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Sat, 7 Sep 2019 00:16:33 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6F78AB206A; Sat, 7 Sep 2019 00:16:33 +0000 (GMT) Received: from oc4221205838.ibm.com (unknown [9.85.134.207]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Sat, 7 Sep 2019 00:16:33 +0000 (GMT) From: Matthew Rosato To: cohuck@redhat.com Date: Fri, 6 Sep 2019 20:16:28 -0400 Message-Id: <1567815389-18229-5-git-send-email-mjrosato@linux.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1567815389-18229-1-git-send-email-mjrosato@linux.ibm.com> References: <1567815389-18229-1-git-send-email-mjrosato@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-06_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=953 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909070000 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH v3 4/5] s390: vfio_pci: Use a PCI Function structure X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: walling@linux.ibm.com, alex.williamson@redhat.com, pmorel@linux.ibm.com, david@redhat.com, mst@redhat.com, qemu-devel@nongnu.org, pasic@linux.ibm.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, pbonzini@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Pierre Morel We use a ClpRspQueryPci structure to hold the information related to zPCI Function. This allows us to be ready to support different zPCI functions and to retrieve the zPCI function information from the host. Signed-off-by: Pierre Morel --- hw/s390x/s390-pci-bus.c | 22 +++++++++++++++++----- hw/s390x/s390-pci-bus.h | 1 + hw/s390x/s390-pci-inst.c | 8 ++------ 3 files changed, 20 insertions(+), 11 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index e625217..0d404c3 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -770,6 +770,17 @@ static void s390_pci_init_default_group(void) resgrp->version = 0; } +static void set_pbdev_info(S390PCIBusDevice *pbdev) +{ + pbdev->zpci_fn.sdma = ZPCI_SDMA_ADDR; + pbdev->zpci_fn.edma = ZPCI_EDMA_ADDR; + pbdev->zpci_fn.pchid = 0; + pbdev->zpci_fn.ug = ZPCI_DEFAULT_FN_GRP; + pbdev->zpci_fn.fid = pbdev->fid; + pbdev->zpci_fn.uid = pbdev->uid; + pbdev->pci_grp = s390_grp_find(ZPCI_DEFAULT_FN_GRP); +} + static void s390_pcihost_realize(DeviceState *dev, Error **errp) { PCIBus *b; @@ -988,17 +999,18 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev, } } + pbdev->pdev = pdev; + pbdev->iommu = s390_pci_get_iommu(s, pci_get_bus(pdev), pdev->devfn); + pbdev->iommu->pbdev = pbdev; + pbdev->state = ZPCI_FS_DISABLED; + set_pbdev_info(pbdev); + if (object_dynamic_cast(OBJECT(dev), "vfio-pci")) { pbdev->fh |= FH_SHM_VFIO; } else { pbdev->fh |= FH_SHM_EMUL; } - pbdev->pdev = pdev; - pbdev->iommu = s390_pci_get_iommu(s, pci_get_bus(pdev), pdev->devfn); - pbdev->iommu->pbdev = pbdev; - pbdev->state = ZPCI_FS_DISABLED; - if (s390_pci_msix_init(pbdev)) { error_setg(errp, "MSI-X support is mandatory " "in the S390 architecture"); diff --git a/hw/s390x/s390-pci-bus.h b/hw/s390x/s390-pci-bus.h index e95a797..8c969d1 100644 --- a/hw/s390x/s390-pci-bus.h +++ b/hw/s390x/s390-pci-bus.h @@ -337,6 +337,7 @@ struct S390PCIBusDevice { uint16_t noi; uint8_t sum; S390PCIGroup *pci_grp; + ClpRspQueryPci zpci_fn; S390MsixInfo msix; AdapterRoutes routes; S390PCIIOMMU *iommu; diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 00dd176..b02c360 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -267,6 +267,8 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra) goto out; } + memcpy(resquery, &pbdev->zpci_fn, sizeof(*resquery)); + for (i = 0; i < PCI_BAR_COUNT; i++) { uint32_t data = pci_get_long(pbdev->pdev->config + PCI_BASE_ADDRESS_0 + (i * 4)); @@ -280,12 +282,6 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra) resquery->bar_size[i]); } - stq_p(&resquery->sdma, ZPCI_SDMA_ADDR); - stq_p(&resquery->edma, ZPCI_EDMA_ADDR); - stl_p(&resquery->fid, pbdev->fid); - stw_p(&resquery->pchid, 0); - stw_p(&resquery->ug, ZPCI_DEFAULT_FN_GRP); - stl_p(&resquery->uid, pbdev->uid); stw_p(&resquery->hdr.rsp, CLP_RC_OK); break; }