1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef __LINUX_JFFS2_H__ 20 #define __LINUX_JFFS2_H__ 21 #include <linux/types.h> 22 #include <linux/magic.h> 23 #define JFFS2_OLD_MAGIC_BITMASK 0x1984 24 #define JFFS2_MAGIC_BITMASK 0x1985 25 #define KSAMTIB_CIGAM_2SFFJ 0x8519 26 #define JFFS2_EMPTY_BITMASK 0xffff 27 #define JFFS2_DIRTY_BITMASK 0x0000 28 #define JFFS2_SUM_MAGIC 0x02851885 29 #define JFFS2_MAX_NAME_LEN 254 30 #define JFFS2_MIN_DATA_LEN 128 31 #define JFFS2_COMPR_NONE 0x00 32 #define JFFS2_COMPR_ZERO 0x01 33 #define JFFS2_COMPR_RTIME 0x02 34 #define JFFS2_COMPR_RUBINMIPS 0x03 35 #define JFFS2_COMPR_COPY 0x04 36 #define JFFS2_COMPR_DYNRUBIN 0x05 37 #define JFFS2_COMPR_ZLIB 0x06 38 #define JFFS2_COMPR_LZO 0x07 39 #define JFFS2_COMPAT_MASK 0xc000 40 #define JFFS2_NODE_ACCURATE 0x2000 41 #define JFFS2_FEATURE_INCOMPAT 0xc000 42 #define JFFS2_FEATURE_ROCOMPAT 0x8000 43 #define JFFS2_FEATURE_RWCOMPAT_COPY 0x4000 44 #define JFFS2_FEATURE_RWCOMPAT_DELETE 0x0000 45 #define JFFS2_NODETYPE_DIRENT (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 1) 46 #define JFFS2_NODETYPE_INODE (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 2) 47 #define JFFS2_NODETYPE_CLEANMARKER (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3) 48 #define JFFS2_NODETYPE_PADDING (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 4) 49 #define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6) 50 #define JFFS2_NODETYPE_XATTR (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 8) 51 #define JFFS2_NODETYPE_XREF (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 9) 52 #define JFFS2_XPREFIX_USER 1 53 #define JFFS2_XPREFIX_SECURITY 2 54 #define JFFS2_XPREFIX_ACL_ACCESS 3 55 #define JFFS2_XPREFIX_ACL_DEFAULT 4 56 #define JFFS2_XPREFIX_TRUSTED 5 57 #define JFFS2_ACL_VERSION 0x0001 58 #define JFFS2_INO_FLAG_PREREAD 1 59 #define JFFS2_INO_FLAG_USERCOMPR 2 60 typedef struct { 61 __u32 v32; 62 } __attribute__((packed)) jint32_t; 63 typedef struct { 64 __u32 m; 65 } __attribute__((packed)) jmode_t; 66 typedef struct { 67 __u16 v16; 68 } __attribute__((packed)) jint16_t; 69 struct jffs2_unknown_node { 70 jint16_t magic; 71 jint16_t nodetype; 72 jint32_t totlen; 73 jint32_t hdr_crc; 74 }; 75 struct jffs2_raw_dirent { 76 jint16_t magic; 77 jint16_t nodetype; 78 jint32_t totlen; 79 jint32_t hdr_crc; 80 jint32_t pino; 81 jint32_t version; 82 jint32_t ino; 83 jint32_t mctime; 84 __u8 nsize; 85 __u8 type; 86 __u8 unused[2]; 87 jint32_t node_crc; 88 jint32_t name_crc; 89 __u8 name[0]; 90 }; 91 struct jffs2_raw_inode { 92 jint16_t magic; 93 jint16_t nodetype; 94 jint32_t totlen; 95 jint32_t hdr_crc; 96 jint32_t ino; 97 jint32_t version; 98 jmode_t mode; 99 jint16_t uid; 100 jint16_t gid; 101 jint32_t isize; 102 jint32_t atime; 103 jint32_t mtime; 104 jint32_t ctime; 105 jint32_t offset; 106 jint32_t csize; 107 jint32_t dsize; 108 __u8 compr; 109 __u8 usercompr; 110 jint16_t flags; 111 jint32_t data_crc; 112 jint32_t node_crc; 113 __u8 data[0]; 114 }; 115 struct jffs2_raw_xattr { 116 jint16_t magic; 117 jint16_t nodetype; 118 jint32_t totlen; 119 jint32_t hdr_crc; 120 jint32_t xid; 121 jint32_t version; 122 __u8 xprefix; 123 __u8 name_len; 124 jint16_t value_len; 125 jint32_t data_crc; 126 jint32_t node_crc; 127 __u8 data[0]; 128 } __attribute__((packed)); 129 struct jffs2_raw_xref { 130 jint16_t magic; 131 jint16_t nodetype; 132 jint32_t totlen; 133 jint32_t hdr_crc; 134 jint32_t ino; 135 jint32_t xid; 136 jint32_t xseqno; 137 jint32_t node_crc; 138 } __attribute__((packed)); 139 struct jffs2_raw_summary { 140 jint16_t magic; 141 jint16_t nodetype; 142 jint32_t totlen; 143 jint32_t hdr_crc; 144 jint32_t sum_num; 145 jint32_t cln_mkr; 146 jint32_t padded; 147 jint32_t sum_crc; 148 jint32_t node_crc; 149 jint32_t sum[0]; 150 }; 151 union jffs2_node_union { 152 struct jffs2_raw_inode i; 153 struct jffs2_raw_dirent d; 154 struct jffs2_raw_xattr x; 155 struct jffs2_raw_xref r; 156 struct jffs2_raw_summary s; 157 struct jffs2_unknown_node u; 158 }; 159 union jffs2_device_node { 160 jint16_t old_id; 161 jint32_t new_id; 162 }; 163 #endif 164
