1.\" 2.\" Copyright (c) 2017 Netflix, Inc. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: head/usr.sbin/efidp/efidp.8 343755 2019-02-04 21:28:25Z imp $ 26.\" 27.Dd June 6, 2020 28.Dt EFIDP 8 29.Os 30.Sh NAME 31.Nm efidp 32.Nd UEFI Device Path manipulation 33.Sh SYNOPSIS 34.Nm 35.Op Fl efpu 36.Op Fl -format 37.Op Fl -parse 38.Op Fl -to-efi 39.Op Fl -to-unix 40.Sh DESCRIPTION 41This program converts 42.Dq Unified Extensible Firmware Interface 43.Pq UEFI 44Device Paths, as defined in the UEFI standard, to and from binary form. 45Binary and textual forms are defined in Chapter 9 of the UEFI 46Specification. 47.Bl -tag -width 20m 48.It Fl f , Fl -format 49Formats a binary UEFI Device Path into its canonical UTF-8 textual form. 50A binary Device Path can be no longer than 65536 bytes. 51The textual form must fit into 65536 bytes. 52Multiple binary device paths may be specified. 53.It Fl p , Fl -parse 54Parses a UEFI Device Path UTF-8 specification and outputs the binary 55Device Path form. 56Only one device path is parsed, even if there are multiple present in 57the input. 58Leading white space is ignored. 59The resulting binary Device Path can be no longer than 65536 bytes. 60Multiple lines may be specified. 61Each one will be translated. 62.It Fl e , Fl -to-efi 63Translate a Unix file path to an EFI Device Path. 64The output is the textual representation of the EFI Device Path. 65.It Fl u , Fl -to-unix 66Translate an EFI device path to a Unix file path. 67The input is the textual representation of the EFI Device Path. 68.El 69.Sh SEE ALSO 70Appendix A of the UEFI specification has the format for GUIDs. 71All GUIDs 72.Pq Globally Unique Identifiers 73have the format described in RFC 4122. 74.Pp 75The Unified Extensible Firmware Interface Specification is available 76from 77.Pa www.uefi.org . 78.Sh HISTORY 79The 80.Nm 81utility first appeared in 82.Fx 11.1 . 83