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-rw-r--r--arch/x86_64/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index aab25f3ba3c..5c9aaed589a 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -750,6 +750,17 @@ config PCI_DOMAINS
depends on PCI
default y
+config DMAR
+ bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
+ depends on PCI_MSI && ACPI && EXPERIMENTAL
+ default y
+ help
+ 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 includes pci device scope covered by these DMA
+ remapping device.
+
source "drivers/pci/pcie/Kconfig"
source "drivers/pci/Kconfig"