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Re: [PATCH v4 06/14] hw/block/nvme: Add support for active/inactive name
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From: |
Klaus Jensen |
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Subject: |
Re: [PATCH v4 06/14] hw/block/nvme: Add support for active/inactive namespaces |
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Date: |
Thu, 24 Sep 2020 20:55:24 +0200 |
On Sep 24 18:17, Niklas Cassel wrote:
> On Thu, Sep 24, 2020 at 02:12:03PM +0200, Klaus Jensen wrote:
> > On Sep 24 03:20, Dmitry Fomichev wrote:
> > > From: Niklas Cassel <niklas.cassel@wdc.com>
> > >
> > > E.g., if the user sets CC.CSS to Admin Only, NVM namespaces should be
> > > marked as inactive.
> > >
> >
> > Hmm. I'm not convinced that this is correct. Can you reference the spec?
> >
>
> CC.CSS can only be changed when the controller is disabled.
Right. I think I see you point. While the controller is disabled, the
host obviously cannot even see what namespaces are available, so the
controller is free to only expose (aka, attach) the namespaces that
makes sense for the value of CC.CSS.
OK then, the patch is good :)
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- [PATCH v4 00/14] hw/block/nvme: Support Namespace Types and Zoned Namespace Command Set, Dmitry Fomichev, 2020/09/23
- [PATCH v4 02/14] hw/block/nvme: Add Commands Supported and Effects log, Dmitry Fomichev, 2020/09/23
- [PATCH v4 01/14] hw/block/nvme: Report actual LBA data shift in LBAF, Dmitry Fomichev, 2020/09/23
- [PATCH v4 03/14] hw/block/nvme: Introduce the Namespace Types definitions, Dmitry Fomichev, 2020/09/23
- [PATCH v4 04/14] hw/block/nvme: Define trace events related to NS Types, Dmitry Fomichev, 2020/09/23
- [PATCH v4 06/14] hw/block/nvme: Add support for active/inactive namespaces, Dmitry Fomichev, 2020/09/23
[PATCH v4 07/14] hw/block/nvme: Make Zoned NS Command Set definitions, Dmitry Fomichev, 2020/09/23
[PATCH v4 05/14] hw/block/nvme: Add support for Namespace Types, Dmitry Fomichev, 2020/09/23
[PATCH v4 08/14] hw/block/nvme: Define Zoned NS Command Set trace events, Dmitry Fomichev, 2020/09/23
[PATCH v4 10/14] hw/block/nvme: Introduce max active and open zone limits, Dmitry Fomichev, 2020/09/23
[PATCH v4 12/14] hw/block/nvme: Add injection of Offline/Read-Only zones, Dmitry Fomichev, 2020/09/23
[PATCH v4 09/14] hw/block/nvme: Support Zoned Namespace Command Set, Dmitry Fomichev, 2020/09/23
[PATCH v4 11/14] hw/block/nvme: Support Zone Descriptor Extensions, Dmitry Fomichev, 2020/09/23
[PATCH v4 13/14] hw/block/nvme: Use zone metadata file for persistence, Dmitry Fomichev, 2020/09/23