On 12 April 2018 at 08:38, Eric Auger <eric.au...@redhat.com> wrote:
> At the moment, the SMMUv3 does not support notification on
> TLB invalidation. So let's log an error as soon as such notifier
> gets enabled.
>
> Signed-off-by: Eric Auger <eric.au...@redhat.com>
> ---
> hw/arm/smmuv3.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
> index 4be676b..6e0d7ad 100644
> --- a/hw/arm/smmuv3.c
> +++ b/hw/arm/smmuv3.c
> @@ -1147,12 +1147,23 @@ static void smmuv3_class_init(ObjectClass *klass,
> void *data)
> dc->realize = smmu_realize;
> }
>
> +static void smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu,
> + IOMMUNotifierFlag old,
> + IOMMUNotifierFlag new)
> +{
> + if (old == IOMMU_NOTIFIER_NONE) {
> + warn_report("SMMUV3 does not support vhost/vfio integration yet: "
> + "devices of those types will not function properly");
> + }
> +}
> +
> static void smmuv3_iommu_memory_region_class_init(ObjectClass *klass,
> void *data)
> {
> IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);
>
> imrc->translate = smmuv3_translate;
> + imrc->notify_flag_changed = smmuv3_notify_flag_changed;
> }
>
> static const TypeInfo smmuv3_type_info = {
> --
> 2.5.5
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
thanks
-- PMM
