svn commit: r352109 - stable/12/share/man/man4

[D Scott Phillips]

Author: scottph
Date: Mon Sep  9 21:03:08 2019
New Revision: 352109
URL: https://svnweb.freebsd.org/changeset/base/352109

Log:
  MFC 351897: nvdimm(4): Add description of NVDIMM Namespace support
  
  Approved by:	scottl (mentor)
  Sponsored by:	Intel Corporation

Modified:
  stable/12/share/man/man4/nvdimm.4
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/share/man/man4/nvdimm.4
==============================================================================
--- stable/12/share/man/man4/nvdimm.4	Mon Sep  9 20:49:37 2019	(r352108)
+++ stable/12/share/man/man4/nvdimm.4	Mon Sep  9 21:03:08 2019	(r352109)
@@ -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 ,