Fix compile warnings for 16 bit machines

[lwext4.git] / lwext4 / ext4_types.h

diff --git a/lwext4/ext4_types.h b/lwext4/ext4_types.h
index 86ed318a1565c997a9d823f761baa7b26b5c254b..cdd298f20c596bbb7570caac2200c8528cc0642c 100644 (file)
--- a/lwext4/ext4_types.h
+++ b/lwext4/ext4_types.h
@@ -44,6 +44,7 @@
 
 #include "ext4_config.h"
 #include "ext4_blockdev.h"
+#include "tree.h"
 
 #include <stdint.h>
 
@@ -458,14 +459,15 @@ struct ext4_inode_ref {
 
 #define EXT4_DIRECTORY_FILENAME_LEN 255
 
-#define EXT4_DIRECTORY_FILETYPE_UNKNOWN 0
-#define EXT4_DIRECTORY_FILETYPE_REG_FILE 1
-#define EXT4_DIRECTORY_FILETYPE_DIR 2
-#define EXT4_DIRECTORY_FILETYPE_CHRDEV 3
-#define EXT4_DIRECTORY_FILETYPE_BLKDEV 4
-#define EXT4_DIRECTORY_FILETYPE_FIFO 5
-#define EXT4_DIRECTORY_FILETYPE_SOCK 6
-#define EXT4_DIRECTORY_FILETYPE_SYMLINK 7
+/**@brief   Directory entry types. */
+enum { EXT4_DIRENTRY_UNKNOWN = 0,
+       EXT4_DIRENTRY_REG_FILE,
+       EXT4_DIRENTRY_DIR,
+       EXT4_DIRENTRY_CHRDEV,
+       EXT4_DIRENTRY_BLKDEV,
+       EXT4_DIRENTRY_FIFO,
+       EXT4_DIRENTRY_SOCK,
+       EXT4_DIRENTRY_SYMLINK };
 
 union ext4_directory_entry_ll_internal {
        uint8_t name_length_high; /* Higher 8 bits of name length */
@@ -627,6 +629,111 @@ struct ext4_hash_info {
        const uint32_t *seed;
 };
 
+/* Extended Attribute(EA) */
+
+/* Magic value in attribute blocks */
+#define EXT4_XATTR_MAGIC               0xEA020000
+
+/* Maximum number of references to one attribute block */
+#define EXT4_XATTR_REFCOUNT_MAX                1024
+
+/* Name indexes */
+#define EXT4_XATTR_INDEX_USER                  1
+#define EXT4_XATTR_INDEX_POSIX_ACL_ACCESS      2
+#define EXT4_XATTR_INDEX_POSIX_ACL_DEFAULT     3
+#define EXT4_XATTR_INDEX_TRUSTED               4
+#define        EXT4_XATTR_INDEX_LUSTRE                 5
+#define EXT4_XATTR_INDEX_SECURITY              6
+#define EXT4_XATTR_INDEX_SYSTEM                        7
+#define EXT4_XATTR_INDEX_RICHACL               8
+#define EXT4_XATTR_INDEX_ENCRYPTION            9
+
+struct ext4_xattr_header {
+       uint32_t h_magic;       /* magic number for identification */
+       uint32_t h_refcount;    /* reference count */
+       uint32_t h_blocks;      /* number of disk blocks used */
+       uint32_t h_hash;                /* hash value of all attributes */
+       uint32_t h_checksum;    /* crc32c(uuid+id+xattrblock) */
+                               /* id = inum if refcount=1, blknum otherwise */
+       uint32_t h_reserved[3]; /* zero right now */
+} __attribute__((packed));
+
+struct ext4_xattr_ibody_header {
+       uint32_t h_magic;       /* magic number for identification */
+} __attribute__((packed));
+
+struct ext4_xattr_entry {
+       uint8_t e_name_len;     /* length of name */
+       uint8_t e_name_index;   /* attribute name index */
+       uint16_t e_value_offs;  /* offset in disk block of value */
+       uint32_t e_value_block; /* disk block attribute is stored on (n/i) */
+       uint32_t e_value_size;  /* size of attribute value */
+       uint32_t e_hash;                /* hash value of name and value */
+} __attribute__((packed));
+
+struct ext4_xattr_item {
+       uint8_t name_index;
+       char  *name;
+       size_t name_len;
+       void  *data;
+       size_t data_size;
+
+       RB_ENTRY(ext4_xattr_item) node;
+};
+
+struct ext4_xattr_ref {
+       bool block_loaded;
+       struct ext4_block block;
+       struct ext4_inode_ref *inode_ref;
+       bool   dirty;
+       size_t ea_size;
+       struct ext4_fs *fs;
+
+       struct ext4_xattr_item *iter_from;
+
+       RB_HEAD(ext4_xattr_tree,
+               ext4_xattr_item) root;
+};
+
+#define EXT4_XATTR_ITERATE_CONT 0
+#define EXT4_XATTR_ITERATE_STOP 1
+#define EXT4_XATTR_ITERATE_PAUSE 2
+
+#define EXT4_GOOD_OLD_INODE_SIZE       128
+
+#define EXT4_XATTR_PAD_BITS            2
+#define EXT4_XATTR_PAD         (1<<EXT4_XATTR_PAD_BITS)
+#define EXT4_XATTR_ROUND               (EXT4_XATTR_PAD-1)
+#define EXT4_XATTR_LEN(name_len) \
+       (((name_len) + EXT4_XATTR_ROUND + \
+       sizeof(struct ext4_xattr_entry)) & ~EXT4_XATTR_ROUND)
+#define EXT4_XATTR_NEXT(entry) \
+       ((struct ext4_xattr_entry *)( \
+        (char *)(entry) + EXT4_XATTR_LEN((entry)->e_name_len)))
+#define EXT4_XATTR_SIZE(size) \
+       (((size) + EXT4_XATTR_ROUND) & ~EXT4_XATTR_ROUND)
+#define EXT4_XATTR_NAME(entry) \
+       ((char *)((entry) + 1))
+
+#define EXT4_XATTR_IHDR(raw_inode) \
+       ((struct ext4_xattr_ibody_header *) \
+               ((char *)raw_inode + \
+               EXT4_GOOD_OLD_INODE_SIZE + \
+               (raw_inode)->extra_isize))
+#define EXT4_XATTR_IFIRST(hdr) \
+       ((struct ext4_xattr_entry *)((hdr)+1))
+
+#define EXT4_XATTR_BHDR(block) \
+       ((struct ext4_xattr_header *)((block)->data))
+#define EXT4_XATTR_ENTRY(ptr) \
+       ((struct ext4_xattr_entry *)(ptr))
+#define EXT4_XATTR_BFIRST(block) \
+       EXT4_XATTR_ENTRY(EXT4_XATTR_BHDR(block)+1)
+#define EXT4_XATTR_IS_LAST_ENTRY(entry) \
+       (*(uint32_t *)(entry) == 0)
+
+#define EXT4_ZERO_XATTR_VALUE ((void *)-1)
+
 /*****************************************************************************/
 
 #ifdef CONFIG_BIG_ENDIAN