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refactor: extract ports/drivers/bins layers — clean dependency inversion

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Separate abstractions from implementations following DIP:

  servers/              drivers/
      │                     │
      ▼                     ▼
    ports/  (trait-only crates, zero deps)

New crates:

ports/ (abstractions):
  - port-framebuffer: Framebuffer trait
  - port-block-device: BlockDevice trait + SectorId
  - port-input-device: InputDevice trait + InputEvent types

drivers/ (implementations depend on ports/):
  - driver-framebuffer-virtio: VirtIO GPU framebuffer
  - driver-framebuffer-mock: test double
  - driver-block-virtio: VirtIO block device

bins/ (composition roots wire server + driver):
  - display-qemu: DisplayServer<VirtioFramebuffer>
  - storage-qemu: storage server with VirtIO block

Servers no longer own their hardware traits or driver code.
Neither server nor driver depends on the other — both point
inward to the port abstraction.
This commit is contained in:
Gabriel Kaszewski
2026-10-18 13:13:53 +02:00
parent 38f20cc3c4
commit 5766c6f7f7
39 changed files with 272 additions and 217 deletions
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6
crates/ports/input-device/Cargo.toml Normal file
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@@ -0,0 +1,6 @@
[package]
name = "port-input-device"
version = "0.1.0"
edition = "2024"
[dependencies]