blob: 43bbf60483732bbfe92993ee4c086903332a9203 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#ifndef _GPXE_DEVICE_H
#define _GPXE_DEVICE_H
/**
* @file
*
* Device model
*
*/
#include <gpxe/list.h>
#include <gpxe/tables.h>
/** A hardware device */
struct device {
/** Devices on the same bus */
struct list_head siblings;
/** Devices attached to this device */
struct list_head children;
/** Bus device */
struct device *parent;
};
/**
* A root device
*
* Root devices are system buses such as PCI, EISA, etc.
*
*/
struct root_device {
/** Name */
const char *name;
/** Device chain
*
* A root device has a NULL parent field.
*/
struct device dev;
/** Root device driver */
struct root_driver *driver;
};
/** A root device driver */
struct root_driver {
/**
* Add root device
*
* @v rootdev Root device
* @ret rc Return status code
*
* Called from probe_devices() for all root devices in the build.
*/
int ( * probe ) ( struct root_device *rootdev );
/**
* Remove root device
*
* @v rootdev Root device
*
* Called from remove_device() for all successfully-probed
* root devices.
*/
void ( * remove ) ( struct root_device *rootdev );
};
/** Declare a root device */
#define __root_device __table ( root_devices, 01 )
extern int probe_devices ( void );
extern void remove_devices ( void );
#endif /* _GPXE_DEVICE_H */
|
