| # |
| # DMA engine configuration |
| # |
| |
| menuconfig DMADEVICES |
| bool "DMA Offload Engine support" |
| depends on (PCI && X86) || ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX |
| help |
| Intel(R) offload engines enable offloading memory copies in the |
| network stack and RAID operations in the MD driver. |
| |
| 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 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 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. |
| |
| endif |
