static extern int DeviceIoControl( IntPtr hDevice, uint dwIoControlCode, ref SendCmdInParams lpInBuffer, uint nInBufferSize, ref SendCmdOutParams lpOutBuffer, uint nOutBufferSize, ref uint lpBytesReturned, [Out] IntPtr lpOverlapped);
/// <summary>
/// ��ȡ9X�ܹ���Ӳ����Ϣ
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HardDiskInfo GetHddInfo9x(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
IntPtr hDevice = CreateFile(
@"\\.\Smartvsd",
0,
0,
IntPtr.Zero,
CREATE_NEW,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("Open smartvsd.vxd failed.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed:DFP_GET_VERSION");
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don''t detect a ATAPI device.
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return GetHardDiskInfo(outParam.bBuffer);
}
private static HardDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// We start in NT/Win2000
// open a handle to PhysicalDriveN instead
IntPtr hDevice = CreateFile(@"\\.\PhysicalDrive0", FileAccess.ReadWrite, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, System.IO.FileAttributes.Normal, IntPtr.Zero);
//判断句柄是否无效
if (hDevice == IntPtr.Zero)
{
throw new Exception("CreateFile faild.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don’t detect a ATAPI device.
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don’t detect it.", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
private static extern int DeviceIoControl(IntPtr hDevice, uint dwIoControlCode, ref SendCmdInParams lpInBuffer,
uint nInBufferSize, ref SendCmdOutParams lpOutBuffer,
uint nOutBufferSize, ref uint lpBytesReturned,
[Out] IntPtr lpOverlapped);
/// <summary>
/// 获取9X架构的硬盘信息
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HardDiskInfo GetHddInfo9x(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
IntPtr hDevice = CreateFile(
@"\\.\Smartvsd",
0,
0,
IntPtr.Zero,
CREATE_NEW,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("Open smartvsd.vxd failed.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed:DFP_GET_VERSION");
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don''t detect a ATAPI device.
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
/// <summary>
/// 获取NT架构的硬盘信息
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HardDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// We start in NT/Win2000
IntPtr hDevice = CreateFile(
string.Format(@"\\.\PhysicalDrive{0}", driveIndex),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
IntPtr.Zero,
OPEN_EXISTING,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("CreateFile faild.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it.", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
/// <summary>
/// 获取在NT平台下指定序列号的硬盘信息。
/// </summary>
/// <param name="driveIndex">物理磁盘的数量。</param>
/// <returns></returns>
private static HDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// 使用 Win2000 或 Xp下的方法获取硬件信息
// 获取设备的句柄。
IntPtr hDevice =
CreateFile(string.Format(@"\\.\PhysicalDrive{0}", driveIndex), GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
// 开始检查
if (hDevice == IntPtr.Zero)
{
throw new UnauthorizedAccessException("执行 Win32 API 函数 CreateFile 失败。");
}
if (0 == DeviceIoControl(hDevice, SMART_GET_VERSION, IntPtr.Zero, 0, ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_GET_VERSION"));
}
// 检测IDE控制命令是否支持
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don't detect a ATAPI device.
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
SMART_RCV_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(
string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_RCV_DRIVE_DATA"));
}
CloseHandle(hDevice);
ChangeByteOrder(outParam.bBuffer.sModelNumber);
ChangeByteOrder(outParam.bBuffer.sSerialNumber);
ChangeByteOrder(outParam.bBuffer.sFirmwareRev);
return(GetHardDiskInfo(outParam.bBuffer));
}
/// <summary>
///
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HDiskInfo GetHddInfo9X(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
IntPtr hDevice = CreateFile(@"\\.\Smartvsd", 0, 0, IntPtr.Zero, CREATE_NEW, 0, IntPtr.Zero);
if (hDevice == IntPtr.Zero)
throw new UnauthorizedAccessException("打开 smartvsd.vxd 文件失败。");
if (0 == DeviceIoControl(hDevice, SMART_GET_VERSION,
IntPtr.Zero, 0,
ref vers, (uint)Marshal.SizeOf(vers), ref bytesReturned, IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_GET_VERSION"));
}
// 如果 IDE 的鉴定命令不被识别或失败
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
if (0 != (driveIndex & 1))
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
else
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// 检测出IDE为ATAPI类型，无法处理
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
else
inParam.irDriveRegs.bCommandReg = 0xec;
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = BUFFER_SIZE;
if (0 == DeviceIoControl(hDevice, SMART_RCV_DRIVE_DATA, ref inParam, (uint)Marshal.SizeOf(inParam), ref outParam, (uint)Marshal.SizeOf(outParam), ref bytesReturned, IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_RCV_DRIVE_DATA"));
}
// 关闭文件句柄
CloseHandle(hDevice);
ChangeByteOrder(outParam.bBuffer.sModelNumber);
ChangeByteOrder(outParam.bBuffer.sSerialNumber);
ChangeByteOrder(outParam.bBuffer.sFirmwareRev);
return GetHardDiskInfo(outParam.bBuffer);
}
/// <summary>
/// 获取在NT平台下指定序列号的硬盘信息。
/// </summary>
/// <param name="driveIndex">物理磁盘的数量。</param>
/// <returns></returns>
private static HDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// 使用 Win2000 或 Xp下的方法获取硬件信息
// 获取设备的句柄。
IntPtr hDevice =
CreateFile(string.Format(@"\\.\PhysicalDrive{0}", driveIndex), GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, IntPtr.Zero, OPEN_EXISTING, 0, IntPtr.Zero);
// 开始检查
if (hDevice == IntPtr.Zero)
throw new UnauthorizedAccessException("执行 Win32 API 函数 CreateFile 失败。");
if (0 == DeviceIoControl(hDevice, SMART_GET_VERSION, IntPtr.Zero, 0, ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_GET_VERSION"));
}
// 检测IDE控制命令是否支持
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
else
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// We don't detect a ATAPI device.
