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, pm_message_t state); 10 extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state); 11 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); 18 19 /* PCI /proc functions */ 20 #ifdef CONFIG_PROC_FS 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); 24 #else 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; } 28 #endif 29 30 /* Functions for PCI Hotplug drivers to use */ 31 extern unsigned int pci_do_scan_bus(struct pci_bus *bus); 32 33 extern void pci_remove_legacy_files(struct pci_bus *bus); 34 35 /* Lock for read/write access to pci device and bus lists */ 36 extern struct rw_semaphore pci_bus_sem; 37 38 extern unsigned int pci_pm_d3_delay; 39 40 #ifdef CONFIG_PCI_MSI 41 void pci_no_msi(void); 42 extern void pci_msi_init_pci_dev(struct pci_dev *dev); 43 #else 44 static inline void pci_no_msi(void) { } 45 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } 46 #endif 47 48 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM) 49 void pci_restore_msi_state(struct pci_dev *dev); 50 #else 51 static inline void pci_restore_msi_state(struct pci_dev *dev) {} 52 #endif 53 54 #ifdef CONFIG_PCIEAER 55 void pci_no_aer(void); 56 #else 57 static inline void pci_no_aer(void) { } 58 #endif 59 60 static inline int pci_no_d1d2(struct pci_dev *dev) 61 { 62 unsigned int parent_dstates = 0; 63 64 if (dev->bus->self) 65 parent_dstates = dev->bus->self->no_d1d2; 66 return (dev->no_d1d2 || parent_dstates); 67 68 } 69 extern int pcie_mch_quirk; 70 extern struct device_attribute pci_dev_attrs[]; 71 extern struct class_device_attribute class_device_attr_cpuaffinity; 72 73 /** 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 78 * 79 * Returns the matching pci_device_id structure or %NULL if there is no match. 80 */ 81 static inline const struct pci_device_id * 82 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) 83 { 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)) 89 return id; 90 return NULL; 91 } 92 93