diff options
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/virtio-iommu-pci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/hw/virtio/virtio-iommu-pci.c b/hw/virtio/virtio-iommu-pci.c index 79ea8334f0..7ef2f9dcdb 100644 --- a/hw/virtio/virtio-iommu-pci.c +++ b/hw/virtio/virtio-iommu-pci.c @@ -17,6 +17,7 @@ #include "hw/qdev-properties-system.h" #include "qapi/error.h" #include "hw/boards.h" +#include "hw/pci/pci_bus.h" #include "qom/object.h" typedef struct VirtIOIOMMUPCI VirtIOIOMMUPCI; @@ -44,6 +45,7 @@ static Property virtio_iommu_pci_properties[] = { static void virtio_iommu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) { VirtIOIOMMUPCI *dev = VIRTIO_IOMMU_PCI(vpci_dev); + PCIBus *pbus = pci_get_bus(&vpci_dev->pci_dev); DeviceState *vdev = DEVICE(&dev->vdev); VirtIOIOMMU *s = VIRTIO_IOMMU(vdev); @@ -57,11 +59,17 @@ static void virtio_iommu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) s->reserved_regions[i].type != VIRTIO_IOMMU_RESV_MEM_T_MSI) { error_setg(errp, "reserved region %d has an invalid type", i); error_append_hint(errp, "Valid values are 0 and 1\n"); + return; } } + if (!pci_bus_is_root(pbus)) { + error_setg(errp, "virtio-iommu-pci must be plugged on the root bus"); + return; + } + object_property_set_link(OBJECT(dev), "primary-bus", - OBJECT(pci_get_bus(&vpci_dev->pci_dev)), - &error_abort); + OBJECT(pbus), &error_abort); + virtio_pci_force_virtio_1(vpci_dev); qdev_realize(vdev, BUS(&vpci_dev->bus), errp); } |