Re: [PATCH 4/4] hw/block/nvme: add zone descriptor changed AEN

[Klaus Jensen]

On Oct 20 17:18, clay.mayers@kioxia.com wrote:
> From: Clay Mayers <clay.mayers@kioxia.com>
> 
> If a namespace's param.zoned.finish_time is non-zero,
> controllers register with the namespace to be notified
> when entries are added to its zone-descriptor-changed
> log page.  If the zone-descriptor-changed aen is enabled,
> this will cause an AEN to be sent from that controller.
> 
> Signed-off-by: Clay Mayers <clay.mayers@kioxia.com>
> ---
>  hw/nvme/ctrl.c       | 62 +++++++++++++++++++++++++++++++++++++++++++-
>  hw/nvme/ns.c         |  1 +
>  hw/nvme/nvme.h       |  9 +++++++
>  include/block/nvme.h |  2 ++
>  4 files changed, 73 insertions(+), 1 deletion(-)
> 

If the controller is hotplugged (device_del'ed), you need to remove the
controller from the watch list as well. I think in nvme_exit().

Otherwise, looks good!

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