xref: /linux/include/uapi/linux/magic.h (revision 36ec807b627b4c0a0a382f0ae48eac7187d14b2b)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __LINUX_MAGIC_H__
3 #define __LINUX_MAGIC_H__
4 
5 #define ADFS_SUPER_MAGIC	0xadf5
6 #define AFFS_SUPER_MAGIC	0xadff
7 #define AFS_SUPER_MAGIC                0x5346414F
8 #define AUTOFS_SUPER_MAGIC	0x0187
9 #define CEPH_SUPER_MAGIC	0x00c36400
10 #define CODA_SUPER_MAGIC	0x73757245
11 #define CRAMFS_MAGIC		0x28cd3d45	/* some random number */
12 #define CRAMFS_MAGIC_WEND	0x453dcd28	/* magic number with the wrong endianess */
13 #define DEBUGFS_MAGIC          0x64626720
14 #define SECURITYFS_MAGIC	0x73636673
15 #define SELINUX_MAGIC		0xf97cff8c
16 #define SMACK_MAGIC		0x43415d53	/* "SMAC" */
17 #define RAMFS_MAGIC		0x858458f6	/* some random number */
18 #define TMPFS_MAGIC		0x01021994
19 #define HUGETLBFS_MAGIC 	0x958458f6	/* some random number */
20 #define SQUASHFS_MAGIC		0x73717368
21 #define ECRYPTFS_SUPER_MAGIC	0xf15f
22 #define EFS_SUPER_MAGIC		0x414A53
23 #define EROFS_SUPER_MAGIC_V1	0xE0F5E1E2
24 #define EXT2_SUPER_MAGIC	0xEF53
25 #define EXT3_SUPER_MAGIC	0xEF53
26 #define XENFS_SUPER_MAGIC	0xabba1974
27 #define EXT4_SUPER_MAGIC	0xEF53
28 #define BTRFS_SUPER_MAGIC	0x9123683E
29 #define NILFS_SUPER_MAGIC	0x3434
30 #define F2FS_SUPER_MAGIC	0xF2F52010
31 #define HPFS_SUPER_MAGIC	0xf995e849
32 #define ISOFS_SUPER_MAGIC	0x9660
33 #define JFFS2_SUPER_MAGIC	0x72b6
34 #define XFS_SUPER_MAGIC		0x58465342	/* "XFSB" */
35 #define PSTOREFS_MAGIC		0x6165676C
36 #define EFIVARFS_MAGIC		0xde5e81e4
37 #define HOSTFS_SUPER_MAGIC	0x00c0ffee
38 #define OVERLAYFS_SUPER_MAGIC	0x794c7630
39 #define FUSE_SUPER_MAGIC	0x65735546
40 #define BCACHEFS_SUPER_MAGIC	0xca451a4e
41 
42 #define MINIX_SUPER_MAGIC	0x137F		/* minix v1 fs, 14 char names */
43 #define MINIX_SUPER_MAGIC2	0x138F		/* minix v1 fs, 30 char names */
44 #define MINIX2_SUPER_MAGIC	0x2468		/* minix v2 fs, 14 char names */
45 #define MINIX2_SUPER_MAGIC2	0x2478		/* minix v2 fs, 30 char names */
46 #define MINIX3_SUPER_MAGIC	0x4d5a		/* minix v3 fs, 60 char names */
47 
48 #define MSDOS_SUPER_MAGIC	0x4d44		/* MD */
49 #define EXFAT_SUPER_MAGIC	0x2011BAB0
50 #define NCP_SUPER_MAGIC		0x564c		/* Guess, what 0x564c is :-) */
51 #define NFS_SUPER_MAGIC		0x6969
52 #define OCFS2_SUPER_MAGIC	0x7461636f
53 #define OPENPROM_SUPER_MAGIC	0x9fa1
54 #define QNX4_SUPER_MAGIC	0x002f		/* qnx4 fs detection */
55 #define QNX6_SUPER_MAGIC	0x68191122	/* qnx6 fs detection */
56 #define AFS_FS_MAGIC		0x6B414653
57 
58 
59 #define REISERFS_SUPER_MAGIC	0x52654973	/* used by gcc */
60 					/* used by file system utilities that
61 	                                   look at the superblock, etc.  */
62 #define REISERFS_SUPER_MAGIC_STRING	"ReIsErFs"
63 #define REISER2FS_SUPER_MAGIC_STRING	"ReIsEr2Fs"
64 #define REISER2FS_JR_SUPER_MAGIC_STRING	"ReIsEr3Fs"
65 
66 #define SMB_SUPER_MAGIC		0x517B
67 #define CIFS_SUPER_MAGIC	0xFF534D42      /* the first four bytes of SMB PDUs */
68 #define SMB2_SUPER_MAGIC	0xFE534D42
69 
70 #define CGROUP_SUPER_MAGIC	0x27e0eb
71 #define CGROUP2_SUPER_MAGIC	0x63677270
72 
73 #define RDTGROUP_SUPER_MAGIC	0x7655821
74 
75 #define STACK_END_MAGIC		0x57AC6E9D
76 
77 #define TRACEFS_MAGIC          0x74726163
78 
79 #define V9FS_MAGIC		0x01021997
80 
81 #define BDEVFS_MAGIC            0x62646576
82 #define DAXFS_MAGIC             0x64646178
83 #define BINFMTFS_MAGIC          0x42494e4d
84 #define DEVPTS_SUPER_MAGIC	0x1cd1
85 #define BINDERFS_SUPER_MAGIC	0x6c6f6f70
86 #define FUTEXFS_SUPER_MAGIC	0xBAD1DEA
87 #define PIPEFS_MAGIC            0x50495045
88 #define PROC_SUPER_MAGIC	0x9fa0
89 #define SOCKFS_MAGIC		0x534F434B
90 #define SYSFS_MAGIC		0x62656572
91 #define USBDEVICE_SUPER_MAGIC	0x9fa2
92 #define MTD_INODE_FS_MAGIC      0x11307854
93 #define ANON_INODE_FS_MAGIC	0x09041934
94 #define BTRFS_TEST_MAGIC	0x73727279
95 #define NSFS_MAGIC		0x6e736673
96 #define BPF_FS_MAGIC		0xcafe4a11
97 #define AAFS_MAGIC		0x5a3c69f0
98 #define ZONEFS_MAGIC		0x5a4f4653
99 
100 /* Since UDF 2.01 is ISO 13346 based... */
101 #define UDF_SUPER_MAGIC		0x15013346
102 #define DMA_BUF_MAGIC		0x444d4142	/* "DMAB" */
103 #define DEVMEM_MAGIC		0x454d444d	/* "DMEM" */
104 #define SECRETMEM_MAGIC		0x5345434d	/* "SECM" */
105 #define PID_FS_MAGIC		0x50494446	/* "PIDF" */
106 
107 #endif /* __LINUX_MAGIC_H__ */
108