diff options
| -rw-r--r-- | include/exec/memory.h | 10 | ||||
| -rw-r--r-- | softmmu/memory.c | 13 |
2 files changed, 23 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 2e602a2fad..6fa0b071f0 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1732,6 +1732,16 @@ void memory_region_notify_iommu_one(IOMMUNotifier *notifier, IOMMUTLBEvent *event); /** + * memory_region_unmap_iommu_notifier_range: notify a unmap for an IOMMU + * translation that covers the + * range of a notifier + * + * @notifier: the notifier to be notified + */ +void memory_region_unmap_iommu_notifier_range(IOMMUNotifier *n); + + +/** * memory_region_register_iommu_notifier: register a notifier for changes to * IOMMU translation entries. * diff --git a/softmmu/memory.c b/softmmu/memory.c index da7d846619..4699ba55ec 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -1996,6 +1996,19 @@ void memory_region_notify_iommu_one(IOMMUNotifier *notifier, } } +void memory_region_unmap_iommu_notifier_range(IOMMUNotifier *n) +{ + IOMMUTLBEvent event; + + event.type = IOMMU_NOTIFIER_UNMAP; + event.entry.target_as = &address_space_memory; + event.entry.iova = n->start; + event.entry.perm = IOMMU_NONE; + event.entry.addr_mask = n->end - n->start; + + memory_region_notify_iommu_one(n, &event); +} + void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr, int iommu_idx, IOMMUTLBEvent event) |