From 4bb8550a72597ec098c6d62a75006a0aba61972e Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Fri, 2 Oct 2026 15:13:06 -0400 Subject: kernel: GR context-promote bisection modes 4-17 and server-managed-ctxbuf registry variant; complete vgsp rename; docs/tooling refresh - gsp_phys_booter: GR promote bisection modes 4-17 (two-phase zero-field VA, batched entries, hVirtMemory, bare VA, KMD SKIP_CTXBUFFER_ALLOC channel, old-interface GPU_INITIALIZE_CTX, FBMEM context buffer, UVM-faithful PA-only, PATCH/PM auxiliary promotes, server-managed no-promote path); PATCH/PM geometry queries and buffers; pre-boot SET_REGISTRY profile selection - gsp_phys_gpu: gsp_phys_rmcall_gr_promote clamp 0..17 and gsp_phys_srv_ctxbuf parameter; registry image variant with RMSetClientRMAllocatedCtxBuffer=0 - vgsp rename across kernel, scripts, tools and docs (module vgsp.ko, /sys/kernel/debug/vgsp/, vgsp-: log prefixes) - risc-v-gsp-rm-debugger user-facing rename and docs/CI refresh; guest-diag tool updates; README/SBOM/install/Makefile sync Live status: CE ladder and P6 guest-copy forwarding green; GR engine context commit still open (all promote shapes accepted or cleanly refused; the channel stays CTXNOTVALID) - see Handoff-vGPU-IO.md Addendum 21 (local). --- docs/03-architecture/06-host-module-and-hybrid-model.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'docs/03-architecture/06-host-module-and-hybrid-model.md') diff --git a/docs/03-architecture/06-host-module-and-hybrid-model.md b/docs/03-architecture/06-host-module-and-hybrid-model.md index 0dbc89a..7f670d7 100644 --- a/docs/03-architecture/06-host-module-and-hybrid-model.md +++ b/docs/03-architecture/06-host-module-and-hybrid-model.md @@ -1,6 +1,6 @@ # The Host Module and the Hybrid Model -> `open-iov-vfio.ko` in detail: the virtual device, the emulation engine, the +> `vgsp.ko` in detail: the virtual device, the emulation engine, the > memory model, and how work will be forwarded. This is the "where the code > lives" document. @@ -15,7 +15,7 @@ └────┬──────────────────────────────────────────────┘ │ ┌────┴───────────────────────────────────────────────────────────────┐ - │ open-iov-vfio.ko │ + │ vgsp.ko │ │ virtual device ── emulation core ── memory model ── work path │ └────┬─────────────────────────────────────┬─────────────────────────┘ │ module-owned device + real GSP │ (future) vendor-managed @@ -249,7 +249,7 @@ operations stays a development bridge, not the data plane. ## 6. Debug tooling in the module The module exposes debug parameters (writes to -`/sys/module/open_iov_vfio/parameters/*`) that make the guest's memory and the +`/sys/module/vgsp/parameters/*`) that make the guest's memory and the emulated device inspectable without rebuilding: | Parameter | Purpose | @@ -290,7 +290,7 @@ mismatch. Their workflows are documented in ## 7. Build and symbol contracts -* `open-iov-vfio.ko` exports the `nvidia_vgpu_vfio_*` interface +* `vgsp.ko` exports the `nvidia_vgpu_vfio_*` interface (`nvidia_vgpu_vfio_probe/remove`, ops get/set, mdev parent registration) for hosts that want to pair our device with the NVIDIA OpenRM host modules. * When NVIDIA's OpenRM modules are built from source, they must be built with -- cgit v1.2.3