
|
---|
877 | {
|
---|
878 | int rc = VINF_SUCCESS;
|
---|
879 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
880 |
|
---|
881 | drvdiskintTraceLogFireEvtRead(pThis, (uintptr_t)pvBuf, false /* fAsync */, off, cbRead);
|
---|
882 | rc = pThis->pDrvMedia->pfnRead(pThis->pDrvMedia, off, pvBuf, cbRead);
|
---|
883 |
|
---|
884 | if (pThis->hIoLogger)
|
---|
885 | {
|
---|
886 | RTSGSEG Seg;
|
---|
887 | RTSGBUF SgBuf;
|
---|
888 |
|
---|
889 | Seg.pvSeg = pvBuf;
|
---|
890 | Seg.cbSeg = cbRead;
|
---|
891 | RTSgBufInit(&SgBuf, &Seg, 1);
|
---|
892 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)pvBuf, rc, &SgBuf);
|
---|
893 | }
|
---|
894 |
|
---|
895 | if (RT_FAILURE(rc))
|
---|
896 | return rc;
|
---|
897 |
|
---|
898 | if (pThis->fCheckConsistency)
|
---|
899 | {
|
---|
900 | /* Verify the read. */
|
---|
901 | RTSGSEG Seg;
|
---|
902 | Seg.cbSeg = cbRead;
|
---|
903 | Seg.pvSeg = pvBuf;
|
---|
904 | rc = drvdiskintReadVerify(pThis, &Seg, 1, off, cbRead);
|
---|
905 | }
|
---|
906 |
|
---|
907 | return rc;
|
---|
908 | }
|
---|
909 |
|
---|
910 | /** @interface_method_impl{PDMIMEDIA,pfnWrite} */
|
---|
911 | static DECLCALLBACK(int) drvdiskintWrite(PPDMIMEDIA pInterface,
|
---|
912 | uint64_t off, const void *pvBuf,
|
---|
913 | size_t cbWrite)
|
---|
914 | {
|
---|
915 | int rc = VINF_SUCCESS;
|
---|
916 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
917 |
|
---|
918 | drvdiskintTraceLogFireEvtWrite(pThis, (uintptr_t)pvBuf, false /* fAsync */, off, cbWrite);
|
---|
919 |
|
---|
920 | if (pThis->fRecordWriteBeforeCompletion)
|
---|
921 | {
|
---|
922 | RTSGSEG Seg;
|
---|
923 | Seg.cbSeg = cbWrite;
|
---|
924 | Seg.pvSeg = (void *)pvBuf;
|
---|
925 |
|
---|
926 | rc = drvdiskintWriteRecord(pThis, &Seg, 1, off, cbWrite);
|
---|
927 | if (RT_FAILURE(rc))
|
---|
928 | return rc;
|
---|
929 | }
|
---|
930 |
|
---|
931 | rc = pThis->pDrvMedia->pfnWrite(pThis->pDrvMedia, off, pvBuf, cbWrite);
|
---|
932 |
|
---|
933 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)pvBuf, rc, NULL);
|
---|
934 | if (RT_FAILURE(rc))
|
---|
935 | return rc;
|
---|
936 |
|
---|
937 | if ( pThis->fCheckConsistency
|
---|
938 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
939 | {
|
---|
940 | /* Record the write. */
|
---|
941 | RTSGSEG Seg;
|
---|
942 | Seg.cbSeg = cbWrite;
|
---|
943 | Seg.pvSeg = (void *)pvBuf;
|
---|
944 | rc = drvdiskintWriteRecord(pThis, &Seg, 1, off, cbWrite);
|
---|
945 | }
|
---|
946 |
|
---|
947 | return rc;
|
---|
948 | }
|
---|
949 |
|
---|
950 | /** @interface_method_impl{PDMIMEDIA,pfnFlush} */
|
---|
951 | static DECLCALLBACK(int) drvdiskintFlush(PPDMIMEDIA pInterface)
|
---|
952 | {
|
---|
953 | int rc = VINF_SUCCESS;
|
---|
954 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
955 |
|
---|
956 | drvdiskintTraceLogFireEvtFlush(pThis, 1, false /* fAsync */);
|
---|
957 | rc = pThis->pDrvMedia->pfnFlush(pThis->pDrvMedia);
|
---|
958 | drvdiskintTraceLogFireEvtComplete(pThis, 1, rc, NULL);
|
---|
959 |
|
---|
960 | return rc;
|
---|
961 | }
|
---|
962 |
|
---|
963 | /** @interface_method_impl{PDMIMEDIA,pfnGetSize} */
|
---|
964 | static DECLCALLBACK(uint64_t) drvdiskintGetSize(PPDMIMEDIA pInterface)
|
---|
965 | {
|
---|
966 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
967 | return pThis->pDrvMedia->pfnGetSize(pThis->pDrvMedia);
|
---|
968 | }
|
---|
969 |
|
---|
970 | /** @interface_method_impl{PDMIMEDIA,pfnIsReadOnly} */
|
---|
971 | static DECLCALLBACK(bool) drvdiskintIsReadOnly(PPDMIMEDIA pInterface)
|
---|
972 | {
|
---|
973 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
974 | return pThis->pDrvMedia->pfnIsReadOnly(pThis->pDrvMedia);
|
---|
975 | }
|
---|
976 |
|
---|
977 | /** @interface_method_impl{PDMIMEDIA,pfnBiosIsVisible} */
|
---|
978 | static DECLCALLBACK(bool) drvdiskintBiosIsVisible(PPDMIMEDIA pInterface)
|
---|
979 | {
|
---|
980 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
981 | return pThis->pDrvMedia->pfnBiosIsVisible(pThis->pDrvMedia);
|
---|
982 | }
|
---|
983 |
|
---|
984 | /** @interface_method_impl{PDMIMEDIA,pfnGetType} */
|
---|
985 | static DECLCALLBACK(PDMMEDIATYPE) drvdiskintGetType(PPDMIMEDIA pInterface)
|
---|
986 | {
|
---|
987 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
988 | return pThis->pDrvMedia->pfnGetType(pThis->pDrvMedia);
|
---|
989 | }
|
---|
990 |
|
---|
991 | /** @interface_method_impl{PDMIMEDIA,pfnBiosGetPCHSGeometry} */
|
---|
992 | static DECLCALLBACK(int) drvdiskintBiosGetPCHSGeometry(PPDMIMEDIA pInterface,
|
---|
993 | PPDMMEDIAGEOMETRY pPCHSGeometry)
|
---|
994 | {
|
---|
995 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
996 | return pThis->pDrvMedia->pfnBiosGetPCHSGeometry(pThis->pDrvMedia, pPCHSGeometry);
|
---|
997 | }
|
---|
998 |
|
---|
999 | /** @interface_method_impl{PDMIMEDIA,pfnBiosSetPCHSGeometry} */
|
---|
1000 | static DECLCALLBACK(int) drvdiskintBiosSetPCHSGeometry(PPDMIMEDIA pInterface,
|
---|
1001 | PCPDMMEDIAGEOMETRY pPCHSGeometry)
|
---|
1002 | {
|
---|
1003 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1004 | return pThis->pDrvMedia->pfnBiosSetPCHSGeometry(pThis->pDrvMedia, pPCHSGeometry);
|
---|
1005 | }
|
---|
1006 |
|
---|
1007 | /** @interface_method_impl{PDMIMEDIA,pfnBiosGetLCHSGeometry} */
|
---|
1008 | static DECLCALLBACK(int) drvdiskintBiosGetLCHSGeometry(PPDMIMEDIA pInterface,
|
---|
1009 | PPDMMEDIAGEOMETRY pLCHSGeometry)
|
---|
1010 | {
|
---|
1011 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1012 | return pThis->pDrvMedia->pfnBiosGetLCHSGeometry(pThis->pDrvMedia, pLCHSGeometry);
|
---|
1013 | }
|
---|
1014 |
|
---|
1015 | /** @interface_method_impl{PDMIMEDIA,pfnBiosSetLCHSGeometry} */
|
---|
1016 | static DECLCALLBACK(int) drvdiskintBiosSetLCHSGeometry(PPDMIMEDIA pInterface,
|
---|
1017 | PCPDMMEDIAGEOMETRY pLCHSGeometry)
|
---|
1018 | {
|
---|
1019 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1020 | return pThis->pDrvMedia->pfnBiosSetLCHSGeometry(pThis->pDrvMedia, pLCHSGeometry);
|
---|
1021 | }
|
---|
1022 |
|
---|
1023 | /** @interface_method_impl{PDMIMEDIA,pfnGetUuid} */
|
---|
1024 | static DECLCALLBACK(int) drvdiskintGetUuid(PPDMIMEDIA pInterface, PRTUUID pUuid)
|
---|
1025 | {
|
---|
1026 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1027 | return pThis->pDrvMedia->pfnGetUuid(pThis->pDrvMedia, pUuid);
|
---|
1028 | }
|
---|
1029 |
|
---|
1030 | /** @interface_method_impl{PDMIMEDIA,pfnGetSectorSize} */
|
---|
1031 | static DECLCALLBACK(uint32_t) drvdiskintGetSectorSize(PPDMIMEDIA pInterface)
|
---|
1032 | {
|
---|
1033 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1034 | return pThis->pDrvMedia->pfnGetSectorSize(pThis->pDrvMedia);
|
---|
1035 | }
|
---|
1036 |
|
---|
1037 | /** @interface_method_impl{PDMIMEDIA,pfnDiscard} */
|
---|
1038 | static DECLCALLBACK(int) drvdiskintDiscard(PPDMIMEDIA pInterface, PCRTRANGE paRanges, unsigned cRanges)
|
---|
1039 | {
|
---|
1040 | int rc = VINF_SUCCESS;
|
---|
1041 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1042 |
|
---|
1043 | rc = pThis->pDrvMedia->pfnDiscard(pThis->pDrvMedia, paRanges, cRanges);
|
---|
1044 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)paRanges, rc, NULL);
|
---|
1045 |
|
---|
1046 | if (pThis->fCheckConsistency)
|
---|
1047 | rc = drvdiskintDiscardRecords(pThis, paRanges, cRanges);
|
---|
1048 |
|
---|
1049 | return rc;
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | /** @interface_method_impl{PDMIMEDIA,pfnReadPcBios} */
|
---|
1053 | static DECLCALLBACK(int) drvdiskintReadPcBios(PPDMIMEDIA pInterface,
|
---|
1054 | uint64_t off, void *pvBuf, size_t cbRead)
|
---|
1055 | {
|
---|
1056 | LogFlowFunc(("\n"));
