1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_MSDOS_PARTITION_H
3 #define _LINUX_MSDOS_PARTITION_H
4
5 #define MSDOS_LABEL_MAGIC 0xAA55
6
7 struct msdos_partition {
8 u8 boot_ind; /* 0x80 - active */
9 u8 head; /* starting head */
10 u8 sector; /* starting sector */
11 u8 cyl; /* starting cylinder */
12 u8 sys_ind; /* What partition type */
13 u8 end_head; /* end head */
14 u8 end_sector; /* end sector */
15 u8 end_cyl; /* end cylinder */
16 __le32 start_sect; /* starting sector counting from 0 */
17 __le32 nr_sects; /* nr of sectors in partition */
18 } __packed;
19
20 enum msdos_sys_ind {
21 /*
22 * These three have identical behaviour; use the second one if DOS FDISK
23 * gets confused about extended/logical partitions starting past
24 * cylinder 1023.
25 */
26 DOS_EXTENDED_PARTITION = 5,
27 LINUX_EXTENDED_PARTITION = 0x85,
28 WIN98_EXTENDED_PARTITION = 0x0f,
29
30 LINUX_DATA_PARTITION = 0x83,
31 LINUX_LVM_PARTITION = 0x8e,
32 LINUX_RAID_PARTITION = 0xfd, /* autodetect RAID partition */
33
34 SOLARIS_X86_PARTITION = 0x82, /* also Linux swap partitions */
35 NEW_SOLARIS_X86_PARTITION = 0xbf,
36
37 DM6_AUX1PARTITION = 0x51, /* no DDO: use xlated geom */
38 DM6_AUX3PARTITION = 0x53, /* no DDO: use xlated geom */
39 DM6_PARTITION = 0x54, /* has DDO: use xlated geom & offset */
40 EZD_PARTITION = 0x55, /* EZ-DRIVE */
41
42 FREEBSD_PARTITION = 0xa5, /* FreeBSD Partition ID */
43 OPENBSD_PARTITION = 0xa6, /* OpenBSD Partition ID */
44 NETBSD_PARTITION = 0xa9, /* NetBSD Partition ID */
45 BSDI_PARTITION = 0xb7, /* BSDI Partition ID */
46 MINIX_PARTITION = 0x81, /* Minix Partition ID */
47 UNIXWARE_PARTITION = 0x63, /* Same as GNU_HURD and SCO Unix */
48 };
49
50 #endif /* LINUX_MSDOS_PARTITION_H */
51
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