mirror of
https://github.com/aaru-dps/Aaru.git
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987 lines
48 KiB
C#
987 lines
48 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 : SSC.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 Stream 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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/// Prepares the medium for reading
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/// </summary>
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/// <returns><c>true</c>, if load was successful, <c>false</c> otherwise.</returns>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Load(out byte[] senseBuffer, uint timeout, out double duration)
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{
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return LoadUnload(out senseBuffer, false, true, false, false, false, timeout, out duration);
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}
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/// <summary>
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/// Prepares the medium for ejection
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/// </summary>
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/// <returns><c>true</c>, if unload was successful, <c>false</c> otherwise.</returns>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Unload(out byte[] senseBuffer, uint timeout, out double duration)
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{
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return LoadUnload(out senseBuffer, false, false, false, false, false, timeout, out duration);
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}
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/// <summary>
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/// Prepares the medium for reading or ejection
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/// </summary>
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/// <returns><c>true</c>, if load/unload was successful, <c>false</c> otherwise.</returns>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="load">If set to <c>true</c> load the medium for reading.</param>
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/// <param name="retense">If set to <c>true</c> retense the tape.</param>
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/// <param name="endOfTape">If set to <c>true</c> move the medium to the EOT mark.</param>
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/// <param name="hold">If set to <c>true</c> and <paramref name="load"/> is also set to <c>true</c>, moves the medium to the drive but does not prepare it for reading.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool LoadUnload(out byte[] senseBuffer, bool immediate, bool load, bool retense, bool endOfTape, bool hold, 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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byte[] buffer = new byte[0];
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bool sense;
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cdb[0] = (byte)ScsiCommands.LoadUnload;
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if (immediate)
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cdb[1] = 0x01;
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if (load)
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cdb[4] += 0x01;
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if (retense)
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cdb[4] += 0x02;
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if (endOfTape)
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cdb[4] += 0x04;
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if (hold)
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cdb[4] += 0x08;
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "LOAD UNLOAD (6) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Positions the medium to the specified block in the current partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate(out byte[] senseBuffer, uint lba, uint timeout, out double duration)
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{
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return Locate(out senseBuffer, false, false, true, 0, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the specified partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate(out byte[] senseBuffer, byte partition, uint lba, uint timeout, out double duration)
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{
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return Locate(out senseBuffer, false, false, true, partition, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the current partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate(out byte[] senseBuffer, bool immediate, uint lba, uint timeout, out double duration)
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{
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return Locate(out senseBuffer, immediate, false, true, 0, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the specified partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate(out byte[] senseBuffer, bool immediate, byte partition, uint lba, uint timeout, out double duration)
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{
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return Locate(out senseBuffer, immediate, false, true, partition, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified object identifier
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="blockType">If set to <c>true</c> object identifier is vendor specified.</param>
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/// <param name="changePartition">If set to <c>true</c> change partition.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="objectId">Object identifier.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate(out byte[] senseBuffer, bool immediate, bool blockType, bool changePartition, byte partition, uint objectId, 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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byte[] buffer = new byte[0];
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bool sense;
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cdb[0] = (byte)ScsiCommands.Locate;
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if (immediate)
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cdb[1] += 0x01;
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if (changePartition)
