1 /* Functions internal to the PCI core code */ 2 3 extern int pci_hotplug (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 unsigned long size, unsigned long align, 10 unsigned long min, unsigned int type_mask, 11 void (*alignf)(void *, struct resource *, 12 unsigned long, unsigned long), 13 void *alignf_data); 14 /* Firmware callbacks */ 15 extern int (*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 /* PCI /proc functions */ 19 #ifdef CONFIG_PROC_FS 20 extern int pci_proc_attach_device(struct pci_dev *dev); 21 extern int pci_proc_detach_device(struct pci_dev *dev); 22 extern int pci_proc_attach_bus(struct pci_bus *bus); 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_attach_bus(struct pci_bus *bus) { return 0; } 28 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } 29 #endif 30 31 /* Functions for PCI Hotplug drivers to use */ 32 extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); 33 extern unsigned int pci_do_scan_bus(struct pci_bus *bus); 34 extern int pci_remove_device_safe(struct pci_dev *dev); 35 extern unsigned char pci_max_busnr(void); 36 extern unsigned char pci_bus_max_busnr(struct pci_bus *bus); 37 extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); 38 39 extern void pci_remove_legacy_files(struct pci_bus *bus); 40 41 /* Lock for read/write access to pci device and bus lists */ 42 extern spinlock_t pci_bus_lock; 43 44 #ifdef CONFIG_X86_IO_APIC 45 extern int pci_msi_quirk; 46 #else 47 #define pci_msi_quirk 0 48 #endif 49 50 #ifdef CONFIG_PCI_MSI 51 void disable_msi_mode(struct pci_dev *dev, int pos, int type); 52 #else 53 static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { } 54 #endif 55 56 extern int pcie_mch_quirk; 57 extern struct device_attribute pci_dev_attrs[]; 58 extern struct class_device_attribute class_device_attr_cpuaffinity; 59 60 /** 61 * pci_match_one_device - Tell if a PCI device structure has a matching 62 * PCI device id structure 63 * @id: single PCI device id structure to match 64 * @dev: the PCI device structure to match against 65 * 66 * Returns the matching pci_device_id structure or %NULL if there is no match. 67 */ 68 static inline const struct pci_device_id * 69 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) 70 { 71 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && 72 (id->device == PCI_ANY_ID || id->device == dev->device) && 73 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && 74 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && 75 !((id->class ^ dev->class) & id->class_mask)) 76 return id; 77 return NULL; 78 } 79 80