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Aaru/DiscImageChef.Devices/Device/ScsiCommands/MMC.cs

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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : MMC.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : SCSI MultiMedia Commands.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains SCSI commands defined in MMC standards.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/
using System;
using DiscImageChef.Console;
namespace DiscImageChef.Devices
{
public partial class Device
{
/// <summary>
/// Sends the MMC GET CONFIGURATION command for all Features
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI GET CONFIGURATION response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool GetConfiguration(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return GetConfiguration(out buffer, out senseBuffer, 0x0000, MmcGetConfigurationRt.All, timeout,
out duration);
}
/// <summary>
/// Sends the MMC GET CONFIGURATION command for all Features starting with specified one
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI GET CONFIGURATION response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="startingFeatureNumber">Feature number where the feature list should start from</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool GetConfiguration(out byte[] buffer, out byte[] senseBuffer, ushort startingFeatureNumber,
uint timeout, out double duration)
{
return GetConfiguration(out buffer, out senseBuffer, startingFeatureNumber, MmcGetConfigurationRt.All,
timeout, out duration);
}
/// <summary>
/// Sends the MMC GET CONFIGURATION command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI GET CONFIGURATION response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="startingFeatureNumber">Starting Feature number.</param>
/// <param name="rt">Return type, <see cref="MmcGetConfigurationRt"/>.</param>
public bool GetConfiguration(out byte[] buffer, out byte[] senseBuffer, ushort startingFeatureNumber,
MmcGetConfigurationRt rt, uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[10];
buffer = new byte[8];
bool sense;
cdb[0] = (byte)ScsiCommands.GetConfiguration;
cdb[1] = (byte)((byte)rt & 0x03);
cdb[2] = (byte)((startingFeatureNumber & 0xFF00) >> 8);
cdb[3] = (byte)(startingFeatureNumber & 0xFF);
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(buffer.Length & 0xFF);
cdb[9] = 0;
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
if(sense) return true;
#pragma warning disable IDE0004 // Cast is necessary or an invalid bitshift happens
ushort confLength = (ushort)(((int)buffer[2] << 8) + buffer[3] + 4);
#pragma warning restore IDE0004 // Cast is necessary or an invalid bitshift happens
buffer = new byte[confLength];
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(buffer.Length & 0xFF);
senseBuffer = new byte[32];
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "GET CONFIGURATION took {0} ms.", duration);
return sense;
}
/// <summary>
/// Sends the MMC READ DISC STRUCTURE command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ DISC STRUCTURE response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="mediaType">Medium type for requested disc structure</param>
/// <param name="address">Medium address for requested disc structure</param>
/// <param name="layerNumber">Medium layer for requested disc structure</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="format">Which disc structure are we requesting</param>
/// <param name="agid">AGID used in medium copy protection</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadDiscStructure(out byte[] buffer, out byte[] senseBuffer, MmcDiscStructureMediaType mediaType,
uint address, byte layerNumber, MmcDiscStructureFormat format, byte agid,
uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[12];
buffer = new byte[8];
bool sense;
cdb[0] = (byte)ScsiCommands.ReadDiscStructure;
cdb[1] = (byte)((byte)mediaType & 0x0F);
cdb[2] = (byte)((address & 0xFF000000) >> 24);
cdb[3] = (byte)((address & 0xFF0000) >> 16);
cdb[4] = (byte)((address & 0xFF00) >> 8);
cdb[5] = (byte)(address & 0xFF);
cdb[6] = layerNumber;
cdb[7] = (byte)format;
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF);
cdb[10] = (byte)((agid & 0x03) << 6);
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
if(sense) return true;
