From: Tom Lendacky <thomas.lendacky@amd.com>
To: Mario Limonciello <mario.limonciello@amd.com>,
John Allen <john.allen@amd.com>,
Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S . Miller" <davem@davemloft.net>,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH v4 00/11] Add dynamic boost control support
Date: Wed, 21 Jun 2023 15:59:28 -0500 [thread overview]
Message-ID: <4a507dd3-620b-583e-2420-5bb28a377f6e@amd.com> (raw)
In-Reply-To: <20230608111757.32054-1-mario.limonciello@amd.com>
On 6/8/23 06:17, 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.
For the series:
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
>
> ---
> v3->v4:
> * Pick up tags
> * Move ioctl calls into a shared library used by python ctypes
>
> 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: 134e0dc6b73ab7e99464182356a8b3fa4ea3b499
prev parent reply other threads:[~2023-06-21 20:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-08 11:17 [PATCH v4 00/11] Add dynamic boost control support Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 01/11] crypto: ccp: Rename macro for security attributes Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 02/11] crypto: ccp: Add support for displaying PSP firmware versions Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 03/11] crypto: ccp: Add bootloader and TEE version offsets Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 04/11] crypto: ccp: move setting PSP master to earlier in the init Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 05/11] crypto: ccp: Add support for fetching a nonce for dynamic boost control Mario Limonciello
2023-06-23 8:14 ` Herbert Xu
2023-06-08 11:17 ` [PATCH v4 06/11] crypto: ccp: Add support for setting user ID " Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 07/11] crypto: ccp: Add support for getting and setting DBC parameters Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 08/11] crypto: ccp: Add a sample library for ioctl use Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 09/11] crypto: ccp: Add a sample python script for Dynamic Boost Control Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 10/11] crypto: ccp: Add unit tests for dynamic boost control Mario Limonciello
2023-06-08 11:17 ` [PATCH v4 11/11] crypto: ccp: Add Mario to MAINTAINERS Mario Limonciello
2023-06-21 20:59 ` Tom Lendacky [this message]
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