1 /* Functions internal to the PCI core code */
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),
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);
18 extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
19 extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
20 extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
21 extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
22 extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
23 extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
25 /* PCI /proc functions */
27 extern int pci_proc_attach_device(struct pci_dev *dev);
28 extern int pci_proc_detach_device(struct pci_dev *dev);
29 extern int pci_proc_attach_bus(struct pci_bus *bus);
30 extern int pci_proc_detach_bus(struct pci_bus *bus);
32 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
33 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
34 static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
35 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
38 /* Functions for PCI Hotplug drivers to use */
39 extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
40 extern int pci_remove_device_safe(struct pci_dev *dev);
41 extern unsigned char pci_max_busnr(void);
42 extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
43 extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
45 extern void pci_remove_legacy_files(struct pci_bus *bus);
47 /* Lock for read/write access to pci device and bus lists */
48 extern spinlock_t pci_bus_lock;
50 #ifdef CONFIG_X86_IO_APIC
51 extern int pci_msi_quirk;
53 #define pci_msi_quirk 0
57 void disable_msi_mode(struct pci_dev *dev, int pos, int type);
59 static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
62 extern int pcie_mch_quirk;
63 extern struct device_attribute pci_dev_attrs[];
64 extern struct class_device_attribute class_device_attr_cpuaffinity;
67 * pci_match_one_device - Tell if a PCI device structure has a matching
68 * PCI device id structure
69 * @id: single PCI device id structure to match
70 * @dev: the PCI device structure to match against
72 * Returns the matching pci_device_id structure or %NULL if there is no match.
74 static inline const struct pci_device_id *
75 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
77 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
78 (id->device == PCI_ANY_ID || id->device == dev->device) &&
79 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
80 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
81 !((id->class ^ dev->class) & id->class_mask))