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Diffstat (limited to 'drivers/dma/Kconfig')
-rw-r--r-- | drivers/dma/Kconfig | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig new file mode 100644 index 0000000..904e575 --- /dev/null +++ b/drivers/dma/Kconfig @@ -0,0 +1,91 @@ +# +# DMA engine configuration +# + +menuconfig DMADEVICES + bool "DMA Engine support" + depends on !HIGHMEM64G && HAS_DMA + help + DMA engines can do asynchronous data transfers without + involving the host CPU. Currently, this framework can be + used to offload memory copies in the network stack and + RAID operations in the MD driver. This menu only presents + DMA Device drivers supported by the configured arch, it may + be empty in some cases. + +if DMADEVICES + +comment "DMA Devices" + +config INTEL_IOATDMA + tristate "Intel I/OAT DMA support" + depends on PCI && X86 + select DMA_ENGINE + select DCA + help + Enable support for the Intel(R) I/OAT DMA engine present + in recent Intel Xeon chipsets. + + Say Y here if you have such a chipset. + + If unsure, say N. + +config INTEL_IOP_ADMA + tristate "Intel IOP ADMA support" + depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX + select ASYNC_CORE + select DMA_ENGINE + help + Enable support for the Intel(R) IOP Series RAID engines. + +config DW_DMAC + tristate "Synopsys DesignWare AHB DMA support" + depends on AVR32 + select DMA_ENGINE + default y if CPU_AT32AP7000 + help + Support the Synopsys DesignWare AHB DMA controller. This + can be integrated in chips such as the Atmel AT32ap7000. + +config FSL_DMA + tristate "Freescale Elo and Elo Plus DMA support" + depends on FSL_SOC + select DMA_ENGINE + ---help--- + Enable support for the Freescale Elo and Elo Plus DMA controllers. + The Elo is the DMA controller on some 82xx and 83xx parts, and the + Elo Plus is the DMA controller on 85xx and 86xx parts. + +config MV_XOR + bool "Marvell XOR engine support" + depends on PLAT_ORION + select ASYNC_CORE + select DMA_ENGINE + ---help--- + Enable support for the Marvell XOR engine. + +config DMA_ENGINE + bool + +comment "DMA Clients" + depends on DMA_ENGINE + +config NET_DMA + bool "Network: TCP receive copy offload" + depends on DMA_ENGINE && NET + default (INTEL_IOATDMA || FSL_DMA) + help + This enables the use of DMA engines in the network stack to + offload receive copy-to-user operations, freeing CPU cycles. + + Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise + say N. + +config DMATEST + tristate "DMA Test client" + depends on DMA_ENGINE + help + Simple DMA test client. Say N unless you're debugging a + DMA Device driver. + +endif |