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 4f5186d..c9d6e21 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1151,12 +1151,23 @@ 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
