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SubjectRe: [PATCH v2] acpi: update ACPI tables to match TCG ACPI specification.
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On Tuesday, June 09, 2015 07:25:25 PM Jarkko Sakkinen wrote:
> Updated struct acpi_table_tpm2 and struct acpi_table_tcpa to match the
> TCG ACPI specification.
>
> v2:
>
> - Do not remove struct acpi_tpm2_control
>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

Bob, I'm assuming that we'll be routing this one through upstream ACPICA.

If that's not the case and I should apply it directly, please let me know.


> ---
> include/acpi/actbl2.h | 5 ++---
> include/acpi/actbl3.h | 17 +++++++++++++----
> 2 files changed, 15 insertions(+), 7 deletions(-)
>
> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
> index cafdeb5..2f2b8a6 100644
> --- a/include/acpi/actbl2.h
> +++ b/include/acpi/actbl2.h
> @@ -1071,14 +1071,13 @@ enum acpi_spmi_interface_types {
> * TCPA - Trusted Computing Platform Alliance table
> * Version 1
> *
> - * Conforms to "TCG PC Specific Implementation Specification",
> - * Version 1.1, August 18, 2003
> + * Conforms to "TCG ACPI Specification for Family 1.2 and 2.0" 19 December 2014
> *
> ******************************************************************************/
>
> struct acpi_table_tcpa {
> struct acpi_table_header header; /* Common ACPI table header */
> - u16 reserved;
> + u16 platform_class; /* 0 for client and 1 for server platforms. */
> u32 max_log_length; /* Maximum length for the event log area */
> u64 log_address; /* Address of the event log area */
> };
> diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
> index 440ca81..8dd625c 100644
> --- a/include/acpi/actbl3.h
> +++ b/include/acpi/actbl3.h
> @@ -688,15 +688,24 @@ enum acpi_rasf_status {
> * TPM2 - Trusted Platform Module (TPM) 2.0 Hardware Interface Table
> * Version 3
> *
> - * Conforms to "TPM 2.0 Hardware Interface Table (TPM2)" 29 November 2011
> + * Conforms to "TCG ACPI Specification for Family 1.2 and 2.0" 19 December 2014
> *
> ******************************************************************************/
>
> +/* How to notify that there is a command available for processing. */
> +
> +enum acpi_tpm2_start_method {
> + ACPI_TPM2_SM_ACPI = 2,
> + ACPI_TPM2_SM_CRB = 7,
> + ACPI_TPM2_SM_CRB_AND_ACPI = 8,
> +};
> +
> struct acpi_table_tpm2 {
> struct acpi_table_header header; /* Common ACPI table header */
> - u32 flags;
> - u64 control_address;
> - u32 start_method;
> + u16 platform_class; /* 0 for client and 1 for server platforms */
> + u16 reserved;
> + u64 control_address; /* Physical address of the control area */
> + u32 start_method; /* Method to notify to start processing */
> };
>
> /* Control area structure (not part of table, pointed to by control_address) */
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


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