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Re: [Qemu-devel] [PATCH] acpi: Make TPM 2.0 with TIS available as MSFT01

From: Stefan Berger
Subject: Re: [Qemu-devel] [PATCH] acpi: Make TPM 2.0 with TIS available as MSFT0101
Date: Mon, 28 Jan 2019 16:53:12 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 1/28/19 12:49 PM, Michael S. Tsirkin wrote:
On Mon, Jan 28, 2019 at 12:19:37PM -0500, Stefan Berger wrote:
On 1/28/19 11:14 AM, Stefan Berger wrote:
On 1/28/19 9:45 AM, Igor Mammedov wrote:
On Fri, 25 Jan 2019 16:00:58 -0500
Stefan Berger <address@hidden> wrote:

This patch makes the a TPM 2.0 with TIS interface available under the
HID 'MSF0101'. This is supported by Linux and also Windows now
MSF0101 is relatively recent addition to Linux,
are there in wild (old) kernels that worked with PNP0C31 but won't work
with MSF0101?

Linux 4.3.4 and later references this HID here:
. I don't see it before that. A 3.10 kernel works with this patch as

... that 3.10 kernel from el7 has been patched, though.

.. and supports the new HID.

And this spec here also speaks for it: https://trustedcomputinggroup.org/wp-content/uploads/PC-ClientSpecific_Platform_Profile_for_TPM_2p0_Systems_v51.pdf

See chapter 8.

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