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 30CE4C433FE for ; Tue, 7 Dec 2021 21:01:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241718AbhLGVEr (ORCPT ); Tue, 7 Dec 2021 16:04:47 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:16624 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241511AbhLGVEO (ORCPT ); Tue, 7 Dec 2021 16:04:14 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1B7KMEpi030384; Tue, 7 Dec 2021 21:00:44 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=nH3JvcSM7GTpuqL9U77XD5o+HhemAVuVp+Er8iK8dnY=; b=s9yn9WYTUE7ecQfAvXe0f63ktYADhzkNIgdlSj0Yh6UpLcckiPEflixNCiaihglf3qpg C+rFMwP1obmjScE581+bCLBxDz4vel0o40jMbTR1/ZiMDdfxipKdRxJ1nDYsPuzgidYW H2+yv2uIiHfobI1VTVfO83/6wzIZdhGSGpwm7s5GLPFaNDEBSeG1/KmGfb6fpizpk1vI uLgBdKNzThYlUdI6hlSr4UfStx3rFTMAYErxbsPAoFImAO0zk9OxLItsK00EMJC+/eof erq6bsnEHpYILAJD8QM7zKJKQticmc/M0TA9ne8uf3QtJ+GTVUWA8Yl6bwwj6YJ6/+TE +w== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3ctek98nr1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Dec 2021 21:00:43 +0000 Received: from m0098410.ppops.net (m0098410.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1B7KU6A8013566; Tue, 7 Dec 2021 21:00:43 GMT Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com with ESMTP id 3ctek98nqj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Dec 2021 21:00:43 +0000 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1B7KvufC010237; Tue, 7 Dec 2021 21:00:42 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma02wdc.us.ibm.com with ESMTP id 3cqyyamm1d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Dec 2021 21:00:41 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1B7L0eo664815582 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 7 Dec 2021 21:00:40 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 32DF0AE05C; Tue, 7 Dec 2021 21:00:40 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5B709AE067; Tue, 7 Dec 2021 21:00:35 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.152.43]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 7 Dec 2021 21:00:35 +0000 (GMT) From: Matthew Rosato To: linux-s390@vger.kernel.org Cc: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com, farman@linux.ibm.com, pmorel@linux.ibm.com, borntraeger@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, vneethv@linux.ibm.com, oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 31/32] KVM: s390: introduce CPU feature for zPCI Interpretation Date: Tue, 7 Dec 2021 15:57:42 -0500 Message-Id: <20211207205743.150299-32-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211207205743.150299-1-mjrosato@linux.ibm.com> References: <20211207205743.150299-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: aVWykDbpNUIA7Ogy7hQe1V--nYjriJls X-Proofpoint-ORIG-GUID: BD-24fgN25QrupjEomfU_Hfktb1EPXFF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-07_08,2021-12-06_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 clxscore=1015 phishscore=0 mlxlogscore=999 adultscore=0 spamscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112070126 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org KVM_S390_VM_CPU_FEAT_ZPCI_INTERP relays whether zPCI interpretive execution is possible based on the available hardware facilities. Signed-off-by: Matthew Rosato --- arch/s390/include/uapi/asm/kvm.h | 1 + arch/s390/kvm/kvm-s390.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h index 7a6b14874d65..ed06458a871f 100644 --- a/arch/s390/include/uapi/asm/kvm.h +++ b/arch/s390/include/uapi/asm/kvm.h @@ -130,6 +130,7 @@ struct kvm_s390_vm_cpu_machine { #define KVM_S390_VM_CPU_FEAT_PFMFI 11 #define KVM_S390_VM_CPU_FEAT_SIGPIF 12 #define KVM_S390_VM_CPU_FEAT_KSS 13 +#define KVM_S390_VM_CPU_FEAT_ZPCI_INTERP 14 struct kvm_s390_vm_cpu_feat { __u64 feat[16]; }; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 361d742cdf0d..45d1bd295b38 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -434,6 +434,10 @@ static void kvm_s390_cpu_feat_init(void) if (test_facility(151)) /* DFLTCC */ __insn32_query(INSN_DFLTCC, kvm_s390_available_subfunc.dfltcc); + if (test_facility(69) && test_facility(70) && test_facility(71) && + test_facility(72)) /* zPCI Interpretation */ + allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ZPCI_INTERP); + if (MACHINE_HAS_ESOP) allow_cpu_feat(KVM_S390_VM_CPU_FEAT_ESOP); /* -- 2.27.0