Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* Functions internal to the PCI core code */ |
| 2 | |
Kay Sievers | 7eff2e7 | 2007-08-14 15:15:12 +0200 | [diff] [blame] | 3 | extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | extern int pci_create_sysfs_dev_files(struct pci_dev *pdev); |
| 5 | extern void pci_remove_sysfs_dev_files(struct pci_dev *pdev); |
| 6 | extern void pci_cleanup_rom(struct pci_dev *dev); |
Kumar Gala | ce5ccde | 2007-07-16 23:27:10 -0500 | [diff] [blame] | 7 | |
David Shaohua Li | 0f64474 | 2005-03-19 00:15:48 -0500 | [diff] [blame] | 8 | /* Firmware callbacks */ |
Greg Kroah-Hartman | 367b09f | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 9 | extern pci_power_t (*platform_pci_choose_state)(struct pci_dev *dev, |
| 10 | pm_message_t state); |
| 11 | extern int (*platform_pci_set_power_state)(struct pci_dev *dev, |
| 12 | pci_power_t state); |
David Shaohua Li | 0f64474 | 2005-03-19 00:15:48 -0500 | [diff] [blame] | 13 | |
Brian King | e04b0ea | 2005-09-27 01:21:55 -0700 | [diff] [blame] | 14 | extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); |
| 15 | extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); |
| 16 | extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); |
| 17 | extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); |
| 18 | extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); |
| 19 | extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); |
| 20 | |
Ben Hutchings | 94e6108 | 2008-03-05 16:52:39 +0000 | [diff] [blame] | 21 | struct pci_vpd_ops { |
| 22 | int (*read)(struct pci_dev *dev, int pos, int size, char *buf); |
| 23 | int (*write)(struct pci_dev *dev, int pos, int size, const char *buf); |
Ben Hutchings | 94e6108 | 2008-03-05 16:52:39 +0000 | [diff] [blame] | 24 | void (*release)(struct pci_dev *dev); |
| 25 | }; |
| 26 | |
| 27 | struct pci_vpd { |
Benjamin Li | 99cb233d | 2008-07-02 10:59:04 -0700 | [diff] [blame] | 28 | unsigned int len; |
Ben Hutchings | 94e6108 | 2008-03-05 16:52:39 +0000 | [diff] [blame] | 29 | struct pci_vpd_ops *ops; |
| 30 | struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ |
| 31 | }; |
| 32 | |
| 33 | extern int pci_vpd_pci22_init(struct pci_dev *dev); |
| 34 | static inline void pci_vpd_release(struct pci_dev *dev) |
| 35 | { |
| 36 | if (dev->vpd) |
| 37 | dev->vpd->ops->release(dev); |
| 38 | } |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | /* PCI /proc functions */ |
| 41 | #ifdef CONFIG_PROC_FS |
| 42 | extern int pci_proc_attach_device(struct pci_dev *dev); |
| 43 | extern int pci_proc_detach_device(struct pci_dev *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | extern int pci_proc_detach_bus(struct pci_bus *bus); |
| 45 | #else |
| 46 | static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } |
| 47 | 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] | 48 | static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } |
| 49 | #endif |
| 50 | |
| 51 | /* Functions for PCI Hotplug drivers to use */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | extern unsigned int pci_do_scan_bus(struct pci_bus *bus); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | extern void pci_remove_legacy_files(struct pci_bus *bus); |
| 55 | |
| 56 | /* Lock for read/write access to pci device and bus lists */ |
Zhang Yanmin | d71374d | 2006-06-02 12:35:43 +0800 | [diff] [blame] | 57 | extern struct rw_semaphore pci_bus_sem; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
Kristen Carlson Accardi | ffadcc2 | 2006-07-12 08:59:00 -0700 | [diff] [blame] | 59 | extern unsigned int pci_pm_d3_delay; |
Michael Ellerman | 88187df | 2007-01-25 19:34:07 +1100 | [diff] [blame] | 60 | |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 61 | #ifdef CONFIG_PCI_MSI |
Matthew Wilcox | 309e57d | 2006-03-05 22:33:34 -0700 | [diff] [blame] | 62 | void pci_no_msi(void); |
Michael Ellerman | 4aa9bc9 | 2007-04-05 17:19:10 +1000 | [diff] [blame] | 63 | extern void pci_msi_init_pci_dev(struct pci_dev *dev); |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 64 | #else |
Matthew Wilcox | 309e57d | 2006-03-05 22:33:34 -0700 | [diff] [blame] | 65 | static inline void pci_no_msi(void) { } |
Michael Ellerman | 4aa9bc9 | 2007-04-05 17:19:10 +1000 | [diff] [blame] | 66 | static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 67 | #endif |
Michael Ellerman | 8fed4b6 | 2007-01-25 19:34:08 +1100 | [diff] [blame] | 68 | |
Randy Dunlap | 7f78576 | 2007-10-05 13:17:58 -0700 | [diff] [blame] | 69 | #ifdef CONFIG_PCIEAER |
| 70 | void pci_no_aer(void); |
| 71 | #else |
| 72 | static inline void pci_no_aer(void) { } |
| 73 | #endif |
| 74 | |
Kristen Carlson Accardi | ffadcc2 | 2006-07-12 08:59:00 -0700 | [diff] [blame] | 75 | static inline int pci_no_d1d2(struct pci_dev *dev) |
| 76 | { |
| 77 | unsigned int parent_dstates = 0; |
Andrew Morton | 4b47b0e | 2005-08-16 15:16:05 -0700 | [diff] [blame] | 78 | |
Kristen Carlson Accardi | ffadcc2 | 2006-07-12 08:59:00 -0700 | [diff] [blame] | 79 | if (dev->bus->self) |
| 80 | parent_dstates = dev->bus->self->no_d1d2; |
| 81 | return (dev->no_d1d2 || parent_dstates); |
| 82 | |
| 83 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | extern int pcie_mch_quirk; |
| 85 | extern struct device_attribute pci_dev_attrs[]; |
Greg Kroah-Hartman | fd7d1ce | 2007-05-22 22:47:54 -0400 | [diff] [blame] | 86 | extern struct device_attribute dev_attr_cpuaffinity; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | /** |
| 89 | * pci_match_one_device - Tell if a PCI device structure has a matching |
| 90 | * PCI device id structure |
| 91 | * @id: single PCI device id structure to match |
| 92 | * @dev: the PCI device structure to match against |
Greg Kroah-Hartman | 367b09f | 2008-01-30 15:21:33 -0800 | [diff] [blame] | 93 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | * Returns the matching pci_device_id structure or %NULL if there is no match. |
| 95 | */ |
| 96 | static inline const struct pci_device_id * |
| 97 | pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) |
| 98 | { |
| 99 | if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && |
| 100 | (id->device == PCI_ANY_ID || id->device == dev->device) && |
| 101 | (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && |
| 102 | (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && |
| 103 | !((id->class ^ dev->class) & id->class_mask)) |
| 104 | return id; |
| 105 | return NULL; |
| 106 | } |
| 107 | |
Keshavamurthy, Anil S | 994a65e | 2007-10-21 16:41:46 -0700 | [diff] [blame] | 108 | struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); |