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author | Thiebaud Weksteen <tweek@google.com> | 2017-09-20 11:13:40 +0300 |
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committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-01-08 13:58:35 +0300 |
commit | 58cc1e4faf10a73c4302825ffd37a47d410fc1b5 (patch) | |
tree | 11116081f88d7715e754baafe565603398fca5fe /drivers/char/tpm/tpm.h | |
parent | 33b6d03469b2206fb51ecc37f40411a857ad8fff (diff) | |
download | linux-58cc1e4faf10a73c4302825ffd37a47d410fc1b5.tar.xz |
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.h')
-rw-r--r-- | drivers/char/tpm/tpm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index d0f15c760fc7..c1866cc02e30 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -589,6 +589,14 @@ static inline int tpm_read_log_of(struct tpm_chip *chip) return -ENODEV; } #endif +#if defined(CONFIG_EFI) +int tpm_read_log_efi(struct tpm_chip *chip); +#else +static inline int tpm_read_log_efi(struct tpm_chip *chip) +{ + return -ENODEV; +} +#endif int tpm_bios_log_setup(struct tpm_chip *chip); void tpm_bios_log_teardown(struct tpm_chip *chip); |