diff options
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 02f047c8e3..9ba2162cd9 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2969,11 +2969,21 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp) static void vtd_realize(DeviceState *dev, Error **errp) { - PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); - PCIBus *bus = pcms->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; IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev); X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(dev); + if (!pcms) { + error_setg(errp, "Machine-type '%s' not supported by intel-iommu", + mc->name); + return; + } + + bus = pcms->bus; VTD_DPRINTF(GENERAL, ""); x86_iommu->type = TYPE_INTEL; @@ -3009,6 +3019,8 @@ static void vtd_class_init(ObjectClass *klass, void *data) dc->hotpluggable = false; x86_class->realize = vtd_realize; x86_class->int_remap = vtd_int_remap; + /* Supported by the pc-q35-* machine types */ + dc->user_creatable = true; } static const TypeInfo vtd_info = { |