Method parse

vmm/src/config.rs:683–769

(cpus: &str)

impl CpusConfig {
    pub fn parse(cpus: &str) -> Result<Self> {
        let mut parser = OptionParser::new();
        parser
            .add("boot")
            .add("max")
            .add("topology")
            .add("kvm_hyperv")
            .add("max_phys_bits")
            .add("affinity")
            .add("features")
            .add("nested")
            .add("core_scheduling");
        parser.parse(cpus).map_err(Error::ParseCpus)?;

        let boot_vcpus: u32 = parser
            .convert("boot")
            .map_err(Error::ParseCpus)?
            .unwrap_or(DEFAULT_VCPUS);
        let max_vcpus: u32 = parser
            .convert("max")
            .map_err(Error::ParseCpus)?
            .unwrap_or(boot_vcpus);
        let topology = parser.convert("topology").map_err(Error::ParseCpus)?;
        let kvm_hyperv = parser
            .convert::<Toggle>("kvm_hyperv")
            .map_err(Error::ParseCpus)?
            .unwrap_or(Toggle(false))
            .0;
        let max_phys_bits = parser
            .convert::<u8>("max_phys_bits")
            .map_err(Error::ParseCpus)?
            .unwrap_or(DEFAULT_MAX_PHYS_BITS);
        let affinity = parser
            .convert::<Tuple<u32, Vec<usize>>>("affinity")
            .map_err(Error::ParseCpus)?
            .map(|v| {
                v.0.iter()
                    .map(|(e1, e2)| CpuAffinity {
                        vcpu: *e1,
                        host_cpus: e2.clone(),
                    })
                    .collect()
            });
        let features_list = parser
            .convert::<StringList>("features")
            .map_err(Error::ParseCpus)?
            .unwrap_or_default();

        #[allow(unused_mut)]
        let mut features = CpuFeatures::default();
        {
            #[cfg(target_arch = "x86_64")]
            for feature in features_list.0 {
                match feature.as_str() {
                    "amx" => features.amx = true,
                    _ => return Err(Error::InvalidCpuFeatures(feature)),
                }
            }