[people/teissler/ipfire-2.x.git] / src / nash / linux_fs.h

/* Including <linux/fs.h> became more and more painful.\r
   Below a very abbreviated version of some declarations,\r
   only designed to be able to check a magic number\r
   in case no filesystem type was given. */\r
\r
#ifndef BLKGETSIZE\r
#ifndef _IO\r
/* pre-1.3.45 */\r
#define BLKGETSIZE 0x1260		   /* return device size */\r
#else\r
/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */\r
#define BLKGETSIZE _IO(0x12,96)\r
#endif\r
#endif\r
\r
#define MINIX_SUPER_MAGIC   0x137F         /* original minix fs */\r
#define MINIX_SUPER_MAGIC2  0x138F         /* minix fs, 30 char names */\r
struct minix_super_block {\r
	unsigned char   s_dummy[16];\r
	unsigned char   s_magic[2];\r
};\r
#define minixmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
\r
#define ISODCL(from, to) (to - from + 1)\r
#define ISO_STANDARD_ID "CD001"\r
struct iso_volume_descriptor {\r
	char type[ISODCL(1,1)]; /* 711 */\r
	char id[ISODCL(2,6)];\r
	char version[ISODCL(7,7)];\r
	char data[ISODCL(8,2048)];\r
};\r
\r
#define HS_STANDARD_ID "CDROM"\r
struct  hs_volume_descriptor {\r
	char foo[ISODCL (  1,   8)]; /* 733 */\r
	char type[ISODCL (  9,   9)]; /* 711 */\r
	char id[ISODCL ( 10,  14)];\r
	char version[ISODCL ( 15,  15)]; /* 711 */\r
	char data[ISODCL(16,2048)];\r
};\r
\r
#define EXT_SUPER_MAGIC 0x137D\r
struct ext_super_block {\r
	unsigned char   s_dummy[56];\r
	unsigned char   s_magic[2];\r
};\r
#define extmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
\r
#define EXT2_PRE_02B_MAGIC  0xEF51\r
#define EXT2_SUPER_MAGIC    0xEF53\r
#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004\r
struct ext2_super_block {\r
	unsigned char 	s_dummy1[56];\r
	unsigned char 	s_magic[2];\r
	unsigned char	s_dummy2[34];\r
	unsigned char	s_feature_compat[4];\r
	unsigned char	s_feature_incompat[4];\r
	unsigned char	s_feature_ro_compat[4];\r
	unsigned char	s_uuid[16];\r
	unsigned char 	s_volume_name[16];\r
	unsigned char	s_dummy3[88];\r
	unsigned char	s_journal_inum[4];	/* ext3 only */\r
};\r
#define ext2magic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
\r
struct reiserfs_super_block\r
{\r
	unsigned char		s_block_count[4];\r
	unsigned char		s_free_blocks[4];\r
	unsigned char		s_root_block[4];\r
	unsigned char		s_journal_block[4];\r
	unsigned char		s_journal_dev[4];\r
	unsigned char		s_orig_journal_size[4];\r
	unsigned char		s_journal_trans_max[4];\r
	unsigned char		s_journal_block_count[4];\r
	unsigned char		s_journal_max_batch[4];\r
	unsigned char		s_journal_max_commit_age[4];\r
	unsigned char		s_journal_max_trans_age[4];\r
	unsigned char		s_blocksize[2];\r
	unsigned char		s_oid_maxsize[2];\r
	unsigned char		s_oid_cursize[2];\r
	unsigned char		s_state[2];\r
	unsigned char		s_magic[12];\r
};\r
#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"\r
#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"\r
#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024)\r
/* the spot for the super in versions 3.5 - 3.5.10 (inclusive) */\r
#define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024)\r
\r
#define _XIAFS_SUPER_MAGIC 0x012FD16D\r
struct xiafs_super_block {\r
    unsigned char     s_boot_segment[512];     /*  1st sector reserved for boot */\r
    unsigned char     s_dummy[60];\r
