130 lines
4.7 KiB
Bash
Executable File
130 lines
4.7 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: MPL-2.0
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# This script is used to generate QEMU arguments for OSDK.
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# Usage: `qemu_args.sh [scheme]`
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# - scheme: "normal", "microvm" or "iommu";
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# Other arguments are configured via environmental variables:
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# - OVMF: "on" or "off";
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# - NETDEV: "user" or "tap";
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# - VHOST: "off" or "on";
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# - VSOCK: "off" or "on";
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# - SMP: number of CPUs;
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# - MEM: amount of memory, e.g. "8G".
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OVMF=${OVMF:-"on"}
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VHOST=${VHOST:-"off"}
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VSOCK=${VSOCK:-"off"}
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NETDEV=${NETDEV:-"user"}
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SSH_RAND_PORT=${SSH_PORT:-$(shuf -i 1024-65535 -n 1)}
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NGINX_RAND_PORT=${NGINX_PORT:-$(shuf -i 1024-65535 -n 1)}
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REDIS_RAND_PORT=${REDIS_PORT:-$(shuf -i 1024-65535 -n 1)}
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IPERF_RAND_PORT=${IPERF_PORT:-$(shuf -i 1024-65535 -n 1)}
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LMBENCH_TCP_LAT_RAND_PORT=${LMBENCH_TCP_LAT_PORT:-$(shuf -i 1024-65535 -n 1)}
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# Optional QEMU arguments. Opt in them manually if needed.
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# QEMU_OPT_ARG_DUMP_PACKETS="-object filter-dump,id=filter0,netdev=net01,file=virtio-net.pcap"
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if [[ "$NETDEV" =~ "user" ]]; then
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echo "[$1] Forwarded QEMU guest port: $SSH_RAND_PORT->22; $NGINX_RAND_PORT->8080 $REDIS_RAND_PORT->6379 $IPERF_RAND_PORT->5201 $LMBENCH_TCP_LAT_RAND_PORT->31234" 1>&2
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NETDEV_ARGS="-netdev user,id=net01,hostfwd=tcp::$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"
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elif [[ "$NETDEV" =~ "tap" ]]; then
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THIS_SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
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QEMU_IFUP_SCRIPT_PATH=$THIS_SCRIPT_DIR/net/qemu-ifup.sh
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QEMU_IFDOWN_SCRIPT_PATH=$THIS_SCRIPT_DIR/net/qemu-ifdown.sh
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NETDEV_ARGS="-netdev tap,id=net01,script=$QEMU_IFUP_SCRIPT_PATH,downscript=$QEMU_IFDOWN_SCRIPT_PATH,vhost=$VHOST"
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else
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echo "Invalid netdev" 1>&2
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NETDEV_ARGS="-nic none"
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fi
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COMMON_QEMU_ARGS="\
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-cpu Icelake-Server,+x2apic \
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-smp ${SMP:-1} \
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-m ${MEM:-8G} \
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--no-reboot \
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-nographic \
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-display none \
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-serial chardev:mux \
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-monitor chardev:mux \
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-chardev stdio,id=mux,mux=on,signal=off,logfile=qemu.log \
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$NETDEV_ARGS \
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$QEMU_OPT_ARG_DUMP_PACKETS \
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-device isa-debug-exit,iobase=0xf4,iosize=0x04 \
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-drive if=none,format=raw,id=x0,file=./test/build/ext2.img \
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-drive if=none,format=raw,id=x1,file=./test/build/exfat.img \
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"
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if [ "$1" = "iommu" ]; then
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IOMMU_DEV_EXTRA=",iommu_platform=on,ats=on"
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IOMMU_EXTRA_ARGS="\
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-device intel-iommu,intremap=on,device-iotlb=on \
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-device ioh3420,id=pcie.0,chassis=1\
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"
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fi
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QEMU_ARGS="\
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$COMMON_QEMU_ARGS \
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-machine q35,kernel-irqchip=split \
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-device virtio-blk-pci,bus=pcie.0,addr=0x6,drive=x0,serial=vext2,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
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-device virtio-blk-pci,bus=pcie.0,addr=0x7,drive=x1,serial=vexfat,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
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-device virtio-keyboard-pci,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
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-device virtio-net-pci,netdev=net01,disable-legacy=on,disable-modern=off,mrg_rxbuf=off,ctrl_rx=off,ctrl_rx_extra=off,ctrl_vlan=off,ctrl_vq=off,ctrl_guest_offloads=off,ctrl_mac_addr=off,event_idx=off,queue_reset=off,guest_announce=off,indirect_desc=off$IOMMU_DEV_EXTRA \
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-device virtio-serial-pci,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
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-device virtconsole,chardev=mux \
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$IOMMU_EXTRA_ARGS \
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"
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MICROVM_QEMU_ARGS="\
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$COMMON_QEMU_ARGS \
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-machine microvm,rtc=on \
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-nodefaults \
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-no-user-config \
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-device virtio-blk-device,drive=x0,serial=vext2 \
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-device virtio-blk-device,drive=x1,serial=vexfat \
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-device virtio-keyboard-device \
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-device virtio-net-device,netdev=net01 \
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-device virtio-serial-device \
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-device virtconsole,chardev=mux \
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"
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if [ "$VSOCK" = "on" ]; then
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# RAND_CID=$(shuf -i 3-65535 -n 1)
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RAND_CID=3
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echo "[$1] Launched QEMU VM with CID $RAND_CID" 1>&2
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if [ "$1" = "microvm" ]; then
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MICROVM_QEMU_ARGS="
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$MICROVM_QEMU_ARGS \
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-device vhost-vsock-device,guest-cid=$RAND_CID \
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"
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else
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QEMU_ARGS="
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$QEMU_ARGS \
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-device vhost-vsock-pci,id=vhost-vsock-pci0,guest-cid=$RAND_CID,disable-legacy=on,disable-modern=off$IOMMU_DEV_EXTRA \
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"
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fi
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fi
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if [ "$1" = "microvm" ]; then
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QEMU_ARGS=$MICROVM_QEMU_ARGS
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echo $QEMU_ARGS
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exit 0
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fi
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if [ "$OVMF" = "on" ]; then
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if [ "$1" = "test" ]; then
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echo "We use QEMU direct boot for testing, which does not support OVMF, ignoring OVMF" 1>&2
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else
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OVMF_PATH="/usr/share/OVMF"
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QEMU_ARGS="${QEMU_ARGS} \
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-drive if=pflash,format=raw,unit=0,readonly=on,file=$OVMF_PATH/OVMF_CODE.fd \
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-drive if=pflash,format=raw,unit=1,file=$OVMF_PATH/OVMF_VARS.fd \
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"
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fi
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fi
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echo $QEMU_ARGS
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