* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
#define _SYS_DISKLABEL_H_
#include <sys/appleapiopts.h>
-#include <sys/types.h> /* for daddr_t */
+#include <sys/types.h> /* for daddr_t */
#ifdef __APPLE_API_OBSOLETE
/*
* Disk description table, see disktab(5)
*/
-#define _PATH_DISKTAB "/etc/disktab"
-#define DISKTAB "/etc/disktab" /* deprecated */
+#define _PATH_DISKTAB "/etc/disktab"
+#define DISKTAB "/etc/disktab" /* deprecated */
/*
* Each disk has a label which includes information about the hardware
* This is the maximum value of MAXPARTITIONS for which 'struct disklabel'
* is <= DEV_BSIZE bytes long. If MAXPARTITIONS is greater than this, beware.
*/
-#define MAXMAXPARTITIONS 22
+#define MAXMAXPARTITIONS 22
#if MAXPARTITIONS > MAXMAXPARTITIONS
#warning beware: MAXPARTITIONS bigger than MAXMAXPARTITIONS
#endif
/*
* Translate between device numbers and major/disk unit/disk partition.
*/
-#define DISKUNIT(dev) (minor(dev) / MAXPARTITIONS)
-#define DISKPART(dev) (minor(dev) % MAXPARTITIONS)
-#define MAKEDISKDEV(maj, unit, part) \
+#define DISKUNIT(dev) (minor(dev) / MAXPARTITIONS)
+#define DISKPART(dev) (minor(dev) % MAXPARTITIONS)
+#define MAKEDISKDEV(maj, unit, part) \
(makedev((maj), ((unit) * MAXPARTITIONS) + (part)))
-#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */
+#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */
#ifndef LOCORE
struct disklabel {
- u_int32_t d_magic; /* the magic number */
- u_int16_t d_type; /* drive type */
- u_int16_t d_subtype; /* controller/d_type specific */
- char d_typename[16]; /* type name, e.g. "eagle" */
+ u_int32_t d_magic; /* the magic number */
+ u_int16_t d_type; /* drive type */
+ u_int16_t d_subtype; /* controller/d_type specific */
+ char d_typename[16]; /* type name, e.g. "eagle" */
- /*
+ /*
* d_packname contains the pack identifier and is returned when
* the disklabel is read off the disk or in-core copy.
* d_boot0 and d_boot1 are the (optional) names of the
* getdiskbyname(3) to retrieve the values from /etc/disktab.
*/
union {
- char un_d_packname[16]; /* pack identifier */
+ char un_d_packname[16]; /* pack identifier */
struct {
- char *un_d_boot0; /* primary bootstrap name */
- char *un_d_boot1; /* secondary bootstrap name */
- } un_b;
- } d_un;
-#define d_packname d_un.un_d_packname
-#define d_boot0 d_un.un_b.un_d_boot0
-#define d_boot1 d_un.un_b.un_d_boot1
-
- /* disk geometry: */
- u_int32_t d_secsize; /* # of bytes per sector */
- u_int32_t d_nsectors; /* # of data sectors per track */
- u_int32_t d_ntracks; /* # of tracks per cylinder */
- u_int32_t d_ncylinders; /* # of data cylinders per unit */
- u_int32_t d_secpercyl; /* # of data sectors per cylinder */
- u_int32_t d_secperunit; /* # of data sectors per unit */
+ char *un_d_boot0; /* primary bootstrap name */
+ char *un_d_boot1; /* secondary bootstrap name */
+ } un_b;
+ } d_un;
+#define d_packname d_un.un_d_packname
+#define d_boot0 d_un.un_b.un_d_boot0
+#define d_boot1 d_un.un_b.un_d_boot1
+
+ /* disk geometry: */
+ u_int32_t d_secsize; /* # of bytes per sector */
+ u_int32_t d_nsectors; /* # of data sectors per track */
+ u_int32_t d_ntracks; /* # of tracks per cylinder */
+ u_int32_t d_ncylinders; /* # of data cylinders per unit */
+ u_int32_t d_secpercyl; /* # of data sectors per cylinder */
+ u_int32_t d_secperunit; /* # of data sectors per unit */
/*
* Spares (bad sector replacements) below are not counted in
* be physical sectors which occupy space at the end of each
* track and/or cylinder.
*/
- u_int16_t d_sparespertrack; /* # of spare sectors per track */
- u_int16_t d_sparespercyl; /* # of spare sectors per cylinder */
+ u_int16_t d_sparespertrack; /* # of spare sectors per track */
+ u_int16_t d_sparespercyl; /* # of spare sectors per cylinder */
/*
* Alternate cylinders include maintenance, replacement, configuration
* description areas, etc.
*/
- u_int32_t d_acylinders; /* # of alt. cylinders per unit */
+ u_int32_t d_acylinders; /* # of alt. cylinders per unit */
- /* hardware characteristics: */
+ /* hardware characteristics: */
/*
* d_interleave, d_trackskew and d_cylskew describe perturbations
* in the media format used to compensate for a slow controller.
* is the offset of sector 0 on cylinder N relative to sector 0
* on cylinder N-1.