    unsigned char     s_magic[4];\r
};\r
#define xiafsmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
			(((unsigned int) s.s_magic[2]) << 16) + \\r
			(((unsigned int) s.s_magic[3]) << 24))\r
\r
/* From jj@sunsite.ms.mff.cuni.cz Mon Mar 23 15:19:05 1998 */\r
#define UFS_SUPER_MAGIC 0x00011954\r
struct ufs_super_block {\r
    unsigned char     s_dummy[0x55c];\r
    unsigned char     s_magic[4];\r
};\r
#define ufsmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
			 (((unsigned int) s.s_magic[2]) << 16) + \\r
			 (((unsigned int) s.s_magic[3]) << 24))\r
\r
/* From Richard.Russon@ait.co.uk Wed Feb 24 08:05:27 1999 */\r
#define NTFS_SUPER_MAGIC "NTFS"\r
struct ntfs_super_block {\r
    unsigned char    s_dummy[3];\r
    unsigned char    s_magic[4];\r
};\r
\r
/* From inspection of a few FAT filesystems - aeb */\r
/* Unfortunately I find almost the same thing on an extended partition;\r
   it looks like a primary has some directory entries where the extended\r
   has a partition table: IO.SYS, MSDOS.SYS, WINBOOT.SYS */\r
struct fat_super_block {\r
    unsigned char    s_dummy[3];\r
    unsigned char    s_os[8];		/* "MSDOS5.0" or "MSWIN4.0" or "MSWIN4.1" */\r
				/* mtools-3.9.4 writes "MTOOL394" */\r
    unsigned char    s_dummy2[32];\r
    unsigned char    s_label[11];	/* for DOS? */\r
    unsigned char    s_fs[8];		/* "FAT12   " or "FAT16   " or all zero   */\r
                                /* OS/2 BM has "FAT     " here. */\r
    unsigned char    s_dummy3[9];\r
    unsigned char    s_label2[11];	/* for Windows? */\r
    unsigned char    s_fs2[8];	        /* garbage or "FAT32   " */\r
};\r
\r
#define XFS_SUPER_MAGIC "XFSB"\r
struct xfs_super_block {\r
    unsigned char    s_magic[4];\r
    unsigned char    s_dummy[28];\r
    unsigned char    s_uuid[16];\r
    unsigned char    s_dummy2[60];\r
    unsigned char    s_fname[12];\r
};\r
\r
#define CRAMFS_SUPER_MAGIC 0x28cd3d45\r
struct cramfs_super_block {\r
	unsigned char    s_magic[4];\r
	unsigned char    s_dummy[12];\r
	unsigned char    s_id[16];\r
};\r
#define cramfsmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
			 (((unsigned int) s.s_magic[2]) << 16) + \\r
			 (((unsigned int) s.s_magic[3]) << 24))\r
\r
#define HFS_SUPER_MAGIC 0x4244\r
struct hfs_super_block {\r
	unsigned char    s_magic[2];\r
	unsigned char    s_dummy[18];\r
	unsigned char    s_blksize[4];\r
};\r
#define hfsmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
#define hfsblksize(s)	((unsigned int) s.s_blksize[0] + \\r
			 (((unsigned int) s.s_blksize[1]) << 8) + \\r
			 (((unsigned int) s.s_blksize[2]) << 16) + \\r
			 (((unsigned int) s.s_blksize[3]) << 24))\r
\r
#define HPFS_SUPER_MAGIC 0xf995e849\r
struct hpfs_super_block {\r
	unsigned char    s_magic[4];\r
	unsigned char    s_magic2[4];\r
};\r
#define hpfsmagic(s)	((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
			 (((unsigned int) s.s_magic[2]) << 16) + \\r
			 (((unsigned int) s.s_magic[3]) << 24))\r
\r
struct adfs_super_block {\r
	unsigned char    s_dummy[448];\r
	unsigned char    s_blksize[1];\r
	unsigned char    s_dummy2[62];\r
	unsigned char    s_checksum[1];\r
};\r
#define adfsblksize(s)	((unsigned int) s.s_blksize[0])\r
Commit	Line	Data
cd1a2927 MT	1	/* Including <linux/fs.h> became more and more painful.\r
