Re: [Xen-devel] [PATCH] [HVM] [TPM] [1/3] Add TPM TIS type of de

To:	Stefan Berger <stefanb@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] [HVM] [TPM] [1/3] Add TPM TIS type of device toACPI device list
From:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date:	Fri, 27 Oct 2006 17:25:30 +0100
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What if the guest isn’t configured with a TPM device? It seems a bit dodgy to advertise a non-existent device in the BIOS tables.

-- Keir

On 24/10/06 7:48 pm, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

This patch adds a TPM TIS type of device to the ACPI device list which
is supported for example by the Linux TPM TIS driver.
The specification describing this entry can be found here:

https://www.trustedcomputinggroup.org/specs/PCClient/TCG_PCClientImplementationforBIOS_1-20_1-00.pdf

Section 9 in the document describes the device entry.

Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxx>

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