mirror of
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401 lines
20 KiB
C#
401 lines
20 KiB
C#
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : SBC.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : SCSI Block Commands
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System;
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using DiscImageChef.Console;
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namespace DiscImageChef.Devices
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{
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public partial class Device
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{
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/// <summary>
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/// Sends the SBC READ (6) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="lba">Starting block.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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public bool Read6(out byte[] buffer, out byte[] senseBuffer, uint lba, uint blockSize, uint timeout, out double duration)
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{
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return Read6(out buffer, out senseBuffer, lba, blockSize, 1, timeout, out duration);
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}
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/// <summary>
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/// Sends the SBC READ (6) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="lba">Starting block.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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/// <param name="transferLength">How many blocks to read.</param>
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public bool Read6(out byte[] buffer, out byte[] senseBuffer, uint lba, uint blockSize, byte transferLength, uint timeout, out double duration)
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{
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senseBuffer = new byte[32];
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byte[] cdb = new byte[6];
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bool sense;
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cdb[0] = (byte)ScsiCommands.Read6;
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cdb[1] = (byte)((lba & 0x1F0000) >> 16);
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cdb[2] = (byte)((lba & 0xFF00) >> 8);
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cdb[3] = (byte)(lba & 0xFF);
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cdb[4] = transferLength;
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if(transferLength == 0)
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buffer = new byte[256 * blockSize];
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else
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buffer = new byte[transferLength * blockSize];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "READ (6) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Sends the SBC READ (10) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="rdprotect">Instructs the drive how to check for protection information on the medium.</param>
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/// <param name="dpo">If set to <c>true</c> requested blocks shall be assigned the lowest retention priority on cache fetch/retain.</param>
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/// <param name="fua">If set to <c>true</c> requested blocks MUST bu read from medium and not the cache.</param>
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/// <param name="fuaNv">If set to <c>true</c> requested blocks will be returned from non-volatile cache. If they're not present they shall be stored there.</param>
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/// <param name="lba">Starting block.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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/// <param name="groupNumber">Group number where attributes associated with this command should be collected.</param>
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/// <param name="transferLength">How many blocks to read.</param>
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/// <param name="relAddr">If set to <c>true</c> address is relative to current position.</param>
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public bool Read10(out byte[] buffer, out byte[] senseBuffer, byte rdprotect, bool dpo, bool fua, bool fuaNv, bool relAddr, uint lba, uint blockSize, byte groupNumber, ushort transferLength, uint timeout, out double duration)
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{
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senseBuffer = new byte[32];
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byte[] cdb = new byte[10];
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bool sense;
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cdb[0] = (byte)ScsiCommands.Read10;
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cdb[1] = (byte)((rdprotect & 0x07) << 5);
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if(dpo)
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cdb[1] += 0x10;
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if(fua)
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cdb[1] += 0x08;
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if(fuaNv)
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cdb[1] += 0x02;
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if(relAddr)
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cdb[1] += 0x01;
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cdb[2] = (byte)((lba & 0xFF000000) >> 24);
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cdb[3] = (byte)((lba & 0xFF0000) >> 16);
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cdb[4] = (byte)((lba & 0xFF00) >> 8);
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cdb[5] = (byte)(lba & 0xFF);
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cdb[6] = (byte)(groupNumber & 0x1F);
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cdb[7] = (byte)((transferLength & 0xFF00) >> 8);
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cdb[8] = (byte)(transferLength & 0xFF);
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buffer = new byte[transferLength * blockSize];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "READ (10) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Sends the SBC READ (12) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="rdprotect">Instructs the drive how to check for protection information on the medium.</param>
