scsi.h

用于查询PC机上的USB端口是否有设备挂接上

/*++

Copyright (c) 1989  Microsoft Corporation

Module Name:

    scsi.h

Abstract:

    These are the structures and defines that are used in the
    SCSI port and class drivers.

Authors:

Revision History:

--*/
#ifndef _NTSCSI_
#define _NTSCSI_

#ifndef _NTSCSI_USER_MODE_
    #include "srb.h"
#endif // !defined _NTSCSI_USER_MODE_

// begin_ntminitape

//
// Command Descriptor Block. Passed by SCSI controller chip over the SCSI bus
//

typedef union _CDB {

    //
    // Generic 6-Byte CDB
    //

    struct _CDB6GENERIC {
       UCHAR  OperationCode;
       UCHAR  Immediate : 1;
       UCHAR  CommandUniqueBits : 4;
       UCHAR  LogicalUnitNumber : 3;
       UCHAR  CommandUniqueBytes[3];
       UCHAR  Link : 1;
       UCHAR  Flag : 1;
       UCHAR  Reserved : 4;
       UCHAR  VendorUnique : 2;
    } CDB6GENERIC, *PCDB6GENERIC;

    //
    // Standard 6-byte CDB
    //

    struct _CDB6READWRITE {
        UCHAR OperationCode;
        UCHAR LogicalBlockMsb1 : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR LogicalBlockMsb0;
        UCHAR LogicalBlockLsb;
        UCHAR TransferBlocks;
        UCHAR Control;
    } CDB6READWRITE, *PCDB6READWRITE;

    //
    // SCSI Inquiry CDB
    //

    struct _CDB6INQUIRY {
        UCHAR OperationCode;
        UCHAR Reserved1 : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR PageCode;
        UCHAR IReserved;
        UCHAR AllocationLength;
        UCHAR Control;
    } CDB6INQUIRY, *PCDB6INQUIRY;

    struct _CDB6VERIFY {
        UCHAR OperationCode;
        UCHAR Fixed : 1;
        UCHAR ByteCompare : 1;
        UCHAR Immediate : 1;
        UCHAR Reserved : 2;
        UCHAR LogicalUnitNumber : 3;
        UCHAR VerificationLength[3];
        UCHAR Control;
    } CDB6VERIFY, *PCDB6VERIFY;

    //
    // SCSI Format CDB
    //

    struct _CDB6FORMAT {
        UCHAR OperationCode;
        UCHAR FormatControl : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR FReserved1;
        UCHAR InterleaveMsb;
        UCHAR InterleaveLsb;
        UCHAR FReserved2;
    } CDB6FORMAT, *PCDB6FORMAT;

    //
    // Standard 10-byte CDB

    struct _CDB10 {
        UCHAR OperationCode;
        UCHAR RelativeAddress : 1;
        UCHAR Reserved1 : 2;
        UCHAR ForceUnitAccess : 1;
        UCHAR DisablePageOut : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR LogicalBlockByte0;
        UCHAR LogicalBlockByte1;
        UCHAR LogicalBlockByte2;
        UCHAR LogicalBlockByte3;
        UCHAR Reserved2;
        UCHAR TransferBlocksMsb;
        UCHAR TransferBlocksLsb;
        UCHAR Control;
    } CDB10, *PCDB10;

    //
    // Standard 12-byte CDB
    //

    struct _CDB12 {
        UCHAR OperationCode;
        UCHAR RelativeAddress : 1;
        UCHAR Reserved1 : 2;
        UCHAR ForceUnitAccess : 1;
        UCHAR DisablePageOut : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR LogicalBlock[4];      // [0]=MSB, [3]=LSB
        UCHAR TransferLength[4];    // [0]=MSB, [3]=LSB
        UCHAR Reserved2;
        UCHAR Control;
    } CDB12, *PCDB12;



    //
    // CD Rom Audio CDBs
    //

    struct _PAUSE_RESUME {
        UCHAR OperationCode;
        UCHAR Reserved1 : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved2[6];
        UCHAR Action;
        UCHAR Control;
    } PAUSE_RESUME, *PPAUSE_RESUME;

    //
    // Read Table of Contents
    //

    struct _READ_TOC {
        UCHAR OperationCode;
        UCHAR Reserved0 : 1;
        UCHAR Msf : 1;
        UCHAR Reserved1 : 3;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Format2 : 4;
        UCHAR Reserved2 : 4;
        UCHAR Reserved3[3];
        UCHAR StartingTrack;
        UCHAR AllocationLength[2];
        UCHAR Control : 6;
        UCHAR Format : 2;
    } READ_TOC, *PREAD_TOC;

    struct _READ_DISK_INFORMATION {
        UCHAR OperationCode;    // 0x51
        UCHAR Reserved1 : 5;
        UCHAR Lun : 3;
        UCHAR Reserved2[5];
        UCHAR AllocationLength[2];
        UCHAR Control;
    } READ_DISK_INFORMATION, *PREAD_DISK_INFORMATION;

