1.\"- 2.\" SPDX-License-Identifier: BSD-2-Clause 3.\" 4.\" Copyright (c) 2018 Kyle Evans <kevans@FreeBSD.org> 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd January 6, 2018 28.Dt AW_SID 4 29.Os 30.Sh NAME 31.Nm aw_sid 32.Nd driver for the SID controller in Allwinner SoC 33.Sh DESCRIPTION 34The 35.Nm 36device driver provides support for the Allwinner SID (Security ID) controller. 37This controller provides root security keys that may be used as either a device 38unique ID or to generate a MAC address. 39.Sh HARDWARE 40The 41.Nm 42driver supports the SID controller with one of the following compatible 43strings: 44.Pp 45.Bl -bullet -compact 46.It 47allwinner,sun4i-a10-sid 48.It 49allwinner,sun7i-a20-sid 50.It 51allwinner,sun50i-a64-sid 52.It 53allwinner,sun8i-a83t-sid 54.It 55allwinner,sun8i-h3-sid 56.El 57.Sh SYSCTL VARIABLES 58The following read-only variables are available via 59.Xr sysctl 8 : 60.Bl -tag -width indent 61.It Va dev.aw_sid.rootkey 62Root security key for this device. 63.El 64.Sh HISTORY 65The 66.Nm 67device driver first appeared in 68.Fx 11.0 . 69.Sh AUTHORS 70The 71.Nm 72device driver was written by 73.An Jared McNeill Aq Mt jmcneill@invisible.ca . 74This manual page was written by 75.An Kyle Evans Aq Mt kevans@FreeBSD.org . 76