1.\" 2.\" Copyright (c) 2012 Intel Corporation 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions, and the following disclaimer, 10.\" without modification. 11.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer 12.\" substantially similar to the "NO WARRANTY" disclaimer below 13.\" ("Disclaimer") and any redistribution must be conditioned upon 14.\" including a substantially similar Disclaimer requirement for further 15.\" binary redistribution. 16.\" 17.\" NO WARRANTY 18.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22.\" HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27.\" IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGES. 29.\" 30.\" nvmecontrol man page. 31.\" 32.\" Author: Jim Harris <jimharris@FreeBSD.org> 33.\" 34.\" $FreeBSD$ 35.\" 36.Dd March 26, 2013 37.Dt NVMECONTROL 8 38.Os 39.Sh NAME 40.Nm nvmecontrol 41.Nd NVM Express control utility 42.Sh SYNOPSIS 43.Nm 44.Ic devlist 45.Nm 46.Ic identify 47.Op Fl v 48.Op Fl x 49.Aq device id 50.Nm 51.Ic perftest 52.Aq Fl n Ar num_threads 53.Aq Fl o Ar read|write 54.Op Fl p 55.Aq Fl s Ar size_in_bytes 56.Aq Fl t Ar time_in_sec 57.Aq namespace id 58.Nm 59.Ic reset 60.Aq controller id 61.Nm 62.Ic logpage 63.Aq Fl p Ar page_id 64.Op Fl x 65.Aq device id 66.Aq namespace id 67.Nm 68.Ic firmware 69.Op Fl s Ar slot 70.Op Fl f Ar path_to_firmware 71.Op Fl a 72.Aq device id 73.Nm 74.Ic power 75.Op Fl l 76.Op Fl p power_state 77.Op fl w workload_hint 78.Sh DESCRIPTION 79NVM Express (NVMe) is a storage protocol standard, for SSDs and other 80high-speed storage devices over PCI Express. 81.Sh EXAMPLES 82.Dl nvmecontrol devlist 83.Pp 84Display a list of NVMe controllers and namespaces along with their device nodes. 85.Pp 86.Dl nvmecontrol identify nvme0 87.Pp 88Display a human-readable summary of the nvme0 IDENTIFY_CONTROLLER data. 89.Pp 90.Dl nvmecontrol identify -x -v nvme0ns1 91.Pp 92Display a hexadecimal dump of the nvme0 IDENTIFY_NAMESPACE data for namespace 931. 94.Pp 95.Dl nvmecontrol perftest -n 32 -o read -s 512 -t 30 nvme0ns1 96.Pp 97Run a performance test on nvme0ns1 using 32 kernel threads for 30 seconds. Each 98thread will issue a single 512 byte read command. Results are printed to 99stdout when 30 seconds expires. 100.Pp 101.Dl nvmecontrol reset nvme0 102.Pp 103Perform a controller-level reset of the nvme0 controller. 104.Pp 105.Dl nvmecontrol logpage -p 1 nvme0 106.Pp 107Display a human-readable summary of the nvme0 controller's Error Information Log. 108Log pages defined by the NVMe specification include Error Information Log (ID=1), 109SMART/Health Information Log (ID=2), and Firmware Slot Log (ID=3). 110.Pp 111.Dl nvmecontrol logpage -p 1 -x nvme0 112.Pp 113Display a hexidecimal dump of the nvme0 controller's Error Information Log. 114.Pp 115.Dl nvmecontrol firmware -s 2 -f /tmp/nvme_firmware nvme0 116.Pp 117Download the firmware image contained in "/tmp/nvme_firmware" to slot 2 of the 118nvme0 controller, but do not activate the image. 119.Pp 120.Dl nvmecontrol firmware -s 4 -a nvme0 121.Pp 122Activate the firmware in slot 4 of the nvme0 controller on the next reset. 123.Pp 124.Dl nvmecontrol firmware -s 7 -f /tmp/nvme_firmware -a nvme0 125.Pp 126Download the firmware image contained in "/tmp/nvme_firmware" to slot 7 of the 127nvme0 controller and activate it on the next reset. 128.Pp 129.Dl nvmecontrol power -l nvme0 130.Pp 131List all the current power modes. 132.Pp 133.Dl nvmecontrol power -p 3 nvme0 134.Pp 135Set the current power mode. 136.Pp 137.Dl nvmecontrol power nvme0 138.Pp 139Get the current power mode. 140.Sh AUTHORS 141.An -nosplit 142.Nm 143was developed by Intel and originally written by 144.An Jim Harris Aq Mt jimharris@FreeBSD.org . 145.Pp 146This man page was written by 147.An Jim Harris Aq Mt jimharris@FreeBSD.org . 148