rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | What: /sys/firmware/opal/powercap |
| 2 | Date: August 2017 |
| 3 | Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> |
| 4 | Description: Powercap directory for Powernv (P8, P9) servers |
| 5 | |
| 6 | Each folder in this directory contains a |
| 7 | power-cappable component. |
| 8 | |
| 9 | What: /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 |
| 13 | Date: August 2017 |
| 14 | Contact: Linux for PowerPC mailing list <linuxppc-dev@ozlabs.org> |
| 15 | Description: 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. |