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Open-IOV vGPU-IO: host-side GSP emulation for unmodified NVIDIA guest drivers
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Author
Age
*
kernel: authoritative host-injected VA->PA pins (ipin table) + wider pin table
Arthur Hanson Rasmusson
13 days
*
guest-diag: deterministic channel->pool->manager->pushbuffer chain + chunk-re...
Arthur Hanson Rasmusson
13 days
*
guest-diag: identify pushbuffer rm_mem by vmalloc CPU VA (any GPU VA)
Arthur Hanson Rasmusson
13 days
*
guest-diag: widen pushbuffer chain scan (256KB, slab-prefix filter)
Arthur Hanson Rasmusson
13 days
*
guest-diag: read trace before clearing (one-shot pushbuffer-create events)
Arthur Hanson Rasmusson
13 days
*
guest-diag: per-page pushbuffer translation, per-client re-pin
Arthur Hanson Rasmusson
13 days
*
guest-diag: resolve pushbuffer from uvpbf kprobe pointer (deterministic)
Arthur Hanson Rasmusson
13 days
*
guest-diag: bound pushbuffer fallback scan (400 candidates / 30s)
Arthur Hanson Rasmusson
13 days
*
guest-diag: pushbuffer resolution fallback (direct pushbuffer pointer candida...
Arthur Hanson Rasmusson
13 days
*
guest-diag: semfix also resolves+pins the CE pushbuffer range (descending GPA...
Arthur Hanson Rasmusson
13 days
*
guest-diag: injector handles slow chan_dump (3s wait, last-marker parse)
Arthur Hanson Rasmusson
13 days
*
guest-diag: semfix watcher (stale sem-pool VA->PA from guest truth); injector...
Arthur Hanson Rasmusson
13 days
*
sema-svc: async VA->PA injection queue; guest-diag: fast counter+pin injector...
Arthur Hanson Rasmusson
13 days
*
tools: cuda_cycle.sh - detect channels from dmesg (client timeout is ~30 s)
Arthur Hanson Rasmusson
13 days
*
tools: cuda_cycle.sh polls channels every 2 s to shrink publish latency
Arthur Hanson Rasmusson
13 days
*
tools: inject_counters.sh - counter index order is descending by handle
Arthur Hanson Rasmusson
13 days
*
tools: cuda_cycle.sh - one-command CUDA bring-up attempt
Arthur Hanson Rasmusson
13 days
*
tools: scanerr.py - dump the non-zero RM error record behind a forced 999
Arthur Hanson Rasmusson
13 days
*
tools: durable guest counter enumeration/injection and VA reader
Arthur Hanson Rasmusson
13 days
*
guest-diag: pin_sem_fast.sh - 2 s tracker-sem pinner with a per-pid guard
Arthur Hanson Rasmusson
14 days
*
guest-diag: ctx999.py (scanner/ctx gdb capture); fix pinner exact-VA match
Arthur Hanson Rasmusson
14 days
*
guest-diag: adaptive miss-driven pinner; cdt holds on failure for inspection
Arthur Hanson Rasmusson
14 days
*
gsp_rm: retire event records on FREE; guest-diag: bp999 dumps the RM error re...
Arthur Hanson Rasmusson
14 days
*
guest-diag: nmi_catch.sh - sysrq-l sampler that keeps nvidia kernel stacks
Arthur Hanson Rasmusson
14 days
*
sema: never execute work decoded from swept RAM; pin only tracker sems
Arthur Hanson Rasmusson
14 days
*
sem: run GR channels - accept CE methods on subchannel 0, discover GR rings
Arthur Hanson Rasmusson
14 days
*
sema-svc: apply releases promptly and decode compute-push releases
Arthur Hanson Rasmusson
2026-09-28
*
tools/guest-diag: decode engine-list, classlist and CE-cap RM control replies...
Arthur Hanson Rasmusson
2026-09-26
*
kernel: add a channel-table dump param; tools: fix memprobe --max parsing
Arthur Hanson Rasmusson
2026-09-26
*
tools/guest-diag: keep bridge_sems replies under the guest-agent size limit
Arthur Hanson Rasmusson
2026-09-26
*
gsp_sema_service: add content rescue for unmapped push-buffer pool VAs
Arthur Hanson Rasmusson
2026-09-25
*
kernel: enlarge the pin table and its probe window; tools: bridge client mapp...
Arthur Hanson Rasmusson
2026-09-24
*
kernel: resolve semaphores through trusted translations only; tools: dump the...
Arthur Hanson Rasmusson
2026-09-24
*
tools/guest-diag: add UVM rm_mem kprobe dump for VA->PA ground truth
Arthur Hanson Rasmusson
2026-09-24
*
tools/guest-diag: add UVM wait diagnostics, tracker poke and VA->PA map injector
Arthur Hanson Rasmusson
2026-09-24
*
kernel: validate learned semaphore maps and post guest GPU events
Arthur Hanson Rasmusson
2026-09-24
*
kernel: coherent GSP-RM replies for engine-context creation
Arthur Hanson Rasmusson
2026-09-23
*
userspace/cuda: libcuda analysis tree (debug-focused), guest ioctl tracer
Arthur Hanson Rasmusson
2026-09-23
*
kernel: execute pushed CE work (PTE memsets, copies) and track semaphores
Arthur Hanson Rasmusson
2026-09-23
*
Open-IOV: initial public release
Open-IOV
2026-09-23