iommu/vt-d: Update IOMMU state when memory hotplug happens
If static identity domain is created, IOMMU driver needs to update
si_domain page table when memory hotplug event happens. Otherwise
PCI device DMA operations can't access the hot-added memory regions.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
diff --git a/include/linux/iova.h b/include/linux/iova.h
index 76a0759..3277f47 100644
--- a/include/linux/iova.h
+++ b/include/linux/iova.h
@@ -47,5 +47,7 @@
void init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit);
struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);
void put_iova_domain(struct iova_domain *iovad);
+struct iova *split_and_remove_iova(struct iova_domain *iovad,
+ struct iova *iova, unsigned long pfn_lo, unsigned long pfn_hi);
#endif