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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 25 Jun 2019 21:13:15 +0100 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 x5PKDDQh61866160 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 Jun 2019 20:13:13 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1AD1A4C046; Tue, 25 Jun 2019 20:13:13 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 841114C050; Tue, 25 Jun 2019 20:13:12 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.145.159.147]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 25 Jun 2019 20:13:12 +0000 (GMT) Subject: Re: [PATCH v9 4/4] s390: ap: kvm: Enable PQAP/AQIC facility for the guest To: Pierre Morel Cc: alex.williamson@redhat.com, cohuck@redhat.com, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, frankja@linux.ibm.com, akrowiak@linux.ibm.com, pasic@linux.ibm.com, david@redhat.com, heiko.carstens@de.ibm.com, freude@linux.ibm.com, mimu@linux.ibm.com References: <1558452877-27822-1-git-send-email-pmorel@linux.ibm.com> <1558452877-27822-5-git-send-email-pmorel@linux.ibm.com> From: Christian Borntraeger Openpgp: preference=signencrypt Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <1558452877-27822-5-git-send-email-pmorel@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19062520-0020-0000-0000-0000034D561F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19062520-0021-0000-0000-000021A0C76F Message-Id: <69ca50bd-3f5c-98b1-3b39-04af75151baf@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-25_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 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-1906250151 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21.05.19 17:34, Pierre Morel wrote: > AP Queue Interruption Control (AQIC) facility gives > the guest the possibility to control interruption for > the Cryptographic Adjunct Processor queues. > > Signed-off-by: Pierre Morel > Reviewed-by: Tony Krowiak > --- > arch/s390/tools/gen_facilities.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/s390/tools/gen_facilities.c b/arch/s390/tools/gen_facilities.c > index 61ce5b5..aed14fc 100644 > --- a/arch/s390/tools/gen_facilities.c > +++ b/arch/s390/tools/gen_facilities.c > @@ -114,6 +114,7 @@ static struct facility_def facility_defs[] = { > .bits = (int[]){ > 12, /* AP Query Configuration Information */ > 15, /* AP Facilities Test */ > + 65, /* AP Queue Interruption Control */ > 156, /* etoken facility */ > -1 /* END */ > } > I think we should only set stfle.65 if we have the aiv facility (Because we do not have a GISA otherwise) So something like this instead? diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 28ebd64..1501cd6 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2461,6 +2461,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) set_kvm_facility(kvm->arch.model.fac_list, 147); } + if (css_general_characteristics.aiv) + set_kvm_facility(kvm->arch.model.fac_mask, 65); + kvm->arch.model.cpuid = kvm_s390_get_initial_cpuid(); kvm->arch.model.ibc = sclp.ibc & 0x0fff;