diff options
| author | Thiebaud Weksteen <tweek@google.com> | 2017-09-20 10:13:40 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-01-08 12:58:35 +0200 |
| commit | 58cc1e4faf10a73c4302825ffd37a47d410fc1b5 (patch) | |
| tree | 11116081f88d7715e754baafe565603398fca5fe /drivers/char/tpm/tpm_eventlog_of.c | |
| parent | 33b6d03469b2206fb51ecc37f40411a857ad8fff (diff) | |
tpm: parse TPM event logs based on EFI table
If we are not able to retrieve the TPM event logs from the ACPI table,
check the EFI configuration table (Linux-specific GUID).
The format version of the log is now returned by the provider function.
Signed-off-by: Thiebaud Weksteen <tweek@google.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/tpm_eventlog_of.c')
| -rw-r--r-- | drivers/char/tpm/tpm_eventlog_of.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_eventlog_of.c b/drivers/char/tpm/tpm_eventlog_of.c index 4a2f8c79231e..96fd5646f866 100644 --- a/drivers/char/tpm/tpm_eventlog_of.c +++ b/drivers/char/tpm/tpm_eventlog_of.c @@ -76,5 +76,7 @@ int tpm_read_log_of(struct tpm_chip *chip) memcpy(log->bios_event_log, __va(base), size); - return 0; + if (chip->flags & TPM_CHIP_FLAG_TPM2) + return EFI_TCG2_EVENT_LOG_FORMAT_TCG_2; + return EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2; } |