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memory: introduce memory_region_unmap_iommu_notifier_range()

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This patch introduces a new helper to unmap the range of a specific
IOMMU notifier.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230223065924.42503-4-jasowang@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang
2023-02-23 14:59:22 +08:00
committed by Michael S. Tsirkin
parent 09adb0e021
commit 7caebbf9ea
2 changed files with 23 additions and 0 deletions
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10
include/exec/memory.h
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@ -1731,6 +1731,16 @@ void memory_region_notify_iommu(IOMMUMemoryRegion *iommu_mr,
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.