Re: [PATCH rdma-core 0/6] libhns: Add support for Dynamic Context Attachment

[Jason Gunthorpe <jgg@nvidia.com>]

On Mon, May 10, 2021 at 09:12:58PM +0800, Weihang Li wrote:
> The HIP09 introduces the DCA(Dynamic Context Attachment) feature which
> supports many RC QPs to share the WQE buffer in a memory pool. If a QP
> enables DCA feature, the WQE's buffer will not be allocated when creating
> but when the users start to post WRs. This will reduce the memory
> consumption when there are too many QPs are inactive.
> 
> For more detailed information, please refer to the man pages provided by
> the last patch of this series.
> 
> This series is associated with the kernel one "RDMA/hns: Add support for
> Dynamic Context Attachment", and two RFC versions of this series has been
> sent before.
> 
> No changes since RFC v2.
> * Link: https://patchwork.kernel.org/project/linux-rdma/cover/1614847759-33139-1-git-send-email-liweihang@huawei.com/
> 
> Changes since RFC v1:
> * Add direct verbs to set the parameters about size that used to
>   configuring DCA. 
> * Add man pages to explain what is DCA, how does it works and how to use
>   it.
> * Link: https://patchwork.kernel.org/project/linux-rdma/cover/1612667574-56673-1-git-send-email-liweihang@huawei.com/
> 
> Weihang Li (1):
>   Update kernel headers
> 
> Xi Wang (5):
>   libhns: Introduce DCA for RC QP
>   libhns: Add support for shrinking DCA memory pool
>   libhns: Add support for attaching QP's WQE buffer
>   libhns: Add direct verbs support to config DCA
>   libhns: Add man pages to introduce DCA feature

This should be sent on GitHub

Jason