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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / Documentation / ABI / testing / sysfs-platform-intel-ifs
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1What: /sys/devices/virtual/misc/intel_ifs_<N>/run_test 2Date: April 21 2022 3KernelVersion: 5.19 4Contact: "Jithu Joseph" <jithu.joseph@intel.com> 5Description: 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 12What: /sys/devices/virtual/misc/intel_ifs_<N>/status 13Date: April 21 2022 14KernelVersion: 5.19 15Contact: "Jithu Joseph" <jithu.joseph@intel.com> 16Description: The status of the last test. It can be one of "pass", "fail" 17 or "untested". 18 19What: /sys/devices/virtual/misc/intel_ifs_<N>/details 20Date: April 21 2022 21KernelVersion: 5.19 22Contact: "Jithu Joseph" <jithu.joseph@intel.com> 23Description: 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 27What: /sys/devices/virtual/misc/intel_ifs_<N>/image_version 28Date: April 21 2022 29KernelVersion: 5.19 30Contact: "Jithu Joseph" <jithu.joseph@intel.com> 31Description: Version (hexadecimal) of loaded IFS binary image. If no scan image 32 is loaded reports "none". 33 34What: /sys/devices/virtual/misc/intel_ifs_<N>/reload 35Date: April 21 2022 36KernelVersion: 5.19 37Contact: "Jithu Joseph" <jithu.joseph@intel.com> 38Description: Write "1" (or "y" or "Y") to reload the IFS image from 39 /lib/firmware/intel/ifs/ff-mm-ss.scan.