nv_async_store.h

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/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
 * Description: NV Async Store Used Hash
 */
 
#ifndef NV_ASYNC_STORE_H
#define NV_ASYNC_STORE_H
 
#include "nv.h"
#include "nv_store.h"
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
 
typedef struct nv_key_map {
    uint16_t key_id;                /* Key ID */
    uint16_t key_len    : 13;       /* Key length */
    uint16_t permanent  : 1;        /* 是否是永久Key */
    uint16_t encrypted  : 1;        /* 是否是加密Key */
    uint16_t upgrade    : 1;        /* 是否可以升级 */
    uint8_t  kvalue[0];             /* key value */
} nv_key_map_t;
 
typedef struct {
    uint16_t key_id;
    uintptr_t key_ram_location;
} nv_queue_msg_handle_t;
 
errcode_t nv_async_read_with_attr(uint16_t key, uint16_t kvalue_max_length,
    uint16_t *kvalue_length, uint8_t *kvalue, nv_key_attr_t *attr);
 
errcode_t nv_async_write_with_attr(uint16_t key, const uint8_t *kvalue,
    uint16_t kvalue_length, nv_key_attr_t *attr, nv_storage_completed_callback func);
 
errcode_t nv_async_init(kv_store_t store, uint8_t num_pages);
errcode_t nv_async_flush(void);
 
errcode_t nv_key_map_init(kv_store_t store, uint8_t num_pages);
 
 
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
 
#endif /* NV_ASYNC_STORE_H */