1 What: /sys/kernel/debug/tpmi-<n>/pfs
2 Date: November 2023
3 KernelVersion: 6.6
4 Contact: srinivas.pandruvada@linux.inte
5 Description:
6 The PFS (PM Feature Structure) table, shows de
7 management feature. This includes:
8 tpmi_id, number of entries, entry size, offset
9 and disabled status.
10 Users: Debugging, any user space test
11
12 What: /sys/kernel/debug/tpmi-<n>/tpm
13 Date: November 2023
14 KernelVersion: 6.6
15 Contact: srinivas.pandruvada@linux.inte
16 Description:
17 Shows the memory dump of the MMIO region for a
18 Users: Debugging, any user space test
19
20 What: /sys/kernel/debug/tpmi-<n>/tpm
21 Date: November 2023
22 KernelVersion: 6.6
23 Contact: srinivas.pandruvada@linux.inte
24 Description:
25 Allows to write at any offset. It doesn't chec
26 as hardware will not allow to write at read-on
27 at offset multiples of 4. The format is instan
28 Example:
29 echo 0,0x20,0xff > mem_write
30 echo 1,64,64 > mem_write
31 Users: Debugging, any user space test
32
33 What: /sys/kernel/debug/tpmi-<n>/plr
34 Date: Aug 2024
35 KernelVersion: 6.11
36 Contact: Tero Kristo <tero.kristo@linux.
37 Description:
38 Shows the currently active Performance Limit R
39 individual CPUs under the die. The contents of
40 clearing all the statuses can be done by writi
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