This could previously only be done with 'devinfo global'. While this is still possible this adds a more direct access via the globalvar command. This variant also adds a '*' in front of the variable if the corresponding non volatile variable exists. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
135 lines
2.6 KiB
C
135 lines
2.6 KiB
C
#ifndef __GLOBALVAR_H
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#define __GLOBALVAR_H
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#include <param.h>
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#include <driver.h>
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#include <linux/err.h>
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extern struct device_d global_device;
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#ifdef CONFIG_GLOBALVAR
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int globalvar_add_simple(const char *name, const char *value);
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int globalvar_add(const char *name,
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int (*set)(struct device_d *dev, struct param_d *p, const char *val),
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const char *(*get)(struct device_d *, struct param_d *p),
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unsigned long flags);
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char *globalvar_get_match(const char *match, const char *separator);
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void globalvar_set_match(const char *match, const char *val);
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static inline int globalvar_add_simple_int(const char *name,
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int *value, const char *format)
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{
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struct param_d *p;
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p = dev_add_param_int(&global_device, name, NULL, NULL,
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value, format, NULL);
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if (IS_ERR(p))
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return PTR_ERR(p);
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return 0;
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}
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static inline int globalvar_add_simple_bool(const char *name,
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int *value)
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{
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struct param_d *p;
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p = dev_add_param_bool(&global_device, name, NULL, NULL,
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value, NULL);
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if (IS_ERR(p))
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return PTR_ERR(p);
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return 0;
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}
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static inline int globalvar_add_simple_enum(const char *name,
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int *value, const char **names, int max)
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{
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struct param_d *p;
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p = dev_add_param_enum(&global_device, name, NULL, NULL,
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value, names, max, NULL);
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if (IS_ERR(p))
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return PTR_ERR(p);
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return 0;
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}
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static inline int globalvar_add_simple_ip(const char *name,
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IPaddr_t *ip)
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{
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struct param_d *p;
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p = dev_add_param_ip(&global_device, name, NULL, NULL,
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ip, NULL);
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if (IS_ERR(p))
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return PTR_ERR(p);
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return 0;
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}
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int nvvar_load(void);
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void nvvar_print(void);
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int nvvar_add(const char *name, const char *value);
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int nvvar_remove(const char *name);
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void globalvar_print(void);
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#else
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static inline int globalvar_add_simple(const char *name, const char *value)
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{
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return 0;
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}
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static inline int globalvar_add_simple_int(const char *name,
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int *value, const char *format)
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{
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return 0;
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}
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static inline int globalvar_add_simple_bool(const char *name,
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int *value)
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{
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return 0;
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}
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static inline int globalvar_add_simple_enum(const char *name,
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int *value, const char **names, int max)
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{
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return 0;
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}
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static inline int globalvar_add_simple_ip(const char *name,
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IPaddr_t *ip)
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{
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return 0;
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}
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static inline int globalvar_add(const char *name,
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int (*set)(struct device_d *dev, struct param_d *p, const char *val),
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const char *(*get)(struct device_d *, struct param_d *p),
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unsigned long flags)
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{
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return 0;
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}
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static inline char *globalvar_get_match(const char *match, const char *separator)
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{
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return NULL;
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}
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static inline void globalvar_set_match(const char *match, const char *val) {}
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static inline int nvvar_load(void)
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{
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return 0;
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}
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#endif
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#endif /* __GLOBALVAR_H */
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