/*++ BUILD Version: 0004    // Increment this if a change has global effects

    Copyright (c) 1992-1993  Microsoft Corporation

    Module Name:

    devioctl.h

    Revision History:

    -- */

 // begin_winioctl

 #ifndef _DEVIOCTL_

 #define _DEVIOCTL_

 // begin_ntddk begin_nthal begin_ntifs

 //

 // Define the various device type values.  Note that values used by Microsoft

 // Corporation are in the range 0-32767, and 32768-65535 are reserved for use

 // by customers.

 //

 #define DEVICE_TYPE ULONG

 #define FILE_DEVICE_BEEP                0x00000001

 #define FILE_DEVICE_CD_ROM              0x00000002

 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM  0x00000003

 #define FILE_DEVICE_CONTROLLER          0x00000004

 #define FILE_DEVICE_DATALINK            0x00000005

 #define FILE_DEVICE_DFS                 0x00000006

 #define FILE_DEVICE_DISK                0x00000007

 #define FILE_DEVICE_DISK_FILE_SYSTEM    0x00000008

 #define FILE_DEVICE_FILE_SYSTEM         0x00000009

 #define FILE_DEVICE_INPORT_PORT         0x0000000a

 #define FILE_DEVICE_KEYBOARD            0x0000000b

 #define FILE_DEVICE_MAILSLOT            0x0000000c

 #define FILE_DEVICE_MIDI_IN             0x0000000d

 #define FILE_DEVICE_MIDI_OUT            0x0000000e

 #define FILE_DEVICE_MOUSE               0x0000000f

 #define FILE_DEVICE_MULTI_UNC_PROVIDER  0x00000010

 #define FILE_DEVICE_NAMED_PIPE          0x00000011

 #define FILE_DEVICE_NETWORK             0x00000012

 #define FILE_DEVICE_NETWORK_BROWSER     0x00000013

 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014

 #define FILE_DEVICE_NULL                0x00000015

 #define FILE_DEVICE_PARALLEL_PORT       0x00000016

 #define FILE_DEVICE_PHYSICAL_NETCARD    0x00000017

 #define FILE_DEVICE_PRINTER             0x00000018

 #define FILE_DEVICE_SCANNER             0x00000019

 #define FILE_DEVICE_SERIAL_MOUSE_PORT   0x0000001a

 #define FILE_DEVICE_SERIAL_PORT         0x0000001b

 #define FILE_DEVICE_SCREEN              0x0000001c

 #define FILE_DEVICE_SOUND               0x0000001d

 #define FILE_DEVICE_STREAMS             0x0000001e

 #define FILE_DEVICE_TAPE                0x0000001f

 #define FILE_DEVICE_TAPE_FILE_SYSTEM    0x00000020

 #define FILE_DEVICE_TRANSPORT           0x00000021

 #define FILE_DEVICE_UNKNOWN             0x00000022

 #define FILE_DEVICE_VIDEO               0x00000023

 #define FILE_DEVICE_VIRTUAL_DISK        0x00000024

 #define FILE_DEVICE_WAVE_IN             0x00000025

 #define FILE_DEVICE_WAVE_OUT            0x00000026

 #define FILE_DEVICE_8042_PORT           0x00000027

 #define FILE_DEVICE_NETWORK_REDIRECTOR  0x00000028

 #define FILE_DEVICE_BATTERY             0x00000029

 #define FILE_DEVICE_BUS_EXTENDER        0x0000002a

 #define FILE_DEVICE_MODEM               0x0000002b

 #define FILE_DEVICE_VDM                 0x0000002c

 #define FILE_DEVICE_MASS_STORAGE        0x0000002d

 //

 // Macro definition for defining IOCTL and FSCTL function control codes.  Note

 // that function codes 0-2047 are reserved for Microsoft Corporation, and

 // 2048-4095 are reserved for customers.

 //

 #define CTL_CODE( DeviceType, Function, Method, Access ) (                 \

     ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method) \

 )

 //

 // Define the method codes for how buffers are passed for I/O and FS controls

 //

 #define METHOD_BUFFERED                 0

 #define METHOD_IN_DIRECT                1

 #define METHOD_OUT_DIRECT               2

 #define METHOD_NEITHER                  3

 //

 // Define the access check value for any access

 //

 //

 // The FILE_READ_ACCESS and FILE_WRITE_ACCESS constants are also defined in

 // ntioapi.h as FILE_READ_DATA and FILE_WRITE_DATA. The values for these

 // constants *MUST* always be in sync.

 //

 #define FILE_ANY_ACCESS                 0

 #define FILE_READ_ACCESS          ( 0x0001 )	// file & pipe

 #define FILE_WRITE_ACCESS         ( 0x0002 )	// file & pipe

 // end_ntddk end_nthal end_ntifs

 #endif				// _DEVIOCTL_

 // end_winioctl