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[Xen-devel] vTPM in dom0


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Tom Buhl" <malists@xxxxxx>
  • Date: Fri, 14 Mar 2008 13:52:09 +0100
  • Delivery-date: Fri, 14 Mar 2008 05:52:32 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi,

yesterday I posted a question to the xen-users list concerning usage of the TPM 
in dom0.
This is the original message:
"I am using Xen 3.2.0 and want to use the TPM in dom0. I have activated vtpm 
and everything runs fine in my domUs.
The question is, how can I access the TPM in dom0? As far as I know 
vtpm_managerd exclusively locks /dev/tpm0. As soon as I start vtpm_managerd my 
own program cannot access the TPM anymore. Is there a vtpm instance for dom0 
like the ones for the user domains?"

Anna Fischer replied with the suggestion to ask this list, if there has been 
any development recently in that direction. Is there a way to use the TPM in 
dom0?

Thanks in advance,

Tom
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