Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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).