That's what liburing_rs[1] is doing.

I am foolishly trying to make pure rust bindings myself [2].

[1] https://docs.rs/axboe-liburing/

[2] https://docs.rs/hringas

But yeah the liburing test suite is massive, way more than anyone else has.

Pretty nice library! Personally, I think having a language-native library is great. The only downside is that it becomes a long-term commitment if it needs to stay in sync with the development of io_uring. I wonder whether it would be a good idea to provide C bindings from the language-specific library, so it can be more easily integrated and tested into the liburing test suite with minimal effort.