From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B213FC432C1 for ; Tue, 24 Sep 2019 06:42:13 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0091B20665 for ; Tue, 24 Sep 2019 06:42:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0091B20665 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46cs763GNQzDqSm for ; Tue, 24 Sep 2019 16:42:10 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=fbarrat@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46cs4c5wDtzDq61 for ; Tue, 24 Sep 2019 16:39:59 +1000 (AEST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8O6bd11123995 for ; Tue, 24 Sep 2019 02:39:56 -0400 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2v7aaexf2g-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 24 Sep 2019 02:39:56 -0400 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 24 Sep 2019 07:39:53 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8O6dpai53280892 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 24 Sep 2019 06:39:51 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 827534C044; Tue, 24 Sep 2019 06:39:51 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3E45B4C040; Tue, 24 Sep 2019 06:39:51 +0000 (GMT) Received: from pic2.home (unknown [9.145.71.39]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 24 Sep 2019 06:39:51 +0000 (GMT) Subject: Re: [PATCH 00/11] opencapi: enable card reset and link retraining To: Alexey Kardashevskiy , linuxppc-dev@lists.ozlabs.org, andrew.donnellan@au1.ibm.com, clombard@linux.ibm.com References: <20190909154600.19917-1-fbarrat@linux.ibm.com> <7e29a072-f212-5d09-05b5-dbc1ee0916f0@ozlabs.ru> From: Frederic Barrat Date: Tue, 24 Sep 2019 08:39:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <7e29a072-f212-5d09-05b5-dbc1ee0916f0@ozlabs.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19092406-0020-0000-0000-00000370DBEC X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19092406-0021-0000-0000-000021C69A7D Message-Id: <9ccce9b5-bba8-2fab-6d82-59bf03bf8b36@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-24_03:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=21 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909240065 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: groug@kaod.org, alastair@au1.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Le 24/09/2019 à 06:24, Alexey Kardashevskiy a écrit : > Hi Fred, > > what is this made against of? It does not apply on the master. Thanks, It applies on v5.3. And I can see there's a conflict with the current state in the merge window. I'll resubmit. Fred > On 10/09/2019 01:45, Frederic Barrat wrote: >> This is the linux part of the work to use the PCI hotplug framework to >> control an opencapi card so that it can be reset and re-read after >> flashing a new FPGA image. I had posted it earlier as an RFC and this >> version is mostly similar, with just some minor editing. >> >> It needs support in skiboot: >> http://patchwork.ozlabs.org/project/skiboot/list/?series=129724 >> On an old skiboot, it will do nothing. >> >> A virtual PCI slot is created for the opencapi adapter, and its state >> can be controlled through the pnv-php hotplug driver: >> >> echo 0|1 > /sys/bus/pci/slots/OPENCAPI-<...>/power >> >> Note that the power to the card is not really turned off, as the card >> needs to stay on to be flashed with a new image. Instead the card is >> in reset. >> >> The first part of the series mostly deals with the pci/ioda state, as >> the opencapi devices can now go away and the state needs to be cleaned >> up. >> >> The second part is modifications to the PCI hotplug driver on powernv, >> so that a virtual slot is created for the opencapi adapters found in >> the device tree. >> >> >> >> Frederic Barrat (11): >> powerpc/powernv/ioda: Fix ref count for devices with their own PE >> powerpc/powernv/ioda: Protect PE list >> powerpc/powernv/ioda: set up PE on opencapi device when enabling >> powerpc/powernv/ioda: Release opencapi device >> powerpc/powernv/ioda: Find opencapi slot for a device node >> pci/hotplug/pnv-php: Remove erroneous warning >> pci/hotplug/pnv-php: Improve error msg on power state change failure >> pci/hotplug/pnv-php: Register opencapi slots >> pci/hotplug/pnv-php: Relax check when disabling slot >> pci/hotplug/pnv-php: Wrap warnings in macro >> ocxl: Add PCI hotplug dependency to Kconfig >> >> arch/powerpc/include/asm/pnv-pci.h | 1 + >> arch/powerpc/platforms/powernv/pci-ioda.c | 107 ++++++++++++++-------- >> arch/powerpc/platforms/powernv/pci.c | 10 +- >> drivers/misc/ocxl/Kconfig | 1 + >> drivers/pci/hotplug/pnv_php.c | 82 ++++++++++------- >> 5 files changed, 125 insertions(+), 76 deletions(-) >> >