[libvirt] [PATCH 0/4] support for QEMU vhost-user

[Michele Paolino]

ping :)


On Wed, Jul 2, 2014 at 3:20 PM, Michele Paolino <
m.paolino at virtualopensystems.com> wrote:

> This series adds support for the QEMU vhost-user feature to libvirt.
> vhost-user enables the communication between a QEMU virtual machine
> and other userspace process using the Virtio transport protocol.
> It uses a char dev (e.g. Unix socket) for the control plane,
> while the data plane based on shared memory.
>
> The XML looks like:
>
>    <interface type='vhostuser'>
>       <source type='unix' path='/tmp/vhost.sock' mode='server'/>
>       <mac address='52:54:00:3b:83:1a'/>
>       <model type='virtio'/>
>    </interface>
>
> Our use case is the deployment of Snabbswitch in an OpenStack/NFV
> environment. Snabbswitch uses a Unix socket to implement the
> vhost-user control plane, thus we focused on the support for the
> type=unix attribute of the <source> element.
> To test it with Snabbswitch, it is necessary to apply the
> following patches (respectively from Chen Fan and Michele Paolino):
> http://www.redhat.com/archives/libvir-list/2014-June/msg01195.html
> http://www.redhat.com/archives/libvir-list/2014-June/msg01418.html
>
> It is also possible to directly checkout the Virtual Open Systems'
> libvirt repository(branch "vhost-user_support) at the address:
> https://github.com/virtualopensystems/libvirt.
>
> This patch is based on the previous work from Luke Gorrie:
> http://www.redhat.com/archives/libvir-list/2014-May/msg00934.html
>
> Michele Paolino (4):
>   vhost-user support: domain configuration
>   vhost-user support: qemu command-line
>   vhost-user support: tests and docs
>   vhost-user support: lxc,xenxs,uml
>
>  docs/formatdomain.html.in                          | 34 +++++++++
>  docs/schemas/domaincommon.rng                      | 39 +++++++++++
>  src/conf/domain_conf.c                             | 81
> ++++++++++++++++++++++
>  src/conf/domain_conf.h                             | 10 ++-
>  src/lxc/lxc_process.c                              |  1 +
>  src/qemu/qemu_command.c                            | 58 ++++++++++++++++
>  src/uml/uml_conf.c                                 |  5 ++
>  src/xenxs/xen_sxpr.c                               |  1 +
>  .../qemuxml2argv-net-vhostuser.args                |  7 ++
>  .../qemuxml2argv-net-vhostuser.xml                 | 33 +++++++++
>  tests/qemuxml2argvtest.c                           |  1 +
>  tests/qemuxml2xmltest.c                            |  1 +
>  12 files changed, 269 insertions(+), 2 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-vhostuser.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-vhostuser.xml
>
> --
> 1.9.3
>
>
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