diff --git a/hw/arm/virt.c b/hw/arm/virt.c index a5d3ad9bf9..7934b23651 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1408,6 +1408,7 @@ static void create_pcie_irq_map(const MachineState *ms, static void create_smmu(const VirtMachineState *vms, PCIBus *bus) { + VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); char *node; const char compat[] = "arm,smmu-v3"; int irq = vms->irqmap[VIRT_SMMU]; @@ -1424,6 +1425,9 @@ static void create_smmu(const VirtMachineState *vms, dev = qdev_new(TYPE_ARM_SMMUV3); + if (!vmc->no_nested_smmu) { + object_property_set_str(OBJECT(dev), "stage", "nested", &error_fatal); + } object_property_set_link(OBJECT(dev), "primary-bus", OBJECT(bus), &error_abort); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); @@ -3308,8 +3312,12 @@ DEFINE_VIRT_MACHINE_AS_LATEST(9, 2) static void virt_machine_9_1_options(MachineClass *mc) { + VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); + virt_machine_9_2_options(mc); compat_props_add(mc->compat_props, hw_compat_9_1, hw_compat_9_1_len); + /* 9.1 and earlier have only a stage-1 SMMU, not a nested s1+2 one */ + vmc->no_nested_smmu = true; } DEFINE_VIRT_MACHINE(9, 1) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index a4d937ed45..aca4f8061b 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -134,6 +134,7 @@ struct VirtMachineClass { bool no_cpu_topology; bool no_tcg_lpa2; bool no_ns_el2_virt_timer_irq; + bool no_nested_smmu; }; struct VirtMachineState {