From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Pirko Subject: Re: [RFC PATCH v3 0/3] Enable virtio_net to act as a backup for a passthru device Date: Wed, 28 Feb 2018 08:08:39 +0100 Message-ID: <20180228070839.GA19654@nanopsycho> References: <1518804682-16881-1-git-send-email-sridhar.samudrala@intel.com> <20180220104224.GA2031@nanopsycho> <20180227084959.GB2005@nanopsycho> <20180227134149.2bff667e@cakuba.netronome.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "Duyck, Alexander H" , virtio-dev@lists.oasis-open.org, "Michael S. Tsirkin" , Sridhar Samudrala , Alexander Duyck , virtualization@lists.linux-foundation.org, Siwei Liu , Netdev , David Miller To: Jakub Kicinski Return-path: Content-Disposition: inline In-Reply-To: <20180227134149.2bff667e@cakuba.netronome.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org Tue, Feb 27, 2018 at 10:41:49PM CET, kubakici@wp.pl wrote: >On Tue, 27 Feb 2018 13:16:21 -0800, Alexander Duyck wrote: >> Basically we need some sort of PCI or PCIe topology mapping for the >> devices that can be translated into something we can communicate over >> the communication channel. > >Hm. This is probably a completely stupid idea, but if we need to >start marshalling configuration requests/hints maybe the entire problem >could be solved by opening a netlink socket from hypervisor? Even make >teamd run on the hypervisor side... Interesting. That would be more trickier then just to fwd 1 genetlink socket to the hypervisor. Also, I think that the solution should handle multiple guest oses. What I'm thinking about is some generic bonding description passed over some communication channel into vm. The vm either use it for configuration, or ignores it if it is not smart enough/updated enough.