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 /* PCI /proc functions */ 15 #ifdef CONFIG_PROC_FS 16 extern int pci_proc_attach_device(struct pci_dev *dev); 17 extern int pci_proc_detach_device(struct pci_dev *dev); 18 extern int pci_proc_attach_bus(struct pci_bus *bus); 19 extern int pci_proc_detach_bus(struct pci_bus *bus); 20 #else 21 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } 22 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; } 23 static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; } 24 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } 25 #endif 26 27 /* Functions for PCI Hotplug drivers to use */ 28 extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); 29 extern unsigned int pci_do_scan_bus(struct pci_bus *bus); 30 extern int pci_remove_device_safe(struct pci_dev *dev); 31 extern unsigned char pci_max_busnr(void); 32 extern unsigned char pci_bus_max_busnr(struct pci_bus *bus); 33 extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); 34 35 struct pci_dev_wrapped { 36 struct pci_dev *dev; 37 void *data; 38 }; 39 40 struct pci_bus_wrapped { 41 struct pci_bus *bus; 42 void *data; 43 }; 44 45 struct pci_visit { 46 int (* pre_visit_pci_bus) (struct pci_bus_wrapped *, 47 struct pci_dev_wrapped *); 48 int (* post_visit_pci_bus) (struct pci_bus_wrapped *, 49 struct pci_dev_wrapped *); 50 51 int (* pre_visit_pci_dev) (struct pci_dev_wrapped *, 52 struct pci_bus_wrapped *); 53 int (* visit_pci_dev) (struct pci_dev_wrapped *, 54 struct pci_bus_wrapped *); 55 int (* post_visit_pci_dev) (struct pci_dev_wrapped *, 56 struct pci_bus_wrapped *); 57 }; 58 59 extern int pci_visit_dev(struct pci_visit *fn, 60 struct pci_dev_wrapped *wrapped_dev, 61 struct pci_bus_wrapped *wrapped_parent); 62 extern void pci_remove_legacy_files(struct pci_bus *bus); 63 64 /* Lock for read/write access to pci device and bus lists */ 65 extern spinlock_t pci_bus_lock; 66 67 #ifdef CONFIG_X86_IO_APIC 68 extern int pci_msi_quirk; 69 #else 70 #define pci_msi_quirk 0 71 #endif 72 73 extern int pcie_mch_quirk; 74 extern struct device_attribute pci_dev_attrs[]; 75 extern struct class_device_attribute class_device_attr_cpuaffinity; 76 77 /** 78 * pci_match_one_device - Tell if a PCI device structure has a matching 79 * PCI device id structure 80 * @id: single PCI device id structure to match 81 * @dev: the PCI device structure to match against 82 * 83 * Returns the matching pci_device_id structure or %NULL if there is no match. 84 */ 85 static inline const struct pci_device_id * 86 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) 87 { 88 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && 89 (id->device == PCI_ANY_ID || id->device == dev->device) && 90 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && 91 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && 92 !((id->class ^ dev->class) & id->class_mask)) 93 return id; 94 return NULL; 95 } 96 97