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cdb[1] += 0x02;
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if (blockType)
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cdb[1] += 0x04;
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cdb[3] = (byte)((objectId & 0xFF000000) >> 24);
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cdb[4] = (byte)((objectId & 0xFF0000) >> 16);
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cdb[5] = (byte)((objectId & 0xFF00) >> 8);
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cdb[6] = (byte)(objectId & 0xFF);
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cdb[8] = partition;
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "LOCATE (10) took {0} ms.", duration);
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return sense;
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}
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/// <summary>
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/// Positions the medium to the specified block in the current partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate16(out byte[] senseBuffer, ulong lba, uint timeout, out double duration)
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{
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return Locate16(out senseBuffer, false, false, SscLogicalIdTypes.ObjectId, false, 0, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the specified partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate16(out byte[] senseBuffer, byte partition, ulong lba, uint timeout, out double duration)
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{
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return Locate16(out senseBuffer, false, true, SscLogicalIdTypes.ObjectId, false, partition, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the current partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate16(out byte[] senseBuffer, bool immediate, ulong lba, uint timeout, out double duration)
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{
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return Locate16(out senseBuffer, immediate, false, SscLogicalIdTypes.ObjectId, false, 0, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified block in the specified partition
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="lba">Logical block address.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate16(out byte[] senseBuffer, bool immediate, byte partition, ulong lba, uint timeout, out double duration)
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{
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return Locate16(out senseBuffer, immediate, true, SscLogicalIdTypes.ObjectId, false, partition, lba, timeout, out duration);
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}
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/// <summary>
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/// Positions the medium to the specified object identifier
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/// </summary>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="immediate">If set to <c>true</c>, return from the command immediately.</param>
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/// <param name="changePartition">If set to <c>true</c> change partition.</param>
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/// <param name="destType">Destination type.</param>
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/// <param name="bam">If set to <c>true</c> objectId is explicit.</param>
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/// <param name="partition">Partition to position to.</param>
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/// <param name="identifier">Destination identifier.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Locate16(out byte[] senseBuffer, bool immediate, bool changePartition, SscLogicalIdTypes destType, bool bam, byte partition, ulong identifier, 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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byte[] buffer = new byte[0];
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bool sense;
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byte[] idBytes = BitConverter.GetBytes(identifier);
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cdb[0] = (byte)ScsiCommands.Locate16;
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cdb[1] = (byte)((byte)destType << 3);
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if (immediate)
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cdb[1] += 0x01;
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if (changePartition)
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cdb[1] += 0x02;
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if (bam)
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cdb[2] = 0x01;
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cdb[3] = partition;
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cdb[4] = idBytes[7];
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cdb[5] = idBytes[6];
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cdb[6] = idBytes[5];
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cdb[7] = idBytes[4];
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cdb[8] = idBytes[3];
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cdb[9] = idBytes[2];
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cdb[10] = idBytes[1];
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cdb[11] = idBytes[0];
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lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("SCSI Device", "LOCATE (16) took {0} ms.", duration);
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return sense;
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}
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/*/// <summary>
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/// Reads the specified number of blocks from the medium
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/// </summary>
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/// <param name="buffer">Buffer.</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="blocks">How many blocks to read.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool Read6(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize, uint timeout, out double duration)
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{
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return Read6(out buffer, out senseBuffer, false, true, blocks, blockSize, timeout, out duration);
