On Thu, Jun 25, 2020 at 08:42:21AM -0400, Stefan Berger wrote: > From: Stefan Berger <stefanb@xxxxxxxxxxxxx> > > 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@xxxxxxxxxxxxx> > Cc: linux-acpi@xxxxxxxxxxxxxxx > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Cc: Jiandi An <anjiandi@xxxxxxxxxxxxxx> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> /Jarkko
