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-rw-r--r--include/image-sparse.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/image-sparse.h b/include/image-sparse.h
new file mode 100644
index 0000000..0382f5b
--- /dev/null
+++ b/include/image-sparse.h
@@ -0,0 +1,35 @@
+/*
+ * 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);