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}*/
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/// <summary>
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/// Reads the specified number of bytes or of blocks from the medium
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/// </summary>
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/// <param name="buffer">Buffer.</param>
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/// <param name="senseBuffer">Sense buffer.</param>
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/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
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/// <param name="transferLen">How many bytes to read.</param>
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/// <param name="blockSize">Block size in bytes.</param>
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|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read6(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Read6(out buffer, out senseBuffer, sili, false, transferLen, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of bytes or of blocks from the medium
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication. Cannot be set while <paramref name="fixedLen"/> is set also.</param>
|
|||
|
|
/// <param name="fixedLen">If set to <c>true</c> <paramref name="transferLen"/> indicates how many blocks to read of a fixed size.</param>
|
|||
|
|
/// <param name="transferLen">Transfer length in blocks or bytes depending of <paramref name="fixedLen"/> status.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read6(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
if (fixedLen)
|
|||
|
|
buffer = new byte[blockSize * transferLen];
|
|||
|
|
else
|
|||
|
|
buffer = new byte[transferLen];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.Read6;
|
|||
|
|
if (fixedLen)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (sili)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
cdb[2] = (byte)((transferLen & 0xFF0000) >> 16);
|
|||
|
|
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
|
|||
|
|
cdb[4] = (byte)(transferLen & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ (6) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified object
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Read16(out buffer, out senseBuffer, sili, false, 0, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified block from the specified partition
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, byte partition, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Read16(out buffer, out senseBuffer, sili, false, partition, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified object
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read16(out byte[] buffer, out byte[] senseBuffer, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Read16(out buffer, out senseBuffer, false, true, 0, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified block from the specified partition
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read16(out byte[] buffer, out byte[] senseBuffer, byte partition, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Read16(out buffer, out senseBuffer, false, true, partition, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of bytes or objects starting at specified object from the specified partition
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication. Cannot be set while <paramref name="fixedLen"/> is set also.</param>
|
|||
|
|
/// <param name="fixedLen">If set to <c>true</c> <paramref name="transferLen"/> indicates how many blocks to read of a fixed size.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="transferLen">Transfer length in blocks or bytes depending of <paramref name="fixedLen"/> status.</param>
|
|||
|
|
/// <param name="objectSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Read16(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen, byte partition, ulong objectId, uint transferLen, uint objectSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
if (fixedLen)
|
|||
|
|
buffer = new byte[objectSize * transferLen];
|
|||
|
|
else
|
|||
|
|
buffer = new byte[transferLen];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
byte[] idBytes = BitConverter.GetBytes(objectId);
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.Read16;
|
|||
|
|
if (fixedLen)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (sili)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
cdb[3] = partition;
|
|||
|
|
cdb[4] = idBytes[7];
|
|||
|
|
cdb[5] = idBytes[6];
|
|||
|
|
cdb[6] = idBytes[5];
|
|||
|
|
cdb[7] = idBytes[4];
|
|||
|
|
cdb[8] = idBytes[3];
|
|||
|
|
cdb[9] = idBytes[2];
|
|||
|
|
cdb[10] = idBytes[1];
|
|||
|
|
cdb[11] = idBytes[0];
|
|||
|
|
cdb[12] = (byte)((transferLen & 0xFF0000) >> 16);
|
|||
|
|
cdb[13] = (byte)((transferLen & 0xFF00) >> 8);
|
|||
|
|
cdb[14] = (byte)(transferLen & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ (16) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Requests the drive the maximum and minimum block size
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadBlockLimits(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
buffer = new byte[6];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.ReadBlockLimits;
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ BLOCK LIMITS took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reports current reading/writing elements position on the medium
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadPosition(out buffer, out senseBuffer, SscPositionForms.Short, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reports current reading/writing elements position on the medium using 32 bytes response
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadPositionLong(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadPosition(out buffer, out senseBuffer, SscPositionForms.Long, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reports current reading/writing elements position on the medium
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="vendorType">Requests the position to be given in vendor-specified meaning.</param>
|
|||
|
|
/// <param name="longForm">Requests the response to be 32 bytes format.</param>
|
|||
|
|
/// <param name="totalPosition">Requests current logical position.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, bool vendorType, bool longForm, bool totalPosition, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
