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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-11-01 13:49:48 -0500 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-11-01 13:49:48 -0500 |
| commit | 0c18f09e8aba7d1c4a37e4bddaa6915d8a21b431 (patch) | |
| tree | 303cf825c88f0290e7f4f36dc6d50c8e352e97c2 /kernel/gsp_sema_service.h | |
| parent | bf5710a6a14fcaa277e3cac28da3eef976bb9e9b (diff) | |
| download | open-iov-0c18f09e8aba7d1c4a37e4bddaa6915d8a21b431.tar.gz open-iov-0c18f09e8aba7d1c4a37e4bddaa6915d8a21b431.zip | |
vgsp: CONT-95 - PROMOTE_CTX recorder (gsp_sema_service_ctx_promote_note/get w/ bInitialize from emulated promote loop) + CTX-BIND launch receipt (client MAIN/PATCH vs engine ctx + first-words readback) + gsp-phys-ctx-dump + engine-ctx CE readback (CE forbidden on GR ladder channel) - DECISIVE: r1323 CTX-BIND client-main=seen pa=0x114e00000 va=0x1200d0000 size=0x133000 attr=0x6 binit=1; client-patch=seen pa=0x12dcc8000 binit=1; replay-ctx pa=0x1f4000000 size=0x133000 fbmem=1 va=0x2200000 srv_ctxva=0; installed=0 (engine ctx is ladder's buffer NOT client promote); client-main content[0..7]=0, host read 100% zero bytes -> client promoted GR ctx carries no state; fw DS handler decoded (vaddr 0x52b8290 per-bit reporter: esr=a6000e20->0x73 SPH5; validation HW-side) - next: read engine ctx buffer VA 0x2200000/FBMEM 0x1f4000000 via secondary stage-3 COPY0 channel on same VAS (0xc5b5 copy block, dump gsp-phys-ctx-dump); structured -> drive fill, zeros -> reproduce GSP golden-ctx init - SESSION 153 r1322-r1323
Diffstat (limited to 'kernel/gsp_sema_service.h')
| -rw-r--r-- | kernel/gsp_sema_service.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.h b/kernel/gsp_sema_service.h index 24e1094..f2a40ee 100644 --- a/kernel/gsp_sema_service.h +++ b/kernel/gsp_sema_service.h @@ -108,6 +108,19 @@ void gsp_sema_service_vaspace_del(u32 h_vaspace); void gsp_sema_service_promote_add(u64 va, u64 pa, u64 size, u32 phys_attr, u32 buffer_id); /* + * SESSION 153-CONTINUED-95: latest PROMOTE_CTX statement per + * (engine, bufferId), kept for the launch-time CTX-BIND receipt. MAIN is + * bufferId 0, PATCH bufferId 2 (NV2080_CTRL_GPU_PROMOTE_CTX_BUFFER_ID_*). + * The note side never fails; the get side returns -ENOENT until the guest + * driver has promoted that buffer. + */ +void gsp_sema_service_ctx_promote_note(u32 engine, u32 buffer_id, u64 pa, + u64 va, u64 size, u32 phys_attr, + u32 b_init); +int gsp_sema_service_ctx_promote_get(u32 engine, u32 buffer_id, u64 *pa, + u64 *va, u64 *size, u32 *phys_attr, + u32 *b_init); +/* * r496j: park a page-directory candidate (from COPY_SERVER_PDES) until a * content-validated walk proves it belongs to a live client; only then is * it registered (a blind registration let stale kernel directories answer |