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> > This patch set is the QEMU side implementation. > > > > The virtio-balloon is extended so that QEMU can get the free pages > > information from the guest through virtio. > > > > After getting the free pages information (a bitmap), QEMU can use it > > to filter out the guest's free pages in the ram bulk stage. This make > > the live migration

> > This patch set is the QEMU side implementation. > > > > The virtio-balloon is extended so that QEMU can get the free pages > > information from the guest through virtio. > > > > After getting the free pages information (a bitmap), QEMU can use it > > to filter out the guest's free pages in the ram bulk stage. This make > > the live migration

...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

Hi, Within following page : http://www.linux-kvm.org/page/Virtio-serial_API it's mentioned a link to "GetDevidePath" . Unfortunately link seems to be broken. Is there another way to get infos on how to enumerate ports ( on Windows guest) in order to retrieve a channel device newly created on the guest by adding it on the .xml configuration file ? Thank...

...right way to proceed ? Or did I miss something ? Thanks for help. Regards, J.P. De : Jean-Pierre Ribeauville Envoyé : mardi 8 septembre 2015 13:02 À : 'libvirt-users@redhat.com' Objet : Windows Guest ports enumeration .. Hi, Within following page : http://www.linux-kvm.org/page/Virtio-serial_API it's mentioned a link to "GetDevidePath" . Unfortunately link seems to be broken. Is there another way to get infos on how to enumerate ports ( on Windows guest) in order to retrieve a channel device newly created on the guest by adding it on the .xml configuration file ? Thank...

[Continuing the discussion from: http://lists.gnu.org/archive/html/qemu-devel/2011-01/msg02600.html Sent to libguestfs mailing list] What we are looking at is something like this: guestfish --rw -i LiveGuest [connected read-write to a live guest] ><fs> copy-in files /tmp This is not possible at the moment: it's causes disk corruption to write to disks attached to a live

...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 he...

...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 he...