Update nvme(4) and nvd(4) man pages to clarify the differences between
their respective device nodes. Sponsored by: Intel MFC after: 3 days
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2020-12-20 02:59:44 +00:00
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@ -1,5 +1,5 @@
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.\"
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.\" Copyright (c) 2012-2013 Intel Corporation
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.\" Copyright (c) 2012-2014 Intel Corporation
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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@ -33,7 +33,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 9, 2013
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.Dd March 18, 2014
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.Dt NVD 4
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.Os
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.Sh NAME
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@ -62,8 +62,22 @@ It depends on the
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.Xr nvme 4
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driver for notification of existing NVMe namespaces and submission of NVM
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I/O commands.
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.Pp
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Device nodes from the
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.Nm
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driver will have the format /dev/nvdX and are
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.Xr GEOM 4
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disks which can be partitioned by
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.Xr geom 8 .
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Note that device nodes from the
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.Xr nvme 4
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driver are not
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.Xr GEOM 4
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disks and cannot be partitioned.
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.Sh SEE ALSO
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.Xr GEOM 4 ,
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.Xr nvme 4 ,
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.Xr geom 8 ,
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.Xr nvmecontrol 8 ,
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.Xr disk 9
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.Sh HISTORY
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@ -1,5 +1,5 @@
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.\"
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.\" Copyright (c) 2012-2013 Intel Corporation
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.\" Copyright (c) 2012-2014 Intel Corporation
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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@ -33,7 +33,7 @@
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 9, 2013
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.Dd March 18, 2014
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.Dt NVME 4
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.Os
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.Sh NAME
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@ -54,7 +54,8 @@ nvme_load="YES"
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.Pp
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Most users will also want to enable
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.Xr nvd 4
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to surface NVM Express namespaces as disk devices.
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to surface NVM Express namespaces as disk devices which can be
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partitioned.
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Note that in NVM Express terms, a namespace is roughly equivalent to a
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SCSI LUN.
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.Sh DESCRIPTION
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@ -73,11 +74,13 @@ API for registering NVMe namespace consumers such as
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API for submitting NVM commands to namespaces
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.It
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Ioctls for controller and namespace configuration and management
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.El
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.Pp
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The
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.Nm
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creates controller devices in the format
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driver creates controller device nodes in the format
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.Pa /dev/nvmeX
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and namespace devices in
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and namespace device nodes in
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the format
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.Pa /dev/nvmeXnsY .
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Note that the NVM Express specification starts numbering namespaces at 1,
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