* DiscImageChef.Devices/Linux/Enums.cs:

* DiscImageChef.Devices/Linux/Extern.cs:
	* DiscImageChef.Devices/Linux/Structs.cs:
	  Since libata, ATA/ATAPI commands should be sent using
	  libata's SCSI/ATA Translation Layer, so remove HDIO ioctls.

	* DiscImageChef.Interop/DetectOS.cs:
	  Add code to detect if running under 32 or 64 bits.

DiscImageChef.Interop/DetectOS.cs

@@ -184,5 +184,21 @@ namespace DiscImageChef.Interop
                     }
             }
         }
+
+        /// <summary>
+        /// Checks if the underlying runtime runs in 64-bit mode
+        /// </summary>
+        public static bool Is64Bit()
+        {
+            return IntPtr.Size == 8;
+        }
+
+        /// <summary>
+        /// Checks if the underlying runtime runs in 32-bit mode
+        /// </summary>
+        public static bool Is32Bit()
+        {
+            return IntPtr.Size == 4;
+        }
     }
 }