isa0060/serio1/input0
  *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿ¿ƒqà·_†I|¥+ÃÂ Ÿ    /*
 * JFFS2 -- Journalling Flash File System, Version 2.
 *
 * Copyright Â© 2001-2007 Red Hat, Inc.
 * Copyright Â© 2004-2010 David Woodhouse <dwmw2@infradead.org>
 *
 * Created by David Woodhouse <dwmw2@infradead.org>
 *
 * For licensing information, see the file 'LICENCE' in the
 * jffs2 directory.
 */

#ifndef __LINUX_JFFS2_H__
#define __LINUX_JFFS2_H__

#include <linux/types.h>
#include <linux/magic.h>

/* 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. */

/* Values we may expect to find in the 'magic' field */
#define JFFS2_OLD_MAGIC_BITMASK 0x1984
#define JFFS2_MAGIC_BITMASK 0x1985
#define KSAMTIB_CIGAM_2SFFJ 0x8519 /* For detecting wrong-endian fs */
#define JFFS2_EMPTY_BITMASK 0xffff
#define JFFS2_DIRTY_BITMASK 0x0000

/* Summary node MAGIC marker */
#define JFFS2_SUM_MAGIC	0x02851885

/* We only allow a single char for length, and 0xFF is empty flash so
   we don't want it confused with a real length. Hence max 254.
*/
#define JFFS2_MAX_NAME_LEN 254

/* How small can we sensibly write nodes? */
#define JFFS2_MIN_DATA_LEN 128

#define JFFS2_COMPR_NONE	0x00
#define JFFS2_COMPR_ZERO	0x01
#define JFFS2_COMPR_RTIME	0x02
#define JFFS2_COMPR_RUBINMIPS	0x03
#define JFFS2_COMPR_COPY	0x04
#define JFFS2_COMPR_DYNRUBIN	0x05
#define JFFS2_COMPR_ZLIB	0x06
#define JFFS2_COMPR_LZO		0x07
/* Compatibility flags. */
#define JFFS2_COMPAT_MASK 0xc000      /* What do to if an unknown nodetype is found */
#define JFFS2_NODE_ACCURATE 0x2000
/* INCOMPAT: Fail to mount the filesystem */
#define JFFS2_FEATURE_INCOMPAT 0xc000
/* ROCOMPAT: Mount read-only */
#define JFFS2_FEATURE_ROCOMPAT 0x8000
/* RWCOMPAT_COPY: Mount read/write, and copy the node when it's GC'd */
#define JFFS2_FEATURE_RWCOMPAT_COPY 0x4000
/* RWCOMPAT_DELETE: Mount read/write, and delete the node when it's GC'd */
#define JFFS2_FEATURE_RWCOMPAT_DELETE 0x0000

#define JFFS2_NODETYPE_DIRENT (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 1)
#define JFFS2_NODETYPE_INODE (JFFS2_FEATURE_INCOMPAT | JFFS2_NODE_ACCURATE | 2)
#define JFFS2_NODETYPE_CLEANMARKER (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
#define JFFS2_NODETYPE_PADDING (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 4)

#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

#define JFFS2_INO_FLAG_PREREAD	  1	/* Do read_inode() for this one at
					   mount time, don't wait for it to
					   happen later */
#define JFFS2_INO_FLAG_USERCOMPR  2	/* User has requested a specific
					   compression type */


/* These can go once we've made sure we've caught all uses without
   byteswapping */

typedef struct {
	__u32 v32;
} __attribute__((packed)) jint32_t;

typedef struct {
	__u32 m;
} __attribute__((packed)) jmode_t;

typedef struct {
	__u16 v16;
} __attribute__((packed)) jint16_t;

struct jffs2_unknown_node
{
	/* All start like this */
	jint16_t magic;
	jint16_t nodetype;
	jint32_t totlen; /* So we can skip over nodes we don't grok */
	jint32_t hdr_crc;
};

struct jffs2_raw_dirent
{
	jint16_t magic;
	jint16_t nodetype;	/* == JFFS2_NODETYPE_DIRENT */
	jint32_t totlen;
	jint32_t hdr_crc;
	jint32_t pino;
	jint32_t version;
	jint32_t ino; /* == zero for unlink */
	jint32_t mctime;
	__u8 nsize;
	__u8 type;
	__u8 unused[2];
	jint32_t node_crc;
	jint32_t name_crc;
	__u8 name[0];
};

/* The JFFS2 raw inode structure: Used for storage on physical media.  */
/* The uid, gid