[libvirt] [PATCH 07/20] qemu: Add newer shmem models

[Peter Krempa]

On Thu, Sep 15, 2016 at 18:14:32 +0200, Martin Kletzander wrote:
> The old ivshmem is deprecated in QEMU, so let's use the better
> ivshmem-{plain,doorbell} variants instead.
> 
> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> ---
>  docs/schemas/domaincommon.rng | 2 ++
>  src/conf/domain_conf.c        | 4 +++-
>  src/conf/domain_conf.h        | 2 ++
>  src/qemu/qemu_command.c       | 7 +++++++
>  4 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
> index fd7d52d72515..9827d6511781 100644
> --- a/docs/schemas/domaincommon.rng
> +++ b/docs/schemas/domaincommon.rng
> @@ -3598,6 +3598,8 @@
>              <attribute name="type">
>                <choice>
>                  <value>ivshmem</value>
> +                <value>ivshmem-plain</value>
> +                <value>ivshmem-doorbell</value>

I don't really like the qemu naming here but I don't have any better
idea.

>                </choice>
>              </attribute>
>            </element>

Also note that using the new device models when migrating to older
libvirt will break at the migration phase since older libvirt did not
parse the model. Not sure whether it's worth worrying about though since
this won't be used very much.

Peter