xref: /linux/Documentation/ABI/testing/sysfs-driver-ccp (revision 5c8cbca290acdd49a694b36c0af76ba0c00bbf12)

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).