Commit a0c45d4a authored Nov 03, 2016 by Patrick Daly

iommu: Introduce IOMMU_USE_UPSTREAM_HINT



Add documentation for this new attribute. It will be used on the
skunk target for allowing smmu clients to set the bus attributes
required to use system cache.

Change-Id: I7ff6281b73a677c66051f63ff6f446c3b1659aa1
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 827325a0

include/linux/iommu.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,8 @@
		#define IOMMU_NOEXEC (1 << 3)
		#define IOMMU_MMIO (1 << 4) /* e.g. things like MSI doorbells */
		#define IOMMU_PRIV (1 << 5)
		/* Use upstream device's bus attribute */
		#define IOMMU_USE_UPSTREAM_HINT (1 << 6)

		struct iommu_ops;
		struct iommu_group;