FreeBSD/src 9c6ba29 (r334011)sys/conf files.powerpc, sys/powerpc/powernv opal_sensor.c opal.h

Basic OPAL sensor support for POWER9 platforms

Summary:
PowerNV architectures (in the test case POWER9) export sensors via the device
tree, which are accessed via OPAL calls.  This adds sysctl nodes for each
device in a generic fashion.  New sysctl nodes are:

dev.opal_sensor.N.sensor
dev.opal_sensor.N.sensor_min
dev.opal_sensor.N.sensor_max
dev.opal_sensor.N.type
dev.opal_sensor.N.label

These are rooted at a parent attachment under opal, called opalsens.  This does
not add support for the "sensor groups" defined in the device tree.

Reviewed by:    breno.leitao_gmail.com
Differential Revision: https://reviews.freebsd.org/D15362
DeltaFile
+336-0sys/powerpc/powernv/opal_sensor.c
+4-0sys/powerpc/powernv/opal.h
+1-0sys/conf/files.powerpc
+341-03 files

UnifiedSplitRaw