From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-4245-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [66.179.20.138]) by lists.oasis-open.org (Postfix) with ESMTP id 664E75818F1F for ; Fri, 1 Jun 2018 08:42:17 -0700 (PDT) Date: Fri, 1 Jun 2018 18:42:06 +0300 From: "Michael S. Tsirkin" Message-ID: <20180601184033-mutt-send-email-mst@kernel.org> References: <20180523151613.3914-1-venu.busireddy@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180523151613.3914-1-venu.busireddy@oracle.com> Subject: Re: [virtio-dev] [PATCH 0/1] Add "Group Identifier" to virtio PCI capabilities. To: Venu Busireddy Cc: virtio-dev@lists.oasis-open.org List-ID: On Wed, May 23, 2018 at 11:16:12AM -0400, Venu Busireddy wrote: > During live migration involving passthrough devices, the guest needs > to know which virtio device will be a fail-over device for a given > passthrough device. > > Extending the virtio specification with a new "Group Identifier" > capability allows qemu to set up the grouping at the time the guest > is created. The "Group Identifier" can be as simple as a number, or an > UUID. The driver can use the group identifier to pair the virtio device > with the passthrough device. The passthrough device can contain the > group identifier in the PCIe bridge to which it is attached. > > Venu Busireddy (1): > Add "Group Identifier" to virtio PCI capabilities. > > content.tex | 43 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 43 insertions(+) Is this a PCI thing, or can this somehow be used with non-PCI devices? If PCI, we can just add a PCI UUID capability to virtio without need to worry about the spec. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org > For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org