Commit | Line | Data |
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a1bdc7aa | 1 | |
c6f7e72a GKH |
2 | /** |
3 | * struct bus_type_private - structure to hold the private to the driver core portions of the bus_type structure. | |
4 | * | |
5 | * @subsys - the struct kset that defines this bus. This is the main kobject | |
6 | * @drivers_kset - the list of drivers associated with this bus | |
7 | * @devices_kset - the list of devices associated with this bus | |
8 | * @klist_devices - the klist to iterate over the @devices_kset | |
9 | * @klist_drivers - the klist to iterate over the @drivers_kset | |
10 | * @bus_notifier - the bus notifier list for anything that cares about things | |
11 | * on this bus. | |
12 | * @bus - pointer back to the struct bus_type that this structure is associated | |
13 | * with. | |
14 | * | |
15 | * This structure is the one that is the actual kobject allowing struct | |
16 | * bus_type to be statically allocated safely. Nothing outside of the driver | |
17 | * core should ever touch these fields. | |
18 | */ | |
19 | struct bus_type_private { | |
20 | struct kset subsys; | |
21 | struct kset *drivers_kset; | |
22 | struct kset *devices_kset; | |
23 | struct klist klist_devices; | |
24 | struct klist klist_drivers; | |
25 | struct blocking_notifier_head bus_notifier; | |
26 | unsigned int drivers_autoprobe:1; | |
27 | struct bus_type *bus; | |
28 | }; | |
29 | ||
e5dd1278 GKH |
30 | struct driver_private { |
31 | struct kobject kobj; | |
32 | struct klist klist_devices; | |
33 | struct klist_node knode_bus; | |
34 | struct module_kobject *mkobj; | |
35 | struct device_driver *driver; | |
36 | }; | |
37 | #define to_driver(obj) container_of(obj, struct driver_private, kobj) | |
a1bdc7aa | 38 | |
7c71448b GKH |
39 | |
40 | /** | |
41 | * struct class_private - structure to hold the private to the driver core portions of the class structure. | |
42 | * | |
1fbfee6c | 43 | * @class_subsys - the struct kset that defines this class. This is the main kobject |
97ae69fd | 44 | * @class_devices - list of devices associated with this class |
184f1f77 | 45 | * @class_interfaces - list of class_interfaces associated with this class |
1e412508 | 46 | * @class_dirs - "glue" directory for virtual devices associated with this class |
f75b1c60 | 47 | * @class_mutex - mutex to protect the children, devices, and interfaces lists. |
7c71448b GKH |
48 | * @class - pointer back to the struct class that this structure is associated |
49 | * with. | |
50 | * | |
51 | * This structure is the one that is the actual kobject allowing struct | |
52 | * class to be statically allocated safely. Nothing outside of the driver | |
53 | * core should ever touch these fields. | |
54 | */ | |
55 | struct class_private { | |
1fbfee6c | 56 | struct kset class_subsys; |
5a3ceb86 | 57 | struct klist class_devices; |
184f1f77 | 58 | struct list_head class_interfaces; |
7c71448b | 59 | struct kset class_dirs; |
f75b1c60 | 60 | struct mutex class_mutex; |
7c71448b GKH |
61 | struct class *class; |
62 | }; | |
1fbfee6c GKH |
63 | #define to_class(obj) \ |
64 | container_of(obj, struct class_private, class_subsys.kobj) | |
7c71448b | 65 | |
fb069a5d GKH |
66 | /** |
67 | * struct device_private - structure to hold the private to the driver core portions of the device structure. | |
68 | * | |
f791b8c8 GKH |
69 | * @klist_children - klist containing all children of this device |
70 | * @knode_parent - node in sibling list | |
8940b4f3 | 71 | * @knode_driver - node in driver list |
