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What: /sys/bus/pci/devices/<BDF>/fused_part
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/boot_integrity
Date: April 2026
KernelVersion: 6.20
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/boot_integrity reports
whether the AMD CPU or APU is used for a hardware root of trust
during the boot process.
Possible values:
0: Not hardware root of trust.
1: Hardware root of trust
NOTE: Vendors may provide design specific alternative hardware
root of trust implementations.
What: /sys/bus/pci/devices/<BDF>/debug_lock_on
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/tsme_status
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/anti_rollback_status
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/anti_rollback_status file reports
whether the PSP is enforcing rollback protection.
Possible values:
0: Not enforcing
1: Enforcing
What: /sys/bus/pci/devices/<BDF>/rpmc_production_enabled
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/rpmc_spirom_available
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/hsp_tpm_available
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/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/<BDF>/rom_armor_enforced
Date: June 2022
KernelVersion: 5.19
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/rom_armor_enforced file reports
whether RomArmor SPI protection is enforced.
Possible values:
0: Not enforced
1: Enforced
What: /sys/bus/pci/devices/<BDF>/bootloader_version
Date: June 2023
KernelVersion: 6.4
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/bootloader_version
file reports the firmware version of the AMD AGESA
bootloader.
What: /sys/bus/pci/devices/<BDF>/tee_version
Date: June 2023
KernelVersion: 6.4
Contact: mario.limonciello@amd.com
Description:
The /sys/bus/pci/devices/<BDF>/tee_version
file reports the firmware version of the AMD Trusted
Execution Environment (TEE).
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