1 /* Functions internal to the PCI core code */ 2 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); 7 8 /* Firmware callbacks */ 9 extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, 10 pm_message_t state); 11 extern int (*platform_pci_set_power_state)(struct pci_dev *dev, 12 pci_power_t state); 13 14 extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); 15 extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); 16 extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); 17 extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); 18 extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); 19 extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); 20 21 /* PCI /proc functions */ 22 #ifdef CONFIG_PROC_FS 23 extern int pci_proc_attach_device(struct pci_dev *dev); 24 extern int pci_proc_detach_device(struct pci_dev *dev); 25 extern int pci_proc_detach_bus(struct pci_bus *bus); 26 #else 27 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } 28 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; } 29 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } 30 #endif 31 32 /* Functions for PCI Hotplug drivers to use */ 33 extern unsigned int pci_do_scan_bus(struct pci_bus *bus); 34 35 extern void pci_remove_legacy_files(struct pci_bus *bus); 36 37 /* Lock for read/write access to pci device and bus lists */ 38 extern struct rw_semaphore pci_bus_sem; 39 40 extern unsigned int pci_pm_d3_delay; 41 42 #ifdef CONFIG_PCI_MSI 43 void pci_no_msi(void); 44 extern void pci_msi_init_pci_dev(struct pci_dev *dev); 45 #else 46 static inline void pci_no_msi(void) { } 47 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } 48 #endif 49 50 #ifdef CONFIG_PCIEAER 51 void pci_no_aer(void); 52 #else 53 static inline void pci_no_aer(void) { } 54 #endif 55 56 static inline int pci_no_d1d2(struct pci_dev *dev) 57 { 58 unsigned int parent_dstates = 0; 59 60 if (dev->bus->self) 61 parent_dstates = dev->bus->self->no_d1d2; 62 return (dev->no_d1d2 || parent_dstates); 63 64 } 65 extern int pcie_mch_quirk; 66 extern struct device_attribute pci_dev_attrs[]; 67 extern struct device_attribute dev_attr_cpuaffinity; 68 69 /** 70 * pci_match_one_device - Tell if a PCI device structure has a matching 71 * PCI device id structure 72 * @id: single PCI device id structure to match 73 * @dev: the PCI device structure to match against 74 * 75 * Returns the matching pci_device_id structure or %NULL if there is no match. 76 */ 77 static inline const struct pci_device_id * 78 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) 79 { 80 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && 81 (id->device == PCI_ANY_ID || id->device == dev->device) && 82 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && 83 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && 84 !((id->class ^ dev->class) & id->class_mask)) 85 return id; 86 return NULL; 87 } 88 89 struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); 90