152 pub const PORT_PCI_CONFIG_ADDRESS: u16 = 0xcf8;
153 pub const PORT_PCI_CONFIG_DATA: u16 = 0xcfc;
155 pub type SegmentGroupNumber = u16; //理论上最多支持65535个Segment_Group
159     pub struct Status: u16 {
188     pub struct Command: u16 {
373     fn irq_vector_mut(&mut self) -> Option<&mut Vec<u16>>;  in irq_vector_mut()  argument
381     pub vendor_id: u16, // 供应商ID 0xffff是一个无效值，在读取访问不存在的设备的配置空间寄存器时返回
382     pub device_id: u16, // 设备ID，标志特定设备
383     pub command: u16, // 提供对设备生成和响应pci周期的能力的控制 向该寄存器写入0时，设备与pci总线断开除配置空间访问以外的所有连接
384     pub status: u16,  // 用于记录pci总线相关时间的状态信息寄存器
406     pub irq_vector: Vec<u16>,
409     pub subsystem_vendor_id: u16,
410     pub subsystem_id: u16,
414     pub reserved1: u16,
466     fn irq_vector_mut(&mut self) -> Option<&mut Vec<u16>> {  in irq_vector_mut()  argument
478     pub irq_vector: Vec<u16>,
487     pub secondary_status: u16,
488     pub memory_base: u16,
489     pub memory_limit: u16,
490     pub prefetchable_memory_base: u16,
491     pub prefetchable_memory_limit: u16,
494     pub io_base_upper_16_bits: u16,
495     pub io_limit_upper_16_bits: u16,
498     pub reserved1: u16,
502     pub bridge_control: u16,
530     fn irq_vector_mut(&mut self) -> Option<&mut Vec<u16>> {  in irq_vector_mut()  argument
541     pub secondary_status: u16,
556     pub bridge_control: u16,
557     pub subsystem_device_id: u16,
558     pub subsystem_vendor_id: u16,
589     fn irq_vector_mut(&mut self) -> Option<&mut Vec<u16>> {  in irq_vector_mut()  argument
666     fn cam_offset(&self, bus_device_function: BusDeviceFunction, register_offset: u16) -> u32 {  in cam_offset()
680     pub fn read_config(&self, bus_device_function: BusDeviceFunction, register_offset: u16) -> u32 {  in read_config()
695         register_offset: u16,  in write_config()  argument
724     let status: Status = Status::from_bits_truncate((result >> 16) as u16);  in capabilities_offset()
743     let vendor_id = result as u16;  in pci_read_header()
744     let device_id = (result >> 16) as u16;  in pci_read_header()
747     let command = result as u16;  in pci_read_header()
748     let status = (result >> 16) as u16;  in pci_read_header()
825     let subsystem_vendor_id = result as u16;  in pci_read_general_device_header()
826     let subsystem_id = (result >> 16) as u16;  in pci_read_general_device_header()
833     let reserved1 = (result >> 16) as u16;  in pci_read_general_device_header()
884     let secondary_status = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
887     let memory_base = result as u16;  in pci_read_pci_to_pci_bridge_header()
888     let memory_limit = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
891     let prefetchable_memory_base = result as u16;  in pci_read_pci_to_pci_bridge_header()
892     let prefetchable_memory_limit = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
898     let io_base_upper_16_bits = result as u16;  in pci_read_pci_to_pci_bridge_header()
899     let io_limit_upper_16_bits = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
904     let reserved1 = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
911     let bridge_control = (result >> 16) as u16;  in pci_read_pci_to_pci_bridge_header()
957     let secondary_status = (result >> 16) as u16;  in pci_read_pci_to_cardbus_bridge_header()
977     let bridge_control = (result >> 16) as u16;  in pci_read_pci_to_cardbus_bridge_header()
980     let subsystem_device_id = result as u16;  in pci_read_pci_to_cardbus_bridge_header()
981     let subsystem_vendor_id = (result >> 16) as u16;  in pci_read_pci_to_cardbus_bridge_header()
1493     pub private_header: u16,
1513         let private_header = (capability_header >> 16) as u16;  in next()
1537     pub offset: u16,
1539     pub id: u16,
1550     pub next_capability_offset: Option<u16>,
1559         let id = capability_header as u16;  in next()
1560         let next_offset = (capability_header >> 20) as u16;  in next()