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https://github.com/aaru-dps/Aaru.git
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119 lines
4.1 KiB
C#
119 lines
4.1 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : 00_SFF.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 00h: Drive Operation Mode 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 © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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namespace Aaru.Decoders.SCSI;
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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[SuppressMessage("ReSharper", "MemberCanBeInternal")]
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[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
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public static partial class Modes
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{
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#region Mode Page 0x00: Drive Operation Mode page
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/// <summary>Drive Operation Mode page Page code 0x00 4 bytes in INF-8070</summary>
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public struct ModePage_00_SFF
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{
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/// <summary>Parameters can be saved</summary>
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public bool PS;
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/// <summary>Select LUN Mode</summary>
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public bool SLM;
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/// <summary>Select LUN for rewritable</summary>
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public bool SLR;
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/// <summary>Disable verify for WRITE</summary>
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public bool DVW;
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/// <summary>Disable deferred error</summary>
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public bool DDE;
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}
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public static ModePage_00_SFF? DecodeModePage_00_SFF(byte[] pageResponse)
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{
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if((pageResponse?[0] & 0x40) == 0x40)
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return null;
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if((pageResponse?[0] & 0x3F) != 0x00)
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return null;
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if(pageResponse[1] + 2 != pageResponse.Length)
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return null;
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if(pageResponse.Length < 4)
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return null;
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var decoded = new ModePage_00_SFF();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.SLM |= (pageResponse[2] & 0x80) == 0x80;
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decoded.SLR |= (pageResponse[2] & 0x40) == 0x40;
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decoded.DVW |= (pageResponse[2] & 0x20) == 0x20;
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decoded.DDE |= (pageResponse[3] & 0x10) == 0x10;
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return decoded;
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}
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public static string PrettifyModePage_00_SFF(byte[] pageResponse) =>
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PrettifyModePage_00_SFF(DecodeModePage_00_SFF(pageResponse));
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public static string PrettifyModePage_00_SFF(ModePage_00_SFF? modePage)
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{
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if(!modePage.HasValue)
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return null;
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ModePage_00_SFF page = modePage.Value;
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var sb = new StringBuilder();
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sb.AppendLine(Localization.SCSI_Drive_Operation_Mode_page);
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if(page.PS)
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sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
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if(page.DVW)
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sb.AppendLine("\t" + Localization.Verifying_after_writing_is_disabled);
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if(page.DDE)
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sb.AppendLine("\t" + Localization.Drive_will_abort_when_a_writing_error_is_detected);
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if(!page.SLM)
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return sb.ToString();
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sb.Append("\t" + Localization.Drive_has_two_LUNs_with_rewritable_being);
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sb.AppendLine(page.SLR ? "LUN 1" : "LUN 0");
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return sb.ToString();
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}
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#endregion Mode Page 0x00: Drive Operation Mode page
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} |