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/* Including <linux/fs.h> became more and more painful.
Below a very abbreviated version of some declarations,
only designed to be able to check a magic number
in case no filesystem type was given. */
#ifndef BLKGETSIZE
#ifndef _IO
/* pre-1.3.45 */
#define BLKGETSIZE 0x1260 /* return device size */
#else
/* same on i386, m68k, arm; different on alpha, mips, sparc, ppc */
#define BLKGETSIZE _IO(0x12,96)
#endif
#endif
#define MINIX_SUPER_MAGIC 0x137F /* original minix fs */
#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
struct minix_super_block {
u_char s_dummy[16];
u_char s_magic[2];
};
#define minixmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
#define ISODCL(from, to) (to - from + 1)
#define ISO_STANDARD_ID "CD001"
struct iso_volume_descriptor {
char type[ISODCL(1,1)]; /* 711 */
char id[ISODCL(2,6)];
char version[ISODCL(7,7)];
char data[ISODCL(8,2048)];
};
#define HS_STANDARD_ID "CDROM"
struct hs_volume_descriptor {
char foo[ISODCL ( 1, 8)]; /* 733 */
char type[ISODCL ( 9, 9)]; /* 711 */
char id[ISODCL ( 10, 14)];
char version[ISODCL ( 15, 15)]; /* 711 */
char data[ISODCL(16,2048)];
};
#define EXT_SUPER_MAGIC 0x137D
struct ext_super_block {
u_char s_dummy[56];
u_char s_magic[2];
};
#define extmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
#define EXT2_PRE_02B_MAGIC 0xEF51
#define EXT2_SUPER_MAGIC 0xEF53
struct ext2_super_block {
u_char s_dummy1[56];
u_char s_magic[2];
u_char s_dummy2[46];
u_char s_uuid[16];
u_char s_volume_name[16];
};
#define ext2magic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
#define _XIAFS_SUPER_MAGIC 0x012FD16D
struct xiafs_super_block {
u_char s_boot_segment[512]; /* 1st sector reserved for boot */
u_char s_dummy[60];
u_char s_magic[4];
};
#define xiafsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
(((uint) s.s_magic[2]) << 16) + \
(((uint) s.s_magic[3]) << 24))
/* From jj@sunsite.ms.mff.cuni.cz Mon Mar 23 15:19:05 1998 */
#define UFS_SUPER_MAGIC 0x00011954
struct ufs_super_block {
u_char s_dummy[0x55c];
u_char s_magic[4];
};
#define ufsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
(((uint) s.s_magic[2]) << 16) + \
(((uint) s.s_magic[3]) << 24))
/* From Richard.Russon@ait.co.uk Wed Feb 24 08:05:27 1999 */
#define NTFS_SUPER_MAGIC "NTFS"
struct ntfs_super_block {
u_char s_dummy[3];
u_char s_magic[4];
};
/* From inspection of a few FAT filesystems - aeb */
/* Unfortunately I find almost the same thing on an extended partition;
it looks like a primary has some directory entries where the extended
has a partition table: IO.SYS, MSDOS.SYS, WINBOOT.SYS */
struct fat_super_block {
u_char s_dummy[3];
u_char s_os[8]; /* "MSDOS5.0" or "MSWIN4.0" or "MSWIN4.1" */
/* mtools-3.9.4 writes "MTOOL394" */
u_char s_dummy2[32];
u_char s_label[11]; /* for DOS? */
u_char s_fs[8]; /* "FAT12 " or "FAT16 " or all zero */
/* OS/2 BM has "FAT " here. */
u_char s_dummy3[9];
u_char s_label2[11]; /* for Windows? */
u_char s_fs2[8]; /* garbage or "FAT32 " */
};
#define XFS_SUPER_MAGIC "XFSB"
#define XFS_SUPER_MAGIC2 "BSFX"
struct xfs_super_block {
u_char s_magic[4];
u_char s_dummy[28];
u_char s_uuid[16];
u_char s_dummy2[60];
u_char s_fname[12];
};
#define CRAMFS_SUPER_MAGIC 0x28cd3d45
struct cramfs_super_block {
u_char s_magic[4];
u_char s_dummy[12];
u_char s_id[16];
};
#define cramfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
(((uint) s.s_magic[2]) << 16) + \
(((uint) s.s_magic[3]) << 24))
#define HFS_SUPER_MAGIC 0x4244
struct hfs_super_block {
u_char s_magic[2];
u_char s_dummy[18];
u_char s_blksize[4];
};
#define hfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8))
#define hfsblksize(s) ((uint) s.s_blksize[0] + \
(((uint) s.s_blksize[1]) << 8) + \
(((uint) s.s_blksize[2]) << 16) + \
(((uint) s.s_blksize[3]) << 24))
#define HPFS_SUPER_MAGIC 0xf995e849
struct hpfs_super_block {
u_char s_magic[4];
u_char s_magic2[4];
};
#define hpfsmagic(s) ((uint) s.s_magic[0] + (((uint) s.s_magic[1]) << 8) + \
(((uint) s.s_magic[2]) << 16) + \
(((uint) s.s_magic[3]) << 24))
struct adfs_super_block {
u_char s_dummy[448];
u_char s_blksize[1];
u_char s_dummy2[62];
u_char s_checksum[1];
};
#define adfsblksize(s) ((uint) s.s_blksize[0])
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