From cb8b340de21e1c57e1c6d4f26ccc4af46a3ed559 Mon Sep 17 00:00:00 2001 From: Shilpasri G Bhat Date: Thu, 10 Aug 2017 09:01:18 +0530 Subject: powerpc/powernv: Add support for powercap framework Adds a generic powercap framework to change the system powercap inband through OPAL-OCC command/response interface. Signed-off-by: Shilpasri G Bhat Signed-off-by: Michael Ellerman --- .../ABI/testing/sysfs-firmware-opal-powercap | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-firmware-opal-powercap (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-firmware-opal-powercap b/Documentation/ABI/testing/sysfs-firmware-opal-powercap new file mode 100644 index 000000000000..c9b66ec4f165 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-firmware-opal-powercap @@ -0,0 +1,31 @@ +What: /sys/firmware/opal/powercap +Date: August 2017 +Contact: Linux for PowerPC mailing list +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 +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. -- cgit