Added support for PLEXTOR's host writes/reads

Hardware/HDD/SSDPlextor.cs

@@ -8,20 +8,30 @@
 	
 */
 
-namespace OpenHardwareMonitor.Hardware.HDD {
-  using System.Collections.Generic;
+using OpenHardwareMonitor.Collections;
 
-  [NamePrefix("PLEXTOR")]
+namespace OpenHardwareMonitor.Hardware.HDD
+{
+    using System.Collections.Generic;
+
+    [NamePrefix("PLEXTOR")]
   internal class SSDPlextor : AbstractHarddrive {
 
     private static readonly IEnumerable<SmartAttribute> smartAttributes =
       new List<SmartAttribute> {
       new SmartAttribute(0x09, SmartNames.PowerOnHours, RawToInt),
       new SmartAttribute(0x0C, SmartNames.PowerCycleCount, RawToInt),
+      new SmartAttribute(0xF1, SmartNames.HostWrites, RawToGb, SensorType.Data, 0, SmartNames.HostWrites),
+      new SmartAttribute(0xF2, SmartNames.HostReads, RawToGb, SensorType.Data, 1, SmartNames.HostReads),
     };
 
-    public SSDPlextor(ISmart smart, string name, string firmwareRevision, 
+        public SSDPlextor(ISmart smart, string name, string firmwareRevision, 
       int index, ISettings settings)
       : base(smart, name, firmwareRevision, index, smartAttributes, settings) {}
-  }
+
+        private static float RawToGb(byte[] rawvalue, byte value, IReadOnlyArray<IParameter> parameters)
+        {
+            return RawToInt(rawvalue, value, parameters) / 32;
+        }
+    }
 }