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 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 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 34 int store_sparse_image(sparse_storage_t *storage, void *storage_priv, 35 unsigned int session_id, void *data); 36