|
---|
1057 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1058 |
|
---|
1059 | return pThis->pDrvMedia->pfnReadPcBios(pThis->pDrvMedia, off, pvBuf, cbRead);
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | /** @interface_method_impl{PDMIMEDIA,pfnIsNonRotational} */
|
---|
1063 | static DECLCALLBACK(bool) drvdiskintIsNonRotational(PPDMIMEDIA pInterface)
|
---|
1064 | {
|
---|
1065 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1066 | return pThis->pDrvMedia->pfnIsNonRotational(pThis->pDrvMedia);
|
---|
1067 | }
|
---|
1068 |
|
---|
1069 | /** @interface_method_impl{PDMIMEDIA,pfnGetRegionCount} */
|
---|
1070 | static DECLCALLBACK(uint32_t) drvdiskintGetRegionCount(PPDMIMEDIA pInterface)
|
---|
1071 | {
|
---|
1072 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1073 | return pThis->pDrvMedia->pfnGetRegionCount(pThis->pDrvMedia);
|
---|
1074 | }
|
---|
1075 |
|
---|
1076 | /** @interface_method_impl{PDMIMEDIA,pfnQueryRegionProperties} */
|
---|
1077 | static DECLCALLBACK(int) drvdiskintQueryRegionProperties(PPDMIMEDIA pInterface, uint32_t uRegion, uint64_t *pu64LbaStart,
|
---|
1078 | uint64_t *pcBlocks, uint64_t *pcbBlock,
|
---|
1079 | PVDREGIONDATAFORM penmDataForm)
|
---|
1080 | {
|
---|
1081 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1082 | return pThis->pDrvMedia->pfnQueryRegionProperties(pThis->pDrvMedia, uRegion, pu64LbaStart, pcBlocks, pcbBlock, penmDataForm);
|
---|
1083 | }
|
---|
1084 |
|
---|
1085 | /** @interface_method_impl{PDMIMEDIA,pfnQueryRegionPropertiesForLba} */
|
---|
1086 | static DECLCALLBACK(int) drvdiskintQueryRegionPropertiesForLba(PPDMIMEDIA pInterface, uint64_t u64LbaStart,
|
---|
1087 | uint32_t *puRegion, uint64_t *pcBlocks,
|
---|
1088 | uint64_t *pcbBlock, PVDREGIONDATAFORM penmDataForm)
|
---|
1089 | {
|
---|
1090 | PDRVDISKINTEGRITY pThis = PDMIMEDIA_2_DRVDISKINTEGRITY(pInterface);
|
---|
1091 | return pThis->pDrvMedia->pfnQueryRegionPropertiesForLba(pThis->pDrvMedia, u64LbaStart, puRegion, pcBlocks, pcbBlock, penmDataForm);
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | /* -=-=-=-=- IMediaPort -=-=-=-=- */
|
---|
1095 |
|
---|
1096 | /** Makes a PDRVBLOCK out of a PPDMIMEDIAPORT. */
|
---|
1097 | #define PDMIMEDIAPORT_2_DRVDISKINTEGRITY(pInterface) ( (PDRVDISKINTEGRITY((uintptr_t)pInterface - RT_UOFFSETOF(DRVDISKINTEGRITY, IMediaPort))) )
|
---|
1098 |
|
---|
1099 | /**
|
---|
1100 | * @interface_method_impl{PDMIMEDIAPORT,pfnQueryDeviceLocation}
|
---|
1101 | */
|
---|
1102 | static DECLCALLBACK(int) drvdiskintQueryDeviceLocation(PPDMIMEDIAPORT pInterface, const char **ppcszController,
|
---|
1103 | uint32_t *piInstance, uint32_t *piLUN)
|
---|
1104 | {
|
---|
1105 | PDRVDISKINTEGRITY pThis = PDMIMEDIAPORT_2_DRVDISKINTEGRITY(pInterface);
|
---|
1106 |
|
---|
1107 | return pThis->pDrvMediaPort->pfnQueryDeviceLocation(pThis->pDrvMediaPort, ppcszController,
|
---|
1108 | piInstance, piLUN);
|
---|
1109 | }
|
---|
1110 |
|
---|
1111 | /* -=-=-=-=- IMediaExPort -=-=-=-=- */
|
---|
1112 |
|
---|
1113 | /**
|
---|
1114 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCompleteNotify}
|
---|
1115 | */
|
---|
1116 | static DECLCALLBACK(int) drvdiskintIoReqCompleteNotify(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1117 | void *pvIoReqAlloc, int rcReq)
|
---|
1118 | {
|
---|
1119 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
1120 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
1121 | int rc = VINF_SUCCESS;
|
---|
1122 |
|
---|
1123 | LogFlowFunc(("pIoReq=%#p\n", pIoReq));
|
---|
1124 |
|
---|
1125 | /* Remove from the active list. */
|
---|
1126 | if (pThis->fTraceRequests)
|
---|
1127 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
1128 |
|
---|
1129 | if (RT_SUCCESS(rcReq) && pThis->fCheckConsistency)
|
---|
1130 | {
|
---|
1131 | if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
1132 | rc = drvdiskintReadVerify(pThis, &pIoReq->IoSeg, 1, pIoReq->off, pIoReq->cbTransfer);
|
---|
1133 | else if ( pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE
|
---|
1134 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
1135 | rc = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, pIoReq->off, pIoReq->cbTransfer);
|
---|
1136 | else if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_DISCARD)
|
---|
1137 | rc = drvdiskintDiscardRecords(pThis, pIoReq->paRanges, pIoReq->cRanges);
|
---|
1138 | else if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ_AFTER_WRITE)
|
---|
1139 | rc = drvdiskintReadAfterWriteVerify(pThis, pIoReq);
|
---|
1140 | else
|
---|
1141 | AssertMsg( pIoReq->enmTxDir == DRVDISKAIOTXDIR_FLUSH
|
---|
1142 | || ( pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE
|
---|
1143 | && pThis->fRecordWriteBeforeCompletion), ("Huh?\n"));
|
---|
1144 |
|
---|
1145 | AssertRC(rc);
|
---|
1146 | }
|
---|
1147 |
|
---|
1148 | if ( RT_SUCCESS(rcReq)
|
---|
1149 | && pThis->fValidateMemBufs
|
---|
1150 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
1151 | {
|
---|
1152 | /* Check that the guest memory buffer matches what was written. */
|
---|
1153 | RTSGSEG SegCmp;
|
---|
1154 | SegCmp.pvSeg = RTMemAlloc(pIoReq->cbTransfer);
|
---|
1155 | SegCmp.cbSeg = pIoReq->cbTransfer;
|
---|
1156 |
|
---|
1157 | RTSGBUF SgBufCmp;
|
---|
1158 | RTSgBufInit(&SgBufCmp, &SegCmp, 1);
|
---|
1159 | rc = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
1160 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1161 | 0, &SgBufCmp, pIoReq->cbTransfer);
|
---|
1162 | AssertRC(rc);
|
---|
1163 |
|
---|
1164 | RTSGBUF SgBuf;
|
---|
1165 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
1166 | if (RTSgBufCmp(&SgBuf, &SgBufCmp, pIoReq->cbTransfer))
|
---|
1167 | {
|
---|
1168 | RTMsgError("Corrupted memory buffer at offset %llu!\n", 0);
|
---|
1169 | RTAssertDebugBreak();
|
---|
1170 | }
|
---|
1171 |
|
---|
1172 | RTMemFree(SegCmp.pvSeg);
|
---|
1173 | }
|
---|
1174 |
|
---|
1175 | if (pThis->hIoLogger)
|
---|
1176 | {
|
---|
1177 | RTSGBUF SgBuf;
|
---|
1178 |
|
---|
1179 | if (pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
1180 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
1181 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rcReq, &SgBuf);
|
---|
1182 | }
|
---|
1183 |
|
---|
1184 | if ( pThis->fReadAfterWrite
|
---|
1185 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_WRITE)
|
---|
1186 | {
|
---|
1187 | #if 0 /** @todo */
|
---|
1188 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_READ_AFTER_WRITE;
|
---|
1189 |
|
---|
1190 | /* Add again because it was removed above. */
|
---|
1191 | if (pThis->fTraceRequests)
|
---|
1192 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
1193 |
|
---|
1194 | rc = pThis->pDrvMediaAsync->pfnStartRead(pThis->pDrvMediaAsync, pIoReq->off, pIoReq->paSeg, pIoReq->cSeg,
|
---|
1195 | pIoReq->cbTransfer, pIoReq);
|
---|
1196 | if (rc == VINF_VD_ASYNC_IO_FINISHED)
|
---|
1197 | {
|
---|
1198 | rc = drvdiskintReadAfterWriteVerify(pThis, pIoReq);
|
---|
1199 |
|
---|
1200 | if (pThis->fTraceRequests)
|
---|
1201 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
1202 | RTMemFree(pIoReq);
|
---|
1203 | }
|
---|
1204 | else if (rc == VERR_VD_ASYNC_IO_IN_PROGRESS)
|
---|
1205 | rc = VINF_SUCCESS;
|
---|
1206 | else if (RT_FAILURE(rc))
|
---|
1207 | RTMemFree(pIoReq);
|
---|
1208 | #endif
|
---|
1209 | }
|
---|
1210 | else
|
---|
1211 | {
|
---|
1212 | rc = pThis->pDrvMediaExPort->pfnIoReqCompleteNotify(pThis->pDrvMediaExPort, hIoReq,
|
---|
1213 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1214 | rcReq);
|
---|
1215 | /* Put on the watch list. */
|
---|
1216 | if (pThis->fCheckDoubleCompletion)
|
