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| author | Eugenio Pérez | 2020-11-16 17:55:04 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin | 2020-12-08 19:48:57 +0100 |
| commit | b68ba1ca57677acf870d5ab10579e6105c1f5338 (patch) | |
| tree | 4eee168fcca4e55ebf285437e3c96d20b6ef9b83 /hw/virtio | |
| parent | memory: Add IOMMUTLBEvent (diff) | |
| download | qemu-b68ba1ca57677acf870d5ab10579e6105c1f5338.tar.gz qemu-b68ba1ca57677acf870d5ab10579e6105c1f5338.tar.xz qemu-b68ba1ca57677acf870d5ab10579e6105c1f5338.zip | |
memory: Add IOMMU_NOTIFIER_DEVIOTLB_UNMAP IOMMUTLBNotificationType
This allows us to differentiate between regular IOMMU map/unmap events
and DEVIOTLB unmap. Doing so, notifiers that only need device IOTLB
invalidations will not receive regular IOMMU unmappings.
Adapt intel and vhost to use it.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20201116165506.31315-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/vhost.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 614ccc2bcb..28c7d78172 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -718,7 +718,7 @@ static void vhost_iommu_region_add(MemoryListener *listener, iommu_idx = memory_region_iommu_attrs_to_index(iommu_mr, MEMTXATTRS_UNSPECIFIED); iommu_notifier_init(&iommu->n, vhost_iommu_unmap_notify, - IOMMU_NOTIFIER_UNMAP, + IOMMU_NOTIFIER_DEVIOTLB_UNMAP, section->offset_within_region, int128_get64(end), iommu_idx); |