From c9bf1cf098c8ea4daeb3e6c9b274a9025c03045d 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/10-post-1.0/experimental-host-acceleration.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'docs/10-post-1.0') diff --git a/docs/10-post-1.0/experimental-host-acceleration.md b/docs/10-post-1.0/experimental-host-acceleration.md index 38b9774..2095a49 100644 --- a/docs/10-post-1.0/experimental-host-acceleration.md +++ b/docs/10-post-1.0/experimental-host-acceleration.md @@ -93,7 +93,7 @@ document may be started. itself* use the GPU at full capability — host desktop (X11/Wayland) on the physical outputs (HDMI/DP), host CUDA/3D through the real stock driver, and guests running concurrently in compartments, with scheduling and -compartmentalization enforced by `open-iov-vfio.ko`. +compartmentalization enforced by `vgsp.ko`. This stretch goal is explicitly **one**: it is attempted only after every baseline goal is met, and it must not jeopardize them. @@ -107,7 +107,7 @@ baseline goal is met, and it must not jeopardize them. | S1 | The host's real, stock `nvidia.ko` provides host CUDA/3D and the host desktop | | S2 | Full display output from the GPU's HDMI/DP, driving the host desktop | | S3 | Guest frame buffers are shown on the host (Looking Glass / KVMFR / IVSHMEM), both sides accelerated | -| S4 | Host and guest work coexist on one GPU under `open-iov-vfio.ko` scheduling and compartmentalization | +| S4 | Host and guest work coexist on one GPU under `vgsp.ko` scheduling and compartmentalization | | S5 | High performance: work-dominated workloads within a few percent of native; launch-bound latency bounded and published | | S6 | No unnecessary memory copies; zero-copy workload path | | S7 | Isolation: a guest can never reach host memory or host interrupts; fail closed | -- cgit v1.2.3