* DiscImageChef.Devices/Device/ScsiCommands/SMC.cs:

* DiscImageChef.Devices/DiscImageChef.Devices.csproj: Added read-only Streaming Commands. * DiscImageChef.Devices/Device/ScsiCommands/SSC.cs: Added READ ATTRIBUTE. * DiscImageChef.Devices/Device/ScsiCommands/MMC.cs: Corrected typo on header * DiscImageChef.Devices/Device/ScsiCommands/SPC.cs: Corrected buffer mislength. Added support for READ ATTRIBUTE. * DiscImageChef.Devices/Enums.cs: Corrected opcode for SCSI WRITE ATTRIBUTE. Added SCSI Streaming and Attribute enumerations.
2025-12-16 19:24:25 +00:00 · 2016-01-13 03:47:25 +00:00
parent 8c24edf3dd
commit 3b318a56e3
7 changed files with 1298 additions and 4 deletions
--- a/DiscImageChef.Devices/Device/ScsiCommands/SMC.cs
+++ b/DiscImageChef.Devices/Device/ScsiCommands/SMC.cs
@@ -0,0 +1,105 @@
+// /***************************************************************************
+// The Disc Image Chef
+// ----------------------------------------------------------------------------
+//
+// Filename       : SMC.cs
+// Version        : 1.0
+// Author(s)      : Natalia Portillo
+//
+// Component      : SCSI Media-changer Commands
+//
+// Revision       : $Revision$
+// Last change by : $Author$
+// Date           : $Date$
+//
+// --[ Description ] ----------------------------------------------------------
+//
+// Description
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU General Public License as
+//     published by the Free Software Foundation, either version 3 of the
+//     License, or (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU General Public License for more details.
+//
+//     You should have received a copy of the GNU General Public License
+//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright (C) 2011-2015 Claunia.com
+// ****************************************************************************/
+// //$Id$
+using System;
+using DiscImageChef.Console;
+
+namespace DiscImageChef.Devices
+{
+    public partial class Device
+    {
+        /// <summary>
+        /// Reads an attribute from the medium auxiliary memory, or reports which elements in the changer contain one
+        /// </summary>
+        /// <param name="buffer">Buffer.</param>
+        /// <param name="senseBuffer">Sense buffer.</param>
+        /// <param name="action">What to do, <see cref="ScsiAttributeAction"/>.</param>
+        /// <param name="element">Element address.</param>
+        /// <param name="elementType">Element type.</param>
+        /// <param name="volume">Volume number.</param>
+        /// <param name="partition">Partition number.</param>
+        /// <param name="firstAttribute">First attribute identificator.</param>
+        /// <param name="cache">If set to <c>true</c> device can return cached data.</param>
+        /// <param name="timeout">Timeout.</param>
+        /// <param name="duration">Duration.</param>
+        public bool ReadAttribute(out byte[] buffer, out byte[] senseBuffer, ScsiAttributeAction action, ushort element, byte elementType, byte volume, byte partition, ushort firstAttribute, bool cache, uint timeout, out double duration)
+        {
+            buffer = new byte[256];
+            byte[] cdb = new byte[16];
+            senseBuffer = new byte[32];
+            bool sense;
+
+            cdb[0] = (byte)ScsiCommands.ReadAttribute;
+            cdb[1] = (byte)((byte)action & 0x1F);
+            cdb[2] = (byte)((element & 0xFF00) >> 8);
+            cdb[3] = (byte)(element & 0xFF);
+            cdb[4] = (byte)(elementType & 0x0F);
+            cdb[5] = volume;
+            cdb[7] = partition;
+            cdb[8] = (byte)((firstAttribute & 0xFF00) >> 8);
+            cdb[9] = (byte)(firstAttribute & 0xFF);
+            cdb[10] = (byte)((buffer.Length & 0xFF000000) >> 24);
+            cdb[11] = (byte)((buffer.Length & 0xFF0000) >> 16);
+            cdb[12] = (byte)((buffer.Length & 0xFF00) >> 8);
+            cdb[13] = (byte)(buffer.Length & 0xFF);
+            if (cache)
+                cdb[14] += 0x01;
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
+            error = lastError != 0;
+
+            if (sense)
+                return true;
+
+            uint attrLen = (uint)(((int)buffer[0] << 24) + ((int)buffer[1] << 16) + ((int)buffer[2] << 8) + buffer[3] + 4);
+            buffer = new byte[attrLen];
+            cdb[10] = (byte)((buffer.Length & 0xFF000000) >> 24);
+            cdb[11] = (byte)((buffer.Length & 0xFF0000) >> 16);
+            cdb[12] = (byte)((buffer.Length & 0xFF00) >> 8);
+            cdb[13] = (byte)(buffer.Length & 0xFF);
+            senseBuffer = new byte[32];
+
+            lastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration, out sense);
+            error = lastError != 0;
+
+            DicConsole.DebugWriteLine("SCSI Device", "READ ATTRIBUTE took {0} ms.", duration);
+
+            return sense;
+        }
+    }
+}
+