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From: "Denis V. Lunev" <den@openvz.org>
Message-ID: <57330BF4.6040404@openvz.org>
Date: Wed, 11 May 2016 13:39:48 +0300
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Subject: Re: [Qemu-devel] [RFC for 2.7 0/2] virtio: show guest features in
 'info qtree'
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To: qemu-devel@nongnu.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>, Eric Blake <eblake@redhat.com>

On 05/11/2016 12:52 PM, Denis V. Lunev wrote:
> It is very convinient and useful for debug purpose to expose the set of
> features negotiated with guest. The patch exports those features via
> read-only bit properties.
>
> This patchset is a proof-of-concept on a base of virtio network device.
>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Michael S. Tsirkin <mst@redhat.com>
> CC: Eric Blake <eblake@redhat.com>
>
> Denis V. Lunev (2):
>    qdev: add read-only bit/bit64 property
>    virtio: show features acked by guest in 'info qtree' dump
>
>   hw/core/qdev-properties.c    | 29 +++++++++++++++++++++++++++--
>   hw/net/virtio-net.c          | 44 ++++++++++++++++++++++++++++++++++++++++++++
>   include/hw/qdev-properties.h | 18 ++++++++++++++++++
>   3 files changed, 89 insertions(+), 2 deletions(-)
>
alternatively, we can define new property type, which
will set bit in one place and shows the value of two bits.

Any suggestion would be welcome.

Den