Method save

crates/openshell-vfio/src/pci.rs:197–203

(&self, path: &Path)

    }

    pub fn save(&self, path: &Path) -> Result<(), std::io::Error> {
        let data = serde_json::to_string_pretty(self)
            .map_err(|e| std::io::Error::new(std::io::ErrorKind::InvalidData, e))?;
        let tmp = path.with_extension("tmp");
        fs::write(&tmp, &data)?;
        fs::rename(&tmp, path)
    }
}

/// Enumerate every PCI device on the host that is structurally eligible