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 <[email protected]> --- 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 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
