Date: Tue, 18 Mar 2014 15:43:43 +0000 (UTC) From: Jim Harris <jimharris@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r263303 - head/share/man/man4 Message-ID: <201403181543.s2IFhhSc015728@svn.freebsd.org>
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Author: jimharris Date: Tue Mar 18 15:43:42 2014 New Revision: 263303 URL: http://svnweb.freebsd.org/changeset/base/263303 Log: Update nvme(4) and nvd(4) man pages to clarify the differences between their respective device nodes. Sponsored by: Intel MFC after: 3 days Modified: head/share/man/man4/nvd.4 head/share/man/man4/nvme.4 Modified: head/share/man/man4/nvd.4 ============================================================================== --- head/share/man/man4/nvd.4 Tue Mar 18 15:01:32 2014 (r263302) +++ head/share/man/man4/nvd.4 Tue Mar 18 15:43:42 2014 (r263303) @@ -1,5 +1,5 @@ .\" -.\" Copyright (c) 2012-2013 Intel Corporation +.\" Copyright (c) 2012-2014 Intel Corporation .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -33,7 +33,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 9, 2013 +.Dd March 18, 2014 .Dt NVD 4 .Os .Sh NAME @@ -62,8 +62,22 @@ It depends on the .Xr nvme 4 driver for notification of existing NVMe namespaces and submission of NVM I/O commands. +.Pp +Device nodes from the +.Nm +driver will have the format /dev/nvdX and are +.Xr GEOM 4 +disks which can be partitioned by +.Xr geom 8 . +Note that device nodes from the +.Xr nvme 4 +driver are not +.Xr GEOM 4 +disks and cannot be partitioned. .Sh SEE ALSO +.Xr GEOM 4 , .Xr nvme 4 , +.Xr geom 8 , .Xr nvmecontrol 8 , .Xr disk 9 .Sh HISTORY Modified: head/share/man/man4/nvme.4 ============================================================================== --- head/share/man/man4/nvme.4 Tue Mar 18 15:01:32 2014 (r263302) +++ head/share/man/man4/nvme.4 Tue Mar 18 15:43:42 2014 (r263303) @@ -1,5 +1,5 @@ .\" -.\" Copyright (c) 2012-2013 Intel Corporation +.\" Copyright (c) 2012-2014 Intel Corporation .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -33,7 +33,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 9, 2013 +.Dd March 18, 2014 .Dt NVME 4 .Os .Sh NAME @@ -54,7 +54,8 @@ nvme_load="YES" .Pp Most users will also want to enable .Xr nvd 4 -to surface NVM Express namespaces as disk devices. +to surface NVM Express namespaces as disk devices which can be +partitioned. Note that in NVM Express terms, a namespace is roughly equivalent to a SCSI LUN. .Sh DESCRIPTION @@ -73,11 +74,13 @@ API for registering NVMe namespace consu API for submitting NVM commands to namespaces .It Ioctls for controller and namespace configuration and management +.El .Pp +The .Nm -creates controller devices in the format +driver creates controller device nodes in the format .Pa /dev/nvmeX -and namespace devices in +and namespace device nodes in the format .Pa /dev/nvmeXnsY . Note that the NVM Express specification starts numbering namespaces at 1,
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