---|
1217 | drvdiskintIoReqCheckForDoubleCompletion(pThis, pIoReq, true /* fMediaEx */);
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | return rc;
|
---|
1221 | }
|
---|
1222 |
|
---|
1223 | /**
|
---|
1224 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyFromBuf}
|
---|
1225 | */
|
---|
1226 | static DECLCALLBACK(int) drvdiskintIoReqCopyFromBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1227 | void *pvIoReqAlloc, uint32_t offDst, PRTSGBUF pSgBuf,
|
---|
1228 | size_t cbCopy)
|
---|
1229 | {
|
---|
1230 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
1231 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
1232 | RTSGBUF SgBuf;
|
---|
1233 |
|
---|
1234 | RTSgBufClone(&SgBuf, pSgBuf);
|
---|
1235 |
|
---|
1236 | int rc = pThis->pDrvMediaExPort->pfnIoReqCopyFromBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
1237 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1238 | offDst, pSgBuf, cbCopy);
|
---|
1239 | if ( RT_SUCCESS(rc)
|
---|
1240 | && pIoReq->IoSeg.pvSeg)
|
---|
1241 | {
|
---|
1242 | /* Update our copy. */
|
---|
1243 | RTSgBufCopyToBuf(&SgBuf, (uint8_t *)pIoReq->IoSeg.pvSeg + offDst, cbCopy);
|
---|
1244 |
|
---|
1245 | /* Validate the just read data against our copy if possible. */
|
---|
1246 | if ( pThis->fValidateMemBufs
|
---|
1247 | && pThis->fCheckConsistency
|
---|
1248 | && pIoReq->enmTxDir == DRVDISKAIOTXDIR_READ)
|
---|
1249 | {
|
---|
1250 | RTSGSEG Seg;
|
---|
1251 |
|
---|
1252 | Seg.pvSeg = (uint8_t *)pIoReq->IoSeg.pvSeg + offDst;
|
---|
1253 | Seg.cbSeg = cbCopy;
|
---|
1254 |
|
---|
1255 | rc = drvdiskintReadVerify(pThis, &Seg, 1, pIoReq->off + offDst,
|
---|
1256 | cbCopy);
|
---|
1257 | }
|
---|
1258 | }
|
---|
1259 |
|
---|
1260 | return rc;
|
---|
1261 | }
|
---|
1262 |
|
---|
1263 | /**
|
---|
1264 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqCopyToBuf}
|
---|
1265 | */
|
---|
1266 | static DECLCALLBACK(int) drvdiskintIoReqCopyToBuf(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1267 | void *pvIoReqAlloc, uint32_t offSrc, PRTSGBUF pSgBuf,
|
---|
1268 | size_t cbCopy)
|
---|
1269 | {
|
---|
1270 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
1271 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_ALLOC_2_DRVDISKAIOREQ(pvIoReqAlloc);
|
---|
1272 | RTSGBUF SgBuf;
|
---|
1273 |
|
---|
1274 | RTSgBufClone(&SgBuf, pSgBuf);
|
---|
1275 |
|
---|
1276 | int rc = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
1277 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1278 | offSrc, pSgBuf, cbCopy);
|
---|
1279 | if ( RT_SUCCESS(rc)
|
---|
1280 | && pIoReq->IoSeg.pvSeg)
|
---|
1281 | {
|
---|
1282 | if (pThis->fValidateMemBufs)
|
---|
1283 | {
|
---|
1284 | /* Make sure what the caller requested matches what we got earlier. */
|
---|
1285 | RTSGBUF SgBufCmp;
|
---|
1286 | RTSgBufInit(&SgBufCmp, &pIoReq->IoSeg, 1);
|
---|
1287 | RTSgBufAdvance(&SgBufCmp, offSrc);
|
---|
1288 |
|
---|
1289 | if (RTSgBufCmp(&SgBuf, &SgBufCmp, cbCopy))
|
---|
1290 | {
|
---|
1291 | RTMsgError("Corrupted memory buffer at offset %llu!\n", offSrc);
|
---|
1292 | RTAssertDebugBreak();
|
---|
1293 | }
|
---|
1294 | }
|
---|
1295 | else
|
---|
1296 | {
|
---|
1297 | /* Update our copy. */
|
---|
1298 | RTSgBufCopyToBuf(&SgBuf, (uint8_t *)pIoReq->IoSeg.pvSeg + offSrc, cbCopy);
|
---|
1299 | }
|
---|
1300 | }
|
---|
1301 |
|
---|
1302 | return rc;
|
---|
1303 | }
|
---|
1304 |
|
---|
1305 | /**
|
---|
1306 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqQueryDiscardRanges}
|
---|
1307 | */
|
---|
1308 | static DECLCALLBACK(int) drvdiskintIoReqQueryDiscardRanges(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1309 | void *pvIoReqAlloc, uint32_t idxRangeStart,
|
---|
1310 | uint32_t cRanges, PRTRANGE paRanges,
|
---|
1311 | uint32_t *pcRanges)
|
---|
1312 | {
|
---|
1313 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
1314 | return pThis->pDrvMediaExPort->pfnIoReqQueryDiscardRanges(pThis->pDrvMediaExPort, hIoReq,
|
---|
1315 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1316 | idxRangeStart, cRanges, paRanges, pcRanges);
|
---|
1317 | }
|
---|
1318 |
|
---|
1319 | /**
|
---|
1320 | * @interface_method_impl{PDMIMEDIAEXPORT,pfnIoReqStateChanged}
|
---|
1321 | */
|
---|
1322 | static DECLCALLBACK(void) drvdiskintIoReqStateChanged(PPDMIMEDIAEXPORT pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1323 | void *pvIoReqAlloc, PDMMEDIAEXIOREQSTATE enmState)
|
---|
1324 | {
|
---|
1325 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaExPort);
|
---|
1326 | pThis->pDrvMediaExPort->pfnIoReqStateChanged(pThis->pDrvMediaExPort, hIoReq,
|
---|
1327 | DISKINTEGRITY_IOREQ_ALLOC_2_UPPER(pvIoReqAlloc),
|
---|
1328 | enmState);
|
---|
1329 | }
|
---|
1330 |
|
---|
1331 | /* -=-=-=-=- IMediaEx -=-=-=-=- */
|
---|
1332 |
|
---|
1333 | /**
|
---|
1334 | * @interface_method_impl{PDMIMEDIAEX,pfnQueryFeatures}
|
---|
1335 | */
|
---|
1336 | static DECLCALLBACK(int) drvdiskintQueryFeatures(PPDMIMEDIAEX pInterface, uint32_t *pfFeatures)
|
---|
1337 | {
|
---|
1338 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1339 | return pThis->pDrvMediaEx->pfnQueryFeatures(pThis->pDrvMediaEx, pfFeatures);
|
---|
1340 | }
|
---|
1341 |
|
---|
1342 | /**
|
---|
1343 | * @interface_method_impl{PDMIMEDIAEX,pfnNotifySuspend}
|
---|
1344 | */
|
---|
1345 | static DECLCALLBACK(void) drvdiskintNotifySuspend(PPDMIMEDIAEX pInterface)
|
---|
1346 | {
|
---|
1347 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1348 | return pThis->pDrvMediaEx->pfnNotifySuspend(pThis->pDrvMediaEx);
|
---|
1349 | }
|
---|
1350 |
|
---|
1351 | /**
|
---|
1352 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqAllocSizeSet}
|
---|
1353 | */
|
---|
1354 | static DECLCALLBACK(int) drvdiskintIoReqAllocSizeSet(PPDMIMEDIAEX pInterface, size_t cbIoReqAlloc)
|
---|
1355 | {
|
---|
1356 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1357 |
|
---|
1358 | /* Increase the amount by the size of a pointer to our private tracking structure. */
|
---|
1359 | cbIoReqAlloc += sizeof(PDRVDISKAIOREQ);
|
---|
1360 |
|
---|
1361 | pThis->fCheckDoubleCompletion = false;
|
---|
1362 |
|
---|
1363 | return pThis->pDrvMediaEx->pfnIoReqAllocSizeSet(pThis->pDrvMediaEx, cbIoReqAlloc);
|
---|
1364 | }
|
---|
1365 |
|
---|
1366 | /**
|
---|
1367 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqAlloc}
|
---|
1368 | */
|
---|
1369 | static DECLCALLBACK(int) drvdiskintIoReqAlloc(PPDMIMEDIAEX pInterface, PPDMMEDIAEXIOREQ phIoReq, void **ppvIoReqAlloc,
|
---|
1370 | PDMMEDIAEXIOREQID uIoReqId, uint32_t fFlags)
|
---|
1371 | {
|
---|
1372 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1373 | int rc = VINF_SUCCESS;
|
---|
1374 | PDRVDISKAIOREQ pIoReq = (PDRVDISKAIOREQ)RTMemCacheAlloc(pThis->hReqCache);
|
---|
1375 | if (RT_LIKELY(pIoReq))
|
---|
1376 | {
|
---|
1377 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_INVALID;
|
---|
1378 | pIoReq->off = 0;
|
---|
1379 | pIoReq->cbTransfer = 0;
|
---|
1380 | pIoReq->paSeg = NULL;
|
---|
1381 | pIoReq->cSeg = 0;
|
---|
1382 | pIoReq->pvUser = NULL;
|
---|
1383 | pIoReq->iSlot = 0;
|
---|
1384 | pIoReq->tsStart = 0;
|
---|
1385 | pIoReq->tsComplete = 0;
|
---|
1386 | pIoReq->IoSeg.pvSeg = NULL;
|
---|
1387 | pIoReq->IoSeg.cbSeg = 0;
|
---|
1388 |
|
---|
1389 | PDRVDISKAIOREQ *ppIoReq = NULL;
|
---|
1390 | rc = pThis->pDrvMediaEx->pfnIoReqAlloc(pThis->pDrvMediaEx, phIoReq, (void **)&ppIoReq, uIoReqId, fFlags);
|
---|
1391 | if RT_SUCCESS(rc)
|
---|
1392 | {
|
---|
1393 | /*
|
---|
1394 | * Store the size off the start of our tracking structure because it is
|
---|
1395 | * required to access it for the read/write callbacks.
