| /* Functions internal to the PCI core code */ |
| |
| extern int pci_uevent(struct device *dev, char **envp, int num_envp, |
| char *buffer, int buffer_size); |
| 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); |
| extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res, |
| resource_size_t size, resource_size_t align, |
| resource_size_t min, unsigned int type_mask, |
| void (*alignf)(void *, struct resource *, |
| resource_size_t, resource_size_t), |
| void *alignf_data); |
| /* Firmware callbacks */ |
| extern int (*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 int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); |
| |
| 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 |
| |
| 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; |
| } |
| |