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📄 disklabel.h

📁 FSD file system driver
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		u_int8_t p_fstype;
		u_int8_t p_frag;
		union {
			u_int16_t cpg;
			u_int16_t sgs;
		} __partition_u1;
	} d_partitions[OLDMAXPARTITIONS];
};
#endif /* __HAVE_OLD_DISKLABEL */
#else /* _LOCORE */
	/*
	 * offsets for asm boot files.
	 */
	.set	d_secsize,40
	.set	d_nsectors,44
	.set	d_ntracks,48
	.set	d_ncylinders,52
	.set	d_secpercyl,56
	.set	d_secperunit,60
	.set	d_end_,276		/* size of disk label */
#endif /* _LOCORE */

/* d_type values: */
#define	DTYPE_SMD		1		/* SMD, XSMD; VAX hp/up */
#define	DTYPE_MSCP		2		/* MSCP */
#define	DTYPE_DEC		3		/* other DEC (rk, rl) */
#define	DTYPE_SCSI		4		/* SCSI */
#define	DTYPE_ESDI		5		/* ESDI interface */
#define	DTYPE_ST506		6		/* ST506 etc. */
#define	DTYPE_HPIB		7		/* CS/80 on HP-IB */
#define	DTYPE_HPFL		8		/* HP Fiber-link */
#define	DTYPE_FLOPPY		10		/* floppy */
#define	DTYPE_CCD		11		/* concatenated disk device */
#define	DTYPE_VND		12		/* vnode pseudo-disk */
#define	DTYPE_ATAPI		13		/* ATAPI */
#define	DTYPE_RAID		14		/* RAIDframe */
#define	DTYPE_LD		15		/* logical disk */
#define	DTYPE_JFS2		16		/* IBM JFS2 */
#define	DTYPE_CGD		17		/* cryptographic pseudo-disk */
#define	DTYPE_VINUM		18		/* vinum volume */

#ifdef DKTYPENAMES
static const char *const dktypenames[] = {
	"unknown",
	"SMD",
	"MSCP",
	"old DEC",
	"SCSI",
	"ESDI",
	"ST506",
	"HP-IB",
	"HP-FL",
	"type 9",
	"floppy",
	"ccd",
	"vnd",
	"ATAPI",
	"RAID",
	"ld",
	"jfs",
	"cgd",
	"vinum",
	NULL
};
#define	DKMAXTYPES	(sizeof(dktypenames) / sizeof(dktypenames[0]) - 1)
#endif

/*
 * Filesystem type and version.
 * Used to interpret other filesystem-specific
 * per-partition information.
 *
 * These are used only for COMPAT_09 support.
 */
#define	FS_UNUSED	0		/* unused */
#define	FS_SWAP		1		/* swap */
#define	FS_V6		2		/* Sixth Edition */
#define	FS_V7		3		/* Seventh Edition */
#define	FS_SYSV		4		/* System V */
#define	FS_V71K		5		/* V7 with 1K blocks (4.1, 2.9) */
#define	FS_V8		6		/* Eighth Edition, 4K blocks */
#define	FS_BSDFFS	7		/* 4.2BSD fast file system */
#define	FS_MSDOS	8		/* MSDOS file system */
#define	FS_BSDLFS	9		/* 4.4BSD log-structured file system */
#define	FS_OTHER	10		/* in use, but unknown/unsupported */
#define	FS_HPFS		11		/* OS/2 high-performance file system */
#define	FS_ISO9660	12		/* ISO 9660, normally CD-ROM */
#define	FS_BOOT		13		/* partition contains bootstrap */
#define	FS_ADOS		14		/* AmigaDOS fast file system */
#define	FS_HFS		15		/* Macintosh HFS */
#define	FS_FILECORE	16		/* Acorn Filecore Filing System */
#define	FS_EX2FS	17		/* Linux Extended 2 file system */
#define	FS_NTFS		18		/* Windows/NT file system */
#define	FS_RAID		19		/* RAIDframe component */
#define	FS_CCD		20		/* concatenated disk component */
#define	FS_JFS2		21		/* IBM JFS2 */
#define	FS_APPLEUFS	22		/* Apple UFS */
/* XXX this is not the same as FreeBSD.  How to solve? */
#define	FS_VINUM	23		/* Vinum */

/* Adjust the FSMAXTYPES def below if you add something after APPLEUFS */

#ifdef	FSTYPENAMES
static const char *const fstypenames[] = {
	"unused",
	"swap",
	"Version 6",
	"Version 7",
	"System V",
	"4.1BSD",
	"Eighth Edition",
	"4.2BSD",
	"MSDOS",
	"4.4LFS",
	"unknown",
	"HPFS",
	"ISO9660",
	"boot",
	"ADOS",
	"HFS",
	"FILECORE",
	"Linux Ext2",
	"NTFS",
	"RAID",
	"ccd",
	"jfs",
	"Apple UFS",
	"vinum",
	NULL
};
#define	FSMAXTYPES	(sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)
#else
#define	FSMAXTYPES	(FS_VINUM + 1)
#endif

