[PATCH 2/7] iommu: Add DOMAIN_ATTR_ENABLE_TTBR1

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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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