[people/ms/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))

struct sparse_storage {
	lbaint_t	blksz;
	lbaint_t	start;
	lbaint_t	size;
	void		*priv;

	lbaint_t	(*write)(struct sparse_storage *info,
				 lbaint_t blk,
				 lbaint_t blkcnt,
				 const void *buffer);

	lbaint_t	(*reserve)(struct sparse_storage *info,
				 lbaint_t blk,
				 lbaint_t blkcnt);
};

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;
}

void write_sparse_image(struct sparse_storage *info, const char *part_name,
			void *data, unsigned sz);
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
cc0f08cd SR	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);
2c724046 SR	22
	23	lbaint_t (reserve)(struct sparse_storage info,
	24	lbaint_t blk,
	25	lbaint_t blkcnt);
cc0f08cd	26	};
a5d1e04a	27
e6ca1ad6 SR	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
cc0f08cd	39	void write_sparse_image(struct sparse_storage info, const char part_name,
9bc34799	40	void *data, unsigned sz);