Add the sysfs attributes in ABI/testing for In-Field Scan. Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx> Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx> --- .../ABI/testing/sysfs-platform-intel-ifs | 54 +++++++++++++++++++ 1 file changed, 54 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..54dc6cd75484 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-intel-ifs @@ -0,0 +1,54 @@ +What: /sys/devices/platform/intel_ifs/run_test +Date: April 07, 2022 +KernelVersion: 5.19.0 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: echo <cpu#> to trigger ifs test for all online cores. + For e.g to test cpu5 do echo 5 > /sys/devices/platform/intel_ifs/run_test + +What: /sys/devices/platform/intel_ifs/status +Date: April 07, 2022 +KernelVersion: 5.19.0 +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/details +Date: April 07, 2022 +KernelVersion: 5.19.0 +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/image_version +Date: April 07, 2022 +KernelVersion: 5.19.0 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: Version of loaded IFS binary image. + +What: /sys/bus/platform/drivers/intel_ifs/bind +Date: April 07, 2022 +KernelVersion: 5.19.0 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: echo "intel_ifs" to reload IFS image. + +What: /sys/module/intel_ifs/parameters/noirq +Date: April 07, 2022 +KernelVersion: 5.19.0 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: IFS tunable parameter that user can modify before + the scan run if they wish to override default value. + + When set, system interrupts are not allowed to interrupt an IFS. The + default state for this parameter is set. + +What: /sys/module/intel_ifs/parameters/retry +Date: April 07, 2022 +KernelVersion: 5.19.0 +Contact: "Jithu Joseph" <jithu.joseph@xxxxxxxxx> +Description: IFS tunable parameter that user can modify before scan run + if they wish to override default value. + + Maximum retry counter when the test is not executed due to an + event such as interrupt. The default value is 5, it can be set to any + value from 1 to 20. -- 2.17.1
