Commit | Line | Data |
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1da177e4 LT |
1 | /* Functions internal to the PCI core code */ |
2 | ||
7eff2e7a | 3 | extern int pci_uevent(struct device *dev, struct kobj_uevent_env *env); |
1da177e4 LT |
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); | |
ce5ccdef | 7 | |
961d9120 RW |
8 | /** |
9 | * Firmware PM callbacks | |
10 | * | |
11 | * @is_manageable - returns 'true' if given device is power manageable by the | |
12 | * platform firmware | |
13 | * | |
14 | * @set_state - invokes the platform firmware to set the device's power state | |
15 | * | |
16 | * @choose_state - returns PCI power state of given device preferred by the | |
17 | * platform; to be used during system-wide transitions from a | |
18 | * sleeping state to the working state and vice versa | |
19 | * | |
eb9d0fe4 RW |
20 | * @can_wakeup - returns 'true' if given device is capable of waking up the |
21 | * system from a sleeping state | |
22 | * | |
23 | * @sleep_wake - enables/disables the system wake up capability of given device | |
24 | * | |
961d9120 RW |
25 | * If given platform is generally capable of power managing PCI devices, all of |
26 | * these callbacks are mandatory. | |
27 | */ | |
28 | struct pci_platform_pm_ops { | |
29 | bool (*is_manageable)(struct pci_dev *dev); | |
30 | int (*set_state)(struct pci_dev *dev, pci_power_t state); | |
31 | pci_power_t (*choose_state)(struct pci_dev *dev); | |
eb9d0fe4 RW |
32 | bool (*can_wakeup)(struct pci_dev *dev); |
33 | int (*sleep_wake)(struct pci_dev *dev, bool enable); | |
961d9120 RW |
34 | }; |
35 | ||
36 | extern int pci_set_platform_pm(struct pci_platform_pm_ops *ops); | |
eb9d0fe4 | 37 | extern void pci_pm_init(struct pci_dev *dev); |
0f64474b | 38 | |
e04b0ea2 BK |
39 | extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); |
40 | extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); | |
41 | extern int pci_user_read_config_dword(struct pci_dev *dev, int where, u32 *val); | |
42 | extern int pci_user_write_config_byte(struct pci_dev *dev, int where, u8 val); | |
43 | extern int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); | |
44 | extern int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); | |
45 | ||
94e61088 BH |
46 | struct pci_vpd_ops { |
47 | int (*read)(struct pci_dev *dev, int pos, int size, char *buf); | |
48 | int (*write)(struct pci_dev *dev, int pos, int size, const char *buf); | |
94e61088 BH |
49 | void (*release)(struct pci_dev *dev); |
50 | }; | |
51 | ||
52 | struct pci_vpd { | |
99cb233d | 53 | unsigned int len; |
94e61088 BH |
54 | struct pci_vpd_ops *ops; |
55 | struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ | |
56 | }; | |
57 | ||
58 | extern int pci_vpd_pci22_init(struct pci_dev *dev); | |
59 | static inline void pci_vpd_release(struct pci_dev *dev) | |
60 | { | |
61 | if (dev->vpd) | |
62 | dev->vpd->ops->release(dev); | |
63 | } | |
64 | ||
1da177e4 LT |
65 | /* PCI /proc functions */ |
66 | #ifdef CONFIG_PROC_FS | |
67 | extern int pci_proc_attach_device(struct pci_dev *dev); | |
68 | extern int pci_proc_detach_device(struct pci_dev *dev); | |
1da177e4 LT |
69 | extern int pci_proc_detach_bus(struct pci_bus *bus); |
70 | #else | |
71 | static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; } | |
72 | static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; } | |
1da177e4 LT |
73 | static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; } |
74 | #endif | |
75 | ||
76 | /* Functions for PCI Hotplug drivers to use */ | |
1da177e4 | 77 | extern unsigned int pci_do_scan_bus(struct pci_bus *bus); |
1da177e4 | 78 | |
1da177e4 LT |
79 | extern void pci_remove_legacy_files(struct pci_bus *bus); |
80 | ||
81 | /* Lock for read/write access to pci device and bus lists */ | |
d71374da | 82 | extern struct rw_semaphore pci_bus_sem; |
1da177e4 | 83 | |
ffadcc2f | 84 | extern unsigned int pci_pm_d3_delay; |
88187dfa | 85 | |
4b47b0ee | 86 | #ifdef CONFIG_PCI_MSI |
309e57df | 87 | void pci_no_msi(void); |
4aa9bc95 | 88 | extern void pci_msi_init_pci_dev(struct pci_dev *dev); |
4b47b0ee | 89 | #else |
309e57df | 90 | static inline void pci_no_msi(void) { } |
4aa9bc95 | 91 | static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { } |
4b47b0ee | 92 | #endif |
8fed4b65 | 93 | |
7f785763 RD |
94 | #ifdef CONFIG_PCIEAER |
95 | void pci_no_aer(void); | |
96 | #else | |
97 | static inline void pci_no_aer(void) { } | |
98 | #endif | |
99 | ||
ffadcc2f KCA |
100 | static inline int pci_no_d1d2(struct pci_dev *dev) |
101 | { | |
102 | unsigned int parent_dstates = 0; | |
4b47b0ee | 103 | |
ffadcc2f KCA |
104 | if (dev->bus->self) |
105 | parent_dstates = dev->bus->self->no_d1d2; | |
106 | return (dev->no_d1d2 || parent_dstates); | |
107 | ||
108 | } | |
1da177e4 LT |
109 | extern int pcie_mch_quirk; |
110 | extern struct device_attribute pci_dev_attrs[]; | |
fd7d1ced | 111 | extern struct device_attribute dev_attr_cpuaffinity; |
1da177e4 LT |
112 | |
113 | /** | |
114 | * pci_match_one_device - Tell if a PCI device structure has a matching | |
115 | * PCI device id structure | |
116 | * @id: single PCI device id structure to match | |
117 | * @dev: the PCI device structure to match against | |
367b09fe | 118 | * |
1da177e4 LT |
119 | * Returns the matching pci_device_id structure or %NULL if there is no match. |
120 | */ | |
121 | static inline const struct pci_device_id * | |
122 | pci_match_one_device(const struct pci_device_id *id, const struct pci_dev *dev) | |
123 | { | |
124 | if ((id->vendor == PCI_ANY_ID || id->vendor == dev->vendor) && | |
125 | (id->device == PCI_ANY_ID || id->device == dev->device) && | |
126 | (id->subvendor == PCI_ANY_ID || id->subvendor == dev->subsystem_vendor) && | |
127 | (id->subdevice == PCI_ANY_ID || id->subdevice == dev->subsystem_device) && | |
128 | !((id->class ^ dev->class) & id->class_mask)) | |
129 | return id; | |
130 | return NULL; | |
131 | } | |
132 | ||
994a65e2 | 133 | struct pci_dev *pci_find_upstream_pcie_bridge(struct pci_dev *pdev); |
f46753c5 AC |
134 | |
135 | /* PCI slot sysfs helper code */ | |
136 | #define to_pci_slot(s) container_of(s, struct pci_slot, kobj) | |
137 | ||
138 | extern struct kset *pci_slots_kset; | |
139 | ||
140 | struct pci_slot_attribute { | |
141 | struct attribute attr; | |
142 | ssize_t (*show)(struct pci_slot *, char *); | |
143 | ssize_t (*store)(struct pci_slot *, const char *, size_t); | |
144 | }; | |
145 | #define to_pci_slot_attr(s) container_of(s, struct pci_slot_attribute, attr) | |
146 |