[Rust-VMM] KVM bindings as independent crate

[Florescu, Andreea]

Hey everyone,


I published the KVM bindings on crates.io [1] under the name "kvm_wrapper". The bindings are available for arm, arm64, x86 and x86_64. The kernel version can be selected by using features. For now I only added bindings for linux-4.14.0 and linux-4.20.0, but others can be added if needed. The version can be selected using features:

kvm_wrapper = { version = "0.1.0", features = ["kvm_v4_14_0"]}

and by default the latest kernel version is used.


We cannot use the crate right away in Firecracker because in the kvm_gen crate (previously named kvm_sys) we also have code that is not auto-generated so the first step for us is to move that code to somewhere else. This step is currently in review [2].

We still have to figure out some loose-ends and I created some issues for them [3], but it would be nice to get your feedback on this.


Thanks,

Andreea


[1] https://crates.io/crates/kvm_wrapper

[2] https://github.com/firecracker-microvm/firecracker/pull/816

[3] https://github.com/andreeaflorescu/kvm_wrapper/issues



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