/// <summary>Get system device info structure</summary>
/// <param name="bytesReturned">Length of system device info</param>
/// <returns>System device info structure</returns>
private DiscAPI.SENDCMDOUTPARAMS GetDeviceInfo(out UInt32 bytesReturned)
{
DiscAPI.SENDCMDINPARAMS inParams = DiscAPI.SENDCMDINPARAMS.Create(false);
inParams.cBufferSize = Constant.BUFFER_SIZE;
inParams.irDriveRegs.bCommandReg = DiscAPI.IDEREGS.IDE.ID_CMD;
DiscAPI.SENDCMDOUTPARAMS outParams = this.DeviceIoControl(Constant.IOCTL_DISC.SMART_RCV_DRIVE_DATA,
inParams,
out bytesReturned);
return(outParams);
}
private DiscAPI.SENDCMDOUTPARAMS ReadAttributes(DiscAPI.IDEREGS.SMART featureReg)
{
DiscAPI.SENDCMDINPARAMS inParams = DiscAPI.SENDCMDINPARAMS.Create(true);
inParams.cBufferSize = Constant.BUFFER_SIZE;
inParams.irDriveRegs.bFeaturesReg = featureReg;
UInt32 bytesReturned;
return(this.DeviceIoControl(Constant.IOCTL_DISC.SMART_RCV_DRIVE_DATA,
inParams,
out bytesReturned));
}
/// <summary>Send device IO control command</summary>
/// <param name="inParams">In command params</param>
/// <param name="dwIoControlCode">Control code</param>
/// <param name="bytesReturned">Bytes returned from command operation</param>
/// <returns>Out device params</returns>
private DiscAPI.SENDCMDOUTPARAMS DeviceIoControl(UInt32 dwIoControlCode, DiscAPI.SENDCMDINPARAMS inParams, out UInt32 bytesReturned)
{
DiscAPI.SENDCMDOUTPARAMS result = this.Device.IoControl <DiscAPI.SENDCMDOUTPARAMS>(
(UInt32)dwIoControlCode,
inParams,
out bytesReturned);
if (result.DriverStatus.bDriverError != DiscAPI.DRIVERSTATUS.SMART_ERROR.NO_ERROR)
{
throw new InvalidOperationException(result.DriverStatus.bDriverError.ToString());
}
else
{
return(result);
}
}
