From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: DomU to Dom0 Communication in Xen HVM? Date: Wed, 18 Jul 2012 09:57:19 -0400 Message-ID: <20120718135719.GA18959@phenom.dumpdata.com> References: <06CF5C5966474DA1915009F8B6AA9223@LarryE6400> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <06CF5C5966474DA1915009F8B6AA9223@LarryE6400> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Larry White Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Tue, Jul 17, 2012 at 11:22:28PM -0500, Larry White wrote: > I am new to Xen and want to provide simple communication between my DomU and > Dom0 environments. I just need to be able to pass a few bytes of > information back and forth between DomU and Dom0 while using some form of > event management to know when an update occurs so I can act on it. At > first, it appeared that using XenBus and XenStore might be the right > solution for this. However, after looking over the documentation, it seems > that XenBus and XenStore should only be used in a PVM Xen configuration, not > a HVM model like mine. Is this true? It can be done in HVM. > > > > What would be the best way to accomplish this? Is there any sample code > which demonstrates this for a HVM Xen environment? libvchan is your best bet. > > > > Any information regarding this would be greatly apprecated. > > > > Larry > > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel