From: Johannes Thumshirn <jthumshirn@suse.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-nvdimm@ml01.01.org, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] libnvdimm, nfit: report multiple interface codes per-dimm
Date: Wed, 06 Apr 2016 10:22:47 +0200 [thread overview]
Message-ID: <90956f627d907989f05b03fd4e6d826d@suse.de> (raw)
In-Reply-To: <20160406003515.6719.15443.stgit@dwillia2-desk3.jf.intel.com>
On 2016-04-06 02:35, Dan Williams wrote:
> Starting with ACPI 6.1 an NFIT table will report multiple 'NVDIMM
> Control Region Structure' instances per-dimm, one for each supported
> format interface. Report that code in the following format in sysfs:
>
> nmemX/nfit/formats
> nmemX/nfit/format
> nmemX/nfit/format1
> nmemX/nfit/format2
> ...
> nmemX/nfit/formatN
>
> Where format2 - formatN are theoretical as there are no known DIMMs
> with
> support for more than two interface formats.
>
> This layout is compatible with existing libndctl binaries that only
> expect one code per-dimm as they will ignore nmemX/nfit/formats and
> nmemX/nfit/formatN.
>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Looks OK to me
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
prev parent reply other threads:[~2016-04-06 8:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 0:35 Dan Williams
2016-04-06 8:22 ` Johannes Thumshirn [this message]
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