[I/OAT]: DMA memcpy subsystem

Provides an API for offloading memory copies to DMA devices Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · Jun 18, 2006 · c13c826 · c13c826
1 parent 427abfa
commit c13c826
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diff --git a/drivers/Kconfig b/drivers/Kconfig
@@ -72,4 +72,6 @@ source "drivers/edac/Kconfig"
 
 source "drivers/rtc/Kconfig"
 
+source "drivers/dma/Kconfig"
+
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
@@ -74,3 +74,4 @@ obj-$(CONFIG_SGI_SN)		+= sn/
 obj-y				+= firmware/
 obj-$(CONFIG_CRYPTO)		+= crypto/
 obj-$(CONFIG_SUPERH)		+= sh/
+obj-$(CONFIG_DMA_ENGINE)	+= dma/
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
@@ -0,0 +1,13 @@
+#
+# 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.
+
+endmenu
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
@@ -0,0 +1 @@
+obj-y += dmaengine.o