GNU Linux-libre 6.1.90-gnu
[releases.git] / Documentation / ABI / testing / sysfs-platform-intel-ifs
1 What:           /sys/devices/virtual/misc/intel_ifs_<N>/run_test
2 Date:           April 21 2022
3 KernelVersion:  5.19
4 Contact:        "Jithu Joseph" <jithu.joseph@intel.com>
5 Description:    Write <cpu#> to trigger IFS test for one online core.
6                 Note that the test is per core. The cpu# can be
7                 for any thread on the core. Running on one thread
8                 completes the test for the core containing that thread.
9                 Example: to test the core containing cpu5: echo 5 >
10                 /sys/devices/platform/intel_ifs.<N>/run_test
11
12 What:           /sys/devices/virtual/misc/intel_ifs_<N>/status
13 Date:           April 21 2022
14 KernelVersion:  5.19
15 Contact:        "Jithu Joseph" <jithu.joseph@intel.com>
16 Description:    The status of the last test. It can be one of "pass", "fail"
17                 or "untested".
18
19 What:           /sys/devices/virtual/misc/intel_ifs_<N>/details
20 Date:           April 21 2022
21 KernelVersion:  5.19
22 Contact:        "Jithu Joseph" <jithu.joseph@intel.com>
23 Description:    Additional information regarding the last test. The details file reports
24                 the hex value of the SCAN_STATUS MSR. Note that the error_code field
25                 may contain driver defined software code not defined in the Intel SDM.
26
27 What:           /sys/devices/virtual/misc/intel_ifs_<N>/image_version
28 Date:           April 21 2022
29 KernelVersion:  5.19
30 Contact:        "Jithu Joseph" <jithu.joseph@intel.com>
31 Description:    Version (hexadecimal) of loaded IFS binary image. If no scan image
32                 is loaded reports "none".
33
34 What:           /sys/devices/virtual/misc/intel_ifs_<N>/reload
35 Date:           April 21 2022
36 KernelVersion:  5.19
37 Contact:        "Jithu Joseph" <jithu.joseph@intel.com>
38 Description:    Write "1" (or "y" or "Y") to reload the IFS image from
39                 /lib/firmware/intel/ifs/ff-mm-ss.scan.