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Diffstat (limited to 'include/boot/flash.h')
-rw-r--r-- | include/boot/flash.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/boot/flash.h b/include/boot/flash.h new file mode 100644 index 0000000..c746415 --- /dev/null +++ b/include/boot/flash.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _INCLUDE_BOOT_FLASH_H_ +#define _INCLUDE_BOOT_FLASH_H_ + +typedef struct flash_ops flash_ops; +typedef struct ptentry ptentry; + +/* flash partitions are defined in terms of blocks +** (flash erase units) +*/ +struct ptentry +{ + char name[16]; + unsigned start; + unsigned length; + unsigned flags; +}; + +/* tools to populate and query the partition table */ +void flash_add_ptn(ptentry *ptn); +ptentry *flash_find_ptn(const char *name); +ptentry *flash_get_ptn(unsigned n); +unsigned flash_get_ptn_count(void); +void flash_dump_ptn(void); + +int flash_init(void); +int flash_erase(ptentry *ptn); +int flash_read_ext(ptentry *ptn, unsigned extra_per_page, unsigned offset, + void *data, unsigned bytes); +#define flash_read(ptn, offset, data, bytes) flash_read_ext(ptn, 0, offset, data, bytes) +int flash_write(ptentry *ptn, unsigned extra_per_page, + const void *data, unsigned bytes); +#endif |