#ifdef FSCKNAMES
/* These are the names MOUNT_XXX from <sys/mount.h> */
static const char *const fscknames[] = {
	NULL,		/* unused */
	NULL,		/* swap */
	NULL,		/* Version 6 */
	NULL,		/* Version 7 */
	NULL,		/* System V */
	NULL,		/* 4.1BSD */
	NULL,		/* Eighth edition */
	"ffs",		/* 4.2BSD */
	"msdos",	/* MSDOS */
	"lfs",		/* 4.4LFS */
	NULL,		/* unknown */
	NULL,		/* HPFS */
	NULL,		/* ISO9660 */
	NULL,		/* boot */
	NULL,		/* ADOS */
	NULL,		/* HFS */
	NULL,		/* FILECORE */
	"ext2fs",	/* Linux Ext2 */
	NULL,		/* Windows/NT */
	NULL,		/* RAID Component */
	NULL,		/* concatenated disk component */
	NULL,		/* IBM JFS2 */
	"ffs",		/* Apple UFS */
	NULL		/* NULL */
};
#define	FSMAXNAMES	(sizeof(fscknames) / sizeof(fscknames[0]) - 1)

#endif

#ifdef MOUNTNAMES
/* These are the names MOUNT_XXX from <sys/mount.h> */
static const char *const mountnames[] = {
	NULL,		/* unused */
	NULL,		/* swap */
	NULL,		/* Version 6 */
	NULL,		/* Version 7 */
	NULL,		/* System V */
	NULL,		/* 4.1BSD */
	NULL,		/* Eighth edition */
	"ffs",		/* 4.2BSD */
	"msdos",	/* MSDOS */
	"lfs",		/* 4.4LFS */
	NULL,		/* unknown */
	NULL,		/* HPFS */
	"cd9660",	/* ISO9660 */
	NULL,		/* boot */
	"ados",		/* ADOS */
	NULL,		/* HFS */
	"filecore",	/* FILECORE */
	"ext2fs",	/* Linux Ext2 */
	"ntfs",		/* Windows/NT */
	NULL,		/* RAID Component */
	NULL,		/* concatenated disk component */
	NULL,		/* IBM JFS2 */
	"ffs",		/* Apple UFS */
	NULL		/* NULL */
};
#define	FSMAXMOUNTNAMES	(sizeof(mountnames) / sizeof(mountnames[0]) - 1)

#endif

/*
 * flags shared by various drives:
 */
#define		D_REMOVABLE	0x01		/* removable media */
#define		D_ECC		0x02		/* supports ECC */
#define		D_BADSECT	0x04		/* supports bad sector forw. */
#define		D_RAMDISK	0x08		/* disk emulator */
#define		D_CHAIN		0x10		/* can do back-back transfers */

/*
 * Drive data for SMD.
 */
#define	d_smdflags	d_drivedata[0]
#define		D_SSE		0x1		/* supports skip sectoring */
#define	d_mindist	d_drivedata[1]
#define	d_maxdist	d_drivedata[2]
#define	d_sdist		d_drivedata[3]

/*
 * Drive data for ST506.
 */
#define	d_precompcyl	d_drivedata[0]
#define	d_gap3		d_drivedata[1]		/* used only when formatting */

/*
 * Drive data for SCSI.
 */
#define	d_blind		d_drivedata[0]

#ifndef _LOCORE
/*
 * Structure used to perform a format or other raw operation,
 * returning data and/or register values.  Register identification
 * and format are device- and driver-dependent. Currently unused.
 */
struct format_op {
	char	*df_buf;
	int	 df_count;		/* value-result */
	daddr_t	 df_startblk;
	int	 df_reg[8];		/* result */
};

/*
 * Structure used internally to retrieve information about a partition
 * on a disk.
 */
struct partinfo {
	struct disklabel *disklab;
	struct partition *part;
};

#ifdef _KERNEL

struct disk;

void	 diskerr __P((const struct buf *, const char *, const char *, int,
	    int, const struct disklabel *));
u_int	 dkcksum __P((struct disklabel *));
int	 setdisklabel __P((struct disklabel *, struct disklabel *, u_long,
	    struct cpu_disklabel *));
const char *readdisklabel __P((dev_t, void (*)(struct buf *),
	    struct disklabel *, struct cpu_disklabel *));
int	 writedisklabel __P((dev_t, void (*)(struct buf *), struct disklabel *,
	    struct cpu_disklabel *));
int	 bounds_check_with_label __P((struct disk *, struct buf *, int));
int	 bounds_check_with_mediasize __P((struct buf *, int, u_int64_t));
#endif
#endif /* _LOCORE */

#if !defined(_KERNEL) && !defined(_LOCORE)

#if 0 /* XXX ffsdrv */
#include <sys/cdefs.h>
#endif

#endif

#endif /* !_SYS_DISKLABEL_H_ */

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