feat(windows): add native Windows WHPX hypervisor backend - #1

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lilongen wants to merge 33 commits into

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lilongen:feat/windows-whpx-support

Commits on May 2, 2026

Disable TSI fallback for offline guests

DorianZheng
authored and
lile
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feat: add Windows WHPX hypervisor backend

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refactor: gate Unix-only code and add Windows platform support

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feat(vmm): intercept MSR/CPUID exits to fix WHPX triple fault during Linux boot

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feat(vmm): complete WHPX device emulation for Linux kernel boot

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feat(vmm): add virtio-blk disk support and WHPX cmdline refinements

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feat(vmm): wire root disk remount and init path into WHPX kernel cmdline

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feat(vmm): add --init, --root, --fstype, --argv options to boot_kernel example

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fix(vmm): set valid virtio vendor ID and add block error logging

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feat(vmm/windows): vsock outbound TCP, second disk, E820 MMIO hole

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perf(vmm): serial FIFO batching and code quality improvements

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feat(vmm): ACPI S5 instant shutdown with quiet/verbose boot modes

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feat(vmm/windows): vsock host-initiated connections and flexible port routing

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style(vmm): apply rustfmt to ACPI tables and boot loader

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fix(windows): WHPX reliability — PIC priority masking, HLT clear_halt, diagnostics

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fix(windows): CMOS RTC BCD encoding and MMIO config space byte reads

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perf(windows/vsock): increase TCP read buffer 4KB → 64KB + add trace logging

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feat(windows): add async virtio-blk worker (disabled) + HLT/interrupt fixes

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feat(windows): enable async virtio-blk worker + fix interrupt injection

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feat(windows): add userspace IOAPIC + LAPIC interrupt architecture

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feat(windows): multi-vCPU support (LAPIC array, ICR/IPI, multi-threaded runner)

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feat(windows): add virtio-rng and virtio-balloon devices

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feat(windows): HLT tiered sleep, structured logging, LAPIC timer throttle

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feat(windows): add QCOW2 backing file support to disk backend

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feat(windows): per-vCPU LAPIC locking for 4+ vCPU support

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feat(windows): lock-free LAPIC + CPUID topology override

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feat(windows): ICR broadcast shorthand + 4-vCPU AP diagnostic logging

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feat(windows): replace TCP with AF_UNIX sockets in VMM

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fix(windows): gate Unix-only deps behind cfg(unix) for Windows compilation

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Commits on May 3, 2026

fix: update enable_tsi() to use tsi_flags after TsiFlags refactoring

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Commits on May 5, 2026

fix: cargo fmt + declare efi feature for clippy

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fix(ci): cargo fmt import ordering + restore test_utils dev-dep

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fix(ci): gate boot_kernel example behind cfg(windows)

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