Vaibhav Jain <[email protected]> writes: > Implement support for fetching nvdimm health information via > H_SCM_HEALTH hcall as documented in Ref[1]. The hcall returns a pair > of 64-bit bitmap, bitwise-and of which is then stored in > 'struct papr_scm_priv' and subsequently partially exposed to > user-space via newly introduced dimm specific attribute > 'papr/flags'. Since the hcall is costly, the health information is > cached and only re-queried, 60s after the previous successful hcall. > > The patch also adds a documentation text describing flags reported by > the the new sysfs attribute 'papr/flags' is also introduced at > Documentation/ABI/testing/sysfs-bus-papr-scm. > > [1] commit 58b278f568f0 ("powerpc: Provide initial documentation for > PAPR hcalls") >
Reviewed-by: Aneesh Kumar K.V <[email protected]> > Cc: "Aneesh Kumar K . V" <[email protected]> > Cc: Dan Williams <[email protected]> > Cc: Michael Ellerman <[email protected]> > Cc: Ira Weiny <[email protected]> > Signed-off-by: Vaibhav Jain <[email protected]>
