56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
|
|
* Copyright (C) 2007 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef MTDUTILS_H_
|
|
#define MTDUTILS_H_
|
|
|
|
#include <sys/types.h> // for size_t, etc.
|
|
|
|
typedef struct MtdPartition MtdPartition;
|
|
|
|
int mtd_scan_partitions(void);
|
|
|
|
const MtdPartition *mtd_find_partition_by_name(const char *name);
|
|
|
|
/* mount_point is like "/system"
|
|
* filesystem is like "yaffs2"
|
|
*/
|
|
int mtd_mount_partition(const MtdPartition *partition, const char *mount_point,
|
|
const char *filesystem, int read_only);
|
|
|
|
/* get the partition and the minimum erase/write block size. NULL is ok.
|
|
*/
|
|
int mtd_partition_info(const MtdPartition *partition,
|
|
size_t *total_size, size_t *erase_size, size_t *write_size);
|
|
|
|
/* read or write raw data from a partition, starting at the beginning.
|
|
* skips bad blocks as best we can.
|
|
*/
|
|
typedef struct MtdReadContext MtdReadContext;
|
|
typedef struct MtdWriteContext MtdWriteContext;
|
|
|
|
MtdReadContext *mtd_read_partition(const MtdPartition *);
|
|
ssize_t mtd_read_data(MtdReadContext *, char *data, size_t data_len);
|
|
void mtd_read_close(MtdReadContext *);
|
|
|
|
MtdWriteContext *mtd_write_partition(const MtdPartition *);
|
|
ssize_t mtd_write_data(MtdWriteContext *, const char *data, size_t data_len);
|
|
off_t mtd_erase_blocks(MtdWriteContext *, int blocks); /* 0 ok, -1 for all */
|
|
off_t mtd_find_write_start(MtdWriteContext *ctx, off_t pos);
|
|
int mtd_write_close(MtdWriteContext *);
|
|
|
|
#endif // MTDUTILS_H_
|