|
---|
1396 | *
|
---|
1397 | * ASSUMPTION that the offset is constant.
|
---|
1398 | */
|
---|
1399 | if (!pThis->cbIoReqOpaque)
|
---|
1400 | pThis->cbIoReqOpaque = (uintptr_t)ppIoReq - (uintptr_t)*phIoReq;
|
---|
1401 | else
|
---|
1402 | Assert(pThis->cbIoReqOpaque == (uintptr_t)ppIoReq - (uintptr_t)*phIoReq);
|
---|
1403 |
|
---|
1404 | *ppIoReq = pIoReq;
|
---|
1405 | *ppvIoReqAlloc = ((uint8_t *)ppIoReq) + sizeof(PDRVDISKAIOREQ);
|
---|
1406 | }
|
---|
1407 | else
|
---|
1408 | RTMemCacheFree(pThis->hReqCache, pIoReq);
|
---|
1409 | }
|
---|
1410 | else
|
---|
1411 | rc = VERR_NO_MEMORY;
|
---|
1412 |
|
---|
1413 | return rc;
|
---|
1414 | }
|
---|
1415 |
|
---|
1416 | /**
|
---|
1417 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqFree}
|
---|
1418 | */
|
---|
1419 | static DECLCALLBACK(int) drvdiskintIoReqFree(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq)
|
---|
1420 | {
|
---|
1421 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1422 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
1423 |
|
---|
1424 | if (pIoReq->IoSeg.pvSeg)
|
---|
1425 | RTMemFree(pIoReq->IoSeg.pvSeg);
|
---|
1426 |
|
---|
1427 | return pThis->pDrvMediaEx->pfnIoReqFree(pThis->pDrvMediaEx, hIoReq);
|
---|
1428 | }
|
---|
1429 |
|
---|
1430 | /**
|
---|
1431 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQueryResidual}
|
---|
1432 | */
|
---|
1433 | static DECLCALLBACK(int) drvdiskintIoReqQueryResidual(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, size_t *pcbResidual)
|
---|
1434 | {
|
---|
1435 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1436 | return pThis->pDrvMediaEx->pfnIoReqQueryResidual(pThis->pDrvMediaEx, hIoReq, pcbResidual);
|
---|
1437 | }
|
---|
1438 |
|
---|
1439 | /**
|
---|
1440 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQueryXferSize}
|
---|
1441 | */
|
---|
1442 | static DECLCALLBACK(int) drvdiskintIoReqQueryXferSize(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, size_t *pcbXfer)
|
---|
1443 | {
|
---|
1444 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1445 | return pThis->pDrvMediaEx->pfnIoReqQueryXferSize(pThis->pDrvMediaEx, hIoReq, pcbXfer);
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 | /**
|
---|
1449 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqCancelAll}
|
---|
1450 | */
|
---|
1451 | static DECLCALLBACK(int) drvdiskintIoReqCancelAll(PPDMIMEDIAEX pInterface)
|
---|
1452 | {
|
---|
1453 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1454 | return pThis->pDrvMediaEx->pfnIoReqCancelAll(pThis->pDrvMediaEx);
|
---|
1455 | }
|
---|
1456 |
|
---|
1457 | /**
|
---|
1458 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqCancel}
|
---|
1459 | */
|
---|
1460 | static DECLCALLBACK(int) drvdiskintIoReqCancel(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQID uIoReqId)
|
---|
1461 | {
|
---|
1462 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1463 | return pThis->pDrvMediaEx->pfnIoReqCancel(pThis->pDrvMediaEx, uIoReqId);
|
---|
1464 | }
|
---|
1465 |
|
---|
1466 | /**
|
---|
1467 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqRead}
|
---|
1468 | */
|
---|
1469 | static DECLCALLBACK(int) drvdiskintIoReqRead(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, uint64_t off, size_t cbRead)
|
---|
1470 | {
|
---|
1471 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1472 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
1473 |
|
---|
1474 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_READ;
|
---|
1475 | pIoReq->off = off;
|
---|
1476 | pIoReq->cbTransfer = cbRead;
|
---|
1477 |
|
---|
1478 | /* Allocate a I/O buffer if the I/O is verified.*/
|
---|
1479 | if (pThis->fCheckConsistency)
|
---|
1480 | {
|
---|
1481 | pIoReq->IoSeg.pvSeg = RTMemAlloc(cbRead);
|
---|
1482 | pIoReq->IoSeg.cbSeg = cbRead;
|
---|
1483 | }
|
---|
1484 |
|
---|
1485 | if (pThis->fTraceRequests)
|
---|
1486 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
1487 |
|
---|
1488 | drvdiskintTraceLogFireEvtRead(pThis, (uintptr_t)hIoReq, true /* fAsync */, off, cbRead);
|
---|
1489 | int rc = pThis->pDrvMediaEx->pfnIoReqRead(pThis->pDrvMediaEx, hIoReq, off, cbRead);
|
---|
1490 | if (rc == VINF_SUCCESS)
|
---|
1491 | {
|
---|
1492 | /* Verify the read now. */
|
---|
1493 | if (pThis->fCheckConsistency)
|
---|
1494 | {
|
---|
1495 | int rc2 = drvdiskintReadVerify(pThis, &pIoReq->IoSeg, 1, off, cbRead);
|
---|
1496 | AssertRC(rc2);
|
---|
1497 | }
|
---|
1498 |
|
---|
1499 | if (pThis->hIoLogger)
|
---|
1500 | {
|
---|
1501 | RTSGBUF SgBuf;
|
---|
1502 |
|
---|
1503 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
1504 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, &SgBuf);
|
---|
1505 | }
|
---|
1506 |
|
---|
1507 | if (pThis->fTraceRequests)
|
---|
1508 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
1509 | }
|
---|
1510 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
1511 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
1512 |
|
---|
1513 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1514 | return rc;
|
---|
1515 | }
|
---|
1516 |
|
---|
1517 | /**
|
---|
1518 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqWrite}
|
---|
1519 | */
|
---|
1520 | static DECLCALLBACK(int) drvdiskintIoReqWrite(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, uint64_t off, size_t cbWrite)
|
---|
1521 | {
|
---|
1522 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1523 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
1524 |
|
---|
1525 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_WRITE;
|
---|
1526 | pIoReq->off = off;
|
---|
1527 | pIoReq->cbTransfer = cbWrite;
|
---|
1528 |
|
---|
1529 | /* Allocate a I/O buffer if the I/O is verified.*/
|
---|
1530 | if ( pThis->fCheckConsistency
|
---|
1531 | || pThis->fValidateMemBufs
|
---|
1532 | || pThis->hIoLogger
|
---|
1533 | || pThis->fRecordWriteBeforeCompletion)
|
---|
1534 | {
|
---|
1535 | pIoReq->IoSeg.pvSeg = RTMemAlloc(cbWrite);
|
---|
1536 | pIoReq->IoSeg.cbSeg = cbWrite;
|
---|
1537 |
|
---|
1538 | /* Sync the memory buffer over if we should validate it. */
|
---|
1539 | if ( pThis->fValidateMemBufs
|
---|
1540 | || pThis->hIoLogger
|
---|
1541 | || pThis->fRecordWriteBeforeCompletion)
|
---|
1542 | {
|
---|
1543 | RTSGBUF SgBuf;
|
---|
1544 |
|
---|
1545 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
1546 | int rc2 = pThis->pDrvMediaExPort->pfnIoReqCopyToBuf(pThis->pDrvMediaExPort, hIoReq,
|
---|
1547 | DISKINTEGRITY_IOREQ_HANDLE_2_UPPER_OPAQUE(pThis, hIoReq),
|
---|
1548 | 0, &SgBuf, cbWrite);
|
---|
1549 | AssertRC(rc2);
|
---|
1550 | }
|
---|
1551 | }
|
---|
1552 |
|
---|
1553 | if (pThis->fTraceRequests)
|
---|
1554 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
1555 |
|
---|
1556 | drvdiskintTraceLogFireEvtWrite(pThis, (uintptr_t)hIoReq, true /* fAsync */, off, cbWrite);
|
---|
1557 | if (pThis->fRecordWriteBeforeCompletion)
|
---|
1558 | {
|
---|
1559 |
|
---|
1560 | int rc2 = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, off, cbWrite);
|
---|
1561 | AssertRC(rc2);
|
---|
1562 | }
|
---|
1563 |
|
---|
1564 | int rc = pThis->pDrvMediaEx->pfnIoReqWrite(pThis->pDrvMediaEx, hIoReq, off, cbWrite);
|
---|
1565 | if (rc == VINF_SUCCESS)
|
---|
1566 | {
|
---|
1567 | /* Record the write. */
|
---|
1568 | if ( pThis->fCheckConsistency
|
---|
1569 | && !pThis->fRecordWriteBeforeCompletion)
|
---|
1570 | {
|
---|
1571 | int rc2 = drvdiskintWriteRecord(pThis, &pIoReq->IoSeg, 1, off, cbWrite);
|
---|
