1 | /* $Id: ATAPIPassthrough.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * VBox storage devices: ATAPI emulation (common code for DevATA and DevAHCI).
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2012-2024 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 | #define LOG_GROUP LOG_GROUP_DEV_IDE
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28 | #include <iprt/log.h>
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29 | #include <iprt/assert.h>
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30 | #include <iprt/mem.h>
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31 | #include <iprt/string.h>
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32 |
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33 | #include <VBox/log.h>
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34 | #include <iprt/errcore.h>
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35 | #include <VBox/cdefs.h>
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36 | #include <VBox/scsi.h>
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37 | #include <VBox/scsiinline.h>
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38 |
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39 | #include "ATAPIPassthrough.h"
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40 |
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41 | /** The track was not detected yet. */
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42 | #define TRACK_FLAGS_UNDETECTED RT_BIT_32(0)
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43 | /** The track is the lead in track of the medium. */
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44 | #define TRACK_FLAGS_LEAD_IN RT_BIT_32(1)
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45 | /** The track is the lead out track of the medium. */
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46 | #define TRACK_FLAGS_LEAD_OUT RT_BIT_32(2)
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47 |
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48 | /** Don't clear already detected tracks on the medium. */
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49 | #define ATAPI_TRACK_LIST_REALLOCATE_FLAGS_DONT_CLEAR RT_BIT_32(0)
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50 |
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51 | /**
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52 | * Track main data form.
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53 | */
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54 | typedef enum TRACKDATAFORM
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55 | {
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56 | /** Invalid data form. */
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57 | TRACKDATAFORM_INVALID = 0,
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58 | /** 2352 bytes of data. */
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59 | TRACKDATAFORM_CDDA,
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60 | /** CDDA data is pause. */
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61 | TRACKDATAFORM_CDDA_PAUSE,
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62 | /** Mode 1 with 2048 bytes sector size. */
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63 | TRACKDATAFORM_MODE1_2048,
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64 | /** Mode 1 with 2352 bytes sector size. */
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65 | TRACKDATAFORM_MODE1_2352,
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66 | /** Mode 1 with 0 bytes sector size (generated by the drive). */
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67 | TRACKDATAFORM_MODE1_0,
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68 | /** XA Mode with 2336 bytes sector size. */
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69 | TRACKDATAFORM_XA_2336,
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70 | /** XA Mode with 2352 bytes sector size. */
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71 | TRACKDATAFORM_XA_2352,
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72 | /** XA Mode with 0 bytes sector size (generated by the drive). */
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73 | TRACKDATAFORM_XA_0,
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74 | /** Mode 2 with 2336 bytes sector size. */
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75 | TRACKDATAFORM_MODE2_2336,
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76 | /** Mode 2 with 2352 bytes sector size. */
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77 | TRACKDATAFORM_MODE2_2352,
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78 | /** Mode 2 with 0 bytes sector size (generated by the drive). */
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79 | TRACKDATAFORM_MODE2_0
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80 | } TRACKDATAFORM;
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81 |
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82 | /**
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83 | * Subchannel data form.
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84 | */
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85 | typedef enum SUBCHNDATAFORM
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86 | {
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87 | /** Invalid subchannel data form. */
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88 | SUBCHNDATAFORM_INVALID = 0,
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89 | /** 0 bytes for the subchannel (generated by the drive). */
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90 | SUBCHNDATAFORM_0,
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91 | /** 96 bytes of data for the subchannel. */
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92 | SUBCHNDATAFORM_96
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93 | } SUBCHNDATAFORM;
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94 |
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95 | /**
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96 | * Track entry.
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97 | */
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98 | typedef struct TRACK
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99 | {
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100 | /** Start LBA of the track. */
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101 | int64_t iLbaStart;
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102 | /** Number of sectors in the track. */
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103 | uint32_t cSectors;
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104 | /** Data form of main data. */
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105 | TRACKDATAFORM enmMainDataForm;
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106 | /** Data form of sub channel. */
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107 | SUBCHNDATAFORM enmSubChnDataForm;
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108 | /** Flags for the track. */
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109 | uint32_t fFlags;
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110 | } TRACK, *PTRACK;
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111 |
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112 | /**
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113 | * Media track list.
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114 | */
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115 | typedef struct TRACKLIST
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116 | {
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117 | /** Number of detected tracks of the current medium. */
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118 | unsigned cTracksCurrent;
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119 | /** Maximum number of tracks the list can contain. */
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120 | unsigned cTracksMax;
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121 | /** Variable list of tracks. */
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122 | PTRACK paTracks;
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123 | } TRACKLIST, *PTRACKLIST;
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124 |
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125 |
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126 | /**
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127 | * Reallocate the given track list to be able to hold the given number of tracks.
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128 | *
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129 | * @returns VBox status code.
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130 | * @param pTrackList The track list to reallocate.
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131 | * @param cTracks Number of tracks the list must be able to hold.
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132 | * @param fFlags Flags for the reallocation.
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133 | */
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134 | static int atapiTrackListReallocate(PTRACKLIST pTrackList, unsigned cTracks, uint32_t fFlags)
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135 | {
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136 | int rc = VINF_SUCCESS;
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137 |
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138 | if (!(fFlags & ATAPI_TRACK_LIST_REALLOCATE_FLAGS_DONT_CLEAR))
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139 | ATAPIPassthroughTrackListClear(pTrackList);
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140 |
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141 | if (pTrackList->cTracksMax < cTracks)
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142 | {
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143 | PTRACK paTracksNew = (PTRACK)RTMemRealloc(pTrackList->paTracks, cTracks * sizeof(TRACK));
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144 | if (paTracksNew)
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145 | {
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146 | pTrackList->paTracks = paTracksNew;
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147 |
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148 | /* Mark new tracks as undetected. */
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149 | for (unsigned i = pTrackList->cTracksMax; i < cTracks; i++)
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150 | pTrackList->paTracks[i].fFlags |= TRACK_FLAGS_UNDETECTED;
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151 |
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152 | pTrackList->cTracksMax = cTracks;
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153 | }
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154 | else
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155 | rc = VERR_NO_MEMORY;
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156 | }
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157 |
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158 | if (RT_SUCCESS(rc))
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159 | pTrackList->cTracksCurrent = cTracks;
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160 |
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161 | return rc;
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162 | }
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163 |
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164 | /**
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165 | * Initilizes the given track from the given CUE sheet entry.
