Files
Aaru/Aaru.Decoders/SCSI/Modes/1C_SFF.cs

209 lines
7.7 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : 1C_SFF.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Device structures decoders.
//
// --[ Description ] ----------------------------------------------------------
//
// Decodes SCSI MODE PAGE 1Ch: Timer & Protect page.
//
// --[ 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 System.Diagnostics.CodeAnalysis;
using System.Text;
namespace Aaru.Decoders.SCSI;
[SuppressMessage("ReSharper", "InconsistentNaming")]
[SuppressMessage("ReSharper", "MemberCanBeInternal")]
[SuppressMessage("ReSharper", "MemberCanBePrivate.Global")]
public static partial class Modes
{
#region Mode Page 0x1C: Timer & Protect page
/// <summary>Timer &amp; Protect page Page code 0x1C 8 bytes in INF-8070</summary>
public struct ModePage_1C_SFF
{
/// <summary>Parameters can be saved</summary>
public bool PS;
/// <summary>Time the device shall remain in the current state after seek, read or write operation</summary>
public byte InactivityTimeMultiplier;
/// <summary>Disabled until power cycle</summary>
public bool DISP;
/// <summary>Software Write Protect until Power-down</summary>
public bool SWPP;
}
public static ModePage_1C_SFF? DecodeModePage_1C_SFF(byte[] pageResponse)
{
if((pageResponse?[0] & 0x40) == 0x40)
return null;
if((pageResponse?[0] & 0x3F) != 0x1C)
return null;
if(pageResponse[1] + 2 != pageResponse.Length)
return null;
if(pageResponse.Length < 8)
return null;
var decoded = new ModePage_1C_SFF();
decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
decoded.DISP |= (pageResponse[2] & 0x02) == 0x02;
decoded.SWPP |= (pageResponse[3] & 0x01) == 0x01;
decoded.InactivityTimeMultiplier = (byte)(pageResponse[3] & 0x0F);
return decoded;
}
public static string PrettifyModePage_1C_SFF(byte[] pageResponse) =>
PrettifyModePage_1C_SFF(DecodeModePage_1C_SFF(pageResponse));
public static string PrettifyModePage_1C_SFF(ModePage_1C_SFF? modePage)
{
if(!modePage.HasValue)
return null;
ModePage_1C_SFF page = modePage.Value;
var sb = new StringBuilder();
sb.AppendLine(Localization.SCSI_Timer_Protect_page);
if(page.PS)
sb.AppendLine("\t" + Localization.Parameters_can_be_saved);
if(page.DISP)
sb.AppendLine("\t" + Localization.Drive_is_disabled_until_power_is_cycled);
if(page.SWPP)
sb.AppendLine("\t" + Localization.Drive_is_software_write_protected_until_powered_down);
switch(page.InactivityTimeMultiplier)
{
case 0:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_a_vendor_specified_time_after_a_seek_read_or_write_operation);
break;
case 1:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_125_ms_after_a_seek_read_or_write_operation);
break;
case 2:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_250_ms_after_a_seek_read_or_write_operation);
break;
case 3:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_500_ms_after_a_seek_read_or_write_operation);
break;
case 4:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_1_second_after_a_seek_read_or_write_operation);
break;
case 5:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_2_seconds_after_a_seek_read_or_write_operation);
break;
case 6:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_4_seconds_after_a_seek_read_or_write_operation);
break;
case 7:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_8_seconds_after_a_seek_read_or_write_operation);
break;
case 8:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_16_seconds_after_a_seek_read_or_write_operation);
break;
case 9:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_32_seconds_after_a_seek_read_or_write_operation);
break;
case 10:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_1_minute_after_a_seek_read_or_write_operation);
break;
case 11:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_2_minutes_after_a_seek_read_or_write_operation);
break;
case 12:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_4_minutes_after_a_seek_read_or_write_operation);
break;
case 13:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_8_minutes_after_a_seek_read_or_write_operation);
break;
case 14:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_16_minutes_after_a_seek_read_or_write_operation);
break;
case 15:
sb.AppendLine("\t" +
Localization.
Drive_will_remain_in_same_status_32_minutes_after_a_seek_read_or_write_operation);
break;
}
return sb.ToString();
}
#endregion Mode Page 0x1C: Timer & Protect page
}