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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 192BAC4332F for ; Mon, 27 Sep 2021 16:00:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0298A61041 for ; Mon, 27 Sep 2021 16:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235378AbhI0QBy (ORCPT ); Mon, 27 Sep 2021 12:01:54 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:61516 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S235326AbhI0QBh (ORCPT ); Mon, 27 Sep 2021 12:01:37 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18RFp3ZW027286; Mon, 27 Sep 2021 11:59:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=DDR7amV9b4jtrTajEyb2TPW4T7H2hgWGOt0jFZPj8N8=; b=jzlGHBDa3HdDncX2q769zZMisUx2cqztQWptmDYSpP4e3CRPtN+Bj1kJTXWWHvcduweM eKCG06SNHk3WOZFBMVjNmDLswsDgDl/y6LvllFSU2+xRMeZNQEP8NLzEB6keDrdyRMu0 6Do/y08xA5WAVSS3iuiqU9IlV8dBrggLH+MdhG7wfr85WXr9fomav05539Ibqyfc1zYD +yaTJ7GyMQ0iFATfuokHsdyMXMsVkiO7zNnJkHe0Sdoyy/9PoG5BeR1Rb3s3/x6/0gmF o/K8OnmvAz3Cb5U+w3DJCvg7AYrv99ubKNKGqdBUn8L5Tsg1SFZx6JsV1cpW0PooUW53 /g== Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0b-001b2d01.pphosted.com with ESMTP id 3bagn80guk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Sep 2021 11:59:38 -0400 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 18RFv9wM023410; Mon, 27 Sep 2021 15:59:38 GMT Received: from b01cxnp22034.gho.pok.ibm.com (b01cxnp22034.gho.pok.ibm.com [9.57.198.24]) by ppma05wdc.us.ibm.com with ESMTP id 3b9udah94a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 27 Sep 2021 15:59:38 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 18RFxbYs38076742 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Sep 2021 15:59:37 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F1C862805C; Mon, 27 Sep 2021 15:59:36 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B1CDE28064; Mon, 27 Sep 2021 15:59:35 +0000 (GMT) Received: from v0005c16.aus.stglabs.ibm.com (unknown [9.211.70.165]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 27 Sep 2021 15:59:35 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, jk@ozlabs.org, joel@jms.id.au, alistair@popple.id.au, linux@roeck-us.net, jdelvare@suse.com, Eddie James Subject: [PATCH v3 3/4] docs: ABI: testing: Document the OCC hwmon FFDC binary interface Date: Mon, 27 Sep 2021 10:59:24 -0500 Message-Id: <20210927155925.15485-4-eajames@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210927155925.15485-1-eajames@linux.ibm.com> References: <20210927155925.15485-1-eajames@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ZbA8UBDt6cVQL7MpmzaHB9e-Jt8ETDYH X-Proofpoint-ORIG-GUID: ZbA8UBDt6cVQL7MpmzaHB9e-Jt8ETDYH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-27_06,2021-09-24_02,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 priorityscore=1501 spamscore=0 suspectscore=0 clxscore=1015 mlxscore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2109270106 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add documentation for the new binary sysfs that will dump the SBEFIFO FFDC. Signed-off-by: Eddie James --- .../testing/sysfs-bus-platform-devices-occ-hwmon | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon b/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon new file mode 100644 index 000000000000..b24d7ab0278f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-occ-hwmon @@ -0,0 +1,13 @@ +What: /sys/bus/platform/devices/occ-hwmon.X/ffdc +KernelVersion: 5.15 +Contact: eajames@linux.ibm.com +Description: + Contains the First Failure Data Capture from the SBEFIFO + hardware, if there is any from a previous transfer. Otherwise, + the file is empty. The data is cleared when it's been + completely read by a user. As the name suggests, only the data + from the first error is saved, until it's cleared upon read. The OCC hwmon driver, running on + a Baseboard Management Controller (BMC), communicates with + POWER9 and up processors over the Self-Boot Engine (SBE) FIFO. + In many error conditions, the SBEFIFO will return error data + indicating the type of error and system state, etc. -- 2.27.0