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
else
inParam.irDriveRegs.bCommandReg = 0xec;
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
SMART_RCV_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(
string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_RCV_DRIVE_DATA"));
}
CloseHandle(hDevice);
ChangeByteOrder(outParam.bBuffer.sModelNumber);
ChangeByteOrder(outParam.bBuffer.sSerialNumber);
ChangeByteOrder(outParam.bBuffer.sFirmwareRev);
return GetHardDiskInfo(outParam.bBuffer);
}
/// <summary>
///
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HDiskInfo GetHddInfo9X(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
IntPtr hDevice = CreateFile(@"\\.\Smartvsd", 0, 0, IntPtr.Zero, CREATE_NEW, 0, IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new UnauthorizedAccessException("打开 smartvsd.vxd 文件失败。");
}
if (0 == DeviceIoControl(hDevice, SMART_GET_VERSION,
IntPtr.Zero, 0,
ref vers, (uint)Marshal.SizeOf(vers), ref bytesReturned, IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_GET_VERSION"));
}
// 如果 IDE 的鉴定命令不被识别或失败
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
// 检测出IDE为ATAPI类型，无法处理
CloseHandle(hDevice);
throw new IOException(ResourcesApi.Win32_DeviceIoControlNotSupport);
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = BUFFER_SIZE;
if (0 == DeviceIoControl(hDevice, SMART_RCV_DRIVE_DATA, ref inParam, (uint)Marshal.SizeOf(inParam), ref outParam, (uint)Marshal.SizeOf(outParam), ref bytesReturned, IntPtr.Zero))
{
CloseHandle(hDevice);
throw new IOException(string.Format(ResourcesApi.Win32_DeviceIoControlErr, "SMART_RCV_DRIVE_DATA"));
}
// 关闭文件句柄
CloseHandle(hDevice);
ChangeByteOrder(outParam.bBuffer.sModelNumber);
ChangeByteOrder(outParam.bBuffer.sSerialNumber);
ChangeByteOrder(outParam.bBuffer.sFirmwareRev);
return(GetHardDiskInfo(outParam.bBuffer));
}
/// <summary>
/// 获取NT架构的硬盘信息
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HardDiskInfo GetHddInfoNt(byte driveIndex)
{
var vers = new GetVersionOutParams();
var inParam = new SendCmdInParams();
var outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// We start in NT/Win2000
var hDevice = CreateFile(
string.Format(@"\\.\PhysicalDrive{0}", driveIndex),
GenericRead | GenericWrite,
FileShareRead | FileShareWrite,
IntPtr.Zero,
OpenExisting,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("CreateFile faild.");
}
if (0 == DeviceIoControl(
hDevice,
DfpGetVersion,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it.", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DfpReceiveDriveData,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return(GetHardDiskInfo(outParam.bBuffer));
}
/// <summary>
/// ��ȡNT�ܹ���Ӳ����Ϣ
/// </summary>
/// <param name="driveIndex"></param>
/// <returns></returns>
private static HardDiskInfo GetHddInfoNT(byte driveIndex)
{
GetVersionOutParams vers = new GetVersionOutParams();
SendCmdInParams inParam = new SendCmdInParams();
SendCmdOutParams outParam = new SendCmdOutParams();
uint bytesReturned = 0;
// We start in NT/Win2000
IntPtr hDevice = CreateFile(
string.Format(@"\\.\PhysicalDrive{0}", driveIndex),
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
IntPtr.Zero,
OPEN_EXISTING,
0,
IntPtr.Zero);
if (hDevice == IntPtr.Zero)
{
throw new Exception("CreateFile faild.");
}
if (0 == DeviceIoControl(
hDevice,
DFP_GET_VERSION,
IntPtr.Zero,
0,
ref vers,
(uint)Marshal.SizeOf(vers),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
}
// If IDE identify command not supported, fails
if (0 == (vers.fCapabilities & 1))
{
CloseHandle(hDevice);
throw new Exception("Error: IDE identify command not supported.");
}
// Identify the IDE drives
if (0 != (driveIndex & 1))
{
inParam.irDriveRegs.bDriveHeadReg = 0xb0;
}
else
{
inParam.irDriveRegs.bDriveHeadReg = 0xa0;
}
if (0 != (vers.fCapabilities & (16 >> driveIndex)))
{
CloseHandle(hDevice);
throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it.", driveIndex + 1));
}
else
{
inParam.irDriveRegs.bCommandReg = 0xec;
}
inParam.bDriveNumber = driveIndex;
inParam.irDriveRegs.bSectorCountReg = 1;
inParam.irDriveRegs.bSectorNumberReg = 1;
inParam.cBufferSize = 512;
if (0 == DeviceIoControl(
hDevice,
DFP_RECEIVE_DRIVE_DATA,
ref inParam,
(uint)Marshal.SizeOf(inParam),
ref outParam,
(uint)Marshal.SizeOf(outParam),
ref bytesReturned,
IntPtr.Zero))
{
CloseHandle(hDevice);
throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
}
CloseHandle(hDevice);
return GetHardDiskInfo(outParam.bBuffer);
}
