X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fjffs2.h;fp=include%2Flinux%2Fjffs2.h;h=840631fa5ff16629b7e1490944447ea1c0c113ba;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=cf792bb3c72655beafc28d29c72f25f14bf96a4b;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/include/linux/jffs2.h b/include/linux/jffs2.h index cf792bb3c..840631fa5 100644 --- a/include/linux/jffs2.h +++ b/include/linux/jffs2.h @@ -15,12 +15,12 @@ #ifndef __LINUX_JFFS2_H__ #define __LINUX_JFFS2_H__ +#include + /* You must include something which defines the C99 uintXX_t types. We don't do it from here because this file is used in too many different environments. */ -#define JFFS2_SUPER_MAGIC 0x72b6 - /* Values we may expect to find in the 'magic' field */ #define JFFS2_OLD_MAGIC_BITMASK 0x1984 #define JFFS2_MAGIC_BITMASK 0x1985 @@ -65,6 +65,18 @@ #define JFFS2_NODETYPE_SUMMARY (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 6) +#define JFFS2_NODETYPE_XATTR (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 8) +#define JFFS2_NODETYPE_XREF (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 9) + +/* XATTR Related */ +#define JFFS2_XPREFIX_USER 1 /* for "user." */ +#define JFFS2_XPREFIX_SECURITY 2 /* for "security." */ +#define JFFS2_XPREFIX_ACL_ACCESS 3 /* for "system.posix_acl_access" */ +#define JFFS2_XPREFIX_ACL_DEFAULT 4 /* for "system.posix_acl_default" */ +#define JFFS2_XPREFIX_TRUSTED 5 /* for "trusted.*" */ + +#define JFFS2_ACL_VERSION 0x0001 + // Maybe later... //#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3) //#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4) @@ -82,11 +94,11 @@ typedef struct { uint32_t v32; -} __attribute__((packed)) jint32_t; +} __attribute__((packed)) jint32_t; typedef struct { uint32_t m; -} __attribute__((packed)) jmode_t; +} __attribute__((packed)) jmode_t; typedef struct { uint16_t v16; @@ -99,7 +111,7 @@ struct jffs2_unknown_node jint16_t nodetype; jint32_t totlen; /* So we can skip over nodes we don't grok */ jint32_t hdr_crc; -} __attribute__((packed)); +}; struct jffs2_raw_dirent { @@ -117,7 +129,7 @@ struct jffs2_raw_dirent jint32_t node_crc; jint32_t name_crc; uint8_t name[0]; -} __attribute__((packed)); +}; /* The JFFS2 raw inode structure: Used for storage on physical media. */ /* The uid, gid, atime, mtime and ctime members could be longer, but @@ -149,6 +161,33 @@ struct jffs2_raw_inode jint32_t data_crc; /* CRC for the (compressed) data. */ jint32_t node_crc; /* CRC for the raw inode (excluding data) */ uint8_t data[0]; +}; + +struct jffs2_raw_xattr { + jint16_t magic; + jint16_t nodetype; /* = JFFS2_NODETYPE_XATTR */ + jint32_t totlen; + jint32_t hdr_crc; + jint32_t xid; /* XATTR identifier number */ + jint32_t version; + uint8_t xprefix; + uint8_t name_len; + jint16_t value_len; + jint32_t data_crc; + jint32_t node_crc; + uint8_t data[0]; +} __attribute__((packed)); + +struct jffs2_raw_xref +{ + jint16_t magic; + jint16_t nodetype; /* = JFFS2_NODETYPE_XREF */ + jint32_t totlen; + jint32_t hdr_crc; + jint32_t ino; /* inode number */ + jint32_t xid; /* XATTR identifier number */ + jint32_t xseqno; /* xref sequencial number */ + jint32_t node_crc; } __attribute__((packed)); struct jffs2_raw_summary @@ -163,14 +202,22 @@ struct jffs2_raw_summary jint32_t sum_crc; /* summary information crc */ jint32_t node_crc; /* node crc */ jint32_t sum[0]; /* inode summary info */ -} __attribute__((packed)); +}; union jffs2_node_union { struct jffs2_raw_inode i; struct jffs2_raw_dirent d; + struct jffs2_raw_xattr x; + struct jffs2_raw_xref r; struct jffs2_raw_summary s; struct jffs2_unknown_node u; }; +/* Data payload for device nodes. */ +union jffs2_device_node { + jint16_t old; + jint32_t new; +}; + #endif /* __LINUX_JFFS2_H__ */