1 #
2 # DMA engine configuration
3 #
4
5 menu "DMA Engine support"
6
7 config DMA_ENGINE
8 bool "Support for DMA engines"
9 ---help---
10 DMA engines offload copy operations from the CPU to dedicated
11 hardware, allowing the copies to happen asynchronously.
12
13 comment "DMA Clients"
14
15 config NET_DMA
16 bool "Network: TCP receive copy offload"
17 depends on DMA_ENGINE && NET
18 default y
19 ---help---
20 This enables the use of DMA engines in the network stack to
21 offload receive copy-to-user operations, freeing CPU cycles.
22 Since this is the main user of the DMA engine, it should be enabled;
23 say Y here.
24
25 comment "DMA Devices"
26
27 config INTEL_IOATDMA
28 tristate "Intel I/OAT DMA support"
29 depends on DMA_ENGINE && PCI
30 default m
31 ---help---
32 Enable support for the Intel(R) I/OAT DMA engine.
33
34 endmenu
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