# Re: \[PATCH v9 16/17\] vduse: Introduce VDUSE - vDPA Device in Userspace

- List: virtualization
- 1 message, 1 author
- Page: https://ratatoskr.run/virtualization/2021/07/210049/t

## Re: \[PATCH v9 16/17\] vduse: Introduce VDUSE - vDPA Device in Userspace

- From: Jason Wang \<hidden\>
- Date: 2021-07-15 05:01:25 
- Message: https://ratatoskr.run/virtualization/2021/07/210049.md

```text

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


>

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