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166 | *
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167 | * @param pTrack The track to initialize.
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168 | * @param pbCueSheetEntry CUE sheet entry to use.
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169 | */
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170 | static void atapiTrackListEntryCreateFromCueSheetEntry(PTRACK pTrack, const uint8_t *pbCueSheetEntry)
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171 | {
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172 | TRACKDATAFORM enmTrackDataForm = TRACKDATAFORM_INVALID;
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173 | SUBCHNDATAFORM enmSubChnDataForm = SUBCHNDATAFORM_INVALID;
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174 |
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175 | /* Determine size of main data based on the data form field. */
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176 | switch (pbCueSheetEntry[3] & 0x3f)
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177 | {
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178 | case 0x00: /* CD-DA with data. */
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179 | enmTrackDataForm = TRACKDATAFORM_CDDA;
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180 | break;
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181 | case 0x01: /* CD-DA without data (used for pauses between tracks). */
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182 | enmTrackDataForm = TRACKDATAFORM_CDDA_PAUSE;
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183 | break;
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184 | case 0x10: /* CD-ROM mode 1 */
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185 | case 0x12:
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186 | enmTrackDataForm = TRACKDATAFORM_MODE1_2048;
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187 | break;
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188 | case 0x11:
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189 | case 0x13:
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190 | enmTrackDataForm = TRACKDATAFORM_MODE1_2352;
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191 | break;
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192 | case 0x14:
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193 | enmTrackDataForm = TRACKDATAFORM_MODE1_0;
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194 | break;
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195 | case 0x20: /* CD-ROM XA, CD-I */
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196 | case 0x22:
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197 | enmTrackDataForm = TRACKDATAFORM_XA_2336;
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198 | break;
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199 | case 0x21:
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200 | case 0x23:
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201 | enmTrackDataForm = TRACKDATAFORM_XA_2352;
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202 | break;
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203 | case 0x24:
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204 | enmTrackDataForm = TRACKDATAFORM_XA_0;
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205 | break;
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206 | case 0x31: /* CD-ROM Mode 2 */
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207 | case 0x33:
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208 | enmTrackDataForm = TRACKDATAFORM_MODE2_2352;
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209 | break;
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210 | case 0x30:
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211 | case 0x32:
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212 | enmTrackDataForm = TRACKDATAFORM_MODE2_2336;
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213 | break;
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214 | case 0x34:
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215 | enmTrackDataForm = TRACKDATAFORM_MODE2_0;
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216 | break;
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217 | default: /* Reserved, invalid mode. Log and leave default sector size. */
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218 | LogRel(("ATA: Invalid data form mode %d for current CUE sheet\n",
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219 | pbCueSheetEntry[3] & 0x3f));
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220 | }
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221 |
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222 | /* Determine size of sub channel data based on data form field. */
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223 | switch ((pbCueSheetEntry[3] & 0xc0) >> 6)
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224 | {
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225 | case 0x00: /* Sub channel all zeroes, autogenerated by the drive. */
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226 | enmSubChnDataForm = SUBCHNDATAFORM_0;
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227 | break;
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228 | case 0x01:
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229 | case 0x03:
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230 | enmSubChnDataForm = SUBCHNDATAFORM_96;
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231 | break;
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232 | default:
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233 | LogRel(("ATA: Invalid sub-channel data form mode %u for current CUE sheet\n",
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234 | pbCueSheetEntry[3] & 0xc0));
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235 | }
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236 |
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237 | pTrack->enmMainDataForm = enmTrackDataForm;
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238 | pTrack->enmSubChnDataForm = enmSubChnDataForm;
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239 | pTrack->iLbaStart = scsiMSF2LBA(&pbCueSheetEntry[5]);
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240 | if (pbCueSheetEntry[1] != 0xaa)
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241 | {
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242 | /* Calculate number of sectors from the next entry. */
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243 | int64_t iLbaNext = scsiMSF2LBA(&pbCueSheetEntry[5+8]);
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244 | pTrack->cSectors = iLbaNext - pTrack->iLbaStart;
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245 | }
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246 | else
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247 | {
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248 | pTrack->fFlags |= TRACK_FLAGS_LEAD_OUT;
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249 | pTrack->cSectors = 0;
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250 | }
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251 | pTrack->fFlags &= ~TRACK_FLAGS_UNDETECTED;
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252 | }
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253 |
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254 | /**
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255 | * Update the track list from a SEND CUE SHEET request.
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256 | *
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257 | * @returns VBox status code.
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258 | * @param pTrackList Track list to update.
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259 | * @param pbCDB CDB of the SEND CUE SHEET request.
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260 | * @param pvBuf The CUE sheet.
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261 | * @param cbBuf The buffer size (max).
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262 | */
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263 | static int atapiTrackListUpdateFromSendCueSheet(PTRACKLIST pTrackList, const uint8_t *pbCDB, const void *pvBuf, size_t cbBuf)
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264 | {
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265 | int rc;
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266 | unsigned cbCueSheet = scsiBE2H_U24(pbCDB + 6);
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267 | unsigned cTracks = cbCueSheet / 8;
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268 |
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269 | AssertReturn(cbCueSheet % 8 == 0 && cTracks, VERR_INVALID_PARAMETER);
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270 |
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271 | rc = atapiTrackListReallocate(pTrackList, cTracks, 0);
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272 | if (RT_SUCCESS(rc))
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273 | {
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274 | const uint8_t *pbCueSheet = (uint8_t *)pvBuf;
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275 | PTRACK pTrack = pTrackList->paTracks;
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276 | AssertLogRelReturn(cTracks <= cbBuf, VERR_BUFFER_OVERFLOW);
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277 |
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278 | for (unsigned i = 0; i < cTracks; i++)
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279 | {
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280 | atapiTrackListEntryCreateFromCueSheetEntry(pTrack, pbCueSheet);
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281 | if (i == 0)
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282 | pTrack->fFlags |= TRACK_FLAGS_LEAD_IN;
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283 | pTrack++;
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284 | pbCueSheet += 8;
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285 | }
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286 | }
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287 |
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288 | return rc;
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289 | }
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290 |
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291 | static int atapiTrackListUpdateFromSendDvdStructure(PTRACKLIST pTrackList, const uint8_t *pbCDB, const void *pvBuf, size_t cbBuf)
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292 | {
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293 | RT_NOREF(pTrackList, pbCDB, pvBuf, cbBuf);
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294 | return VERR_NOT_IMPLEMENTED;
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295 | }
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296 |
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297 | /**
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298 | * Update track list from formatted TOC data.
