From bff7f90bbe75ae37ba83e4e6566f686e19b99adc Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Mon, 5 Jun 2017 16:39:00 +0800 Subject: [PATCH] ACPICA: Add header support for TPM2 table changes ACPICA commit b922ecaf9053dae3b8933664e951ed1ee8f86f07 Update to new version of the TCG/ACPI spec. Does not include table compiler or disassembler support. Link: https://github.com/acpica/acpica/commit/b922ecaf Signed-off-by: Bob Moore Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- drivers/char/tpm/tpm_crb.c | 4 ++-- include/acpi/actbl2.h | 37 ++++++++++++++++++++++++++++++++++--- 2 files changed, 36 insertions(+), 5 deletions(-) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index b917b9d..5736778 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -564,12 +564,12 @@ static int crb_acpi_add(struct acpi_device *device) sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD) priv->flags |= CRB_FL_ACPI_START; - if (sm == ACPI_TPM2_COMMAND_BUFFER_WITH_SMC) { + if (sm == ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC) { if (buf->header.length < (sizeof(*buf) + sizeof(*crb_smc))) { dev_err(dev, FW_BUG "TPM2 ACPI table has wrong size %u for start method type %d\n", buf->header.length, - ACPI_TPM2_COMMAND_BUFFER_WITH_SMC); + ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC); return -EINVAL; } crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf, sizeof(*buf)); diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 724d9fc..707dda74 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -1221,7 +1221,8 @@ enum acpi_spmi_interface_types { * Version 2 * * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", - * December 19, 2014 + * Version 1.2, Revision 8 + * February 27, 2017 * * NOTE: There are two versions of the table with the same signature -- * the client version and the server version. The common platform_class @@ -1284,7 +1285,8 @@ struct acpi_table_tcpa_server { * Version 4 * * Conforms to "TCG ACPI Specification, Family 1.2 and 2.0", - * December 19, 2014 + * Version 1.2, Revision 8 + * February 27, 2017 * ******************************************************************************/ @@ -1305,7 +1307,36 @@ struct acpi_table_tpm2 { #define ACPI_TPM2_MEMORY_MAPPED 6 #define ACPI_TPM2_COMMAND_BUFFER 7 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD 8 -#define ACPI_TPM2_COMMAND_BUFFER_WITH_SMC 11 +#define ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC 11 /* V1.2 Rev 8 */ + +/* Trailer appears after any start_method subtables */ + +struct acpi_tpm2_trailer { + u32 minimum_log_length; /* Minimum length for the event log area */ + u64 log_address; /* Address of the event log area */ +}; + +/* + * Subtables (start_method-specific) + */ + +/* 11: Start Method for ARM SMC (V1.2 Rev 8) */ + +struct acpi_tpm2_arm_smc { + u32 global_interrupt; + u8 interrupt_flags; + u8 operation_flags; + u16 reserved; + u32 function_id; +}; + +/* Values for interrupt_flags above */ + +#define ACPI_TPM2_INTERRUPT_SUPPORT (1) + +/* Values for operation_flags above */ + +#define ACPI_TPM2_IDLE_SUPPORT (1) /******************************************************************************* * -- 2.7.4