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Tue, 7 Dec 2021 20:59:14 +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 16/32] KVM: s390: expose the guest zPCI interpretation facility Date: Tue, 7 Dec 2021 15:57:27 -0500 Message-Id: <20211207205743.150299-17-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 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Ospw1jk1KqW10jbzsW1L1zK_6IsjZrwf X-Proofpoint-ORIG-GUID: zQapEGCBifIhMu4aXIJirY6z0C0dCYlZ 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 mlxlogscore=888 suspectscore=0 bulkscore=0 impostorscore=0 mlxscore=0 adultscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112070126 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This facility will be used to enable interpretive execution of zPCI instructions. Signed-off-by: Matthew Rosato --- arch/s390/kvm/kvm-s390.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index c8fe9b7c2395..09991d05c871 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2751,6 +2751,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) set_kvm_facility(kvm->arch.model.fac_mask, 147); set_kvm_facility(kvm->arch.model.fac_list, 147); } + if (sclp.has_zpci_interp && test_facility(69)) { + set_kvm_facility(kvm->arch.model.fac_mask, 69); + set_kvm_facility(kvm->arch.model.fac_list, 69); + } if (css_general_characteristics.aiv && test_facility(65)) set_kvm_facility(kvm->arch.model.fac_mask, 65);