No, the vtpm manager is implemented in mini-os and mini-os not has a driver for direct access to the physical tpm.
dom0 no longer takes any part of the vtpm communication paths.
________________________________________
From: Pasi Kärkkäinen [pasik@iki.fi]
Sent: Thursday, December 27, 2012 12:03 PM
To: Fioravante, Matthew E.
Cc: gavin; xen-users@lists.xen.org; xen-devel@lists.xen.org
Subject: Re: [Xen-devel] How to use the vTPM backend driver in the pv-ops kernel
On Thu, Dec 27, 2012 at 10:27:33AM -0500, Fioravante, Matthew E. wrote:
> The frontend driver is currently being ported to the latest kernel. You can
> find the patch cross listed here as well as the linux kernel mailing list.
>
> I have no plans to port the backend driver. If you need it you'll have to get it from the 2.6.18
> kernel and port it yourself.
>
Hmm.. are you still using 2.6.18 kernel in dom0 yourself?
-- Pasi
> ________________________________________
> From: xen-devel-bounces@lists.xen.org [xen-devel-bounces@lists.xen.org] On Behalf Of gavin [gbtux@126.com]
> Sent: Sunday, December 23, 2012 8:04 AM
> To: Pasi Kärkkäinen
> Cc: xen-users@lists.xen.org; xen-devel@lists.xen.org
> Subject: Re: [Xen-devel] How to use the vTPM backend driver in the pv-ops kernel
>
> Hi Pasi,
>
> Thank you very much for your information.
>
> Best Regards,
> Gavin
>
> At 2012-12-23 06:04:08,"Pasi Kärkkäinen" <pasik@iki.fi> wrote:
>
> >On Sun, Dec 23, 2012 at 01:50:16AM +0800, gavin wrote:
> >> Hi,
> >>
> >> I cannot find the vTPM config option CONFIG_XEN_TPMDEV_BACKEND in the
> >> config file of pv-ops kernel, such as kernel 2.6.32.50. However, this
> >> option exists in the config file of kernel version 2.6.18.8. I also cannot
> >> find the vTPM backed driver (such as
> >> linux-2.6.18-xen.hg/drivers/xen/tpmback ) in the pv-ops kernel.
> >> So, how can I configure and use the vTPM backend driver in kernel 2.6.32?
> >> Thank you for any advice.
> >>
> >
> >I don't think vtpm drivers were ported to 2.6.32 pvops.
> >Recently there has been work on porting the drivers to upstream Linux 3.x,
> >but they aren't merged yet iirc.
> >
> >If you need to use them with 2.6.32 you need to port them yourself..
> >
> >-- Pasi
> >
>
>
>
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