From patchwork Thu Jan 5 14:53:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Morel X-Patchwork-Id: 13090070 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 43F75C3DA7A for ; Thu, 5 Jan 2023 14:57:28 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pDRdI-00066j-0d; Thu, 05 Jan 2023 09:54:16 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pDRd7-0005wG-1E; Thu, 05 Jan 2023 09:54:07 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pDRd3-0004xi-Pl; Thu, 05 Jan 2023 09:54:04 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 305EokUr021279; Thu, 5 Jan 2023 14:53:33 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=tJNKQ6XLjc0XBA0Vpw8/hB1o+7HqorlTgkt4Qg6FCGk=; b=UkixJwpxsLWgXQXiBSFp9O1F4BU6W6QUP4bMBh1QsE444Pjl2BY7M31SBTiO466VyW0N EBNT7dFMz0hqiLHgwECykcbav6w6id9Ln4Z+Cv5OgX7exY8QTGZzIBDMExhh3qnuboqX V9jUkxrIEI0/ppGtQasb99+cX4vstl73yOnZ1e4SJRlizhKMjoYRplJ8bwtSnGOLWqbs q2ICFhYm+RfCVwWiZJzdhP+0dlWkh9u02vQw7pk+OqDlrH/TYtUTJnAodycgtOQfKc+z GcqT77hqFbCZFERFrSnpMnFDm0ExNziXFfMPnhAo1CDdkaibxbqcDqI6/E+LRWrrCDUA /Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3mx0p101v4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 05 Jan 2023 14:53:33 +0000 Received: from m0098409.ppops.net (m0098409.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 305ErW25032765; Thu, 5 Jan 2023 14:53:32 GMT Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3mx0p101uh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 05 Jan 2023 14:53:32 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3050abd3018137; Thu, 5 Jan 2023 14:53:29 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma02fra.de.ibm.com (PPS) with ESMTPS id 3mtcq6w1xb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 05 Jan 2023 14:53:29 +0000 Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 305ErQD942992086 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 5 Jan 2023 14:53:26 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26C9A20040; Thu, 5 Jan 2023 14:53:26 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3C91720049; Thu, 5 Jan 2023 14:53:25 +0000 (GMT) Received: from li-c6ac47cc-293c-11b2-a85c-d421c8e4747b.ibm.com.com (unknown [9.171.26.113]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 5 Jan 2023 14:53:25 +0000 (GMT) From: Pierre Morel To: qemu-s390x@nongnu.org Cc: qemu-devel@nongnu.org, borntraeger@de.ibm.com, pasic@linux.ibm.com, richard.henderson@linaro.org, david@redhat.com, thuth@redhat.com, cohuck@redhat.com, mst@redhat.com, pbonzini@redhat.com, kvm@vger.kernel.org, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, eblake@redhat.com, armbru@redhat.com, seiden@linux.ibm.com, nrb@linux.ibm.com, scgl@linux.ibm.com, frankja@linux.ibm.com, berrange@redhat.com, clg@kaod.org Subject: [PATCH v14 10/11] qapi/s390/cpu topology: POLARITY_CHANGE qapi event Date: Thu, 5 Jan 2023 15:53:12 +0100 Message-Id: <20230105145313.168489-11-pmorel@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230105145313.168489-1-pmorel@linux.ibm.com> References: <20230105145313.168489-1-pmorel@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: bvS4Hef6DIb0ypJN4eff5Kb9XX84u_5M X-Proofpoint-ORIG-GUID: YSD0-adTzK4EwNlM93Xbdko_jbUkEv84 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-05_05,2023-01-05_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 clxscore=1015 phishscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 spamscore=0 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301050114 Received-SPF: pass client-ip=148.163.156.1; envelope-from=pmorel@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org When the guest asks to change the polarity this change is forwarded to the admin using QAPI. The admin is supposed to take according decisions concerning CPU provisioning. Signed-off-by: Pierre Morel --- qapi/machine-target.json | 21 +++++++++++++++++++++ hw/s390x/cpu-topology.c | 2 ++ 2 files changed, 23 insertions(+) diff --git a/qapi/machine-target.json b/qapi/machine-target.json index 927618a78f..10235cfb45 100644 --- a/qapi/machine-target.json +++ b/qapi/machine-target.json @@ -437,3 +437,24 @@ 'returns': ['S390CpuTopology'], 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } } + +## +# @POLARITY_CHANGE: +# +# Emitted when the guest asks to change the polarity. +# +# @polarity: polarity specified by the guest +# +# Since: 8.0 +# +# Example: +# +# <- { "event": "POLARITY_CHANGE", +# "data": { "polarity": 0 }, +# "timestamp": { "seconds": 1401385907, "microseconds": 422329 } } +# +## +{ 'event': 'POLARITY_CHANGE', + 'data': { 'polarity': 'int' }, + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM'] } +} diff --git a/hw/s390x/cpu-topology.c b/hw/s390x/cpu-topology.c index c3748654ff..45621387d5 100644 --- a/hw/s390x/cpu-topology.c +++ b/hw/s390x/cpu-topology.c @@ -19,6 +19,7 @@ #include "hw/s390x/s390-virtio-ccw.h" #include "hw/s390x/cpu-topology.h" #include "qapi/qapi-commands-machine-target.h" +#include "qapi/qapi-events-machine-target.h" #include "qapi/qmp/qdict.h" #include "monitor/hmp.h" #include "monitor/monitor.h" @@ -128,6 +129,7 @@ void s390_topology_set_polarity(int polarity) } } s390_cpu_topology_set(); + qapi_event_send_polarity_change(polarity); } /*