On Tue, Oct 29, 2013 at 7:51 AM, Shakil k <[email protected]> wrote:
> I am trying to prevent write from DomU for particular sector of hardisk > which is passed through QEMU device. > > I am putting an error condition in ide.c using API > ide_handle_write_error(s, -ret, BM_STATUS_ERROR) called from > ide_write_dma_cb, however DomU is still going ahead and writing to those > sectors. > Is there a way to prevent DomU from writing to certain sector of hard disk > as well as propagate those error back to DomU saying, "Write error" or some > message so that user is notified of error writing to certain sectors of > disk. > > I am not sure if my question is lost in heavy traffic, but can anyone respond as to how to prevent and propagate the error message from QEMU to DomU(Windows), I can block the write to certain sectors of hard drive, but not able to send the error message back to Windows. I want DomU users also to be notified in case of write errors to certain sectors. > > Regards > Shakil > ----------- >
