Initial commit

target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit.h

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2009-2013 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2009-2013 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2012 Jonas Gorski <jogo@openwrt.org>
+ * Copyright (C) 2013 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#ifndef _MTDSPLIT_H
+#define _MTDSPLIT_H
+
+#define KERNEL_PART_NAME	"kernel"
+#define ROOTFS_PART_NAME	"rootfs"
+#define UBI_PART_NAME		"ubi"
+
+#define ROOTFS_SPLIT_NAME	"rootfs_data"
+
+enum mtdsplit_part_type {
+	MTDSPLIT_PART_TYPE_UNK = 0,
+	MTDSPLIT_PART_TYPE_SQUASHFS,
+	MTDSPLIT_PART_TYPE_JFFS2,
+	MTDSPLIT_PART_TYPE_UBI,
+};
+
+#ifdef CONFIG_MTD_SPLIT
+int mtd_get_squashfs_len(struct mtd_info *master,
+			 size_t offset,
+			 size_t *squashfs_len);
+
+int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset,
+			   enum mtdsplit_part_type *type);
+
+int mtd_find_rootfs_from(struct mtd_info *mtd,
+			 size_t from,
+			 size_t limit,
+			 size_t *ret_offset,
+			 enum mtdsplit_part_type *type);
+
+#else
+static inline int mtd_get_squashfs_len(struct mtd_info *master,
+				       size_t offset,
+				       size_t *squashfs_len)
+{
+	return -ENODEV;
+}
+
+static inline int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset,
+					 enum mtdsplit_part_type *type)
+{
+	return -EINVAL;
+}
+
+static inline int mtd_find_rootfs_from(struct mtd_info *mtd,
+				       size_t from,
+				       size_t limit,
+				       size_t *ret_offset,
+				       enum mtdsplit_part_type *type)
+{
+	return -ENODEV;
+}
+#endif /* CONFIG_MTD_SPLIT */
+
+#endif /* _MTDSPLIT_H */