byte responseForm = 0;
|
|||
|
|
if (vendorType)
|
|||
|
|
responseForm += 0x01;
|
|||
|
|
if (longForm)
|
|||
|
|
responseForm += 0x02;
|
|||
|
|
if (totalPosition)
|
|||
|
|
responseForm += 0x04;
|
|||
|
|
|
|||
|
|
return ReadPosition(out buffer, out senseBuffer, (SscPositionForms)responseForm, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reports current reading/writing elements position on the medium
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="responseForm">Response form.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadPosition(out byte[] buffer, out byte[] senseBuffer, SscPositionForms responseForm, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
switch (responseForm)
|
|||
|
|
{
|
|||
|
|
case SscPositionForms.Long:
|
|||
|
|
case SscPositionForms.OldLong:
|
|||
|
|
case SscPositionForms.OldLongTclpVendor:
|
|||
|
|
case SscPositionForms.OldLongVendor:
|
|||
|
|
case SscPositionForms.Extended:
|
|||
|
|
buffer = new byte[32];
|
|||
|
|
break;
|
|||
|
|
case SscPositionForms.OldTclp:
|
|||
|
|
case SscPositionForms.OldTclpVendor:
|
|||
|
|
case SscPositionForms.Short:
|
|||
|
|
case SscPositionForms.VendorShort:
|
|||
|
|
buffer = new byte[20];
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
buffer = new byte[32]; // Invalid
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
byte[] cdb = new byte[10];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.ReadPosition;
|
|||
|
|
cdb[1] = (byte)((byte)responseForm & 0x1F);
|
|||
|
|
if(responseForm == SscPositionForms.Extended)
|
|||
|
|
{
|
|||
|
|
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
|
|||
|
|
cdb[8] = (byte)(buffer.Length & 0xFF);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ POSITION took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of blocks from the medium, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse6(out buffer, out senseBuffer, false, false, true, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of bytes or of blocks from the medium, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="transferLen">How many bytes to read.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse6(out buffer, out senseBuffer, false, sili, false, transferLen, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of bytes or of blocks from the medium, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="byteOrder">If set to <c>true</c> drive should un-reverse the blocks and bytes</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication. Cannot be set while <paramref name="fixedLen"/> is set also.</param>
|
|||
|
|
/// <param name="fixedLen">If set to <c>true</c> <paramref name="transferLen"/> indicates how many blocks to read of a fixed size.</param>
|
|||
|
|
/// <param name="transferLen">Transfer length in blocks or bytes depending of <paramref name="fixedLen"/> status.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse6(out byte[] buffer, out byte[] senseBuffer, bool byteOrder, bool sili, bool fixedLen, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
if (fixedLen)
|
|||
|
|
buffer = new byte[blockSize * transferLen];
|
|||
|
|
else
|
|||
|
|
buffer = new byte[transferLen];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.ReadReverse;
|
|||
|
|
if (fixedLen)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (sili)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
if (byteOrder)
|
|||
|
|
cdb[1] += 0x04;
|
|||
|
|
cdb[2] = (byte)((transferLen & 0xFF0000) >> 16);
|
|||
|
|
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
|
|||
|
|
cdb[4] = (byte)(transferLen & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ REVERSE (6) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified object, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool sili, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse16(out buffer, out senseBuffer, false, sili, false, 0, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified block from the specified partition, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool sili, byte partition, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse16(out buffer, out senseBuffer, false, sili, false, partition, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified object, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse16(out buffer, out senseBuffer, false, false, true, 0, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of fixed-length blocks starting at specified block from the specified partition, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, byte partition, ulong objectId, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReadReverse16(out buffer, out senseBuffer, false, false, true, partition, objectId, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads a number of bytes or objects starting at specified object from the specified partition, backwards
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="byteOrder">If set to <c>true</c> drive should un-reverse the blocks and bytes</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication. Cannot be set while <paramref name="fixedLen"/> is set also.</param>
|
|||
|
|
/// <param name="fixedLen">If set to <c>true</c> <paramref name="transferLen"/> indicates how many blocks to read of a fixed size.</param>
|
|||
|
|
/// <param name="partition">Partition to read object from.</param>
|
|||
|
|
/// <param name="objectId">Object identifier.</param>
|
|||
|
|
/// <param name="transferLen">Transfer length in blocks or bytes depending of <paramref name="fixedLen"/> status.</param>
|
|||
|
|
/// <param name="objectSize">Object size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReadReverse16(out byte[] buffer, out byte[] senseBuffer, bool byteOrder, bool sili, bool fixedLen, byte partition, ulong objectId, uint transferLen, uint objectSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
if (fixedLen)
|
|||
|
|
buffer = new byte[objectSize * transferLen];
|
|||
|
|
else
|
|||
|
|
buffer = new byte[transferLen];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
byte[] idBytes = BitConverter.GetBytes(objectId);
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.Read16;
|
|||
|
|
if (fixedLen)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (sili)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
if (byteOrder)
|
|||
|
|
cdb[1] += 0x04;
|
|||
|
|
cdb[3] = partition;
|
|||
|
|
cdb[4] = idBytes[7];
|
|||
|
|
cdb[5] = idBytes[6];
|
|||
|
|
cdb[6] = idBytes[5];
|
|||
|
|
cdb[7] = idBytes[4];
|
|||
|
|
cdb[8] = idBytes[3];
|
|||
|
|
cdb[9] = idBytes[2];
