r654 FIFO_GET_ENGINE_CONTEXT_PROPERTIES (0x801707): return the real per-engine context geometry captured from the GSP on the physical backend - the client queries ZCULL geometry (engineId=8) at the end of every vkCreateDevice attempt and the generic all-zero reply failed its ZCULL-context buffer allocation (VKFAIL -3); with the handler the client proceeds through GR_CTXSW_ZCULL_BIND, GR_SET_CTXSW_PREEMPTION_MODE, VRAM allocs and MAP_MEMORY_DMA to the GR channel kick - open-iov.git - Open-IOV vGPU-IO: host-side GSP emulation for unmodified NVIDIA guest drivers

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author	Arthur Hanson Rasmusson <arthur@vgpu.io>	2026-10-25 03:23:50 -0400
committer	Arthur Hanson Rasmusson <arthur@vgpu.io>	2026-10-25 03:23:50 -0400
commit	68adc7528155a035f11bee83203becdeb1116d48 (patch)
tree	1b576b6acbc5af28948801103f77722f8cd3cd58 /wiki/open-iov.org/index.php?title=File:Application_Binary_Interface_(ABI).png&action=info.html
parent	7fefceeddd93b782db490d21ba1b4b21c37b3079 (diff)
download	open-iov-68adc7528155a035f11bee83203becdeb1116d48.tar.gz open-iov-68adc7528155a035f11bee83203becdeb1116d48.zip

r654 FIFO_GET_ENGINE_CONTEXT_PROPERTIES (0x801707): return the real per-engine context geometry captured from the GSP on the physical backend - the client queries ZCULL geometry (engineId=8) at the end of every vkCreateDevice attempt and the generic all-zero reply failed its ZCULL-context buffer allocation (VKFAIL -3); with the handler the client proceeds through GR_CTXSW_ZCULL_BIND, GR_SET_CTXSW_PREEMPTION_MODE, VRAM allocs and MAP_MEMORY_DMA to the GR channel kick

Diffstat (limited to 'wiki/open-iov.org/index.php?title=File:Application_Binary_Interface_(ABI).png&action=info.html')

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