1572 | AssertRC(rc2);
|
---|
1573 | }
|
---|
1574 |
|
---|
1575 | RTSGBUF SgBuf;
|
---|
1576 | RTSgBufInit(&SgBuf, &pIoReq->IoSeg, 1);
|
---|
1577 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, &SgBuf);
|
---|
1578 | if (pThis->fTraceRequests)
|
---|
1579 | drvdiskintIoReqRemove(pThis, pIoReq);
|
---|
1580 | }
|
---|
1581 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
1582 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
1583 |
|
---|
1584 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1585 | return rc;
|
---|
1586 | }
|
---|
1587 |
|
---|
1588 | /**
|
---|
1589 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqFlush}
|
---|
1590 | */
|
---|
1591 | static DECLCALLBACK(int) drvdiskintIoReqFlush(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq)
|
---|
1592 | {
|
---|
1593 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1594 | PDRVDISKAIOREQ pIoReq = DISKINTEGRITY_IOREQ_HANDLE_2_DRVDISKAIOREQ(pThis, hIoReq);
|
---|
1595 |
|
---|
1596 | pIoReq->enmTxDir = DRVDISKAIOTXDIR_FLUSH;
|
---|
1597 | pIoReq->off = 0;
|
---|
1598 | pIoReq->cbTransfer = 0;
|
---|
1599 |
|
---|
1600 | if (pThis->fTraceRequests)
|
---|
1601 | drvdiskintIoReqAdd(pThis, pIoReq);
|
---|
1602 |
|
---|
1603 | drvdiskintTraceLogFireEvtFlush(pThis, (uintptr_t)hIoReq, true /* fAsync */);
|
---|
1604 | int rc = pThis->pDrvMediaEx->pfnIoReqFlush(pThis->pDrvMediaEx, hIoReq);
|
---|
1605 | if (rc == VINF_SUCCESS)
|
---|
1606 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
1607 | else if (rc != VINF_PDM_MEDIAEX_IOREQ_IN_PROGRESS)
|
---|
1608 | drvdiskintTraceLogFireEvtComplete(pThis, (uintptr_t)hIoReq, rc, NULL);
|
---|
1609 |
|
---|
1610 | LogFlowFunc(("returns %Rrc\n", rc));
|
---|
1611 | return rc;
|
---|
1612 | }
|
---|
1613 |
|
---|
1614 | /**
|
---|
1615 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqDiscard}
|
---|
1616 | */
|
---|
1617 | static DECLCALLBACK(int) drvdiskintIoReqDiscard(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq, unsigned cRangesMax)
|
---|
1618 | {
|
---|
1619 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1620 | return pThis->pDrvMediaEx->pfnIoReqDiscard(pThis->pDrvMediaEx, hIoReq, cRangesMax);
|
---|
1621 | }
|
---|
1622 |
|
---|
1623 | /**
|
---|
1624 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqGetActiveCount}
|
---|
1625 | */
|
---|
1626 | static DECLCALLBACK(uint32_t) drvdiskintIoReqGetActiveCount(PPDMIMEDIAEX pInterface)
|
---|
1627 | {
|
---|
1628 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1629 | return pThis->pDrvMediaEx->pfnIoReqGetActiveCount(pThis->pDrvMediaEx);
|
---|
1630 | }
|
---|
1631 |
|
---|
1632 | /**
|
---|
1633 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqGetSuspendedCount}
|
---|
1634 | */
|
---|
1635 | static DECLCALLBACK(uint32_t) drvdiskintIoReqGetSuspendedCount(PPDMIMEDIAEX pInterface)
|
---|
1636 | {
|
---|
1637 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1638 | return pThis->pDrvMediaEx->pfnIoReqGetSuspendedCount(pThis->pDrvMediaEx);
|
---|
1639 | }
|
---|
1640 |
|
---|
1641 | /**
|
---|
1642 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQuerySuspendedStart}
|
---|
1643 | */
|
---|
1644 | static DECLCALLBACK(int) drvdiskintIoReqQuerySuspendedStart(PPDMIMEDIAEX pInterface, PPDMMEDIAEXIOREQ phIoReq, void **ppvIoReqAlloc)
|
---|
1645 | {
|
---|
1646 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1647 | return pThis->pDrvMediaEx->pfnIoReqQuerySuspendedStart(pThis->pDrvMediaEx, phIoReq, ppvIoReqAlloc);
|
---|
1648 | }
|
---|
1649 |
|
---|
1650 | /**
|
---|
1651 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqQuerySuspendedNext}
|
---|
1652 | */
|
---|
1653 | static DECLCALLBACK(int) drvdiskintIoReqQuerySuspendedNext(PPDMIMEDIAEX pInterface, PDMMEDIAEXIOREQ hIoReq,
|
---|
1654 | PPDMMEDIAEXIOREQ phIoReqNext, void **ppvIoReqAllocNext)
|
---|
1655 | {
|
---|
1656 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1657 | return pThis->pDrvMediaEx->pfnIoReqQuerySuspendedNext(pThis->pDrvMediaEx, hIoReq, phIoReqNext, ppvIoReqAllocNext);
|
---|
1658 | }
|
---|
1659 |
|
---|
1660 | /**
|
---|
1661 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqSuspendedSave}
|
---|
1662 | */
|
---|
1663 | static DECLCALLBACK(int) drvdiskintIoReqSuspendedSave(PPDMIMEDIAEX pInterface, PSSMHANDLE pSSM, PDMMEDIAEXIOREQ hIoReq)
|
---|
1664 | {
|
---|
1665 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1666 | return pThis->pDrvMediaEx->pfnIoReqSuspendedSave(pThis->pDrvMediaEx, pSSM, hIoReq);
|
---|
1667 | }
|
---|
1668 |
|
---|
1669 | /**
|
---|
1670 | * @interface_method_impl{PDMIMEDIAEX,pfnIoReqSuspendedLoad}
|
---|
1671 | */
|
---|
1672 | static DECLCALLBACK(int) drvdiskintIoReqSuspendedLoad(PPDMIMEDIAEX pInterface, PSSMHANDLE pSSM, PDMMEDIAEXIOREQ hIoReq)
|
---|
1673 | {
|
---|
1674 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMediaEx);
|
---|
1675 | return pThis->pDrvMediaEx->pfnIoReqSuspendedLoad(pThis->pDrvMediaEx, pSSM, hIoReq);
|
---|
1676 | }
|
---|
1677 |
|
---|
1678 | /* -=-=-=-=- IMount -=-=-=-=- */
|
---|
1679 |
|
---|
1680 | /** @interface_method_impl{PDMIMOUNT,pfnUnmount} */
|
---|
1681 | static DECLCALLBACK(int) drvdiskintUnmount(PPDMIMOUNT pInterface, bool fForce, bool fEject)
|
---|
1682 | {
|
---|
1683 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
1684 | return pThis->pDrvMount->pfnUnmount(pThis->pDrvMount, fForce, fEject);
|
---|
1685 | }
|
---|
1686 |
|
---|
1687 | /** @interface_method_impl{PDMIMOUNT,pfnIsMounted} */
|
---|
1688 | static DECLCALLBACK(bool) drvdiskintIsMounted(PPDMIMOUNT pInterface)
|
---|
1689 | {
|
---|
1690 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
1691 | return pThis->pDrvMount->pfnIsMounted(pThis->pDrvMount);
|
---|
1692 | }
|
---|
1693 |
|
---|
1694 | /** @interface_method_impl{PDMIMOUNT,pfnLock} */
|
---|
1695 | static DECLCALLBACK(int) drvdiskintLock(PPDMIMOUNT pInterface)
|
---|
1696 | {
|
---|
1697 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
1698 | return pThis->pDrvMount->pfnLock(pThis->pDrvMount);
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | /** @interface_method_impl{PDMIMOUNT,pfnUnlock} */
|
---|
1702 | static DECLCALLBACK(int) drvdiskintUnlock(PPDMIMOUNT pInterface)
|
---|
1703 | {
|
---|
1704 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
1705 | return pThis->pDrvMount->pfnUnlock(pThis->pDrvMount);
|
---|
1706 | }
|
---|
1707 |
|
---|
1708 | /** @interface_method_impl{PDMIMOUNT,pfnIsLocked} */
|
---|
1709 | static DECLCALLBACK(bool) drvdiskintIsLocked(PPDMIMOUNT pInterface)
|
---|
1710 | {
|
---|
1711 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMount);
|
---|
1712 | return pThis->pDrvMount->pfnIsLocked(pThis->pDrvMount);
|
---|
1713 | }
|
---|
1714 |
|
---|
1715 | /* -=-=-=-=- IMountNotify -=-=-=-=- */
|
---|
1716 |
|
---|
1717 | /** @interface_method_impl{PDMIMOUNTNOTIFY,pfnMountNotify} */
|
---|
1718 | static DECLCALLBACK(void) drvdiskintMountNotify(PPDMIMOUNTNOTIFY pInterface)
|
---|
1719 | {
|
---|
1720 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMountNotify);
|
---|
1721 | pThis->pDrvMountNotify->pfnMountNotify(pThis->pDrvMountNotify);
|
---|
1722 | }
|
---|
1723 |
|
---|
1724 | /** @interface_method_impl{PDMIMOUNTNOTIFY,pfnUnmountNotify} */
|
---|
1725 | static DECLCALLBACK(void) drvdiskintUnmountNotify(PPDMIMOUNTNOTIFY pInterface)
|
---|
1726 | {
|
---|
1727 | PDRVDISKINTEGRITY pThis = RT_FROM_MEMBER(pInterface, DRVDISKINTEGRITY, IMountNotify);
|
---|
