static void spapr_phb_realize(DeviceState *dev, Error **errp)
{
- sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+ /* We don't use SPAPR_MACHINE() in order to exit gracefully if the user
+ * tries to add a sPAPR PHB to a non-pseries machine.
+ */
+ sPAPRMachineState *spapr =
+ (sPAPRMachineState *) object_dynamic_cast(qdev_get_machine(),
+ TYPE_SPAPR_MACHINE);
SysBusDevice *s = SYS_BUS_DEVICE(dev);
sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
PCIHostState *phb = PCI_HOST_BRIDGE(s);
const unsigned windows_supported =
sphb->ddw_enabled ? SPAPR_PCI_DMA_MAX_WINDOWS : 1;
+ if (!spapr) {
+ error_setg(errp, TYPE_SPAPR_PCI_HOST_BRIDGE " needs a pseries machine");
+ return;
+ }
+
if (sphb->index != (uint32_t)-1) {
sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
Error *local_err = NULL;