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55b52633e1
Add the sysfs attributes in ABI/testing for In-Field Scan. Reviewed-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com> Co-developed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20220506225410.1652287-12-tony.luck@intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
40 lines
1.6 KiB
Plaintext
40 lines
1.6 KiB
Plaintext
What: /sys/devices/virtual/misc/intel_ifs_<N>/run_test
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Date: April 21 2022
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KernelVersion: 5.19
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Contact: "Jithu Joseph" <jithu.joseph@intel.com>
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Description: Write <cpu#> to trigger IFS test for one online core.
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Note that the test is per core. The cpu# can be
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for any thread on the core. Running on one thread
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completes the test for the core containing that thread.
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Example: to test the core containing cpu5: echo 5 >
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/sys/devices/platform/intel_ifs.<N>/run_test
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What: /sys/devices/virtual/misc/intel_ifs_<N>/status
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Date: April 21 2022
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KernelVersion: 5.19
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Contact: "Jithu Joseph" <jithu.joseph@intel.com>
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Description: The status of the last test. It can be one of "pass", "fail"
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or "untested".
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What: /sys/devices/virtual/misc/intel_ifs_<N>/details
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Date: April 21 2022
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KernelVersion: 5.19
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Contact: "Jithu Joseph" <jithu.joseph@intel.com>
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Description: Additional information regarding the last test. The details file reports
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the hex value of the SCAN_STATUS MSR. Note that the error_code field
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may contain driver defined software code not defined in the Intel SDM.
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What: /sys/devices/virtual/misc/intel_ifs_<N>/image_version
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Date: April 21 2022
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KernelVersion: 5.19
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Contact: "Jithu Joseph" <jithu.joseph@intel.com>
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Description: Version (hexadecimal) of loaded IFS binary image. If no scan image
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is loaded reports "none".
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What: /sys/devices/virtual/misc/intel_ifs_<N>/reload
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Date: April 21 2022
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KernelVersion: 5.19
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Contact: "Jithu Joseph" <jithu.joseph@intel.com>
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Description: Write "1" (or "y" or "Y") to reload the IFS image from
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/lib/firmware/intel/ifs/ff-mm-ss.scan.
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