1e3e90193SJim Harris.\" 28f3616caSJim Harris.\" Copyright (c) 2012-2014 Intel Corporation 3e3e90193SJim Harris.\" All rights reserved. 4e3e90193SJim Harris.\" 5e3e90193SJim Harris.\" Redistribution and use in source and binary forms, with or without 6e3e90193SJim Harris.\" modification, are permitted provided that the following conditions 7e3e90193SJim Harris.\" are met: 8e3e90193SJim Harris.\" 1. Redistributions of source code must retain the above copyright 9e3e90193SJim Harris.\" notice, this list of conditions, and the following disclaimer, 10e3e90193SJim Harris.\" without modification. 11e3e90193SJim Harris.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer 12e3e90193SJim Harris.\" substantially similar to the "NO WARRANTY" disclaimer below 13e3e90193SJim Harris.\" ("Disclaimer") and any redistribution must be conditioned upon 14e3e90193SJim Harris.\" including a substantially similar Disclaimer requirement for further 15e3e90193SJim Harris.\" binary redistribution. 16e3e90193SJim Harris.\" 17e3e90193SJim Harris.\" NO WARRANTY 18e3e90193SJim Harris.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19e3e90193SJim Harris.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20e3e90193SJim Harris.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21e3e90193SJim Harris.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22e3e90193SJim Harris.\" HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23e3e90193SJim Harris.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24e3e90193SJim Harris.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25e3e90193SJim Harris.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26e3e90193SJim Harris.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27e3e90193SJim Harris.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28e3e90193SJim Harris.\" POSSIBILITY OF SUCH DAMAGES. 29e3e90193SJim Harris.\" 30e3e90193SJim Harris.\" nvd driver man page. 31e3e90193SJim Harris.\" 32e3e90193SJim Harris.\" Author: Jim Harris <jimharris@FreeBSD.org> 33e3e90193SJim Harris.\" 34e3e90193SJim Harris.\" $FreeBSD$ 35e3e90193SJim Harris.\" 368f3616caSJim Harris.Dd March 18, 2014 37e3e90193SJim Harris.Dt NVD 4 38e3e90193SJim Harris.Os 39e3e90193SJim Harris.Sh NAME 40e3e90193SJim Harris.Nm nvd 41e3e90193SJim Harris.Nd NVM Express disk driver 42e3e90193SJim Harris.Sh SYNOPSIS 43e3e90193SJim HarrisTo compile this driver into your kernel, 44e3e90193SJim Harrisplace the following lines in your kernel configuration file: 45e3e90193SJim Harris.Bd -ragged -offset indent 46e3e90193SJim Harris.Cd "device nvme" 47e3e90193SJim Harris.Cd "device nvd" 48e3e90193SJim Harris.Ed 49e3e90193SJim Harris.Pp 50e3e90193SJim HarrisOr, to load the driver as a module at boot, place the following lines in 51e3e90193SJim Harris.Xr loader.conf 5 : 52e3e90193SJim Harris.Bd -literal -offset indent 53e3e90193SJim Harrisnvme_load="YES" 54e3e90193SJim Harrisnvd_load="YES" 55e3e90193SJim Harris.Ed 56e3e90193SJim Harris.Sh DESCRIPTION 57e3e90193SJim HarrisThe 58e3e90193SJim Harris.Nm 59e3e90193SJim Harrisdriver exposes NVM Express (NVMe) namespaces as disks to the kernel disk 60e3e90193SJim Harrisstorage API. 61e3e90193SJim HarrisIt depends on the 62e3e90193SJim Harris.Xr nvme 4 63e3e90193SJim Harrisdriver for notification of existing NVMe namespaces and submission of NVM 64e3e90193SJim HarrisI/O commands. 658f3616caSJim Harris.Pp 668f3616caSJim HarrisDevice nodes from the 678f3616caSJim Harris.Nm 688f3616caSJim Harrisdriver will have the format /dev/nvdX and are 698f3616caSJim Harris.Xr GEOM 4 708f3616caSJim Harrisdisks which can be partitioned by 718f3616caSJim Harris.Xr geom 8 . 728f3616caSJim HarrisNote that device nodes from the 738f3616caSJim Harris.Xr nvme 4 748f3616caSJim Harrisdriver are not 758f3616caSJim Harris.Xr GEOM 4 768f3616caSJim Harrisdisks and cannot be partitioned. 77e3e90193SJim Harris.Sh SEE ALSO 788f3616caSJim Harris.Xr GEOM 4 , 79e3e90193SJim Harris.Xr nvme 4 , 808f3616caSJim Harris.Xr geom 8 , 81e3e90193SJim Harris.Xr nvmecontrol 8 , 8278c7e17bSChristian Brueffer.Xr disk 9 831cb02270SJim Harris.Sh HISTORY 841cb02270SJim HarrisThe 851cb02270SJim Harris.Nm 861cb02270SJim Harrisdriver first appeared in 871cb02270SJim Harris.Fx 9.2 . 88e3e90193SJim Harris.Sh AUTHORS 89e3e90193SJim Harris.An -nosplit 90e3e90193SJim HarrisThe 91e3e90193SJim Harris.Nm 92e3e90193SJim Harrisdriver was developed by Intel and originally written by 93*6c899950SBaptiste Daroussin.An Jim Harris Aq Mt jimharris@FreeBSD.org , 94e3e90193SJim Harriswith contributions from Joe Golio at EMC. 95e3e90193SJim Harris.Pp 96e3e90193SJim HarrisThis man page was written by 97*6c899950SBaptiste Daroussin.An Jim Harris Aq Mt jimharris@FreeBSD.org . 98