moel@236: /*
moel@236:  
moel@344:   This Source Code Form is subject to the terms of the Mozilla Public
moel@344:   License, v. 2.0. If a copy of the MPL was not distributed with this
moel@344:   file, You can obtain one at http://mozilla.org/MPL/2.0/.
moel@236:  
moel@344:   Copyright (C) 2010 Michael Möller <mmoeller@openhardwaremonitor.org>
moel@344: 	
moel@236: */
moel@236: 
moel@236: using System;
moel@236: using System.Runtime.InteropServices;
moel@236: 
moel@236: namespace OpenHardwareMonitor.Hardware {
moel@236: 
moel@236:   [StructLayout(LayoutKind.Sequential, Pack = 1)]
moel@236:   internal struct IOControlCode {
moel@236:     private uint code;
moel@236: 
moel@236:     public IOControlCode(uint deviceType, uint function, Access access) :
moel@236:       this(deviceType, function, Method.Buffered, access) { }
moel@236: 
moel@236:     public IOControlCode(uint deviceType, uint function, Method method, 
moel@236:       Access access) 
moel@236:     {
moel@236:       code = (deviceType << 16) | 
moel@236:         ((uint)access << 14) | (function << 2) | (uint)method;
moel@236:     }
moel@236: 
moel@236:     public enum Method : uint {
moel@236:       Buffered = 0,
moel@236:       InDirect = 1,
moel@236:       OutDirect = 2,
moel@236:       Neither = 3
moel@236:     }
moel@236: 
moel@236:     public enum Access : uint {
moel@236:       Any = 0,
moel@236:       Read = 1,
moel@236:       Write = 2
moel@236:     }
moel@236:   }    
moel@236: }