AMD IOMMU: register functions for the IOMMU API (26961efe) · Commits · e / devices / android_kernel_xiaomi_markw

arch/x86/kernel/amd_iommu.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,10 @@ static DEFINE_RWLOCK(amd_iommu_devtable_lock);
		static LIST_HEAD(iommu_pd_list);
		static DEFINE_SPINLOCK(iommu_pd_list_lock);

		#ifdef CONFIG_IOMMU_API
		static struct iommu_ops amd_iommu_ops;
		#endif

		/*
		* general struct to manage commands send to an IOMMU
		*/
		@@ -1593,6 +1597,10 @@ int __init amd_iommu_init_dma_ops(void)
		/* Make the driver finally visible to the drivers */
		dma_ops = &amd_iommu_dma_ops;

		#ifdef CONFIG_IOMMU_API
		register_iommu(&amd_iommu_ops);
		#endif

		bus_register_notifier(&pci_bus_type, &device_nb);

		return 0;
		@@ -1819,4 +1827,14 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,
		return paddr;
		}

		static struct iommu_ops amd_iommu_ops = {
		.domain_init = amd_iommu_domain_init,
		.domain_destroy = amd_iommu_domain_destroy,
		.attach_dev = amd_iommu_attach_device,
		.detach_dev = amd_iommu_detach_device,
		.map = amd_iommu_map_range,
		.unmap = amd_iommu_unmap_range,
		.iova_to_phys = amd_iommu_iova_to_phys,
		};

		#endif