1.\" $NetBSD: satmgr.4,v 1.3 2011/01/27 11:33:43 nisimura Exp $ 2.\" 3.\" Copyright (c) 2011 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Tohru Nishimura. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd January 26, 2011 31.Dt SATMGR 4 sandpoint 32.Os 33.Sh NAME 34.Nm satmgr 35.Nd driver for satellite processor, controlling power, front panel LEDs, and buttons 36.Sh SYNOPSIS 37.Cd "satmgr0 at eumb? unit 0" 38.Cd "satmgr0 at eumb? unit 1" 39.Sh DESCRIPTION 40This driver provides an interface to the 41.Tn NAS 42builtin satellite microprocessor which controls the power, front 43panel LEDs, and push buttons. 44Communication is performed through character sequences, whose 45definition and usage depend on the 46.Tn NAS 47product models. 48.Pp 49The device file 50.Pa /dev/satmgr 51can be written to control the satellite processor and the LEDs. 52Reading it will return single characters for button press events. 53This facility was designed to implement a 54.Tn NAS 55control 56.Tn CGI 57program. 58.Pp 59.Nm 60detects a soft power-off condition, which is triggered by holding 61the front panel power button pressed for several seconds. 62This driver can optionally invoke 63.Xr powerd 8 64to get a finer control over the system shutdown procedure. 65It is capable of reporting a power-button-pressed event. 66Refer to the 67.Xr powerd 8 68manual section for more details. 69.Pp 70For 71.Tn "Kurobox/Linkstation" 72.Tn NAS 73products it also provides a way to toggle the system watchdog with the 74.Xr sysctl 8 75utility. 76The usage is: 77.Bd -literal -offset indent 78# sysctl -w machdep.satmgr.hwwdog_enable=1 79# sysctl -w machdep.satmgr.hwwdog_enable=0 80.Ed 81.Pp 82.Tn NAS 83products currently supported by 84.Nm : 85.Bl -bullet -compact 86.It 87KuroBox 88.It 89Buffalo LinkStation 90.It 91Synology DiskStation 92.El 93.Sh FILES 94.Bl -tag -width /dev/satmgrX -compact 95.It Pa /dev/satmgr 96communication inferface to 97.Nm . 98.It Pa /dev/power 99event notify channel to 100.Xr powerd 8 . 101.El 102.Sh SEE ALSO 103.Xr powerd 8 104.Sh HISTORY 105The 106.Nm 107driver 108first appeared in 109.Nx 6.0 . 110