linux-kernel - Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table

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Date:   Tue, 7 Jul 2020 07:03:25 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Stefan Berger <stefanb@...ux.ibm.com>
Cc:     Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in
 TPM2 ACPI table

On Mon, Jul 06, 2020 at 11:08:12PM -0400, Stefan Berger wrote:
> On 7/6/20 10:24 PM, Jarkko Sakkinen wrote:
> > On Mon, Jul 06, 2020 at 07:55:26PM -0400, Stefan Berger wrote:
> > > On 7/6/20 7:09 PM, Jarkko Sakkinen wrote:
> > > > On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote:
> > > > > From: Stefan Berger <stefanb@...ux.ibm.com>
> > > > > 
> > > > > In case a TPM2 is attached, search for a TPM2 ACPI table when trying
> > > > > to get the event log from ACPI. If one is found, use it to get the
> > > > > start and length of the log area. This allows non-UEFI systems, such
> > > > > as SeaBIOS, to pass an event log when using a TPM2.
> > > > > 
> > > > > Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
> > > > Do you think that QEMU with TPM 1.2 emulator turned on would be a viable
> > > > way to test this?
> > > 
> > > Yes.
> > Is the emulator bundled with QEMU or does it have to be installed
> > separately?
> 
> It has to be installed separately. On Fedora 31 it would just be a `sudo dnf
> -y install swtpm-tools` and you should be good to go with libvirt /
> virt-manager.

Is there some packaging for Debian/Ubuntu available?

/Jarkko