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This fork is archived. The serialization functionality has been merged upstream since 2024/04/16

kvm-bindings

Rust FFI bindings to KVM, generated using bindgen. It currently has support for the following target architectures:

x86
x86_64
arm
arm64

The bindings exported by this crate are statically generated using header files associated with a specific kernel version, and are not automatically synced with the kernel version running on a particular host. The user must ensure that specific structures, members, or constants are supported and valid for the kernel version they are using. For example, the immediate_exit field from the kvm_run structure is only meaningful if the KVM_CAP_IMMEDIATE_EXIT capability is available. Using invalid fields or features may lead to undefined behaviour.

Usage

First, add the following to your Cargo.toml:

kvm-bindings = "0.4"

Next, add this to your crate root:

extern crate kvm_bindings;

This crate also offers safe wrappers over FAM structs - FFI structs that have a Flexible Array Member in their definition. These safe wrappers can be used if the fam-wrappers feature is enabled for this crate. Example:

kvm-bindings = { version = "0.4", features = ["fam-wrappers"]}

Dependencies

The crate has an optional dependency to vmm-sys-util when enabling the fam-wrappers feature.

License

firecracker-microvm/kvm-bindings

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