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-rw-r--r--drivers/dma/Kconfig34
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diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
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+#
+# DMA engine configuration
+#
+
+menu "DMA Engine support"
+
+config DMA_ENGINE
+ bool "Support for DMA engines"
+ ---help---
+ DMA engines offload copy operations from the CPU to dedicated
+ hardware, allowing the copies to happen asynchronously.
+
+comment "DMA Clients"
+
+config NET_DMA
+ bool "Network: TCP receive copy offload"
+ depends on DMA_ENGINE && NET
+ default y
+ ---help---
+ This enables the use of DMA engines in the network stack to
+ offload receive copy-to-user operations, freeing CPU cycles.
+ Since this is the main user of the DMA engine, it should be enabled;
+ say Y here.
+
+comment "DMA Devices"
+
+config INTEL_IOATDMA
+ tristate "Intel I/OAT DMA support"
+ depends on DMA_ENGINE && PCI
+ default m
+ ---help---
+ Enable support for the Intel(R) I/OAT DMA engine.
+
+endmenu
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