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References: <20231011064208.2143245-1-lulu@redhat.com>
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From:   Jason Wang <jasowang@redhat.com>
Date:   Tue, 17 Oct 2023 10:44:00 +0800
Message-ID: <CACGkMEvJpcsNTLp7e2vuKAyGFRdF4RC34+t=EHUbvFAg8LdfDw@mail.gmail.com>
Subject: Re: [PATCH v1 0/4] vduse: Reconnection support in vduse
To:     Cindy Lu <lulu@redhat.com>
Cc:     mst@redhat.com, xieyongji@bytedance.com,
        linux-kernel@vger.kernel.org, maxime.coquelin@redhat.com
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On Wed, Oct 11, 2023 at 2:42=E2=80=AFPM Cindy Lu <lulu@redhat.com> wrote:
>
> Here is the reconnect support in vduse,
>
> The kernel will allocate pages for reconnection
> userspace needs to use ioctl VDUSE_GET_RECONNECT_INFO to
> get the mmap related infomation and then map these pages
> to userspace.
> The kernel and userspace will use these pages to sync
> the reconnect information
>
> Tested in vduse + dpdk test-pmd

I would like to see the DPDK part as a reference. Would you mind
giving me a pointer?

Thanks

>
> Cindy Lu (4):
>   vduse: Add function to get/free the pages for reconnection
>   vduse: Add file operation for mmap
>   vduse: Add new ioctl VDUSE_GET_RECONNECT_INFO
>   vduse: update the vq_info in ioctl
>
>  drivers/vdpa/vdpa_user/vduse_dev.c | 175 +++++++++++++++++++++++++++++
>  include/uapi/linux/vduse.h         |  43 +++++++
>  2 files changed, 218 insertions(+)
>
> --
> 2.34.3
>