| #ifndef __LIBCPNV_H
|
| #define __LIBCPNV_H
|
|
|
|
|
| enum FS_PARTITION_NO {
|
| FS_IMAGEFS,
|
| FS_RESOURCEFS,
|
| FS_NVROFS,
|
| FS_PARTITION_NO_MAX
|
| };
|
|
|
| #define SYSCALL_jffs2_quick_gc_wait_done 385
|
|
|
| #define CPNV_OK (0)
|
| #define CPNV_ERROR (0xFFFFFFFF)
|
|
|
| /** |
| * @brief 写CP侧NVRW区NV项 |
| * @param NvItemID 入参，NV项ID |
| * @param NvItemData 入参，写入NV项数据缓冲区 |
| * @param NvItemLen 入参，写入NV项数据缓冲区长度 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note |
| * @warning 数据先写到内存，定时刷新到flash。如果要求及时刷新到flash需要再调用cpnv_NvramFlush刷新 |
| */ |
| extern unsigned int cpnv_NvItemWrite(unsigned int NvItemID, unsigned char *NvItemData, unsigned int NvItemLen);
|
|
|
| /** |
| * @brief 读取CP侧NVRW区NV项 |
| * @param NvItemID 入参，NV项ID |
| * @param NvItemData 出参，读取NV项数据缓冲区 |
| * @param NvItemLen 入参，读取NV项数据缓冲区长度 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note |
| * @warning |
| */ |
| extern unsigned int cpnv_NvItemRead(unsigned int NvItemID, unsigned char *NvItemData, unsigned int NvItemLen);
|
|
|
| /** |
| * @brief 刷新NVRW区缓存数据到flash |
| * @param 无 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note |
| * @warning |
| */ |
| extern unsigned int cpnv_NvramFlush(void);
|
|
|
| /** |
| * @brief 写CP侧NVFAC区NV项 |
| * @param NvItemID 入参，NV项ID |
| * @param NvItemData 入参，写入NV项数据缓冲区 |
| * @param NvItemLen 入参，写入NV项数据缓冲区长度 |
| * @return 无 |
| * @retval |
| * @note |
| * @warning |
| */ |
| void cpnv_NvItemWriteFactory(unsigned int NvItemID, unsigned char *NvItemData, unsigned int NvItemLen); |
|
|
| /** |
| * @brief 写CP侧NVRO区NV项 |
| * @param NvItemID 入参，NV项ID |
| * @param NvItemData 入参，写入NV项数据缓冲区 |
| * @param NvItemLen 入参，写入NV项数据缓冲区长度 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note 调用之前要用cpnv_ChangeNvRoAttr设置为可写 |
| * @warning 调用后要用cpnv_ChangeNvRoAttr设置为只读，保护NVRO区数据 |
| */ |
| unsigned int cpnv_NvItemWriteNvro(unsigned int NvItemID, unsigned char *NvItemData, unsigned int NvItemLen); |
| |
| /** |
| * @brief NV恢复出厂数据 |
| * @param 无 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note |
| * @warning |
| */ |
| unsigned int cpnv_ResetNVFactory(void); |
| |
| /** |
| * @brief 设置NVRO区读写属性
|
| * @param writable为0设置NVRO区为只读，其他值设置为可写
|
| * @return CPNV_OK 成功，CPNV_ERROR 失败
|
| * @retval
|
| * @note
|
| * @warning
|
| */
|
| unsigned int cpnv_ChangeNvRoAttr(int writable);
|
|
|
| /**
|
| * @brief 设置imagefs/resource/nvrofs分区可写属性 |
| * @param partition_no取值自enum FS_PARTITION_NO；writable为0设置为只读，其他值设置为可写 |
| * @return CPNV_OK 成功，CPNV_ERROR 失败 |
| * @retval |
| * @note |
| * @warning |
| */ |
| unsigned int cpnv_ChangeFsPartitionAttr(int partition_no, int writable); |
| |
| /**
|
| * @brief 等待imagefs/resource/nvrofs 文件系统垃圾回收，partition_no取值自enum FS_PARTITION_NO
|
| * @param partition_no取值自enum FS_PARTITION_NO
|
| * @return CPNV_OK 成功，CPNV_ERROR 失败
|
| * @retval
|
| * @note
|
| * @warning 只能在整个该分区文件系统都写完毕后调用才有意义
|
| */
|
| unsigned int cpnv_FsGcWait(int partition_no);
|
|
|
| /**
|
| * @brief nvro备份
|
| * @param 无
|
| * @return CPNV_OK 成功，CPNV_ERROR 失败
|
| * @retval
|
| * @note
|
| * @warning nvrofs里nvroall.bin备份到nvrofs2
|
| */
|
| unsigned int cpnv_NvroBackup(void);
|
|
|
| /**
|
| * @brief nvro恢复
|
| * @param 无
|
| * @return CPNV_OK 成功，CPNV_ERROR 失败
|
| * @retval
|
| * @note
|
| * @warning nvrofs2里nvroall.bin恢复到nvrofs
|
| */
|
| unsigned int cpnv_NvroRestore(void);
|
|
|
| #endif // __LIBCPNV_H
|