0001 What: /sys/firmware/opal/powercap
0002 Date: August 2017
0003 Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
0004 Description: Powercap directory for Powernv (P8, P9) servers
0005
0006 Each folder in this directory contains a
0007 power-cappable component.
0008
0009 What: /sys/firmware/opal/powercap/system-powercap
0010 /sys/firmware/opal/powercap/system-powercap/powercap-min
0011 /sys/firmware/opal/powercap/system-powercap/powercap-max
0012 /sys/firmware/opal/powercap/system-powercap/powercap-current
0013 Date: August 2017
0014 Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org>
0015 Description: System powercap directory and attributes applicable for
0016 Powernv (P8, P9) servers
0017
0018 This directory provides powercap information. It
0019 contains below sysfs attributes:
0020
0021 - powercap-min : This file provides the minimum
0022 possible powercap in Watt units
0023
0024 - powercap-max : This file provides the maximum
0025 possible powercap in Watt units
0026
0027 - powercap-current : This file provides the current
0028 powercap set on the system. Writing to this file
0029 creates a request for setting a new-powercap. The
0030 powercap requested must be between powercap-min
0031 and powercap-max.
