Add an attribute to return the base address of the pagetable. This is used
by auxiliary domains from arm-smmu to return the address of the pagetable
to the domain so that it can set the appropriate pagetable through it's
own means.
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---
include/linux/iommu.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b14398b..0e9bcd9 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -128,6 +128,8 @@ enum iommu_attr {
DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
/* Enable split pagetables (for example, TTBR1 on arm-smmu) */
DOMAIN_ATTR_SPLIT_TABLES,
+ /* Return the pagetable base address */
+ DOMAIN_ATTR_PTBASE,
DOMAIN_ATTR_MAX,
};
--
2.7.4
