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/03-architecture/01-system-overview.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'docs/03-architecture/01-system-overview.md') diff --git a/docs/03-architecture/01-system-overview.md b/docs/03-architecture/01-system-overview.md index fa328ae..8205154 100644 --- a/docs/03-architecture/01-system-overview.md +++ b/docs/03-architecture/01-system-overview.md @@ -56,7 +56,7 @@ GUEST ════════╪════════════════════════════════════════════════════════════════ HYPERVISOR (KVM/Xen/...) VFIO mdev transport + IOMMU isolation │ -HOST MODULE open-iov-vfio.ko +HOST MODULE vgsp.ko ├─ virtual device: config space, BAR0/BAR1/BAR3 windows, MSI-X ├─ emulation core: GSP boot + GSP-RM (RPC msgq, controls, objects, events) ├─ memory model: guest RAM access, VA↔PA maps, VRAM backing @@ -71,7 +71,7 @@ REAL HARDWARE (engines, memory, interrupts) ## 3. Host module architecture -`open-iov-vfio.ko` is a **VFIO mediated-device (mdev) driver**. It registers a +`vgsp.ko` is a **VFIO mediated-device (mdev) driver**. It registers a parent on the physical GPU and exposes virtual GPU types; each `mdev` instance is one virtual GPU for one VM. -- cgit v1.2.3