Fork of the vendor (Boundary Devices) u-boot for Reform 2, with minor tweaks. The goal is to migrate to mainstream u-boot or barebox ASAP. The main impediment so far is the 4GB RAM config.
Nevar pievienot vairāk kā 25 tēmas Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
 
 
 
 
 
 

88 rindas
2.4 KiB

  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * BTRFS filesystem implementation for U-Boot
  4. *
  5. * 2017 Marek Behun, CZ.NIC, marek.behun@nic.cz
  6. */
  7. #ifndef __BTRFS_BTRFS_H__
  8. #define __BTRFS_BTRFS_H__
  9. #include <linux/rbtree.h>
  10. #include "conv-funcs.h"
  11. struct btrfs_info {
  12. struct btrfs_super_block sb;
  13. struct btrfs_root tree_root;
  14. struct btrfs_root fs_root;
  15. struct btrfs_root chunk_root;
  16. struct rb_root chunks_root;
  17. };
  18. extern struct btrfs_info btrfs_info;
  19. /* hash.c */
  20. void btrfs_hash_init(void);
  21. u32 btrfs_crc32c(u32, const void *, size_t);
  22. u32 btrfs_csum_data(char *, u32, size_t);
  23. void btrfs_csum_final(u32, void *);
  24. static inline u64 btrfs_name_hash(const char *name, int len)
  25. {
  26. return btrfs_crc32c((u32) ~1, name, len);
  27. }
  28. /* dev.c */
  29. extern struct blk_desc *btrfs_blk_desc;
  30. extern disk_partition_t *btrfs_part_info;
  31. int btrfs_devread(u64, int, void *);
  32. /* chunk-map.c */
  33. u64 btrfs_map_logical_to_physical(u64);
  34. int btrfs_chunk_map_init(void);
  35. void btrfs_chunk_map_exit(void);
  36. int btrfs_read_chunk_tree(void);
  37. /* compression.c */
  38. u32 btrfs_decompress(u8 type, const char *, u32, char *, u32);
  39. /* super.c */
  40. int btrfs_read_superblock(void);
  41. /* dir-item.c */
  42. typedef int (*btrfs_readdir_callback_t)(const struct btrfs_root *,
  43. struct btrfs_dir_item *);
  44. int btrfs_lookup_dir_item(const struct btrfs_root *, u64, const char *, int,
  45. struct btrfs_dir_item *);
  46. int btrfs_readdir(const struct btrfs_root *, u64, btrfs_readdir_callback_t);
  47. /* root.c */
  48. int btrfs_find_root(u64, struct btrfs_root *, struct btrfs_root_item *);
  49. u64 btrfs_lookup_root_ref(u64, struct btrfs_root_ref *, char *);
  50. /* inode.c */
  51. u64 btrfs_lookup_inode_ref(struct btrfs_root *, u64, struct btrfs_inode_ref *,
  52. char *);
  53. int btrfs_lookup_inode(const struct btrfs_root *, struct btrfs_key *,
  54. struct btrfs_inode_item *, struct btrfs_root *);
  55. int btrfs_readlink(const struct btrfs_root *, u64, char *);
  56. u64 btrfs_lookup_path(struct btrfs_root *, u64, const char *, u8 *,
  57. struct btrfs_inode_item *, int);
  58. u64 btrfs_file_read(const struct btrfs_root *, u64, u64, u64, char *);
  59. /* subvolume.c */
  60. u64 btrfs_get_default_subvol_objectid(void);
  61. /* extent-io.c */
  62. u64 btrfs_read_extent_inline(struct btrfs_path *,
  63. struct btrfs_file_extent_item *, u64, u64,
  64. char *);
  65. u64 btrfs_read_extent_reg(struct btrfs_path *, struct btrfs_file_extent_item *,
  66. u64, u64, char *);
  67. #endif /* !__BTRFS_BTRFS_H__ */