1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2002 Hiten Pandya 4.\" Copyright (c) 2002 Robert N. M. Watson 5.\" 6.\" All rights reserved. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 18.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20.\" IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 21.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd July 5, 2022 31.Dt DEVINFO 8 32.Os 33.Sh NAME 34.Nm devinfo 35.Nd print information about system device configuration 36.Sh SYNOPSIS 37.Nm 38.Op Fl rv 39.Nm 40.Fl u 41.Nm 42.Fl p Ar dev Op Fl v 43.Sh DESCRIPTION 44The 45.Nm 46utility, without any arguments, shows the hierarchy of devices available 47in the system, starting from the 48.Dq nexus 49device. 50.Pp 51The following options are accepted. 52.Bl -tag -width indent 53.It Fl r 54Causes hardware resource information (such as IRQ, I/O ports, I/O memory 55addresses) to be also listed, under each device that has reserved those resources. 56.It Fl u 57Displays the same information as with 58.Fl r 59but sorts by resource type rather than by device, allowing to review the 60set of system resources by usage and available resources. 61I.e., it lists all 62the IRQ consumers together. 63.It Fl v 64Display all devices in the driver tree, not just those that are attached or 65busy. 66Without this flag, only those devices that have attached are reported. 67This flag also displays verbose information about each device. 68.It Fl p Ar dev 69Display the path of 70.Ar dev 71back to the root of the device tree. 72.El 73.Sh SEE ALSO 74.Xr systat 1 , 75.Xr devinfo 3 , 76.Xr devctl 8 , 77.Xr iostat 8 , 78.Xr pciconf 8 , 79.Xr vmstat 8 , 80.Xr devclass 9 , 81.Xr device 9 82.Sh AUTHORS 83.An Mike Smith Aq Mt msmith@FreeBSD.org 84