Add a new domain attribute to enable the TTBR1 pagetable for drivers
and devices that support it. This will enabled using a TTBR1 (otherwise
known as a "global" or "system" pagetable for devices that support a split
pagetable scheme for switching pagetables quickly and safely.
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---
include/linux/iommu.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 436dc21..d537cc9 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -114,6 +114,7 @@ enum iommu_attr {
DOMAIN_ATTR_FSL_PAMU_ENABLE,
DOMAIN_ATTR_FSL_PAMUV1,
DOMAIN_ATTR_NESTING, /* two stages of translation */
+ DOMAIN_ATTR_ENABLE_TTBR1,
DOMAIN_ATTR_MAX,
};
--
1.9.1
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