	2	Below a very abbreviated version of some declarations,\r
	3	only designed to be able to check a magic number\r
	4	in case no filesystem type was given. */\r
	5	\r
	6	#ifndef BLKGETSIZE\r
	7	#ifndef _IO\r
	8	/* pre-1.3.45 */\r
	9	#define BLKGETSIZE 0x1260 /* return device size */\r
	10	#else\r
	11	/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */\r
	12	#define BLKGETSIZE _IO(0x12,96)\r
	13	#endif\r
	14	#endif\r
	15	\r
	16	#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */\r
	17	#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */\r
	18	struct minix_super_block {\r
	19	unsigned char s_dummy[16];\r
	20	unsigned char s_magic[2];\r
	21	};\r
	22	#define minixmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
	23	\r
	24	#define ISODCL(from, to) (to - from + 1)\r
	25	#define ISO_STANDARD_ID "CD001"\r
	26	struct iso_volume_descriptor {\r
	27	char type[ISODCL(1,1)]; /* 711 */\r
	28	char id[ISODCL(2,6)];\r
	29	char version[ISODCL(7,7)];\r
	30	char data[ISODCL(8,2048)];\r
	31	};\r
	32	\r
	33	#define HS_STANDARD_ID "CDROM"\r
	34	struct hs_volume_descriptor {\r
	35	char foo[ISODCL ( 1, 8)]; /* 733 */\r
	36	char type[ISODCL ( 9, 9)]; /* 711 */\r
	37	char id[ISODCL ( 10, 14)];\r
	38	char version[ISODCL ( 15, 15)]; /* 711 */\r
	39	char data[ISODCL(16,2048)];\r
	40	};\r
	41	\r
	42	#define EXT_SUPER_MAGIC 0x137D\r
	43	struct ext_super_block {\r
	44	unsigned char s_dummy[56];\r
	45	unsigned char s_magic[2];\r
	46	};\r
	47	#define extmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
	48	\r
	49	#define EXT2_PRE_02B_MAGIC 0xEF51\r
	50	#define EXT2_SUPER_MAGIC 0xEF53\r
	51	#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004\r
	52	struct ext2_super_block {\r
	53	unsigned char s_dummy1[56];\r
	54	unsigned char s_magic[2];\r
	55	unsigned char s_dummy2[34];\r
	56	unsigned char s_feature_compat[4];\r
	57	unsigned char s_feature_incompat[4];\r
	58	unsigned char s_feature_ro_compat[4];\r
	59	unsigned char s_uuid[16];\r
	60	unsigned char s_volume_name[16];\r
	61	unsigned char s_dummy3[88];\r
	62	unsigned char s_journal_inum[4]; /* ext3 only */\r
	63	};\r
	64	#define ext2magic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
65	\r
66	struct reiserfs_super_block\r
67	{\r
68	unsigned char s_block_count[4];\r
69	unsigned char s_free_blocks[4];\r
70	unsigned char s_root_block[4];\r
71	unsigned char s_journal_block[4];\r
72	unsigned char s_journal_dev[4];\r
73	unsigned char s_orig_journal_size[4];\r
74	unsigned char s_journal_trans_max[4];\r
75	unsigned char s_journal_block_count[4];\r
76	unsigned char s_journal_max_batch[4];\r
77	unsigned char s_journal_max_commit_age[4];\r
78	unsigned char s_journal_max_trans_age[4];\r
79	unsigned char s_blocksize[2];\r
80	unsigned char s_oid_maxsize[2];\r
81	unsigned char s_oid_cursize[2];\r
82	unsigned char s_state[2];\r
83	unsigned char s_magic[12];\r
84	};\r
85	#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"\r
86	#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"\r
87	#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024)\r
88	/* the spot for the super in versions 3.5 - 3.5.10 (inclusive) */\r
89	#define REISERFS_OLD_DISK_OFFSET_IN_BYTES (8 * 1024)\r
90	\r
91	#define _XIAFS_SUPER_MAGIC 0x012FD16D\r
92	struct xiafs_super_block {\r
93	unsigned char s_boot_segment[512]; /* 1st sector reserved for boot */\r
