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- src/si/vgpu-stream: in-guest vgpu producer built as a Windows cross-compiled target (if(WIN32)) - .gitea: release workflow — cross-build the agent and build/publish the deb against system vmie - cmake/makefile: resolve vmie from a source tree (LIBVMIE_PATH) or installed libvmie-dev
29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
#ifndef VGPU_REGION_H
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#define VGPU_REGION_H
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/* region.h — win32 pinned contract region (resolves blocks for the region-view). */
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#include <stdint.h>
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#include "vgpu_stream.h" /* public contract: blocks, offsets, slot geometry */
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/*
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* One contiguous 2 MiB-aligned pinned region holding the full contract:
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* producer block (page 0), control block (page 1), then SLOT_COUNT frame slots
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* starting at VGPU_RING_OFFSET. Object = memory: the region owns the mapping,
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* its lifetime is the mapping's lifetime. No hidden global state.
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*/
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typedef struct {
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void* os_base; /* raw allocation base (for free) */
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uint8_t* base; /* 2 MiB-aligned region base (== contract origin) */
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uint64_t os_total; /* bytes reserved at os_base */
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vgpu_producer_t* producer; /* base + VGPU_PRODUCER_OFFSET */
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vgpu_control_t* control; /* base + VGPU_CONTROL_OFFSET */
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uint8_t* ring; /* base + VGPU_RING_OFFSET */
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} vgpu_region_t;
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/* Returns 0 on success, non-zero on failure (region zeroed on failure). */
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int vgpu_region_create(vgpu_region_t* out);
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void vgpu_region_destroy(vgpu_region_t* r);
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#endif /* VGPU_REGION_H */
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