Method vfio_id_string

crates/openshell-vfio/src/sysfs.rs:155–161

Read vendor and device IDs from sysfs and format as `"VVVV DDDD"` (no `0x` prefix).

(&self)

    /// Read vendor and device IDs from sysfs and format as `"VVVV DDDD"` (no `0x` prefix).
    pub(crate) fn vfio_id_string(&self) -> Option<String> {
        let vendor = self.vendor().ok()?;
        let device = self.device_id().ok()?;
        let vendor_hex = vendor.strip_prefix("0x").unwrap_or(&vendor);
        let device_hex = device.strip_prefix("0x").unwrap_or(&device);
        Some(format!("{vendor_hex} {device_hex}"))
    }
}

/// Validate a PCI BDF address (format `DDDD:BB:DD.F`).