76 	struct pci_bus		*bus;		/* Bus this slot is on */
323 	struct pci_bus	*bus;		/* Bus this device is on */
324 	struct pci_bus	*subordinate;	/* Bus this device bridges to */
537 struct pci_dev *pci_alloc_dev(struct pci_bus *bus);
559 	struct pci_bus	*bus;		/* Root bus */
608 struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
639 struct pci_bus {  struct
641 	struct pci_bus	*parent;	/* Parent bus this bridge is on */  argument
675 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)  argument
690 static inline bool pci_is_root_bus(struct pci_bus *pbus)  in pci_is_root_bus()
766 	int (*add_bus)(struct pci_bus *bus);
767 	void (*remove_bus)(struct pci_bus *bus);
768 	void __iomem *(*map_bus)(struct pci_bus *bus, unsigned int devfn, int where);
769 	int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
770 	int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
1056 void pcie_bus_configure_settings(struct pci_bus *bus);
1076 void pcibios_resource_survey_bus(struct pci_bus *bus);
1078 void pcibios_add_bus(struct pci_bus *bus);
1079 void pcibios_remove_bus(struct pci_bus *bus);
1080 void pcibios_fixup_bus(struct pci_bus *);
1091 void pci_fixup_cardbus(struct pci_bus *);
1095 void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,
1097 void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
1100 struct pci_bus *pci_find_bus(int domain, int busnr);
1101 void pci_bus_add_devices(const struct pci_bus *bus);
1102 struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
1103 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
1107 int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
1108 int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
1109 void pci_bus_release_busn_res(struct pci_bus *b);
1110 struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
1114 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
1116 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
1125 int pci_scan_slot(struct pci_bus *bus, int devfn);
1126 struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
1127 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
1128 unsigned int pci_scan_child_bus(struct pci_bus *bus);
1130 void pci_read_bridge_bases(struct pci_bus *child);
1138 void pci_remove_bus(struct pci_bus *b);
1141 void pci_stop_root_bus(struct pci_bus *bus);
1142 void pci_remove_root_bus(struct pci_bus *bus);
1143 void pci_setup_cardbus(struct pci_bus *bus);
1144 void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type);
1151 u8 pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
1158 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
1169 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
1175 int pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
1177 int pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
1179 int pci_bus_read_config_dword(struct pci_bus *bus, unsigned int devfn,
1181 int pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
1183 int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
1185 int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
1188 int pci_generic_config_read(struct pci_bus *bus, unsigned int devfn,
1190 int pci_generic_config_write(struct pci_bus *bus, unsigned int devfn,
1192 int pci_generic_config_read32(struct pci_bus *bus, unsigned int devfn,
1194 int pci_generic_config_write32(struct pci_bus *bus, unsigned int devfn,
1197 struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops);
1309 int pci_probe_reset_bus(struct pci_bus *bus);
1365 void pci_resume_bus(struct pci_bus *bus);
1366 void pci_bus_set_current_state(struct pci_bus *bus, pci_power_t state);
1374 unsigned int pci_rescan_bus(struct pci_bus *bus);
1386 void pci_bus_assign_resources(const struct pci_bus *bus);
1387 void pci_bus_claim_resources(struct pci_bus *bus);
1388 void pci_bus_size_bridges(struct pci_bus *bus);
1393 void pci_assign_unassigned_bus_resources(struct pci_bus *bus);
1394 void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus);
1415 void pci_bus_add_resource(struct pci_bus *bus, struct resource *res,
1417 struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n);
1418 void pci_bus_remove_resources(struct pci_bus *bus);
1430 int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
1503 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
1506 void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
1509 unsigned char pci_bus_max_busnr(struct pci_bus *bus);
1510 void pci_setup_bridge(struct pci_bus *bus);
1511 resource_size_t pcibios_window_alignment(struct pci_bus *bus,
1708 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }  in pci_domain_nr()
1709 static inline int pci_proc_domain(struct pci_bus *bus) { return 0; }  in pci_proc_domain()
1718 static inline int pci_domain_nr(struct pci_bus *bus)  in pci_domain_nr()
1723 int acpi_pci_bus_find_domain_nr(struct pci_bus *bus);
1725 static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)  in acpi_pci_bus_find_domain_nr()
1728 int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
1860 static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)  in pci_find_next_bus()
1862 static inline struct pci_dev *pci_get_slot(struct pci_bus *bus,  in pci_get_slot()
1869 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }  in pci_domain_nr()
2378 struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
2382 struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
2386 pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }  in pci_host_bridge_of_msi_domain()
2396 static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)  in pci_bus_to_OF_node()
2402 struct irq_domain *pci_host_bridge_acpi_msi_domain(struct pci_bus *bus);
2409 pci_host_bridge_acpi_msi_domain(struct pci_bus *bus) { return NULL; }  in pci_host_bridge_acpi_msi_domain()
2446 static inline bool pci_ari_enabled(struct pci_bus *bus)  in pci_ari_enabled()