diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-platform-intel-ifs')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-intel-ifs | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs index 55991983d0d0..41b4d5b1e21c 100644 --- a/Documentation/ABI/testing/sysfs-platform-intel-ifs +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs @@ -1,3 +1,7 @@ +Device instance to test mapping +intel_ifs_0 -> Scan Test +intel_ifs_1 -> Array BIST test + What: /sys/devices/virtual/misc/intel_ifs_<N>/run_test Date: Nov 16 2022 KernelVersion: 6.2 @@ -8,6 +12,7 @@ Description: Write <cpu#> to trigger IFS test for one online core. completes the test for the core containing that thread. Example: to test the core containing cpu5: echo 5 > /sys/devices/virtual/misc/intel_ifs_<N>/run_test +Devices: all What: /sys/devices/virtual/misc/intel_ifs_<N>/status Date: Nov 16 2022 @@ -15,21 +20,25 @@ KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@intel.com> Description: The status of the last test. It can be one of "pass", "fail" or "untested". +Devices: all What: /sys/devices/virtual/misc/intel_ifs_<N>/details Date: Nov 16 2022 KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@intel.com> Description: Additional information regarding the last test. The details file reports - the hex value of the SCAN_STATUS MSR. Note that the error_code field + the hex value of the STATUS MSR for this test. Note that the error_code field may contain driver defined software code not defined in the Intel SDM. +Devices: all What: /sys/devices/virtual/misc/intel_ifs_<N>/image_version Date: Nov 16 2022 KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@intel.com> -Description: Version (hexadecimal) of loaded IFS binary image. If no scan image - is loaded reports "none". +Description: Version (hexadecimal) of loaded IFS test image. If no test image + is loaded reports "none". Only present for device instances where a test image + is applicable. +Devices: intel_ifs_0 What: /sys/devices/virtual/misc/intel_ifs_<N>/current_batch Date: Nov 16 2022 @@ -39,3 +48,5 @@ Description: Write a number less than or equal to 0xff to load an IFS test image The number written treated as the 2 digit suffix in the following file name: /lib/firmware/intel/ifs_<N>/ff-mm-ss-02x.scan Reading the file will provide the suffix of the currently loaded IFS test image. + This file is present only for device instances where a test image is applicable. +Devices: intel_ifs_0 |