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/// <param name="dpo">If set to <c>true</c> requested blocks shall be assigned the lowest retention priority on cache fetch/retain.</param>
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/// <param name="fua">If set to <c>true</c> requested blocks MUST bu read from medium and not the cache.</param>
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/// <param name="fuaNv">If set to <c>true</c> requested blocks will be returned from non-volatile cache. If they're not present they shall be stored there.</param>
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/// <param name="lba">Starting block.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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/// <param name="groupNumber">Group number where attributes associated with this command should be collected.</param>
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/// <param name="transferLength">How many blocks to read.</param>
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/// <param name="streaming">If set to <c>true</c> the stream playback operation should be used (MMC only).</param>
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/// <param name="relAddr">If set to <c>true</c> address is relative to current position.</param>
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public bool Read12(out byte[] buffer, out byte[] senseBuffer, byte rdprotect, bool dpo, bool fua, bool fuaNv, bool relAddr, uint lba, uint blockSize, byte groupNumber, uint transferLength, bool streaming, uint timeout, out double duration)
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{
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senseBuffer = new byte[32];
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byte[] cdb = new byte[12];
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bool sense;
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cdb[0] = (byte)ScsiCommands.Read12;
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cdb[1] = (byte)((rdprotect & 0x07) << 5);
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if(dpo)
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cdb[1] += 0x10;
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if(fua)
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cdb[1] += 0x08;
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if(fuaNv)
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cdb[1] += 0x02;
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if(relAddr)
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cdb[1] += 0x01;
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cdb[2] = (byte)((lba & 0xFF000000) >> 24);
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cdb[3] = (byte)((lba & 0xFF0000) >> 16);
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cdb[4] = (byte)((lba & 0xFF00) >> 8);
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cdb[5] = (byte)(lba & 0xFF);
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cdb[6] = (byte)((transferLength & 0xFF000000) >> 24);
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cdb[7] = (byte)((transferLength & 0xFF0000) >> 16);
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cdb[8] = (byte)((transferLength & 0xFF00) >> 8);
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cdb[9] = (byte)(transferLength & 0xFF);
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cdb[10] = (byte)(groupNumber & 0x1F);
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if(streaming)
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cdb[10] += 0x80;
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buffer = new byte[transferLength * blockSize];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "READ (12) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Sends the SBC READ (16) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="rdprotect">Instructs the drive how to check for protection information on the medium.</param>
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/// <param name="dpo">If set to <c>true</c> requested blocks shall be assigned the lowest retention priority on cache fetch/retain.</param>
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/// <param name="fua">If set to <c>true</c> requested blocks MUST bu read from medium and not the cache.</param>
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/// <param name="fuaNv">If set to <c>true</c> requested blocks will be returned from non-volatile cache. If they're not present they shall be stored there.</param>
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/// <param name="lba">Starting block.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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/// <param name="groupNumber">Group number where attributes associated with this command should be collected.</param>
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/// <param name="transferLength">How many blocks to read.</param>
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/// <param name="streaming">If set to <c>true</c> the stream playback operation should be used (MMC only).</param>
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public bool Read16(out byte[] buffer, out byte[] senseBuffer, byte rdprotect, bool dpo, bool fua, bool fuaNv, ulong lba, uint blockSize, byte groupNumber, uint transferLength, bool streaming, uint timeout, out double duration)
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{
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senseBuffer = new byte[32];
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byte[] cdb = new byte[16];
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bool sense;
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byte[] lbaBytes = BitConverter.GetBytes(lba);
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cdb[0] = (byte)ScsiCommands.Read16;
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cdb[1] = (byte)((rdprotect & 0x07) << 5);
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if(dpo)
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cdb[1] += 0x10;
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if(fua)
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cdb[1] += 0x08;
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if(fuaNv)
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cdb[1] += 0x02;
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cdb[2] = lbaBytes[7];
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cdb[3] = lbaBytes[6];