*/
- u_int16_t d_rpm; /* rotational speed */
- u_int16_t d_interleave; /* hardware sector interleave */
- u_int16_t d_trackskew; /* sector 0 skew, per track */
- u_int16_t d_cylskew; /* sector 0 skew, per cylinder */
- u_int32_t d_headswitch; /* head switch time, usec */
- u_int32_t d_trkseek; /* track-to-track seek, usec */
- u_int32_t d_flags; /* generic flags */
+ u_int16_t d_rpm; /* rotational speed */
+ u_int16_t d_interleave; /* hardware sector interleave */
+ u_int16_t d_trackskew; /* sector 0 skew, per track */
+ u_int16_t d_cylskew; /* sector 0 skew, per cylinder */
+ u_int32_t d_headswitch; /* head switch time, usec */
+ u_int32_t d_trkseek; /* track-to-track seek, usec */
+ u_int32_t d_flags; /* generic flags */
#define NDDATA 5
- u_int32_t d_drivedata[NDDATA]; /* drive-type specific information */
+ u_int32_t d_drivedata[NDDATA]; /* drive-type specific information */
#define NSPARE 5
- u_int32_t d_spare[NSPARE]; /* reserved for future use */
- u_int32_t d_magic2; /* the magic number (again) */
- u_int16_t d_checksum; /* xor of data incl. partitions */
-
- /* filesystem and partition information: */
- u_int16_t d_npartitions; /* number of partitions in following */
- u_int32_t d_bbsize; /* size of boot area at sn0, bytes */
- u_int32_t d_sbsize; /* max size of fs superblock, bytes */
- struct partition { /* the partition table */
- u_int32_t p_size; /* number of sectors in partition */
- u_int32_t p_offset; /* starting sector */
- u_int32_t p_fsize; /* filesystem basic fragment size */
- u_int8_t p_fstype; /* filesystem type, see below */
- u_int8_t p_frag; /* filesystem fragments per block */
+ u_int32_t d_spare[NSPARE]; /* reserved for future use */
+ u_int32_t d_magic2; /* the magic number (again) */
+ u_int16_t d_checksum; /* xor of data incl. partitions */
+
+ /* filesystem and partition information: */
+ u_int16_t d_npartitions; /* number of partitions in following */
+ u_int32_t d_bbsize; /* size of boot area at sn0, bytes */
+ u_int32_t d_sbsize; /* max size of fs superblock, bytes */
+ struct partition { /* the partition table */
+ u_int32_t p_size; /* number of sectors in partition */
+ u_int32_t p_offset; /* starting sector */
+ u_int32_t p_fsize; /* filesystem basic fragment size */
+ u_int8_t p_fstype; /* filesystem type, see below */
+ u_int8_t p_frag; /* filesystem fragments per block */
union {
- u_int16_t cpg; /* UFS: FS cylinders per group */
- u_int16_t sgs; /* LFS: FS segment shift */
+ u_int16_t cpg; /* UFS: FS cylinders per group */
+ u_int16_t sgs; /* LFS: FS segment shift */
} __partition_u1;
-#define p_cpg __partition_u1.cpg
-#define p_sgs __partition_u1.sgs
- } d_partitions[MAXPARTITIONS]; /* actually may be more */
+#define p_cpg __partition_u1.cpg
+#define p_sgs __partition_u1.sgs
+ } d_partitions[MAXPARTITIONS]; /* actually may be more */
};
#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 */
+/*
+ * 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_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 */
#ifdef DKTYPENAMES
static const char *dktypenames[] = {
"floppy",
NULL
};
-#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1)
+#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1)
#endif
/*
* Used to interpret other filesystem-specific
* per-partition information.
*/
-#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 */
-
-#ifdef DKTYPENAMES
+#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 */
+
+#ifdef DKTYPENAMES
static const char *fstypenames[] = {
"unused",
"swap",
"HFS",
NULL
};
-#define FSMAXTYPES (sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)
+#define FSMAXTYPES (sizeof(fstypenames) / sizeof(fstypenames[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 */
+#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]
+#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 */
+#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]
+#define d_blind d_drivedata[0]
#ifndef LOCORE
/*
* are device- and driver-dependent.
*/
struct format_op {
- char *df_buf;
- int df_count; /* value-result */
- daddr_t df_startblk;
- int df_reg[8]; /* result */
+ char *df_buf;
+ int df_count; /* value-result */
+ daddr_t df_startblk;
+ int df_reg[8]; /* result */
};
/*
/*
* Disk-specific ioctls.
*/
- /* get and set disklabel; DIOCGPART used internally */
-#define DIOCGDINFO _IOR('d', 101, struct disklabel)/* get */
-#define DIOCSDINFO _IOW('d', 102, struct disklabel)/* set */
-#define DIOCWDINFO _IOW('d', 103, struct disklabel)/* set, update disk */
-#define DIOCGPART _IOW('d', 104, struct partinfo) /* get partition */
+/* get and set disklabel; DIOCGPART used internally */
+#define DIOCGDINFO _IOR('d', 101, struct disklabel)/* get */
+#define DIOCSDINFO _IOW('d', 102, struct disklabel)/* set */
+#define DIOCWDINFO _IOW('d', 103, struct disklabel)/* set, update disk */
+#define DIOCGPART _IOW('d', 104, struct partinfo) /* get partition */
/* do format operation, read or write */
-#define DIOCRFORMAT _IOWR('d', 105, struct format_op)
-#define DIOCWFORMAT _IOWR('d', 106, struct format_op)
+#define DIOCRFORMAT _IOWR('d', 105, struct format_op)
+#define DIOCWFORMAT _IOWR('d', 106, struct format_op)
-#define DIOCSSTEP _IOW('d', 107, int) /* set step rate */
-#define DIOCSRETRIES _IOW('d', 108, int) /* set # of retries */
-#define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */
+#define DIOCSSTEP _IOW('d', 107, int) /* set step rate */
+#define DIOCSRETRIES _IOW('d', 108, int) /* set # of retries */
+#define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */
-#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
+#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
#endif /* LOCORE */
#endif /* __APPLE_API_OBSOLETE */
#endif /* ! _SYS_DISKLABEL_H_ */
-
projects / apple / xnu.git / blobdiff