Initial Contribution

1 files changed, 54 insertions, 0 deletions

diff --git a/mtdutils/mtdutils.h b/mtdutils/mtdutils.h
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+++ b/mtdutils/mtdutils.h
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+/*
+ * 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 */
+int mtd_write_close(MtdWriteContext *);
+
+#endif  // MTDUTILS_H_