#pragma warning disable IDE0004 // Cast is necessary or an invalid bitshift happens
ushort strctLength = (ushort)(((int)buffer[0] << 8) + buffer[1] + 2);
#pragma warning restore IDE0004 // Cast is necessary or an invalid bitshift happens
buffer = new byte[strctLength];
cdb[8] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[9] = (byte)(buffer.Length & 0xFF);
senseBuffer = new byte[32];
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "READ DISC STRUCTURE took {0} ms.", duration);
return sense;
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get formatted TOC from disc, in MM:SS:FF format
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="track">Start TOC from this track</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadToc(out byte[] buffer, out byte[] senseBuffer, byte track, uint timeout, out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 0, track, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get formatted TOC from disc
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="msf">If <c>true</c>, request data in MM:SS:FF units, otherwise, in blocks</param>
/// <param name="track">Start TOC from this track</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadToc(out byte[] buffer, out byte[] senseBuffer, bool msf, byte track, uint timeout,
out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, msf, 0, track, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get multi-session information, in MM:SS:FF format
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadSessionInfo(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 1, 0, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get multi-session information
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="msf">If <c>true</c>, request data in MM:SS:FF units, otherwise, in blocks</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadSessionInfo(out byte[] buffer, out byte[] senseBuffer, bool msf, uint timeout,
out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, msf, 1, 0, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get raw TOC subchannels
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="sessionNumber">Session which TOC to get</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadRawToc(out byte[] buffer, out byte[] senseBuffer, byte sessionNumber, uint timeout,
out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 2, sessionNumber, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get PMA
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadPma(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 3, 0, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get ATIP
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadAtip(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 4, 0, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command to get Lead-In CD-TEXT
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadCdText(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return ReadTocPmaAtip(out buffer, out senseBuffer, true, 5, 0, timeout, out duration);
}
/// <summary>
/// Sends the MMC READ TOC/PMA/ATIP command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ TOC/PMA/ATIP response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="msf">If <c>true</c>, request data in MM:SS:FF units, otherwise, in blocks</param>
/// <param name="format">What structure is requested</param>
/// <param name="trackSessionNumber">Track/Session number</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadTocPmaAtip(out byte[] buffer, out byte[] senseBuffer, bool msf, byte format,
byte trackSessionNumber, uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[10];
byte[] tmpBuffer;
bool sense;
if((format & 0x0F) == 5) tmpBuffer = new byte[32768];
else tmpBuffer = new byte[1024];
cdb[0] = (byte)ScsiCommands.ReadTocPmaAtip;
if(msf) cdb[1] = 0x02;
cdb[2] = (byte)(format & 0x0F);
cdb[6] = trackSessionNumber;
cdb[7] = (byte)((tmpBuffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(tmpBuffer.Length & 0xFF);
lastError = SendScsiCommand(cdb, ref tmpBuffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
#pragma warning disable IDE0004 // Cast is necessary or an invalid bitshift happens
uint strctLength = (uint)(((int)tmpBuffer[0] << 8) + tmpBuffer[1] + 2);
#pragma warning restore IDE0004 // Cast is necessary or an invalid bitshift happens
buffer = new byte[strctLength];
