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Subject: Re: [PATCH v9 16/17] vduse: Introduce VDUSE - vDPA Device in
 Userspace
To:     Yongji Xie <xieyongji@bytedance.com>
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From:   Jason Wang <jasowang@redhat.com>
Message-ID: <5d756360-b540-2faf-6e52-e7e6e863ca0b@redhat.com>
Date:   Thu, 15 Jul 2021 13:00:56 +0800
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在 2021/7/15 下午12:03, Yongji Xie 写道:
>> Which ioctl can be used for this?
>>
> I mean we can introduce a new ioctl for that in the future.


Ok, I see.


>
>>>> I wonder if it's better to do something similar to ccw:
>>>>
>>>> 1) requires the userspace to update the status bit in the response
>>>> 2) update the dev->status to the status in the response if no timeout
>>>>
>>>> Then userspace could then set NEEDS_RESET if necessary.
>>>>
>>> But NEEDS_RESET does not only happen in this case.
>> Yes, so you need an ioctl for userspace to update the device status
>> (NEEDS_RESET) probably.
>>
> Yes, but I'd like to do that after the initial version is merged since
> NEEDS_RESET is not supported now.


Right.

Thanks


>