moel@324: /*
moel@324:   
moel@324:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@324: 
moel@324:   The contents of this file are subject to the Mozilla Public License Version
moel@324:   1.1 (the "License"); you may not use this file except in compliance with
moel@324:   the License. You may obtain a copy of the License at
moel@324:  
moel@324:   http://www.mozilla.org/MPL/
moel@324: 
moel@324:   Software distributed under the License is distributed on an "AS IS" basis,
moel@324:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@324:   for the specific language governing rights and limitations under the License.
moel@324: 
moel@324:   The Original Code is the Open Hardware Monitor code.
moel@324: 
moel@324:   The Initial Developer of the Original Code is 
moel@324:   Michael Möller <m.moeller@gmx.ch>.
moel@325:   Portions created by the Initial Developer are Copyright (C) 2009-2012
moel@324:   the Initial Developer. All Rights Reserved.
moel@324: 
moel@324:   Contributor(s):
moel@324:     Paul Werelds
moel@324:  
moel@324:   Alternatively, the contents of this file may be used under the terms of
moel@324:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@324:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@324:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@324:   of those above. If you wish to allow use of your version of this file only
moel@324:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@324:   use your version of this file under the terms of the MPL, indicate your
moel@324:   decision by deleting the provisions above and replace them with the notice
moel@324:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@324:   the provisions above, a recipient may use your version of this file under
moel@324:   the terms of any one of the MPL, the GPL or the LGPL.
moel@324:  
moel@324: */
moel@324: 
moel@324: namespace OpenHardwareMonitor.Hardware.HDD {
moel@324:   using System.Collections.Generic;
moel@324: 
moel@338:   [NamePrefix(""), RequireSmart(0xAB), RequireSmart(0xB1)]
moel@324:   internal class SSDSandforce : AbstractHarddrive {
moel@324: 
moel@324:     private static readonly IEnumerable<SmartAttribute> smartAttributes =
moel@324:       new List<SmartAttribute> {
moel@339:       new SmartAttribute(0x01, SmartNames.RawReadErrorRate),
moel@339:       new SmartAttribute(0x05, SmartNames.RetiredBlockCount, RawToInt),
moel@328:       new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),
moel@328:       new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),
moel@339:       new SmartAttribute(0xAB, SmartNames.ProgramFailCount, RawToInt),
moel@339:       new SmartAttribute(0xAC, SmartNames.EraseFailCount, RawToInt),
moel@339:       new SmartAttribute(0xAE, SmartNames.UnexpectedPowerLossCount, RawToInt),
moel@339:       new SmartAttribute(0xB1, SmartNames.WearRangeDelta, RawToInt),
moel@339:       new SmartAttribute(0xB5, SmartNames.AlternativeProgramFailCount, RawToInt),
moel@339:       new SmartAttribute(0xB6, SmartNames.AlternativeEraseFailCount, RawToInt),
moel@339:       new SmartAttribute(0xBB, SmartNames.UncorrectableErrorCount, RawToInt),
moel@340:       new SmartAttribute(0xC2, SmartNames.Temperature, (byte[] raw, byte value) 
moel@340:         => { return value; }, SensorType.Temperature, 0, true), 
moel@328:       new SmartAttribute(0xC3, SmartNames.UnrecoverableEcc), 
moel@339:       new SmartAttribute(0xC4, SmartNames.ReallocationEventCount, RawToInt),
moel@339:       new SmartAttribute(0xE7, SmartNames.RemainingLife, null, 
moel@339:         SensorType.Level, 0),
moel@339:       new SmartAttribute(0xE9, SmartNames.ControllerWritesToNAND, RawToInt,
moel@324:         SensorType.Data, 0),
moel@339:       new SmartAttribute(0xEA, SmartNames.HostWritesToController, RawToInt, 
moel@339:         SensorType.Data, 1),
moel@339:       new SmartAttribute(0xF1, SmartNames.HostWrites, RawToInt, 
moel@339:         SensorType.Data, 1),
moel@339:       new SmartAttribute(0xF2, SmartNames.HostReads, RawToInt, 
moel@339:         SensorType.Data, 2)
moel@324:     };
moel@324: 
moel@339:     private Sensor writeAmplification;
moel@339: 
moel@325:     public SSDSandforce(ISmart smart, string name, string firmwareRevision, 
moel@325:       int index, ISettings settings) 
moel@325:       : base(smart, name, firmwareRevision,  index, smartAttributes, settings) 
moel@339:     {
moel@339:       this.writeAmplification = new Sensor("Write Amplification", 1, 
moel@340:         SensorType.Factor, this, settings);    
moel@339:     }
moel@339: 
moel@339:     public override void UpdateAdditionalSensors(DriveAttributeValue[] values) {
moel@339:       float? controllerWritesToNAND = null;
moel@339:       float? hostWritesToController = null;
moel@339:       foreach (DriveAttributeValue value in values) {
moel@339:         if (value.Identifier == 0xE9)
moel@339:           controllerWritesToNAND = RawToInt(value.RawValue, value.AttrValue);
moel@339: 
moel@339:         if (value.Identifier == 0xEA)
moel@339:           hostWritesToController = RawToInt(value.RawValue, value.AttrValue);
moel@339:       }
moel@339:       if (controllerWritesToNAND.HasValue && hostWritesToController.HasValue) {
moel@340:         writeAmplification.Value = 
moel@339:           controllerWritesToNAND.Value / hostWritesToController.Value;
moel@339:         ActivateSensor(writeAmplification);
moel@339:       }
moel@339:     }
moel@324:   }
moel@324: }