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30 #ifndef _SYS_DISK_MBR_H_
31 #define _SYS_DISK_MBR_H_
33 #include <sys/types.h>
35 #define DOSBBSECTOR 0 /* DOS boot block relative sector number */
36 #define DOSDSNOFF 440 /* WinNT/2K/XP Drive Serial Number offset */
37 #define DOSPARTOFF 446
38 #define DOSPARTSIZE 16
40 #define NEXTDOSPART 32
41 #define DOSMAGICOFFSET 510
42 #define DOSMAGIC 0xAA55
44 #define DOSPTYP_EXT 0x05 /* DOS extended partition */
45 #define DOSPTYP_FAT16 0x06 /* FAT16 partition */
46 #define DOSPTYP_NTFS 0x07 /* NTFS partition */
47 #define DOSPTYP_FAT32 0x0b /* FAT32 partition */
48 #define DOSPTYP_FAT32LBA 0x0c /* FAT32 with LBA partition */
49 #define DOSPTYP_EXTLBA 0x0f /* DOS extended partition */
50 #define DOSPTYP_PPCBOOT 0x41 /* PReP/CHRP boot partition */
51 #define DOSPTYP_LDM 0x42 /* Win2k dynamic extended partition */
52 #define DOSPTYP_DFLYBSD 0x6c /* DragonFlyBSD partition type */
53 #define DOSPTYP_LINSWP 0x82 /* Linux swap partition */
54 #define DOSPTYP_LINUX 0x83 /* Linux partition */
55 #define DOSPTYP_LINLVM 0x8e /* Linux LVM partition */
56 #define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */
57 #define DOSPTYP_APPLE_UFS 0xa8 /* Apple Mac OS X boot */
58 #define DOSPTYP_APPLE_BOOT 0xab /* Apple Mac OS X UFS */
59 #define DOSPTYP_HFS 0xaf /* HFS/HFS+ partition type */
60 #define DOSPTYP_PMBR 0xee /* GPT Protective MBR */
61 #define DOSPTYP_EFI 0xef /* EFI FAT parition */
62 #define DOSPTYP_VMFS 0xfb /* VMware VMFS partition */
63 #define DOSPTYP_VMKDIAG 0xfc /* VMware vmkDiagnostic partition */
64 #define DOSPTYP_LINRAID 0xfd /* Linux raid partition */
66 struct dos_partition {
67 unsigned char dp_flag; /* bootstrap flags */
68 unsigned char dp_shd; /* starting head */
69 unsigned char dp_ssect; /* starting sector */
70 unsigned char dp_scyl; /* starting cylinder */
71 unsigned char dp_typ; /* partition type */
72 unsigned char dp_ehd; /* end head */
73 unsigned char dp_esect; /* end sector */
74 unsigned char dp_ecyl; /* end cylinder */
75 uint32_t dp_start; /* absolute starting sector number */
76 uint32_t dp_size; /* partition size in sectors */
79 CTASSERT(sizeof (struct dos_partition) == DOSPARTSIZE);
82 #define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */
83 #define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */
85 #endif /* !_SYS_DISK_MBR_H_ */