1What: /sys/bus/pci/devices/<BDF>/fused_part 2Date: June 2022 3KernelVersion: 5.19 4Contact: mario.limonciello@amd.com 5Description: 6 The /sys/bus/pci/devices/<BDF>/fused_part file reports 7 whether the CPU or APU has been fused to prevent tampering. 8 0: Not fused 9 1: Fused 10 11What: /sys/bus/pci/devices/<BDF>/boot_integrity 12Date: April 2026 13KernelVersion: 6.20 14Contact: mario.limonciello@amd.com 15Description: 16 The /sys/bus/pci/devices/<BDF>/boot_integrity reports 17 whether the AMD CPU or APU is used for a hardware root of trust 18 during the boot process. 19 Possible values: 20 0: Not hardware root of trust. 21 1: Hardware root of trust 22 23 NOTE: Vendors may provide design specific alternative hardware 24 root of trust implementations. 25 26What: /sys/bus/pci/devices/<BDF>/debug_lock_on 27Date: June 2022 28KernelVersion: 5.19 29Contact: mario.limonciello@amd.com 30Description: 31 The /sys/bus/pci/devices/<BDF>/debug_lock_on reports 32 whether the AMD CPU or APU has been unlocked for debugging. 33 Possible values: 34 0: Not locked 35 1: Locked 36 37What: /sys/bus/pci/devices/<BDF>/tsme_status 38Date: June 2022 39KernelVersion: 5.19 40Contact: mario.limonciello@amd.com 41Description: 42 The /sys/bus/pci/devices/<BDF>/tsme_status file reports 43 the status of transparent secure memory encryption on AMD systems. 44 Possible values: 45 0: Not active 46 1: Active 47 48What: /sys/bus/pci/devices/<BDF>/anti_rollback_status 49Date: June 2022 50KernelVersion: 5.19 51Contact: mario.limonciello@amd.com 52Description: 53 The /sys/bus/pci/devices/<BDF>/anti_rollback_status file reports 54 whether the PSP is enforcing rollback protection. 55 Possible values: 56 0: Not enforcing 57 1: Enforcing 58 59What: /sys/bus/pci/devices/<BDF>/rpmc_production_enabled 60Date: June 2022 61KernelVersion: 5.19 62Contact: mario.limonciello@amd.com 63Description: 64 The /sys/bus/pci/devices/<BDF>/rpmc_production_enabled file reports 65 whether Replay Protected Monotonic Counter support has been enabled. 66 Possible values: 67 0: Not enabled 68 1: Enabled 69 70What: /sys/bus/pci/devices/<BDF>/rpmc_spirom_available 71Date: June 2022 72KernelVersion: 5.19 73Contact: mario.limonciello@amd.com 74Description: 75 The /sys/bus/pci/devices/<BDF>/rpmc_spirom_available file reports 76 whether an Replay Protected Monotonic Counter supported SPI is installed 77 on the system. 78 Possible values: 79 0: Not present 80 1: Present 81 82What: /sys/bus/pci/devices/<BDF>/hsp_tpm_available 83Date: June 2022 84KernelVersion: 5.19 85Contact: mario.limonciello@amd.com 86Description: 87 The /sys/bus/pci/devices/<BDF>/hsp_tpm_available file reports 88 whether the HSP TPM has been activated. 89 Possible values: 90 0: Not activated or present 91 1: Activated 92 93What: /sys/bus/pci/devices/<BDF>/rom_armor_enforced 94Date: June 2022 95KernelVersion: 5.19 96Contact: mario.limonciello@amd.com 97Description: 98 The /sys/bus/pci/devices/<BDF>/rom_armor_enforced file reports 99 whether RomArmor SPI protection is enforced. 100 Possible values: 101 0: Not enforced 102 1: Enforced 103 104What: /sys/bus/pci/devices/<BDF>/bootloader_version 105Date: June 2023 106KernelVersion: 6.4 107Contact: mario.limonciello@amd.com 108Description: 109 The /sys/bus/pci/devices/<BDF>/bootloader_version 110 file reports the firmware version of the AMD AGESA 111 bootloader. 112 113What: /sys/bus/pci/devices/<BDF>/tee_version 114Date: June 2023 115KernelVersion: 6.4 116Contact: mario.limonciello@amd.com 117Description: 118 The /sys/bus/pci/devices/<BDF>/tee_version 119 file reports the firmware version of the AMD Trusted 120 Execution Environment (TEE). 121