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>
Subject: Re: [PATCH v2 1/3] acpi: Extend TPM2 ACPI table with missing log fields
Date: Mon, 30 Mar 2020 22:28:57 +0300 [thread overview]
Message-ID: <20200330192830.GC1384380@linux.intel.com> (raw)
In-Reply-To: <20200330151536.871700-2-stefanb@linux.vnet.ibm.com>
On Mon, Mar 30, 2020 at 11:15:34AM -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 extend
> the existing structure with these fields to 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
>
> Adapt all existing table size calculations to use
> offsetof(struct acpi_table_tpm2, start_method_specific)
> [where start_method_specific is a newly added field]
> rather than sizeof(struct acpi_table_tpm2) so that the addition
> of the new fields does not affect current systems that may not
> have them.
>
Cc: linux-acpi@vger.kernel.org
> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
You have this comment:
/* Platform-specific data follows */
Can you elaborate a bit which platform you are speaking of? It is now
enabled for everything.
/Jarkko
next prev parent reply other threads:[~2020-03-30 19:29 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 15:15 [PATCH v2 0/3] tpm2: Make TPM2 logs accessible for non-UEFI firmware Stefan Berger
2020-03-30 15:15 ` [PATCH v2 1/3] acpi: Extend TPM2 ACPI table with missing log fields Stefan Berger
2020-03-30 19:28 ` Jarkko Sakkinen [this message]
2020-03-30 21:26 ` Stefan Berger
2020-03-31 11:55 ` Jarkko Sakkinen
2020-03-30 15:15 ` [PATCH v2 2/3] tpm: Rearrange ACPI log code to easier extend for TPM2 case Stefan Berger
2020-03-30 19:32 ` Jarkko Sakkinen
2020-03-30 21:12 ` Stefan Berger
2020-03-31 11:51 ` Jarkko Sakkinen
2020-03-30 15:15 ` [PATCH v2 3/3] tpm: Add support for ACPI logs from TPM2 ACPI table Stefan Berger
2020-03-30 19:54 ` Jarkko Sakkinen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200330192830.GC1384380@linux.intel.com \
--to=jarkko.sakkinen@linux.intel.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=stefanb@linux.ibm.com \
--cc=stefanb@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.