112     class_code: u8,  in get_pci_device_structure_mut()
118         if (common_header.class_code == class_code) && (common_header.subclass == subclass) {  in get_pci_device_structure_mut()
131     class_code: u8,  in get_pci_device_structure()
137         if (common_header.class_code == class_code) && (common_header.subclass == subclass) {  in get_pci_device_structure()
388     pub class_code: u8, // 类代码，一个只读寄存器，指定设备执行的功能类型  field
754     let class_code = (result >> 24) as u8;  in pci_read_header()  localVariable
773         class_code,  in pci_read_header()
1044     if (common_header.class_code == 0x06)  in pci_check_function()
1138 …ap_pointer={:#x}  vendor={:#x}, device id={:#x},bdf={}", common_header.class_code, common_header.s…  in pci_init()
1143                     common_header.class_code,  in pci_init()
1149 …ss code ={} subclass={} status={:#x} cap_pointer={:#x}", common_header.class_code, common_header.s…  in pci_init()
1154                     common_header.class_code,  in pci_init()
1162                     common_header.class_code,  in pci_init()