94	unsigned char s_dummy[60];\r
95	unsigned char s_magic[4];\r
96	};\r
97	#define xiafsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
98	(((unsigned int) s.s_magic[2]) << 16) + \\r
99	(((unsigned int) s.s_magic[3]) << 24))\r
100	\r
101	/* From jj@sunsite.ms.mff.cuni.cz Mon Mar 23 15:19:05 1998 */\r
102	#define UFS_SUPER_MAGIC 0x00011954\r
103	struct ufs_super_block {\r
104	unsigned char s_dummy[0x55c];\r
105	unsigned char s_magic[4];\r
106	};\r
107	#define ufsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
108	(((unsigned int) s.s_magic[2]) << 16) + \\r
109	(((unsigned int) s.s_magic[3]) << 24))\r
110	\r
111	/* From Richard.Russon@ait.co.uk Wed Feb 24 08:05:27 1999 */\r
112	#define NTFS_SUPER_MAGIC "NTFS"\r
113	struct ntfs_super_block {\r
114	unsigned char s_dummy[3];\r
115	unsigned char s_magic[4];\r
116	};\r
117	\r
118	/* From inspection of a few FAT filesystems - aeb */\r
119	/* Unfortunately I find almost the same thing on an extended partition;\r
120	it looks like a primary has some directory entries where the extended\r
121	has a partition table: IO.SYS, MSDOS.SYS, WINBOOT.SYS */\r
122	struct fat_super_block {\r
123	unsigned char s_dummy[3];\r
124	unsigned char s_os[8]; /* "MSDOS5.0" or "MSWIN4.0" or "MSWIN4.1" */\r
125	/* mtools-3.9.4 writes "MTOOL394" */\r
126	unsigned char s_dummy2[32];\r
127	unsigned char s_label[11]; /* for DOS? */\r
128	unsigned char s_fs[8]; /* "FAT12 " or "FAT16 " or all zero */\r
129	/* OS/2 BM has "FAT " here. */\r
130	unsigned char s_dummy3[9];\r
131	unsigned char s_label2[11]; /* for Windows? */\r
132	unsigned char s_fs2[8]; /* garbage or "FAT32 " */\r
133	};\r
134	\r
135	#define XFS_SUPER_MAGIC "XFSB"\r
136	struct xfs_super_block {\r
137	unsigned char s_magic[4];\r
138	unsigned char s_dummy[28];\r
139	unsigned char s_uuid[16];\r
140	unsigned char s_dummy2[60];\r
141	unsigned char s_fname[12];\r
142	};\r
143	\r
144	#define CRAMFS_SUPER_MAGIC 0x28cd3d45\r
145	struct cramfs_super_block {\r
146	unsigned char s_magic[4];\r
147	unsigned char s_dummy[12];\r
148	unsigned char s_id[16];\r
149	};\r
150	#define cramfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
151	(((unsigned int) s.s_magic[2]) << 16) + \\r
152	(((unsigned int) s.s_magic[3]) << 24))\r
153	\r
154	#define HFS_SUPER_MAGIC 0x4244\r
155	struct hfs_super_block {\r
156	unsigned char s_magic[2];\r
157	unsigned char s_dummy[18];\r
158	unsigned char s_blksize[4];\r
159	};\r
160	#define hfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8))\r
161	#define hfsblksize(s) ((unsigned int) s.s_blksize[0] + \\r
162	(((unsigned int) s.s_blksize[1]) << 8) + \\r
163	(((unsigned int) s.s_blksize[2]) << 16) + \\r
164	(((unsigned int) s.s_blksize[3]) << 24))\r
165	\r
166	#define HPFS_SUPER_MAGIC 0xf995e849\r
167	struct hpfs_super_block {\r
168	unsigned char s_magic[4];\r
169	unsigned char s_magic2[4];\r
170	};\r
171	#define hpfsmagic(s) ((unsigned int) s.s_magic[0] + (((unsigned int) s.s_magic[1]) << 8) + \\r
172	(((unsigned int) s.s_magic[2]) << 16) + \\r
173	(((unsigned int) s.s_magic[3]) << 24))\r
174	\r
175	struct adfs_super_block {\r
176	unsigned char s_dummy[448];\r
177	unsigned char s_blksize[1];\r
178	unsigned char s_dummy2[62];\r
179	unsigned char s_checksum[1];\r
180	};\r
181	#define adfsblksize(s) ((unsigned int) s.s_blksize[0])\r