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Annotation of q_a/samples/ddk/instdrv/simpldrv.h, revision 1.1

1.1     ! root        1: /*++
        !             2: 
        !             3: Copyright (c) 1993  Microsoft Corporation
        !             4: 
        !             5: Module Name:
        !             6: 
        !             7:     simpldrv.h
        !             8: 
        !             9: Abstract:
        !            10: 
        !            11:     This module contains the PRIVATE (driver-only) definitions for the
        !            12:     code that implements the mono device driver.
        !            13: 
        !            14: Environment:
        !            15: 
        !            16:     Kernel & user mode
        !            17: 
        !            18: Revision History:
        !            19: 
        !            20:     06-25-93 : created
        !            21: 
        !            22: --*/
        !            23: 
        !            24: 
        !            25: 
        !            26: //
        !            27: // A structure representing the instance information associated with
        !            28: // a particular device
        !            29: //
        !            30: 
        !            31: typedef struct _DEVICE_EXTENSION
        !            32: {
        !            33:     ULONG  StateVariable;
        !            34: 
        !            35: } DEVICE_EXTENSION, *PDEVICE_EXTENSION;
        !            36: 
        !            37: 
        !            38: 
        !            39: //
        !            40: // Define the various device type values.  Note that values used by Microsoft
        !            41: // Corporation are in the range 0-32767, and 32768-65535 are reserved for use
        !            42: // by customers.
        !            43: //
        !            44: 
        !            45: #define FILE_DEVICE_SIMPLDRV  0x00008300
        !            46: 
        !            47: 
        !            48: 
        !            49: //
        !            50: // Macro definition for defining IOCTL and FSCTL function control codes.  Note
        !            51: // that function codes 0-2047 are reserved for Microsoft Corporation, and
        !            52: // 2048-4095 are reserved for customers.
        !            53: //
        !            54: 
        !            55: #define SIMPLDRV_IOCTL_INDEX  0x830
        !            56: 
        !            57: 
        !            58: 
        !            59: //
        !            60: // The MONO device driver IOCTLs
        !            61: //
        !            62: 
        !            63: #define IOCTL_SIMPLDRV_HELLO          CTL_CODE(FILE_DEVICE_SIMPLDRV,  \
        !            64:                                                SIMPLDRV_IOCTL_INDEX,  \
        !            65:                                                METHOD_BUFFERED,       \
        !            66:                                                FILE_ANY_ACCESS)

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