diff options
Diffstat (limited to 'hw/i386/amd_iommu.c')
| -rw-r--r-- | hw/i386/amd_iommu.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index efcc93cbfd..329058dac8 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -21,6 +21,7 @@ */ #include "qemu/osdep.h" #include "hw/i386/amd_iommu.h" +#include "qapi/error.h" #include "qemu/error-report.h" #include "trace.h" @@ -1137,7 +1138,19 @@ static void amdvi_realize(DeviceState *dev, Error **err) int ret = 0; AMDVIState *s = AMD_IOMMU_DEVICE(dev); X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev); - PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus; + MachineState *ms = MACHINE(qdev_get_machine()); + MachineClass *mc = MACHINE_GET_CLASS(ms); + PCMachineState *pcms = + PC_MACHINE(object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE)); + PCIBus *bus; + + if (!pcms) { + error_setg(err, "Machine-type '%s' not supported by amd-iommu", + mc->name); + return; + } + + bus = pcms->bus; s->iotlb = g_hash_table_new_full(amdvi_uint64_hash, amdvi_uint64_equal, g_free, g_free); |