From patchwork Mon Mar 9 11:21:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 1251484 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 48bbV34vGKz9sPk for ; Mon, 9 Mar 2020 22:24:43 +1100 (AEDT) Received: from localhost ([::1]:41046 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBGWX-0003dI-Gc for incoming@patchwork.ozlabs.org; Mon, 09 Mar 2020 07:24:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47860) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jBGUP-0008VR-Rd for qemu-devel@nongnu.org; Mon, 09 Mar 2020 07:22:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jBGUO-0004bD-Nf for qemu-devel@nongnu.org; Mon, 09 Mar 2020 07:22:29 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:34150) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jBGUO-0004aP-Ez for qemu-devel@nongnu.org; Mon, 09 Mar 2020 07:22:28 -0400 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 029BKh8Q193551 for ; Mon, 9 Mar 2020 07:22:27 -0400 Received: from e06smtp03.uk.ibm.com (e06smtp03.uk.ibm.com [195.75.94.99]) by mx0a-001b2d01.pphosted.com with ESMTP id 2ym850hwqr-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 09 Mar 2020 07:22:27 -0400 Received: from localhost by e06smtp03.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) Mon, 9 Mar 2020 11:22:19 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 029BMIeK16253108 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 9 Mar 2020 11:22:18 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8C2614C050; Mon, 9 Mar 2020 11:22:18 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B6A1F4C046; Mon, 9 Mar 2020 11:22:17 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.87]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 9 Mar 2020 11:22:17 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v7 03/15] s390x: protvirt: Add migration blocker Date: Mon, 9 Mar 2020 07:21:54 -0400 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200309112206.20261-1-frankja@linux.ibm.com> References: <20200309112206.20261-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20030911-0012-0000-0000-0000038E8E75 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030911-0013-0000-0000-000021CB560C Message-Id: <20200309112206.20261-4-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-09_02:2020-03-08, 2020-03-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 phishscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 suspectscore=3 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003090080 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" Migration is not yet supported. Signed-off-by: Janosch Frank --- hw/s390x/s390-virtio-ccw.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index f718cfc591..4bb38704ff 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -43,6 +43,9 @@ #include "sysemu/sysemu.h" #include "hw/s390x/pv.h" #include +#include "migration/blocker.h" + +static Error *pv_mig_blocker; S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) { @@ -331,16 +334,33 @@ static void s390_machine_unprotect(S390CcwMachineState *ms) } ms->pv = false; } + migrate_del_blocker(pv_mig_blocker); + error_free(pv_mig_blocker); + pv_mig_blocker = NULL; } static int s390_machine_protect(S390CcwMachineState *ms) { + static Error *local_err; CPUState *t; int rc; + error_setg(&pv_mig_blocker, + "protected VMs are currently not migrateable."); + rc = migrate_add_blocker(pv_mig_blocker, &local_err); + if (local_err) { + error_report_err(local_err); + error_free(pv_mig_blocker); + pv_mig_blocker = NULL; + return rc; + } + /* Create SE VM */ rc = s390_pv_vm_enable(); if (rc) { + error_report_err(local_err); + error_free(pv_mig_blocker); + pv_mig_blocker = NULL; return rc; } @@ -470,11 +490,13 @@ static void s390_machine_reset(MachineState *machine) if (s390_machine_protect(ms)) { s390_machine_inject_pv_error(cs); - s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); - return; + goto pv_err; } run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); +pv_err: + /* Continue after the diag308 so the guest knows something went wrong. */ + s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); break; default: g_assert_not_reached();