diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-platform-intel-ifs')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-intel-ifs | 47 |
1 files changed, 30 insertions, 17 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs index 486d6d2ff8a0..41b4d5b1e21c 100644 --- a/Documentation/ABI/testing/sysfs-platform-intel-ifs +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs @@ -1,39 +1,52 @@ +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: April 21 2022 -KernelVersion: 5.19 +Date: Nov 16 2022 +KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@intel.com> Description: Write <cpu#> to trigger IFS test for one online core. Note that the test is per core. The cpu# can be for any thread on the core. Running on one thread completes the test for the core containing that thread. Example: to test the core containing cpu5: echo 5 > - /sys/devices/platform/intel_ifs.<N>/run_test + /sys/devices/virtual/misc/intel_ifs_<N>/run_test +Devices: all What: /sys/devices/virtual/misc/intel_ifs_<N>/status -Date: April 21 2022 -KernelVersion: 5.19 +Date: Nov 16 2022 +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: April 21 2022 -KernelVersion: 5.19 +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: April 21 2022 -KernelVersion: 5.19 +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>/reload -Date: April 21 2022 -KernelVersion: 5.19 +What: /sys/devices/virtual/misc/intel_ifs_<N>/current_batch +Date: Nov 16 2022 +KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@intel.com> -Description: Write "1" (or "y" or "Y") to reload the IFS image from - /lib/firmware/intel/ifs/ff-mm-ss.scan. +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 |