Как получить инфу о SCSI дисках?
Как получить инфу о SCSI дисках?
programScsiSN;
// 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.
For more information about SCSI commands:
ftp://ftp.t10.org/t10/drafts/scsi-1/
ftp://ftp.t10.org/t10/drafts/spc/
ftp://ftp.t10.org/t10/drafts/spc2/