From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Larry White <lmw@satx.rr.com>
Cc: xen-devel@lists.xen.org
Subject: Re: DomU to Dom0 Communication in Xen HVM?
Date: Wed, 18 Jul 2012 09:57:19 -0400 [thread overview]
Message-ID: <20120718135719.GA18959@phenom.dumpdata.com> (raw)
In-Reply-To: <06CF5C5966474DA1915009F8B6AA9223@LarryE6400>
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
next prev parent reply other threads:[~2012-07-18 13:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-18 4:22 DomU to Dom0 Communication in Xen HVM? Larry White
2012-07-18 13:57 ` Konrad Rzeszutek Wilk [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-07-21 0:58 XenStore as a data transfer path? Larry White
2012-07-21 1:43 ` James Harper
2012-07-21 1:58 ` Larry White
2012-07-21 12:01 ` James Harper
2012-07-21 18:02 ` DomU to Dom0 Communication in Xen HVM? Larry White
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