[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_S
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net |
Date: |
Thu, 21 Jun 2018 16:59:13 +0200 |
On Wed, 20 Jun 2018 22:48:58 +0300
"Michael S. Tsirkin" <address@hidden> wrote:
> On Wed, Jun 20, 2018 at 06:06:19PM +0200, Cornelia Huck wrote:
> > In any case, I'm not sure anymore why we'd want the extra uuid.
>
> It's mostly so we can have e.g. multiple devices with same MAC
> (which some people seem to want in order to then use
> then with different containers).
>
> But it is also handy for when you assign a PF, since then you
> can't set the MAC.
>
OK, so what about the following:
- introduce a new feature bit, VIRTIO_NET_F_STANDBY_UUID that indicates
that we have a new uuid field in the virtio-net config space
- in QEMU, add a property for virtio-net that allows to specify a uuid,
offer VIRTIO_NET_F_STANDBY_UUID if set
- when configuring, set the property to the group UUID of the vfio-pci
device
- in the guest, use the uuid from the virtio-net device's config space
if applicable; else, fall back to matching by MAC as done today
That should work for all virtio transports.
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, (continued)
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/15
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/19
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/19
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/19
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/20
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net,
Cornelia Huck <=
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/21
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Siwei Liu, 2018/06/22
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Cornelia Huck, 2018/06/26
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net, Michael S. Tsirkin, 2018/06/26