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Diffstat (limited to 'hw/virtio/vhost.c')
-rw-r--r--hw/virtio/vhost.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 613494d..0001e60 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -736,14 +736,20 @@ static void vhost_iommu_region_add(MemoryListener *listener,
struct vhost_dev *dev = container_of(listener, struct vhost_dev,
iommu_listener);
struct vhost_iommu *iommu;
+ Int128 end;
if (!memory_region_is_iommu(section->mr)) {
return;
}
iommu = g_malloc0(sizeof(*iommu));
- iommu->n.notify = vhost_iommu_unmap_notify;
- iommu->n.notifier_flags = IOMMU_NOTIFIER_UNMAP;
+ end = int128_add(int128_make64(section->offset_within_region),
+ section->size);
+ end = int128_sub(end, int128_one());
+ iommu_notifier_init(&iommu->n, vhost_iommu_unmap_notify,
+ IOMMU_NOTIFIER_UNMAP,
+ section->offset_within_region,
+ int128_get64(end));
iommu->mr = section->mr;
iommu->iommu_offset = section->offset_within_address_space -
section->offset_within_region;
@@ -765,7 +771,8 @@ static void vhost_iommu_region_del(MemoryListener *listener,
}
QLIST_FOREACH(iommu, &dev->iommu_list, iommu_next) {
- if (iommu->mr == section->mr) {
+ if (iommu->mr == section->mr &&
+ iommu->n.start == section->offset_within_region) {
memory_region_unregister_iommu_notifier(iommu->mr,
&iommu->n);
QLIST_REMOVE(iommu, iommu_next);