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powerpc/powernv: Add support to set power-shifting-ratio

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This patch adds support to set power-shifting-ratio which hints the
firmware how to distribute/throttle power between different entities
in a system (e.g CPU v/s GPU). This ratio is used by OCC for power
capping algorithm.

Signed-off-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Shilpasri G Bhat
2017-08-10 09:01:19 +05:30
committed by Michael Ellerman
parent cb8b340de2
commit 8e84b2d1f0
7 changed files with 204 additions and 1 deletions
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2
arch/powerpc/include/asm/opal-api.h
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@@ -196,6 +196,8 @@
#define OPAL_IMC_COUNTERS_STOP 151
#define OPAL_GET_POWERCAP 152
#define OPAL_SET_POWERCAP 153
#define OPAL_GET_POWER_SHIFT_RATIO 154
#define OPAL_SET_POWER_SHIFT_RATIO 155
#define OPAL_PCI_SET_P2P 157
#define OPAL_LAST 157