iommu/amd: Implement iommu_ops->def_domain_type call-back (bdf4a7c4) · Commits · 戴 / test

drivers/iommu/amd_iommu.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -2661,6 +2661,20 @@ static void amd_iommu_iotlb_sync(struct iommu_domain *domain,
		amd_iommu_flush_iotlb_all(domain);
		}

		static int amd_iommu_def_domain_type(struct device *dev)
		{
		struct iommu_dev_data *dev_data;

		dev_data = get_dev_data(dev);
		if (!dev_data)
		return 0;

		if (dev_data->iommu_v2)
		return IOMMU_DOMAIN_IDENTITY;

		return 0;
		}

		const struct iommu_ops amd_iommu_ops = {
		.capable = amd_iommu_capable,
		.domain_alloc = amd_iommu_domain_alloc,
		@@ -2680,6 +2694,7 @@ const struct iommu_ops amd_iommu_ops = {
		.pgsize_bitmap = AMD_IOMMU_PGSIZES,
		.flush_iotlb_all = amd_iommu_flush_iotlb_all,
		.iotlb_sync = amd_iommu_iotlb_sync,
		.def_domain_type = amd_iommu_def_domain_type,
		};

		/*****************************************************************************