    struct _READ_TRACK_INFORMATION {
        UCHAR OperationCode;    // 0x52
        UCHAR Track : 1;
        UCHAR Reserved1 : 3;
        UCHAR Reserved2 : 1;
        UCHAR Lun : 3;
        UCHAR BlockAddress[4];  // or Track Number
        UCHAR Reserved3;
        UCHAR AllocationLength[2];
        UCHAR Control;
    } READ_TRACK_INFORMATION, *PREAD_TRACK_INFORMATION;

    struct _READ_HEADER {
        UCHAR OperationCode;    // 0x44
        UCHAR Reserved1 : 1;
        UCHAR Msf : 1;
        UCHAR Reserved2 : 3;
        UCHAR Lun : 3;
        UCHAR LogicalBlockAddress[4];
        UCHAR Reserved3;
        UCHAR AllocationLength[2];
        UCHAR Control;
    } READ_HEADER, *PREAD_HEADER;

    struct _PLAY_AUDIO {
        UCHAR OperationCode;
        UCHAR Reserved1 : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR StartingBlockAddress[4];
        UCHAR Reserved2;
        UCHAR PlayLength[2];
        UCHAR Control;
    } PLAY_AUDIO, *PPLAY_AUDIO;

    struct _PLAY_AUDIO_MSF {
        UCHAR OperationCode;
        UCHAR Reserved1 : 5;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved2;
        UCHAR StartingM;
        UCHAR StartingS;
        UCHAR StartingF;
        UCHAR EndingM;
        UCHAR EndingS;
        UCHAR EndingF;
        UCHAR Control;
    } PLAY_AUDIO_MSF, *PPLAY_AUDIO_MSF;

    struct _PLAY_CD {
        UCHAR OperationCode;    // 0xBC
        UCHAR Reserved1 : 1;
        UCHAR CMSF : 1;         // LBA = 0, MSF = 1
        UCHAR ExpectedSectorType : 3;
        UCHAR Lun : 3;

        union {
            struct _LBA {
                UCHAR StartingBlockAddress[4];
                UCHAR PlayLength[4];
            } LBA;

            struct _MSF {
                UCHAR Reserved1;
                UCHAR StartingM;
                UCHAR StartingS;
                UCHAR StartingF;
                UCHAR EndingM;
                UCHAR EndingS;
                UCHAR EndingF;
                UCHAR Reserved2;
            } MSF;
        };

        UCHAR Audio : 1;
        UCHAR Composite : 1;
        UCHAR Port1 : 1;
        UCHAR Port2 : 1;
        UCHAR Reserved2 : 3;
        UCHAR Speed : 1;
        UCHAR Control;
    } PLAY_CD, *PPLAY_CD;

    struct _SCAN_CD {
        UCHAR OperationCode;    // 0xBA
        UCHAR RelativeAddress : 1;
        UCHAR Reserved1 : 3;
        UCHAR Direct : 1;
        UCHAR Lun : 3;
        UCHAR StartingAddress[4];
        UCHAR Reserved2[3];
        UCHAR Reserved3 : 6;
        UCHAR Type : 2;
        UCHAR Reserved4;
        UCHAR Control;
    } SCAN_CD, *PSCAN_CD;

    struct _STOP_PLAY_SCAN {
        UCHAR OperationCode;    // 0x4E
        UCHAR Reserved1 : 5;
        UCHAR Lun : 3;
        UCHAR Reserved2[7];
        UCHAR Control;
    } STOP_PLAY_SCAN, *PSTOP_PLAY_SCAN;


    //
    // Read SubChannel Data
    //

    struct _SUBCHANNEL {
        UCHAR OperationCode;
        UCHAR Reserved0 : 1;
        UCHAR Msf : 1;
        UCHAR Reserved1 : 3;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved2 : 6;
        UCHAR SubQ : 1;
        UCHAR Reserved3 : 1;
        UCHAR Format;
        UCHAR Reserved4[2];
        UCHAR TrackNumber;
        UCHAR AllocationLength[2];
        UCHAR Control;
    } SUBCHANNEL, *PSUBCHANNEL;

    //
    // Read CD. Used by Atapi for raw sector reads.
    //

    struct _READ_CD {
        UCHAR OperationCode;
        UCHAR RelativeAddress : 1;
        UCHAR Reserved0 : 1;
        UCHAR ExpectedSectorType : 3;
        UCHAR Lun : 3;
        UCHAR StartingLBA[4];
        UCHAR TransferBlocks[3];
        UCHAR Reserved2 : 1;
        UCHAR ErrorFlags : 2;
        UCHAR IncludeEDC : 1;
        UCHAR IncludeUserData : 1;
        UCHAR HeaderCode : 2;
        UCHAR IncludeSyncData : 1;
        UCHAR SubChannelSelection : 3;
        UCHAR Reserved3 : 5;
        UCHAR Control;
    } READ_CD, *PREAD_CD;

