diff options
| -rw-r--r-- | hw/s390x/s390-pci-bus.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index bd8a3e1..3b9965f 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -397,6 +397,17 @@ static IOMMUTLBEntry s390_translate_iommu(IOMMUMemoryRegion *mr, hwaddr addr, return ret; } +static void s390_pci_iommu_replay(IOMMUMemoryRegion *iommu, + IOMMUNotifier *notifier) +{ + /* It's impossible to plug a pci device on s390x that already has iommu + * mappings which need to be replayed, that is due to the "one iommu per + * zpci device" construct. But when we support migration of vfio-pci + * devices in future, we need to revisit this. + */ + return; +} + static S390PCIIOMMU *s390_pci_get_iommu(S390pciState *s, PCIBus *bus, int devfn) { @@ -1045,6 +1056,7 @@ static void s390_iommu_memory_region_class_init(ObjectClass *klass, void *data) IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass); imrc->translate = s390_translate_iommu; + imrc->replay = s390_pci_iommu_replay; } static const TypeInfo s390_iommu_memory_region_info = { |