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). --- userspace/cuda/docs/08-virtualization-approaches.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'userspace/cuda/docs/08-virtualization-approaches.md') diff --git a/userspace/cuda/docs/08-virtualization-approaches.md b/userspace/cuda/docs/08-virtualization-approaches.md index e67f648..6e9702d 100644 --- a/userspace/cuda/docs/08-virtualization-approaches.md +++ b/userspace/cuda/docs/08-virtualization-approaches.md @@ -46,7 +46,7 @@ server. Approach E remains deployment-gated. **Stated architecture:** *emulate the interface, pass through the work, never patch anyone* — a mediated-passthrough vGPU where PCI config/BARs, the GSP boot handshake, the GSP-RM protocol and interrupt routing are emulated in -`open-iov-vfio.ko`, while real work is meant to execute on the physical GPU. +`vgsp.ko`, while real work is meant to execute on the physical GPU. The original decision procedure was to prototype A first for correctness; the interface analysis ([`../../../docs/03-architecture/08-physical-gpu-integration.md`](../../../docs/03-architecture/08-physical-gpu-integration.md)) -- cgit v1.2.3