Haixu Cui

> I did a first review and I left some comments. I'll be off till May 2nd, sorry in advance, I hope others can do next reviews, otherwise I'll check...

Hi @stefano-garzarella, @vireshk, @MatiasVara, I've update the project according to your comments, please help check and review. Thank you very much.

Hi @stefano-garzarella , @MatiasVara , @vireshk Can you please help to review again, I have updated the code and passed all checks. Thank you so much.

Hi @epilys, @stefano-garzarella, @MatiasVara, Thank you for your helpful comments, I've fixed most of them, and also verified on my target, vhost-user-spi daemon works well. While the CI still failed...

Hi @stefano-garzarella , @epilys I add some test cases, but the coverage only improved slightly. I cannot add testcase to cover `detect_supported_features` function in `spi.rs`, because it interacts with the...