Re: [PATCH v5 09/14] hw/block/nvme: Support Zoned Namespace Command Set

[Klaus Jensen]

On Sep 28 12:42, Klaus Jensen wrote:
> On Sep 28 11:35, Dmitry Fomichev wrote:
> > The emulation code has been changed to advertise NVM Command Set when
> > "zoned" device property is not set (default) and Zoned Namespace
> > Command Set otherwise.
> > 
> > Handlers for three new NVMe commands introduced in Zoned Namespace
> > Command Set specification are added, namely for Zone Management
> > Receive, Zone Management Send and Zone Append.
> > 
> > Device initialization code has been extended to create a proper
> > configuration for zoned operation using device properties.
> > 
> > Read/Write command handler is modified to only allow writes at the
> > write pointer if the namespace is zoned. For Zone Append command,
> > writes implicitly happen at the write pointer and the starting write
> > pointer value is returned as the result of the command. Write Zeroes
> > handler is modified to add zoned checks that are identical to those
> > done as a part of Write flow.
> > 
> > The code to support for Zone Descriptor Extensions is not included in
> > this commit and ZDES 0 is always reported. A later commit in this
> > series will add ZDE support.
> > 
> > This commit doesn't yet include checks for active and open zone
> > limits. It is assumed that there are no limits on either active or
> > open zones.
> > 
> 
> I think the fill_pattern feature stands separate, so it would be nice to
> extract that to a patch on its own.
> 

Please disregard this.

Since the fill_pattern feature is tightly bound to reading in zones, it
doesnt really make sense to extract it.

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