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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH] Vmchannel PCI device.
Date: Mon, 15 Dec 2008 00:41:42 +0000
References: <20081214115027.4028.56164.stgit@dhcp-1-237.tlv.redhat.com>
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To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, Gleb Natapov <gleb@redhat.com>

On Sunday 14 December 2008, Gleb Natapov wrote:
> There is a need for communication channel between host and various
> agents that are running inside a VM guest. The channel will be used
> for statistic gathering, logging, cut & paste, host screen resolution
> changes notification, guest configuration etc.

I thin the description you're looking for is "serial port" :-)

> The patch implements separate PCI device for this type of communication.
> To create a channel "-vmchannel channel:dev" option should be specified
> on qemu commmand line during VM launch.

Needs documentation.

Paul