vasilito
6dab9b2953
Convert the remaining expect-based test scripts (phase1-6 runtime, usb,
wifi, bluetooth, dbus, greeter, live-iso, posix) to the stdlib python
harness, completing the migration started in 9ec00d4c81. Each script now
prefers booting the live ISO when present (falling back to harddrive.img
with snapshot=on), and retries up to 5 times when QEMU exits early or is
killed (rc 3 / 137) — the host-contention failure mode recorded in the
2026-07-20 runtime-proof status.
qemu-login-expect.py: treat an incomplete step sequence as a failure even
when a pass marker was seen partway through — partial sequences must not
count as a pass.
186 lines
6.3 KiB
Bash
186 lines
6.3 KiB
Bash
#!/usr/bin/env bash
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# Launch Red Bear OS with an Intel Wi-Fi PCI device passed through for runtime validation.
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set -euo pipefail
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find_uefi_firmware() {
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local candidates=(
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"/usr/share/ovmf/x64/OVMF.4m.fd"
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"/usr/share/OVMF/x64/OVMF.4m.fd"
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"/usr/share/ovmf/x64/OVMF_CODE.4m.fd"
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"/usr/share/OVMF/x64/OVMF_CODE.4m.fd"
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"/usr/share/ovmf/OVMF.fd"
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"/usr/share/OVMF/OVMF_CODE.fd"
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"/usr/share/qemu/edk2-x86_64-code.fd"
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)
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local path
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for path in "${candidates[@]}"; do
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if [[ -f "$path" ]]; then
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printf '%s\n' "$path"
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return 0
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fi
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done
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return 1
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}
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capture_output=""
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usage() {
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cat <<'EOF'
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Usage: test-wifi-passthrough-qemu.sh --host-pci 0000:xx:yy.z [--check] [--capture-output PATH] [extra qemu args...]
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Boot Red Bear OS with an Intel Wi-Fi PCI function passed through via VFIO and optionally run the
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bounded in-guest Wi-Fi runtime check.
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Options:
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--host-pci BDF Host PCI address of the Intel Wi-Fi device to pass through (required)
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--check Auto-login and run redbear-phase5-network-check plus the bounded Wi-Fi runtime check
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--capture-output PATH Save the in-guest Wi-Fi capture bundle to a host-side file during --check
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-h, --help Show this help text
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Notes:
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- The host device must already be detached from the host driver and bound to vfio-pci.
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- This script only provides the launch/check harness. Real success still depends on Red Bear OS
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runtime behavior on the passed-through hardware.
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EOF
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}
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host_pci=""
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check_mode=0
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filtered_args=()
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--host-pci)
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if [[ $# -lt 2 ]]; then
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echo "ERROR: --host-pci requires a PCI BDF" >&2
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exit 1
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fi
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host_pci="$2"
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shift 2
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;;
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--check)
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check_mode=1
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shift
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;;
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--capture-output)
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if [[ $# -lt 2 ]]; then
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echo "ERROR: --capture-output requires a path" >&2
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exit 1
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fi
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capture_output="$2"
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shift 2
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;;
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--help|-h)
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usage
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exit 0
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;;
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*)
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filtered_args+=("$1")
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shift
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;;
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esac
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done
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if [[ -z "$host_pci" ]]; then
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echo "ERROR: --host-pci is required" >&2
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usage
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exit 1
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fi
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firmware="$(find_uefi_firmware)" || {
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echo "ERROR: no usable x86_64 UEFI firmware found" >&2
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exit 1
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}
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arch="${ARCH:-$(uname -m)}"
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config="redbear-full"
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iso="build/$arch/$config.iso"
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image="build/$arch/$config/harddrive.img"
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extra="build/$arch/$config/extra.img"
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boot_args=()
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if [[ -f "$iso" ]]; then
