From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org,
linux-security-module@vger.kernel.org,
Stefan Berger <stefanb@linux.ibm.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Jiandi An <anjiandi@codeaurora.org>
Subject: Re: [PATCH v6 1/2] acpi: Extend TPM2 ACPI table with missing log fields
Date: Fri, 26 Jun 2020 00:26:46 +0300 [thread overview]
Message-ID: <20200625212646.GD20341@linux.intel.com> (raw)
In-Reply-To: <20200625124222.1954580-2-stefanb@linux.vnet.ibm.com>
On Thu, Jun 25, 2020 at 08:42:21AM -0400, Stefan Berger wrote:
> From: Stefan Berger <stefanb@linux.ibm.com>
>
> Recent extensions of the TPM2 ACPI table added 3 more fields
> including 12 bytes of start method specific parameters and Log Area
> Minimum Length (u32) and Log Area Start Address (u64). So, we define
> a new structure acpi_tpm2_phy that holds these optional new fields.
> The new fields allow non-UEFI systems to access the TPM2's log.
>
> The specification that has the new fields is the following:
> TCG ACPI Specification
> Family "1.2" and "2.0"
> Version 1.2, Revision 8
>
> https://trustedcomputinggroup.org/wp-content/uploads/TCG_ACPIGeneralSpecification_v1.20_r8.pdf
>
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> Cc: linux-acpi@vger.kernel.org
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Cc: Jiandi An <anjiandi@codeaurora.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
/Jarkko
next prev parent reply other threads:[~2020-06-25 21:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-25 12:42 [PATCH v6 0/2] tpm2: Make TPM2 logs accessible for non-UEFI firmware Stefan Berger
2020-06-25 12:42 ` [PATCH v6 1/2] acpi: Extend TPM2 ACPI table with missing log fields Stefan Berger
2020-06-25 21:26 ` Jarkko Sakkinen [this message]
2020-06-25 12:42 ` [PATCH v6 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table Stefan Berger
2020-06-25 21:35 ` Jarkko Sakkinen
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