Как получить инфу о SCSI дисках?

Code:

program ScsiSN;

// PURPOSE: Simple console application that display SCSI harddisk serial number

{$APPTYPE CONSOLE}

uses

Windows, SysUtils;

//-------------------------------------------------------------

function GetDeviceHandle(sDeviceName: string): THandle;

begin

Result := CreateFile(PChar('\\.\' + sDeviceName),

   GENERIC_READ or GENERIC_WRITE,

   FILE_SHARE_READ or FILE_SHARE_WRITE,

   nil, OPEN_EXISTING, 0, 0)

end;

//-------------------------------------------------------------

function ScsiHddSerialNumber(DeviceHandle: THandle): string;

{$ALIGN ON}

type

TScsiPassThrough = record

   Length: Word;

   ScsiStatus: Byte;

   PathId: Byte;

   TargetId: Byte;

   Lun: Byte;

   CdbLength: Byte;

   SenseInfoLength: Byte;

   DataIn: Byte;

   DataTransferLength: ULONG;

   TimeOutValue: ULONG;

   DataBufferOffset: DWORD;

   SenseInfoOffset: ULONG;

   Cdb: array[0..15] of Byte;

end;

TScsiPassThroughWithBuffers = record

   spt: TScsiPassThrough;

   bSenseBuf: array[0..31] of Byte;

   bDataBuf: array[0..191] of Byte;

end;

{ALIGN OFF}

var

dwReturned: DWORD;

len: DWORD;

Buffer: array[0..SizeOf(TScsiPassThroughWithBuffers) +

SizeOf(TScsiPassThrough) - 1] of Byte;

sptwb: TScsiPassThroughWithBuffers absolute Buffer;

begin

Result := '';

FillChar(Buffer, SizeOf(Buffer), #0);

with sptwb.spt do

begin

   Length := SizeOf(TScsiPassThrough);

   CdbLength := 6; // CDB6GENERIC_LENGTH

   SenseInfoLength := 24;

   DataIn := 1; // SCSI_IOCTL_DATA_IN

   DataTransferLength := 192;

   TimeOutValue := 2;

   DataBufferOffset := PChar(@sptwb.bDataBuf) - PChar(@sptwb);

   SenseInfoOffset := PChar(@sptwb.bSenseBuf) - PChar(@sptwb);

   Cdb[0] := $12; // OperationCode := SCSIOP_INQUIRY;

   Cdb[1] := $01; // Flags := CDB_INQUIRY_EVPD;  Vital product data

   Cdb[2] := $80; // PageCode            Unit serial number

   Cdb[4] := 192; // AllocationLength

end;

len := sptwb.spt.DataBufferOffset + sptwb.spt.DataTransferLength;

if DeviceIoControl(DeviceHandle, $0004D004, @sptwb, SizeOf(TScsiPassThrough),

   @sptwb, len, dwReturned, nil)

   and ((PChar(@sptwb.bDataBuf) + 1)^ = #$80) then

   SetString(Result, PChar(@sptwb.bDataBuf) + 4,

     Ord((PChar(@sptwb.bDataBuf) + 3)^));

end;

/=============================================================

var

hDevice: THandle = 0;

sSerNum, sDeviceName: string;

begin

sDeviceName := ParamStr(1);

if sDeviceName = '' then

begin

   WriteLn;

   WriteLn('Display SCSI-2 device serial number.');

   WriteLn;

   WriteLn('Using:');

   WriteLn;

   if Win32Platform = VER_PLATFORM_WIN32_NT then // Windows NT/2000

     WriteLn('  ScsiSN PhysicalDrive0')

   else

     WriteLn('  ScsiSN C:');

   WriteLn('  ScsiSN Cdrom0');

   WriteLn('  ScsiSN Tape0');

   WriteLn;

   Exit;

end;

hDevice := GetDeviceHandle(sDeviceName);

if hDevice = INVALID_HANDLE_VALUE then

   WriteLn('Error on GetDeviceHandle: ', SysErrorMessage(GetLastError))

else

try

   sSerNum := ScsiHddSerialNumber(hDevice);

   if sSerNum = '' then

     WriteLn('Error on DeviceIoControl: ',

       SysErrorMessageGetLastError))

else

WriteLn('Device ' + sDeviceName

   + ' serial number = "', sSerNum, '"');

finally

CloseHandle(hDevice);

end;

end.