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
14 struct 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
is_sparse_image(void * buf)32 static 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
43 int write_sparse_image(struct sparse_storage *info, const char *part_name,
44 void *data, char *response);
45