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 /* 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