1 /* Functions internal to the PCI core code */
3 extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env);
4 extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
5 extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
6 extern void pci_cleanup_rom(struct pci_dev *dev);
8 /* Firmware callbacks */
9 extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev,
11 extern int (*platform_pci_set_power_state)(struct pci_dev *dev,
14 extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
15 extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
16 extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
17 extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
18 extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
19 extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
22 int (*read)(struct pci_dev *dev, int pos, int size, char *buf);
23 int (*write)(struct pci_dev *dev, int pos, int size, const char *buf);
24 void (*release)(struct pci_dev *dev);
29 struct pci_vpd_ops *ops;
30 struct bin_attribute *attr; /* descriptor for sysfs VPD entry */
33 extern int pci_vpd_pci22_init(struct pci_dev *dev);
34 static inline void pci_vpd_release(struct pci_dev *dev)
37 dev->vpd->ops->release(dev);
40 /* PCI /proc functions */
42 extern int pci_proc_attach_device(struct pci_dev *dev);
43 extern int pci_proc_detach_device(struct pci_dev *dev);
44 extern int pci_proc_detach_bus(struct pci_bus *bus);
46 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
47 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
48 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
51 /* Functions for PCI Hotplug drivers to use */
52 extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
54 extern void pci_remove_legacy_files(struct pci_bus *bus);
56 /* Lock for read/write access to pci device and bus lists */
57 extern struct rw_semaphore pci_bus_sem;
59 extern unsigned int pci_pm_d3_delay;
62 void pci_no_msi(void);
63 extern void pci_msi_init_pci_dev(struct pci_dev *dev);
65 static inline void pci_no_msi(void) { }
66 static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
70 void pci_no_aer(void);
72 static inline void pci_no_aer(void) { }
75 static inline int pci_no_d1d2(struct pci_dev *dev)
77 unsigned int parent_dstates = 0;
80 parent_dstates = dev->bus->self->no_d1d2;
81 return (dev->no_d1d2 || parent_dstates);
84 extern int pcie_mch_quirk;
85 extern struct device_attribute pci_dev_attrs[];
86 extern struct device_attribute dev_attr_cpuaffinity;
89 * pci_match_one_device - Tell if a PCI device structure has a matching
90 * PCI device id structure
91 * @id: single PCI device id structure to match
92 * @dev: the PCI device structure to match against
94 * Returns the matching pci_device_id structure or %NULL if there is no match.
96 static inline const struct pci_device_id *
97 pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
99 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
100 (id->device == PCI_ANY_ID || id->device == dev->device) &&
101 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
102 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
103 !((id->class ^ dev->class) & id->class_mask))
108 struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev);