arm: kirkwood: Enable bootstd for Sheevaplug board

[J-u-boot.git] / include / ext4fs.h

diff --git a/include/ext4fs.h b/include/ext4fs.h
index d96edfd0576cefaacbd7900d7287caf420f1ce78..fe3fb301ec88ece5286b87f56be180bbdc5cf87c 100644 (file)
--- a/include/ext4fs.h
+++ b/include/ext4fs.h
@@ -27,6 +27,7 @@
 #ifndef __EXT4__
 #define __EXT4__
 #include <ext_common.h>
+#include <fs.h>
 
 struct disk_partition;
 
@@ -34,12 +35,63 @@ struct disk_partition;
 #define EXT4_TOPDIR_FL         0x00020000 /* Top of directory hierarchies*/
 #define EXT4_EXTENTS_FL                0x00080000 /* Inode uses extents */
 #define EXT4_EXT_MAGIC                 0xf30a
-#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM        0x0010
+
+#define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER  0x0001
+#define EXT4_FEATURE_RO_COMPAT_LARGE_FILE    0x0002
+#define EXT4_FEATURE_RO_COMPAT_BTREE_DIR     0x0004
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE     0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM      0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK     0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE   0x0040
+#define EXT4_FEATURE_RO_COMPAT_QUOTA         0x0100
+#define EXT4_FEATURE_RO_COMPAT_BIGALLOC      0x0200
 #define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400
+
+#define EXT4_FEATURE_INCOMPAT_FILETYPE  0x0002
+#define EXT4_FEATURE_INCOMPAT_RECOVER   0x0004
 #define EXT4_FEATURE_INCOMPAT_EXTENTS  0x0040
 #define EXT4_FEATURE_INCOMPAT_64BIT    0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP       0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG   0x0200
+#define EXT4_FEATURE_INCOMPAT_CSUM_SEED 0x2000
+#define EXT4_FEATURE_INCOMPAT_ENCRYPT   0x10000
+
 #define EXT4_INDIRECT_BLOCKS           12
 
+/*
+ * Incompat features supported by this implementation.
+ */
+#define EXT4_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE | \
+                                  EXT4_FEATURE_INCOMPAT_RECOVER | \
+                                  EXT4_FEATURE_INCOMPAT_EXTENTS | \
+                                  EXT4_FEATURE_INCOMPAT_64BIT | \
+                                  EXT4_FEATURE_INCOMPAT_FLEX_BG)
+
+/*
+ * Incompat features supported by this implementation only in a lazy
+ * way, good enough for reading files.
+ *
+ * - Multi mount protection (mmp) is not supported, but for read-only
+ *   we get away with it.
+ * - Same for metadata_csum_seed and metadata_csum.
+ * - The implementation has also no clue about fscrypt, but it can read
+ *   unencrypted files. Reading encrypted files will read garbage.
+ */
+#define EXT4_FEATURE_INCOMPAT_SUPP_LAZY_RO (EXT4_FEATURE_INCOMPAT_MMP | \
+                                          EXT4_FEATURE_INCOMPAT_CSUM_SEED | \
+                                          EXT4_FEATURE_INCOMPAT_ENCRYPT)
+
+/*
+ * Read-only compat features we support.
+ * If unknown ro compat features are detected, writing to the fs is denied.
+ */
+#define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER | \
+                                   EXT4_FEATURE_RO_COMPAT_LARGE_FILE | \
+                                   EXT4_FEATURE_RO_COMPAT_HUGE_FILE | \
+                                   EXT4_FEATURE_RO_COMPAT_GDT_CSUM | \
+                                   EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \
+                                   EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE)
+
 #define EXT4_BG_INODE_UNINIT           0x0001
 #define EXT4_BG_BLOCK_UNINIT           0x0002
 #define EXT4_BG_INODE_ZEROED           0x0004
@@ -167,4 +219,7 @@ int ext4fs_uuid(char *uuid_str);
 void ext_cache_init(struct ext_block_cache *cache);
 void ext_cache_fini(struct ext_block_cache *cache);
 int ext_cache_read(struct ext_block_cache *cache, lbaint_t block, int size);
+int ext4fs_opendir(const char *dirname, struct fs_dir_stream **dirsp);
+int ext4fs_readdir(struct fs_dir_stream *dirs, struct fs_dirent **dentp);
+void ext4fs_closedir(struct fs_dir_stream *dirs);
 #endif