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Fri, 17 Dec 2021 15:06:04 +0000 (GMT) Message-ID: <4cd2dff3-7612-8b17-baa6-386cfc6501d6@linux.ibm.com> Date: Fri, 17 Dec 2021 16:06:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: [PATCH 17/32] KVM: s390: expose the guest Adapter Interruption Source ID facility Content-Language: en-US To: Matthew Rosato , 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, 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 References: <20211207205743.150299-1-mjrosato@linux.ibm.com> <20211207205743.150299-18-mjrosato@linux.ibm.com> From: Christian Borntraeger In-Reply-To: <20211207205743.150299-18-mjrosato@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dO2rGzo0WZvLNqfUh4BT2H5SSHQdh3DW X-Proofpoint-ORIG-GUID: ZxU0A4mq4zhEKI3KkFvt0jXXYjA9xZ4z 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=2021-12-17_05,2021-12-16_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 mlxscore=0 impostorscore=0 spamscore=0 clxscore=1015 adultscore=0 bulkscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112170088 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 07.12.21 um 21:57 schrieb Matthew Rosato: > This facility will be used to enable forwarding of PCI interrupts from > firmware directly to guests. > > 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 09991d05c871..d44ca313a1b7 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -2755,6 +2755,10 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) > set_kvm_facility(kvm->arch.model.fac_mask, 69); > set_kvm_facility(kvm->arch.model.fac_list, 69); > } > + if (sclp.has_aisii && test_facility(70)) { > + set_kvm_facility(kvm->arch.model.fac_mask, 70); > + set_kvm_facility(kvm->arch.model.fac_list, 70); > + } > same as patch 16 (as well as 18) > if (css_general_characteristics.aiv && test_facility(65)) > set_kvm_facility(kvm->arch.model.fac_mask, 65); >