diff options
| 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/i386/intel_iommu.c | |
| 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/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 56180b1c43..edc3090f91 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -2468,7 +2468,7 @@ static bool vtd_process_device_iotlb_desc(IntelIOMMUState *s, sz = VTD_PAGE_SIZE; } - event.type = IOMMU_NOTIFIER_UNMAP; + event.type = IOMMU_NOTIFIER_DEVIOTLB_UNMAP; event.entry.target_as = &vtd_dev_as->as; event.entry.addr_mask = sz - 1; event.entry.iova = addr; |