From c24a8e688a6312764254beac2b2520bb0c5e998d Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:28:42 -0800 Subject: auto import from //depot/cupcake/@135843 --- mtdutils/mtdutils.h | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 mtdutils/mtdutils.h (limited to 'mtdutils/mtdutils.h') diff --git a/mtdutils/mtdutils.h b/mtdutils/mtdutils.h new file mode 100644 index 000000000..8d2cb56b1 --- /dev/null +++ b/mtdutils/mtdutils.h @@ -0,0 +1,54 @@ +/* + * 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 // 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 */ +int mtd_write_close(MtdWriteContext *); + +#endif // MTDUTILS_H_ -- cgit v1.2.3