Support for DMA Remapping Devices (EXPERIMENTAL)
modulename: dmar.ko
and/orpci-dma.ko
configname: CONFIG_DMAR
Linux Kernel Configuration
└─>Bus options (PCI etc.)
└─>Support for DMA Remapping Devices (EXPERIMENTAL)
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices.
These DMA remapping devices are reported via ACPI tables
and include PCI device scope covered by these DMA
remapping devices.
translations for Direct Memory Access (DMA) from devices.
These DMA remapping devices are reported via ACPI tables
and include PCI device scope covered by these DMA
remapping devices.
depends
CONFIG_ACPICONFIG_EXPERIMENTAL
CONFIG_PCI_MSI