diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/launch_qemu_direct.sh | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/scripts/launch_qemu_direct.sh b/scripts/launch_qemu_direct.sh new file mode 100755 index 0000000..25e628c --- /dev/null +++ b/scripts/launch_qemu_direct.sh @@ -0,0 +1,55 @@ +#!/bin/bash +# launch_qemu_direct.sh - launch the vGPU VM without , with a serial +# socket, QMP socket and guest agent socket that tools/guest-diag scripts +# expect. The mdev UUID is taken from $1 or MDEV_UUID, else the first +# existing /sys/bus/mdev/devices entry. +# +# Usage: sudo scripts/launch_qemu_direct.sh [mdev-uuid] +set -euo pipefail + +MDEV_UUID="${1:-${MDEV_UUID:-}}" +if [ -z "$MDEV_UUID" ]; then + MDEV_UUID=$(ls /sys/bus/mdev/devices/ 2>/dev/null | head -1) +fi +if [ -z "$MDEV_UUID" ]; then + echo "ERROR: no mdev device (create one first)" >&2 + exit 1 +fi +MDEV_PATH="/sys/bus/mdev/devices/${MDEV_UUID}" +DISK="${DISK:-/home/rmcore/.local/libvf.io/kernel/linux.qcow2}" +SERIAL_SOCK="${SERIAL_SOCK:-/tmp/qemu-serial.sock}" +QMP_SOCK="${QMP_SOCK:-/tmp/qemu-qmp-direct.sock}" +GUEST_AGENT_SOCK="${GUEST_AGENT_SOCK:-/tmp/qemu-guest-agent-direct.sock}" + +rm -f "$SERIAL_SOCK" "$QMP_SOCK" "$GUEST_AGENT_SOCK" + +exec qemu-system-x86_64 \ + -no-hpet \ + -mem-prealloc \ + -qmp "unix:${QMP_SOCK},server,nowait" \ + -chardev "socket,path=${GUEST_AGENT_SOCK},server=on,wait=off,id=qga0" \ + -device virtio-serial-pci \ + -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 \ + -serial "unix:${SERIAL_SOCK},server,nowait" \ + -gdb tcp::1234 \ + -nographic \ + -vga none \ + -device ivshmem-plain,id=shmem0,memdev=ivshmem_kvmfr \ + -object memory-backend-file,id=ivshmem_kvmfr,mem-path=/dev/shm/kvmfr-direct,size=128M,share=yes \ + -device ivshmem-plain,id=shmem1,memdev=ivshmem_kvmsr \ + -object memory-backend-file,id=ivshmem_kvmsr,mem-path=/dev/shm/kvmsr-direct,size=2M,share=yes \ + -uuid 90288662-2b76-49a4-83a5-7eb1e8ec22ed \ + -machine pc-q35-4.2,accel=kvm,usb=off,vmport=off,dump-guest-core=off \ + -cpu host,ss=on,vmx=on,pcid=on,hypervisor=on,arat=on,tsc-adjust=on,umip=on,md-clear=on,stibp=on,arch-capabilities=on,ssbd=on,xsaveopt=on,pdpe1gb=on,ibpb=on,amd-stibp=on,amd-ssbd=on,skip-l1dfl-vmentry=on,pschange-mc-no=on,hv-vapic,hv-time,hv-spinlocks=0x1fff,hv-vendor-id=null,kvm=on,topoext=on \ + -rtc clock=host,base=localtime \ + -m "${RAM:-4096}" \ + -smp cores=4,threads=1,sockets=1 \ + -hda "${DISK}" \ + --enable-kvm \ + -device vfio-pci,sysfsdev="${MDEV_PATH}",display=off \ + -device rtl8139,netdev=net0 \ + -netdev user,id=net0,hostfwd=tcp::2222-:22 \ + -net user \ + -net nic \ + -device vhost-vsock-pci,guest-cid="${VSOCK_CID:-97844}" \ + -display none |