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boot_args=(-cdrom "$iso")
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elif [[ -f "$image" ]]; then
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boot_args=(-drive file="$image",format=raw,if=none,id=drv0,snapshot=on -device nvme,drive=drv0,serial=NVME_SERIAL)
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else
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echo "ERROR: no bootable image found ($iso or $image)" >&2
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echo "Build it first with: ./local/scripts/build-redbear.sh $config" >&2
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exit 1
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fi
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if [[ ! -f "$extra" ]]; then
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truncate -s 1g "$extra"
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fi
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vfio_arg="vfio-pci,host=${host_pci}"
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if [[ "$check_mode" -eq 1 ]]; then
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capture_output="${capture_output:-$(pwd)/wifi-passthrough-capture.json}"
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capture_log="build/$arch/$config/wifi-passthrough-check.log"
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attempt=1
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while true; do
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rc=0
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python3 local/scripts/qemu-login-expect.py \
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--timeout 420 \
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--log "$capture_log" \
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--step "expect:login:" \
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--step "send:root" \
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--step "expect:assword:" \
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--step "send:password" \
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--step "expect:Type 'help' for available commands." \
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--step "send:redbear-phase5-network-check" \
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--step "expect:Red Bear OS Phase 5 Networking Check" \
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--step "send:redbear-phase5-wifi-run wifi-open-bounded wlan0 /tmp/redbear-phase5-wifi-capture.json" \
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--step "expect:Red Bear OS Phase 5 Wi-Fi Check" \
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--step "expect:PASS: bounded Intel Wi-Fi runtime path exercised on target" \
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--step "expect:capture_output=/tmp/redbear-phase5-wifi-capture.json" \
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--step "expect:root@" \
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--step "send:wc -c /tmp/redbear-phase5-wifi-capture.json" \
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--step "expect:/tmp/redbear-phase5-wifi-capture.json" \
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--step "send:printf 'CAPTURE-BEGIN\n'; cat /tmp/redbear-phase5-wifi-capture.json; printf '\nCAPTURE-END\n'" \
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--step "expect:CAPTURE-BEGIN" \
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--step "expect:CAPTURE-END" \
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--step "send:shutdown" \
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--pass_marker "CAPTURE-END" \
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-- \
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qemu-system-x86_64 -name "Red Bear OS Wi-Fi Passthrough" -device qemu-xhci -smp 4 -m 4096 -bios "$firmware" -chardev stdio,id=debug,signal=off,mux=on -serial chardev:debug -mon chardev:debug -machine q35 -device ich9-intel-hda -device hda-output -device vfio-pci,host=$host_pci -vga std "${boot_args[@]}" -drive file="$extra",format=raw,if=none,id=drv1,snapshot=on -device nvme,drive=drv1,serial=NVME_EXTRA -enable-kvm -cpu host "${filtered_args[@]}" || rc=$?
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if [[ $rc -eq 0 ]]; then
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break
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fi
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if [[ ( $rc -eq 3 || $rc -eq 137 ) && $attempt -lt 5 ]]; then
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attempt=$((attempt + 1))
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echo "QEMU exited before completing the check; retrying (attempt $attempt/5)"
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sleep 2
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continue
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fi
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exit "$rc"
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done
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# The original expect script used a -re capture group to extract the JSON
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# bundle between CAPTURE-BEGIN/CAPTURE-END. The stdlib helper logs all
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# serial output, so pull the bundle out of the log here.
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awk '/^CAPTURE-BEGIN$/{f=1; next} /^CAPTURE-END$/{f=0} f' "$capture_log" > "$capture_output"
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echo "capture_output=$capture_output"
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exit 0
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fi
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exec qemu-system-x86_64 \
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-name "Red Bear OS Wi-Fi Passthrough" \
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-device qemu-xhci \
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-smp 4 \
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-m 4096 \
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-bios "$firmware" \
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-chardev stdio,id=debug,signal=off,mux=on \
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-serial chardev:debug \
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-mon chardev=debug \
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-machine q35 \
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-device ich9-intel-hda -device hda-output \
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-device "$vfio_arg" \
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-vga std \
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-drive file="$image",format=raw,if=none,id=drv0 \
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-device nvme,drive=drv0,serial=NVME_SERIAL \
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-drive file="$extra",format=raw,if=none,id=drv1 \
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-device nvme,drive=drv1,serial=NVME_EXTRA \
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-enable-kvm -cpu host \
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"${filtered_args[@]}"
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