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75 lines
3.4 KiB
C#
75 lines
3.4 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : MediaTek.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : MediaTek vendor commands.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains vendor commands for MMC drives with MediaTek chipsets.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2021 Natalia Portillo
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// ****************************************************************************/
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using Aaru.Console;
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namespace Aaru.Devices
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{
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public sealed partial class Device
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{
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/// <summary>Reads from the drive's DRAM.</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 DRAM contents 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="offset">Starting offset in DRAM memory.</param>
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/// <param name="length">How much data to retrieve from DRAM.</param>
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public bool MediaTekReadDram(out byte[] buffer, out byte[] senseBuffer, uint offset, uint length, uint timeout,
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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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buffer = new byte[length];
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cdb[0] = (byte)ScsiCommands.MediaTekVendorCommand;
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cdb[1] = 0x06;
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cdb[2] = (byte)((offset & 0xFF000000) >> 24);
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cdb[3] = (byte)((offset & 0xFF0000) >> 16);
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cdb[4] = (byte)((offset & 0xFF00) >> 8);
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cdb[5] = (byte)(offset & 0xFF);
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cdb[6] = (byte)((length & 0xFF000000) >> 24);
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cdb[7] = (byte)((length & 0xFF0000) >> 16);
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cdb[8] = (byte)((length & 0xFF00) >> 8);
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cdb[9] = (byte)(length & 0xFF);
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LastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
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out bool sense);
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Error = LastError != 0;
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AaruConsole.DebugWriteLine("SCSI Device", "MediaTek READ DRAM took {0} ms.", duration);
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return sense;
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}
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}
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} |