if(buffer.Length <= tmpBuffer.Length)
{
Array.Copy(tmpBuffer, 0, buffer, 0, buffer.Length);
DicConsole.DebugWriteLine("SCSI Device", "READ TOC/PMA/ATIP took {0} ms.", duration);
return sense;
}
double tmpDuration = duration;
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
duration += tmpDuration;
DicConsole.DebugWriteLine("SCSI Device", "READ TOC/PMA/ATIP took {0} ms.", duration);
return sense;
}
/// <summary>
/// Sends the MMC READ DISC INFORMATION command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ DISC INFORMATION response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadDiscInformation(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
{
return ReadDiscInformation(out buffer, out senseBuffer, MmcDiscInformationDataTypes.DiscInformation,
timeout, out duration);
}
/// <summary>
/// Sends the MMC READ DISC INFORMATION command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the SCSI READ DISC INFORMATION response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="dataType">Which disc information to read</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
public bool ReadDiscInformation(out byte[] buffer, out byte[] senseBuffer, MmcDiscInformationDataTypes dataType,
uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[10];
byte[] tmpBuffer = new byte[804];
bool sense;
cdb[0] = (byte)ScsiCommands.ReadDiscInformation;
cdb[1] = (byte)dataType;
cdb[7] = (byte)((tmpBuffer.Length & 0xFF00) >> 8);
cdb[8] = (byte)(tmpBuffer.Length & 0xFF);
lastError = SendScsiCommand(cdb, ref tmpBuffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
#pragma warning disable IDE0004 // Cast is necessary or an invalid bitshift happens
uint strctLength = (uint)(((int)tmpBuffer[0] << 8) + tmpBuffer[1] + 2);
#pragma warning restore IDE0004 // Cast is necessary or an invalid bitshift happens
buffer = new byte[strctLength];
Array.Copy(tmpBuffer, 0, buffer, 0, buffer.Length);
DicConsole.DebugWriteLine("SCSI Device", "READ DISC INFORMATION took {0} ms.", duration);
return sense;
}
/// <summary>
/// Sends the MMC READ CD command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the MMC READ CD response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="lba">Start block address.</param>
/// <param name="transferLength">How many blocks to read.</param>
/// <param name="blockSize">Block size.</param>
/// <param name="expectedSectorType">Expected sector type.</param>
/// <param name="dap">If set to <c>true</c> CD-DA should be modified by mute and interpolation</param>
/// <param name="relAddr">If set to <c>true</c> address is relative to current position.</param>
/// <param name="sync">If set to <c>true</c> we request the sync bytes for data sectors.</param>
/// <param name="headerCodes">Header codes.</param>
/// <param name="userData">If set to <c>true</c> we request the user data.</param>
/// <param name="edcEcc">If set to <c>true</c> we request the EDC/ECC fields for data sectors.</param>
/// <param name="c2Error">C2 error options.</param>
/// <param name="subchannel">Subchannel selection.</param>
public bool ReadCd(out byte[] buffer, out byte[] senseBuffer, uint lba, uint blockSize, uint transferLength,
MmcSectorTypes expectedSectorType, bool dap, bool relAddr, bool sync,
MmcHeaderCodes headerCodes, bool userData, bool edcEcc, MmcErrorField c2Error,
MmcSubchannel subchannel, uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[12];
bool sense;
cdb[0] = (byte)ScsiCommands.ReadCd;
cdb[1] = (byte)((byte)expectedSectorType << 2);
if(dap) cdb[1] += 0x02;
if(relAddr) cdb[1] += 0x01;
cdb[2] = (byte)((lba & 0xFF000000) >> 24);
cdb[3] = (byte)((lba & 0xFF0000) >> 16);
cdb[4] = (byte)((lba & 0xFF00) >> 8);
cdb[5] = (byte)(lba & 0xFF);
cdb[6] = (byte)((transferLength & 0xFF0000) >> 16);
cdb[7] = (byte)((transferLength & 0xFF00) >> 8);
cdb[8] = (byte)(transferLength & 0xFF);
cdb[9] = (byte)((byte)c2Error << 1);
cdb[9] += (byte)((byte)headerCodes << 5);
if(sync) cdb[9] += 0x80;
if(userData) cdb[9] += 0x10;
if(edcEcc) cdb[9] += 0x08;
cdb[10] = (byte)subchannel;
buffer = new byte[blockSize * transferLength];
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "READ CD took {0} ms.", duration);
return sense;
}
/// <summary>
/// Sends the MMC READ CD MSF command
