From: Xiaoyan Zhang <redacted>
The Physical Presence Interface enables the OS and the BIOS to cooperate to
provide a simple and straightforward platform user experience for
administering the TPM without sacrificing security.
Xiaoyan Zhang (2):
Documentation: sysfs for Physical Presence Interface
driver: add PPI support in tpm driver
Documentation/ABI/testing/sysfs-driver-ppi | 70 +++++
drivers/char/tpm/Makefile | 2 +-
drivers/char/tpm/tpm.c | 5 +
drivers/char/tpm/tpm.h | 9 +
drivers/char/tpm/tpm_ppi.c | 460 ++++++++++++++++++++++++++++
5 files changed, 545 insertions(+), 1 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-driver-ppi
create mode 100644 drivers/char/tpm/tpm_ppi.c
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1.7.7.6