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#ifndef PARAM_H
#define PARAM_H
#include <linux/types.h>
#include <linux/list.h>
#define PARAM_FLAG_RO (1 << 0)
struct device_d;
typedef unsigned long IPaddr_t;
struct param_d {
const char* (*get)(struct device_d *, struct param_d *param);
int (*set)(struct device_d *, struct param_d *param, const char *val);
unsigned int flags;
char *name;
char *value;
struct list_head list;
};
#ifdef CONFIG_PARAMETER
const char *dev_get_param(struct device_d *dev, const char *name);
int dev_set_param(struct device_d *dev, const char *name, const char *val);
struct param_d *get_param_by_name(struct device_d *dev, const char *name);
int dev_add_param(struct device_d *dev, const char *name,
int (*set)(struct device_d *dev, struct param_d *p, const char *val),
const char *(*get)(struct device_d *, struct param_d *p),
unsigned long flags);
int dev_add_param_fixed(struct device_d *dev, char *name, char *value);
void dev_remove_param(struct device_d *dev, char *name);
void dev_remove_parameters(struct device_d *dev);
int dev_param_set_generic(struct device_d *dev, struct param_d *p,
const char *val);
/* Convenience functions to handle a parameter as an ip address */
int dev_set_param_ip(struct device_d *dev, char *name, IPaddr_t ip);
IPaddr_t dev_get_param_ip(struct device_d *dev, char *name);
#else
static inline const char *dev_get_param(struct device_d *dev, const char *name)
{
return NULL;
}
static inline int dev_set_param(struct device_d *dev, const char *name,
const char *val)
{
return 0;
}
static inline struct param_d *get_param_by_name(struct device_d *dev,
const char *name)
{
return NULL;
}
static inline int dev_add_param(struct device_d *dev, char *name,
int (*set)(struct device_d *dev, struct param_d *p, const char *val),
char *(*get)(struct device_d *, struct param_d *p),
unsigned long flags)
{
return 0;
}
static inline int dev_add_param_fixed(struct device_d *dev, char *name, char *value)
{
return 0;
}
static inline void dev_remove_param(struct device_d *dev, char *name) {}
static inline void dev_remove_parameters(struct device_d *dev) {}
static inline int dev_param_set_generic(struct device_d *dev, struct param_d *p,
const char *val)
{
return 0;
}
/* Convenience functions to handle a parameter as an ip address */
static inline int dev_set_param_ip(struct device_d *dev, char *name, IPaddr_t ip)
{
return 0;
}
static inline IPaddr_t dev_get_param_ip(struct device_d *dev, char *name)
{
return 0;
}
#endif
#endif /* PARAM_H */
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