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