KSMN(4) Device Drivers Manual KSMN(4)

ksmnAMD F17 temperature sensor over SMN

ksmn* at pci?

The ksmn driver provides support for the temperature sensor available in the AMD Family 17h processors (Zen/Zen+/Zen2).

Sensor values are made available through the sysctl(8) interface.

intro(4), pci(4), sensorsd(8), sysctl(8)

The ksmn driver first appeared in OpenBSD 6.6.

The ksmn driver was written by Bryan Steele <brynet@openbsd.org>

September 26, 2019 OpenBSD 7.5