Sample Code
Windows Driver Samples/ IOCTL/ C++/ sys/ sioctl.h/
/*++ Copyright (c) 1997 Microsoft Corporation Module Name: SIOCTL.H Abstract: Defines the IOCTL codes that will be used by this driver. The IOCTL code contains a command identifier, plus other information about the device, the type of access with which the file must have been opened, and the type of buffering. Environment: Kernel mode only. --*/ // // Device type -- in the "User Defined" range." // #define SIOCTL_TYPE 40000 // // The IOCTL function codes from 0x800 to 0xFFF are for customer use. // #define IOCTL_SIOCTL_METHOD_IN_DIRECT \ CTL_CODE( SIOCTL_TYPE, 0x900, METHOD_IN_DIRECT, FILE_ANY_ACCESS ) #define IOCTL_SIOCTL_METHOD_OUT_DIRECT \ CTL_CODE( SIOCTL_TYPE, 0x901, METHOD_OUT_DIRECT , FILE_ANY_ACCESS ) #define IOCTL_SIOCTL_METHOD_BUFFERED \ CTL_CODE( SIOCTL_TYPE, 0x902, METHOD_BUFFERED, FILE_ANY_ACCESS ) #define IOCTL_SIOCTL_METHOD_NEITHER \ CTL_CODE( SIOCTL_TYPE, 0x903, METHOD_NEITHER , FILE_ANY_ACCESS ) #define DRIVER_FUNC_INSTALL 0x01 #define DRIVER_FUNC_REMOVE 0x02 #define DRIVER_NAME "SIoctl"
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