[PATCH V2 0/2] nvme: Support user mode processing of ZNS Zone Changed AEN

Chaitanya Kulkarni chaitanyak at nvidia.com
Mon Oct 3 18:48:33 PDT 2022


On 9/29/22 15:39, clay.mayers at kioxia.com wrote:
> From: Clay Mayers <clay.mayers at kioxia.com>
> 
> This adds support for the ZNS Zone-Descriptor-Changes AEN, which is of
> type notify and uses CQE.DW1 to convey the NSID of the log page to read.
> 
> Patch 1 adds non-zero NVME_AEN_DATA with the value of CQE.DW1 to all
> NVME_AEN uevents.
> 
> Patch 2 generates a uevent for all unhandled AEN notify results instead
> of issuing a dev warning.
> 
> This support is planned to be used by both zone based applications and
> another unreleased device with an alternate command set.
> 
>

Please write a testcase in the blktest to this will get tested every
release.

-ck



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