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280 lines
11 KiB
C#
280 lines
11 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : 1A.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 1Ah: Power condition 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 0x1A: Power condition page
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/// <summary>
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/// Power condition page
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/// Page code 0x1A
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/// 12 bytes in SPC-1, SPC-2, SPC-3, SPC-4
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/// 40 bytes in SPC-5
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/// </summary>
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public struct ModePage_1A
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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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/// Idle timer activated
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/// </summary>
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public bool Idle;
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/// <summary>
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/// Standby timer activated
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/// </summary>
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public bool Standby;
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/// <summary>
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/// Idle timer
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/// </summary>
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public uint IdleTimer;
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/// <summary>
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/// Standby timer
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/// </summary>
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public uint StandbyTimer;
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/// <summary>
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/// Interactions between background functions and power management
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/// </summary>
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public byte PM_BG_Precedence;
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/// <summary>
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/// Standby timer Y activated
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/// </summary>
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public bool Standby_Y;
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/// <summary>
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/// Idle timer B activated
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/// </summary>
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public bool Idle_B;
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/// <summary>
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/// Idle timer C activated
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/// </summary>
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public bool Idle_C;
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/// <summary>
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/// Idle timer B
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/// </summary>
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public uint IdleTimer_B;
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/// <summary>
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/// Idle timer C
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/// </summary>
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public uint IdleTimer_C;
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/// <summary>
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/// Standby timer Y
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/// </summary>
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public uint StandbyTimer_Y;
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public byte CCF_Idle;
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public byte CCF_Standby;
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public byte CCF_Stopped;
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}
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public static ModePage_1A? DecodeModePage_1A(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) != 0x1A) 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_1A decoded = new ModePage_1A();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.Standby |= (pageResponse[3] & 0x01) == 0x01;
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decoded.Idle |= (pageResponse[3] & 0x02) == 0x02;
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decoded.IdleTimer = (uint)((pageResponse[4] << 24) + (pageResponse[5] << 16) + (pageResponse[6] << 8) +
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pageResponse[7]);
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decoded.StandbyTimer = (uint)((pageResponse[8] << 24) + (pageResponse[9] << 16) + (pageResponse[10] << 8) +
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pageResponse[11]);
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if(pageResponse.Length < 40) return decoded;
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decoded.PM_BG_Precedence = (byte)((pageResponse[2] & 0xC0) >> 6);
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decoded.Standby_Y |= (pageResponse[2] & 0x01) == 0x01;
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decoded.Idle_B |= (pageResponse[3] & 0x04) == 0x04;
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decoded.Idle_C |= (pageResponse[3] & 0x08) == 0x08;
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decoded.IdleTimer_B = (uint)((pageResponse[12] << 24) + (pageResponse[13] << 16) + (pageResponse[14] << 8) +
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pageResponse[15]);
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decoded.IdleTimer_C = (uint)((pageResponse[16] << 24) + (pageResponse[17] << 16) + (pageResponse[18] << 8) +
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pageResponse[19]);
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decoded.StandbyTimer_Y = (uint)((pageResponse[20] << 24) + (pageResponse[21] << 16) +
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(pageResponse[22] << 8) + pageResponse[23]);
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decoded.CCF_Idle = (byte)((pageResponse[39] & 0xC0) >> 6);
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decoded.CCF_Standby = (byte)((pageResponse[39] & 0x30) >> 4);
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decoded.CCF_Stopped = (byte)((pageResponse[39] & 0x0C) >> 2);
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return decoded;
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}
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public static string PrettifyModePage_1A(byte[] pageResponse)
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{
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return PrettifyModePage_1A(DecodeModePage_1A(pageResponse));
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}
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public static string PrettifyModePage_1A(ModePage_1A? modePage)
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{
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if(!modePage.HasValue) return null;
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ModePage_1A page = modePage.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("SCSI Power condition page:");
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if(page.PS) sb.AppendLine("\tParameters can be saved");
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if(page.Standby && page.StandbyTimer > 0 || page.Standby_Y && page.StandbyTimer_Y > 0)
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{
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if(page.Standby && page.StandbyTimer > 0)
