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Separated SCSI decoders by type.

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Natalia Portillo
2015-10-19 02:59:32 +01:00
parent 45303f8a8d
commit b3d48cac37
17 changed files with 3475 additions and 2884 deletions
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186
DiscImageChef.Decoders/SCSI/MMC/WriteProtect.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : WriteProtect.cs
// Version : 1.0
// Author(s) : Natalia Portillo
//
// Component : Component
//
// 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 System.Text;
namespace DiscImageChef.Decoders.SCSI.MMC
{
/// <summary>
/// Information from the following standards:
/// ANSI X3.304-1997
/// T10/1048-D revision 9.0
/// T10/1048-D revision 10a
/// T10/1228-D revision 7.0c
/// T10/1228-D revision 11a
/// T10/1363-D revision 10g
/// T10/1545-D revision 1d
/// T10/1545-D revision 5
/// T10/1545-D revision 5a
/// T10/1675-D revision 2c
/// T10/1675-D revision 4
/// T10/1836-D revision 2g
/// </summary>
public static class WriteProtect
{
public struct WriteProtectionStatus
{
/// <summary>
/// Bytes 0 to 1
/// Data Length
/// </summary>
public UInt16 DataLength;
/// <summary>
/// Byte 2
/// Reserved
/// </summary>
public byte Reserved1;
/// <summary>
/// Byte 3
/// Reserved
/// </summary>
public byte Reserved2;
/// <summary>
/// Byte 4, bits 7 to 4
/// Reserved
/// </summary>
public byte Reserved3;
/// <summary>
/// Byte 4, bit 3
/// Writing inhibited by media specific reason
/// </summary>
public bool MSWI;
/// <summary>
/// Byte 4, bit 2
/// Cartridge sets write protection
/// </summary>
public bool CWP;
/// <summary>
/// Byte 4, bit 1
/// Media surface sets write protection
/// </summary>
public bool PWP;
/// <summary>
/// Byte 4, bit 0
/// Software write protection until power down
/// </summary>
public bool SWPP;
/// <summary>
/// Byte 5
/// Reserved
/// </summary>
public byte Reserved4;
/// <summary>
/// Byte 6
/// Reserved
/// </summary>
public byte Reserved5;
/// <summary>
/// Byte 7
/// Reserved
/// </summary>
public byte Reserved6;
}
public static WriteProtectionStatus? DecodeWriteProtectionStatus(byte[] WPSResponse)
{
if (WPSResponse == null)
return null;
WriteProtectionStatus decoded = new WriteProtectionStatus();
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
decoded.DataLength = BigEndianBitConverter.ToUInt16(WPSResponse, 0);
decoded.Reserved1 = WPSResponse[2];
decoded.Reserved2 = WPSResponse[3];
decoded.Reserved3 = (byte)((WPSResponse[4] & 0xF0) >> 4);
decoded.MSWI = Convert.ToBoolean(WPSResponse[4] & 0x08);
decoded.CWP = Convert.ToBoolean(WPSResponse[4] & 0x04);
decoded.PWP = Convert.ToBoolean(WPSResponse[4] & 0x02);
decoded.SWPP = Convert.ToBoolean(WPSResponse[4] & 0x01);
decoded.Reserved4 = WPSResponse[5];
decoded.Reserved5 = WPSResponse[6];
decoded.Reserved6 = WPSResponse[7];
return decoded;
}
public static string PrettifyWriteProtectionStatus(WriteProtectionStatus? WPSResponse)
{
if (WPSResponse == null)
return null;
WriteProtectionStatus response = WPSResponse.Value;
StringBuilder sb = new StringBuilder();
if (response.MSWI)
sb.AppendLine("Writing inhibited by media specific reason");
if (response.CWP)
sb.AppendLine("Cartridge sets write protection");
if (response.PWP)
sb.AppendLine("Media surface sets write protection");
if (response.SWPP)
sb.AppendLine("Software write protection is set until power down");
#if DEBUG
if(response.Reserved1 != 0)
sb.AppendFormat("Reserved1 = 0x{0:X2}", response.Reserved1).AppendLine();
if(response.Reserved2 != 0)
sb.AppendFormat("Reserved2 = 0x{0:X2}", response.Reserved2).AppendLine();
if(response.Reserved3 != 0)
sb.AppendFormat("Reserved3 = 0x{0:X2}", response.Reserved3).AppendLine();
if(response.Reserved4 != 0)
sb.AppendFormat("Reserved4 = 0x{0:X2}", response.Reserved4).AppendLine();
if(response.Reserved5 != 0)
sb.AppendFormat("Reserved5 = 0x{0:X2}", response.Reserved5).AppendLine();
if(response.Reserved6 != 0)
sb.AppendFormat("Reserved6 = 0x{0:X2}", response.Reserved6).AppendLine();
#endif
return sb.ToString();
}
public static string PrettifyWriteProtectionStatus(byte[] WPSResponse)
{
WriteProtectionStatus? decoded = DecodeWriteProtectionStatus(WPSResponse);
return PrettifyWriteProtectionStatus(decoded);
}
}
}