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rust-vmm Building the Virtualization Stack of the Future Andreea - PowerPoint PPT Presentation

May 26, 2023 •365 likes •726 views

rust-vmm Building the Virtualization Stack of the Future Andreea Florescu <fandree@amazon.com> - Open Source Enthusiast Who am I? - Software Development Engineer @ Amazon - Firecracker maintainer - rust-vmm contributor 2 VMM or

  1. rust-vmm Building the Virtualization Stack of the Future Andreea Florescu <fandree@amazon.com>

  2. - Open Source Enthusiast Who am I? - Software Development Engineer @ Amazon - Firecracker maintainer - rust-vmm contributor 2

  3. VMM or Hypervisor? 3

  4. Linux Virtualization Stack Virtual Virtual Virtual Virtual Virtual ... Machine Machine Machine Machine Machine VMM VMM VMM VMM VMM Hypervisor KVM Linux Kernel Host 4

  5. What is rust-vmm? - Building blocks for VMMs written in Rust - Virtualization components (crates) - Open Source 5

  6. Why rust-vmm? - Faster development for new custom VMMs - Security & Testability - Clean interface - Reduce code duplication (CrosVM & Firecracker) 6

  7. Why rust-vmm? - Faster development for new custom VMMs - Security & Testability - Clean interface - Reduce code duplication (CrosVM & Firecracker) 7

  8. Why rust-vmm? - Faster development for new custom VMMs - Security & Testability - Clean interface - Reduce code duplication (CrosVM & Firecracker) 8

  9. Why rust-vmm? - Faster development for new custom VMMs - Security & Testability - Clean interface - Reduce code duplication (CrosVM & Firecracker) 9

  10. Why rust-vmm? - Faster development for new custom VMMs - Security & Testability - Clean interface - Reduce code duplication (CrosVM & Firecracker) 10

  11. rust-vmm development 11

  12. Who is contributing? CrowdStrike Alibaba Cloud Google AWS Intel Cloudbase Solutions RedHat Individual Contributors 12

  13. Adding crates to rust-vmm - CrosVM/Firecracker - Wrappers over the KVM API - Guest Memory - ... - Developing from scratch - vhost-user - ACPI - ... 13

  14. Existing crates 14

  15. vm-memory - Firecracker - Guest Address 15

  16. vm-memory - Firecracker - Guest Address - Memory Region Start addr End addr (GuestAddress) (GuestAddress) Anonymous Shared Mem mem-region 16

  17. vm-memory - Firecracker - Guest Address - Memory Region - Guest Memory Start addr End addr (GuestAddress) (GuestAddress) Anonymous Shared Mem mem-region mem-region mem-region mem-region mem-region Guest Memory 17

  18. vm-memory - rust-vmm vm-memory - Firecracker - Guest Address - Trait Guest Address - Memory Region - Trait Memory Region - Guest Memory - Trait Guest Memory Start addr End addr Start addr End addr (GuestAddress) (GuestAddress) (GuestAddress) (GuestAddress) Anonymous/File Anonymous Shared Mem Shared Mem mem-region mem-region mem-region mem-region mem-region mem-region Guest Memory 18

  19. New Usecases Supported with rust-vmm - Vhost-user - memfd based Guest Memory - memory hotplug - cross region reads from Guest Memory 19

  20. kvm-ioctls - Line Coverage (79.3% -> 91.3%) - Documentation for public interface - Code Examples - Experimental aarch64 support 20

  21. From idea to published crate Design Discussions Milestone 0 Empty Idea GitHub Issue Crate github/rust-vmm/community Milestone 1 Design Pull Requests Crate in Dev Continuous Integration Milestone 2 Crate in License Dev Publish Documentation crates.io Tests 21

  22. Current Status Milestone 0 vmm-vcpu linux-loader vm-virtio Empty Crate vhost vm-device Milestone 1 vm-memory Crate in Dev Milestone 2 kvm-bindings kvm-ioctls Publish crates.io 22

  23. Demo Time 23

  24. Fake Demo Time 24

  25. containers-vmm VMM API 25

  26. containers-vmm rust-vmm components acpi kvm-ioctls virtio-fs kernel-loader vm-virtio vm-memory block net VMM API vsock serial cpuid rate-limiter 26

  27. containers-vmm rust-vmm components acpi kvm-ioctls virtio-fs kernel-loader vm-virtio vm-memory block net VMM API vsock serial cpuid rate-limiter 27

  28. containers-vmm rust-vmm components acpi kvm-ioctls virtio-fs kernel-loader vm-virtio vm-memory block net VMM API vsock serial cpuid rate-limiter 28

  29. containers-vmm rust-vmm components acpi kvm-ioctls VMM Glue virtio-fs kernel-loader vm-virtio vm-memory block net VMM API vsock serial cpuid rate-limiter 29

  30. Does the world need more VMMs? 30

  31. rust-vmm powering: Now: - Firecracker Future: - CrosVM - QEMU - 31

  32. Open Questions - Test integration of crates - Create a reference VMM implementation - Same version for all crates? - Security Testing - Fuzzing 32

  33. What’s next? - Hypervisor-agnostic crates - Using rust-vmm crates in existing VMMs - Purpose-built VMM for container workloads 33

  34. What’s next? - Hypervisor-agnostic crates - Using rust-vmm crates in existing VMMs - Purpose-built VMM for container workloads Come decide with us! 34

  35. Be part of rust-vmm! - Become a member of rust-vmm on GitHub - Subscribe to the rust-vmm email list - Want feedback on your work? Submit a review request! 35

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