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-rw-r--r--include/linux/iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 1eb638752781..0c4d8ae985ac 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -424,6 +424,7 @@ struct iommu_fault_param {
* @attach_deferred: the dma domain attachment is deferred
* @pci_32bit_workaround: Limit DMA allocations to 32-bit IOVAs
* @require_direct: device requires IOMMU_RESV_DIRECT regions
+ * @shadow_on_flush: IOTLB flushes are used to sync shadow tables
*
* TODO: migrate other per device data pointers under iommu_dev_data, e.g.
* struct iommu_group *iommu_group;
@@ -439,6 +440,7 @@ struct dev_iommu {
u32 attach_deferred:1;
u32 pci_32bit_workaround:1;
u32 require_direct:1;
+ u32 shadow_on_flush:1;
};
int iommu_device_register(struct iommu_device *iommu,