idesn.dpr

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program idesn;

// PURPOSE: Simple console application that extract first IDE disk serial number. 

{$APPTYPE CONSOLE} 

uses 
Windows, 
SysUtils; // only for Win32Platform and SysErrorMessage 

//------------------------------------------------------------- 
function GetIdeDiskSerialNumber : String;
type 
TSrbIoControl = packed record 
HeaderLength : ULONG; 
Signature : Array[0..7] of Char; 
Timeout : ULONG; 
ControlCode : ULONG; 
ReturnCode : ULONG; 
Length : ULONG; 
end; 
SRB_IO_CONTROL = TSrbIoControl; 
PSrbIoControl = ^TSrbIoControl; 

TIDERegs = packed record 
bFeaturesReg : Byte; // Used for specifying SMART "commands". 
bSectorCountReg : Byte; // IDE sector count register 
bSectorNumberReg : Byte; // IDE sector number register 
bCylLowReg : Byte; // IDE low order cylinder value 
bCylHighReg : Byte; // IDE high order cylinder value 
bDriveHeadReg : Byte; // IDE drive/head register 
bCommandReg : Byte; // Actual IDE command. 
bReserved : Byte; // reserved. Must be zero. 
end; 
IDEREGS = TIDERegs; 
PIDERegs = ^TIDERegs; 

TSendCmdInParams = packed record 
cBufferSize : DWORD; 
irDriveRegs : TIDERegs; 
bDriveNumber : Byte; 
bReserved : Array[0..2] of Byte; 
dwReserved : Array[0..3] of DWORD; 
bBuffer : Array[0..0] of Byte; 
end; 
SENDCMDINPARAMS = TSendCmdInParams; 
PSendCmdInParams = ^TSendCmdInParams; 

TIdSector = packed record 
wGenConfig : Word; 
wNumCyls : Word; 
wReserved : Word; 
wNumHeads : Word; 
wBytesPerTrack : Word; 
wBytesPerSector : Word; 
wSectorsPerTrack : Word; 
wVendorUnique : Array[0..2] of Word; 
sSerialNumber : Array[0..19] of Char; 
wBufferType : Word; 
wBufferSize : Word; 
wECCSize : Word; 
sFirmwareRev : Array[0..7] of Char; 
sModelNumber : Array[0..39] of Char; 
wMoreVendorUnique : Word; 
wDoubleWordIO : Word; 
wCapabilities : Word; 
wReserved1 : Word; 
wPIOTiming : Word; 
wDMATiming : Word; 
wBS : Word; 
wNumCurrentCyls : Word; 
wNumCurrentHeads : Word; 
wNumCurrentSectorsPerTrack : Word; 
ulCurrentSectorCapacity : ULONG; 
wMultSectorStuff : Word; 
ulTotalAddressableSectors : ULONG; 
wSingleWordDMA : Word; 
wMultiWordDMA : Word; 
bReserved : Array[0..127] of Byte; 
end; 
PIdSector = ^TIdSector; 

const 
IDE_ID_FUNCTION = $EC; 
IDENTIFY_BUFFER_SIZE = 512; 
DFP_RECEIVE_DRIVE_DATA = $0007c088; 
IOCTL_SCSI_MINIPORT = $0004d008; 
IOCTL_SCSI_MINIPORT_IDENTIFY = $001b0501; 
DataSize = sizeof(TSendCmdInParams)-1+IDENTIFY_BUFFER_SIZE; 
BufferSize = SizeOf(SRB_IO_CONTROL)+DataSize; 
W9xBufferSize = IDENTIFY_BUFFER_SIZE+16; 
var 
hDevice : THandle; 
cbBytesReturned : DWORD; 
pInData : PSendCmdInParams; 
pOutData : Pointer; // PSendCmdOutParams 
Buffer : Array[0..BufferSize-1] of Byte; 
srbControl : TSrbIoControl absolute Buffer; 

