[PATCH v2] acpi: update ACPI tables to match TCG ACPI specification.

From: Jarkko Sakkinen
Date: Tue Jun 09 2015 - 12:44:54 EST


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@xxxxxxxxxxxxxxx>
---
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) */
--
2.1.4

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