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299 | *
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300 | * @returns VBox status code.
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301 | * @param pTrackList The track list to update.
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302 | * @param iTrack The first track the TOC has data for.
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303 | * @param fMSF Flag whether block addresses are in MSF or LBA format.
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304 | * @param pbBuf Buffer holding the formatted TOC.
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305 | * @param cbBuffer Size of the buffer.
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306 | */
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307 | static int atapiTrackListUpdateFromFormattedToc(PTRACKLIST pTrackList, uint8_t iTrack,
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308 | bool fMSF, const uint8_t *pbBuf, uint32_t cbBuffer)
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309 | {
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310 | RT_NOREF(iTrack, cbBuffer); /** @todo unused parameters */
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311 | int rc;
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312 | unsigned cbToc = scsiBE2H_U16(pbBuf);
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313 | uint8_t iTrackFirst = pbBuf[2];
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314 | unsigned cTracks;
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315 |
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316 | cbToc -= 2;
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317 | pbBuf += 4;
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318 | AssertReturn(cbToc % 8 == 0, VERR_INVALID_PARAMETER);
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319 |
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320 | cTracks = cbToc / 8 + iTrackFirst;
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321 |
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322 | rc = atapiTrackListReallocate(pTrackList, iTrackFirst + cTracks, ATAPI_TRACK_LIST_REALLOCATE_FLAGS_DONT_CLEAR);
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323 | if (RT_SUCCESS(rc))
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324 | {
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325 | PTRACK pTrack = &pTrackList->paTracks[iTrackFirst];
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326 |
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327 | for (unsigned i = iTrackFirst; i < cTracks; i++)
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328 | {
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329 | if (pbBuf[1] & 0x4)
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330 | pTrack->enmMainDataForm = TRACKDATAFORM_MODE1_2048;
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331 | else
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332 | pTrack->enmMainDataForm = TRACKDATAFORM_CDDA;
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333 |
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334 | pTrack->enmSubChnDataForm = SUBCHNDATAFORM_0;
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335 | if (fMSF)
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336 | pTrack->iLbaStart = scsiMSF2LBA(&pbBuf[4]);
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337 | else
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338 | pTrack->iLbaStart = scsiBE2H_U32(&pbBuf[4]);
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339 |
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340 | if (pbBuf[2] != 0xaa)
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341 | {
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342 | /* Calculate number of sectors from the next entry. */
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343 | int64_t iLbaNext;
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344 |
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345 | if (fMSF)
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346 | iLbaNext = scsiMSF2LBA(&pbBuf[4+8]);
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347 | else
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348 | iLbaNext = scsiBE2H_U32(&pbBuf[4+8]);
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349 |
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350 | pTrack->cSectors = iLbaNext - pTrack->iLbaStart;
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351 | }
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352 | else
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353 | pTrack->cSectors = 0;
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354 |
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355 | pTrack->fFlags &= ~TRACK_FLAGS_UNDETECTED;
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356 | pbBuf += 8;
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357 | pTrack++;
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358 | }
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359 | }
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360 |
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361 | return rc;
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362 | }
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363 |
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364 | static int atapiTrackListUpdateFromReadTocPmaAtip(PTRACKLIST pTrackList, const uint8_t *pbCDB, const void *pvBuf, size_t cbBuf)
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365 | {
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366 | int rc;
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367 | uint16_t cbBuffer = (uint16_t)RT_MIN(scsiBE2H_U16(&pbCDB[7]), cbBuf);
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368 | bool fMSF = (pbCDB[1] & 0x2) != 0;
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369 | uint8_t uFmt = pbCDB[2] & 0xf;
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370 | uint8_t iTrack = pbCDB[6];
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371 |
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372 | switch (uFmt)
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373 | {
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374 | case 0x00:
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375 | rc = atapiTrackListUpdateFromFormattedToc(pTrackList, iTrack, fMSF, (uint8_t *)pvBuf, cbBuffer);
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376 | break;
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377 | case 0x01:
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378 | case 0x02:
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379 | case 0x03:
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380 | case 0x04:
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381 | rc = VERR_NOT_IMPLEMENTED;
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382 | break;
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383 | case 0x05:
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384 | rc = VINF_SUCCESS; /* Does not give information about the tracklist. */
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385 | break;
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386 | default:
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387 | rc = VERR_INVALID_PARAMETER;
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388 | }
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389 |
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390 | return rc;
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391 | }
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392 |
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393 | static int atapiTrackListUpdateFromReadTrackInformation(PTRACKLIST pTrackList, const uint8_t *pbCDB,
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394 | const void *pvBuf, size_t cbBuf)
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395 | {
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396 | RT_NOREF(pTrackList, pbCDB, pvBuf, cbBuf);
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397 | return VERR_NOT_IMPLEMENTED;
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398 | }
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399 |
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400 | static int atapiTrackListUpdateFromReadDvdStructure(PTRACKLIST pTrackList, const uint8_t *pbCDB,
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401 | const void *pvBuf, size_t cbBuf)
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402 | {
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403 | RT_NOREF(pTrackList, pbCDB, pvBuf, cbBuf);
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404 | return VERR_NOT_IMPLEMENTED;
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405 | }
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406 |
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407 | static int atapiTrackListUpdateFromReadDiscInformation(PTRACKLIST pTrackList, const uint8_t *pbCDB,
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408 | const void *pvBuf, size_t cbBuf)
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409 | {
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410 | RT_NOREF(pTrackList, pbCDB, pvBuf, cbBuf);
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411 | return VERR_NOT_IMPLEMENTED;
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412 | }
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413 |
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414 | #ifdef LOG_ENABLED
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415 |
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416 | /**
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417 | * Converts the given track data form to a string.
