Justin Hibbits 9c6ba29de1 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
2018-05-22 02:42:53 +00:00
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2018-05-01 04:31:17 +00:00
2018-05-01 04:31:17 +00:00
2018-04-08 22:59:34 +00:00