Re: [PATCH v5 00/11] Add dynamic boost control support
From: Herbert Xu
Date: Fri Jul 14 2023 - 04:53:47 EST
On Fri, Jun 23, 2023 at 08:49:50AM -0500, Mario Limonciello wrote:
> Dynamic boost control is a feature of some SoCs that allows
> an authenticated entity to send commands to the security processor
> to control certain SOC characteristics with the intention to improve
> performance.
>
> This is implemented via a mechanism that a userspace application would
> authenticate using a nonce and key exchange over an IOCTL interface.
>
> After authentication is complete an application can exchange signed
> messages with the security processor and both ends can validate the
> data transmitted.
>
> This series includes a test suite that can be run on real hardware
> to ensure that the communication works as expected. This can also be
> used for an application to model the communication path.
>
> Two sysfs files are introduced for reading the PSP bootloader version
> as well as TEE version which can be useful data points for debugging
> communication problems.
>
> v4->v5:
> * Pick up tags
> * Pick up a static fix
> * Fix a mistake found in dbc_cli
>
> Mario Limonciello (11):
> crypto: ccp: Rename macro for security attributes
> crypto: ccp: Add support for displaying PSP firmware versions
> crypto: ccp: Add bootloader and TEE version offsets
> crypto: ccp: move setting PSP master to earlier in the init
> crypto: ccp: Add support for fetching a nonce for dynamic boost
> control
> crypto: ccp: Add support for setting user ID for dynamic boost control
> crypto: ccp: Add support for getting and setting DBC parameters
> crypto: ccp: Add a sample library for ioctl use
> crypto: ccp: Add a sample python script for Dynamic Boost Control
> crypto: ccp: Add unit tests for dynamic boost control
> crypto: ccp: Add Mario to MAINTAINERS
>
> Documentation/ABI/testing/sysfs-driver-ccp | 18 ++
> MAINTAINERS | 12 +
> drivers/crypto/ccp/Makefile | 3 +-
> drivers/crypto/ccp/dbc.c | 250 +++++++++++++++++++
> drivers/crypto/ccp/dbc.h | 56 +++++
> drivers/crypto/ccp/psp-dev.c | 19 +-
> drivers/crypto/ccp/psp-dev.h | 1 +
> drivers/crypto/ccp/sp-dev.h | 7 +
> drivers/crypto/ccp/sp-pci.c | 96 +++++++-
> include/linux/psp-platform-access.h | 4 +
> include/uapi/linux/psp-dbc.h | 147 ++++++++++++
> tools/crypto/ccp/.gitignore | 1 +
> tools/crypto/ccp/Makefile | 13 +
> tools/crypto/ccp/dbc.c | 72 ++++++
> tools/crypto/ccp/dbc.py | 64 +++++
> tools/crypto/ccp/dbc_cli.py | 134 +++++++++++
> tools/crypto/ccp/test_dbc.py | 266 +++++++++++++++++++++
> 17 files changed, 1146 insertions(+), 17 deletions(-)
> create mode 100644 drivers/crypto/ccp/dbc.c
> create mode 100644 drivers/crypto/ccp/dbc.h
> create mode 100644 include/uapi/linux/psp-dbc.h
> create mode 100644 tools/crypto/ccp/.gitignore
> create mode 100644 tools/crypto/ccp/Makefile
> create mode 100644 tools/crypto/ccp/dbc.c
> create mode 100644 tools/crypto/ccp/dbc.py
> create mode 100755 tools/crypto/ccp/dbc_cli.py
> create mode 100755 tools/crypto/ccp/test_dbc.py
>
>
> base-commit: b335f258e8ddafec0e8ae2201ca78d29ed8f85eb
> --
> 2.34.1
All applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt