1*cb8b340dSShilpasri G BhatWhat: /sys/firmware/opal/powercap 2*cb8b340dSShilpasri G BhatDate: August 2017 3*cb8b340dSShilpasri G BhatContact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 4*cb8b340dSShilpasri G BhatDescription: Powercap directory for Powernv (P8, P9) servers 5*cb8b340dSShilpasri G Bhat 6*cb8b340dSShilpasri G Bhat Each folder in this directory contains a 7*cb8b340dSShilpasri G Bhat power-cappable component. 8*cb8b340dSShilpasri G Bhat 9*cb8b340dSShilpasri G BhatWhat: /sys/firmware/opal/powercap/system-powercap 10*cb8b340dSShilpasri G Bhat /sys/firmware/opal/powercap/system-powercap/powercap-min 11*cb8b340dSShilpasri G Bhat /sys/firmware/opal/powercap/system-powercap/powercap-max 12*cb8b340dSShilpasri G Bhat /sys/firmware/opal/powercap/system-powercap/powercap-current 13*cb8b340dSShilpasri G BhatDate: August 2017 14*cb8b340dSShilpasri G BhatContact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> 15*cb8b340dSShilpasri G BhatDescription: System powercap directory and attributes applicable for 16*cb8b340dSShilpasri G Bhat Powernv (P8, P9) servers 17*cb8b340dSShilpasri G Bhat 18*cb8b340dSShilpasri G Bhat This directory provides powercap information. It 19*cb8b340dSShilpasri G Bhat contains below sysfs attributes: 20*cb8b340dSShilpasri G Bhat 21*cb8b340dSShilpasri G Bhat - powercap-min : This file provides the minimum 22*cb8b340dSShilpasri G Bhat possible powercap in Watt units 23*cb8b340dSShilpasri G Bhat 24*cb8b340dSShilpasri G Bhat - powercap-max : This file provides the maximum 25*cb8b340dSShilpasri G Bhat possible powercap in Watt units 26*cb8b340dSShilpasri G Bhat 27*cb8b340dSShilpasri G Bhat - powercap-current : This file provides the current 28*cb8b340dSShilpasri G Bhat powercap set on the system. Writing to this file 29*cb8b340dSShilpasri G Bhat creates a request for setting a new-powercap. The 30*cb8b340dSShilpasri G Bhat powercap requested must be between powercap-min 31*cb8b340dSShilpasri G Bhat and powercap-max. 32