OpenHardwareMonitor: Hardware/HDD/SSDSandforce.cs@6de77245e32b

     1 /*

     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/.

     7   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>

     8 	Copyright (C) 2010 Paul Werelds

    10 */

    12 namespace OpenHardwareMonitor.Hardware.HDD {

    13   using System.Collections.Generic;

    15   [NamePrefix(""), RequireSmart(0xAB), RequireSmart(0xB1)]

    16   internal class SSDSandforce : AbstractHarddrive {

    18     private static readonly IEnumerable<SmartAttribute> smartAttributes =

    19       new List<SmartAttribute> {

    20       new SmartAttribute(0x01, SmartNames.RawReadErrorRate),

    21       new SmartAttribute(0x05, SmartNames.RetiredBlockCount, RawToInt),

    22       new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),

    23       new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),

    24       new SmartAttribute(0xAB, SmartNames.ProgramFailCount, RawToInt),

    25       new SmartAttribute(0xAC, SmartNames.EraseFailCount, RawToInt),

    26       new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount, RawToInt),

    27       new SmartAttribute(0xB1, SmartNames.WearRangeDelta, RawToInt),

    28       new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount, RawToInt),

    29       new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount, RawToInt),

    30       new SmartAttribute(0xBB, SmartNames.UncorrectableErrorCount, RawToInt),

    31       new SmartAttribute(0xC2, SmartNames.Temperature, (byte[] raw, byte value)

    32         => { return value; }, SensorType.Temperature, 0, true),

    33       new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc),

    34       new SmartAttribute(0xC4, SmartNames.ReallocationEventCount, RawToInt),

    35       new SmartAttribute(0xE7, SmartNames.RemainingLife, null,

    36         SensorType.Level, 0),

    37       new SmartAttribute(0xE9, SmartNames.ControllerWritesToNAND, RawToInt,

    38         SensorType.Data, 0),

    39       new SmartAttribute(0xEA, SmartNames.HostWritesToController, RawToInt,

    40         SensorType.Data, 1),

    41       new SmartAttribute(0xF1, SmartNames.HostWrites, RawToInt,

    42         SensorType.Data, 1),

    43       new SmartAttribute(0xF2, SmartNames.HostReads, RawToInt,

    44         SensorType.Data, 2)

    45     };

    47     private Sensor writeAmplification;

    49     public SSDSandforce(ISmart smart, string name, string firmwareRevision,

    50       int index, ISettings settings)

    51       : base(smart, name, firmwareRevision,  index, smartAttributes, settings)

    52     {

    53       this.writeAmplification = new Sensor("Write Amplification", 1,

    54         SensorType.Factor, this, settings);

    55     }

    57     public override void UpdateAdditionalSensors(DriveAttributeValue[] values) {

    58       float? controllerWritesToNAND = null;

    59       float? hostWritesToController = null;

    60       foreach (DriveAttributeValue value in values) {

    61         if (value.Identifier == 0xE9)

    62           controllerWritesToNAND = RawToInt(value.RawValue, value.AttrValue);

    64         if (value.Identifier == 0xEA)

    65           hostWritesToController = RawToInt(value.RawValue, value.AttrValue);

    66       }

    67       if (controllerWritesToNAND.HasValue && hostWritesToController.HasValue) {

    68         if (hostWritesToController.Value > 0)

    69           writeAmplification.Value =

    70             controllerWritesToNAND.Value / hostWritesToController.Value;

    71         else

    72           writeAmplification.Value = 0;

    73         ActivateSensor(writeAmplification);

    74       }

    75     }

    76   }

    77 }

author	moel.mich
	Mon, 28 May 2012 10:39:30 +0000
changeset 350	6de77245e32b
parent 343	46b6b567f14f
child 374	ea86cea126bc
permissions	-rw-r--r--