nv_storage.h

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/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2021-2022. All rights reserved.
 * Description: KEY VALUE STORAGE INTERNAL INTERFACE
 */
 
#ifndef NV_STORAGE_H
#define NV_STORAGE_H
 
#include "nv_notify.h"
#include "nv.h"
 
#include "errcode.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
typedef enum {
    NV_ATTRIBUTE_NORMAL       = 0x0,    /* Default type, no special attribute */
    NV_ATTRIBUTE_PERMANENT    = 0x1,    /* Key is permanent and can't be deleted or modified */
    NV_ATTRIBUTE_ENCRYPTED    = 0x2,    /* Key is encrypted in flash, The key can be encrypted permanently */
    NV_ATTRIBUTE_NON_UPGRADE  = 0x4
} nv_attributes_t;
 
nv_direct_ctrl_t *nv_direct_get_nv_ctrl(void);
 
errcode_t uapi_nv_write_force(uint16_t key, const uint8_t *kvalue, uint16_t kvalue_length);
 
errcode_t uapi_nv_delete_key(uint16_t key);
 
errcode_t uapi_nv_update_key_attr(uint16_t key, nv_key_attr_t *attr, nv_storage_completed_callback func);
 
errcode_t uapi_nv_get_key_attr(uint16_t key, uint16_t *length, nv_key_attr_t *attr);
 
bool uapi_nv_is_stored(uint16_t key, uint16_t kvalue_length, const uint8_t *kvalue);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif /* NV_STORAGE_H */