netdev - Re: [PATCH 5/5] vdpasim: vDPA device simulator

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Date:   Tue, 4 Feb 2020 12:19:28 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Jason Gunthorpe <jgg@...lanox.com>,
        Parav Pandit <parav@...lanox.com>
Cc:     "mst@...hat.com" <mst@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "tiwei.bie@...el.com" <tiwei.bie@...el.com>,
        "maxime.coquelin@...hat.com" <maxime.coquelin@...hat.com>,
        "cunming.liang@...el.com" <cunming.liang@...el.com>,
        "zhihong.wang@...el.com" <zhihong.wang@...el.com>,
        "rob.miller@...adcom.com" <rob.miller@...adcom.com>,
        "xiao.w.wang@...el.com" <xiao.w.wang@...el.com>,
        "haotian.wang@...ive.com" <haotian.wang@...ive.com>,
        "lingshan.zhu@...el.com" <lingshan.zhu@...el.com>,
        "eperezma@...hat.com" <eperezma@...hat.com>,
        "lulu@...hat.com" <lulu@...hat.com>,
        "kevin.tian@...el.com" <kevin.tian@...el.com>,
        "stefanha@...hat.com" <stefanha@...hat.com>,
        "rdunlap@...radead.org" <rdunlap@...radead.org>,
        "hch@...radead.org" <hch@...radead.org>,
        "aadam@...hat.com" <aadam@...hat.com>,
        "jakub.kicinski@...ronome.com" <jakub.kicinski@...ronome.com>,
        Jiri Pirko <jiri@...lanox.com>,
        Shahaf Shuler <shahafs@...lanox.com>,
        "hanand@...inx.com" <hanand@...inx.com>,
        "mhabets@...arflare.com" <mhabets@...arflare.com>,
        "kuba@...nel.org" <kuba@...nel.org>
Subject: Re: [PATCH 5/5] vdpasim: vDPA device simulator


On 2020/1/17 下午10:10, Jason Gunthorpe wrote:
>>>> Netlink based lifecycle management could be implemented for vDPA
>>>> simulator as well.
>>> This is just begging for a netlink based approach.
>>>
>>> Certainly netlink driven removal should be an agreeable standard for
>>> all devices, I think.
>> Well, I think Parav had some proposals during the discussion of mdev
>> approach. But I'm not sure if he had any RFC codes for me to integrate it
>> into vdpasim.
>>
>> Or do you want me to propose the netlink API? If yes, would you prefer to a
>> new virtio dedicated one or be a subset of devlink?
> Well, lets see what feed back Parav has
>
> Jason


Hi Parav:

Do you have any update on this? If it still require sometime, I will 
post V2 that sticks to sysfs based API.

Thanks