[J-u-boot.git] / include / image-sparse.h

/*
 * Copyright 2014 Broadcom Corporation.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <part.h>
#include <sparse_format.h>

#define ROUNDUP(x, y)	(((x) + ((y) - 1)) & ~((y) - 1))

typedef struct sparse_storage {
	unsigned int	block_sz;
	unsigned int	start;
	unsigned int	size;
	const char	*name;

	int	(*write)(struct sparse_storage *storage, void *priv,
			 unsigned int offset, unsigned int size,
			 char *data);
} sparse_storage_t;

static inline int is_sparse_image(void *buf)
{
	sparse_header_t *s_header = (sparse_header_t *)buf;

	if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
	    (le16_to_cpu(s_header->major_version) == 1))
		return 1;

	return 0;
}

int store_sparse_image(sparse_storage_t *storage, void *storage_priv,
		       unsigned int session_id, void *data);
Commit	Line	Data
e6ca1ad6 SR	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
a5d1e04a MR	12	typedef struct sparse_storage {
	13	unsigned int block_sz;
	14	unsigned int start;
	15	unsigned int size;
	16	const char *name;
	17
	18	int (write)(struct sparse_storage storage, void *priv,
	19	unsigned int offset, unsigned int size,
	20	char *data);
	21	} sparse_storage_t;
	22
e6ca1ad6 SR	23	static inline int is_sparse_image(void *buf)
	24	{
	25	sparse_header_t s_header = (sparse_header_t )buf;
	26
	27	if ((le32_to_cpu(s_header->magic) == SPARSE_HEADER_MAGIC) &&
	28	(le16_to_cpu(s_header->major_version) == 1))
	29	return 1;
	30
	31	return 0;
	32	}
	33
a5d1e04a	34	int store_sparse_image(sparse_storage_t storage, void storage_priv,
6c9e00ee	35	unsigned int session_id, void *data);