Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp1921391ybf; Sun, 1 Mar 2020 21:42:46 -0800 (PST) X-Google-Smtp-Source: APXvYqzi1VOEZ4JICyTgqzTgcN+lqwXySX2ZVR4T7jozfZWhv3QFY4F9OcB9b+fwsbUIUaa/afOA X-Received: by 2002:a54:4816:: with SMTP id j22mr10798728oij.162.1583127765889; Sun, 01 Mar 2020 21:42:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583127765; cv=none; d=google.com; s=arc-20160816; b=buLeWaJjUKWw5pLCpJo50d7ni9XX7FkHCBDDYlfRqvtnUKZn17iYj9kS5/TCGBTjCc dmdr2cIpHAzSV6LnYz9yFb5KaeLFsa5eDxX0Nn5eDoA/SSh7x2bY6vjhC5BFDlAkdCe2 R+yLKNGgABzidkt69R9T3Q7PkIoAoRFcL6Oe5hv7YZadwVXxpFoQQfsrNIK8snn2pX0Q O0s5VrCmYI19b1qGLYzyJH12eOfWF4BA5bzlgPbhNUKudrtsYQERL4heAB0ZBUsC7JY4 TTT9jLNRyNqu/JtFwHVx4Te0i+L+t4na87hH7y10pfBz2RfLasW5+2Rx7kpTE5FPcYIm aHBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:content-transfer-encoding :mime-version:user-agent:organization:references:in-reply-to:date:cc :to:from:subject; bh=4gXAW+JSEKTm3cApPjPXTL3fboS7PW4vEXiA7Svtdno=; b=Jnn2w8Yujq1p10I+rthPXYy4EJ9QGuxqQerxkprwTU04qulxpTRu5CEGMDMZuqSxa6 gZVje3VPD9sOlrGvpofnzxG5RQeeNQwsZigDB3LBxPXnAa2U1bsvxpFSDaB5A940ZTzS ldKpVTfGkOg9cPL+d/1K+OoEn0EJHcqYMYWMAvkCBuRzuYkjR8ueQsiYBzi2QeSsK4Gm Q+UHMZVkYkl7kwyMgIbhJMifw+gWKgd+UEqldHla7ozWYdmGhbTPlzhKvvqaEJRsJfcN HfFLWvSwyym01aDs+pAeZhpyOIuy/7X9dFfje6woE/tGnK/57mAaQmg1z/WM45M45Gwd 3chg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o20si5835176ota.17.2020.03.01.21.42.34; Sun, 01 Mar 2020 21:42:45 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726775AbgCBFlI (ORCPT + 99 others); Mon, 2 Mar 2020 00:41:08 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:46604 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725446AbgCBFlH (ORCPT ); Mon, 2 Mar 2020 00:41:07 -0500 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0225ckDE181086 for ; Mon, 2 Mar 2020 00:41:06 -0500 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yfkn93qbx-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 02 Mar 2020 00:41:05 -0500 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 2 Mar 2020 05:41:03 -0000 Received: from b06cxnps4074.portsmouth.uk.ibm.com (9.149.109.196) by e06smtp01.uk.ibm.com (192.168.101.131) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 2 Mar 2020 05:40:56 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0225etsf54395120 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 2 Mar 2020 05:40:55 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CCBE11C05B; Mon, 2 Mar 2020 05:40:55 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 10D8611C066; Mon, 2 Mar 2020 05:40:55 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 2 Mar 2020 05:40:55 +0000 (GMT) Received: from adsilva.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id 38D18A00BE; Mon, 2 Mar 2020 16:40:50 +1100 (AEDT) Subject: Re: [PATCH v3 21/27] powerpc/powernv/pmem: Add an IOCTL to request controller health & perf data From: "Alastair D'Silva" To: Andrew Donnellan Cc: "Aneesh Kumar K . V" , "Oliver O'Halloran" , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Frederic Barrat , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Andrew Morton , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Anton Blanchard , Krzysztof Kozlowski , Mahesh Salgaonkar , Madhavan Srinivasan , =?ISO-8859-1?Q?C=E9dric?= Le Goater , Anju T Sudhakar , Hari Bathini , Thomas Gleixner , Greg Kurz , Nicholas Piggin , Masahiro Yamada , Alexey Kardashevskiy , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org Date: Mon, 02 Mar 2020 16:40:53 +1100 In-Reply-To: References: <20200221032720.33893-1-alastair@au1.ibm.com> <20200221032720.33893-22-alastair@au1.ibm.com> Organization: IBM Australia Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.4 (3.34.4-1.fc31) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 20030205-4275-0000-0000-000003A74018 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030205-4276-0000-0000-000038BC43F0 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-03-02_01:2020-02-28,2020-03-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 mlxlogscore=632 lowpriorityscore=0 priorityscore=1501 bulkscore=0 adultscore=0 suspectscore=0 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003020041 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-02-28 at 17:12 +1100, Andrew Donnellan wrote: > On 21/2/20 2:27 pm, Alastair D'Silva wrote: > > From: Alastair D'Silva > > > > When health & performance data is requested from the controller, > > it responds with an error log containing the requested information. > > > > This patch allows the request to me issued via an IOCTL. > > A better explanation would be good - this IOCTL triggers a request > to > the controller to collect controller health/perf data, and the > controller will later respond with an error log that can be picked > up > via the error log IOCTL that you've defined earlier. > > Ok -- Alastair D'Silva Open Source Developer Linux Technology Centre, IBM Australia mob: 0423 762 819