Commit f9afa313 authored Aug 11, 2021 by Robin Murphy Committed by Joerg Roedel Aug 18, 2021

iommu/arm-smmu: Prepare for multiple DMA domain types

In preparation for the strict vs. non-strict decision for DMA domains to
be expressed in the domain type, make sure we expose our flush queue
awareness by accepting the new domain type.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/8f217ef285bd0bb9456c27ef622d2efdbbca1ad8.1628682049.git.robin.murphy@arm.com

Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 6d596039

drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1972,6 +1972,7 @@ static struct iommu_domain *arm_smmu_domain_alloc(unsigned type)

		if (type != IOMMU_DOMAIN_UNMANAGED &&
		type != IOMMU_DOMAIN_DMA &&
		type != IOMMU_DOMAIN_DMA_FQ &&
		type != IOMMU_DOMAIN_IDENTITY)
		return NULL;

drivers/iommu/arm/arm-smmu/arm-smmu.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -866,7 +866,8 @@ static struct iommu_domain *arm_smmu_domain_alloc(unsigned type)
		struct arm_smmu_domain *smmu_domain;

		if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_IDENTITY) {
		if (using_legacy_binding \|\| type != IOMMU_DOMAIN_DMA)
		if (using_legacy_binding \|\|
		(type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_DMA_FQ))
		return NULL;
		}
		/*