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111 lines
3.9 KiB
C#
111 lines
3.9 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : 24_IBM.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 IBM MODE PAGE 24h: Drive Capabilities Control 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 IBM Mode Page 0x24: Drive Capabilities Control Mode page
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public struct IBM_ModePage_24
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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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public byte ModeControl;
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public byte VelocitySetting;
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public bool EncryptionEnabled;
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public bool EncryptionCapable;
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}
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public static IBM_ModePage_24? DecodeIBMModePage_24(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) != 0x24)
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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 != 8)
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return null;
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var decoded = new IBM_ModePage_24();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.ModeControl = pageResponse[2];
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decoded.VelocitySetting = pageResponse[3];
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decoded.EncryptionEnabled |= (pageResponse[7] & 0x08) == 0x08;
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decoded.EncryptionCapable |= (pageResponse[7] & 0x01) == 0x01;
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return decoded;
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}
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public static string PrettifyIBMModePage_24(byte[] pageResponse) =>
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PrettifyIBMModePage_24(DecodeIBMModePage_24(pageResponse));
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public static string PrettifyIBMModePage_24(IBM_ModePage_24? modePage)
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{
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if(!modePage.HasValue)
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return null;
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IBM_ModePage_24 page = modePage.Value;
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var sb = new StringBuilder();
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sb.AppendLine(Localization.IBM_Vendor_Specific_Control_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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sb.AppendFormat("\t" + Localization.Vendor_specific_mode_control_0, page.ModeControl);
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sb.AppendFormat("\t" + Localization.Vendor_specific_velocity_setting_0, page.VelocitySetting);
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if(!page.EncryptionCapable)
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return sb.ToString();
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sb.AppendLine("\t" + Localization.Drive_supports_encryption);
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if(page.EncryptionEnabled)
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sb.AppendLine("\t" + Localization.Drive_has_encryption_enabled);
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return sb.ToString();
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}
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#endregion IBM Mode Page 0x24: Drive Capabilities Control Mode page
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} |