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418 | *
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419 | * @returns Track data form as a string.
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420 | * @param enmTrackDataForm The track main data form.
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421 | */
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422 | static const char *atapiTrackListMainDataFormToString(TRACKDATAFORM enmTrackDataForm)
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423 | {
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424 | switch (enmTrackDataForm)
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425 | {
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426 | case TRACKDATAFORM_CDDA:
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427 | return "CD-DA";
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428 | case TRACKDATAFORM_CDDA_PAUSE:
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429 | return "CD-DA Pause";
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430 | case TRACKDATAFORM_MODE1_2048:
|
---|
431 | return "Mode 1 (2048 bytes)";
|
---|
432 | case TRACKDATAFORM_MODE1_2352:
|
---|
433 | return "Mode 1 (2352 bytes)";
|
---|
434 | case TRACKDATAFORM_MODE1_0:
|
---|
435 | return "Mode 1 (0 bytes)";
|
---|
436 | case TRACKDATAFORM_XA_2336:
|
---|
437 | return "XA (2336 bytes)";
|
---|
438 | case TRACKDATAFORM_XA_2352:
|
---|
439 | return "XA (2352 bytes)";
|
---|
440 | case TRACKDATAFORM_XA_0:
|
---|
441 | return "XA (0 bytes)";
|
---|
442 | case TRACKDATAFORM_MODE2_2336:
|
---|
443 | return "Mode 2 (2336 bytes)";
|
---|
444 | case TRACKDATAFORM_MODE2_2352:
|
---|
445 | return "Mode 2 (2352 bytes)";
|
---|
446 | case TRACKDATAFORM_MODE2_0:
|
---|
447 | return "Mode 2 (0 bytes)";
|
---|
448 | case TRACKDATAFORM_INVALID:
|
---|
449 | default:
|
---|
450 | return "Invalid";
|
---|
451 | }
|
---|
452 | }
|
---|
453 |
|
---|
454 | /**
|
---|
455 | * Converts the given subchannel data form to a string.
|
---|
456 | *
|
---|
457 | * @returns Subchannel data form as a string.
|
---|
458 | * @param enmSubChnDataForm The subchannel main data form.
|
---|
459 | */
|
---|
460 | static const char *atapiTrackListSubChnDataFormToString(SUBCHNDATAFORM enmSubChnDataForm)
|
---|
461 | {
|
---|
462 | switch (enmSubChnDataForm)
|
---|
463 | {
|
---|
464 | case SUBCHNDATAFORM_0:
|
---|
465 | return "0";
|
---|
466 | case SUBCHNDATAFORM_96:
|
---|
467 | return "96";
|
---|
468 | case SUBCHNDATAFORM_INVALID:
|
---|
469 | default:
|
---|
470 | return "Invalid";
|
---|
471 | }
|
---|
472 | }
|
---|
473 |
|
---|
474 | /**
|
---|
475 | * Dump the complete track list to the release log.
|
---|
476 | *
|
---|
477 | * @param pTrackList The track list to dump.
|
---|
478 | */
|
---|
479 | static void atapiTrackListDump(PTRACKLIST pTrackList)
|
---|
480 | {
|
---|
481 | LogRel(("Track List: cTracks=%u\n", pTrackList->cTracksCurrent));
|
---|
482 | for (unsigned i = 0; i < pTrackList->cTracksCurrent; i++)
|
---|
483 | {
|
---|
484 | PTRACK pTrack = &pTrackList->paTracks[i];
|
---|
485 |
|
---|
486 | LogRel((" Track %u: LBAStart=%lld cSectors=%u enmMainDataForm=%s enmSubChnDataForm=%s fFlags=[%s%s%s]\n",
|
---|
487 | i, pTrack->iLbaStart, pTrack->cSectors, atapiTrackListMainDataFormToString(pTrack->enmMainDataForm),
|
---|
488 | atapiTrackListSubChnDataFormToString(pTrack->enmSubChnDataForm),
|
---|
489 | pTrack->fFlags & TRACK_FLAGS_UNDETECTED ? "UNDETECTED " : "",
|
---|
490 | pTrack->fFlags & TRACK_FLAGS_LEAD_IN ? "Lead-In " : "",
|
---|
491 | pTrack->fFlags & TRACK_FLAGS_LEAD_OUT ? "Lead-Out" : ""));
|
---|
492 | }
|
---|
493 | }
|
---|
494 |
|
---|
495 | #endif /* LOG_ENABLED */
|
---|
496 |
|
---|
497 | /**
|
---|
498 | * Creates an empty track list handle.
|
---|
499 | *
|
---|
500 | * @returns VBox status code.
|
---|
501 | * @param ppTrackList Where to store the track list handle on success.
|
---|
502 | */
|
---|
503 | DECLHIDDEN(int) ATAPIPassthroughTrackListCreateEmpty(PTRACKLIST *ppTrackList)
|
---|
504 | {
|
---|
505 | PTRACKLIST pTrackList = (PTRACKLIST)RTMemAllocZ(sizeof(TRACKLIST));
|
---|
506 | if (pTrackList)
|
---|
507 | {
|
---|
508 | *ppTrackList = pTrackList;
|
---|
509 | return VINF_SUCCESS;
|
---|
510 | }
|
---|
511 | return VERR_NO_MEMORY;
|
---|
512 | }
|
---|
513 |
|
---|
514 | /**
|
---|
515 | * Destroys the allocated task list handle.
|
---|
516 | *
|
---|
517 | * @param pTrackList The track list handle to destroy.
|
---|
518 | */
|
---|
519 | DECLHIDDEN(void) ATAPIPassthroughTrackListDestroy(PTRACKLIST pTrackList)
|
---|
520 | {
|
---|
521 | if (pTrackList->paTracks)
|
---|
522 | RTMemFree(pTrackList->paTracks);
|
---|
523 | RTMemFree(pTrackList);
|
---|
524 | }
|
---|
525 |
|
---|
526 | /**
|
---|
527 | * Clears all tracks from the given task list.
|
---|
528 | *
|
---|
529 | * @param pTrackList The track list to clear.