    struct _READ_CD_MSF {
        UCHAR OperationCode;
        UCHAR RelativeAddress : 1;
        UCHAR Reserved1 : 1;
        UCHAR ExpectedSectorType : 3;
        UCHAR Lun : 3;
        UCHAR Reserved2;
        UCHAR StartingM;
        UCHAR StartingS;
        UCHAR StartingF;
        UCHAR EndingM;
        UCHAR EndingS;
        UCHAR EndingF;
        UCHAR Reserved3;
        UCHAR Reserved4 : 1;
        UCHAR ErrorFlags : 2;
        UCHAR IncludeEDC : 1;
        UCHAR IncludeUserData : 1;
        UCHAR HeaderCode : 2;
        UCHAR IncludeSyncData : 1;
        UCHAR SubChannelSelection : 3;
        UCHAR Reserved5 : 5;
        UCHAR Control;
    } READ_CD_MSF, *PREAD_CD_MSF;

    //
    // Plextor Read CD-DA
    //

    struct _PLXTR_READ_CDDA {
        UCHAR OperationCode;
        UCHAR Reserved0 : 5;
        UCHAR LogicalUnitNumber :3;
        UCHAR LogicalBlockByte0;
        UCHAR LogicalBlockByte1;
        UCHAR LogicalBlockByte2;
        UCHAR LogicalBlockByte3;
        UCHAR TransferBlockByte0;
        UCHAR TransferBlockByte1;
        UCHAR TransferBlockByte2;
        UCHAR TransferBlockByte3;
        UCHAR SubCode;
        UCHAR Control;
    } PLXTR_READ_CDDA, *PPLXTR_READ_CDDA;

    //
    // NEC Read CD-DA
    //

    struct _NEC_READ_CDDA {
        UCHAR OperationCode;
        UCHAR Reserved0;
        UCHAR LogicalBlockByte0;
        UCHAR LogicalBlockByte1;
        UCHAR LogicalBlockByte2;
        UCHAR LogicalBlockByte3;
        UCHAR Reserved1;
        UCHAR TransferBlockByte0;
        UCHAR TransferBlockByte1;
        UCHAR Control;
    } NEC_READ_CDDA, *PNEC_READ_CDDA;

    //
    // Mode sense
    //

    struct _MODE_SENSE {
        UCHAR OperationCode;
        UCHAR Reserved1 : 3;
        UCHAR Dbd : 1;
        UCHAR Reserved2 : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR PageCode : 6;
        UCHAR Pc : 2;
        UCHAR Reserved3;
        UCHAR AllocationLength;
        UCHAR Control;
    } MODE_SENSE, *PMODE_SENSE;

    struct _MODE_SENSE10 {
        UCHAR OperationCode;
        UCHAR Reserved1 : 3;
        UCHAR Dbd : 1;
        UCHAR Reserved2 : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR PageCode : 6;
        UCHAR Pc : 2;
        UCHAR Reserved3[4];
        UCHAR AllocationLength[2];
        UCHAR Control;
    } MODE_SENSE10, *PMODE_SENSE10;

    //
    // Mode select
    //

    struct _MODE_SELECT {
        UCHAR OperationCode;
        UCHAR SPBit : 1;
        UCHAR Reserved1 : 3;
        UCHAR PFBit : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved2[2];
        UCHAR ParameterListLength;
        UCHAR Control;
    } MODE_SELECT, *PMODE_SELECT;

    struct _MODE_SELECT10 {
        UCHAR OperationCode;
        UCHAR SPBit : 1;
        UCHAR Reserved1 : 3;
        UCHAR PFBit : 1;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved2[5];
        UCHAR ParameterListLength[2];
        UCHAR Control;
    } MODE_SELECT10, *PMODE_SELECT10;

    struct _LOCATE {
        UCHAR OperationCode;
        UCHAR Immediate : 1;
        UCHAR CPBit : 1;
        UCHAR BTBit : 1;
        UCHAR Reserved1 : 2;
        UCHAR LogicalUnitNumber : 3;
        UCHAR Reserved3;
        UCHAR LogicalBlockAddress[4];
        UCHAR Reserved4;
        UCHAR Partition;
        UCHAR Control;
    } LOCATE, *PLOCATE;

    struct _LOGSENSE {
        UCHAR OperationCode;
        UCHAR SPBit : 1;
        UCHAR PPCBit : 1;
        UCHAR Reserved1 : 3;
        UCHAR LogicalUnitNumber : 3;
        UCHAR PageCode : 6;
        UCHAR PCBit : 2;
        UCHAR Reserved2;
        UCHAR Reserved3;
        UCHAR ParameterPointer[2];  // [0]=MSB, [1]=LSB
        UCHAR AllocationLength[2];  // [0]=MSB, [1]=LSB
        UCHAR Control;
    } LOGSENSE, *PLOGSENSE;

    struct _LOGSELECT {