The following commit has been merged into the x86/microcode branch of tip: Commit-ID: 72a0f445fc091bd18873b10b9ab56573e490f00d Gitweb: https://git.kernel.org/tip/72a0f445fc091bd18873b10b9ab56573e490f00d Author: Jithu Joseph <jithu.joseph@xxxxxxxxx> AuthorDate: Wed, 16 Nov 2022 19:59:34 -08:00 Committer: Borislav Petkov <bp@xxxxxxx> CommitterDate: Sat, 19 Nov 2022 11:30:00 +01:00 Documentation/ABI: Update IFS ABI doc Remove reload documentation and add current_batch documentation. Update the kernel version and date for all the entries. Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx> Reviewed-by: Sohil Mehta <sohil.mehta@xxxxxxxxx> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221117035935.4136738-16-jithu.joseph@xxxxxxxxx --- Documentation/ABI/testing/sysfs-platform-intel-ifs | 30 ++++++------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs index 486d6d2..5599198 100644 --- a/Documentation/ABI/testing/sysfs-platform-intel-ifs +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs @@ -1,39 +1,41 @@ 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@xxxxxxxxx> 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 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@xxxxxxxxx> Description: The status of the last test. It can be one of "pass", "fail" or "untested". 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@xxxxxxxxx> 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_<N>/image_version -Date: April 21 2022 -KernelVersion: 5.19 +Date: Nov 16 2022 +KernelVersion: 6.2 Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> Description: Version (hexadecimal) of loaded IFS binary image. If no scan image is loaded reports "none". -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@xxxxxxxxx> -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.