Mercurial > illumos > git > illumos-gate
view usr/src/man/man7d/smntemp.7d @ 20101:1a5588aae48c
13144 refactor amdf17nbdf into a nexus
13145 rewrite amdf17nbdf to use the ksensor framework
13146 Want a driver for AMD SMN user access
Reviewed by: Patrick Mooney <pmooney@pfmooney.com>
Reviewed by: Mike Zeller <mike.zeller@joyent.com>
Reviewed by: Robert French <robert@robertdfrench.me>
Approved by: Richard Lowe <richlowe@richlowe.net>
author | Robert Mustacchi <rm@fingolfin.org> |
---|---|
date | Wed, 08 Apr 2020 21:35:09 -0700 |
parents | usr/src/man/man7d/amdf17nbdf.7d@60aa34669bcc |
children |
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.\" .\" This file and its contents are supplied under the terms of the .\" Common Development and Distribution License ("CDDL"), version 1.0. .\" You may only use this file in accordance with the terms of version .\" 1.0 of the CDDL. .\" .\" A full copy of the text of the CDDL should have accompanied this .\" source. A copy of the CDDL is also available via the Internet at .\" http://www.illumos.org/license/CDDL. .\" .\" .\" Copyright 2019, Joyent, Inc. .\" Copyright 2020 Oxide Computer Company .\" .Dd September 1, 2020 .Dt SMNTEMP 7D .Os .Sh NAME .Nm smntemp .Nd AMD SMN Temperature Sensor Driver .Sh SYNOPSIS .Pa /dev/sensors/temperature/cpu/* .Sh DESCRIPTION The .Nm driver provides the system access to the temperature sensor found in the AMD System Management Network .Pq SMN on AMD Family 17h .Pq Zen, Zen+, and Zen 2 processors. .Pp From this, the driver exposes temperature sensors. On Family 17h systems, temperature sensors exist for each Zeppelin die, of which there may be multiple in a single package. This means that each sensor covers more than one core. .Pp Temperature information is available to the system via the fault management architecture .Pq FMA . The file system location and programming interface to the .Nm driver are considered .Sy Volatile , subject to change without notice, and should not be used directly. Raw temperature information can be dumped through the FMA developer utility fmtopo. .Sh SEE ALSO .Xr fmadm 1M , .Xr amdnbtemp 7D , .Xr amdzen 7D .Rs .%A AMD .%B Open-Source Register Reference For AMD Family 17h Processors Models 00h-2Fh .%D July, 2018 .Re