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1da177e4 LT |
1 | /* Functions internal to the PCI core code */ |
2 | ||
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), | |
13 | void *alignf_data); | |
14 | /* PCI /proc functions */ | |
15 | #ifdef CONFIG_PROC_FS | |
16 | extern int pci_proc_attach_device(struct pci_dev *dev); | |
17 | extern int pci_proc_detach_device(struct pci_dev *dev); | |
18 | extern int pci_proc_attach_bus(struct pci_bus *bus); | |
19 | extern int pci_proc_detach_bus(struct pci_bus *bus); | |
20 | #else | |
21 | static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } | |
22 | static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; } | |
23 | static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; } | |
24 | static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } | |
25 | #endif | |
26 | ||
27 | /* Functions for PCI Hotplug drivers to use */ | |
28 | extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); | |
29 | extern unsigned int pci_do_scan_bus(struct pci_bus *bus); | |
30 | extern int pci_remove_device_safe(struct pci_dev *dev); | |
31 | extern unsigned char pci_max_busnr(void); | |
32 | extern unsigned char pci_bus_max_busnr(struct pci_bus *bus); | |
33 | extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); | |
34 | ||
35 | struct pci_dev_wrapped { | |
36 | struct pci_dev *dev; | |
37 | void *data; | |
38 | }; | |
39 | ||
40 | struct pci_bus_wrapped { | |
41 | struct pci_bus *bus; | |
42 | void *data; | |
43 | }; | |
44 | ||
45 | struct pci_visit { | |
46 | int (* pre_visit_pci_bus) (struct pci_bus_wrapped *, | |
47 | struct pci_dev_wrapped *); | |
48 | int (* post_visit_pci_bus) (struct pci_bus_wrapped *, | |
49 | struct pci_dev_wrapped *); | |
50 | ||
51 | int (* pre_visit_pci_dev) (struct pci_dev_wrapped *, | |
52 | struct pci_bus_wrapped *); | |
53 | int (* visit_pci_dev) (struct pci_dev_wrapped *, | |
54 | struct pci_bus_wrapped *); | |
55 | int (* post_visit_pci_dev) (struct pci_dev_wrapped *, | |
56 | struct pci_bus_wrapped *); | |
57 | }; | |
58 | ||
59 | extern int pci_visit_dev(struct pci_visit *fn, | |
60 | struct pci_dev_wrapped *wrapped_dev, | |
61 | struct pci_bus_wrapped *wrapped_parent); | |
62 | extern void pci_remove_legacy_files(struct pci_bus *bus); | |
63 | ||
64 | /* Lock for read/write access to pci device and bus lists */ | |
65 | extern spinlock_t pci_bus_lock; | |
66 | ||
67 | #ifdef CONFIG_X86_IO_APIC | |
68 | extern int pci_msi_quirk; | |
69 | #else | |
70 | #define pci_msi_quirk 0 | |
71 | #endif | |
72 | ||
73 | extern int pcie_mch_quirk; | |
74 | extern struct device_attribute pci_dev_attrs[]; | |
75 | extern struct class_device_attribute class_device_attr_cpuaffinity; | |
76 | ||
77 | /** | |
78 | * pci_match_one_device - Tell if a PCI device structure has a matching | |
79 | * PCI device id structure | |
80 | * @id: single PCI device id structure to match | |
81 | * @dev: the PCI device structure to match against | |
82 | * | |
83 | * Returns the matching pci_device_id structure or %NULL if there is no match. | |
84 | */ | |
85 | static inline const struct pci_device_id * | |
86 | pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) | |
87 | { | |
88 | if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && | |
89 | (id->device == PCI_ANY_ID || id->device == dev->device) && | |
90 | (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && | |
91 | (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && | |
92 | !((id->class ^ dev->class) & id->class_mask)) | |
93 | return id; | |
94 | return NULL; | |
95 | } | |
96 |