Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751343AbdFEGPD (ORCPT ); Mon, 5 Jun 2017 02:15:03 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:60243 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751258AbdFEGPC (ORCPT ); Mon, 5 Jun 2017 02:15:02 -0400 From: Shilpasri G Bhat To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, svaidy@linux.vnet.ibm.com, ego@linux.vnet.ibm.com, Shilpasri G Bhat Subject: [RFC 0/2] Add support for OCC command/response interface Date: Mon, 5 Jun 2017 11:43:51 +0530 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-MML: disable x-cbid: 17060506-0044-0000-0000-0000026571F7 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17060506-0045-0000-0000-000006F3B4D2 Message-Id: <1496643233-14658-1-git-send-email-shilpa.bhat@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-06-05_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1706050116 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1016 Lines: 23 In P9, OCC(On Chip Controller) can be sent commands inband via shared memory based command response interface. This patch adds a platform driver to support the OCC command-response interface. The skiboot patch for the interface is posted here: https://lists.ozlabs.org/pipermail/skiboot/2017-June/007542.html Shilpasri G Bhat (2): powerpc/powernv: Get a unique token for async completions powerpc/powernv : Add support for OPAL-OCC command/response interface arch/powerpc/include/asm/opal-api.h | 40 ++- arch/powerpc/include/asm/opal.h | 4 + arch/powerpc/platforms/powernv/Makefile | 2 +- arch/powerpc/platforms/powernv/opal-async.c | 46 ++++ arch/powerpc/platforms/powernv/opal-occ.c | 349 +++++++++++++++++++++++++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + arch/powerpc/platforms/powernv/opal.c | 8 + 7 files changed, 448 insertions(+), 2 deletions(-) create mode 100644 arch/powerpc/platforms/powernv/opal-occ.c -- 1.8.3.1