CONFIG_IOMMU_DMA (not configurable)
modulename: dma-iommu.ko
configname: CONFIG_IOMMU_DMA
Linux Kernel Configuration
└─>Device Drivers
└─>IOMMU Hardware Support
└─>IOMMU_DMA
In linux kernel since version 3.10 (release Date: 2013-06-30)
source code:
selects
CONFIG_DMA_OPS_HELPERSCONFIG_IOMMU_API
CONFIG_IOMMU_IOVA
CONFIG_IRQ_MSI_IOMMU
CONFIG_NEED_SG_DMA_LENGTH
CONFIG_NEED_SG_DMA_FLAGS