* * @dev: the device in query * @startup: true if this is during early boot * * Returns: * - IOMMU_DOMAIN_DMA: device requires a dynamic mapping domain * - IOMMU_DOMAIN_IDENTITY: device requires an identical mapping domain * - 0: both identity and dynamic domains work for this devi...
为IOMMU group 分配默认的 domain 失败,则检查下一个struct iommu_group,否则继续执行; 创建设备直接映射,这主要通过iommu_group_create_direct_mappings()函数完成; 连接设备和 IOMMU domain,这主要通过__iommu_group_dma_attach()函数完成; 完成系统 I/O 设备的 IOMMU 探测,这主要通过__iommu_group_dma_finalize...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
为IOMMU group 分配默认的 domain 失败,则检查下一个struct iommu_group,否则继续执行; 创建设备直接映射,这主要通过iommu_group_create_direct_mappings()函数完成; 连接设备和 IOMMU domain,这主要通过__iommu_group_dma_attach()函数完成; 完成系统 I/O 设备的 IOMMU 探测,这主要通过__iommu_group_dma_finalize...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...
Memory access Domain assignment Exclusive access Show 5 more This page describes the IOMMU-based GPU isolation feature for IOMMU-capable devices, introduced in Windows 10 version 1803 (WDDM 2.4). See IOMMU DMA remapping for more recent IOMMU updates.Overview...