1655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/****************************************************************************
2655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************
3655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
4655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   This header was automatically generated from a Linux kernel header
5655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   of the same name, to make information necessary for userspace to
6655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   call into the kernel available to libc.  It contains only constants,
7655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   structures, and macros generated from the original header, and thus,
8655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   contains no copyrightable information.
9655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
10655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   To edit the content of this header, modify the corresponding
11655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   source file (e.g. under external/kernel-headers/original/) then
12655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   run bionic/libc/kernel/tools/update_all.py
13655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
14655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   Any manual change here will be lost the next time this script will
15655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***   be run. You've been warned!
16655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ***
17655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************
18655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************/
19655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#ifndef __LINUX_JFFS2_H__
20655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define __LINUX_JFFS2_H__
21655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/types.h>
22655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/magic.h>
23655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_OLD_MAGIC_BITMASK 0x1984
24655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_MAGIC_BITMASK 0x1985
25655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define KSAMTIB_CIGAM_2SFFJ 0x8519
26655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_EMPTY_BITMASK 0xffff
27655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_DIRTY_BITMASK 0x0000
28655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_SUM_MAGIC 0x02851885
29655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_MAX_NAME_LEN 254
30655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_MIN_DATA_LEN 128
31655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_NONE 0x00
32655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_ZERO 0x01
33655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_RTIME 0x02
34655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_RUBINMIPS 0x03
35655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_COPY 0x04
36655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_DYNRUBIN 0x05
37655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_ZLIB 0x06
38655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPR_LZO 0x07
39655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_COMPAT_MASK 0xc000
40655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODE_ACCURATE 0x2000
41655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_FEATURE_INCOMPAT 0xc000
42655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_FEATURE_ROCOMPAT 0x8000
43655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_FEATURE_RWCOMPAT_COPY 0x4000
44655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_FEATURE_RWCOMPAT_DELETE 0x0000
45655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_DIRENT (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 1)
46655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_INODE (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 2)
47655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_CLEANMARKER (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
48655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_PADDING (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 4)
49655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6)
50655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_XATTR (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 8)
51655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_NODETYPE_XREF (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 9)
52655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_XPREFIX_USER 1
53655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_XPREFIX_SECURITY 2
54655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_XPREFIX_ACL_ACCESS 3
55655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_XPREFIX_ACL_DEFAULT 4
56655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_XPREFIX_TRUSTED 5
57655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_ACL_VERSION 0x0001
58655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_INO_FLAG_PREREAD 1
59655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define JFFS2_INO_FLAG_USERCOMPR 2
60655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengtypedef struct {
61d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 v32;
62655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng} __attribute__((packed)) jint32_t;
63655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengtypedef struct {
64d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u32 m;
65655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng} __attribute__((packed)) jmode_t;
66655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengtypedef struct {
67d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u16 v16;
68655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng} __attribute__((packed)) jint16_t;
69d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_unknown_node {
70d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
71d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
72d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
73d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
74655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
75d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_raw_dirent {
76d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
77d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
78d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
79d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
80d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t pino;
81d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t version;
82d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t ino;
83d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t mctime;
84d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 nsize;
85d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 type;
86d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 unused[2];
87d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t node_crc;
88d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t name_crc;
89d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 name[0];
90655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
91d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_raw_inode {
92d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
93d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
94d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
95d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
96d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t ino;
97d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t version;
98d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jmode_t mode;
99d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t uid;
100d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t gid;
101d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t isize;
102d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t atime;
103d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t mtime;
104d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t ctime;
105d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t offset;
106d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t csize;
107d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t dsize;
108d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 compr;
109d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 usercompr;
110d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t flags;
111d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t data_crc;
112d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t node_crc;
113d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 data[0];
114655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
115d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_raw_xattr {
116d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
117d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
118d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
119d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
120d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t xid;
121d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t version;
122d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 xprefix;
123d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 name_len;
124d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t value_len;
125d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t data_crc;
126d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t node_crc;
127d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  __u8 data[0];
128655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng} __attribute__((packed));
129d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_raw_xref {
130d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
131d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
132d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
133d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
134d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t ino;
135d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t xid;
136d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t xseqno;
137d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t node_crc;
138d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao} __attribute__((packed));
139d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baostruct jffs2_raw_summary {
140d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t magic;
141d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t nodetype;
142d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t totlen;
143d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t hdr_crc;
144d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t sum_num;
145d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t cln_mkr;
146d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t padded;
147d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t sum_crc;
148d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t node_crc;
149d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t sum[0];
150655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
151d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baounion jffs2_node_union {
152d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_raw_inode i;
153d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_raw_dirent d;
154d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_raw_xattr x;
155d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_raw_xref r;
156d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_raw_summary s;
157d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  struct jffs2_unknown_node u;
158655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
159d7db594b8d1dab36b711bd887a9dd21675c87243Tao Baounion jffs2_device_node {
160d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint16_t old_id;
161d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao  jint32_t new_id;
162655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng};
163655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#endif
164