1728 | pThis->pDrvMountNotify->pfnUnmountNotify(pThis->pDrvMountNotify);
|
---|
1729 | }
|
---|
1730 |
|
---|
1731 | /* -=-=-=-=- IBase -=-=-=-=- */
|
---|
1732 |
|
---|
1733 | /**
|
---|
1734 | * @interface_method_impl{PDMIBASE,pfnQueryInterface}
|
---|
1735 | */
|
---|
1736 | static DECLCALLBACK(void *) drvdiskintQueryInterface(PPDMIBASE pInterface, const char *pszIID)
|
---|
1737 | {
|
---|
1738 | PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
|
---|
1739 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
1740 |
|
---|
1741 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
|
---|
1742 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIA, &pThis->IMedia);
|
---|
1743 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAPORT, &pThis->IMediaPort);
|
---|
1744 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEXPORT, &pThis->IMediaExPort);
|
---|
1745 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMEDIAEX, pThis->pDrvMediaEx ? &pThis->IMediaEx : NULL);
|
---|
1746 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUNT, pThis->pDrvMount ? &pThis->IMount : NULL);
|
---|
1747 | PDMIBASE_RETURN_INTERFACE(pszIID, PDMIMOUNTNOTIFY, &pThis->IMountNotify);
|
---|
1748 | return NULL;
|
---|
1749 | }
|
---|
1750 |
|
---|
1751 |
|
---|
1752 | /* -=-=-=-=- driver interface -=-=-=-=- */
|
---|
1753 |
|
---|
1754 | static DECLCALLBACK(int) drvdiskintTreeDestroy(PAVLRFOFFNODECORE pNode, void *pvUser)
|
---|
1755 | {
|
---|
1756 | PDRVDISKSEGMENT pSeg = (PDRVDISKSEGMENT)pNode;
|
---|
1757 |
|
---|
1758 | RT_NOREF(pvUser);
|
---|
1759 |
|
---|
1760 | RTMemFree(pSeg->pbSeg);
|
---|
1761 | RTMemFree(pSeg);
|
---|
1762 | return VINF_SUCCESS;
|
---|
1763 | }
|
---|
1764 |
|
---|
1765 | /**
|
---|
1766 | * @copydoc FNPDMDRVDESTRUCT
|
---|
1767 | */
|
---|
1768 | static DECLCALLBACK(void) drvdiskintDestruct(PPDMDRVINS pDrvIns)
|
---|
1769 | {
|
---|
1770 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
1771 |
|
---|
1772 | if (pThis->pTreeSegments)
|
---|
1773 | {
|
---|
1774 | RTAvlrFileOffsetDestroy(pThis->pTreeSegments, drvdiskintTreeDestroy, NULL);
|
---|
1775 | RTMemFree(pThis->pTreeSegments);
|
---|
1776 | }
|
---|
1777 |
|
---|
1778 | if (pThis->fTraceRequests)
|
---|
1779 | {
|
---|
1780 | pThis->fRunning = false;
|
---|
1781 | RTSemEventSignal(pThis->SemEvent);
|
---|
1782 | RTSemEventDestroy(pThis->SemEvent);
|
---|
1783 | }
|
---|
1784 |
|
---|
1785 | if (pThis->fCheckDoubleCompletion)
|
---|
1786 | {
|
---|
1787 | /* Free all requests */
|
---|
1788 | while (pThis->papIoReq[pThis->iEntry])
|
---|
1789 | {
|
---|
1790 | RTMemFree(pThis->papIoReq[pThis->iEntry]);
|
---|
1791 | pThis->papIoReq[pThis->iEntry] = NULL;
|
---|
1792 | pThis->iEntry = (pThis->iEntry+1) % pThis->cEntries;
|
---|
1793 | }
|
---|
1794 | }
|
---|
1795 |
|
---|
1796 | if (pThis->hIoLogger)
|
---|
1797 | RTTraceLogWrDestroy(pThis->hIoLogger);
|
---|
1798 |
|
---|
1799 | if (pThis->hReqCache != NIL_RTMEMCACHE)
|
---|
1800 | {
|
---|
1801 | RTMemCacheDestroy(pThis->hReqCache);
|
---|
1802 | pThis->hReqCache = NIL_RTMEMCACHE;
|
---|
1803 | }
|
---|
1804 | }
|
---|
1805 |
|
---|
1806 | /**
|
---|
1807 | * Construct a disk integrity driver instance.
|
---|
1808 | *
|
---|
1809 | * @copydoc FNPDMDRVCONSTRUCT
|
---|
1810 | */
|
---|
1811 | static DECLCALLBACK(int) drvdiskintConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
|
---|
1812 | {
|
---|
1813 | PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
|
---|
1814 | PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY);
|
---|
1815 | PCPDMDRVHLPR3 pHlp = pDrvIns->pHlpR3;
|
---|
1816 |
|
---|
1817 | LogFlow(("drvdiskintConstruct: iInstance=%d\n", pDrvIns->iInstance));
|
---|
1818 |
|
---|
1819 | /*
|
---|
1820 | * Validate configuration.
|
---|
1821 | */
|
---|
1822 | PDMDRV_VALIDATE_CONFIG_RETURN(pDrvIns, "CheckConsistency"
|
---|
1823 | "|TraceRequests"
|
---|
1824 | "|CheckIntervalMs"
|
---|
1825 | "|ExpireIntervalMs"
|
---|
1826 | "|CheckDoubleCompletions"
|
---|
1827 | "|HistorySize"
|
---|
1828 | "|IoLogType"
|
---|
1829 | "|IoLogFile"
|
---|
1830 | "|IoLogAddress"
|
---|
1831 | "|IoLogPort"
|
---|
1832 | "|IoLogData"
|
---|
1833 | "|PrepopulateRamDisk"
|
---|
1834 | "|ReadAfterWrite"
|
---|
1835 | "|RecordWriteBeforeCompletion"
|
---|
1836 | "|ValidateMemoryBuffers",
|
---|
1837 | "");
|
---|
1838 |
|
---|
1839 | int rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "CheckConsistency", &pThis->fCheckConsistency, false);
|
---|
1840 | AssertRC(rc);
|
---|
1841 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "TraceRequests", &pThis->fTraceRequests, false);
|
---|
1842 | AssertRC(rc);
|
---|
1843 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "CheckIntervalMs", &pThis->uCheckIntervalMs, 5000); /* 5 seconds */
|
---|
1844 | AssertRC(rc);
|
---|
1845 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "ExpireIntervalMs", &pThis->uExpireIntervalMs, 20000); /* 20 seconds */
|
---|
1846 | AssertRC(rc);
|
---|
1847 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "CheckDoubleCompletions", &pThis->fCheckDoubleCompletion, false);
|
---|
1848 | AssertRC(rc);
|
---|
1849 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "HistorySize", &pThis->cEntries, 512);
|
---|
1850 | AssertRC(rc);
|
---|
1851 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "PrepopulateRamDisk", &pThis->fPrepopulateRamDisk, false);
|
---|
1852 | AssertRC(rc);
|
---|
1853 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ReadAfterWrite", &pThis->fReadAfterWrite, false);
|
---|
1854 | AssertRC(rc);
|
---|
1855 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "RecordWriteBeforeCompletion", &pThis->fRecordWriteBeforeCompletion, false);
|
---|
1856 | AssertRC(rc);
|
---|
1857 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ValidateMemoryBuffers", &pThis->fValidateMemBufs, false);
|
---|
1858 | AssertRC(rc);
|
---|
1859 |
|
---|
1860 | bool fIoLogData = false;
|
---|
1861 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "IoLogData", &fIoLogData, false);
|
---|
1862 | AssertRC(rc);
|
---|
1863 |
|
---|
1864 | char *pszIoLogType = NULL;
|
---|
1865 | char *pszIoLogFilename = NULL;
|
---|
1866 | char *pszAddress = NULL;
|
---|
1867 | uint32_t uPort = 0;
|
---|
1868 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogType", &pszIoLogType);
|
---|
1869 | if (RT_SUCCESS(rc))
|
---|
1870 | {
|
---|
1871 | if (!RTStrICmp(pszIoLogType, "File"))
|
---|
1872 | {
|
---|
1873 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogFile", &pszIoLogFilename);
|
---|
1874 | AssertRC(rc);
|
---|
1875 | }
|
---|
1876 | else if (!RTStrICmp(pszIoLogType, "Server"))
|
---|
1877 | {
|
---|
1878 | rc = pHlp->pfnCFGMQueryStringAllocDef(pCfg, "IoLogAddress", &pszAddress, NULL);
|
---|
1879 | AssertRC(rc);
|
---|
1880 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "IoLogPort", &uPort, 4000);
|
---|
1881 | AssertRC(rc);
|
---|
1882 | }
|
---|
1883 | else if (!RTStrICmp(pszIoLogType, "Client"))
|
---|
1884 | {
|
---|
1885 | rc = pHlp->pfnCFGMQueryStringAlloc(pCfg, "IoLogAddress", &pszAddress);
|
---|
1886 | AssertRC(rc);
|
---|
1887 | rc = pHlp->pfnCFGMQueryU32Def(pCfg, "IoLogPort", &uPort, 4000);
|
---|
1888 | AssertRC(rc);
|
---|
1889 | }
|
---|
1890 | else
|
---|
1891 | AssertMsgFailed(("Invalid I/O log type given: %s\n", pszIoLogType));
|
---|
1892 | }
|
---|
1893 | else
|
---|
1894 | Assert(rc == VERR_CFGM_VALUE_NOT_FOUND);
|
---|
1895 |
|
---|
1896 | /*
|
---|
1897 | * Initialize most of the data members.
