From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wright <chrisw@sous-sol.org>
Subject: Re: inter VM / PF-VF communication
Date: Fri, 23 Sep 2011 11:15:24 -0700
Message-ID: <20110923181524.GW25596@sequoia.sous-sol.org>
References: <CAFwMWxu5y4kz8oxXtfZoiHbFoVOJXR7axMpovceMe8zCXGAraw@mail.gmail.com>
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To: Sagar Borikar <sagar.borikar@gmail.com>
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* Sagar Borikar (sagar.borikar@gmail.com) wrote:
> Sorry if I am not keeping up on the subject but wanted to know whether
> there is any effort going on for inter VM communication / PF-VF
> communication (in case of SR-IOV)
> I see that most of SR-IOV capable NIC supports mailboxes for that
> purpose to avoid the security hole.
> Xen has virtual device implementation for the same. Should I presume
> that such kind of effort is not on the radar and HW needs to own the
> responsibility of filling the loop holes in security threats imposed
> by VF?

We do not support this, and had no plans to.  Most cards have managed to
do this in hw.

thanks,
-chris