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1What: /sys/bus/nd/devices/nmemX/papr/flags
2Date: Apr, 2020
3KernelVersion: v5.8
4Contact: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>, linux-nvdimm@lists.01.org,
5Description:
6 (RO) Report flags indicating various states of a
7 papr-pmem NVDIMM device. Each flag maps to a one or
8 more bits set in the dimm-health-bitmap retrieved in
9 response to H_SCM_HEALTH hcall. The details of the bit
10 flags returned in response to this hcall is available
11 at 'Documentation/powerpc/papr_hcalls.rst' . Below are
12 the flags reported in this sysfs file:
13
14 * "not_armed" : Indicates that NVDIMM contents will not
15 survive a power cycle.
16 * "flush_fail" : Indicates that NVDIMM contents
17 couldn't be flushed during last
18 shut-down event.
19 * "restore_fail": Indicates that NVDIMM contents
20 couldn't be restored during NVDIMM
21 initialization.
22 * "encrypted" : NVDIMM contents are encrypted.
23 * "smart_notify": There is health event for the NVDIMM.
24 * "scrubbed" : Indicating that contents of the
25 NVDIMM have been scrubbed.
26 * "locked" : Indicating that NVDIMM contents cant
27 be modified until next power cycle.