From: David Gibson <david@gibson.dropbear.id.au>
To: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: thuth@linux.vnet.ibm.com, mst@redhat.com, qemu-devel@nongnu.org,
virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH RFC v6 05/20] virtio: support more feature bits
Date: Thu, 22 Jan 2015 12:43:43 +1100 [thread overview]
Message-ID: <20150122014343.GG27371@voom.fritz.box> (raw)
In-Reply-To: <1418304322-7546-6-git-send-email-cornelia.huck@de.ibm.com>
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On Thu, Dec 11, 2014 at 02:25:07PM +0100, Cornelia Huck wrote:
> With virtio-1, we support more than 32 feature bits. Let's extend both
> host and guest features to 64, which should suffice for a while.
>
> vhost and migration have been ignored for now.
[snip]
> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index f6c0379..08141c7 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -55,6 +55,12 @@
> /* A guest should never accept this. It implies negotiation is broken. */
> #define VIRTIO_F_BAD_FEATURE 30
>
> +/* v1.0 compliant. */
> +#define VIRTIO_F_VERSION_1 32
This is already in the kernel header, isn't it?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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WARNING: multiple messages have this Message-ID (diff)
From: David Gibson <david@gibson.dropbear.id.au>
To: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: thuth@linux.vnet.ibm.com, rusty@rustcorp.com.au, mst@redhat.com,
qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH RFC v6 05/20] virtio: support more feature bits
Date: Thu, 22 Jan 2015 12:43:43 +1100 [thread overview]
Message-ID: <20150122014343.GG27371@voom.fritz.box> (raw)
In-Reply-To: <1418304322-7546-6-git-send-email-cornelia.huck@de.ibm.com>
[-- Attachment #1: Type: text/plain, Size: 912 bytes --]
On Thu, Dec 11, 2014 at 02:25:07PM +0100, Cornelia Huck wrote:
> With virtio-1, we support more than 32 feature bits. Let's extend both
> host and guest features to 64, which should suffice for a while.
>
> vhost and migration have been ignored for now.
[snip]
> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index f6c0379..08141c7 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -55,6 +55,12 @@
> /* A guest should never accept this. It implies negotiation is broken. */
> #define VIRTIO_F_BAD_FEATURE 30
>
> +/* v1.0 compliant. */
> +#define VIRTIO_F_VERSION_1 32
This is already in the kernel header, isn't it?
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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next prev parent reply other threads:[~2015-01-22 1:43 UTC|newest]
Thread overview: 164+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 13:25 [PATCH RFC v6 00/20] qemu: towards virtio-1 host support Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 01/20] linux-headers/virtio_config: Update with VIRTIO_F_VERSION_1 Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 02/20] virtio: cull virtio_bus_set_vdev_features Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-22 1:24 ` David Gibson
2015-01-22 1:24 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 03/20] virtio: feature bit manipulation helpers Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-11 14:29 ` Thomas Huth
2014-12-11 14:29 ` [Qemu-devel] " Thomas Huth
2015-01-22 1:25 ` David Gibson
2015-01-22 1:25 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 04/20] virtio: add feature checking helpers Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-11 14:46 ` Thomas Huth
2014-12-11 14:46 ` [Qemu-devel] " Thomas Huth
2014-12-11 17:05 ` Michael S. Tsirkin
2014-12-11 17:05 ` [Qemu-devel] " Michael S. Tsirkin
2014-12-12 8:37 ` Cornelia Huck
2014-12-12 8:37 ` [Qemu-devel] " Cornelia Huck
2014-12-12 10:07 ` Cornelia Huck
2014-12-12 10:07 ` [Qemu-devel] " Cornelia Huck
2015-01-22 1:28 ` David Gibson
2015-01-22 1:28 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 05/20] virtio: support more feature bits Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-12 10:06 ` Thomas Huth
2014-12-12 10:06 ` [Qemu-devel] " Thomas Huth
2014-12-12 10:17 ` Cornelia Huck
2014-12-12 10:17 ` [Qemu-devel] " Cornelia Huck
2015-01-22 1:40 ` David Gibson
2015-01-22 1:40 ` David Gibson
2015-01-22 1:43 ` David Gibson [this message]
2015-01-22 1:43 ` David Gibson
2015-01-28 15:59 ` Cornelia Huck
2015-01-28 15:59 ` Cornelia Huck
2015-01-29 0:11 ` David Gibson
2015-01-29 0:11 ` David Gibson
2015-01-29 9:24 ` Thomas Huth
2015-01-29 9:24 ` Thomas Huth
2015-01-29 10:01 ` David Gibson
2015-01-29 10:01 ` David Gibson
2015-01-29 10:54 ` Michael S. Tsirkin
2015-01-29 10:54 ` Michael S. Tsirkin
2014-12-11 13:25 ` [PATCH RFC v6 06/20] virtio: endianness checks for virtio 1.0 devices Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 10:29 ` Stefan Hajnoczi
2015-01-20 10:29 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-22 1:54 ` David Gibson
2015-01-23 16:09 ` Greg Kurz
2015-01-23 16:09 ` Greg Kurz
2015-01-22 1:54 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 07/20] virtio: allow virtio-1 queue layout Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-22 2:06 ` David Gibson
