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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BB46C00528 for ; Mon, 10 Jul 2023 09:28:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229553AbjGJJ2U (ORCPT ); Mon, 10 Jul 2023 05:28:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230035AbjGJJ2H (ORCPT ); Mon, 10 Jul 2023 05:28:07 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD9E993; Mon, 10 Jul 2023 02:28:06 -0700 (PDT) Received: from pps.filterd (m0353728.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36A9MnWJ019742; Mon, 10 Jul 2023 09:28:02 GMT 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=1ETM3ZV2G0pjYnWCAaDka1qaTNjsvUPhRVhjxdUSZNc=; b=o4vX2vtB44JXqpa4zMFDkzZJ+QX3a33MP+AUi/Lr/qVtIB062j5Tsds4hsrE/+cFXJ0W Jp8lxbxVZluq4FHlDCbCoFw+2T0Ifp6Xn/1uYsJjMNpCcdBo4AejXmhh9m8qTIBS5UV8 bRVMrg6cV8CanEdqJcoYjNU/KtFnTxqPLvPJc+Pu71dSCXXLjDgrYIxe+WX4kTc2l41t ZyxbYiLa7S8LJLLHavuGD1Rc79wVOWpXm/I5CL30+NTc3m/bgByCfL2Bx818AKETMM33 C3Amx1Bvo7ua4D8QXDAHD3Ko+4Q39hceIZOX/ffn9AP/NhJgJY53DNlDI/8kMhj6zZx/ 2Q== Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rrfa0r2x8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jul 2023 09:28:01 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 36A7mY5T014500; Mon, 10 Jul 2023 09:27:59 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma06ams.nl.ibm.com (PPS) with ESMTPS id 3rpy2e1595-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Jul 2023 09:27:59 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 36A9Rtm344564976 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 10 Jul 2023 09:27:55 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BBF442004B; Mon, 10 Jul 2023 09:27:55 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC63020043; Mon, 10 Jul 2023 09:27:53 +0000 (GMT) Received: from li-e8dccbcc-2adc-11b2-a85c-bc1f33b9b810.ibm.com.com (unknown [9.43.85.154]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 10 Jul 2023 09:27:53 +0000 (GMT) From: Kajol Jain To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, maddy@linux.ibm.com, atrajeev@linux.vnet.ibm.com, disgoel@linux.ibm.com, kjain@linux.ibm.com, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 08/10] docs: ABI: sysfs-bus-event_source-devices-hv_gpci: Document affinity_domain_via_domain sysfs interface file Date: Mon, 10 Jul 2023 14:57:15 +0530 Message-Id: <20230710092717.55317-9-kjain@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230710092717.55317-1-kjain@linux.ibm.com> References: <20230710092717.55317-1-kjain@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: O9ESu-ZK3bpuOpBh22Da7pOjHDMQTety X-Proofpoint-ORIG-GUID: O9ESu-ZK3bpuOpBh22Da7pOjHDMQTety X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-10_07,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 adultscore=0 bulkscore=0 mlxscore=0 phishscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307100082 Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Add details of the new hv-gpci interface file called "affinity_domain_via_domain" in the ABI documentation. Signed-off-by: Kajol Jain --- .../sysfs-bus-event_source-devices-hv_gpci | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci index 3b63d66658fe..d8e65b93d1f7 100644 --- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci +++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-hv_gpci @@ -176,3 +176,35 @@ Description: admin read only more information. * "-EFBIG" : System information exceeds PAGE_SIZE. + +What: /sys/devices/hv_gpci/interface/affinity_domain_via_domain +Date: July 2023 +Contact: Linux on PowerPC Developer List +Description: admin read only + This sysfs file exposes the system topology information by making HCALL + H_GET_PERF_COUNTER_INFO. The HCALL is made with counter request value + AFFINITY_DOMAIN_INFORMATION_BY_DOMAIN(0xB0). + + * This sysfs file will be created only for power10 and above platforms. + + * User needs root privileges to read data from this sysfs file. + + * This sysfs file will be created, only when the HCALL returns "H_SUCESS", + "H_AUTHORITY" and "H_PARAMETER" as the return type. + + HCALL with return error type "H_AUTHORITY", can be resolved during + runtime by setting "Enable Performance Information Collection" option. + + * The end user reading this sysfs file must decode the content as per + underlying platform/firmware. + + Possible error codes while reading this sysfs file: + + * "-EPERM" : Partition is not permitted to retrieve performance information, + required to set "Enable Performance Information Collection" option. + + * "-EIO" : Can't retrieve system information because of invalid buffer length/invalid address + or because of some hardware error. Refer getPerfCountInfo documentation for + more information. + + * "-EFBIG" : System information exceeds PAGE_SIZE. -- 2.31.1