procedure ChangeByteOrder( var Data; Size : Integer ); 
var ptr : PChar; 
i : Integer; 
c : Char; 
begin 
ptr := @Data; 
for i := 0 to (Size shr 1)-1 do 
begin 
c := ptr^; 
ptr^ := (ptr+1)^; 
(ptr+1)^ := c; 
Inc(ptr,2); 
end; 
end; 

begin 
Result := ''; 
FillChar(Buffer,BufferSize,#0); 
if Win32Platform=VER_PLATFORM_WIN32_NT then 
begin // Windows NT, Windows 2000 
// Get SCSI port handle 
hDevice := CreateFile( '\\.\Scsi0:', 
GENERIC_READ or GENERIC_WRITE, 
FILE_SHARE_READ or FILE_SHARE_WRITE, 
nil, OPEN_EXISTING, 0, 0 ); 
if hDevice=INVALID_HANDLE_VALUE then Exit; 
try 
srbControl.HeaderLength := SizeOf(SRB_IO_CONTROL); 
System.Move('SCSIDISK',srbControl.Signature,8); 
srbControl.Timeout := 2; 
srbControl.Length := DataSize; 
srbControl.ControlCode := IOCTL_SCSI_MINIPORT_IDENTIFY; 
pInData := PSendCmdInParams(PChar(@Buffer) 
+SizeOf(SRB_IO_CONTROL)); 
pOutData := pInData; 
with pInData^ do 
begin 
cBufferSize := IDENTIFY_BUFFER_SIZE; 
bDriveNumber := 0; 
with irDriveRegs do 
begin 
bFeaturesReg := 0; 
bSectorCountReg := 1; 
bSectorNumberReg := 1; 
bCylLowReg := 0; 
bCylHighReg := 0; 
bDriveHeadReg := $A0; 
bCommandReg := IDE_ID_FUNCTION; 
end; 
end; 
if not DeviceIoControl( hDevice, IOCTL_SCSI_MINIPORT, 
@Buffer, BufferSize, @Buffer, BufferSize, 
cbBytesReturned, nil ) then Exit; 
finally 
CloseHandle(hDevice); 
end; 
end 
else 
begin // Windows 95 OSR2, Windows 98 
hDevice := CreateFile( '\\.\SMARTVSD', 0, 0, nil, 
CREATE_NEW, 0, 0 ); 
if hDevice=INVALID_HANDLE_VALUE then Exit; 
try 
pInData := PSendCmdInParams(@Buffer); 
pOutData := @pInData^.bBuffer; 
with pInData^ do 
begin 
cBufferSize := IDENTIFY_BUFFER_SIZE; 
bDriveNumber := 0; 
with irDriveRegs do 
begin 
bFeaturesReg := 0; 
bSectorCountReg := 1; 
bSectorNumberReg := 1; 
bCylLowReg := 0; 
bCylHighReg := 0; 
bDriveHeadReg := $A0; 
bCommandReg := IDE_ID_FUNCTION; 
end; 
end; 
if not DeviceIoControl( hDevice, DFP_RECEIVE_DRIVE_DATA, 
pInData, SizeOf(TSendCmdInParams)-1, pOutData, 
W9xBufferSize, cbBytesReturned, nil ) then Exit; 
finally 
CloseHandle(hDevice); 
end; 
end; 
with PIdSector(PChar(pOutData)+16)^ do 
begin 
ChangeByteOrder(sSerialNumber,SizeOf(sSerialNumber)); 
SetString(Result,sSerialNumber,SizeOf(sSerialNumber)); 
end; 
end; 


//============================================================= 
var s : String; 
rc : DWORD; 
begin 
s := GetIdeDiskSerialNumber; 
if s='' then 
begin 
rc := GetLastError; 
if rc=0 then WriteLn('IDE drive is not support SMART feature') 
else WriteLn(SysErrorMessage(rc)); 
end 
else WriteLn('Disk serial number: ''', s,''''); 
end.