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/* Functions internal to the PCI core code */
 
extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
extern void pci_cleanup_rom(struct pci_dev *dev);
 
/* Firmware callbacks */
extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
 
extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
 
/* PCI /proc functions */
#ifdef CONFIG_PROC_FS
extern int pci_proc_attach_device(struct pci_dev *dev);
extern int pci_proc_detach_device(struct pci_dev *dev);
extern int pci_proc_detach_bus(struct pci_bus *bus);
#else
static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
#endif
 
/* Functions for PCI Hotplug drivers to use */
extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
 
extern void pci_remove_legacy_files(struct pci_bus *bus);
 
/* Lock for read/write access to pci device and bus lists */
extern struct rw_semaphore pci_bus_sem;
 
extern unsigned int pci_pm_d3_delay;
 
#ifdef CONFIG_PCI_MSI
void pci_no_msi(void);
extern void pci_msi_init_pci_dev(struct pci_dev *dev);
#else
static inline void pci_no_msi(void) { }
static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
#endif
 
#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
void pci_restore_msi_state(struct pci_dev *dev);
#else
static inline void pci_restore_msi_state(struct pci_dev *dev) {}
#endif
 
#ifdef CONFIG_PCIEAER
void pci_no_aer(void);
#else
static inline void pci_no_aer(void) { }
#endif
 
static inline int pci_no_d1d2(struct pci_dev *dev)
{
	unsigned int parent_dstates = 0;
 
	if (dev->bus->self)
		parent_dstates = dev->bus->self->no_d1d2;
	return (dev->no_d1d2 || parent_dstates);
 
}
extern int pcie_mch_quirk;
extern struct device_attribute pci_dev_attrs[];
extern struct class_device_attribute class_device_attr_cpuaffinity;
 
/**
 * pci_match_one_device - Tell if a PCI device structure has a matching
 *                        PCI device id structure
 * @id: single PCI device id structure to match
 * @dev: the PCI device structure to match against
 * 
 * Returns the matching pci_device_id structure or %NULL if there is no match.
 */
static inline const struct pci_device_id *
pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
{
	if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
	    (id->device == PCI_ANY_ID || id->device == dev->device) &&
	    (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
	    (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
	    !((id->class ^ dev->class) & id->class_mask))
		return id;
	return NULL;
}
 
struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);