pci.h 2.8 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. /* PCI /proc functions */
  14. #ifdef CONFIG_PROC_FS
  15. extern int pci_proc_attach_device(struct pci_dev *dev);
  16. extern int pci_proc_detach_device(struct pci_dev *dev);
  17. extern int pci_proc_attach_bus(struct pci_bus *bus);
  18. extern int pci_proc_detach_bus(struct pci_bus *bus);
  19. #else
  20. static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
  21. static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
  22. static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
  23. static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
  24. #endif
  25. /* Functions for PCI Hotplug drivers to use */
  26. extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
  27. extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
  28. extern int pci_remove_device_safe(struct pci_dev *dev);
  29. extern unsigned char pci_max_busnr(void);
  30. extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
  31. extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
  32. extern void pci_remove_legacy_files(struct pci_bus *bus);
  33. /* Lock for read/write access to pci device and bus lists */
  34. extern spinlock_t pci_bus_lock;
  35. #ifdef CONFIG_X86_IO_APIC
  36. extern int pci_msi_quirk;
  37. #else
  38. #define pci_msi_quirk 0
  39. #endif
  40. extern int pcie_mch_quirk;
  41. extern struct device_attribute pci_dev_attrs[];
  42. extern struct class_device_attribute class_device_attr_cpuaffinity;
  43. /**
  44. * pci_match_one_device - Tell if a PCI device structure has a matching
  45. * PCI device id structure
  46. * @id: single PCI device id structure to match
  47. * @dev: the PCI device structure to match against
  48. *
  49. * Returns the matching pci_device_id structure or %NULL if there is no match.
  50. */
  51. static inline const struct pci_device_id *
  52. pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
  53. {
  54. if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
  55. (id->device == PCI_ANY_ID || id->device == dev->device) &&
  56. (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
  57. (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
  58. !((id->class ^ dev->class) & id->class_mask))
  59. return id;
  60. return NULL;
  61. }