|
---|
530 | */
|
---|
531 | DECLHIDDEN(void) ATAPIPassthroughTrackListClear(PTRACKLIST pTrackList)
|
---|
532 | {
|
---|
533 | AssertPtrReturnVoid(pTrackList);
|
---|
534 |
|
---|
535 | pTrackList->cTracksCurrent = 0;
|
---|
536 |
|
---|
537 | /* Mark all tracks as undetected. */
|
---|
538 | for (unsigned i = 0; i < pTrackList->cTracksMax; i++)
|
---|
539 | pTrackList->paTracks[i].fFlags |= TRACK_FLAGS_UNDETECTED;
|
---|
540 | }
|
---|
541 |
|
---|
542 | /**
|
---|
543 | * Updates the track list from the given CDB and data buffer.
|
---|
544 | *
|
---|
545 | * @returns VBox status code.
|
---|
546 | * @param pTrackList The track list to update.
|
---|
547 | * @param pbCDB The CDB buffer.
|
---|
548 | * @param pvBuf The data buffer.
|
---|
549 | * @param cbBuf The buffer isze.
|
---|
550 | */
|
---|
551 | DECLHIDDEN(int) ATAPIPassthroughTrackListUpdate(PTRACKLIST pTrackList, const uint8_t *pbCDB, const void *pvBuf, size_t cbBuf)
|
---|
552 | {
|
---|
553 | int rc;
|
---|
554 |
|
---|
555 | switch (pbCDB[0])
|
---|
556 | {
|
---|
557 | case SCSI_SEND_CUE_SHEET:
|
---|
558 | rc = atapiTrackListUpdateFromSendCueSheet(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
559 | break;
|
---|
560 | case SCSI_SEND_DVD_STRUCTURE:
|
---|
561 | rc = atapiTrackListUpdateFromSendDvdStructure(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
562 | break;
|
---|
563 | case SCSI_READ_TOC_PMA_ATIP:
|
---|
564 | rc = atapiTrackListUpdateFromReadTocPmaAtip(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
565 | break;
|
---|
566 | case SCSI_READ_TRACK_INFORMATION:
|
---|
567 | rc = atapiTrackListUpdateFromReadTrackInformation(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
568 | break;
|
---|
569 | case SCSI_READ_DVD_STRUCTURE:
|
---|
570 | rc = atapiTrackListUpdateFromReadDvdStructure(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
571 | break;
|
---|
572 | case SCSI_READ_DISC_INFORMATION:
|
---|
573 | rc = atapiTrackListUpdateFromReadDiscInformation(pTrackList, pbCDB, pvBuf, cbBuf);
|
---|
574 | break;
|
---|
575 | default:
|
---|
576 | LogRel(("ATAPI: Invalid opcode %#x while determining media layout\n", pbCDB[0]));
|
---|
577 | rc = VERR_INVALID_PARAMETER;
|
---|
578 | }
|
---|
579 |
|
---|
580 | #ifdef LOG_ENABLED
|
---|
581 | atapiTrackListDump(pTrackList);
|
---|
582 | #endif
|
---|
583 |
|
---|
584 | return rc;
|
---|
585 | }
|
---|
586 |
|
---|
587 | /**
|
---|
588 | * Return the sector size from the track matching the LBA in the given track list.
|
---|
589 | *
|
---|
590 | * @returns Sector size.
|
---|
591 | * @param pTrackList The track list to use.
|
---|
592 | * @param iAtapiLba The start LBA to get the sector size for.
|
---|
593 | */
|
---|
594 | DECLHIDDEN(uint32_t) ATAPIPassthroughTrackListGetSectorSizeFromLba(PTRACKLIST pTrackList, uint32_t iAtapiLba)
|
---|
595 | {
|
---|
596 | PTRACK pTrack = NULL;
|
---|
597 | uint32_t cbAtapiSector = 2048;
|
---|
598 |
|
---|
599 | if (pTrackList->cTracksCurrent)
|
---|
600 | {
|
---|
601 | if ( iAtapiLba > UINT32_C(0xffff4fa1)
|
---|
602 | && (int32_t)iAtapiLba < -150)
|
---|
603 | {
|
---|
604 | /* Lead-In area, this is always the first entry in the cue sheet. */
|
---|
605 | pTrack = pTrackList->paTracks;
|
---|
606 | Assert(pTrack->fFlags & TRACK_FLAGS_LEAD_IN);
|
---|
607 | LogFlowFunc(("Selected Lead-In area\n"));
|
---|
608 | }
|
---|
609 | else
|
---|
610 | {
|
---|
611 | int64_t iAtapiLba64 = (int32_t)iAtapiLba;
|
---|
612 | pTrack = &pTrackList->paTracks[1];
|
---|
613 |
|
---|
614 | /* Go through the track list and find the correct entry. */
|
---|
615 | for (unsigned i = 1; i < pTrackList->cTracksCurrent - 1; i++)
|
---|
616 | {
|
---|
617 | if (pTrack->fFlags & TRACK_FLAGS_UNDETECTED)
|
---|
618 | continue;
|
---|
619 |
|
---|
620 | if ( pTrack->iLbaStart <= iAtapiLba64
|
---|
621 | && iAtapiLba64 < pTrack->iLbaStart + pTrack->cSectors)
|
---|
622 | break;
|
---|
623 |
|
---|
624 | pTrack++;
|
---|
625 | }
|
---|
626 | }
|
---|
627 |
|
---|
628 | if (pTrack)
|
---|
629 | {
|
---|
630 | switch (pTrack->enmMainDataForm)
|
---|
631 | {
|
---|
632 | case TRACKDATAFORM_CDDA:
|
---|
633 | case TRACKDATAFORM_MODE1_2352:
|
---|
634 | case TRACKDATAFORM_XA_2352:
|
---|
635 | case TRACKDATAFORM_MODE2_2352:
|
---|
636 | cbAtapiSector = 2352;
|
---|
637 | break;
|
---|
638 | case TRACKDATAFORM_MODE1_2048:
|
---|
639 | cbAtapiSector = 2048;
|
---|
640 | break;
|
---|
641 | case TRACKDATAFORM_CDDA_PAUSE:
|
---|
642 | case TRACKDATAFORM_MODE1_0:
|
---|
643 | case TRACKDATAFORM_XA_0:
|
---|
644 | case TRACKDATAFORM_MODE2_0:
|
---|
645 | cbAtapiSector = 0;
|
---|
646 | break;
|
---|
647 | case TRACKDATAFORM_XA_2336:
|
---|
648 | case TRACKDATAFORM_MODE2_2336:
|
---|
649 | cbAtapiSector = 2336;
|
---|
650 | break;
|
---|
651 | case TRACKDATAFORM_INVALID:
|
---|
652 | default:
|
---|
653 | AssertMsgFailed(("Invalid track data form %d\n", pTrack->enmMainDataForm));
