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
|
#ifndef DAHDI_SYSFS_H
#define DAHDI_SYSFS_H
#define DEVICE_ATTR_READER(name, dev, buf) \
ssize_t name(struct device *dev, \
struct device_attribute *attr, \
char *buf)
#define DEVICE_ATTR_WRITER(name, dev, buf, count) \
ssize_t name(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count)
#define BUS_ATTR_READER(name, dev, buf) \
ssize_t name(struct device *dev, \
struct device_attribute *attr, \
char *buf)
#define BUS_ATTR_WRITER(name, dev, buf, count) \
ssize_t name(struct device *dev, \
struct device_attribute *attr, \
const char *buf, size_t count)
#define DRIVER_ATTR_READER(name, drv, buf) \
ssize_t name(struct device_driver *drv, char * buf)
/* Device file creation macros */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
#define CLASS_DEV_CREATE(class, devt, device, name) \
device_create(class, device, devt, NULL, "%s", name)
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
#define CLASS_DEV_CREATE(class, devt, device, name) \
device_create(class, device, devt, name)
#else
#define CLASS_DEV_CREATE(class, devt, device, name) \
class_device_create(class, NULL, devt, device, name)
#endif
/* Device file destruction macros */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 26)
#define CLASS_DEV_DESTROY(class, devt) \
device_destroy(class, devt)
#else
#define CLASS_DEV_DESTROY(class, devt) \
class_device_destroy(class, devt)
#endif
/* Global */
int __init dahdi_sysfs_chan_init(const struct file_operations *fops);
void dahdi_sysfs_chan_exit(void);
/* Channel Handling */
int chan_sysfs_create(struct dahdi_chan *chan);
void chan_sysfs_remove(struct dahdi_chan *chan);
#endif /* DAHDI_SYSFS_H */
|
