1 struct bus_type {
2 char * name;
3
4 struct subsystem subsys;
5 struct kset drivers;
6 struct kset devices;
7
8 struct bus_attribute * bus_attrs;
9 struct device_attribute * dev_attrs;
10 struct driver_attribute * drv_attrs;
11
12 int (*match)(struct device * dev, struct device_driver * drv);
13 int (*hotplug) (struct device *dev, char **envp,
14 int num_envp, char *buffer, int buffer_size);
15 int (*suspend)(struct device * dev, u32 state);
16 int (*resume)(struct device * dev);
17 };
1 struct device {
2 struct list_head node; /* node in sibling list */
3 struct list_head bus_list; /* node in bus's list */
4 struct list_head driver_list;
5 struct list_head children;
6 struct device * parent;
7
8 struct kobject kobj;
9 char bus_id[BUS_ID_SIZE]; /* position on parent bus */
10
11 struct bus_type * bus; /* type of bus device is on */
12 struct device_driver *driver; /* which driver has allocated this
13 device */
14 void *driver_data; /* data private to the driver */
15 void *platform_data; /* Platform specific data (e.g. ACPI,
16 BIOS data relevant to device) */
17 struct dev_pm_info power;
18
19 u32 detach_state; /* State to enter when device is
20 detached from its driver. */
21
22 u64 *dma_mask; /* dma mask (if dma'able device) */
23 u64 coherent_dma_mask;/* Like dma_mask, but for
24 alloc_coherent mappings as
25 not all hardware supports
26 64 bit addresses for consistent
27 allocations such descriptors. */
28
29 struct list_head dma_pools; /* dma pools (if dma'ble) */
30
31 struct dma_coherent_mem *dma_mem; /* internal for coherent mem
32 override */
33
34 void (*release)(struct device * dev);
35 };
1 struct device_driver {
2 char * name;
3 struct bus_type * bus;
4
5 struct semaphore unload_sem;
6 struct kobject kobj;
7 struct list_head devices;
8
9 struct module * owner;
10
11 int (*probe) (struct device * dev);
12 int (*remove) (struct device * dev);
13 void (*shutdown) (struct device * dev);
14 int (*suspend) (struct device * dev, u32 state, u32 level);
15 int (*resume) (struct device * dev, u32 level);
16 };
1 struct list_head {
2 struct list_head *next, *prev;
3 };
