[PATCH] nvme: Support user mode processing of ZNS Zone Changed AEN

[Clay Mayers]

> From: Sagi Grimberg <sagi at grimberg.me>
> Sent: Thursday, September 29, 2022 1:19 AM
> 
> > The ZNS Zone-Descriptor-Changes AEN is of type notify and uses CQE.DW1
> > to convey the namespace of the log page to read. Unhandled notify AENs
> > now generate an NVME_AEN uevent and include the value of CQE.DW1 as a
> > new property when non-zero.
> 
> But you always send it...

Thanks for the quick review and catching my mistake.

> 
> >
> > All unhandled notify events are include to avoid command set specific
> > code in the aen handling.  This support is planned to be used by both
> > zone based applications and another unreleased device with an alternate
> > command set.
> 
> This needs to be split into two patches.
> 

It will be split in two for V2