pub fn capabilities_offset(bus_device_function: BusDeviceFunction) -> Option<u8>Expand description
Gets the capabilities ‘pointer’ for the device function, if any.
@brief 获取第一个capability 的offset
@param bus_device_function PCI设备的唯一标识
@return Option
pub fn capabilities_offset(bus_device_function: BusDeviceFunction) -> Option<u8>Gets the capabilities ‘pointer’ for the device function, if any.
@brief 获取第一个capability 的offset
@param bus_device_function PCI设备的唯一标识
@return Option