读取硬盘的物理序列号

//获得硬盘序列号

function GetIdeSerialNumber() : PChar; stdcall;

const

IDENTIFY_BUFFER_SIZE = 512;

type

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 for future use. Must be zero.

end;

TSendCmdInParams = packed record

// Buffer size in bytes

cBufferSize: DWORD;

// Structure with drive register values.

irDriveRegs: TIDERegs;

// Physical drive number to send command to (0,1,2,3).

bDriveNumber: BYTE;

bReserved: array[0..2] of Byte;

dwReserved: array[0..3] of DWORD;

bBuffer: array[0..0] of Byte; // Input buffer.

end;

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: DWORD;

wMultSectorStuff: Word;

ulTotalAddressableSectors: DWORD;

wSingleWordDMA: Word;

wMultiWordDMA: Word;

bReserved: array[0..127] of BYTE;

end;

PIdSector = ^TIdSector;

TDriverStatus = packed record

// 驱动器返回的错误代码，无错则返回0

bDriverError: Byte;

// IDE出错寄存器的内容，只有当bDriverError 为 SMART_IDE_ERROR 时有效

bIDEStatus: Byte;

bReserved: array[0..1] of Byte;

dwReserved: array[0..1] of DWORD;

end;

TSendCmdOutParams = packed record

// bBuffer的大小

cBufferSize: DWORD;

// 驱动器状态

DriverStatus: TDriverStatus;

// 用于保存从驱动器读出的数据的缓冲区，实际长度由cBufferSize决定

bBuffer: array[0..0] of BYTE;

end;

var

hDevice : THandle;

cbBytesReturned : DWORD;

SCIP : TSendCmdInParams;

aIdOutCmd : array[0..(SizeOf(TSendCmdOutParams) + IDENTIFY_BUFFER_SIZE - 1) - 1] of Byte;

IdOutCmd : TSendCmdOutParams absolute aIdOutCmd;

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;

begin

Result := ''; // 如果出错则返回空串

if SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then // Windows NT, Windows 2000

begin

// 提示! 改变名称可适用于其它驱动器，如第二个驱动器： '\\.\PhysicalDrive1\'

hDevice := CreateFile('\\.\PhysicalDrive0', GENERIC_READ or GENERIC_WRITE,

FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0);

end

else // Version Windows 95 OSR2, Windows 98

hDevice := CreateFile('\\.\SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0);

if hDevice = INVALID_HANDLE_VALUE then Exit;

try

FillChar(SCIP, SizeOf(TSendCmdInParams) - 1, #0);

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

cbBytesReturned := 0;

// Set up data structures for IDENTIFY command.

with SCIP do

begin

cBufferSize := IDENTIFY_BUFFER_SIZE;

// bDriveNumber := 0;

with irDriveRegs do

begin

bSectorCountReg := 1;

bSectorNumberReg := 1;

// if Win32Platform=VER_PLATFORM_WIN32_NT then bDriveHeadReg := $A0

// else bDriveHeadReg := $A0 or ((bDriveNum and 1) shl 4);

bDriveHeadReg := $A0;

bCommandReg := $EC;

end;

if not DeviceIoControl(hDevice, $0007C088, @SCIP, SizeOf(TSendCmdInParams) - 1,

@aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil) then Exit;

finally

CloseHandle(hDevice);

end;

with PIdSector(@IdOutCmd.bBuffer)^ do

begin

ChangeByteOrder(sSerialNumber, SizeOf(sSerialNumber));

(Pchar(@sSerialNumber) + SizeOf(sSerialNumber))^ := #0;

Result := Pchar(@sSerialNumber);

end;