236 pub enum PciError {  enum
247 impl Display for PciError {  implementation
324     fn bar_init(&mut self) -> Option<Result<u8, PciError>> {  in bar_init()  argument
328     fn msix_init(&mut self) -> Option<Result<u8, PciError>> {  in msix_init()  argument
405     fn bar_init(&mut self) -> Option<Result<u8, PciError>> {  in bar_init()  argument
537     pub fn new(segment_group_number: SegmentGroupNumber) -> Result<Self, PciError> {  in new()  argument
544     fn map(&mut self) -> Result<u8, PciError> {  in map()  argument
559                 return Err(PciError::CreateMmioError);  in map()
650 ) -> Result<Box<dyn PciDeviceStructure>, PciError> {  in pci_read_header()  argument
672         return Err(PciError::GetWrongHeader);  in pci_read_header()
722         HeaderType::Unrecognised(_) => Err(PciError::UnrecognisedHeaderType),  in pci_read_header()
923 fn pci_check_all_buses() -> Result<u8, PciError> {  in pci_check_all_buses()
942 fn pci_check_function(busdevicefunction: BusDeviceFunction) -> Result<u8, PciError> {  in pci_check_function()  argument
946         Err(PciError::GetWrongHeader) => {  in pci_check_function()
959             .ok_or(PciError::PciDeviceStructureTransformError)?;  in pci_check_function()
968 fn pci_check_device(bus: u8, device: u8) -> Result<u8, PciError> {  in pci_check_device()  argument
977         Err(PciError::GetWrongHeader) => {  in pci_check_device()
1007 fn pci_check_bus(bus: u8) -> Result<u8, PciError> {  in pci_check_bus()  argument
1137     type Error = PciError;
1143             _ => Err(PciError::InvalidBarType),  in try_from()
1239     pub fn get_bar(&self, bar_index: u8) -> Result<&BarInfo, PciError> {  in get_bar()  argument
1247             _ => Err(PciError::InvalidBarType),  in get_bar()
1280 ) -> Result<PciStandardDeviceBar, PciError> {  in pci_bar_init()  argument
1316                     return Err(PciError::InvalidBarType);  in pci_bar_init()
1338                     return Err(PciError::CreateMmioError);  in pci_bar_init()