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Diffstat (limited to 'docs/03-architecture/03-gsp-and-gsp-rm.md')
| -rw-r--r-- | docs/03-architecture/03-gsp-and-gsp-rm.md | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/docs/03-architecture/03-gsp-and-gsp-rm.md b/docs/03-architecture/03-gsp-and-gsp-rm.md index 20d335b..aca908f 100644 --- a/docs/03-architecture/03-gsp-and-gsp-rm.md +++ b/docs/03-architecture/03-gsp-and-gsp-rm.md @@ -185,14 +185,23 @@ is not lost. |---|---|---| | GSP boot state machine | ✅ | stages complete; the driver's poll loop is satisfied | | Message queue transport | ✅ | including the non-contiguous page table for the queue buffer | -| RPC request/reply | ✅ | all functions the driver uses during init are answered | -| Static info tables | ✅ | device/FB/BUS/INTR/GMMU tables with plausible TU104 values | -| Controls during init | ✅ | ~160 distinct control IDs observed per CUDA run; the ones needed to proceed carry real values | -| Object creation | ✅ | correct handle/parameter shapes | +| RPC request/reply | ✅ | all functions the driver uses during init are answered; unknown functions get a success reply with no payload | +| Static info tables | 🟡 | device/FB/BUS/INTR/GMMU tables carry plausible TU104 values; the engine inventory is still incomplete (the async copy engine, COPY14, is missing) | +| Controls during init | 🟡 | ~160 distinct control IDs observed per CUDA run; 23 are special-cased with real values, the rest fall through to a success reply with zeroed parameters - consumed fields of those are still being corrected | +| Object creation | 🟡 | handles/parameters are echoed consistently (the request parameters must be echoed back - zeroing them corrupts the caller), but there is no server-side object model: allocation is acknowledged, not tracked | | Page tables for server-owned ranges | 🟡 | contract received and recorded; leaf population is the forwarding work | | Event/notification delivery | 🟡 | MSI-X works; richer event semantics as forwarding lands | | Firmware *behaviour* (routing, scheduling, real execution) | 🔴 | the forwarding work; see the implementation docs | +The current CUDA blocker is the engine-inventory row: `libcuda` filters the +engine list it receives against the class list and expects the async copy +engine to be present, because the secondary (async) engine record is otherwise +zeroed. See +[`../../userspace/cuda/docs/05-570.144-decompilation.md`](../../userspace/cuda/docs/05-570.144-decompilation.md) +section 3.7 for the offsets and the consumed fields, and +[`../../userspace/cuda/docs/03-driver-and-gpu-interface.md`](../../userspace/cuda/docs/03-driver-and-gpu-interface.md) +section 9 for the emulation checklist. + ## 8. Where the firmware analysis lives * `wiki/GSP-570.144W-Firmware-Analysis.md` — how the 28.5 MB image was |