|
|||
|
|
cdb[10] = idBytes[1];
|
|||
|
|
cdb[11] = idBytes[0];
|
|||
|
|
cdb[12] = (byte)((transferLen & 0xFF0000) >> 16);
|
|||
|
|
cdb[13] = (byte)((transferLen & 0xFF00) >> 8);
|
|||
|
|
cdb[14] = (byte)(transferLen & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "READ REVERSE (16) took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of blocks from the device's buffer
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="blocks">How many blocks to read.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, uint blocks, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return RecoverBufferedData(out buffer, out senseBuffer, false, true, blocks, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of bytes or of blocks from the device's buffer
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication.</param>
|
|||
|
|
/// <param name="transferLen">How many bytes to read.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, bool sili, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return RecoverBufferedData(out buffer, out senseBuffer, sili, false, transferLen, blockSize, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Reads the specified number of bytes or of blocks from the device's buffer
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="sili">If set to <c>true</c> suppress the incorrect-length indication. Cannot be set while <paramref name="fixedLen"/> is set also.</param>
|
|||
|
|
/// <param name="fixedLen">If set to <c>true</c> <paramref name="transferLen"/> indicates how many blocks to read of a fixed size.</param>
|
|||
|
|
/// <param name="transferLen">Transfer length in blocks or bytes depending of <paramref name="fixedLen"/> status.</param>
|
|||
|
|
/// <param name="blockSize">Block size in bytes.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool RecoverBufferedData(out byte[] buffer, out byte[] senseBuffer, bool sili, bool fixedLen, uint transferLen, uint blockSize, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
if (fixedLen)
|
|||
|
|
buffer = new byte[blockSize * transferLen];
|
|||
|
|
else
|
|||
|
|
buffer = new byte[transferLen];
|
|||
|
|
byte[] cdb = new byte[6];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.RecoverBufferedData;
|
|||
|
|
if (fixedLen)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (sili)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
cdb[2] = (byte)((transferLen & 0xFF0000) >> 16);
|
|||
|
|
cdb[3] = (byte)((transferLen & 0xFF00) >> 8);
|
|||
|
|
cdb[4] = (byte)(transferLen & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "RECOVER BUFFERED DATA took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Requests the device to return descriptors for supported densities or medium types
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReportDensitySupport(out buffer, out senseBuffer, false, false, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Requests the device to return descriptors for supported densities or medium types
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="currentMedia">If set to <c>true</c> descriptors should apply to currently inserted media.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, bool currentMedia, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return ReportDensitySupport(out buffer, out senseBuffer, false, currentMedia, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Requests the device to return descriptors for supported densities or medium types
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="buffer">Buffer.</param>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="mediumType">If set to <c>true</c> descriptors should be about medium types.</param>
|
|||
|
|
/// <param name="currentMedia">If set to <c>true</c> descriptors should apply to currently inserted media.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool ReportDensitySupport(out byte[] buffer, out byte[] senseBuffer, bool mediumType, bool currentMedia, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
buffer = new byte[256];
|
|||
|
|
byte[] cdb = new byte[10];
|
|||
|
|
senseBuffer = new byte[32];
|
|||
|
|
bool sense;
|
|||
|
|
|
|||
|
|
cdb[0] = (byte)ScsiCommands.ReportDensitySupport;
|
|||
|
|
if (mediumType)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
if (currentMedia)
|
|||
|
|
cdb[1] += 0x02;
|
|||
|
|
cdb[7] = (byte)((buffer.Length & 0xFF00) >> 8);
|
|||
|
|
cdb[8] = (byte)(buffer.Length & 0xFF);
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
if (sense)
|
|||
|
|
return true;
|
|||
|
|
|
|||
|
|
ushort availableLength = (ushort)(((int)buffer[0] << 8) + buffer[1] + 2);
|
|||
|
|
buffer = new byte[availableLength];
|
|||
|
|
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", "REPORT DENSITY SUPPORT took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Positions the reading/writing element to the beginning of current partition
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Rewind(out byte[] senseBuffer, uint timeout, out double duration)
|
|||
|
|
{
|
|||
|
|
return Rewind(out senseBuffer, false, timeout, out duration);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Positions the reading/writing element to the beginning of current partition
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="immediate">If set to <c>true</c> return from the command immediately.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool Rewind(out byte[] senseBuffer, bool immediate, 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.Rewind;
|
|||
|
|
if (immediate)
|
|||
|
|
cdb[1] += 0x01;
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "REWIND took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Selects the specified track
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns><c>true</c>, if select was tracked, <c>false</c> otherwise.</returns>
|
|||
|
|
/// <param name="senseBuffer">Sense buffer.</param>
|
|||
|
|
/// <param name="track">Track.</param>
|
|||
|
|
/// <param name="timeout">Timeout.</param>
|
|||
|
|
/// <param name="duration">Duration.</param>
|
|||
|
|
public bool TrackSelect(out byte[] senseBuffer, byte track, 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.TrackSelect;
|
|||
|
|
cdb[5] = track;
|
|||
|
|
|
|||
|
|
lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.None, out duration, out sense);
|
|||
|
|
error = lastError != 0;
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("SCSI Device", "TRACK SELECT took {0} ms.", duration);
|
|||
|
|
|
|||
|
|
return sense;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|