|
---|
654 | }
|
---|
655 |
|
---|
656 | switch (pTrack->enmSubChnDataForm)
|
---|
657 | {
|
---|
658 | case SUBCHNDATAFORM_0:
|
---|
659 | break;
|
---|
660 | case SUBCHNDATAFORM_96:
|
---|
661 | cbAtapiSector += 96;
|
---|
662 | break;
|
---|
663 | case SUBCHNDATAFORM_INVALID:
|
---|
664 | default:
|
---|
665 | AssertMsgFailed(("Invalid subchannel data form %d\n", pTrack->enmSubChnDataForm));
|
---|
666 | }
|
---|
667 | }
|
---|
668 | }
|
---|
669 |
|
---|
670 | return cbAtapiSector;
|
---|
671 | }
|
---|
672 |
|
---|
673 |
|
---|
674 | static uint8_t atapiPassthroughCmdErrorSimple(uint8_t *pbSense, size_t cbSense, uint8_t uATAPISenseKey, uint8_t uATAPIASC)
|
---|
675 | {
|
---|
676 | memset(pbSense, '\0', cbSense);
|
---|
677 | if (RT_LIKELY(cbSense >= 13))
|
---|
678 | {
|
---|
679 | pbSense[0] = 0x70 | (1 << 7);
|
---|
680 | pbSense[2] = uATAPISenseKey & 0x0f;
|
---|
681 | pbSense[7] = 10;
|
---|
682 | pbSense[12] = uATAPIASC;
|
---|
683 | }
|
---|
684 | return SCSI_STATUS_CHECK_CONDITION;
|
---|
685 | }
|
---|
686 |
|
---|
687 |
|
---|
688 | /**
|
---|
689 | * Parses the given CDB and returns whether it is safe to pass it through to the host drive.
|
---|
690 | *
|
---|
691 | * @returns Flag whether passing the CDB through to the host drive is safe.
|
---|
692 | * @param pbCdb The CDB to parse.
|
---|
693 | * @param cbCdb Size of the CDB in bytes.
|
---|
694 | * @param cbBuf Size of the guest buffer.
|
---|
695 | * @param pTrackList The track list for the current medium if available (optional).
|
---|
696 | * @param pbSense Pointer to the sense buffer.
|
---|
697 | * @param cbSense Size of the sense buffer.
|
---|
698 | * @param penmTxDir Where to store the transfer direction (guest to host or vice versa).
|
---|
699 | * @param pcbXfer Where to store the transfer size encoded in the CDB.
|
---|
700 | * @param pcbSector Where to store the sector size used for the transfer.
|
---|
701 | * @param pu8ScsiSts Where to store the SCSI status code.
|
---|
702 | */
|
---|
703 | DECLHIDDEN(bool) ATAPIPassthroughParseCdb(const uint8_t *pbCdb, size_t cbCdb, size_t cbBuf,
|
---|
704 | PTRACKLIST pTrackList, uint8_t *pbSense, size_t cbSense,
|
---|
705 | PDMMEDIATXDIR *penmTxDir, size_t *pcbXfer,
|
---|
706 | size_t *pcbSector, uint8_t *pu8ScsiSts)
|
---|
707 | {
|
---|
708 | uint32_t uLba = 0;
|
---|
709 | uint32_t cSectors = 0;
|
---|
710 | size_t cbSector = 0;
|
---|
711 | size_t cbXfer = 0;
|
---|
712 | bool fPassthrough = false;
|
---|
713 | PDMMEDIATXDIR enmTxDir = PDMMEDIATXDIR_NONE;
|
---|
714 |
|
---|
715 | RT_NOREF(cbCdb);
|
---|
716 |
|
---|
717 | switch (pbCdb[0])
|
---|
718 | {
|
---|
719 | /* First the commands we can pass through without further processing. */
|
---|
720 | case SCSI_BLANK:
|
---|
721 | case SCSI_CLOSE_TRACK_SESSION:
|
---|
722 | case SCSI_LOAD_UNLOAD_MEDIUM:
|
---|
723 | case SCSI_PAUSE_RESUME:
|
---|
724 | case SCSI_PLAY_AUDIO_10:
|
---|
725 | case SCSI_PLAY_AUDIO_12:
|
---|
726 | case SCSI_PLAY_AUDIO_MSF:
|
---|
727 | case SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
---|
728 | case SCSI_REPAIR_TRACK:
|
---|
729 | case SCSI_RESERVE_TRACK:
|
---|
730 | case SCSI_SCAN:
|
---|
731 | case SCSI_SEEK_10:
|
---|
732 | case SCSI_SET_CD_SPEED:
|
---|
733 | case SCSI_SET_READ_AHEAD:
|
---|
734 | case SCSI_START_STOP_UNIT:
|
---|
735 | case SCSI_STOP_PLAY_SCAN:
|
---|
736 | case SCSI_SYNCHRONIZE_CACHE:
|
---|
737 | case SCSI_TEST_UNIT_READY:
|
---|
738 | case SCSI_VERIFY_10:
|
---|
739 | fPassthrough = true;
|
---|
740 | break;
|
---|
741 | case SCSI_ERASE_10:
|
---|
742 | uLba = scsiBE2H_U32(pbCdb + 2);
|
---|
743 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
744 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
745 | fPassthrough = true;
|
---|
746 | break;
|
---|
747 | case SCSI_FORMAT_UNIT:
|
---|
748 | cbXfer = cbBuf;
|
---|
749 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
750 | fPassthrough = true;
|
---|
751 | break;
|
---|
752 | case SCSI_GET_CONFIGURATION:
|
---|
753 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
754 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
755 | fPassthrough = true;
|
---|
756 | break;
|
---|
757 | case SCSI_GET_EVENT_STATUS_NOTIFICATION:
|
---|
758 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
759 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
760 | fPassthrough = true;
|
---|
761 | break;
|
---|
762 | case SCSI_GET_PERFORMANCE:
|
---|
763 | cbXfer = cbBuf;
|
---|
764 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
765 | fPassthrough = true;
|
---|
766 | break;
|
---|
767 | case SCSI_INQUIRY:
|
---|
768 | cbXfer = scsiBE2H_U16(pbCdb + 3);
|
---|
769 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
770 | fPassthrough = true;
|
---|
771 | break;
|
---|
772 | case SCSI_MECHANISM_STATUS:
|
---|
773 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
774 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
