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Fri, 14 Jan 2022 20:39:06 GMT Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B98B6C6079; Fri, 14 Jan 2022 20:39:06 +0000 (GMT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7315BC6065; Fri, 14 Jan 2022 20:39:05 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.65.142]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 14 Jan 2022 20:39:05 +0000 (GMT) From: Matthew Rosato To: qemu-s390x@nongnu.org Subject: [PATCH v2 8/9] s390x/pci: use dtsm provided from vfio capabilities for interpreted devices Date: Fri, 14 Jan 2022 15:38:48 -0500 Message-Id: <20220114203849.243657-9-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220114203849.243657-1-mjrosato@linux.ibm.com> References: <20220114203849.243657-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: v8tEo-5NOx9-BmSO2IPz2VjMK8H1gWm2 X-Proofpoint-GUID: q3yQ-cKd2IU_UP7DYFmH6hup9qhja9NX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-14_06,2022-01-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 bulkscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201140120 Received-SPF: pass client-ip=148.163.158.5; envelope-from=mjrosato@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: farman@linux.ibm.com, kvm@vger.kernel.org, pmorel@linux.ibm.com, schnelle@linux.ibm.com, cohuck@redhat.com, richard.henderson@linaro.org, thuth@redhat.com, qemu-devel@nongnu.org, pasic@linux.ibm.com, alex.williamson@redhat.com, mst@redhat.com, pbonzini@redhat.com, david@redhat.com, borntraeger@linux.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" When using the IOAT assist via interpretation, we should advertise what the host driver supports, not QEMU. Reviewed-by: Pierre Morel Signed-off-by: Matthew Rosato --- hw/s390x/s390-pci-vfio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 4e3165bff5..347cbdfdf8 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -318,7 +318,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, resgrp->i = cap->noi; resgrp->maxstbl = cap->maxstbl; resgrp->version = cap->version; - resgrp->dtsm = ZPCI_DTSM; + if (hdr->version >= 2 && pbdev->interp) { + resgrp->dtsm = cap->dtsm; + } else { + resgrp->dtsm = ZPCI_DTSM; + } } }