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Aaru/Aaru.Devices/Device/ScsiCommands/HL-DT-ST.cs

75 lines
3.2 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : HL-DT-ST.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : HL-DT-ST vendor commands.
//
// --[ Description ] ----------------------------------------------------------
//
// Contains vendor commands for HL-DT-ST SCSI devices.
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
using Aaru.Console;
namespace Aaru.Devices;
public partial class Device
{
/// <summary>Reads a "raw" sector from DVD on HL-DT-ST drives.</summary>
/// <returns><c>true</c> if the command failed and <paramref name="senseBuffer" /> contains the sense buffer.</returns>
/// <param name="buffer">Buffer where the HL-DT-ST READ DVD (RAW) response will be stored</param>
/// <param name="senseBuffer">Sense buffer.</param>
/// <param name="timeout">Timeout in seconds.</param>
/// <param name="duration">Duration in milliseconds it took for the device to execute the command.</param>
/// <param name="lba">Start block address.</param>
/// <param name="transferLength">How many blocks to read.</param>
public bool HlDtStReadRawDvd(out byte[] buffer, out byte[] senseBuffer, uint lba, uint transferLength, uint timeout,
out double duration)
{
senseBuffer = new byte[64];
byte[] cdb = new byte[12];
buffer = new byte[2064 * transferLength];
cdb[0] = (byte)ScsiCommands.HlDtStVendor;
cdb[1] = 0x48;
cdb[2] = 0x49;
cdb[3] = 0x54;
cdb[4] = 0x01;
cdb[6] = (byte)((lba & 0xFF000000) >> 24);
cdb[7] = (byte)((lba & 0xFF0000) >> 16);
cdb[8] = (byte)((lba & 0xFF00) >> 8);
cdb[9] = (byte)(lba & 0xFF);
cdb[10] = (byte)((buffer.Length & 0xFF00) >> 8);
cdb[11] = (byte)(buffer.Length & 0xFF);
LastError = SendScsiCommand(cdb, ref buffer, out senseBuffer, timeout, ScsiDirection.In, out duration,
out bool sense);
Error = LastError != 0;
AaruConsole.DebugWriteLine("SCSI Device", Localization.HL_DT_ST_READ_DVD_RAW_took_0_ms, duration);
return sense;
}
}