1 What: /sys/bus/nd/devices/nmemX/papr
2 Date: Apr, 2020
3 KernelVersion: v5.8
4 Contact: linuxppc-dev <linuxppc-dev@list
5 Description:
6 (RO) Report flags indicating v
7 papr-pmem NVDIMM device. Each
8 more bits set in the dimm-heal
9 response to H_SCM_HEALTH hcall
10 flags returned in response to
11 at 'Documentation/arch/powerpc
12 the flags reported in this sys
13
14 * "not_armed"
15 Indicates th
16 survive a po
17 * "flush_fail"
18 Indicates th
19 couldn't be
20 shut-down ev
21 * "restore_fail"
22 Indicates th
23 couldn't be
24 initializati
25 * "encrypted"
26 NVDIMM conte
27 * "smart_notify"
28 There is hea
29 * "scrubbed"
30 Indicating t
31 NVDIMM have
32 * "locked"
33 Indicating t
34 be modified
35
36 What: /sys/bus/nd/devices/nmemX/papr
37 Date: May, 2020
38 KernelVersion: v5.9
39 Contact: linuxppc-dev <linuxppc-dev@list
40 Description:
41 (RO) Report various performanc
42 device. This attribute is only
43 that support reporting NVDIMM
44 reported on a new line with ea
45 stat-identifier followed by it
46 dimm performance stats which a
47
48 * "CtlResCt" : Controller Rese
49 * "CtlResTm" : Controller Rese
50 * "PonSecs " : Power-on Second
51 * "MemLife " : Life Remaining
52 * "CritRscU" : Critical Resour
53 * "HostLCnt" : Host Load Count
54 * "HostSCnt" : Host Store Coun
55 * "HostSDur" : Host Store Dura
56 * "HostLDur" : Host Load Durat
57 * "MedRCnt " : Media Read Coun
58 * "MedWCnt " : Media Write Cou
59 * "MedRDur " : Media Read Dura
60 * "MedWDur " : Media Write Dur
61 * "CchRHCnt" : Cache Read Hit
62 * "CchWHCnt" : Cache Write Hit
63 * "FastWCnt" : Fast Write Coun
64
65 What: /sys/bus/nd/devices/nmemX/papr
66 Date: Jan, 2022
67 KernelVersion: v5.17
68 Contact: linuxppc-dev <linuxppc-dev@list
69 Description:
70 (RO) Reports the health bitmap
71 bitmap received from PowerVM v
72 to forcibly set specific bits
73 used to simulate various healt
74 and are set by user-space tool
75
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