57 	struct pci_bus		*bus;		/* Bus this slot is on */
288 	struct pci_bus	*bus;		/* Bus this device is on */
289 	struct pci_bus	*subordinate;	/* Bus this device bridges to */
458 struct pci_dev *pci_alloc_dev(struct pci_bus *bus);
470 	struct pci_bus	*bus;		/* Root bus */
512 struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
543 struct pci_bus {  struct
545 	struct pci_bus	*parent;	/* Parent bus this bridge is on */  argument
579 #define to_pci_bus(n)	container_of(n, struct pci_bus, dev)  argument
589 static inline bool pci_is_root_bus(struct pci_bus *pbus)  in pci_is_root_bus()
668 	int (*add_bus)(struct pci_bus *bus);
669 	void (*remove_bus)(struct pci_bus *bus);
670 	void __iomem *(*map_bus)(struct pci_bus *bus, unsigned int devfn, int where);
671 	int (*read)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val);
672 	int (*write)(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val);
862 void pcie_bus_configure_settings(struct pci_bus *bus);
882 void pcibios_resource_survey_bus(struct pci_bus *bus);
884 void pcibios_add_bus(struct pci_bus *bus);
885 void pcibios_remove_bus(struct pci_bus *bus);
886 void pcibios_fixup_bus(struct pci_bus *);
897 void pci_fixup_cardbus(struct pci_bus *);
901 void pcibios_resource_to_bus(struct pci_bus *bus, struct pci_bus_region *region,
903 void pcibios_bus_to_resource(struct pci_bus *bus, struct resource *res,
906 struct pci_bus *pci_find_bus(int domain, int busnr);
907 void pci_bus_add_devices(const struct pci_bus *bus);
908 struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
909 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
913 int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax);
914 int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax);
915 void pci_bus_release_busn_res(struct pci_bus *b);
916 struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
920 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
922 void pcie_update_link_speed(struct pci_bus *bus, u16 link_status);
923 struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
932 int pci_scan_slot(struct pci_bus *bus, int devfn);
933 struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
934 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
935 unsigned int pci_scan_child_bus(struct pci_bus *bus);
937 void pci_read_bridge_bases(struct pci_bus *child);
946 void pci_remove_bus(struct pci_bus *b);
949 void pci_stop_root_bus(struct pci_bus *bus);
950 void pci_remove_root_bus(struct pci_bus *bus);
951 void pci_setup_cardbus(struct pci_bus *bus);
952 void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type);
972 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
979 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
985 int pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
987 int pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
989 int pci_bus_read_config_dword(struct pci_bus *bus, unsigned int devfn,
991 int pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
993 int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
995 int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
998 int pci_generic_config_read(struct pci_bus *bus, unsigned int devfn,
1000 int pci_generic_config_write(struct pci_bus *bus, unsigned int devfn,
1002 int pci_generic_config_read32(struct pci_bus *bus, unsigned int devfn,
1004 int pci_generic_config_write32(struct pci_bus *bus, unsigned int devfn,
1007 struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops);
1119 int pci_probe_reset_bus(struct pci_bus *bus);
1169 void pci_pme_wakeup_bus(struct pci_bus *bus);
1173 void pci_wakeup_bus(struct pci_bus *bus);
1174 void pci_bus_set_current_state(struct pci_bus *bus, pci_power_t state);
1186 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
1188 unsigned int pci_rescan_bus(struct pci_bus *bus);
1199 void pci_bus_assign_resources(const struct pci_bus *bus);
1200 void pci_bus_claim_resources(struct pci_bus *bus);
1201 void pci_bus_size_bridges(struct pci_bus *bus);
1206 void pci_assign_unassigned_bus_resources(struct pci_bus *bus);
1207 void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus);
1225 struct pci_bus *pci_bus_get(struct pci_bus *bus);
1226 void pci_bus_put(struct pci_bus *bus);
1231 void pci_bus_add_resource(struct pci_bus *bus, struct resource *res,
1233 struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n);
1234 void pci_bus_remove_resources(struct pci_bus *bus);
1246 int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
1319 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
1322 void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
1325 unsigned char pci_bus_max_busnr(struct pci_bus *bus);
1326 void pci_setup_bridge(struct pci_bus *bus);
1327 resource_size_t pcibios_window_alignment(struct pci_bus *bus,
1540 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }  in pci_domain_nr()
1541 static inline int pci_proc_domain(struct pci_bus *bus) { return 0; }  in pci_proc_domain()
1550 static inline int pci_domain_nr(struct pci_bus *bus)  in pci_domain_nr()
1555 int acpi_pci_bus_find_domain_nr(struct pci_bus *bus);
1557 static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)  in acpi_pci_bus_find_domain_nr()
1560 int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
1685 static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from)  in pci_find_next_bus()
1687 static inline struct pci_dev *pci_get_slot(struct pci_bus *bus,  in pci_get_slot()
1694 static inline int pci_domain_nr(struct pci_bus *bus) { return 0; }  in pci_domain_nr()
2214 void pci_set_bus_of_node(struct pci_bus *bus);
2215 void pci_release_bus_of_node(struct pci_bus *bus);
2216 struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
2222 struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
2227 static inline void pci_set_bus_of_node(struct pci_bus *bus) { }  in pci_set_bus_of_node()
2228 static inline void pci_release_bus_of_node(struct pci_bus *bus) { }  in pci_release_bus_of_node()
2230 pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }  in pci_host_bridge_of_msi_domain()
2245 static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)  in pci_bus_to_OF_node()
2251 struct irq_domain *pci_host_bridge_acpi_msi_domain(struct pci_bus *bus);
2257 pci_host_bridge_acpi_msi_domain(struct pci_bus *bus) { return NULL; }  in pci_host_bridge_acpi_msi_domain()
2293 static inline bool pci_ari_enabled(struct pci_bus *bus)  in pci_ari_enabled()