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sb.AppendFormat("\tStandby timer Z is set to {0} ms", page.StandbyTimer * 100).AppendLine();
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if(page.Standby_Y && page.StandbyTimer_Y > 0)
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sb.AppendFormat("\tStandby timer Y is set to {0} ms", page.StandbyTimer_Y * 100).AppendLine();
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}
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else sb.AppendLine("\tDrive will not enter standy mode");
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if(page.Idle && page.IdleTimer > 0 || page.Idle_B && page.IdleTimer_B > 0 ||
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page.Idle_C && page.IdleTimer_C > 0)
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{
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if(page.Idle && page.IdleTimer > 0)
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sb.AppendFormat("\tIdle timer A is set to {0} ms", page.IdleTimer * 100).AppendLine();
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if(page.Idle_B && page.IdleTimer_B > 0)
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sb.AppendFormat("\tIdle timer B is set to {0} ms", page.IdleTimer_B * 100).AppendLine();
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if(page.Idle_C && page.IdleTimer_C > 0)
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sb.AppendFormat("\tIdle timer C is set to {0} ms", page.IdleTimer_C * 100).AppendLine();
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}
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else sb.AppendLine("\tDrive will not enter idle mode");
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switch(page.PM_BG_Precedence)
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{
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case 0: break;
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case 1:
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sb.AppendLine("\tPerforming background functions take precedence over maintaining low power conditions");
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break;
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case 2:
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sb.AppendLine("\tMaintaining low power conditions take precedence over performing background functions");
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break;
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}
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return sb.ToString();
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}
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#endregion Mode Page 0x1A: Power condition page
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#region Mode Page 0x1A subpage 0x01: Power Consumption mode page
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/// <summary>
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/// Power Consumption mode page
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/// Page code 0x1A
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/// Subpage code 0x01
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/// 16 bytes in SPC-5
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/// </summary>
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public struct ModePage_1A_S01
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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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/// Active power level
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/// </summary>
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public byte ActiveLevel;
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/// <summary>
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/// Power Consumption VPD identifier in use
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/// </summary>
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public byte PowerConsumptionIdentifier;
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}
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public static ModePage_1A_S01? DecodeModePage_1A_S01(byte[] pageResponse)
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{
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if(pageResponse == null) return null;
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if((pageResponse[0] & 0x40) != 0x40) return null;
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if((pageResponse[0] & 0x3F) != 0x1A) return null;
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if(pageResponse[1] != 0x01) return null;
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if((pageResponse[2] << 8) + pageResponse[3] + 4 != pageResponse.Length) return null;
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if(pageResponse.Length < 16) return null;
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ModePage_1A_S01 decoded = new ModePage_1A_S01();
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decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
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decoded.ActiveLevel = (byte)(pageResponse[6] & 0x03);
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decoded.PowerConsumptionIdentifier = pageResponse[7];
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return decoded;
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}
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public static string PrettifyModePage_1A_S01(byte[] pageResponse)
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{
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return PrettifyModePage_1A_S01(DecodeModePage_1A_S01(pageResponse));
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}
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public static string PrettifyModePage_1A_S01(ModePage_1A_S01? modePage)
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{
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if(!modePage.HasValue) return null;
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ModePage_1A_S01 page = modePage.Value;
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StringBuilder sb = new StringBuilder();
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sb.AppendLine("SCSI Power Consumption page:");
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if(page.PS) sb.AppendLine("\tParameters can be saved");
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switch(page.ActiveLevel)
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{
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case 0:
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sb.AppendFormat("\tDevice power consumption is dictated by identifier {0} of Power Consumption VPD",
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page.PowerConsumptionIdentifier).AppendLine();
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break;
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case 1:
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sb.AppendLine("\tDevice is in highest relative power consumption level");
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break;
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case 2:
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sb.AppendLine("\tDevice is in intermediate relative power consumption level");
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break;
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case 3:
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sb.AppendLine("\tDevice is in lowest relative power consumption level");
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break;
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}
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return sb.ToString();
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}
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#endregion Mode Page 0x1A subpage 0x01: Power Consumption mode page
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}
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} |