qvm/internal/vm/qemu.go

54 lines
1.1 KiB
Go

package vm
import (
"fmt"
"qvm/internal/config"
"qvm/internal/virtiofsd"
"strconv"
)
func buildQEMUCommand(cfg *config.Config, sshPort int, mounts []virtiofsd.Mount) []string {
args := []string{
"qemu-system-x86_64",
"-enable-kvm",
}
memSize := cfg.VM.Memory
args = append(args,
"-object", fmt.Sprintf("memory-backend-memfd,id=mem,size=%s,share=on", memSize),
"-numa", "node,memdev=mem",
)
args = append(args,
"-smp", strconv.Itoa(cfg.VM.CPUs),
)
args = append(args,
"-drive", fmt.Sprintf("if=virtio,file=%s,format=qcow2", config.Overlay),
)
args = append(args,
"-nic", fmt.Sprintf("user,model=virtio-net-pci,hostfwd=tcp::%d-:22", sshPort),
)
args = append(args,
"-serial", fmt.Sprintf("file:%s", config.SerialLog),
)
args = append(args,
"-qmp", fmt.Sprintf("unix:%s,server,nowait", config.QMPSocket),
)
args = append(args,
"-display", "none",
)
for _, mount := range mounts {
args = append(args,
"-chardev", fmt.Sprintf("socket,id=%s,path=%s", mount.Tag, mount.SocketPath),
"-device", fmt.Sprintf("vhost-user-fs-pci,queue-size=1024,chardev=%s,tag=%s", mount.Tag, mount.Tag),
)
}
return args
}