1 /* Functions internal to the PCI core code */
3 extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
4 extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
5 extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
6 extern void pci_cleanup_rom(struct pci_dev *dev);
8 /* Firmware callbacks */
9 extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
10 extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
12 extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
13 extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
14 extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
15 extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
16 extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
17 extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
19 /* PCI /proc functions */
21 extern int pci_proc_attach_device(struct pci_dev *dev);
22 extern int pci_proc_detach_device(struct pci_dev *dev);
23 extern int pci_proc_detach_bus(struct pci_bus *bus);
25 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
26 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
27 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
30 /* Functions for PCI Hotplug drivers to use */
31 extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
33 extern void pci_remove_legacy_files(struct pci_bus *bus);
35 /* Lock for read/write access to pci device and bus lists */
36 extern struct rw_semaphore pci_bus_sem;
38 extern unsigned int pci_pm_d3_delay;
41 void pci_no_msi(void);
42 extern void pci_msi_init_pci_dev(struct pci_dev *dev);
44 static inline void pci_no_msi(void) { }
45 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
48 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
49 void pci_restore_msi_state(struct pci_dev *dev);
51 static inline void pci_restore_msi_state(struct pci_dev *dev) {}
55 void pci_no_aer(void);
57 static inline void pci_no_aer(void) { }
60 static inline int pci_no_d1d2(struct pci_dev *dev)
62 unsigned int parent_dstates = 0;
65 parent_dstates = dev->bus->self->no_d1d2;
66 return (dev->no_d1d2 || parent_dstates);
69 extern int pcie_mch_quirk;
70 extern struct device_attribute pci_dev_attrs[];
71 extern struct class_device_attribute class_device_attr_cpuaffinity;
74 * pci_match_one_device - Tell if a PCI device structure has a matching
75 * PCI device id structure
76 * @id: single PCI device id structure to match
77 * @dev: the PCI device structure to match against
79 * Returns the matching pci_device_id structure or %NULL if there is no match.
81 static inline const struct pci_device_id *
82 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
84 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
85 (id->device == PCI_ANY_ID || id->device == dev->device) &&
86 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
87 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
88 !((id->class ^ dev->class) & id->class_mask))
93 struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);