1 /* Functions internal to the PCI core code */ 2 3 extern int pci_uevent(struct device *dev, char **envp, int num_envp, 4 char *buffer, int buffer_size); 5 extern int pci_create_sysfs_dev_files(struct pci_dev *pdev); 6 extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev); 7 extern void pci_cleanup_rom(struct pci_dev *dev); 8 extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res, 9 resource_size_t size, resource_size_t align, 10 resource_size_t min, unsigned int type_mask, 11 void (*alignf)(void *, struct resource *, 12 resource_size_t, resource_size_t), 13 void *alignf_data); 14 /* Firmware callbacks */ 15 extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state); 16 extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state); 17 18 extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); 19 extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); 20 extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); 21 extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); 22 extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); 23 extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); 24 25 /* PCI /proc functions */ 26 #ifdef CONFIG_PROC_FS 27 extern int pci_proc_attach_device(struct pci_dev *dev); 28 extern int pci_proc_detach_device(struct pci_dev *dev); 29 extern int pci_proc_detach_bus(struct pci_bus *bus); 30 #else 31 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } 32 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; } 33 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } 34 #endif 35 36 /* Functions for PCI Hotplug drivers to use */ 37 extern unsigned int pci_do_scan_bus(struct pci_bus *bus); 38 extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); 39 40 extern void pci_remove_legacy_files(struct pci_bus *bus); 41 42 /* Lock for read/write access to pci device and bus lists */ 43 extern struct rw_semaphore pci_bus_sem; 44 45 extern unsigned int pci_pm_d3_delay; 46 47 #ifdef CONFIG_PCI_MSI 48 void pci_no_msi(void); 49 extern void pci_msi_init_pci_dev(struct pci_dev *dev); 50 #else 51 static inline void pci_no_msi(void) { } 52 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } 53 #endif 54 55 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM) 56 void pci_restore_msi_state(struct pci_dev *dev); 57 #else 58 static inline void pci_restore_msi_state(struct pci_dev *dev) {} 59 #endif 60 61 static inline int pci_no_d1d2(struct pci_dev *dev) 62 { 63 unsigned int parent_dstates = 0; 64 65 if (dev->bus->self) 66 parent_dstates = dev->bus->self->no_d1d2; 67 return (dev->no_d1d2 || parent_dstates); 68 69 } 70 extern int pcie_mch_quirk; 71 extern struct device_attribute pci_dev_attrs[]; 72 extern struct class_device_attribute class_device_attr_cpuaffinity; 73 74 /** 75 * pci_match_one_device - Tell if a PCI device structure has a matching 76 * PCI device id structure 77 * @id: single PCI device id structure to match 78 * @dev: the PCI device structure to match against 79 * 80 * Returns the matching pci_device_id structure or %NULL if there is no match. 81 */ 82 static inline const struct pci_device_id * 83 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) 84 { 85 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && 86 (id->device == PCI_ANY_ID || id->device == dev->device) && 87 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && 88 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && 89 !((id->class ^ dev->class) & id->class_mask)) 90 return id; 91 return NULL; 92 } 93 94