Great, thanks for the update. That'll certainly keep me moving forward in that direction.
I think at this time I can wait a while for it to be official. Thanks, David On Mon, Feb 16, 2015 at 3:36 AM, Martin Polednik <[email protected]> wrote: > > > ----- Original Message ----- > > From: "Lior Vernia" <[email protected]> > > To: "David Smith" <[email protected]> > > Cc: "users" <[email protected]>, "Martin Polednik" <[email protected]> > > Sent: Monday, February 16, 2015 9:15:41 AM > > Subject: Re: [ovirt-users] Directly connect NIC or other cards to VM? > > > > Hi David, > > > > On 13/02/15 01:28, David Smith wrote: > > > Is there a way to directly connect a specific device (ie, NIC) to a > > > particular VM? > > > > > > I've figured out how to map a specific network interface to a VM, thats > > > one step, but in the end I may need direct access to the PCI device > itself. > > > > I think this 3.6 feature might do exactly what you want: > > http://www.ovirt.org/Features/hostdev_passthrough > > > > It's gonna be a while before 3.6 is out, but once the feature is merged > > it'll be available if you install the nightly snapshot. CCing Martin > > Polednik, the feature owner. > > Hello, > > just on the status of the feature (as it's exactly what you require - > direct > pci device attachment) - the host side is hopefully ~week away from being > ready, the UI side will take longer though - if you wanted, you could > probably > run nightly and spawn the VM yourself and treat is as external VM. CCing > Martin > Betak, who is the one to blame for the UI :) > > You also need RHEL 7 (ideal support will be in 7.1) and I suggest reading > the chapter on IOMMU groups, as you might need to block (detach from host) > other devices than the nic in order to get it passed through. > > > > > > > Second to that, for network interfaces mapped to a particular VM, is > > > there a way for the VM to be able to properly detect physical link > state > > > of that interface? Right now that's a 'configurable option' inside > > > network interface settings on the VM in the manager (ie, plugged, not > > > plugged, and link state up /down) > > > > If I'm not mistaken, once you have direct access to the PCI device > > you'll be able to query for its actual state using e.g. ethtool. > > > > > > > > Thanks, > > > David > > > > > > > > > _______________________________________________ > > > Users mailing list > > > [email protected] > > > http://lists.ovirt.org/mailman/listinfo/users > > > > > >
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