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122 lines
4.5 KiB
C#
122 lines
4.5 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : 1B.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Device structures decoders.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Decodes SCSI MODE PAGE 1Bh: Removable Block Access Capabilities page.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System.Text;
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namespace DiscImageChef.Decoders.SCSI
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{
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public static partial class Modes
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{
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#region Mode Page 0x1B: Removable Block Access Capabilities page
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/// <summary>
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/// Removable Block Access Capabilities page
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/// Page code 0x1B
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/// 12 bytes in INF-8070
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/// </summary>
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public struct ModePage_1B
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{
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/// <summary>
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/// Parameters can be saved
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/// </summary>
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public bool PS;
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/// <summary>
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/// Supports reporting progress of format
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/// </summary>
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public bool SRFP;
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/// <summary>
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/// Non-CD Optical Device
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/// </summary>
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public bool NCD;
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/// <summary>
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/// Phase change dual device supporting a CD and a Non-CD Optical devices
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/// </summary>
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public bool SML;
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/// <summary>
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/// Total number of LUNs
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/// </summary>
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public byte TLUN;
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/// <summary>
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/// System Floppy Type device
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/// </summary>
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public bool SFLP;
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}
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public static ModePage_1B? DecodeModePage_1B(byte[] pageResponse)
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{
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if((pageResponse?[0] & 0x40) == 0x40) return null;
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if((pageResponse?[0] & 0x3F) != 0x1B) return null;
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if(pageResponse[1] + 2 != pageResponse.Length) return null;
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if(pageResponse.Length < 12) return null;
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ModePage_1B decoded = new ModePage_1B();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.SFLP |= (pageResponse[2] & 0x80) == 0x80;
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decoded.SRFP |= (pageResponse[2] & 0x40) == 0x40;
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decoded.NCD |= (pageResponse[3] & 0x80) == 0x80;
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decoded.SML |= (pageResponse[3] & 0x40) == 0x40;
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decoded.TLUN = (byte)(pageResponse[3] & 0x07);
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return decoded;
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}
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public static string PrettifyModePage_1B(byte[] pageResponse)
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{
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return PrettifyModePage_1B(DecodeModePage_1B(pageResponse));
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}
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public static string PrettifyModePage_1B(ModePage_1B? modePage)
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{
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if(!modePage.HasValue) return null;
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ModePage_1B page = modePage.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("SCSI Removable Block Access Capabilities page:");
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if(page.PS) sb.AppendLine("\tParameters can be saved");
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if(page.SFLP) sb.AppendLine("\tDrive can be used as a system floppy device");
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if(page.SRFP) sb.AppendLine("\tDrive supports reporting progress of format");
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if(page.NCD) sb.AppendLine("\tDrive is a Non-CD Optical Device");
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if(page.SML) sb.AppendLine("\tDevice is a dual device supporting CD and Non-CD Optical");
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if(page.TLUN > 0) sb.AppendFormat("\tDrive supports {0} LUNs", page.TLUN).AppendLine();
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return sb.ToString();
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}
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#endregion Mode Page 0x1B: Removable Block Access Capabilities page
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}
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} |