> > Could provide more information on how to use virtio-serial to exchange > data? Thread , Wiki or code are all OK. > > I have not find some useful information yet. > > See this commit in the Linux sources: > > 108fc82596e3b66b819df9d28c1ebbc9ab5de14c > > that adds a way to send guest trace data over to the host. I think that's the > most relevant to your use-case. However, you'll have to add an in-kernel > user of virtio-serial (like the virtio-console code > -- the code that deals with tty and hvc currently). There's no other non-tty > user right now, and this is the right kind of use-case to add one for! > > For many other (userspace) use-cases, see the qemu-guest-agent in the > qemu sources. > > The API is documented in the wiki: > > http://www.linux-kvm.org/page/Virtio-serial_API > > and the feature pages have some information that may help as well: > > https://fedoraproject.org/wiki/Features/VirtioSerial > > There are some links in here too: > > http://log.amitshah.net/2010/09/communication-between-guests-and- > hosts/ > > Hope this helps. > > > Amit
Thanks a lot !! Liang