2015-01-22 2:06 ` David Gibson
2015-01-28 16:07 ` Cornelia Huck
2015-01-28 16:07 ` Cornelia Huck
2015-01-29 0:14 ` David Gibson
2015-01-29 0:14 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 08/20] dataplane: allow virtio-1 devices Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 10:43 ` Stefan Hajnoczi
2015-01-20 10:43 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-20 12:56 ` Cornelia Huck
2015-01-20 12:56 ` [Qemu-devel] " Cornelia Huck
2015-01-20 14:47 ` Stefan Hajnoczi
2015-01-20 14:47 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-22 2:12 ` David Gibson
2015-01-22 2:12 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 09/20] s390x/css: Add a callback for when subchannel gets disabled Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 10:50 ` Stefan Hajnoczi
2015-01-20 10:50 ` [Qemu-devel] " Stefan Hajnoczi
2014-12-11 13:25 ` [PATCH RFC v6 10/20] s390x/virtio-ccw: add virtio set-revision call Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 11:00 ` Stefan Hajnoczi
2015-01-20 11:00 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-20 11:08 ` Stefan Hajnoczi
2015-01-20 11:08 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-21 11:23 ` Cornelia Huck
2015-01-21 11:23 ` [Qemu-devel] " Cornelia Huck
2015-01-21 11:51 ` Thomas Huth
2015-01-21 11:51 ` Thomas Huth
2015-01-21 12:39 ` Cornelia Huck
2015-01-21 12:39 ` Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 11/20] s390x/virtio-ccw: support virtio-1 set_vq format Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 11:06 ` Stefan Hajnoczi
2015-01-20 11:06 ` [Qemu-devel] " Stefan Hajnoczi
2014-12-11 13:25 ` [PATCH RFC v6 12/20] virtio: disallow late feature changes for virtio-1 Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-12 10:55 ` Thomas Huth
2014-12-12 10:55 ` [Qemu-devel] " Thomas Huth
2014-12-12 11:18 ` Cornelia Huck
2014-12-12 11:18 ` [Qemu-devel] " Cornelia Huck
2014-12-12 11:25 ` Thomas Huth
2014-12-12 11:25 ` [Qemu-devel] " Thomas Huth
2015-01-20 11:14 ` Stefan Hajnoczi
2015-01-20 11:14 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-22 2:15 ` David Gibson
2015-01-22 2:15 ` David Gibson
2014-12-11 13:25 ` [PATCH RFC v6 13/20] virtio: allow to fail setting status Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-30 12:25 ` Michael S. Tsirkin
2014-12-30 12:25 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-07 16:13 ` Cornelia Huck
2015-01-07 16:13 ` [Qemu-devel] " Cornelia Huck
2015-01-07 19:08 ` Michael S. Tsirkin
2015-01-07 19:08 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-08 7:20 ` Cornelia Huck
2015-01-08 7:20 ` [Qemu-devel] " Cornelia Huck
2015-01-08 8:09 ` Michael S. Tsirkin
2015-01-08 8:09 ` [Qemu-devel] " Michael S. Tsirkin
2014-12-11 13:25 ` [PATCH RFC v6 14/20] s390x/virtio-ccw: enable virtio 1.0 Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 11:15 ` Stefan Hajnoczi
2015-01-20 11:15 ` [Qemu-devel] " Stefan Hajnoczi
2014-12-11 13:25 ` [PATCH RFC v6 15/20] virtio-net: no writeable mac for virtio-1 Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 11:19 ` Stefan Hajnoczi
2015-01-20 11:19 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-22 16:31 ` Cornelia Huck
2015-01-22 16:31 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 16/20] virtio-net: support longer header Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2015-01-20 13:18 ` Stefan Hajnoczi
2015-01-20 13:18 ` [Qemu-devel] " Stefan Hajnoczi
2015-01-21 16:06 ` Cornelia Huck
2015-01-21 16:06 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 17/20] virtio-net: enable virtio 1.0 Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-16 13:10 ` Michael S. Tsirkin
2014-12-16 13:10 ` [Qemu-devel] " Michael S. Tsirkin
2014-12-18 16:57 ` Cornelia Huck
2014-12-18 16:57 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 18/20] virtio: support revision-specific features Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-28 8:32 ` Michael S. Tsirkin
2014-12-28 8:32 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-07 16:22 ` Cornelia Huck
2015-01-07 16:22 ` [Qemu-devel] " Cornelia Huck
2015-01-07 19:10 ` Michael S. Tsirkin
2015-01-07 19:10 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-30 14:08 ` Cornelia Huck
2015-01-30 14:08 ` [Qemu-devel] " Cornelia Huck
2015-02-01 21:29 ` Michael S. Tsirkin
2015-02-01 21:29 ` [Qemu-devel] " Michael S. Tsirkin
2015-02-02 14:10 ` Cornelia Huck
2015-02-02 14:10 ` [Qemu-devel] " Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 19/20] virtio-blk: revision specific feature bits Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
2014-12-28 10:24 ` Michael S. Tsirkin
2014-12-28 10:24 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-07 16:29 ` Cornelia Huck
2015-01-07 19:11 ` Michael S. Tsirkin
2015-01-07 19:11 ` [Qemu-devel] " Michael S. Tsirkin
2015-01-30 14:10 ` Cornelia Huck
2015-01-30 14:10 ` [Qemu-devel] " Cornelia Huck
2015-01-07 16:29 ` Cornelia Huck
2014-12-11 13:25 ` [PATCH RFC v6 20/20] vhost: 64 bit features Cornelia Huck
2014-12-11 13:25 ` [Qemu-devel] " Cornelia Huck
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