Lines Matching refs:DMA

12 	  remap DMA requests and/or remap interrupts from other devices on the
93 	  remapping of DMA memory accesses from devices. With an AMD IOMMU you
94 	  can isolate the DMA memory of different devices and protect the
125 	bool "Support for Intel IOMMU using DMA Remapping Devices"
131 	  DMA remapping (DMAR) devices support enables independent address
132 	  translations for Direct Memory Access (DMA) from devices.
133 	  These DMA remapping devices are reported via ACPI tables
134 	  and include PCI device scope covered by these DMA
139 	prompt "Enable Intel DMA Remapping Devices by default"
151 	  for DMA and avoid using DMA APIs. Setting this config
154 	  to use physical addresses for DMA, at least until this
161 	  Floppy disk drivers are known to bypass DMA API calls
263 	  remapping of DMA memory accesses from all of the IP blocks
268 	  allocated from the IPMMU (iova) for DMA with this option