Re: [dpdk-dev] [PATCH v9 0/4] add async data path in vhost sample

[Maxime Coquelin <maxime.coquelin@redhat.com>]

Hi,

On 10/22/20 8:46 AM, Cheng Jiang wrote:
> This patch set makes vhost-vswitch be able to use vhost async APIs
> for enqueue operations. Demonstrated how the application
> leverage IOAT DMA channel with vhost async APIs.
> 
> We introduce two parameters to enable DMA acceleration for Tx
> operations of queues:
> -dma_type This parameter is used to specify DMA type for async
> vhost-user net driver.
> -dmas This parameter is used to specify the assigned DMA device of a
> vhost device and enable async vhost data path.
> 
> ---
> v9:
>  * Optimized code structure to solve compilation issue on non-x86 platforms
> 
> v8:
>  * Changed meson build file due to the change of ioat component name
> 
> v7:
>  * Improved IOAT callbacks and added some comments
> 
> v6:
>  * Cleand code and rebased for latest code
> 
> v5:
>  * Improved meson build file and fixed dependency problem
> 
> v4:
>  * Code rebased for latest IOAT driver
> 
> v3:
>  * Fixed a coding style problem
> 
> v2:
>  * Changed meson build file to fix dependency problem
>  * Added parameter description in usage function
>  * Optimized parameter settings and parsing function
>  * Optimized abstraction, moved some code to ioat.c
> 
> Cheng Jiang (4):
>   example/vhost: add async vhost args parsing function
>   example/vhost: add support for vhost async data path
>   doc: update vhost sample doc for vhost async data path
>   doc: update release notes for vhost sample
> 
>  doc/guides/rel_notes/release_20_11.rst |   6 +
>  doc/guides/sample_app_ug/vhost.rst     |  11 ++
>  examples/vhost/ioat.c                  | 198 +++++++++++++++++++++++++
>  examples/vhost/ioat.h                  |  47 ++++++
>  examples/vhost/main.c                  |  93 +++++++++++-
>  examples/vhost/main.h                  |   1 +
>  examples/vhost/meson.build             |   5 +
>  7 files changed, 359 insertions(+), 2 deletions(-)
>  create mode 100644 examples/vhost/ioat.c
>  create mode 100644 examples/vhost/ioat.h
> 
> --
> 2.27.0
> 

It does not build:
http://mails.dpdk.org/archives/test-report/2020-October/161193.html

Maxime