kernel/linux.git/Documentation/ABI/testing/sysfs-driver-ccp, branch linux-7.0.yLinux kernel stable tree (mirror)https://git.radix-linux.su/kernel/linux.git/atom?h=linux-7.0.y2026-02-06T10:36:08+00:00crypto: ccp - Add sysfs attribute for boot integrity2026-02-06T10:36:08+00:00Mario Limonciellomario.limonciello@amd.com2026-01-23T03:34:53+00:00urn:sha1:90f7520b76fab89852287d78ed7919a647c68c1d
The boot integrity attribute represents that the CPU or APU is used for the
hardware root of trust in the boot process. This bit only represents the
CPU/APU and some vendors have other hardware root of trust implementations
specific to their designs.
Link: https://github.com/fwupd/fwupd/pull/9825
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: ccp - Add support for displaying PSP firmware versions2023-07-20T10:13:16+00:00Mario Limonciellomario.limonciello@amd.com2023-06-23T13:49:52+00:00urn:sha1:2e424c33d8e748b65b683988f80e711cd6a7f619
As it's not always obvious what PSP bootloader or TEE version are
present in OEM systems, add the ability to get this information from
sysfs for supported platforms.
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto: ccp - Export PSP security bits to userspace2022-04-08T08:26:43+00:00Mario Limonciellomario.limonciello@amd.com2022-03-31T21:12:11+00:00urn:sha1:50c4decc1b15313afa31f9a99da0904fa9c9b071
The PSP sets several pre-defined bits in the capabilities
register to indicate that security attributes of the platform.
Export these attributes into userspace for administrators to
confirm platform is properly locked down.
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>