Subject: Re: [PATCH v8 5/5] powerpc/papr_scm: Implement support for PAPR_SCM_PDSM_HEALTH

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Wed, 27 May 2020 15:25:45 +0530

Vaibhav Jain <[email-masked]> writes:

> This patch implements support for PDSM request 'PAPR_SCM_PDSM_HEALTH'
> that returns a newly introduced 'struct nd_papr_pdsm_health' instance
> containing dimm health information back to user space in response to
> ND_CMD_CALL. This functionality is implemented in newly introduced
> papr_scm_get_health() that queries the scm-dimm health information and
> then copies this information to the package payload whose layout is
> defined by 'struct nd_papr_pdsm_health'.
>
> The patch also introduces a new member 'struct papr_scm_priv.health'
> thats an instance of 'struct nd_papr_pdsm_health' to cache the health
> information of a nvdimm. As a result functions drc_pmem_query_health()
> and flags_show() are updated to populate and use this new struct
> instead of a u64 integer that was earlier used.
>

Reviewed-by: Aneesh Kumar K.V <[email-masked]>

> Cc: "Aneesh Kumar K . V" <[email-masked]>
> Cc: Dan Williams <[email-masked]>
> Cc: Michael Ellerman <[email-masked]>
> Cc: Ira Weiny <[email-masked]>
> Signed-off-by: Vaibhav Jain <[email-masked]>

-aneesh