Commit 67be369f authored Jul 08, 2016 by Patrick Daly

iommu: Introduce DOMAIN_ATTR_SECURE_VMID



ARM iommus may support 2 stages of translation. In this case the base
page table stage1 addresses are actually intermediate physical address
rather than physical addresses and are subject to stage2 translation.
Add a new attribute to specify which stage2 table the stage1 base page
table needs to be mapped into.

Change-Id: I7cd008edbd3de31a9d2826e52e2e0d5b971275a9
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 8eb0b374

include/linux/iommu.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -128,6 +128,7 @@ enum iommu_attr {
		DOMAIN_ATTR_NON_FATAL_FAULTS,
		DOMAIN_ATTR_S1_BYPASS,
		DOMAIN_ATTR_ATOMIC,
		DOMAIN_ATTR_SECURE_VMID,
		DOMAIN_ATTR_MAX,
		};