tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/* Firmware callbacks */
15extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state);
16extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state);
17
18/* PCI /proc functions */
19#ifdef CONFIG_PROC_FS
20extern int pci_proc_attach_device(struct pci_dev *dev);
21extern int pci_proc_detach_device(struct pci_dev *dev);
22extern int pci_proc_attach_bus(struct pci_bus *bus);
23extern int pci_proc_detach_bus(struct pci_bus *bus);
24#else
25static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
26static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
27static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
28static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
29#endif
30
31/* Functions for PCI Hotplug drivers to use */
32extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
33extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
34extern int pci_remove_device_safe(struct pci_dev *dev);
35extern unsigned char pci_max_busnr(void);
36extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
37extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
38
39extern void pci_remove_legacy_files(struct pci_bus *bus);
40
41/* Lock for read/write access to pci device and bus lists */
42extern spinlock_t pci_bus_lock;
43
44#ifdef CONFIG_X86_IO_APIC
45extern int pci_msi_quirk;
46#else
47#define pci_msi_quirk 0
48#endif
49
50extern int pcie_mch_quirk;
51extern struct device_attribute pci_dev_attrs[];
52extern struct class_device_attribute class_device_attr_cpuaffinity;
53
54/**
55 * pci_match_one_device - Tell if a PCI device structure has a matching
56 * PCI device id structure
57 * @id: single PCI device id structure to match
58 * @dev: the PCI device structure to match against
59 *
60 * Returns the matching pci_device_id structure or %NULL if there is no match.
61 */
62static inline const struct pci_device_id *
63pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev)
64{
65 if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) &&
66 (id->device == PCI_ANY_ID || id->device == dev->device) &&
67 (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) &&
68 (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) &&
69 !((id->class ^ dev->class) & id->class_mask))
70 return id;
71 return NULL;
72}
73