Re: [virtio-dev] [PATCH v7] vsock: add vsock device

[Stefan Hajnoczi <stefanha@redhat.com>]

On Wed, Jun 20, 2018 at 06:19:28AM +0300, Michael S. Tsirkin wrote:
> On Thu, Aug 04, 2016 at 04:24:37PM +0100, Stefan Hajnoczi wrote:
> > The virtio vsock device is a zero-configuration socket communications
> > device.  It is designed as a guest<->host management channel suitable
> > for communicating with guest agents.
> > 
> > vsock is designed with the sockets API in mind and the driver is
> > typically implemented as an address family (at the same level as
> > AF_INET).  Applications written for the sockets API can be ported with
> > minimal changes (similar amount of effort as adding IPv6 support to an
> > IPv4 application).
> > 
> > Unlike the existing console device, which is also used for guest<->host
> > communication, multiple clients can connect to a server at the same time
> > over vsock.  This limitation requires console-based users to arbitrate
> > access through a single client.  In vsock they can connect directly and
> > do not have to synchronize with each other.
> > 
> > Unlike network devices, no configuration is necessary because the device
> > comes with its address in the configuration space.
> > 
> > The vsock device was prototyped by Gerd Hoffmann and Asias He.  I picked
> > the code and design up from them.
> > 
> > VIRTIO-151
> > 
> > Cc: Gerd Hoffmann <kraxel@redhat.com>
> > Cc: Asias He <asias.hejun@gmail.com>
> > Cc: Michael S. Tsirkin <mst@redhat.com>
> > Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> 
> It's been a while. Stefan, did the implementation change since then?
> If not shouldn't we vote on this?

I'll rebase and check it before sending the next revision.

Stefan

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