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Commit | Line | Data |
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c13c8260 CL |
1 | # |
2 | # DMA engine configuration | |
3 | # | |
4 | ||
2ed6dc34 SN |
5 | menuconfig DMADEVICES |
6 | bool "DMA Offload Engine support" | |
7 | depends on (PCI && X86) || ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX | |
8 | help | |
9 | Intel(R) offload engines enable offloading memory copies in the | |
10 | network stack and RAID operations in the MD driver. | |
11 | ||
12 | if DMADEVICES | |
13 | ||
14 | comment "DMA Devices" | |
15 | ||
16 | config INTEL_IOATDMA | |
17 | tristate "Intel I/OAT DMA support" | |
18 | depends on PCI && X86 | |
19 | select DMA_ENGINE | |
20 | select DCA | |
21 | help | |
22 | Enable support for the Intel(R) I/OAT DMA engine present | |
23 | in recent Intel Xeon chipsets. | |
24 | ||
25 | Say Y here if you have such a chipset. | |
26 | ||
27 | If unsure, say N. | |
28 | ||
29 | config INTEL_IOP_ADMA | |
30 | tristate "Intel IOP ADMA support" | |
31 | depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX | |
32 | select ASYNC_CORE | |
33 | select DMA_ENGINE | |
34 | help | |
35 | Enable support for the Intel(R) IOP Series RAID engines. | |
c13c8260 CL |
36 | |
37 | config DMA_ENGINE | |
2ed6dc34 | 38 | bool |
c13c8260 | 39 | |
db217334 | 40 | comment "DMA Clients" |
2ed6dc34 | 41 | depends on DMA_ENGINE |
db217334 CL |
42 | |
43 | config NET_DMA | |
44 | bool "Network: TCP receive copy offload" | |
45 | depends on DMA_ENGINE && NET | |
2ed6dc34 | 46 | help |
db217334 CL |
47 | This enables the use of DMA engines in the network stack to |
48 | offload receive copy-to-user operations, freeing CPU cycles. | |
49 | Since this is the main user of the DMA engine, it should be enabled; | |
50 | say Y here. | |
51 | ||
2ed6dc34 | 52 | endif |