Daniel P. Berrange wrote: > On Wed, Apr 10, 2013 at 04:44:43AM +0200, Marek Marczykowski wrote: > >> --- >> src/libxl/libxl_conf.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++ >> src/libxl/libxl_conf.h | 2 ++ >> 2 files changed, 74 insertions(+) >> > > This needs todo more than just create the config. You need to use > the libvirt PCI APIs to validate that it is safe to assign the > devices requested, and track which devices are given to which > guest, to avoid concurrent assignemnt to 2 guests. Basically I'd > expect this to borrow all the code currently in the QMEU driver > related to the 'activePciHostdevs' and 'inactivePciHostdevs' > data structures. > Right. Chunyan already posted such a patch series [1], but Laine noted that it would be useful to maintain the state of PCI device assignment for coordination among multiple drivers. Chunyan posted a design [2] for a "hostdev passthrough driver", and IIRC she has started coding after receiving feedback from the list. Regards, Jim [1] https://www.redhat.com/archives/libvir-list/2013-January/msg00697.html [2] https://www.redhat.com/archives/libvir-list/2013-March/msg01331.html -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list