Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* Functions internal to the PCI core code */ |
| 2 | |
Kay Sievers | 312c004 | 2005-11-16 09:00:00 +0100 | [diff] [blame] | 3 | extern int pci_uevent(struct device *dev, char **envp, int num_envp, |
| 4 | char *buffer, int buffer_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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); |
David Shaohua Li | 0f64474 | 2005-03-19 00:15:48 -0500 | [diff] [blame] | 14 | /* Firmware callbacks */ |
| 15 | extern int (*platform_pci_choose_state)(struct pci_dev *dev, pm_message_t state); |
David Shaohua Li | b913100 | 2005-03-19 00:16:18 -0500 | [diff] [blame] | 16 | extern int (*platform_pci_set_power_state)(struct pci_dev *dev, pci_power_t state); |
David Shaohua Li | 0f64474 | 2005-03-19 00:15:48 -0500 | [diff] [blame] | 17 | |
Brian King | e04b0ea | 2005-09-27 01:21:55 -0700 | [diff] [blame] | 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); |
| 24 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | /* PCI /proc functions */ |
| 26 | #ifdef CONFIG_PROC_FS |
| 27 | extern int pci_proc_attach_device(struct pci_dev *dev); |
| 28 | extern int pci_proc_detach_device(struct pci_dev *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | extern int pci_proc_detach_bus(struct pci_bus *bus); |
| 30 | #else |
| 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; } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } |
| 34 | #endif |
| 35 | |
| 36 | /* Functions for PCI Hotplug drivers to use */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | extern unsigned int pci_do_scan_bus(struct pci_bus *bus); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap); |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | extern void pci_remove_legacy_files(struct pci_bus *bus); |
| 41 | |
| 42 | /* Lock for read/write access to pci device and bus lists */ |
| 43 | extern spinlock_t pci_bus_lock; |
| 44 | |
| 45 | #ifdef CONFIG_X86_IO_APIC |
| 46 | extern int pci_msi_quirk; |
| 47 | #else |
| 48 | #define pci_msi_quirk 0 |
| 49 | #endif |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 50 | |
| 51 | #ifdef CONFIG_PCI_MSI |
Kristen Accardi | 4602b88 | 2005-08-16 15:15:58 -0700 | [diff] [blame] | 52 | void disable_msi_mode(struct pci_dev *dev, int pos, int type); |
Matthew Wilcox | 309e57d | 2006-03-05 22:33:34 -0700 | [diff] [blame] | 53 | void pci_no_msi(void); |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 54 | #else |
| 55 | static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { } |
Matthew Wilcox | 309e57d | 2006-03-05 22:33:34 -0700 | [diff] [blame] | 56 | static inline void pci_no_msi(void) { } |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 57 | #endif |
Shaohua Li | 41017f0 | 2006-02-08 17:11:38 +0800 | [diff] [blame] | 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); |
| 63 | #else |
| 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) {} |
| 68 | #endif |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 69 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | extern int pcie_mch_quirk; |
| 71 | extern struct device_attribute pci_dev_attrs[]; |
| 72 | extern 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 | */ |
| 82 | static inline const struct pci_device_id * |
| 83 | pci_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 | |