arm64: ls1012afrdm: Add distro boot support
[platform/kernel/u-boot.git] / include / image-sparse.h
1 /*
2  * Copyright 2014 Broadcom Corporation.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <part.h>
8 #include <sparse_format.h>
9
10 #define ROUNDUP(x, y)   (((x) + ((y) - 1)) & ~((y) - 1))
11
12 struct sparse_storage {
13         lbaint_t        blksz;
14         lbaint_t        start;
15         lbaint_t        size;
16         void            *priv;
17
18         lbaint_t        (*write)(struct sparse_storage *info,
19                                  lbaint_t blk,
20                                  lbaint_t blkcnt,
21                                  const void *buffer);
22
23         lbaint_t        (*reserve)(struct sparse_storage *info,
24                                  lbaint_t blk,
25                                  lbaint_t blkcnt);
26 };
27
28 static inline int is_sparse_image(void *buf)
29 {
30         sparse_header_t *s_header = (sparse_header_t *)buf;
31
32         if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
33             (le16_to_cpu(s_header->major_version) == 1))
34                 return 1;
35
36         return 0;
37 }
38
39 void write_sparse_image(struct sparse_storage *info, const char *part_name,
40                         void *data, unsigned sz);