s390x/pci: use a PCI Function structure

We use a ClpRspQueryPci structure to hold the information related to a
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 <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 036cf4635a..072b56e45e 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -778,6 +778,17 @@ 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_group = s390_group_find(ZPCI_DEFAULT_FN_GRP);
+}
+
 static void s390_pcihost_realize(DeviceState *dev, Error **errp)
 {
     PCIBus *b;
@@ -1000,6 +1011,7 @@ static void s390_pcihost_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
         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;