What: /sys/devices/virtual/misc/intel_ifs_/run_test Date: April 21 2022 KernelVersion: 5.19 Contact: "Jithu Joseph" Description: Write 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./run_test What: /sys/devices/virtual/misc/intel_ifs_/status Date: April 21 2022 KernelVersion: 5.19 Contact: "Jithu Joseph" Description: The status of the last test. It can be one of "pass", "fail" or "untested". What: /sys/devices/virtual/misc/intel_ifs_/details Date: April 21 2022 KernelVersion: 5.19 Contact: "Jithu Joseph" 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 may contain driver defined software code not defined in the Intel SDM. What: /sys/devices/virtual/misc/intel_ifs_/image_version Date: April 21 2022 KernelVersion: 5.19 Contact: "Jithu Joseph" Description: Version (hexadecimal) of loaded IFS binary image. If no scan image is loaded reports "none". What: /sys/devices/virtual/misc/intel_ifs_/reload Date: April 21 2022 KernelVersion: 5.19 Contact: "Jithu Joseph" Description: Write "1" (or "y" or "Y") to reload the IFS image from /lib/firmware/intel/ifs/ff-mm-ss.scan.