/// </summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the MMC READ CD MSF response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="startMsf">Start MM:SS:FF of read encoded as 0x00MMSSFF.</param>
/// <param name="endMsf">End MM:SS:FF of read encoded as 0x00MMSSFF.</param>
/// <param name="blockSize">Block size.</param>
/// <param name="expectedSectorType">Expected sector type.</param>
/// <param name="dap">If set to <c>true</c> CD-DA should be modified by mute and interpolation</param>
/// <param name="sync">If set to <c>true</c> we request the sync bytes for data sectors.</param>
/// <param name="headerCodes">Header codes.</param>
/// <param name="userData">If set to <c>true</c> we request the user data.</param>
/// <param name="edcEcc">If set to <c>true</c> we request the EDC/ECC fields for data sectors.</param>
/// <param name="c2Error">C2 error options.</param>
/// <param name="subchannel">Subchannel selection.</param>
public bool ReadCdMsf(out byte[] buffer, out byte[] senseBuffer, uint startMsf, uint endMsf, uint blockSize,
MmcSectorTypes expectedSectorType, bool dap, bool sync, MmcHeaderCodes headerCodes,
bool userData, bool edcEcc, MmcErrorField c2Error, MmcSubchannel subchannel, uint timeout,
out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[12];
bool sense;
cdb[0] = (byte)ScsiCommands.ReadCdMsf;
cdb[1] = (byte)((byte)expectedSectorType << 2);
if(dap) cdb[1] += 0x02;
cdb[3] = (byte)((startMsf & 0xFF0000) >> 16);
cdb[4] = (byte)((startMsf & 0xFF00) >> 8);
cdb[5] = (byte)(startMsf & 0xFF);
cdb[6] = (byte)((endMsf & 0xFF0000) >> 16);
cdb[7] = (byte)((endMsf & 0xFF00) >> 8);
cdb[8] = (byte)(endMsf & 0xFF);
cdb[9] = (byte)((byte)c2Error << 1);
cdb[9] += (byte)((byte)headerCodes << 5);
if(sync) cdb[9] += 0x80;
if(userData) cdb[9] += 0x10;
if(edcEcc) cdb[9] += 0x08;
cdb[10] = (byte)subchannel;
uint transferLength = (uint)((cdb[6] - cdb[3]) * 60 * 75 + (cdb[7] - cdb[4]) * 75 + (cdb[8] - cdb[5]));
buffer = new byte[blockSize * transferLength];
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "READ CD MSF took {0} ms.", duration);
return sense;
}
public bool PreventMediumRemoval(out byte[] senseBuffer, uint timeout, out double duration)
{
return PreventAllowMediumRemoval(out senseBuffer, false, true, timeout, out duration);
}
public bool AllowMediumRemoval(out byte[] senseBuffer, uint timeout, out double duration)
{
return PreventAllowMediumRemoval(out senseBuffer, false, false, timeout, out duration);
}
public bool PreventAllowMediumRemoval(out byte[] senseBuffer, bool persistent, bool prevent, uint timeout,
out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[6];
byte[] buffer = new byte[0];
bool sense;
cdb[0] = (byte)ScsiCommands.PreventAllowMediumRemoval;
if(prevent) cdb[4] += 0x01;
if(persistent) cdb[4] += 0x02;
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "PREVENT ALLOW MEDIUM REMOVAL took {0} ms.", duration);
return sense;
}
public bool LoadTray(out byte[] senseBuffer, uint timeout, out double duration)
{
return StartStopUnit(out senseBuffer, false, 0, 0, false, true, true, timeout, out duration);
}
public bool EjectTray(out byte[] senseBuffer, uint timeout, out double duration)
{
return StartStopUnit(out senseBuffer, false, 0, 0, false, true, false, timeout, out duration);
}
public bool StartUnit(out byte[] senseBuffer, uint timeout, out double duration)
{
return StartStopUnit(out senseBuffer, false, 0, 0, false, false, true, timeout, out duration);
}
public bool StopUnit(out byte[] senseBuffer, uint timeout, out double duration)
{
return StartStopUnit(out senseBuffer, false, 0, 0, false, false, false, timeout, out duration);
}
public bool StartStopUnit(out byte[] senseBuffer, bool immediate, byte formatLayer, byte powerConditions,
bool changeFormatLayer, bool loadEject, bool start, uint timeout, out double duration)
{
senseBuffer = new byte[32];
byte[] cdb = new byte[6];
byte[] buffer = new byte[0];
bool sense;
cdb[0] = (byte)ScsiCommands.StartStopUnit;
if(immediate) cdb[1] += 0x01;
if(changeFormatLayer)
{
cdb[3] = (byte)(formatLayer & 0x03);
cdb[4] += 0x04;
}
else
{
if(loadEject) cdb[4] += 0x02;
if(start) cdb[4] += 0x01;
}
cdb[4] += (byte)((powerConditions & 0x0F) << 4);
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration,
out sense);
error = lastError != 0;
DicConsole.DebugWriteLine("SCSI Device", "START STOP UNIT took {0} ms.", duration);
return sense;
}
}
}
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