1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2014 Broadcom Corporation.
4 */
5
6#include <compiler.h>
7#include <part.h>
8#include <sparse_format.h>
9
10#define FASTBOOT_MAX_BLK_WRITE 16384
11
12#define ROUNDUP(x, y)	(((x) + ((y) - 1)) & ~((y) - 1))
13
14struct sparse_storage {
15	lbaint_t	blksz;
16	lbaint_t	start;
17	lbaint_t	size;
18	void		*priv;
19
20	lbaint_t	(*write)(struct sparse_storage *info,
21				 lbaint_t blk,
22				 lbaint_t blkcnt,
23				 const void *buffer);
24
25	lbaint_t	(*reserve)(struct sparse_storage *info,
26				 lbaint_t blk,
27				 lbaint_t blkcnt);
28
29	void		(*mssg)(const char *str, char *response);
30};
31
32static inline int is_sparse_image(void *buf)
33{
34	sparse_header_t *s_header = (sparse_header_t *)buf;
35
36	if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
37	    (le16_to_cpu(s_header->major_version) == 1))
38		return 1;
39
40	return 0;
41}
42
43int write_sparse_image(struct sparse_storage *info, const char *part_name,
44		       void *data, char *response);
45