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/*
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>
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Copyright (C) 2010 Paul Werelds
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*/
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namespace OpenHardwareMonitor.Hardware.HDD {
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using System.Collections.Generic;
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[NamePrefix(""), RequireSmart(0xAB), RequireSmart(0xB1)]
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internal class SSDSandforce : AbstractHarddrive {
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private static readonly IEnumerable<SmartAttribute> smartAttributes =
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new List<SmartAttribute> {
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new SmartAttribute(0x01, SmartNames.RawReadErrorRate),
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new SmartAttribute(0x05, SmartNames.RetiredBlockCount, RawToInt),
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new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),
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new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),
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new SmartAttribute(0xAB, SmartNames.ProgramFailCount, RawToInt),
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new SmartAttribute(0xAC, SmartNames.EraseFailCount, RawToInt),
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new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount, RawToInt),
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new SmartAttribute(0xB1, SmartNames.WearRangeDelta, RawToInt),
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new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount, RawToInt),
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new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount, RawToInt),
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new SmartAttribute(0xBB, SmartNames.UncorrectableErrorCount, RawToInt),
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new SmartAttribute(0xC2, SmartNames.Temperature, (byte[] raw, byte value)
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=> { return value; }, SensorType.Temperature, 0, true),
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new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc),
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new SmartAttribute(0xC4, SmartNames.ReallocationEventCount, RawToInt),
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new SmartAttribute(0xE7, SmartNames.RemainingLife, null,
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SensorType.Level, 0),
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new SmartAttribute(0xE9, SmartNames.ControllerWritesToNAND, RawToInt,
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SensorType.Data, 0),
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new SmartAttribute(0xEA, SmartNames.HostWritesToController, RawToInt,
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SensorType.Data, 1),
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new SmartAttribute(0xF1, SmartNames.HostWrites, RawToInt,
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SensorType.Data, 1),
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new SmartAttribute(0xF2, SmartNames.HostReads, RawToInt,
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SensorType.Data, 2)
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};
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private Sensor writeAmplification;
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public SSDSandforce(ISmart smart, string name, string firmwareRevision,
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int index, ISettings settings)
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: base(smart, name, firmwareRevision, index, smartAttributes, settings)
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{
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this.writeAmplification = new Sensor("Write Amplification", 1,
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SensorType.Factor, this, settings);
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}
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public override void UpdateAdditionalSensors(DriveAttributeValue[] values) {
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float? controllerWritesToNAND = null;
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float? hostWritesToController = null;
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foreach (DriveAttributeValue value in values) {
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if (value.Identifier == 0xE9)
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controllerWritesToNAND = RawToInt(value.RawValue, value.AttrValue);
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if (value.Identifier == 0xEA)
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hostWritesToController = RawToInt(value.RawValue, value.AttrValue);
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}
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if (controllerWritesToNAND.HasValue && hostWritesToController.HasValue) {
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if (hostWritesToController.Value > 0)
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writeAmplification.Value =
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controllerWritesToNAND.Value / hostWritesToController.Value;
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else
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writeAmplification.Value = 0;
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ActivateSensor(writeAmplification);
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}
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}
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}
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}
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