diff options
Diffstat (limited to 'include/linux/jffs2.h')
-rw-r--r-- | include/linux/jffs2.h | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h index cf792bb3c726..c6f70660b371 100644 --- a/include/linux/jffs2.h +++ b/include/linux/jffs2.h | |||
@@ -65,6 +65,18 @@ | |||
65 | 65 | ||
66 | #define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6) | 66 | #define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6) |
67 | 67 | ||
68 | #define JFFS2_NODETYPE_XATTR (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 8) | ||
69 | #define JFFS2_NODETYPE_XREF (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 9) | ||
70 | |||
71 | /* XATTR Related */ | ||
72 | #define JFFS2_XPREFIX_USER 1 /* for "user." */ | ||
73 | #define JFFS2_XPREFIX_SECURITY 2 /* for "security." */ | ||
74 | #define JFFS2_XPREFIX_ACL_ACCESS 3 /* for "system.posix_acl_access" */ | ||
75 | #define JFFS2_XPREFIX_ACL_DEFAULT 4 /* for "system.posix_acl_default" */ | ||
76 | #define JFFS2_XPREFIX_TRUSTED 5 /* for "trusted.*" */ | ||
77 | |||
78 | #define JFFS2_ACL_VERSION 0x0001 | ||
79 | |||
68 | // Maybe later... | 80 | // Maybe later... |
69 | //#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3) | 81 | //#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3) |
70 | //#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4) | 82 | //#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4) |
@@ -82,11 +94,11 @@ | |||
82 | 94 | ||
83 | typedef struct { | 95 | typedef struct { |
84 | uint32_t v32; | 96 | uint32_t v32; |
85 | } __attribute__((packed)) jint32_t; | 97 | } __attribute__((packed)) jint32_t; |
86 | 98 | ||
87 | typedef struct { | 99 | typedef struct { |
88 | uint32_t m; | 100 | uint32_t m; |
89 | } __attribute__((packed)) jmode_t; | 101 | } __attribute__((packed)) jmode_t; |
90 | 102 | ||
91 | typedef struct { | 103 | typedef struct { |
92 | uint16_t v16; | 104 | uint16_t v16; |
@@ -99,7 +111,7 @@ struct jffs2_unknown_node | |||
99 | jint16_t nodetype; | 111 | jint16_t nodetype; |
100 | jint32_t totlen; /* So we can skip over nodes we don't grok */ | 112 | jint32_t totlen; /* So we can skip over nodes we don't grok */ |
101 | jint32_t hdr_crc; | 113 | jint32_t hdr_crc; |
102 | } __attribute__((packed)); | 114 | }; |
103 | 115 | ||
104 | struct jffs2_raw_dirent | 116 | struct jffs2_raw_dirent |
105 | { | 117 | { |
@@ -117,7 +129,7 @@ struct jffs2_raw_dirent | |||
117 | jint32_t node_crc; | 129 | jint32_t node_crc; |
118 | jint32_t name_crc; | 130 | jint32_t name_crc; |
119 | uint8_t name[0]; | 131 | uint8_t name[0]; |
120 | } __attribute__((packed)); | 132 | }; |
121 | 133 | ||
122 | /* The JFFS2 raw inode structure: Used for storage on physical media. */ | 134 | /* The JFFS2 raw inode structure: Used for storage on physical media. */ |
123 | /* The uid, gid, atime, mtime and ctime members could be longer, but | 135 | /* The uid, gid, atime, mtime and ctime members could be longer, but |
@@ -149,6 +161,32 @@ struct jffs2_raw_inode | |||
149 | jint32_t data_crc; /* CRC for the (compressed) data. */ | 161 | jint32_t data_crc; /* CRC for the (compressed) data. */ |
150 | jint32_t node_crc; /* CRC for the raw inode (excluding data) */ | 162 | jint32_t node_crc; /* CRC for the raw inode (excluding data) */ |
151 | uint8_t data[0]; | 163 | uint8_t data[0]; |
164 | }; | ||
165 | |||
166 | struct jffs2_raw_xattr { | ||
167 | jint16_t magic; | ||
168 | jint16_t nodetype; /* = JFFS2_NODETYPE_XATTR */ | ||
169 | jint32_t totlen; | ||
170 | jint32_t hdr_crc; | ||
171 | jint32_t xid; /* XATTR identifier number */ | ||
172 | jint32_t version; | ||
173 | uint8_t xprefix; | ||
174 | uint8_t name_len; | ||
175 | jint16_t value_len; | ||
176 | jint32_t data_crc; | ||
177 | jint32_t node_crc; | ||
178 | uint8_t data[0]; | ||
179 | } __attribute__((packed)); | ||
180 | |||
181 | struct jffs2_raw_xref | ||
182 | { | ||
183 | jint16_t magic; | ||
184 | jint16_t nodetype; /* = JFFS2_NODETYPE_XREF */ | ||
185 | jint32_t totlen; | ||
186 | jint32_t hdr_crc; | ||
187 | jint32_t ino; /* inode number */ | ||
188 | jint32_t xid; /* XATTR identifier number */ | ||
189 | jint32_t node_crc; | ||
152 | } __attribute__((packed)); | 190 | } __attribute__((packed)); |
153 | 191 | ||
154 | struct jffs2_raw_summary | 192 | struct jffs2_raw_summary |
@@ -163,14 +201,22 @@ struct jffs2_raw_summary | |||
163 | jint32_t sum_crc; /* summary information crc */ | 201 | jint32_t sum_crc; /* summary information crc */ |
164 | jint32_t node_crc; /* node crc */ | 202 | jint32_t node_crc; /* node crc */ |
165 | jint32_t sum[0]; /* inode summary info */ | 203 | jint32_t sum[0]; /* inode summary info */ |
166 | } __attribute__((packed)); | 204 | }; |
167 | 205 | ||
168 | union jffs2_node_union | 206 | union jffs2_node_union |
169 | { | 207 | { |
170 | struct jffs2_raw_inode i; | 208 | struct jffs2_raw_inode i; |
171 | struct jffs2_raw_dirent d; | 209 | struct jffs2_raw_dirent d; |
210 | struct jffs2_raw_xattr x; | ||
211 | struct jffs2_raw_xref r; | ||
172 | struct jffs2_raw_summary s; | 212 | struct jffs2_raw_summary s; |
173 | struct jffs2_unknown_node u; | 213 | struct jffs2_unknown_node u; |
174 | }; | 214 | }; |
175 | 215 | ||
216 | /* Data payload for device nodes. */ | ||
217 | union jffs2_device_node { | ||
218 | jint16_t old; | ||
219 | jint32_t new; | ||
220 | }; | ||
221 | |||
176 | #endif /* __LINUX_JFFS2_H__ */ | 222 | #endif /* __LINUX_JFFS2_H__ */ |