www.pudn.com > Porttalk.rar > PortTalk_IOCTL.h

/******************************************************************************/ 
/*                                                                            */ 
/*                    PortTalk Driver for Windows NT/2000/XP                  */ 
/*                        Version 2.0, 12th January 2002                      */ 
/*                          http://www.beyondlogic.org                        */ 
/*                                                                            */ 
/* Copyright © 2002 Craig Peacock. Craig.Peacock@beyondlogic.org              */ 
/* Any publication or distribution of this code in source form is prohibited  */ 
/* without prior written permission of the copyright holder. This source code */ 
/* is provided "as is", without any guarantee made as to its suitability or   */ 
/* fitness for any particular use. Permission is herby granted to modify or   */ 
/* enhance this sample code to produce a derivative program which may only be */ 
/* distributed in compiled object form only.                                  */ 
/******************************************************************************/ 
 
#define PORTTALK_TYPE 40000 /* 32768-65535 are reserved for customers */ 
 
// The IOCTL function codes from 0x800 to 0xFFF are for customer use. 
 
#define IOCTL_IOPM_RESTRICT_ALL_ACCESS \ 
    CTL_CODE(PORTTALK_TYPE, 0x900, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define IOCTL_IOPM_ALLOW_EXCUSIVE_ACCESS \ 
    CTL_CODE(PORTTALK_TYPE, 0x901, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define IOCTL_SET_IOPM \ 
    CTL_CODE(PORTTALK_TYPE, 0x902, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define IOCTL_ENABLE_IOPM_ON_PROCESSID \ 
    CTL_CODE(PORTTALK_TYPE, 0x903, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define IOCTL_READ_PORT_UCHAR \ 
    CTL_CODE(PORTTALK_TYPE, 0x904, METHOD_BUFFERED, FILE_ANY_ACCESS) 
 
#define IOCTL_WRITE_PORT_UCHAR \ 
    CTL_CODE(PORTTALK_TYPE, 0x905, METHOD_BUFFERED, FILE_ANY_ACCESS)