LXR linux/drivers/pci/pci.h

   1/* Functions internal to the PCI core code */
   2
   3extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
   4extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
   5extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
   6extern void pci_cleanup_rom(struct pci_dev *dev);
   7
   8/* Firmware callbacks */
   9extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
  10extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
  11
  12extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
  13extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
  14extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
  15extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
  16extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
  17extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
  18
  19/* PCI /proc functions */
  20#ifdef CONFIG_PROC_FS
  21extern int pci_proc_attach_device(struct pci_dev *dev);
  22extern int pci_proc_detach_device(struct pci_dev *dev);
  23extern int pci_proc_detach_bus(struct pci_bus *bus);
  24#else
  25static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
  26static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
  27static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
  28#endif
  29
  30/* Functions for PCI Hotplug drivers to use */
  31extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
  32
  33extern void pci_remove_legacy_files(struct pci_bus *bus);
  34
  35/* Lock for read/write access to pci device and bus lists */
  36extern struct rw_semaphore pci_bus_sem;
  37
  38extern unsigned int pci_pm_d3_delay;
  39
  40#ifdef CONFIG_PCI_MSI
  41void pci_no_msi(void);
  42extern void pci_msi_init_pci_dev(struct pci_dev *dev);
  43#else
  44static inline void pci_no_msi(void) { }
  45static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
  46#endif
  47
  48#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
  49void pci_restore_msi_state(struct pci_dev *dev);
  50#else
  51static inline void pci_restore_msi_state(struct pci_dev *dev) {}
  52#endif
  53
  54#ifdef CONFIG_PCIEAER
  55void pci_no_aer(void);
  56#else
  57static inline void pci_no_aer(void) { }
  58#endif
  59
  60static inline int pci_no_d1d2(struct pci_dev *dev)
  61{
  62        unsigned int parent_dstates = 0;
  63
  64        if (dev->bus->self)
  65                parent_dstates = dev->bus->self->no_d1d2;
  66        return (dev->no_d1d2 || parent_dstates);
  67
  68}
  69extern int pcie_mch_quirk;
  70extern struct device_attribute pci_dev_attrs[];
  71extern struct class_device_attribute class_device_attr_cpuaffinity;
  72
  73/**
  74 * pci_match_one_device - Tell if a PCI device structure has a matching
  75 *                        PCI device id structure
  76 * @id: single PCI device id structure to match
  77 * @dev: the PCI device structure to match against
  78 * 
  79 * Returns the matching pci_device_id structure or %NULL if there is no match.
  80 */
  81static inline const struct pci_device_id *
  82pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
  83{
  84        if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
  85            (id->device == PCI_ANY_ID || id->device == dev->device) &&
  86            (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
  87            (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
  88            !((id->class ^ dev->class) & id->class_mask))
  89                return id;
  90        return NULL;
  91}
  92
  93struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);
  94