From patchwork Thu Nov 22 16:35:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Morel X-Patchwork-Id: 10694475 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 56C0B18F0 for ; Thu, 22 Nov 2018 16:40:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 41AA02CD3E for ; Thu, 22 Nov 2018 16:40:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 35FB72CD48; Thu, 22 Nov 2018 16:40:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AD6D72CD3E for ; Thu, 22 Nov 2018 16:40:43 +0000 (UTC) Received: from localhost ([::1]:47642 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPs1y-0003cg-SH for patchwork-qemu-devel@patchwork.kernel.org; Thu, 22 Nov 2018 11:40:42 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59425) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gPrxc-0007ef-BH for qemu-devel@nongnu.org; Thu, 22 Nov 2018 11:36:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gPrxa-0000Dh-C8 for qemu-devel@nongnu.org; Thu, 22 Nov 2018 11:36:12 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:38582) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gPrxa-00009u-3T for qemu-devel@nongnu.org; Thu, 22 Nov 2018 11:36:10 -0500 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wAMGYHc2059920 for ; Thu, 22 Nov 2018 11:36:09 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2nwwu0e805-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 22 Nov 2018 11:36:09 -0500 Received: from localhost by e06smtp02.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) Thu, 22 Nov 2018 16:36:03 -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 wAMGa2x851052728 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 22 Nov 2018 16:36:02 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E39AC4C04A; Thu, 22 Nov 2018 16:36:01 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7AA964C046; Thu, 22 Nov 2018 16:36:01 +0000 (GMT) Received: from morel-ThinkPad-W530.boeblingen.de.ibm.com (unknown [9.152.224.168]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 22 Nov 2018 16:36:01 +0000 (GMT) From: Pierre Morel To: borntraeger@de.ibm.com Date: Thu, 22 Nov 2018 17:35:53 +0100 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1542904555-1136-1-git-send-email-pmorel@linux.ibm.com> References: <1542904555-1136-1-git-send-email-pmorel@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18112216-0008-0000-0000-00000296FEAC X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18112216-0009-0000-0000-000022013427 Message-Id: <1542904555-1136-5-git-send-email-pmorel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-11-22_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1811220147 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v2 4/6] s390x/cpumodel: Set up CPU model for AQIC interception X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: akrowiak@linux.ibm.com, peter.maydell@linaro.org, david@redhat.com, cohuck@redhat.com, qemu-devel@nongnu.org, agraf@suse.de, pasic@linux.ibm.com, eric.auger@redhat.com, qemu-s390x@nongnu.org, mst@redhat.com, pbonzini@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP A new CPU model facilities is introduced to support AP devices interruption interception for a KVM guest. CPU model facility: The S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, CPU facility indicates whether AP interruption interception is available to the guest. This feature will be enabled only if the AP instructions are available on the linux host and AQIC facility is installed on the host. This feature must be turned on from userspace to intercept AP instructions on the KVM guest. The QEMU command line to turn this feature on looks something like this: qemu-system-s390x ... -cpu xxx,aqci=on ... Signed-off-by: Pierre Morel Reviewed-by: Tony Krowiak --- target/s390x/cpu_features.c | 1 + target/s390x/cpu_features_def.h | 1 + target/s390x/cpu_models.c | 1 + target/s390x/gen-features.c | 1 + 4 files changed, 4 insertions(+) diff --git a/target/s390x/cpu_features.c b/target/s390x/cpu_features.c index 60cfeba..c464abf 100644 --- a/target/s390x/cpu_features.c +++ b/target/s390x/cpu_features.c @@ -84,6 +84,7 @@ static const S390FeatDef s390_features[] = { FEAT_INIT("sema", S390_FEAT_TYPE_STFL, 59, "Semaphore-assist facility"), FEAT_INIT("tsi", S390_FEAT_TYPE_STFL, 60, "Time-slice Instrumentation facility"), FEAT_INIT("ri", S390_FEAT_TYPE_STFL, 64, "CPU runtime-instrumentation facility"), + FEAT_INIT("aqic", S390_FEAT_TYPE_STFL, 65, "AP-Queue interruption Control facility"), FEAT_INIT("zpci", S390_FEAT_TYPE_STFL, 69, "z/PCI facility"), FEAT_INIT("aen", S390_FEAT_TYPE_STFL, 71, "General-purpose-adapter-event-notification facility"), FEAT_INIT("ais", S390_FEAT_TYPE_STFL, 72, "General-purpose-adapter-interruption-suppression facility"), diff --git a/target/s390x/cpu_features_def.h b/target/s390x/cpu_features_def.h index 5fc7e7b..3f22780 100644 --- a/target/s390x/cpu_features_def.h +++ b/target/s390x/cpu_features_def.h @@ -72,6 +72,7 @@ typedef enum { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_TIME_SLICE_INSTRUMENTATION, S390_FEAT_RUNTIME_INSTRUMENTATION, + S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, S390_FEAT_ZPCI, S390_FEAT_ADAPTER_EVENT_NOTIFICATION, S390_FEAT_ADAPTER_INT_SUPPRESSION, diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 7c253ff..6b5e94b 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -788,6 +788,7 @@ static void check_consistency(const S390CPUModel *model) { S390_FEAT_SIE_KSS, S390_FEAT_SIE_F2 }, { S390_FEAT_AP_QUERY_CONFIG_INFO, S390_FEAT_AP }, { S390_FEAT_AP_FACILITIES_TEST, S390_FEAT_AP }, + { S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, S390_FEAT_AP }, }; int i; diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c index 70015ea..b051221 100644 --- a/target/s390x/gen-features.c +++ b/target/s390x/gen-features.c @@ -448,6 +448,7 @@ static uint16_t full_GEN12_GA1[] = { S390_FEAT_EDAT_2, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_AP_QUERY_CONFIG_INFO, + S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, S390_FEAT_AP_FACILITIES_TEST, S390_FEAT_AP, };