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Date:      Thu, 5 Sep 2019 20:51:42 +0000 (UTC)
From:      D Scott Phillips <scottph@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r351897 - head/share/man/man4
Message-ID:  <201909052051.x85KpgCb045983@repo.freebsd.org>

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Author: scottph
Date: Thu Sep  5 20:51:41 2019
New Revision: 351897
URL: https://svnweb.freebsd.org/changeset/base/351897

Log:
  nvdimm(4): Add description of NVDIMM Namespace support
  
  Reviewed by:	kib, bcr
  Approved by:	emaste (mentor)
  MFC after:	3 days
  Sponsored by:	Intel Corporation
  Differential Revision:	https://reviews.freebsd.org/D21536

Modified:
  head/share/man/man4/nvdimm.4

Modified: head/share/man/man4/nvdimm.4
==============================================================================
--- head/share/man/man4/nvdimm.4	Thu Sep  5 20:42:08 2019	(r351896)
+++ head/share/man/man4/nvdimm.4	Thu Sep  5 20:51:41 2019	(r351897)
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 23, 2019
+.Dd September 5, 2019
 .Dt NVDIMM 4
 .Os
 .Sh NAME
@@ -75,7 +75,7 @@ the device.
 .Pp
 Also, for each SPA, the geom provider
 .Pa spaNNN
-is created, which can be used to create a conventional filesystem (e.g.
+is created, which can be used to create a conventional filesystem (e.g.,
 by
 .Xr newfs 8 )
 and
@@ -86,6 +86,18 @@ Content accessible by
 and
 .Pa /dev/spaNNN
 is coherent.
+.Pp
+The
+.Nm
+driver has support for reading NVDIMM namespaces (if supported by your
+hardware and already configured by some other mechanism, e.g., a BIOS
+configuration screen).
+The driver will provide a
+.Pa /dev/nvdimm_spaNNNnsMMM
+device node and
+.Pa spaNNNnsMMM
+geom provider for each namespace in a SPA, which behave analogously to their
+full-SPA cousins described above.
 .Sh SEE ALSO
 .Xr ACPI 4 ,
 .Xr GEOM 4 ,



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