Hardware/HDD/SSDSandforce.cs
author StephaneLenclud
Sun, 21 Sep 2014 21:55:36 +0200
branchMiniDisplay
changeset 445 fe4c711fd7f8
parent 344 3145aadca3d2
permissions -rw-r--r--
Support for SharpDisplayManager.
Switching to .NET v4.0 to allow System.ServiceModel.
OxyPlot fix and recompile for .NET v4.0.
FrontView fix to start-up without SoundGraphAccess.exe.
     1 /*
     2  
     3   This Source Code Form is subject to the terms of the Mozilla Public
     4   License, v. 2.0. If a copy of the MPL was not distributed with this
     5   file, You can obtain one at http://mozilla.org/MPL/2.0/.
     6  
     7   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
     8 	Copyright (C) 2010 Paul Werelds
     9 	
    10 */
    11 
    12 using System.Collections.Generic;
    13 using OpenHardwareMonitor.Collections;
    14 
    15 namespace OpenHardwareMonitor.Hardware.HDD {
    16 
    17   [NamePrefix(""), RequireSmart(0xAB), RequireSmart(0xB1)]
    18   internal class SSDSandforce : AbstractHarddrive {
    19 
    20     private static readonly IEnumerable<SmartAttribute> smartAttributes =
    21       new List<SmartAttribute> {
    22       new SmartAttribute(0x01, SmartNames.RawReadErrorRate),
    23       new SmartAttribute(0x05, SmartNames.RetiredBlockCount, RawToInt),
    24       new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),
    25       new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),
    26       new SmartAttribute(0xAB, SmartNames.ProgramFailCount, RawToInt),
    27       new SmartAttribute(0xAC, SmartNames.EraseFailCount, RawToInt),
    28       new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount, RawToInt),
    29       new SmartAttribute(0xB1, SmartNames.WearRangeDelta, RawToInt),
    30       new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount, RawToInt),
    31       new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount, RawToInt),
    32       new SmartAttribute(0xBB, SmartNames.UncorrectableErrorCount, RawToInt),
    33       new SmartAttribute(0xC2, SmartNames.Temperature, 
    34         (byte[] raw, byte value, IReadOnlyArray<IParameter> p) 
    35           => { return value + (p == null ? 0 : p[0].Value); }, 
    36         SensorType.Temperature, 0, true, 
    37         new[] { new ParameterDescription("Offset [°C]", 
    38                   "Temperature offset of the thermal sensor.\n" + 
    39                   "Temperature = Value + Offset.", 0) }), 
    40       new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc), 
    41       new SmartAttribute(0xC4, SmartNames.ReallocationEventCount, RawToInt),
    42       new SmartAttribute(0xE7, SmartNames.RemainingLife, null, 
    43         SensorType.Level, 0),
    44       new SmartAttribute(0xE9, SmartNames.ControllerWritesToNAND, RawToInt,
    45         SensorType.Data, 0),
    46       new SmartAttribute(0xEA, SmartNames.HostWritesToController, RawToInt, 
    47         SensorType.Data, 1),
    48       new SmartAttribute(0xF1, SmartNames.HostWrites, RawToInt, 
    49         SensorType.Data, 1),
    50       new SmartAttribute(0xF2, SmartNames.HostReads, RawToInt, 
    51         SensorType.Data, 2)
    52     };
    53 
    54     private Sensor writeAmplification;
    55 
    56     public SSDSandforce(ISmart smart, string name, string firmwareRevision, 
    57       int index, ISettings settings) 
    58       : base(smart, name, firmwareRevision,  index, smartAttributes, settings) 
    59     {
    60       this.writeAmplification = new Sensor("Write Amplification", 1, 
    61         SensorType.Factor, this, settings);    
    62     }
    63 
    64     public override void UpdateAdditionalSensors(DriveAttributeValue[] values) {
    65       float? controllerWritesToNAND = null;
    66       float? hostWritesToController = null;
    67       foreach (DriveAttributeValue value in values) {
    68         if (value.Identifier == 0xE9)
    69           controllerWritesToNAND = RawToInt(value.RawValue, value.AttrValue, null);
    70 
    71         if (value.Identifier == 0xEA)
    72           hostWritesToController = RawToInt(value.RawValue, value.AttrValue, null);
    73       }
    74       if (controllerWritesToNAND.HasValue && hostWritesToController.HasValue) {
    75         if (hostWritesToController.Value > 0)
    76           writeAmplification.Value =
    77             controllerWritesToNAND.Value / hostWritesToController.Value;
    78         else
    79           writeAmplification.Value = 0;
    80         ActivateSensor(writeAmplification);
    81       }
    82     }
    83   }
    84 }