[dpdk-dev] [PATCH] dmadev: introduce DMA device library

fengchengwen fengchengwen at huawei.com
Tue Jul 6 08:25:06 CEST 2021


On 2021/7/4 23:21, Matan Azrad wrote:
> 
> 
> From: Chengwen Feng
>> This patch introduces 'dmadevice' which is a generic type of DMA
>> device.
>>
>> The APIs of dmadev library exposes some generic operations which can
>> enable configuration and I/O with the DMA devices.
>>
> Did you consider RTE_COMP_ALGO_NULL xform in compressdev library?
> 

em, I just looked at the code.

The RTE_COMP_ALGO_NULL is a small feature of the compression device.
and currently only mlx5 and isal support it.

Also the compressdev dataplane API relatively complicated to do just
DMA copy.

So I think we need a separate driver framework for the DMA device.

thanks

[snip]

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