Re: [Qemu-devel] [PATCH 0/4] Image Streaming API

[Anthony Liguori]

On 08/23/2011 07:58 AM, Stefan Hajnoczi wrote:
> These patches put in place the image streaming QMP/HMP commands and
> documentation.  Image streaming itself is not implemented by this patch series
> but the HMP/QMP commands that libvirt uses are implemented to return
> NotSupported.
>
> The Image Streaming API can be used to copy the contents of a backing file into
> the image file while the guest is running.  The API is described on the wiki:
> http://wiki.qemu.org/Features/LiveBlockMigration/ImageStreamingAPI
>
> The point of this series is to commit QEMU to the API that we have worked out
> with libvirt.  The QED Image Streaming series that I posted earlier provides an
> implementation for the QED image format only.  I am currently working on a
> generic block layer implementation so that any format with backing file support
> can do image streaming.
>
> For reference, the QED-specific implementation lives here:
> http://repo.or.cz/w/qemu/stefanha.git/shortlog/refs/heads/stream-command

Luiz, can you bring this in through your tree with an Ack from Kevin.

Regards,

Anthony Liguori

> Stefan Hajnoczi (4):
>    qmp: add block_stream command
>    qmp: add block_job_set_speed command
>    qmp: add block_job_cancel command
>    qmp: add query-block-jobs
>
>   blockdev.c      |   55 ++++++++++++++++++
>   blockdev.h      |    6 ++
>   hmp-commands.hx |   44 ++++++++++++++
>   monitor.c       |   19 ++++++
>   monitor.h       |    1 +
>   qerror.h        |    3 +
>   qmp-commands.hx |  172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>   7 files changed, 300 insertions(+), 0 deletions(-)