69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
|
#ifndef _SWITCH_H_
|
||
|
|
#define _SWITCH_H_
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/sysfs.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/workqueue.h>
|
||
|
|
#include <linux/kobject.h>
|
||
|
|
#include <linux/delay.h>
|
||
|
|
|
||
|
|
#define DIR_NAME_MAX_LEN (64)
|
||
|
|
#define SYSFS_DEV_ERROR "NA"
|
||
|
|
|
||
|
|
enum LOG_LEVEL{
|
||
|
|
INFO = 0x1,
|
||
|
|
ERR = 0x2,
|
||
|
|
DBG = 0x4,
|
||
|
|
ALL = 0xf
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int g_switch_loglevel;
|
||
|
|
|
||
|
|
#define check_pfun(p) do { \
|
||
|
|
if (p == NULL) { \
|
||
|
|
if (g_switch_loglevel & ERR) { \
|
||
|
|
printk( KERN_ERR "%s, %s is NULL.\n", __FUNCTION__, #p); \
|
||
|
|
} \
|
||
|
|
return -ENOSYS; \
|
||
|
|
} \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define check_p(p) check_pfun(p)
|
||
|
|
|
||
|
|
#define to_switch_obj(x) container_of(x, struct switch_obj, kobj)
|
||
|
|
#define to_switch_attr(x) container_of(x, struct switch_attribute, attr)
|
||
|
|
#define to_switch_device_attr(x) container_of(x, struct switch_device_attribute, switch_attr)
|
||
|
|
|
||
|
|
#define SWITCH_ATTR(_name, _mode, _show, _store, _type) \
|
||
|
|
{ .switch_attr = __ATTR(_name, _mode, _show, _store), \
|
||
|
|
.type = _type }
|
||
|
|
|
||
|
|
#define SWITCH_DEVICE_ATTR(_name, _mode, _show, _store, _type) \
|
||
|
|
struct switch_device_attribute switch_dev_attr_##_name \
|
||
|
|
= SWITCH_ATTR(_name, _mode, _show, _store, _type)
|
||
|
|
|
||
|
|
struct switch_obj {
|
||
|
|
struct kobject kobj;
|
||
|
|
unsigned int index;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* a custom attribute that works just for a struct switch_obj. */
|
||
|
|
struct switch_attribute {
|
||
|
|
struct attribute attr;
|
||
|
|
ssize_t (*show)(struct switch_obj *foo, struct switch_attribute *attr, char *buf);
|
||
|
|
ssize_t (*store)(struct switch_obj *foo, struct switch_attribute *attr, const char *buf, size_t count);
|
||
|
|
};
|
||
|
|
|
||
|
|
struct switch_device_attribute {
|
||
|
|
struct switch_attribute switch_attr;
|
||
|
|
int type;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct switch_obj *switch_kobject_create(const char *name, struct kobject *parent);
|
||
|
|
void switch_kobject_delete(struct switch_obj **obj);
|
||
|
|
|
||
|
|
#endif /* _SWITCH_H_ */
|