ae1b4171 | 72 | * @knode_bus - node in bus list |
b4028437 GKH |
73 | * @driver_data - private pointer for driver specific info. Will turn into a |
74 | * list soon. | |
fb069a5d GKH |
75 | * @device - pointer back to the struct class that this structure is |
76 | * associated with. | |
77 | * | |
78 | * Nothing outside of the driver core should ever touch these fields. | |
79 | */ | |
80 | struct device_private { | |
f791b8c8 GKH |
81 | struct klist klist_children; |
82 | struct klist_node knode_parent; | |
8940b4f3 | 83 | struct klist_node knode_driver; |
ae1b4171 | 84 | struct klist_node knode_bus; |
b4028437 | 85 | void *driver_data; |
fb069a5d GKH |
86 | struct device *device; |
87 | }; | |
f791b8c8 GKH |
88 | #define to_device_private_parent(obj) \ |
89 | container_of(obj, struct device_private, knode_parent) | |
8940b4f3 GKH |
90 | #define to_device_private_driver(obj) \ |
91 | container_of(obj, struct device_private, knode_driver) | |
ae1b4171 GKH |
92 | #define to_device_private_bus(obj) \ |
93 | container_of(obj, struct device_private, knode_bus) | |
fb069a5d | 94 | |
b4028437 GKH |
95 | extern int device_private_init(struct device *dev); |
96 | ||
c6f7e72a | 97 | /* initialisation functions */ |
a1bdc7aa BD |
98 | extern int devices_init(void); |
99 | extern int buses_init(void); | |
100 | extern int classes_init(void); | |
101 | extern int firmware_init(void); | |
4039483f MH |
102 | #ifdef CONFIG_SYS_HYPERVISOR |
103 | extern int hypervisor_init(void); | |
104 | #else | |
105 | static inline int hypervisor_init(void) { return 0; } | |
106 | #endif | |
a1bdc7aa BD |
107 | extern int platform_bus_init(void); |
108 | extern int system_bus_init(void); | |
109 | extern int cpu_dev_init(void); | |
a1bdc7aa | 110 | |
4a3ad20c | 111 | extern int bus_add_device(struct device *dev); |
2023c610 | 112 | extern void bus_probe_device(struct device *dev); |
4a3ad20c | 113 | extern void bus_remove_device(struct device *dev); |
1da177e4 | 114 | |
4a3ad20c GKH |
115 | extern int bus_add_driver(struct device_driver *drv); |
116 | extern void bus_remove_driver(struct device_driver *drv); | |
1da177e4 | 117 | |
4a3ad20c GKH |
118 | extern void driver_detach(struct device_driver *drv); |
119 | extern int driver_probe_device(struct device_driver *drv, struct device *dev); | |
49b420a1 ML |
120 | static inline int driver_match_device(struct device_driver *drv, |
121 | struct device *dev) | |
122 | { | |
5247aecf | 123 | return drv->bus->match ? drv->bus->match(dev, drv) : 1; |
49b420a1 | 124 | } |
07e4a3e2 | 125 | |
f67d115f | 126 | extern void sysdev_shutdown(void); |
f67d115f | 127 | |
aa49b913 | 128 | extern char *make_class_name(const char *name, struct kobject *kobj); |
1da177e4 | 129 | |
2a013455 | 130 | extern int devres_release_all(struct device *dev); |
823bccfc | 131 | |
881c6cfd | 132 | extern struct kset *devices_kset; |
c63469a3 | 133 | |
92b42141 | 134 | #if defined(CONFIG_MODULES) && defined(CONFIG_SYSFS) |
c63469a3 GKH |
135 | extern void module_add_driver(struct module *mod, struct device_driver *drv); |
136 | extern void module_remove_driver(struct device_driver *drv); | |
137 | #else | |
138 | static inline void module_add_driver(struct module *mod, | |
139 | struct device_driver *drv) { } | |
140 | static inline void module_remove_driver(struct device_driver *drv) { } | |
141 | #endif | |
2b2af54a KS |
142 | |
143 | #ifdef CONFIG_DEVTMPFS | |
144 | extern int devtmpfs_init(void); | |
145 | #else | |
146 | static inline int devtmpfs_init(void) { return 0; } | |
147 | #endif |