Lines Matching +full:dma +full:- +full:shared +full:- +full:all

1 # SPDX-License-Identifier: GPL-2.0-only
7 	bool "Support for Intel IOMMU using DMA Remapping Devices"
17 	  DMA remapping (DMAR) devices support enables independent address
18 	  translations for Direct Memory Access (DMA) from devices.
19 	  These DMA remapping devices are reported via ACPI tables
20 	  and include PCI device scope covered by these DMA
33 	  This option is -NOT- intended for production environments, and should
37 	bool "Support for Shared Virtual Memory with Intel IOMMU"
44 	  Shared Virtual Memory (SVM) provides a facility for devices
45 	  to access DMA resources through process address space by
50 	prompt "Enable Intel DMA Remapping Devices by default"
62 	  for DMA and avoid using DMA APIs. Setting this config
64 	  all the OS-visible memory. Hence the driver can continue
65 	  to use physical addresses for DMA, at least until this
72 	  Floppy disk drivers are known to bypass DMA API calls
83 	  VT-d 3.0. The scalable mode capability could be checked by reading
84 	  /sys/devices/virtual/iommu/dmar*/intel-iommu/ecap. If this option