Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751114AbdGaHgZ (ORCPT ); Mon, 31 Jul 2017 03:36:25 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:34121 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750709AbdGaHgY (ORCPT ); Mon, 31 Jul 2017 03:36:24 -0400 From: Shilpasri G Bhat To: stewart@linux.vnet.ibm.com, cyrilbur@gmail.com Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, ego@linux.vnet.ibm.com, svaidy@linux.vnet.ibm.com, Shilpasri G Bhat Subject: [PATCH V9 0/3] powernv : Add support for OPAL-OCC command/response interface Date: Mon, 31 Jul 2017 13:06:02 +0530 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-MML: disable x-cbid: 17073107-0004-0000-0000-000002293DC1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17073107-0005-0000-0000-00005E0EC1FE Message-Id: <1501486565-16079-1-git-send-email-shilpa.bhat@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-07-31_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=1 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1706020000 definitions=main-1707310131 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1957 Lines: 41 In P9, OCC (On-Chip-Controller) supports shared memory based commad-response interface. Within the shared memory there is an OPAL command buffer and OCC response buffer that can be used to send inband commands to OCC. The following commands are supported: 1) Set system powercap 2) Set CPU-GPU power shifting ratio 3) Clear min/max for OCC sensor groups Changes from V9: - Fixed return after erroring from mutex_lock_interruptible() - Added documentation Shilpasri G Bhat (3): powernv: powercap: Add support for powercap framework powernv: Add support to set power-shifting-ratio powernv: Add support to clear sensor groups data .../ABI/testing/sysfs-firmware-opal-powercap | 31 +++ Documentation/ABI/testing/sysfs-firmware-opal-psr | 18 ++ .../bindings/powerpc/opal/sensor-groups.txt | 23 ++ arch/powerpc/include/asm/opal-api.h | 8 +- arch/powerpc/include/asm/opal.h | 9 + arch/powerpc/include/uapi/asm/opal-occ.h | 23 ++ arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/platforms/powernv/opal-occ.c | 116 ++++++++++ arch/powerpc/platforms/powernv/opal-powercap.c | 244 +++++++++++++++++++++ arch/powerpc/platforms/powernv/opal-psr.c | 175 +++++++++++++++ arch/powerpc/platforms/powernv/opal-wrappers.S | 5 + arch/powerpc/platforms/powernv/opal.c | 10 + 12 files changed, 662 insertions(+), 2 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-firmware-opal-powercap create mode 100644 Documentation/ABI/testing/sysfs-firmware-opal-psr create mode 100644 Documentation/devicetree/bindings/powerpc/opal/sensor-groups.txt create mode 100644 arch/powerpc/include/uapi/asm/opal-occ.h create mode 100644 arch/powerpc/platforms/powernv/opal-occ.c create mode 100644 arch/powerpc/platforms/powernv/opal-powercap.c create mode 100644 arch/powerpc/platforms/powernv/opal-psr.c -- 1.8.3.1