aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/pci.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
new file mode 100644
index 000000000000..79cdc16c52c8
--- /dev/null
+++ b/drivers/pci/pci.h
@@ -0,0 +1,96 @@
1/* Functions internal to the PCI core code */
2
3extern int pci_hotplug (struct device *dev, char **envp, int num_envp,
4 char *buffer, int buffer_size);
5extern 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);
14/* PCI /proc functions */
15#ifdef CONFIG_PROC_FS
16extern int pci_proc_attach_device(struct pci_dev *dev);
17extern int pci_proc_detach_device(struct pci_dev *dev);
18extern int pci_proc_attach_bus(struct pci_bus *bus);
19extern int pci_proc_detach_bus(struct pci_bus *bus);
20#else
21static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
22static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
23static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
24static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
25#endif
26
27/* Functions for PCI Hotplug drivers to use */
28extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
29extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
30extern int pci_remove_device_safe(struct pci_dev *dev);
31extern unsigned char pci_max_busnr(void);
32extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
33extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
34
35struct pci_dev_wrapped {
36 struct pci_dev *dev;
37 void *data;
38};
39
40struct pci_bus_wrapped {
41 struct pci_bus *bus;
42 void *data;
43};
44
45struct 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
59extern int pci_visit_dev(struct pci_visit *fn,
60 struct pci_dev_wrapped *wrapped_dev,
61 struct pci_bus_wrapped *wrapped_parent);
62extern void pci_remove_legacy_files(struct pci_bus *bus);
63
64/* Lock for read/write access to pci device and bus lists */
65extern spinlock_t pci_bus_lock;
66
67#ifdef CONFIG_X86_IO_APIC
68extern int pci_msi_quirk;
69#else
70#define pci_msi_quirk 0
71#endif
72
73extern int pcie_mch_quirk;
74extern struct device_attribute pci_dev_attrs[];
75extern 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 */
85static inline const struct pci_device_id *
86pci_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
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-15 17:59:15 -0500