src/lynq/lib/liblynq-fota/include/iot_rock.h

#ifndef _IOT_ROCK_H_
#define _IOT_ROCK_H_

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

/* public */

#define E_ROCK_SUCCESS (0)
#define E_ROCK_INVALID_DELTA (-1)
#define E_ROCK_DELTA_MISMATCH (-2)
#define E_ROCK_DELTA_CHUNK_MISMATCH (-3)
#define E_ROCK_READ_DELTA_ERROR (-4)
#define E_ROCK_READ_BLOCK_ERROR (-11)
#define E_ROCK_WRITE_BLOCK_ERROR (-12)
#define E_ROCK_RAM_NOT_ENOUGH (-20)
#define E_ROCK_INVALID_CTX	(-30)


#define PATCH_SYSTEM   (1)
#define PATCH_BOOT     (2)
#define PATCH_TEE      (3)
#define PATCH_MD1IMG   (4)
#define PATCH_MD1DSP   (5)
#define PATCH_VBMETA   (6)
#define PATCH_BL33     (7)
#define FULL_SYSTEM    (8)
#define FULL_BOOT      (9)
#define FULL_TEE       (10)
#define FULL_MD1IMG    (11)
#define FULL_MD1DSP    (12) 
#define FULL_VBMETA    (13)
#define FULL_BL33      (14)

#define MAX_OTA_ROLE   (14) 



#define MODE_NORMAL           0
#define MODE_A2B              1
#define MODE_B2A              2

#define WAIT            0xff
#define PASS             0
#define ERROR           -1

typedef struct {
	void* user_context;
	unsigned int rom_base;	// old rom start
	unsigned char* ram_base;	// ram working buffer start
	unsigned int ram_len; 		// ram working buffer len

	unsigned int backup_base;	// ram backup storage start
	unsigned int backup_len; 		// ram backup storage len

	unsigned int update_nvram;	// nvram update flag

	int read_rom_directly;
	int first_run;
} IOT_UPDATA_CONTEXT;


typedef struct {
	unsigned int sys;	//system 差分包大小
	unsigned int boot;	//boot   差分包大小
    unsigned int tee;	//tee    差分包大小
    unsigned int md1img;	//md1img    差分包大小
	unsigned int md1dsp;   //md1dsp   差分包大小
    unsigned int vbmeta;   //vbmeta   差分包大小	
    unsigned int bl33;	//bl33   差分包大小
	unsigned int full_sys;	//system 整包大小
	unsigned int full_boot;	//boot   
    unsigned int full_tee;	//tee    整包大小
    unsigned int full_md1img;	//    整包大小
    unsigned int full_md1dsp;	//md1dsp   整包大小
	unsigned int full_vbmeta;	//vbmeta  整包大小
	unsigned int full_bl33;	//bl33   整包大小
} DELTA_HEAD;

typedef struct {

    char fota_flag[32];	    //fota 标志保留 
    int  update_result;     //升级结果
	int  ota_run;            //  
	char cid[32];
	char did[32];
} UPDATE_INFO;


typedef struct {
	int  need_update;
    int  check_delta;
    int  check_rom;
	int  update_result;
	
} UPDATE_STATUS;


typedef struct {
	int  ota_run;
    UPDATE_STATUS  update_status[MAX_OTA_ROLE];
	int  update_result;
	int  switch_slot;
	
} OTA_STATUS;





//#define DELTA_HEARD_SIZE	(4*5)

#define DELTA_HEARD_SIZE	    (4*7 + 4*7)
#define DELTA_FULL_HEARD_SIZE   8



int iot_patch(IOT_UPDATA_CONTEXT* update_ctx);

unsigned int iot_hash(unsigned char *buf,unsigned int len, unsigned int* value);
int lynq_md5_file_verfy(char* filePath, char* file_md5);
//int md5_file_verfy_new(char* filePath, char* file_md5,int packe_len);
int lynq_rock_main(int first_run);
int lynq_fota_func(void);
int lynq_nand_open(const char *pathname, int flags);
ssize_t lynq_nand_read(int fd, void *buf, size_t count);
ssize_t lynq_nand_write(int fd, void *buf, size_t count);
int lynq_nand_close(int fd);
#endif