From: Johannes Thumshirn <jthumshirn@suse.de>
To: linux-nvdimm@lists.01.org
Subject: Re: [RFC v9 4/5] nvdimm: Add concept of cmd mask
Date: Mon, 18 Apr 2016 10:09:07 +0200 [thread overview]
Message-ID: <11329369.6f8kWKfT6D@c203> (raw)
In-Reply-To: <f94e58ce44103ee3990e611ddb4e63269e278de3.1460936121.git.jerry.hoemann@hpe.com>
On Sonntag, 17. April 2016 17:38:46 CEST Jerry Hoemann wrote:
> DSMs have a mask of commands implemented on the DSM.
>
> The current IOCTL interface exported for the NVDIMM DSM maps directly
> onto the underlying DSM.
>
> With the addition of the pass thru mechanism, the IOCTL doesn't map
> directly onto the underlying DSM functions as the Pass thru isn't itself
> a DSM function and some DSM can use only the pass thru.
>
> These changes separate out the concept of a command mask that applies
> to function that are supported by the IOCTL and a dsm mask that apply
> to the underlying firmware.
>
> There is one noticiable exception, the cmd_mask == the dsm_mask
> for root functions.
>
> Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
> ---
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
--
Johannes Thumshirn Storage
jthumshirn@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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next prev parent reply other threads:[~2016-04-18 8:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-17 23:38 [RFC v9 0/5] nvdimm: Add an IOCTL pass thru for DSM calls Jerry Hoemann
2016-04-17 23:38 ` [RFC v9 1/5] nvdimm: Add IOCTL pass thru functions Jerry Hoemann
2016-04-18 8:07 ` Johannes Thumshirn
2016-04-19 2:15 ` Dan Williams
2016-04-20 16:46 ` Jerry Hoemann
2016-04-20 20:08 ` Dan Williams
2016-04-20 22:55 ` Jerry Hoemann
2016-04-21 1:29 ` Dan Williams
2016-04-21 11:39 ` Dan Williams
2016-04-17 23:38 ` [RFC v9 2/5] libnvdimm: nvdimm_bus_descriptor field name change Jerry Hoemann
2016-04-18 8:08 ` Johannes Thumshirn
2016-04-17 23:38 ` [RFC v9 3/5] Subject: [PATCH v8 07/10] tools/testing/nvdimm: 'call_dsm' support Jerry Hoemann
2016-04-18 8:08 ` Johannes Thumshirn
2016-04-19 2:22 ` Dan Williams
2016-04-20 16:50 ` Jerry Hoemann
2016-04-17 23:38 ` [RFC v9 4/5] nvdimm: Add concept of cmd mask Jerry Hoemann
2016-04-18 8:09 ` Johannes Thumshirn [this message]
2016-04-19 3:03 ` Dan Williams
2016-04-21 17:28 ` Jerry Hoemann
2016-04-21 18:25 ` Dan Williams
2016-04-22 17:55 ` Jerry Hoemann
2016-04-22 18:16 ` Dan Williams
2016-04-17 23:38 ` [RFC v9 5/5] nvdimm: Add ioctl to return command mask Jerry Hoemann
2016-04-18 8:09 ` Johannes Thumshirn
2016-04-19 17:45 ` Dan Williams
2016-04-20 17:41 ` Jerry Hoemann
2016-04-21 11:52 ` Dan Williams
2016-04-21 16:52 ` Jerry Hoemann
2016-04-21 18:18 ` Dan Williams
2016-04-22 23:15 ` Jerry Hoemann
2016-04-22 23:33 ` Dan Williams
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