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/* Functions internal to the PCI core code */
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extern int pci_hotplug (struct device *dev, char **envp, int num_envp,
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char *buffer, int buffer_size);
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extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
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extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
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extern void pci_cleanup_rom(struct pci_dev *dev);
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extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
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unsigned long size, unsigned long align,
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unsigned long min, unsigned int type_mask,
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void (*alignf)(void *, struct resource *,
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unsigned long, unsigned long),
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void *alignf_data);
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/* Firmware callbacks */
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extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
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extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
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extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
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extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
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extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
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extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
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extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
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extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
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/* PCI /proc functions */
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#ifdef CONFIG_PROC_FS
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extern int pci_proc_attach_device(struct pci_dev *dev);
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extern int pci_proc_detach_device(struct pci_dev *dev);
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extern int pci_proc_attach_bus(struct pci_bus *bus);
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extern int pci_proc_detach_bus(struct pci_bus *bus);
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#else
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static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
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static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
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static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
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static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
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#endif
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/* Functions for PCI Hotplug drivers to use */
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extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
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extern int pci_remove_device_safe(struct pci_dev *dev);
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extern unsigned char pci_max_busnr(void);
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extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
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extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
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extern void pci_remove_legacy_files(struct pci_bus *bus);
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/* Lock for read/write access to pci device and bus lists */
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extern spinlock_t pci_bus_lock;
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#ifdef CONFIG_X86_IO_APIC
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extern int pci_msi_quirk;
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#else
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#define pci_msi_quirk 0
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#endif
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#ifdef CONFIG_PCI_MSI
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void disable_msi_mode(struct pci_dev *dev, int pos, int type);
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#else
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static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
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#endif
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extern int pcie_mch_quirk;
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extern struct device_attribute pci_dev_attrs[];
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extern struct class_device_attribute class_device_attr_cpuaffinity;
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/**
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* pci_match_one_device - Tell if a PCI device structure has a matching
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* PCI device id structure
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* @id: single PCI device id structure to match
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* @dev: the PCI device structure to match against
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*
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* Returns the matching pci_device_id structure or %NULL if there is no match.
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*/
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static inline const struct pci_device_id *
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pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
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{
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if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
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(id->device == PCI_ANY_ID || id->device == dev->device) &&
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(id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
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(id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
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!((id->class ^ dev->class) & id->class_mask))
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return id;
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return NULL;
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}
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