mtdsplit.h 1.3 KB

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  1. /*
  2. * Copyright (C) 2009-2013 Felix Fietkau <nbd@openwrt.org>
  3. * Copyright (C) 2009-2013 Gabor Juhos <juhosg@openwrt.org>
  4. * Copyright (C) 2012 Jonas Gorski <jogo@openwrt.org>
  5. * Copyright (C) 2013 Hauke Mehrtens <hauke@hauke-m.de>
  6. *
  7. * This program is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License version 2 as published
  9. * by the Free Software Foundation.
  10. *
  11. */
  12. #ifndef _MTDSPLIT_H
  13. #define _MTDSPLIT_H
  14. #define KERNEL_PART_NAME "kernel"
  15. #define ROOTFS_PART_NAME "rootfs"
  16. #define ROOTFS_SPLIT_NAME "rootfs_data"
  17. #ifdef CONFIG_MTD_SPLIT
  18. int mtd_get_squashfs_len(struct mtd_info *master,
  19. size_t offset,
  20. size_t *squashfs_len);
  21. int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset);
  22. int mtd_find_rootfs_from(struct mtd_info *mtd,
  23. size_t from,
  24. size_t limit,
  25. size_t *ret_offset);
  26. #else
  27. static inline int mtd_get_squashfs_len(struct mtd_info *master,
  28. size_t offset,
  29. size_t *squashfs_len)
  30. {
  31. return -ENODEV;
  32. }
  33. static inline int mtd_check_rootfs_magic(struct mtd_info *mtd, size_t offset)
  34. {
  35. return -EINVAL;
  36. }
  37. static inline int mtd_find_rootfs_from(struct mtd_info *mtd,
  38. size_t from,
  39. size_t limit,
  40. size_t *ret_offset)
  41. {
  42. return -ENODEV;
  43. }
  44. #endif /* CONFIG_MTD_SPLIT */
  45. #endif /* _MTDSPLIT_H */