freebsd-skq/share/man/man4/amdsmn.4
Conrad Meyer 907f50fe04 Add smn(4) driver for AMD System Management Network
AMD Family 17h CPUs have an internal network used to communicate between
the host CPU and the PSP and SMU coprocessors.  It exposes a simple
32-bit register space.

Reviewed by:	avg (no +1), mjoras, truckman
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D12217
2017-09-05 15:13:41 +00:00

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.\"-
.\" Copyright (c) 2017 Conrad Meyer <cem@FreeBSD.org>
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.Dd September 5, 2017
.Dt AMDSMN 4
.Os
.Sh NAME
.Nm amdsmn
.Nd device driver for
.Tn AMD
processor System Management Network
.Sh SYNOPSIS
To compile this driver into the kernel, place the following line in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device amdsmn"
.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
amdsmn_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides support for resources on the System Management Network bus
in
.Tn AMD
Family 17h processors.
.Sh SEE ALSO
.Xr loader 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Fx 12.0 .
.Sh AUTHORS
.An Conrad Meyer Aq Mt cem@FreeBSD.org