From patchwork Wed Mar 4 11:42:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 1248966 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com 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 ozlabs.org (Postfix) with ESMTPS id 48XXLh5TlJz9sQt for ; Wed, 4 Mar 2020 22:52:44 +1100 (AEDT) Received: from localhost ([::1]:33162 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SZu-00059x-NG for incoming@patchwork.ozlabs.org; Wed, 04 Mar 2020 06:52:42 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45457) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j9SRW-0007Ya-RR for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:44:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j9SRV-00085p-S2 for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:44:02 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:23964) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j9SRV-00080P-L0 for qemu-devel@nongnu.org; Wed, 04 Mar 2020 06:44:01 -0500 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 024BhmDU088022 for ; Wed, 4 Mar 2020 06:43:50 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2yhrydg0qp-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 04 Mar 2020 06:43:50 -0500 Received: from localhost by e06smtp04.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) Wed, 4 Mar 2020 11:43:23 -0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 024BhNRt54526020 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 4 Mar 2020 11:43:23 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F33B342041; Wed, 4 Mar 2020 11:43:22 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3C83D4203F; Wed, 4 Mar 2020 11:43:22 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.55]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 4 Mar 2020 11:43:22 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v6 15/18] s390x: protvirt: Handle SIGP store status correctly Date: Wed, 4 Mar 2020 06:42:28 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200304114231.23493-1-frankja@linux.ibm.com> References: <20200304114231.23493-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20030411-0016-0000-0000-000002ED13AD X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030411-0017-0000-0000-00003350608A Message-Id: <20200304114231.23493-16-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-04_03:2020-03-04, 2020-03-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=1 malwarescore=0 bulkscore=0 phishscore=0 impostorscore=0 spamscore=0 adultscore=0 clxscore=1015 mlxlogscore=682 priorityscore=1501 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003040090 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Status storing is not done by QEMU anymore, but is handled by SIE. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: David Hildenbrand --- target/s390x/helper.c | 4 ++++ target/s390x/sigp.c | 1 + 2 files changed, 5 insertions(+) diff --git a/target/s390x/helper.c b/target/s390x/helper.c index ed72684911..8b91ed68f0 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -246,6 +246,10 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch) hwaddr len = sizeof(*sa); int i; + if (cpu->env.pv) { + return 0; + } + sa = cpu_physical_memory_map(addr, &len, true); if (!sa) { return -EFAULT; diff --git a/target/s390x/sigp.c b/target/s390x/sigp.c index c604f17710..e1c8071464 100644 --- a/target/s390x/sigp.c +++ b/target/s390x/sigp.c @@ -497,6 +497,7 @@ void do_stop_interrupt(CPUS390XState *env) if (s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu) == 0) { qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); } + /* Storing will occur on next SIE entry for protected VMs */ if (cpu->env.sigp_order == SIGP_STOP_STORE_STATUS) { s390_store_status(cpu, S390_STORE_STATUS_DEF_ADDR, true); }