From: Jithu Joseph <jithu.joseph@xxxxxxxxx> Add the sysfs attributes in ABI/testing for In-Field Scan. Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx> Co-developed-by: Tony Luck <tony.luck@xxxxxxxxx> Signed-off-by: Tony Luck <tony.luck@xxxxxxxxx> --- .../ABI/testing/sysfs-platform-intel-ifs | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-platform-intel-ifs diff --git a/Documentation/ABI/testing/sysfs-platform-intel-ifs b/Documentation/ABI/testing/sysfs-platform-intel-ifs new file mode 100644 index 000000000000..7a753c9f2dd7 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs @@ -0,0 +1,39 @@ +What: /sys/devices/platform/intel_ifs.<N>/run_test +Date: April 13, 2022 +KernelVersion: 5.19 +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 + +What: /sys/devices/platform/intel_ifs.<N>/status +Date: April 13, 2022 +KernelVersion: 5.19 +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/system/cpu/cpu#/ifs.<N>/details +Date: April 13, 2022 +KernelVersion: 5.19 +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/platform/intel_ifs.<N>/image_version +Date: April 13, 2022 +KernelVersion: 5.19 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: Version (hexadecimal) of loaded IFS binary image. If no scan image + is loaded reports "none". + +What: /sys/bus/platform/drivers/intel_ifs.<N>/reload +Date: April 13, 2022 +KernelVersion: 5.19 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: Write "1" > reload to reload IFS image from + /lib/firmware/intel/ifs/ff-mm-ss.scan. -- 2.35.1
