xref: /aosp_15_r20/external/flashrom/include/erasure_layout.h (revision 0d6140be3aa665ecc836e8907834fcd3e3b018fc)
1 /*
2  * This file is part of the flashrom project.
3  *
4  * Copyright (C) 2022 Aarya Chaumal
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  */
16 
17 #ifndef __ERASURE_LAYOUT_H__
18 #define __ERASURE_LAYOUT_H__ 1
19 
20 struct eraseblock_data {
21 	chipoff_t start_addr;
22 	chipoff_t end_addr;
23 	bool selected;
24 	size_t block_num;
25 	size_t first_sub_block_index;
26 	size_t last_sub_block_index;
27 };
28 
29 struct erase_layout {
30 	struct eraseblock_data* layout_list;
31 	size_t block_count;
32 	const struct block_eraser *eraser;
33 };
34 
35 void free_erase_layout(struct erase_layout *layout, unsigned int erasefn_count);
36 int create_erase_layout(struct flashctx *const flashctx, struct erase_layout **erase_layout);
37 int erase_write(struct flashctx *const flashctx, chipoff_t region_start, chipoff_t region_end,
38 		uint8_t* curcontents, uint8_t* newcontents,
39 		struct erase_layout *erase_layout, bool *all_skipped);
40 
41 #endif		/* !__ERASURE_LAYOUT_H__ */
42