Copyright (c) 2011 The NetBSD Foundation, Inc.
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by Tohru Nishimura.
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.Dd January 26, 2011 .Dt SATMGR 4 sandpoint .Os .Sh NAME .Nm satmgr .Nd driver for satellite processor, controlling power, front panel LEDs, and buttons .Sh SYNOPSIS .Cd "satmgr0 at eumb? unit 0" .Cd "satmgr0 at eumb? unit 1" .Sh DESCRIPTION This driver provides an interface to the .Tn NAS builtin satellite microprocessor which controls the power, front panel LEDs, and push buttons. Communication is performed through character sequences, whose definition and usage depend on the .Tn NAS product models.
p The device file
a /dev/satmgr can be written to control the satellite processor and the LEDs. Reading it will return single characters for button press events. This facility was designed to implement a .Tn NAS control .Tn CGI program.
p .Nm detects a soft power-off condition, which is triggered by holding the front panel power button pressed for several seconds. This driver can optionally invoke .Xr powerd 8 to get a finer control over the system shutdown procedure. It is capable of reporting a power-button-pressed event. Refer to the .Xr powerd 8 manual section for more details.
p For .Tn "Kurobox/Linkstation" .Tn NAS products it also provides a way to toggle the system watchdog with the .Xr sysctl 8 utility. The usage is: d -literal -offset indent # sysctl -w machdep.satmgr.hwwdog_enable=1 # sysctl -w machdep.satmgr.hwwdog_enable=0 .Ed
p .Tn NAS products currently supported by .Nm : l -bullet -compact t KuroBox t Buffalo LinkStation t Synology DiskStation .El .Sh FILES l -tag -width /dev/satmgrX -compact t Pa /dev/satmgr communication inferface to .Nm . t Pa /dev/power event notify channel to .Xr powerd 8 . .El .Sh SEE ALSO .Xr powerd 8 .Sh HISTORY The .Nm driver first appeared in .Nx 6.0 .
Indexes created Sun Oct 19 18:09:56 GMT 2025