Date: Sun, 8 Jul 2018 00:02:15 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336078 - in head/share/man/man4: . man4.aarch64 Message-ID: <201807080002.w6802FoJ058284@repo.freebsd.org>
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Author: ian Date: Sun Jul 8 00:02:14 2018 New Revision: 336078 URL: https://svnweb.freebsd.org/changeset/base/336078 Log: Move armv8crypto.4 into the aarch64 dir; should have been part of r336077. Pointy hat: ian@ Reported by: rpokola@ Added: head/share/man/man4/man4.aarch64/armv8crypto.4 - copied unchanged from r336077, head/share/man/man4/armv8crypto.4 Deleted: head/share/man/man4/armv8crypto.4 Copied: head/share/man/man4/man4.aarch64/armv8crypto.4 (from r336077, head/share/man/man4/armv8crypto.4) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/man/man4/man4.aarch64/armv8crypto.4 Sun Jul 8 00:02:14 2018 (r336078, copy of r336077, head/share/man/man4/armv8crypto.4) @@ -0,0 +1,83 @@ +.\" Copyright (c) 2016 The FreeBSD Foundation +.\" All rights reserved. +.\" +.\" This software was developed by Andrew Turner under +.\" sponsorship from the FreeBSD Foundation. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd October 20, 2016 +.Dt ARMV8CRYPTO 4 +.Os +.Sh NAME +.Nm armv8crypto +.Nd "driver for the AES accelerator on ARM CPUs" +.Sh SYNOPSIS +To compile this driver into the kernel, +place the following lines in your +kernel configuration file: +.Bd -ragged -offset indent +.Cd "device crypto" +.Cd "device armv8crypto" +.Ed +.Pp +Alternatively, to load the driver as a +module at boot time, place the following line in +.Xr loader.conf 5 : +.Bd -literal -offset indent +armv8crypto_load="YES" +.Ed +.Sh DESCRIPTION +Starting with the ARMv8 architecture ARM Limited has added optional +cryptography instructions to accelerate AES, SHA-1, SHA-2, and +finite field arithmetic. +.Pp +The processor capability is reported as AES in the Instruction Set +Attributes 0 line at boot. +The +.Nm +driver does not attach on systems that lack the required CPU capability. +.Pp +The +.Nm +driver registers itself to accelerate AES operations for +.Xr crypto 4 . +.Sh SEE ALSO +.Xr crypt 3 , +.Xr crypto 4 , +.Xr intro 4 , +.Xr ipsec 4 , +.Xr random 4 , +.Xr crypto 9 +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 11.0 . +.Sh AUTHORS +.An -nosplit +The +.Nm +driver was written by +.An Andrew Turner Aq Mt andrew@FreeBSD.org .
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