feat: implement virtio based host-guest communication - #1794

Draft

andreiltd wants to merge 19 commits into

virtq-foundationsfrom

Commits on Sep 5, 2026

feat(virtq): implement guest-to-host virtqueue transport
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ed4f2b1
feat(virtq): remove legacy guest-to-host stack transport
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d57a59b
feat(virtq): use virtqueues for guest comms
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8eec0b9
feat(virtq): purge input/output regions
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6c961a6
feat(virtq): optimize inflight bookkeeping memory
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0fb1efd
feat(virtq): checkpoint dirty queues for snapshots
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dfc813a
feat(virtq): reject snapshots with retained buffers
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71ef3b5
feat(virtq): add C guest `ByteChunks`
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0b73c66
fix(virtq): adjust scratch budget
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4e84b23
fix(virtq): address clippy warnings in release builds
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c0e8cf6
fix(virtq): use checked arithmetic in ExternalValueRefs
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9525773
refactor: some stylish tweaks
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b7edd6a
fix: adjust test scratch size
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c04251b
fix(virtq): accept transport error in fuzzing
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04139f9
fix: increas fuzzing heap size
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81e4477
fix: adjust test heap sizes
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f14e63c
fix: some docs improvements
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0ce6404
fix: adjust snapshot restore test heap sizes
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d19c6a8
feat(virtq): remove, now dead, hlbytechunks and hlsizeprefixedbytechunks
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3f28f23