1 What: /sys/kernel/debug/tpmi-<n>/pfs_dump
4 Contact: srinivas.pandruvada@linux.intel.com
6 The PFS (PM Feature Structure) table, shows details of each power
7 management feature. This includes:
8 tpmi_id, number of entries, entry size, offset, vsec offset, lock status
10 Users: Debugging, any user space test suite
12 What: /sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_dump
15 Contact: srinivas.pandruvada@linux.intel.com
17 Shows the memory dump of the MMIO region for a TPMI ID.
18 Users: Debugging, any user space test suite
20 What: /sys/kernel/debug/tpmi-<n>/tpmi-id-<n>/mem_write
23 Contact: srinivas.pandruvada@linux.intel.com
25 Allows to write at any offset. It doesn't check for Read/Write access
26 as hardware will not allow to write at read-only memory. This write is
27 at offset multiples of 4. The format is instance,offset,contents.
29 echo 0,0x20,0xff > mem_write
30 echo 1,64,64 > mem_write
31 Users: Debugging, any user space test suite
33 What: /sys/kernel/debug/tpmi-<n>/plr/domain<n>/status
36 Contact: Tero Kristo <tero.kristo@linux.intel.com>
38 Shows the currently active Performance Limit Reasons for die level and the
39 individual CPUs under the die. The contents of this file are sticky, and
40 clearing all the statuses can be done by writing "0\n" to this file.