| What: /sys/firmware/opal/powercap |
| Date: August 2017 |
| Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> |
| Description: Powercap directory for Powernv (P8, P9) servers |
| |
| Each folder in this directory contains a |
| power-cappable component. |
| |
| What: /sys/firmware/opal/powercap/system-powercap |
| /sys/firmware/opal/powercap/system-powercap/powercap-min |
| /sys/firmware/opal/powercap/system-powercap/powercap-max |
| /sys/firmware/opal/powercap/system-powercap/powercap-current |
| Date: August 2017 |
| Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> |
| Description: System powercap directory and attributes applicable for |
| Powernv (P8, P9) servers |
| |
| This directory provides powercap information. It |
| contains below sysfs attributes: |
| |
| - powercap-min : This file provides the minimum |
| possible powercap in Watt units |
| |
| - powercap-max : This file provides the maximum |
| possible powercap in Watt units |
| |
| - powercap-current : This file provides the current |
| powercap set on the system. Writing to this file |
| creates a request for setting a new-powercap. The |
| powercap requested must be between powercap-min |
| and powercap-max. |