Re: [Qemu-arm] [RFC v8 15/18] hw/arm/virt: Add virtio-iommu to the virt board

[Jean-Philippe Brucker]

On 09/11/2018 11:29, Eric Auger wrote:
> +static void create_virtio_iommu(VirtMachineState *vms,
> +                                const char *pciehb_nodename, PCIBus *bus)
> +{
> +    const char compat[] = "virtio,pci-iommu";
> +    uint16_t bdf = 0x8; /* 00:01.0 */
> +    DeviceState *dev;
> +    char *node;
> +
> +    dev = qdev_create(BUS(bus), TYPE_VIRTIO_IOMMU_PCI);
> +    object_property_set_bool(OBJECT(dev), true, "realized", &error_fatal);

For the Arm virt platform, should msi_bypass default to false? Otherwise
I don't think pass-through to guest userpace will work.

Thanks,
Jean