From: Corey Bryant <coreyb@linux.vnet.ibm.com>
To: Jordi Cucurull Juan <jordi.cucurull@scytl.com>,
stefanb@linux.vnet.ibm.com
Cc: yoder1@us.ibm.com, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Is is possible to virtualise or share the TPM?
Date: Thu, 23 Aug 2012 16:05:31 -0400 [thread overview]
Message-ID: <50368D0B.7060402@linux.vnet.ibm.com> (raw)
In-Reply-To: <50336381.8040009@scytl.com>
On 08/21/2012 06:31 AM, Jordi Cucurull Juan wrote:
> Dear all,
>
> After applying the TPM patches to QEMU, I was wondering if it is
> possible to simultaneously use the TPM in more than one virtual machine,
> i.e. virtualisation of the TPM.
>
> According to the paper "Stefan Berger, Ramón Cáceres, Kenneth A.
> Goldman, Ronald Perez, Reiner Sailer, Leendert van Doorn. vTPM:
> Virtualizing the Trusted Platform Module" this seems to be possible in
> Xen. Is not possible in QEMU?
>
> Thanks!
> Jordi.
>
>
I don't think the pass-through driver supports use by multiple VMs.
Stefan Berger should be able to answer better so I'm adding him to the
thread.
--
Regards,
Corey
next prev parent reply other threads:[~2012-08-23 20:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-21 10:31 [Qemu-devel] Is is possible to virtualise or share the TPM? Jordi Cucurull Juan
2012-08-23 20:05 ` Corey Bryant [this message]
2012-08-29 12:57 ` Stefan Berger
2012-08-30 14:21 ` Jordi Cucurull Juan
2012-08-30 14:50 ` Stefan Berger
2012-08-30 15:40 ` Jordi Cucurull Juan
2012-08-30 16:17 ` Stefan Berger
2012-08-30 16:18 ` Stefan Berger
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