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Diffstat (limited to 'include/linux/jffs2.h')
-rw-r--r--include/linux/jffs2.h56
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
83typedef struct { 95typedef struct {
84 uint32_t v32; 96 uint32_t v32;
85} __attribute__((packed)) jint32_t; 97} __attribute__((packed)) jint32_t;
86 98
87typedef struct { 99typedef struct {
88 uint32_t m; 100 uint32_t m;
89} __attribute__((packed)) jmode_t; 101} __attribute__((packed)) jmode_t;
90 102
91typedef struct { 103typedef 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
104struct jffs2_raw_dirent 116struct 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
166struct 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
181struct 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
154struct jffs2_raw_summary 192struct 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
168union jffs2_node_union 206union 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. */
217union jffs2_device_node {
218 jint16_t old;
219 jint32_t new;
220};
221
176#endif /* __LINUX_JFFS2_H__ */ 222#endif /* __LINUX_JFFS2_H__ */