Messages in this thread |  | | From | "Rafael J. Wysocki" <> | Date | Wed, 1 Apr 2020 11:05:36 +0200 | Subject | Re: [PATCH v3] acpi: Extend TPM2 ACPI table with missing log fields |
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On Wed, Apr 1, 2020 at 10:37 AM Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> wrote: > > On Tue, Mar 31, 2020 at 05:49:49PM -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. > > > > Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> > > Cc: linux-acpi@vger.kernel.org > > I think I'm cool with this but needs an ack from ACPI maintainer. > > Rafael, given that this not an intrusive change in any possible means, > can I pick this patch and put it to my next pull request?
Yes, please.
Thanks!
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