775 | fPassthrough = true;
|
---|
776 | break;
|
---|
777 | case SCSI_MODE_SELECT_10:
|
---|
778 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
779 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
780 | fPassthrough = true;
|
---|
781 | break;
|
---|
782 | case SCSI_MODE_SENSE_10:
|
---|
783 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
784 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
785 | fPassthrough = true;
|
---|
786 | break;
|
---|
787 | case SCSI_READ_10:
|
---|
788 | uLba = scsiBE2H_U32(pbCdb + 2);
|
---|
789 | cSectors = scsiBE2H_U16(pbCdb + 7);
|
---|
790 | cbSector = 2048;
|
---|
791 | cbXfer = cSectors * cbSector;
|
---|
792 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
793 | fPassthrough = true;
|
---|
794 | break;
|
---|
795 | case SCSI_READ_12:
|
---|
796 | uLba = scsiBE2H_U32(pbCdb + 2);
|
---|
797 | cSectors = scsiBE2H_U32(pbCdb + 6);
|
---|
798 | cbSector = 2048;
|
---|
799 | cbXfer = cSectors * cbSector;
|
---|
800 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
801 | fPassthrough = true;
|
---|
802 | break;
|
---|
803 | case SCSI_READ_BUFFER:
|
---|
804 | cbXfer = scsiBE2H_U24(pbCdb + 6);
|
---|
805 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
806 | fPassthrough = true;
|
---|
807 | break;
|
---|
808 | case SCSI_READ_BUFFER_CAPACITY:
|
---|
809 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
810 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
811 | fPassthrough = true;
|
---|
812 | break;
|
---|
813 | case SCSI_READ_CAPACITY:
|
---|
814 | cbXfer = 8;
|
---|
815 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
816 | fPassthrough = true;
|
---|
817 | break;
|
---|
818 | case SCSI_READ_CD:
|
---|
819 | case SCSI_READ_CD_MSF:
|
---|
820 | {
|
---|
821 | /* Get sector size based on the expected sector type field. */
|
---|
822 | switch ((pbCdb[1] >> 2) & 0x7)
|
---|
823 | {
|
---|
824 | case 0x0: /* All types. */
|
---|
825 | {
|
---|
826 | uint32_t iLbaStart;
|
---|
827 |
|
---|
828 | if (pbCdb[0] == SCSI_READ_CD)
|
---|
829 | iLbaStart = scsiBE2H_U32(&pbCdb[2]);
|
---|
830 | else
|
---|
831 | iLbaStart = scsiMSF2LBA(&pbCdb[3]);
|
---|
832 |
|
---|
833 | if (pTrackList)
|
---|
834 | cbSector = ATAPIPassthroughTrackListGetSectorSizeFromLba(pTrackList, iLbaStart);
|
---|
835 | else
|
---|
836 | cbSector = 2048; /* Might be incorrect if we couldn't determine the type. */
|
---|
837 | break;
|
---|
838 | }
|
---|
839 | case 0x1: /* CD-DA */
|
---|
840 | cbSector = 2352;
|
---|
841 | break;
|
---|
842 | case 0x2: /* Mode 1 */
|
---|
843 | cbSector = 2048;
|
---|
844 | break;
|
---|
845 | case 0x3: /* Mode 2 formless */
|
---|
846 | cbSector = 2336;
|
---|
847 | break;
|
---|
848 | case 0x4: /* Mode 2 form 1 */
|
---|
849 | cbSector = 2048;
|
---|
850 | break;
|
---|
851 | case 0x5: /* Mode 2 form 2 */
|
---|
852 | cbSector = 2324;
|
---|
853 | break;
|
---|
854 | default: /* Reserved */
|
---|
855 | AssertMsgFailed(("Unknown sector type\n"));
|
---|
856 | cbSector = 0; /** @todo we should probably fail the command here already. */
|
---|
857 | }
|
---|
858 |
|
---|
859 | if (pbCdb[0] == SCSI_READ_CD)
|
---|
860 | cbXfer = scsiBE2H_U24(pbCdb + 6) * cbSector;
|
---|
861 | else /* SCSI_READ_MSF */
|
---|
862 | {
|
---|
863 | cSectors = scsiMSF2LBA(pbCdb + 6) - scsiMSF2LBA(pbCdb + 3);
|
---|
864 | if (cSectors > 32)
|
---|
865 | cSectors = 32; /* Limit transfer size to 64~74K. Safety first. In any case this can only harm software doing CDDA extraction. */
|
---|
866 | cbXfer = cSectors * cbSector;
|
---|
867 | }
|
---|
868 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
869 | fPassthrough = true;
|
---|
870 | break;
|
---|
871 | }
|
---|
872 | case SCSI_READ_DISC_INFORMATION:
|
---|
873 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
874 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
875 | fPassthrough = true;
|
---|
876 | break;
|
---|
877 | case SCSI_READ_DVD_STRUCTURE:
|
---|
878 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
879 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
880 | fPassthrough = true;
|
---|
881 | break;
|
---|
882 | case SCSI_READ_FORMAT_CAPACITIES:
|
---|
883 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
884 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
885 | fPassthrough = true;
|
---|
886 | break;
|
---|
887 | case SCSI_READ_SUBCHANNEL:
|
---|
888 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
889 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
890 | fPassthrough = true;
|
---|
891 | break;
|
---|
892 | case SCSI_READ_TOC_PMA_ATIP:
|
---|
893 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
894 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
895 | fPassthrough = true;
|
---|
896 | break;
|
---|
897 | case SCSI_READ_TRACK_INFORMATION:
|
---|
898 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
