linux-kernel - Re: [PATCH V4 0/3] vDPA/ifcvf: enables Intel C5000X-PL virtio-blk

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Message-ID: <0f4608f0-16e1-c458-3a9b-dcfc0a9d4df8@intel.com>
Date:   Thu, 25 Nov 2021 10:12:14 +0800
From:   "Zhu, Lingshan" <lingshan.zhu@...el.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
Cc:     Jason Wang <jasowang@...hat.com>, Michael Tsirkin <mst@...hat.com>,
        Cindy Lu <lulu@...hat.com>,
        Linux Virtualization <virtualization@...ts.linux-foundation.org>,
        netdev <netdev@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V4 0/3] vDPA/ifcvf: enables Intel C5000X-PL virtio-blk

Hello Stefano,

Thanks for your review and advices, I will fix them

Thanks,
Zhu Lingshan

On 11/24/2021 11:39 PM, Stefano Garzarella wrote:
> Hi Zhu,
>
> On Mon, Apr 19, 2021 at 8:39 AM Zhu Lingshan <lingshan.zhu@...el.com> wrote:
>> This series enabled Intel FGPA SmartNIC C5000X-PL virtio-blk for vDPA.
> Looking at the IFCVF upstream vDPA driver (with this series applied), it
> seems that there is still some cleaning to be done to support virtio-blk
> devices:
>
> - ifcvf_vdpa_get_config() and ifcvf_vdpa_set_config() use
>    `sizeof(struct virtio_net_config)` to check the inputs.
>    This seems wrong for a virtio-blk device. Maybe we can set the config
>    size for each device in ifcvf_vdpa_dev_add() and use that field to
>    check the inputs. We can reuse the same field also in
>    ifcvf_vdpa_get_config_size().
>
> - Just for make the code more readable we should rename `net_cfg` field
>    to `device_cfg`in `struct ifcvf_hw`.
>
> What do you think?
>
> Thanks,
> Stefano
>