LXR uboot/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
  12struct 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
  28static 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
  39void write_sparse_image(struct sparse_storage *info, const char *part_name,
  40                        void *data, unsigned sz);
  41