mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2026-08-28 11:56:03 +00:00
70 lines
1.6 KiB
Bash
70 lines
1.6 KiB
Bash
#!/usr/bin/env bash
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set -Eeuo pipefail
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DEF_OPTS="-nodefaults -boot strict=on"
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DEV_OPTS=""
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configureProcessor() {
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# Expose one thread per core in a single socket; DSM licensing and topology
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# reporting are more predictable with this fixed layout.
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CPU_OPTS="-cpu $CPU_FLAGS"
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CPU_OPTS+=" -smp $CPU_CORES,sockets=1,dies=1,cores=$CPU_CORES,threads=1"
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return 0
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}
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configureMemory() {
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RAM_OPTS=$(echo "-m ${RAM_SIZE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
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return 0
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}
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configureMonitor() {
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MON_OPTS="-name $PROCESS,process=$PROCESS,debug-threads=on"
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MON_OPTS+=" -pidfile $QEMU_PID"
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return 0
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}
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configureMachine() {
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# Disable firmware and chipset features that Virtual DSM does not use and
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# that can introduce extra devices or timing differences.
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MAC_OPTS="-machine type=$MACHINE,smm=off,usb=off"
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MAC_OPTS+=",vmport=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
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return 0
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}
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configureVirtioDevices() {
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DEV_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
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DEV_OPTS+=" -object rng-random,id=objrng0,filename=/dev/urandom"
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DEV_OPTS+=" -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
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return 0
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}
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buildArguments() {
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ARGS="$DEF_OPTS $CPU_OPTS $RAM_OPTS $MAC_OPTS $DISPLAY_OPTS $MON_OPTS $SERIAL_OPTS $NET_OPTS $DISK_OPTS $DEV_OPTS $ARGUMENTS"
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# Collapse whitespace after optional argument groups are assembled so empty
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# features cannot leave malformed spacing in the final QEMU command.
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ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
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return 0
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}
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configureMemory
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configureMonitor
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configureMachine
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configureProcessor
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configureVirtioDevices
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buildArguments
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return 0
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