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[0/5] Enable PSP security attributes on more SoCs

Message ID 20240527152649.3722-1-mario.limonciello@amd.com
Headers show
Series Enable PSP security attributes on more SoCs | expand

Message

Mario Limonciello May 27, 2024, 3:26 p.m. UTC 
On some older SoCs the PSP doesn't export security attributes in the
capabilities register.  On these SoCs it is however possible to get
the information by a platform access command.

Restructure the driver to move all security attribute handling to
a central location and then add support for calling the platform
access command on those processors.

Mario Limonciello (5):
  crypto: ccp: Represent capabilities register as a union
  crypto: ccp: Move security attributes to their own file
  crypto: ccp: align psp_platform_access_msg
  crypto: ccp: Add support for getting security attributes on some older
    systems
  crypto: ccp: Move message about TSME being enabled later in init

 MAINTAINERS                         |   6 ++
 drivers/crypto/ccp/Makefile         |   3 +-
 drivers/crypto/ccp/dbc.c            |   2 +-
 drivers/crypto/ccp/hsti.c           | 138 ++++++++++++++++++++++++++++
 drivers/crypto/ccp/hsti.h           |  17 ++++
 drivers/crypto/ccp/psp-dev.c        |  23 ++---
 drivers/crypto/ccp/psp-dev.h        |  46 +++++-----
 drivers/crypto/ccp/sp-dev.h         |   2 +-
 drivers/crypto/ccp/sp-pci.c         |  65 ++-----------
 include/linux/psp-platform-access.h |   5 +-
 10 files changed, 208 insertions(+), 99 deletions(-)
 create mode 100644 drivers/crypto/ccp/hsti.c
 create mode 100644 drivers/crypto/ccp/hsti.h

Comments

Tom Lendacky May 28, 2024, 3:30 p.m. UTC | #1 
On 5/27/24 10:26, Mario Limonciello wrote:
> Making the capabilities register a union makes it easier to refer
> to the members instead of always doing bit shifts.
> 
> No intended functional changes.
> 
> Suggested-by: Yazen Ghannam <yazen.ghannam@amd.com>
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>

Acked-by: Tom Lendacky <thomas.lendacky@amd.com>

> ---