899 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
900 | fPassthrough = true;
|
---|
901 | break;
|
---|
902 | case SCSI_REPORT_KEY:
|
---|
903 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
904 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
905 | fPassthrough = true;
|
---|
906 | break;
|
---|
907 | case SCSI_REQUEST_SENSE:
|
---|
908 | cbXfer = pbCdb[4];
|
---|
909 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
910 | fPassthrough = true;
|
---|
911 | break;
|
---|
912 | case SCSI_SEND_CUE_SHEET:
|
---|
913 | cbXfer = scsiBE2H_U24(pbCdb + 6);
|
---|
914 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
915 | fPassthrough = true;
|
---|
916 | break;
|
---|
917 | case SCSI_SEND_DVD_STRUCTURE:
|
---|
918 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
919 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
920 | fPassthrough = true;
|
---|
921 | break;
|
---|
922 | case SCSI_SEND_EVENT:
|
---|
923 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
924 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
925 | fPassthrough = true;
|
---|
926 | break;
|
---|
927 | case SCSI_SEND_KEY:
|
---|
928 | cbXfer = scsiBE2H_U16(pbCdb + 8);
|
---|
929 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
930 | fPassthrough = true;
|
---|
931 | break;
|
---|
932 | case SCSI_SEND_OPC_INFORMATION:
|
---|
933 | cbXfer = scsiBE2H_U16(pbCdb + 7);
|
---|
934 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
935 | fPassthrough = true;
|
---|
936 | break;
|
---|
937 | case SCSI_SET_STREAMING:
|
---|
938 | cbXfer = scsiBE2H_U16(pbCdb + 9);
|
---|
939 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
940 | fPassthrough = true;
|
---|
941 | break;
|
---|
942 | case SCSI_WRITE_10:
|
---|
943 | case SCSI_WRITE_AND_VERIFY_10:
|
---|
944 | uLba = scsiBE2H_U32(pbCdb + 2);
|
---|
945 | cSectors = scsiBE2H_U16(pbCdb + 7);
|
---|
946 | if (pTrackList)
|
---|
947 | cbSector = ATAPIPassthroughTrackListGetSectorSizeFromLba(pTrackList, uLba);
|
---|
948 | else
|
---|
949 | cbSector = 2048;
|
---|
950 | cbXfer = cSectors * cbSector;
|
---|
951 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
952 | fPassthrough = true;
|
---|
953 | break;
|
---|
954 | case SCSI_WRITE_12:
|
---|
955 | uLba = scsiBE2H_U32(pbCdb + 2);
|
---|
956 | cSectors = scsiBE2H_U32(pbCdb + 6);
|
---|
957 | if (pTrackList)
|
---|
958 | cbSector = ATAPIPassthroughTrackListGetSectorSizeFromLba(pTrackList, uLba);
|
---|
959 | else
|
---|
960 | cbSector = 2048;
|
---|
961 | cbXfer = cSectors * cbSector;
|
---|
962 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
963 | fPassthrough = true;
|
---|
964 | break;
|
---|
965 | case SCSI_WRITE_BUFFER:
|
---|
966 | switch (pbCdb[1] & 0x1f)
|
---|
967 | {
|
---|
968 | case 0x04: /* download microcode */
|
---|
969 | case 0x05: /* download microcode and save */
|
---|
970 | case 0x06: /* download microcode with offsets */
|
---|
971 | case 0x07: /* download microcode with offsets and save */
|
---|
972 | case 0x0e: /* download microcode with offsets and defer activation */
|
---|
973 | case 0x0f: /* activate deferred microcode */
|
---|
974 | LogRel(("ATAPI: CD-ROM passthrough command attempted to update firmware, blocked\n"));
|
---|
975 | *pu8ScsiSts = atapiPassthroughCmdErrorSimple(pbSense, cbSense, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_INV_FIELD_IN_CMD_PACKET);
|
---|
976 | break;
|
---|
977 | default:
|
---|
978 | cbXfer = scsiBE2H_U16(pbCdb + 6);
|
---|
979 | enmTxDir = PDMMEDIATXDIR_TO_DEVICE;
|
---|
980 | fPassthrough = true;
|
---|
981 | break;
|
---|
982 | }
|
---|
983 | break;
|
---|
984 | case SCSI_REPORT_LUNS: /* Not part of MMC-3, but used by Windows. */
|
---|
985 | cbXfer = scsiBE2H_U32(pbCdb + 6);
|
---|
986 | enmTxDir = PDMMEDIATXDIR_FROM_DEVICE;
|
---|
987 | fPassthrough = true;
|
---|
988 | break;
|
---|
989 | case SCSI_REZERO_UNIT:
|
---|
990 | /* Obsolete command used by cdrecord. What else would one expect?
|
---|
991 | * This command is not sent to the drive, it is handled internally,
|
---|
992 | * as the Linux kernel doesn't like it (message "scsi: unknown
|
---|
993 | * opcode 0x01" in syslog) and replies with a sense code of 0,
|
---|
994 | * which sends cdrecord to an endless loop. */
|
---|
995 | *pu8ScsiSts = atapiPassthroughCmdErrorSimple(pbSense, cbSense, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
|
---|
996 | break;
|
---|
997 | default:
|
---|
998 | LogRel(("ATAPI: Passthrough unimplemented for command %#x\n", pbCdb[0]));
|
---|
999 | *pu8ScsiSts = atapiPassthroughCmdErrorSimple(pbSense, cbSense, SCSI_SENSE_ILLEGAL_REQUEST, SCSI_ASC_ILLEGAL_OPCODE);
|
---|
1000 | break;
|
---|
1001 | }
|
---|
1002 |
|
---|
1003 | if (fPassthrough)
|
---|
1004 | {
|
---|
1005 | *penmTxDir = enmTxDir;
|
---|
1006 | *pcbXfer = cbXfer;
|
---|
1007 | *pcbSector = cbSector;
|
---|
1008 | }
|
---|
1009 |
|
---|
1010 | return fPassthrough;
|
---|
1011 | }
|
---|
1012 |
|
---|