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Re: [Qemu-devel] [PATCH v5 0/3] ivshmem: update documentation, add clien


From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] [PATCH v5 0/3] ivshmem: update documentation, add client/server tools
Date: Thu, 4 Sep 2014 18:40:24 +0300

On Thu, Sep 04, 2014 at 02:50:58PM +0200, David Marchand wrote:
> Here is a patchset containing an update on ivshmem specs documentation and
> importing ivshmem server and client tools.
> These tools have been written from scratch and are not related to what is
> available in nahanni repository.
> I put them in contrib/ directory as the qemu-doc.texi was already telling the
> server was supposed to be there.

I think it's a very nice patchset, and very useful.
Some comments on the patches follow.

> Changes since v4:
> - squashed patches 3-13 from v4 into first patch
> - reused reported error when parsing arguments in server
> - fixed spelling mistakes in documentation in second patch
> 
> Changes since v3:
> - first patch is untouched
> - just restored the Reviewed-By Claudio in second patch
> - following patches 3-8 take into account Stefan's comments
> - patches 9-12 take into account Gonglei's comments
> - patch 13 adjusts ivshmem-server default values
> - last patch introduces a change in the ivshmem client-server protocol to
>   check a protocol version at connect time
> 
> Changes since v2:
> - fixed license issues in ivshmem client/server (I took hw/virtio/virtio-rng.c
>   file as a reference).
> 
> Changes since v1:
> - moved client/server import patch before doc update,
> - tried to re-organise the ivshmem_device_spec.txt file based on Claudio
>   comments (still not sure if the result is that great, comments welcome),
> - incorporated comments from Claudio, Eric and Cam,
> - added more details on the server <-> client messages exchange (but sorry, no
>   ASCII art here).
> 
> By the way, there are still some functionnalities that need description (use 
> of
> ioeventfd, the lack of irqfd support) and some parts of the ivshmem code 
> clearly
> need cleanup. I will try to address this in future patches when these first
> patches are ok.
> 
> 
> -- 
> David Marchand
> 
> David Marchand (3):
>   contrib: add ivshmem client and server
>   docs: update ivshmem device spec
>   ivshmem: add check on protocol version in QEMU
> 
>  Makefile                                |    8 +
>  configure                               |    3 +
>  contrib/ivshmem-client/ivshmem-client.c |  413 
> +++++++++++++++++++++++++++++++
>  contrib/ivshmem-client/ivshmem-client.h |  240 ++++++++++++++++++
>  contrib/ivshmem-client/main.c           |  237 ++++++++++++++++++
>  contrib/ivshmem-server/ivshmem-server.c |  402 ++++++++++++++++++++++++++++++
>  contrib/ivshmem-server/ivshmem-server.h |  187 ++++++++++++++
>  contrib/ivshmem-server/main.c           |  244 ++++++++++++++++++
>  docs/specs/ivshmem_device_spec.txt      |  127 +++++++---
>  hw/misc/ivshmem.c                       |   43 +++-
>  include/hw/misc/ivshmem.h               |   17 ++
>  qemu-doc.texi                           |   10 +-
>  12 files changed, 1888 insertions(+), 43 deletions(-)
>  create mode 100644 contrib/ivshmem-client/ivshmem-client.c
>  create mode 100644 contrib/ivshmem-client/ivshmem-client.h
>  create mode 100644 contrib/ivshmem-client/main.c
>  create mode 100644 contrib/ivshmem-server/ivshmem-server.c
>  create mode 100644 contrib/ivshmem-server/ivshmem-server.h
>  create mode 100644 contrib/ivshmem-server/main.c
>  create mode 100644 include/hw/misc/ivshmem.h
> 
> -- 
> 1.7.10.4
> 



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