pci.h 2.9 KB

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  1. /* Functions internal to the PCI core code */
  2. extern int pci_hotplug (struct device *dev, char **envp, int num_envp,
  3. char *buffer, int buffer_size);
  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. extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
  8. unsigned long size, unsigned long align,
  9. unsigned long min, unsigned int type_mask,
  10. void (*alignf)(void *, struct resource *,
  11. unsigned long, unsigned long),
  12. void *alignf_data);
  13. /* Firmware callbacks */
  14. extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
  15. /* PCI /proc functions */
  16. #ifdef CONFIG_PROC_FS
  17. extern int pci_proc_attach_device(struct pci_dev *dev);
  18. extern int pci_proc_detach_device(struct pci_dev *dev);
  19. extern int pci_proc_attach_bus(struct pci_bus *bus);
  20. extern int pci_proc_detach_bus(struct pci_bus *bus);
  21. #else
  22. static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
  23. static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
  24. static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
  25. static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
  26. #endif
  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. extern void pci_remove_legacy_files(struct pci_bus *bus);
  35. /* Lock for read/write access to pci device and bus lists */
  36. extern spinlock_t pci_bus_lock;
  37. #ifdef CONFIG_X86_IO_APIC
  38. extern int pci_msi_quirk;
  39. #else
  40. #define pci_msi_quirk 0
  41. #endif
  42. extern int pcie_mch_quirk;
  43. extern struct device_attribute pci_dev_attrs[];
  44. extern struct class_device_attribute class_device_attr_cpuaffinity;
  45. /**
  46. * pci_match_one_device - Tell if a PCI device structure has a matching
  47. * PCI device id structure
  48. * @id: single PCI device id structure to match
  49. * @dev: the PCI device structure to match against
  50. *
  51. * Returns the matching pci_device_id structure or %NULL if there is no match.
  52. */
  53. static inline const struct pci_device_id *
  54. pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
  55. {
  56. if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
  57. (id->device == PCI_ANY_ID || id->device == dev->device) &&
  58. (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
  59. (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
  60. !((id->class ^ dev->class) & id->class_mask))
  61. return id;
  62. return NULL;
  63. }