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What: /sys/bus/nd/devices/nmemX/papr/flags
Date: Apr, 2020
KernelVersion: v5.8
Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org,
Description:
(RO) Report flags indicating various states of a
papr-pmem NVDIMM device. Each flag maps to a one or
more bits set in the dimm-health-bitmap retrieved in
response to H_SCM_HEALTH hcall. The details of the bit
flags returned in response to this hcall is available
at 'Documentation/powerpc/papr_hcalls.rst' . Below are
the flags reported in this sysfs file:
* "not_armed" : Indicates that NVDIMM contents will not
survive a power cycle.
* "flush_fail" : Indicates that NVDIMM contents
couldn't be flushed during last
shut-down event.
* "restore_fail": Indicates that NVDIMM contents
couldn't be restored during NVDIMM
initialization.
* "encrypted" : NVDIMM contents are encrypted.
* "smart_notify": There is health event for the NVDIMM.
* "scrubbed" : Indicating that contents of the
NVDIMM have been scrubbed.
* "locked" : Indicating that NVDIMM contents cant
be modified until next power cycle.
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