1 /* Functions internal to the PCI core code */
3 extern int pci_uevent(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_detach_bus(struct pci_bus
*bus
);
31 static inline int pci_proc_attach_device(struct pci_dev
*dev
) { return 0; }
32 static inline int pci_proc_detach_device(struct pci_dev
*dev
) { return 0; }
33 static inline int pci_proc_detach_bus(struct pci_bus
*bus
) { return 0; }
36 /* Functions for PCI Hotplug drivers to use */
37 extern unsigned int pci_do_scan_bus(struct pci_bus
*bus
);
38 extern int pci_bus_find_capability (struct pci_bus
*bus
, unsigned int devfn
, int cap
);
40 extern void pci_remove_legacy_files(struct pci_bus
*bus
);
42 /* Lock for read/write access to pci device and bus lists */
43 extern spinlock_t pci_bus_lock
;
45 #ifdef CONFIG_X86_IO_APIC
46 extern int pci_msi_quirk
;
48 #define pci_msi_quirk 0
52 void disable_msi_mode(struct pci_dev
*dev
, int pos
, int type
);
53 void pci_no_msi(void);
55 static inline void disable_msi_mode(struct pci_dev
*dev
, int pos
, int type
) { }
56 static inline void pci_no_msi(void) { }
58 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
59 int pci_save_msi_state(struct pci_dev
*dev
);
60 int pci_save_msix_state(struct pci_dev
*dev
);
61 void pci_restore_msi_state(struct pci_dev
*dev
);
62 void pci_restore_msix_state(struct pci_dev
*dev
);
64 static inline int pci_save_msi_state(struct pci_dev
*dev
) { return 0; }
65 static inline int pci_save_msix_state(struct pci_dev
*dev
) { return 0; }
66 static inline void pci_restore_msi_state(struct pci_dev
*dev
) {}
67 static inline void pci_restore_msix_state(struct pci_dev
*dev
) {}
70 extern int pcie_mch_quirk
;
71 extern struct device_attribute pci_dev_attrs
[];
72 extern struct class_device_attribute class_device_attr_cpuaffinity
;
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
80 * Returns the matching pci_device_id structure or %NULL if there is no match.
82 static inline const struct pci_device_id
*
83 pci_match_one_device(const struct pci_device_id
*id
, const struct pci_dev
*dev
)
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
))