blob: 30630cbe2fe32c1d65465186b15ad8d083a031ff [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* Functions internal to the PCI core code */
2
Kay Sievers312c0042005-11-16 09:00:00 +01003extern int pci_uevent(struct device *dev, char **envp, int num_envp,
4 char *buffer, int buffer_size);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005extern int pci_create_sysfs_dev_files(struct pci_dev *pdev);
6extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev);
7extern void pci_cleanup_rom(struct pci_dev *dev);
8extern 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),
13 void *alignf_data);
David Shaohua Li0f644742005-03-19 00:15:48 -050014/* Firmware callbacks */
15extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
David Shaohua Lib9131002005-03-19 00:16:18 -050016extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
David Shaohua Li0f644742005-03-19 00:15:48 -050017
Brian Kinge04b0ea2005-09-27 01:21:55 -070018extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val);
19extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val);
20extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val);
21extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val);
22extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
23extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025/* PCI /proc functions */
26#ifdef CONFIG_PROC_FS
27extern int pci_proc_attach_device(struct pci_dev *dev);
28extern int pci_proc_detach_device(struct pci_dev *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070029extern int pci_proc_detach_bus(struct pci_bus *bus);
30#else
31static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
32static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
Linus Torvalds1da177e2005-04-16 15:20:36 -070033static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
34#endif
35
36/* Functions for PCI Hotplug drivers to use */
Linus Torvalds1da177e2005-04-16 15:20:36 -070037extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
Linus Torvalds1da177e2005-04-16 15:20:36 -070038extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
39
Linus Torvalds1da177e2005-04-16 15:20:36 -070040extern void pci_remove_legacy_files(struct pci_bus *bus);
41
42/* Lock for read/write access to pci device and bus lists */
43extern spinlock_t pci_bus_lock;
44
45#ifdef CONFIG_X86_IO_APIC
46extern int pci_msi_quirk;
47#else
48#define pci_msi_quirk 0
49#endif
Andrew Morton4b47b0e2005-08-16 15:16:05 -070050
51#ifdef CONFIG_PCI_MSI
Kristen Accardi4602b882005-08-16 15:15:58 -070052void disable_msi_mode(struct pci_dev *dev, int pos, int type);
Matthew Wilcox309e57d2006-03-05 22:33:34 -070053void pci_no_msi(void);
Andrew Morton4b47b0e2005-08-16 15:16:05 -070054#else
55static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
Matthew Wilcox309e57d2006-03-05 22:33:34 -070056static inline void pci_no_msi(void) { }
Andrew Morton4b47b0e2005-08-16 15:16:05 -070057#endif
Shaohua Li41017f02006-02-08 17:11:38 +080058#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
59int pci_save_msi_state(struct pci_dev *dev);
60int pci_save_msix_state(struct pci_dev *dev);
61void pci_restore_msi_state(struct pci_dev *dev);
62void pci_restore_msix_state(struct pci_dev *dev);
63#else
64static inline int pci_save_msi_state(struct pci_dev *dev) { return 0; }
65static inline int pci_save_msix_state(struct pci_dev *dev) { return 0; }
66static inline void pci_restore_msi_state(struct pci_dev *dev) {}
67static inline void pci_restore_msix_state(struct pci_dev *dev) {}
68#endif
Andrew Morton4b47b0e2005-08-16 15:16:05 -070069
Linus Torvalds1da177e2005-04-16 15:20:36 -070070extern int pcie_mch_quirk;
71extern struct device_attribute pci_dev_attrs[];
72extern struct class_device_attribute class_device_attr_cpuaffinity;
73
74/**
75 * pci_match_one_device - Tell if a PCI device structure has a matching
76 * PCI device id structure
77 * @id: single PCI device id structure to match
78 * @dev: the PCI device structure to match against
79 *
80 * Returns the matching pci_device_id structure or %NULL if there is no match.
81 */
82static inline const struct pci_device_id *
83pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
84{
85 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
86 (id->device == PCI_ANY_ID || id->device == dev->device) &&
87 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
88 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
89 !((id->class ^ dev->class) & id->class_mask))
90 return id;
91 return NULL;
92}
93