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lf-6.6.y
linux-imx/Documentation/ABI/testing/sysfs-driver-ccp
Mario Limonciello 2e424c33d8 crypto: ccp - Add support for displaying PSP firmware versions 
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>
2023-07-20 22:13:16 +12:00

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What: /sys/bus/pci/devices//fused_part Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//fused_part file reports whether the CPU or APU has been fused to prevent tampering. 0: Not fused 1: Fused

What: /sys/bus/pci/devices//debug_lock_on Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//debug_lock_on reports whether the AMD CPU or APU has been unlocked for debugging. Possible values: 0: Not locked 1: Locked

What: /sys/bus/pci/devices//tsme_status Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//tsme_status file reports the status of transparent secure memory encryption on AMD systems. Possible values: 0: Not active 1: Active

What: /sys/bus/pci/devices//anti_rollback_status Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//anti_rollback_status file reports whether the PSP is enforcing rollback protection. Possible values: 0: Not enforcing 1: Enforcing

What: /sys/bus/pci/devices//rpmc_production_enabled Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//rpmc_production_enabled file reports whether Replay Protected Monotonic Counter support has been enabled. Possible values: 0: Not enabled 1: Enabled

What: /sys/bus/pci/devices//rpmc_spirom_available Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//rpmc_spirom_available file reports whether an Replay Protected Monotonic Counter supported SPI is installed on the system. Possible values: 0: Not present 1: Present

What: /sys/bus/pci/devices//hsp_tpm_available Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//hsp_tpm_available file reports whether the HSP TPM has been activated. Possible values: 0: Not activated or present 1: Activated

What: /sys/bus/pci/devices//rom_armor_enforced Date: June 2022 KernelVersion: 5.19 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//rom_armor_enforced file reports whether RomArmor SPI protection is enforced. Possible values: 0: Not enforced 1: Enforced

What: /sys/bus/pci/devices//bootloader_version Date: June 2023 KernelVersion: 6.4 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//bootloader_version file reports the firmware version of the AMD AGESA bootloader.

What: /sys/bus/pci/devices//tee_version Date: June 2023 KernelVersion: 6.4 Contact: mario.limonciello@amd.com Description: The /sys/bus/pci/devices//tee_version file reports the firmware version of the AMD Trusted Execution Environment (TEE).