los_partition_utils.h 文件参考

浏览源代码.

结构体
struct	PartitionInfo
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函数
INT32	GetPartitionInfo (struct PartitionInfo *partInfo)
const CHAR *	GetDevNameOfPartition (const struct PartitionInfo *partInfo)
INT32	ResetDevNameofPartition (const struct PartitionInfo *partInfo)

函数说明

GetDevNameOfPartition()

const CHAR * GetDevNameOfPartition

(

const struct PartitionInfo *

partInfo

)

在文件 los_partition_utils.c 第 199 行定义.

{
    const CHAR *devName = NULL;
 
    if (strcmp(partInfo->storageType, STORAGE_TYPE) == 0) {
#if defined(LOSCFG_STORAGE_SPINOR)
        INT32 ret = add_mtd_partition(FLASH_TYPE, partInfo->startAddr, partInfo->partSize, partInfo->partNum);
        if (ret != LOS_OK) {
            PRINT_ERR("Failed to add %s partition! error = %d\n", partInfo->partName, ret);
        } else {
            if (partInfo->devName != NULL) {
                devName = partInfo->devName;
            }
        }
#endif
    } else {
        PRINT_ERR("Failed to find %s dev type: %s\n", partInfo->partName, partInfo->storageType);
    }
 
    return devName;
}

函数调用图:

这是这个函数的调用关系图:

GetPartitionInfo()

INT32 GetPartitionInfo

(

struct PartitionInfo *

partInfo

)

在文件 los_partition_utils.c 第 160 行定义.

{
    CHAR *args    = NULL;
    CHAR *argsBak = NULL;
    CHAR *p       = NULL;
 
    if (GetPartitionBootArgs(partInfo->cmdlineArgName, &args) != LOS_OK) {
        return LOS_NOK;
    }
    argsBak = args;
 
    p = strsep(&args, " ");
    while (p != NULL) {
        if (MatchPartInfo(p, partInfo) != LOS_OK) {
            goto ERROUT;
        }
        p = strsep(&args, " ");
    }
    if ((partInfo->fsType != NULL) && (partInfo->storageType != NULL)) {
        free(argsBak);
        return LOS_OK;
    }
    PRINT_ERR("Cannot find %s type\n", partInfo->partName);
 
ERROUT:
    PRINT_ERR("Invalid %s information!\n", partInfo->partName);
    if (partInfo->storageType != NULL) {
        free(partInfo->storageType);
        partInfo->storageType = NULL;
    }
    if (partInfo->fsType != NULL) {
        free(partInfo->fsType);
        partInfo->fsType = NULL;
    }
    free(argsBak);
 
    return LOS_NOK;
}

函数调用图:

这是这个函数的调用关系图:

ResetDevNameofPartition()

INT32 ResetDevNameofPartition

(

const struct PartitionInfo *

partInfo

)

在文件 los_partition_utils.c 第 221 行定义.

{
    INT32 ret;
#if defined(LOSCFG_STORAGE_SPINOR)
    ret = delete_mtd_partition(partInfo->partNum, FLASH_TYPE);
    if (ret != ENOERR) {
        int err = get_errno();
        PRINT_ERR("Failed to delete %s, errno %d: %s\n", partInfo->devName, err, strerror(err));
        ret = LOS_NOK;
    }
#else
    ret = LOS_NOK;
#endif
    return ret;
}

函数调用图:

这是这个函数的调用关系图: