1What: /sys/firmware/opal/powercap 2Date: August 2017 3Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 4Description: Powercap directory for Powernv (P8, P9) servers 5 6 Each folder in this directory contains a 7 power-cappable component. 8 9What: /sys/firmware/opal/powercap/system-powercap 10 /sys/firmware/opal/powercap/system-powercap/powercap-min 11 /sys/firmware/opal/powercap/system-powercap/powercap-max 12 /sys/firmware/opal/powercap/system-powercap/powercap-current 13Date: August 2017 14Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 15Description: System powercap directory and attributes applicable for 16 Powernv (P8, P9) servers 17 18 This directory provides powercap information. It 19 contains below sysfs attributes: 20 21 - powercap-min : This file provides the minimum 22 possible powercap in Watt units 23 24 - powercap-max : This file provides the maximum 25 possible powercap in Watt units 26 27 - powercap-current : This file provides the current 28 powercap set on the system. Writing to this file 29 creates a request for setting a new-powercap. The 30 powercap requested must be between powercap-min 31 and powercap-max. 32