moel@236: /*
moel@236:   
moel@236:   Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@236: 
moel@236:   The contents of this file are subject to the Mozilla Public License Version
moel@236:   1.1 (the "License"); you may not use this file except in compliance with
moel@236:   the License. You may obtain a copy of the License at
moel@236:  
moel@236:   http://www.mozilla.org/MPL/
moel@236: 
moel@236:   Software distributed under the License is distributed on an "AS IS" basis,
moel@236:   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@236:   for the specific language governing rights and limitations under the License.
moel@236: 
moel@236:   The Original Code is the Open Hardware Monitor code.
moel@236: 
moel@236:   The Initial Developer of the Original Code is 
moel@236:   Michael Möller <m.moeller@gmx.ch>.
moel@236:   Portions created by the Initial Developer are Copyright (C) 2010
moel@236:   the Initial Developer. All Rights Reserved.
moel@236: 
moel@236:   Contributor(s):
moel@236: 
moel@236:   Alternatively, the contents of this file may be used under the terms of
moel@236:   either the GNU General Public License Version 2 or later (the "GPL"), or
moel@236:   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@236:   in which case the provisions of the GPL or the LGPL are applicable instead
moel@236:   of those above. If you wish to allow use of your version of this file only
moel@236:   under the terms of either the GPL or the LGPL, and not to allow others to
moel@236:   use your version of this file under the terms of the MPL, indicate your
moel@236:   decision by deleting the provisions above and replace them with the notice
moel@236:   and other provisions required by the GPL or the LGPL. If you do not delete
moel@236:   the provisions above, a recipient may use your version of this file under
moel@236:   the terms of any one of the MPL, the GPL or the LGPL.
moel@236:  
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: }