2 Commits

Author SHA1 Message Date
enricobuehler 580b1ea7a7 feat(host/steam): shippable usbip/vhci_hcd virtual Deck + client leave-shortcuts
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Steam Deck pass-through (design/steam-deck-passthrough-plan.md), code-complete +
all CI checks green on Linux + adversarially reviewed; on-glass validation pending:

- usbip/`vhci_hcd` virtual Deck transport (inject/linux/steam_usbip.rs) for
  non-SteamOS hosts (Bazzite/generic) — presents a real interface-2 USB Deck so
  Steam Input promotes it. In-process vhci attach (loopback OP_REQ_IMPORT handshake
  → sysfs attach) with a bounded `usbip`-CLI fallback; detach on drop.
- Backed by a vendored, libusb-free trim of the `usbip` crate
  (crates/punktfunk-host/vendor/usbip-sim, MIT + NOTICE; host/cdc/hid + rusb/nusb
  removed; interrupt-IN paced by bInterval).
- Selection ladder raw_gadget (SteamOS fast-path) → usbip (universal) → UHID,
  with PUNKTFUNK_STEAM_USBIP / PUNKTFUNK_USBIP_ATTACH knobs.
- Shared Deck descriptors + the 0x83/0xAE feature contract + a Steam-accepted
  serial consolidated into steam_proto.rs; the raw_gadget backend reuses them.
- Linux client leave-shortcuts: Ctrl+Alt+Shift+D + holding the escape chord
  (L1+R1+Start+Select) >=1.5s end the session (short press still exits
  fullscreen); the chord state resets across sessions.

Also bundles in-progress work already staged in the tree:
- host(kwin): xdg-output logical-geometry mapping so the KWin fake_input backend
  places absolute coordinates correctly under display scaling.
- docs: design/README index entries + design/controller-only-mode.md.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-29 19:17:37 +00:00
enricobuehler 7b99b41ede docs(design): trim shipped plans, consolidate cluster, add index
Much of design/ described work that has since shipped. Trim each doc to
its durable rationale + still-open items (the code is the source of truth
for shipped detail; git history holds the full originals).

- Shipped plans -> status stubs: stats-capture, gamestream-host-plan,
  apple-stage2-presenter, windows-service.
- Trimmed completed-out / open-kept: implementation-plan, hdr-pipeline,
  host-latency, gpu-contention (fixed stale status table), game-library,
  linux-setup (fixed m0->spike + stale zero-copy claim),
  session-aware-host-followups, windows-client-bootstrap,
  windows-dualsense-{scoping,game-detection}, windows-virtual-display,
  security-review (per-finding status table; #12 still open),
  apollo-comparison (shipped backlog collapsed to one-liners).
- Windows-host cluster consolidated: windows-host.md -> redirect into
  windows-host-rewrite.md (whose stale scorecard is corrected -- goal1 is
  merged, M4 done); windows-secure-desktop.md archived (now a fallback
  behind IDD-push primary).
- Kept evergreen: ci.md, gamescope-multiuser.md, windows-build-and-packaging.md.
- New design/README.md: per-doc status table + consolidated open-items
  roll-up so nothing is tracked in only one buried doc.
- Repoint 5 code comments to the archived secure-desktop doc path.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-26 16:39:06 +00:00