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Mon, 4 Apr 2022 18:18:06 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B2DAFAE05F; Mon, 4 Apr 2022 18:18:02 +0000 (GMT) Received: from li-c92d2ccc-254b-11b2-a85c-a700b5bfb098.ibm.com.com (unknown [9.211.32.125]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 4 Apr 2022 18:18:02 +0000 (GMT) From: Matthew Rosato To: qemu-s390x@nongnu.org Subject: [PATCH v5 9/9] s390x/pci: reflect proper maxstbl for groups of interpreted devices Date: Mon, 4 Apr 2022 14:17:26 -0400 Message-Id: <20220404181726.60291-10-mjrosato@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220404181726.60291-1-mjrosato@linux.ibm.com> References: <20220404181726.60291-1-mjrosato@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 3xN6iYY4gyegze530AXa6CMpFVCRnqq5 X-Proofpoint-ORIG-GUID: 3bKx1-3MJxgQOgdEPDLQ49to_fbSfmIm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-04_06,2022-03-31_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 spamscore=0 priorityscore=1501 adultscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 clxscore=1015 malwarescore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204040103 Received-SPF: pass client-ip=148.163.156.1; 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_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The maximum supported store block length might be different depending on whether the instruction is interpretively executed (firmware-reported maximum) or handled via userspace intercept (host kernel API maximum). Choose the best available value during group creation. 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 985980f021..212dd053f7 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -213,7 +213,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, resgrp->msia = cap->msi_addr; resgrp->mui = cap->mui; resgrp->i = cap->noi; - resgrp->maxstbl = cap->maxstbl; + if (pbdev->interp && hdr->version >= 2) { + resgrp->maxstbl = cap->imaxstbl; + } else { + resgrp->maxstbl = cap->maxstbl; + } resgrp->version = cap->version; resgrp->dtsm = ZPCI_DTSM; } -- 2.27.0