|
---|
1898 | */
|
---|
1899 | pThis->pDrvIns = pDrvIns;
|
---|
1900 | pThis->hReqCache = NIL_RTMEMCACHE;
|
---|
1901 |
|
---|
1902 | /* IBase. */
|
---|
1903 | pDrvIns->IBase.pfnQueryInterface = drvdiskintQueryInterface;
|
---|
1904 |
|
---|
1905 | /* IMedia */
|
---|
1906 | pThis->IMedia.pfnRead = drvdiskintRead;
|
---|
1907 | pThis->IMedia.pfnWrite = drvdiskintWrite;
|
---|
1908 | pThis->IMedia.pfnFlush = drvdiskintFlush;
|
---|
1909 | pThis->IMedia.pfnGetSize = drvdiskintGetSize;
|
---|
1910 | pThis->IMedia.pfnIsReadOnly = drvdiskintIsReadOnly;
|
---|
1911 | pThis->IMedia.pfnBiosIsVisible = drvdiskintBiosIsVisible;
|
---|
1912 | pThis->IMedia.pfnBiosGetPCHSGeometry = drvdiskintBiosGetPCHSGeometry;
|
---|
1913 | pThis->IMedia.pfnBiosSetPCHSGeometry = drvdiskintBiosSetPCHSGeometry;
|
---|
1914 | pThis->IMedia.pfnBiosGetLCHSGeometry = drvdiskintBiosGetLCHSGeometry;
|
---|
1915 | pThis->IMedia.pfnBiosSetLCHSGeometry = drvdiskintBiosSetLCHSGeometry;
|
---|
1916 | pThis->IMedia.pfnGetUuid = drvdiskintGetUuid;
|
---|
1917 | pThis->IMedia.pfnGetSectorSize = drvdiskintGetSectorSize;
|
---|
1918 | pThis->IMedia.pfnGetType = drvdiskintGetType;
|
---|
1919 | pThis->IMedia.pfnReadPcBios = drvdiskintReadPcBios;
|
---|
1920 | pThis->IMedia.pfnIsNonRotational = drvdiskintIsNonRotational;
|
---|
1921 | pThis->IMedia.pfnSendCmd = NULL;
|
---|
1922 | pThis->IMedia.pfnGetRegionCount = drvdiskintGetRegionCount;
|
---|
1923 | pThis->IMedia.pfnQueryRegionProperties = drvdiskintQueryRegionProperties;
|
---|
1924 | pThis->IMedia.pfnQueryRegionPropertiesForLba = drvdiskintQueryRegionPropertiesForLba;
|
---|
1925 |
|
---|
1926 |
|
---|
1927 | /* IMediaEx. */
|
---|
1928 | pThis->IMediaEx.pfnQueryFeatures = drvdiskintQueryFeatures;
|
---|
1929 | pThis->IMediaEx.pfnNotifySuspend = drvdiskintNotifySuspend;
|
---|
1930 | pThis->IMediaEx.pfnIoReqAllocSizeSet = drvdiskintIoReqAllocSizeSet;
|
---|
1931 | pThis->IMediaEx.pfnIoReqAlloc = drvdiskintIoReqAlloc;
|
---|
1932 | pThis->IMediaEx.pfnIoReqFree = drvdiskintIoReqFree;
|
---|
1933 | pThis->IMediaEx.pfnIoReqQueryResidual = drvdiskintIoReqQueryResidual;
|
---|
1934 | pThis->IMediaEx.pfnIoReqQueryXferSize = drvdiskintIoReqQueryXferSize;
|
---|
1935 | pThis->IMediaEx.pfnIoReqCancelAll = drvdiskintIoReqCancelAll;
|
---|
1936 | pThis->IMediaEx.pfnIoReqCancel = drvdiskintIoReqCancel;
|
---|
1937 | pThis->IMediaEx.pfnIoReqRead = drvdiskintIoReqRead;
|
---|
1938 | pThis->IMediaEx.pfnIoReqWrite = drvdiskintIoReqWrite;
|
---|
1939 | pThis->IMediaEx.pfnIoReqFlush = drvdiskintIoReqFlush;
|
---|
1940 | pThis->IMediaEx.pfnIoReqDiscard = drvdiskintIoReqDiscard;
|
---|
1941 | pThis->IMediaEx.pfnIoReqGetActiveCount = drvdiskintIoReqGetActiveCount;
|
---|
1942 | pThis->IMediaEx.pfnIoReqGetSuspendedCount = drvdiskintIoReqGetSuspendedCount;
|
---|
1943 | pThis->IMediaEx.pfnIoReqQuerySuspendedStart = drvdiskintIoReqQuerySuspendedStart;
|
---|
1944 | pThis->IMediaEx.pfnIoReqQuerySuspendedNext = drvdiskintIoReqQuerySuspendedNext;
|
---|
1945 | pThis->IMediaEx.pfnIoReqSuspendedSave = drvdiskintIoReqSuspendedSave;
|
---|
1946 | pThis->IMediaEx.pfnIoReqSuspendedLoad = drvdiskintIoReqSuspendedLoad;
|
---|
1947 |
|
---|
1948 | /* IMediaPort. */
|
---|
1949 | pThis->IMediaPort.pfnQueryDeviceLocation = drvdiskintQueryDeviceLocation;
|
---|
1950 |
|
---|
1951 | /* IMediaExPort. */
|
---|
1952 | pThis->IMediaExPort.pfnIoReqCompleteNotify = drvdiskintIoReqCompleteNotify;
|
---|
1953 | pThis->IMediaExPort.pfnIoReqCopyFromBuf = drvdiskintIoReqCopyFromBuf;
|
---|
1954 | pThis->IMediaExPort.pfnIoReqCopyToBuf = drvdiskintIoReqCopyToBuf;
|
---|
1955 | pThis->IMediaExPort.pfnIoReqQueryDiscardRanges = drvdiskintIoReqQueryDiscardRanges;
|
---|
1956 | pThis->IMediaExPort.pfnIoReqStateChanged = drvdiskintIoReqStateChanged;
|
---|
1957 |
|
---|
1958 | /* IMount */
|
---|
1959 | pThis->IMount.pfnUnmount = drvdiskintUnmount;
|
---|
1960 | pThis->IMount.pfnIsMounted = drvdiskintIsMounted;
|
---|
1961 | pThis->IMount.pfnLock = drvdiskintLock;
|
---|
1962 | pThis->IMount.pfnUnlock = drvdiskintUnlock;
|
---|
1963 | pThis->IMount.pfnIsLocked = drvdiskintIsLocked;
|
---|
1964 |
|
---|
1965 | /* IMountNotify */
|
---|
1966 | pThis->IMountNotify.pfnMountNotify = drvdiskintMountNotify;
|
---|
1967 | pThis->IMountNotify.pfnUnmountNotify = drvdiskintUnmountNotify;
|
---|
1968 |
|
---|
1969 | /* Query the media port interface above us. */
|
---|
1970 | pThis->pDrvMediaPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAPORT);
|
---|
1971 | if (!pThis->pDrvMediaPort)
|
---|
1972 | return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW,
|
---|
1973 | N_("No media port interface above"));
|
---|
1974 |
|
---|
1975 | /* Try to attach extended media port interface above.*/
|
---|
1976 | pThis->pDrvMediaExPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAEXPORT);
|
---|
1977 |
|
---|
1978 | rc = RTMemCacheCreate(&pThis->hReqCache, sizeof(DRVDISKAIOREQ), 0, UINT32_MAX,
|
---|
1979 | NULL, NULL, NULL, 0);
|
---|
1980 | if (RT_FAILURE(rc))
|
---|
1981 | return PDMDRV_SET_ERROR(pDrvIns, rc,
|
---|
1982 | N_("Failed to create request tracking structure cache"));
|
---|
1983 |
|
---|
1984 | /*
|
---|
1985 | * Try attach driver below and query it's media interface.
