[libvirt] ivshmem server
jyang at redhat.com
Wed Nov 21 04:44:10 UTC 2012
On 2012年11月21日 02:16, Andrew Jones wrote:
> This mail is meant to get a discussion started. Please keep me on cc
> for the discussion, as I'm not subscribed to libvir-list.
> ivshmem is an implementation of an inter-VM communication channel.
> Support for this has been in qemu since v0.14.0 and libvirt patches
> have been recently posted. What's still missing is the ivshmem
> server. The ivshmem server is needed when one would like to use
> interrupts with ivshmem. The server manages a set of eventfds
> to send/recv those interrupts. There is currently only one
> implementation of this server that I'm aware of, which is available
> from this git repo  in the ivshmem-server directory. My suggestion
> for libvirt is that this code be integrated into libvirt, rather
> than managed by libvirt, for the following reasons
> 1. libvirt should keep track of the socket path in order to build
> ivshmem's command line anyway.
> 2. the current ivshmem server code is ~300 lines, so it shouldn't be
> a large integration effort.
> 3. keeping ivhsmem server separate increases the package management
> that distributions need to do. afaik, it isn't currently packaged
> for any distribution.
> One concern I have with the git repo  is that I don't see any
> license for ivshmem-server. I've cc'ed Cam for his input.
Add the missed CC.
>  http://www.redhat.com/archives/libvir-list/2012-November/msg00731.html
>  git://gitorious.org/nahanni/guest-code.git
> libvir-list mailing list
> libvir-list at redhat.com
More information about the libvir-list