drivers/pci/pci.h

   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 extern void pci_remove_legacy_files(struct pci_bus *bus);
  36
  37 /* Lock for read/write access to pci device and bus lists */
  38 extern spinlock_t pci_bus_lock;
  39
  40 #ifdef CONFIG_X86_IO_APIC
  41 extern int pci_msi_quirk;
  42 #else
  43 #define pci_msi_quirk 0
  44 #endif
  45
  46 extern int pcie_mch_quirk;
  47 extern struct device_attribute pci_dev_attrs[];
  48 extern struct class_device_attribute class_device_attr_cpuaffinity;
  49
  50 /**
  51  * pci_match_one_device - Tell if a PCI device structure has a matching
  52  *                        PCI device id structure
  53  * @id: single PCI device id structure to match
  54  * @dev: the PCI device structure to match against
  55  *
  56  * Returns the matching pci_device_id structure or %NULL if there is no match.
  57  */
  58 static inline const struct pci_device_id *
  59 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
  60 {
  61         if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
  62             (id->device == PCI_ANY_ID || id->device == dev->device) &&
  63             (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
  64             (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
  65             !((id->class ^ dev->class) & id->class_mask))
  66                 return id;
  67         return NULL;
  68 }
  69