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cdb[4] = lbaBytes[5];
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cdb[5] = lbaBytes[4];
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cdb[6] = lbaBytes[3];
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cdb[7] = lbaBytes[2];
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cdb[8] = lbaBytes[1];
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cdb[9] = lbaBytes[0];
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cdb[10] = (byte)((transferLength & 0xFF000000) >> 24);
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cdb[11] = (byte)((transferLength & 0xFF0000) >> 16);
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cdb[12] = (byte)((transferLength & 0xFF00) >> 8);
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cdb[13] = (byte)(transferLength & 0xFF);
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cdb[14] = (byte)(groupNumber & 0x1F);
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if(streaming)
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cdb[14] += 0x80;
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buffer = new byte[transferLength * blockSize];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "READ (16) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Sends the SBC READ LONG (10) command
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer"/> contains the sense buffer.</returns>
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/// <param name="buffer">Buffer where the SCSI READ LONG response will be stored</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout in seconds.</param>
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/// <param name = "relAddr"></param>
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/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
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/// <param name="correct">If set to <c>true</c> ask the drive to try to correct errors in the sector.</param>
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/// <param name="lba">LBA to read.</param>
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/// <param name="transferBytes">How many bytes to read. If the number is not exactly the drive's size, the command will fail and incidate a delta of the size in SENSE.</param>
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public bool ReadLong10(out byte[] buffer, out byte[] senseBuffer, bool correct, bool relAddr, uint lba, ushort transferBytes, uint timeout, out double duration)
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{
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senseBuffer = new byte[32];
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byte[] cdb = new byte[10];
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bool sense;
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cdb[0] = (byte)ScsiCommands.ReadLong;
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if(correct)
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cdb[1] += 0x02;
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if(relAddr)
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cdb[1] += 0x01;
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cdb[2] = (byte)((lba & 0xFF000000) >> 24);
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cdb[3] = (byte)((lba & 0xFF0000) >> 16);
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cdb[4] = (byte)((lba & 0xFF00) >> 8);
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cdb[5] = (byte)(lba & 0xFF);
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cdb[7] = (byte)((transferBytes & 0xFF00) >> 8);
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cdb[8] = (byte)(transferBytes & 0xFF);
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buffer = new byte[transferBytes];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "READ LONG (10) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Sends the SBC READ LONG (16) 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 LONG 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="correct">If set to <c>true</c> ask the drive to try to correct errors in the sector.</param>
|
|||
|
|
/// <param name="lba">LBA to read.</param>
|
|||
|
|
/// <param name="transferBytes">How many bytes to read. If the number is not exactly the drive's size, the command will fail and incidate a delta of the size in SENSE.</param>
|
|||
|
|
public bool ReadLong16(out byte[] buffer, out byte[] senseBuffer, bool correct, ulong lba, uint transferBytes, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
byte[] cdb = new byte[16];
|
|||
|
|
bool sense;
|
|||
|
|
byte[] lbaBytes = BitConverter.GetBytes(lba);
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.ServiceActionIn;
|
|||
|
|
cdb[1] = (byte)ScsiServiceActions.ReadLong16;
|
|||
|
|
cdb[2] = lbaBytes[7];
|
|||
|
|
cdb[3] = lbaBytes[6];
|
|||
|
|
cdb[4] = lbaBytes[5];
|
|||
|
|
cdb[5] = lbaBytes[4];
|
|||
|
|
cdb[6] = lbaBytes[3];
|
|||
|
|
cdb[7] = lbaBytes[2];
|
|||
|
|
cdb[8] = lbaBytes[1];
|
|||
|
|
cdb[9] = lbaBytes[0];
|
|||
|
|
cdb[12] = (byte)((transferBytes & 0xFF00) >> 8);
|
|||
|
|
cdb[13] = (byte)(transferBytes & 0xFF);
|
|||
|
|
if(correct)
|
|||
|
|
cdb[14] += 0x01;
|
|||
|
|
|
|||
|
|
buffer = new byte[transferBytes];
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ LONG (16) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Moves the device reading element to the specified block address
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="lba">LBA.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Seek6(out byte[] senseBuffer, uint lba, 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.Seek6;
|
|||
|
|
cdb[1] = (byte)((lba & 0x1F0000) >> 16);
|
|||
|
|
cdb[2] = (byte)((lba & 0xFF00) >> 8);
|
|||
|
|
cdb[3] = (byte)(lba & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "SEEK (6) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Moves the device reading element to the specified block address
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="lba">LBA.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Seek10(out byte[] senseBuffer, uint lba, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
byte[] cdb = new byte[10];
|
|||
|
|
byte[] buffer = new byte[0];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.Seek10;
|
|||
|
|
cdb[2] = (byte)((lba & 0xFF000000) >> 24);
|
|||
|
|
cdb[3] = (byte)((lba & 0xFF0000) >> 16);
|
|||
|
|
cdb[4] = (byte)((lba & 0xFF00) >> 8);
|
|||
|
|
cdb[5] = (byte)(lba & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "SEEK (10) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|