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
60typedef struct {
61  __u32 v32;
62} __attribute__((packed)) jint32_t;
63typedef struct {
64  __u32 m;
65} __attribute__((packed)) jmode_t;
66typedef struct {
67  __u16 v16;
68} __attribute__((packed)) jint16_t;
69struct jffs2_unknown_node {
70  jint16_t magic;
71  jint16_t nodetype;
72  jint32_t totlen;
73  jint32_t hdr_crc;
74};
75struct 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};
91struct 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};
115struct 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));
129struct 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));
139struct 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};
151union 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};
159union jffs2_device_node {
160  jint16_t old_id;
161  jint32_t new_id;
162};
163#endif
164