public IntPtr OpenDrive(int driveNumber)
{
return(SystemCall.CreateFile(@"\\.\PhysicalDrive" + driveNumber,
AccessMode.Read | AccessMode.Write, ShareMode.Read | ShareMode.Write,
IntPtr.Zero, CreationMode.OpenExisting, FileAttribute.Device,
IntPtr.Zero));
}
public bool ReadNameAndFirmwareRevision(IntPtr handle, int driveNumber,
out string name, out string firmwareRevision)
{
var parameter = new DriveCommandParameter
{
DriveNumber = (byte)driveNumber,
Registers = { Command = RegisterCommand.IdCmd }
};
var valid = SystemCall.DeviceIoControl(handle,
DriveCommand.ReceiveDriveData, ref parameter, Marshal.SizeOf(parameter),
out DriveIdentifyResult result, Marshal.SizeOf(typeof(DriveIdentifyResult)),
out _, IntPtr.Zero);
if (!valid)
{
name = null;
firmwareRevision = null;
return(false);
}
name = GetString(result.Identify.ModelNumber);
firmwareRevision = GetString(result.Identify.FirmwareRevision);
return(true);
}
public bool EnableSmart(IntPtr handle, int driveNumber)
{
var parameter = new DriveCommandParameter
{
DriveNumber = (byte)driveNumber,
Registers =
{
Features = RegisterFeature.SmartEnableOperations,
LBAMid = SMART_LBA_MID,
LBAHigh = SMART_LBA_HI,
Command = RegisterCommand.SmartCmd
}
};
return(SystemCall.DeviceIoControl(handle, DriveCommand.SendDriveCommand,
ref parameter, Marshal.SizeOf(typeof(DriveCommandParameter)), out DriveCommandResult _,
Marshal.SizeOf(typeof(DriveCommandResult)), out _,
IntPtr.Zero));
}
public DriveAttributeValue[] ReadSmartData(IntPtr handle, int driveNumber)
{
var parameter = new DriveCommandParameter
{
DriveNumber = (byte)driveNumber,
Registers =
{
Features = RegisterFeature.SmartReadData,
LBAMid = SMART_LBA_MID,
LBAHigh = SMART_LBA_HI,
Command = RegisterCommand.SmartCmd
}
};
var isValid = SystemCall.DeviceIoControl(handle,
DriveCommand.ReceiveDriveData, ref parameter, Marshal.SizeOf(parameter),
out DriveSmartReadDataResult result, Marshal.SizeOf(typeof(DriveSmartReadDataResult)),
out _, IntPtr.Zero);
return(isValid ? result.Attributes : new DriveAttributeValue[0]);
}
public void CloseHandle(IntPtr handle)
{
SystemCall.CloseHandle(handle);
}