<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Exchange Server">  <style></style> </head> <body> <font face="Calibri" size="2"><span style="font-size:10.5pt;"> <div align="left" style="text-align:justify;">Hello,</div> <div>Qemu upstream had achieved USB Passthrough Device Autoconnect Feature for the guest. </div> <div>Such as a USB device is unplugged from the host then plugged back in to the same USB physical port. </div> <div> </div> <div>the patch was:</div> <div><font face="Times New Roman"><a href="https://lists.gnu.org/archive/html/qemu-devel/2011-05/msg02341.html"><font face="Calibri" color="blue"><u>https://lists.gnu.org/archive/html/qemu-devel/2011-05/msg02341.html</u></font></a></font></div> <div><font face="Times New Roman"> </font></div> <div>However, Libvirt has not provided such an interface that identifies a USB device for pass through with physical port, rather than the device number.</div> <div> </div> <div>Do you have any ideas or plans about this problem? Thanks in advance.</div> <div align="left" style="text-align:justify;"><font face="Times New Roman"> </font></div> <div>Best Regards,</div> <div>-WangYufei</div> <div align="left" style="text-align:justify;"><font face="Times New Roman"> </font></div> <div align="left" style="text-align:justify;"><font face="Times New Roman"> </font></div> <div align="left" style="text-align:justify;"><font face="Times New Roman"> </font></div> </span></font> </body> </html>