|
---|
1986 | */
|
---|
1987 | PPDMIBASE pBase;
|
---|
1988 | rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBase);
|
---|
1989 | if (RT_FAILURE(rc))
|
---|
1990 | return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
|
---|
1991 | N_("Failed to attach driver below us! %Rrc"), rc);
|
---|
1992 |
|
---|
1993 | pThis->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIA);
|
---|
1994 | if (!pThis->pDrvMedia)
|
---|
1995 | return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW,
|
---|
1996 | N_("No media or async media interface below"));
|
---|
1997 |
|
---|
1998 | pThis->pDrvMediaEx = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIAEX);
|
---|
1999 | pThis->pDrvMount = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMOUNT);
|
---|
2000 |
|
---|
2001 | if (pThis->pDrvMedia->pfnDiscard)
|
---|
2002 | pThis->IMedia.pfnDiscard = drvdiskintDiscard;
|
---|
2003 |
|
---|
2004 | if (pThis->fCheckConsistency)
|
---|
2005 | {
|
---|
2006 | /* Create the AVL tree. */
|
---|
2007 | pThis->pTreeSegments = (PAVLRFOFFTREE)RTMemAllocZ(sizeof(AVLRFOFFTREE));
|
---|
2008 | if (!pThis->pTreeSegments)
|
---|
2009 | rc = VERR_NO_MEMORY;
|
---|
2010 | }
|
---|
2011 |
|
---|
2012 | if (pThis->fTraceRequests)
|
---|
2013 | {
|
---|
2014 | for (unsigned i = 0; i < RT_ELEMENTS(pThis->apReqActive); i++)
|
---|
2015 | {
|
---|
2016 | pThis->apReqActive[i].pIoReq = NULL;
|
---|
2017 | pThis->apReqActive[i].tsStart = 0;
|
---|
2018 | }
|
---|
2019 |
|
---|
2020 | pThis->iNextFreeSlot = 0;
|
---|
2021 |
|
---|
2022 | /* Init event semaphore. */
|
---|
2023 | rc = RTSemEventCreate(&pThis->SemEvent);
|
---|
2024 | AssertRC(rc);
|
---|
2025 | pThis->fRunning = true;
|
---|
2026 | rc = RTThreadCreate(&pThis->hThread, drvdiskIntIoReqExpiredCheck, pThis,
|
---|
2027 | 0, RTTHREADTYPE_INFREQUENT_POLLER, 0, "DiskIntegrity");
|
---|
2028 | AssertRC(rc);
|
---|
2029 | }
|
---|
2030 |
|
---|
2031 | if (pThis->fCheckDoubleCompletion)
|
---|
2032 | {
|
---|
2033 | pThis->iEntry = 0;
|
---|
2034 | pThis->papIoReq = (PDRVDISKAIOREQ *)RTMemAllocZ(pThis->cEntries * sizeof(PDRVDISKAIOREQ));
|
---|
2035 | AssertPtr(pThis->papIoReq);
|
---|
2036 | }
|
---|
2037 |
|
---|
2038 | if (pszIoLogType)
|
---|
2039 | {
|
---|
2040 | if (!RTStrICmp(pszIoLogType, "File"))
|
---|
2041 | {
|
---|
2042 | rc = RTTraceLogWrCreateFile(&pThis->hIoLogger, NULL, pszIoLogFilename);
|
---|
2043 | PDMDrvHlpMMHeapFree(pDrvIns, pszIoLogFilename);
|
---|
2044 | }
|
---|
2045 | else if (!RTStrICmp(pszIoLogType, "Server"))
|
---|
2046 | {
|
---|
2047 | rc = RTTraceLogWrCreateTcpServer(&pThis->hIoLogger, NULL, pszAddress, uPort);
|
---|
2048 | if (pszAddress)
|
---|
2049 | PDMDrvHlpMMHeapFree(pDrvIns, pszAddress);
|
---|
2050 | }
|
---|
2051 | else if (!RTStrICmp(pszIoLogType, "Client"))
|
---|
2052 | {
|
---|
2053 | rc = RTTraceLogWrCreateTcpClient(&pThis->hIoLogger, NULL, pszAddress, uPort);
|
---|
2054 | PDMDrvHlpMMHeapFree(pDrvIns, pszAddress);
|
---|
2055 | }
|
---|
2056 | else
|
---|
2057 | AssertMsgFailed(("Invalid I/O log type given: %s\n", pszIoLogType));
|
---|
2058 |
|
---|
2059 | PDMDrvHlpMMHeapFree(pDrvIns, pszIoLogType);
|
---|
2060 | }
|
---|
2061 |
|
---|
2062 | /* Read in all data before the start if requested. */
|
---|
2063 | if (pThis->fPrepopulateRamDisk)
|
---|
2064 | {
|
---|
2065 | uint64_t cbDisk = 0;
|
---|
2066 |
|
---|
2067 | LogRel(("DiskIntegrity: Prepopulating RAM disk, this will take some time...\n"));
|
---|
2068 |
|
---|
2069 | cbDisk = pThis->pDrvMedia->pfnGetSize(pThis->pDrvMedia);
|
---|
2070 | if (cbDisk)
|
---|
2071 | {
|
---|
2072 | uint64_t off = 0;
|
---|
2073 | uint8_t abBuffer[_64K];
|
---|
2074 | RTSGSEG Seg;
|
---|
2075 |
|
---|
2076 | Seg.pvSeg = abBuffer;
|
---|
2077 |
|
---|
2078 | while (cbDisk)
|
---|
2079 | {
|
---|
2080 | size_t cbThisRead = RT_MIN(cbDisk, sizeof(abBuffer));
|
---|
2081 |
|
---|
2082 | rc = pThis->pDrvMedia->pfnRead(pThis->pDrvMedia, off, abBuffer, cbThisRead);
|
---|
2083 | if (RT_FAILURE(rc))
|
---|
2084 | break;
|
---|
2085 |
|
---|
2086 | if (ASMBitFirstSet(abBuffer, sizeof(abBuffer) * 8) != -1)
|
---|
2087 | {
|
---|
2088 | Seg.cbSeg = cbThisRead;
|
---|
2089 | rc = drvdiskintWriteRecord(pThis, &Seg, 1,
|
---|
2090 | off, cbThisRead);
|
---|
2091 | if (RT_FAILURE(rc))
|
---|
2092 | break;
|
---|
2093 | }
|
---|
2094 |
|
---|
2095 | cbDisk -= cbThisRead;
|
---|
2096 | off += cbThisRead;
|
---|
2097 | }
|
---|
2098 |
|
---|
2099 | LogRel(("DiskIntegrity: Prepopulating RAM disk finished with %Rrc\n", rc));
|
---|
2100 | }
|
---|
2101 | else
|
---|
2102 | return PDMDRV_SET_ERROR(pDrvIns, VERR_INTERNAL_ERROR,
|
---|
2103 | N_("DiskIntegrity: Error querying the media size below"));
|
---|
2104 | }
|
---|
2105 |
|
---|
2106 | return rc;
|
---|
2107 | }
|
---|
2108 |
|
---|
2109 |
|
---|
2110 | /**
|
---|
2111 | * Block driver registration record.
|
---|
2112 | */
|
---|
2113 | const PDMDRVREG g_DrvDiskIntegrity =
|
---|
2114 | {
|
---|
2115 | /* u32Version */
|
---|
2116 | PDM_DRVREG_VERSION,
|
---|
2117 | /* szName */
|
---|
2118 | "DiskIntegrity",
|
---|
2119 | /* szRCMod */
|
---|
2120 | "",
|
---|
2121 | /* szR0Mod */
|
---|
2122 | "",
|
---|
2123 | /* pszDescription */
|
---|
2124 | "Disk integrity driver.",
|
---|
2125 | /* fFlags */
|
---|
2126 | PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
|
---|
2127 | /* fClass. */
|
---|
2128 | PDM_DRVREG_CLASS_BLOCK,
|
---|
2129 | /* cMaxInstances */
|
---|
2130 | ~0U,
|
---|
2131 | /* cbInstance */
|
---|
2132 | sizeof(DRVDISKINTEGRITY),
|
---|
2133 | /* pfnConstruct */
|
---|
2134 | drvdiskintConstruct,
|
---|
2135 | /* pfnDestruct */
|
---|
2136 | drvdiskintDestruct,
|
---|
2137 | /* pfnRelocate */
|
---|
2138 | NULL,
|
---|
2139 | /* pfnIOCtl */
|
---|
2140 | NULL,
|
---|
2141 | /* pfnPowerOn */
|
---|
2142 | NULL,
|
---|
2143 | /* pfnReset */
|
---|
2144 | NULL,
|
---|
2145 | /* pfnSuspend */
|
---|
2146 | NULL,
|
---|
2147 | /* pfnResume */
|
---|
2148 | NULL,
|
---|
2149 | /* pfnAttach */
|
---|
2150 | NULL,
|
---|
2151 | /* pfnDetach */
|
---|
2152 | NULL,
|
---|
2153 | /* pfnPowerOff */
|
---|
2154 | NULL,
|
---|
2155 | /* pfnSoftReset */
|
---|
2156 | NULL,
|
---|
2157 | /* u32EndVersion */
|
---|
2158 | PDM_DRVREG_VERSION
|
---|
2159 | };
|
---|
2160 |
|
---|