asterinas/tools/qemu_args.sh

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#!/bin/bash
# SPDX-License-Identifier: MPL-2.0
# This script is used to generate QEMU arguments for OSDK.
# The positional argument $1 is the scheme.
# A switch "-ovmf" can be passed as an argument to enable OVMF.
# The enrivonmental variable VSOCK can be passed as 1 to trigger vsock module.
SSH_RAND_PORT=${SSH_PORT:-$(shuf -i 1024-65535 -n 1)}
NGINX_RAND_PORT=${NGINX_PORT:-$(shuf -i 1024-65535 -n 1)}
REDIS_RAND_PORT=${REDIS_PORT:-$(shuf -i 1024-65535 -n 1)}
IPERF_RAND_PORT=${IPERF_PORT:-$(shuf -i 1024-65535 -n 1)}
LMBENCH_TCP_LAT_RAND_PORT=${LMBENCH_TCP_LAT_PORT:-$(shuf -i 1024-65535 -n 1)}
# Optional QEMU arguments. Opt in them manually if needed.
# QEMU_OPT_ARG_DUMP_PACKETS="-object filter-dump,id=filter0,netdev=net01,file=virtio-net.pcap"
echo "[$1] Forwarded QEMU guest port: $SSH_RAND_PORT->22; $NGINX_RAND_PORT->8080 $REDIS_RAND_PORT->6379 $IPERF_RAND_PORT->5201 $LMBENCH_TCP_LAT_RAND_PORT->31234" 1>&2
COMMON_QEMU_ARGS="\
-cpu Icelake-Server,+x2apic \
-smp ${SMP:-1} \
-m ${MEM:-8G} \
--no-reboot \
-nographic \
-display none \
-serial chardev:mux \
-monitor chardev:mux \
-chardev stdio,id=mux,mux=on,signal=off,logfile=qemu.log \
-netdev user,id=net01,hostfwd=tcp::$SSH_RAND_PORT-:22,hostfwd=tcp::$NGINX_RAND_PORT-:8080,hostfwd=tcp::$REDIS_RAND_PORT-:6379,hostfwd=tcp::$IPERF_RAND_PORT-:5201,hostfwd=tcp::$LMBENCH_TCP_LAT_RAND_PORT-:31234 \
$QEMU_OPT_ARG_DUMP_PACKETS \
-device isa-debug-exit,iobase=0xf4,iosize=0x04 \
-drive if=none,format=raw,id=x0,file=./test/build/ext2.img \
-drive if=none,format=raw,id=x1,file=./test/build/exfat.img \
"
if [ "$1" = "iommu" ]; then
IOMMU_DEV_EXTRA=",iommu_platform=on,ats=on"
IOMMU_EXTRA_ARGS="\
-device intel-iommu,intremap=on,device-iotlb=on \
-device ioh3420,id=pcie.0,chassis=1\
"
fi
QEMU_ARGS="\
$COMMON_QEMU_ARGS \
-machine q35,kernel-irqchip=split \
-device virtio-blk-pci,bus=pcie.0,addr=0x6,drive=x0,serial=vext2,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
-device virtio-blk-pci,bus=pcie.0,addr=0x7,drive=x1,serial=vexfat,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
-device virtio-keyboard-pci,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
-device virtio-net-pci,netdev=net01,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
-device virtio-serial-pci,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
-device virtconsole,chardev=mux \
$IOMMU_EXTRA_ARGS \
"
MICROVM_QEMU_ARGS="\
$COMMON_QEMU_ARGS \
-machine microvm,rtc=on \
-nodefaults \
-no-user-config \
-device virtio-blk-device,drive=x0,serial=vext2 \
-device virtio-blk-device,drive=x1,serial=vexfat \
-device virtio-keyboard-device \
-device virtio-net-device,netdev=net01 \
-device virtio-serial-device \
-device virtconsole,chardev=mux \
"
if [ "$VSOCK" = "1" ]; then
# RAND_CID=$(shuf -i 3-65535 -n 1)
RAND_CID=3
echo "[$1] Launched QEMU VM with CID $RAND_CID" 1>&2
if [ "$1" = "microvm" ]; then
MICROVM_QEMU_ARGS="
$MICROVM_QEMU_ARGS \
-device vhost-vsock-device,guest-cid=$RAND_CID \
"
else
QEMU_ARGS="
$QEMU_ARGS \
-device vhost-vsock-pci,id=vhost-vsock-pci0,guest-cid=$RAND_CID,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
"
fi
fi
if [ "$1" = "microvm" ]; then
QEMU_ARGS=$MICROVM_QEMU_ARGS
echo $QEMU_ARGS
exit 0
fi
if [ "$1" = "-ovmf" ] || [ "$2" = "-ovmf" ]; then
OVMF_PATH="/usr/share/OVMF"
QEMU_ARGS="${QEMU_ARGS}\
-drive if=pflash,format=raw,unit=0,readonly=on,file=$OVMF_PATH/OVMF_CODE.fd \
-drive if=pflash,format=raw,unit=1,file=$OVMF_PATH/OVMF_VARS.fd \
"
fi
echo $QEMU_ARGS