diff options
author | phk <phk@FreeBSD.org> | 2002-10-01 19:29:19 +0000 |
---|---|---|
committer | phk <phk@FreeBSD.org> | 2002-10-01 19:29:19 +0000 |
commit | 25500cc0636e900d7b9d50304aa270a9645970b5 (patch) | |
tree | b5f58f6fae0cb455b7d7ab3ff2219d86f2a69615 /sys | |
parent | 0ef73680b0804e188be2116522496e0d3f950e1f (diff) | |
download | FreeBSD-src-25500cc0636e900d7b9d50304aa270a9645970b5.zip FreeBSD-src-25500cc0636e900d7b9d50304aa270a9645970b5.tar.gz |
Divorce bsd disklabels, IBM PC MBR's and whatever the things are
called on NEC PC98 machines.
Sponsored by: DARPA & NAI Labs.
Diffstat (limited to 'sys')
-rw-r--r-- | sys/sys/disklabel.h | 57 | ||||
-rw-r--r-- | sys/sys/diskmbr.h | 357 | ||||
-rw-r--r-- | sys/sys/diskpc98.h | 361 |
3 files changed, 6 insertions, 769 deletions
diff --git a/sys/sys/disklabel.h b/sys/sys/disklabel.h index c2e3b8f..e476958 100644 --- a/sys/sys/disklabel.h +++ b/sys/sys/disklabel.h @@ -289,63 +289,6 @@ static const char *fstypenames[] = { #define D_RAMDISK 0x08 /* disk emulator */ #define D_CHAIN 0x10 /* can do back-back transfers */ -/* DOS partition table -- located in boot block */ - -#if defined(PC98) && !defined(PC98_ATCOMPAT) -#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ -#define DOSPARTOFF 0 -#define NDOSPART 16 -#define DOSPTYP_386BSD 0x94 /* 386BSD partition type */ - -struct dos_partition { - unsigned char dp_mid; -#define DOSMID_386BSD (0x14|0x80) /* 386bsd|bootable */ - unsigned char dp_sid; -#define DOSSID_386BSD (0x44|0x80) /* 386bsd|active */ - unsigned char dp_dum1; - unsigned char dp_dum2; - unsigned char dp_ipl_sct; - unsigned char dp_ipl_head; - unsigned short dp_ipl_cyl; - unsigned char dp_ssect; /* starting sector */ - unsigned char dp_shd; /* starting head */ - unsigned short dp_scyl; /* starting cylinder */ - unsigned char dp_esect; /* end sector */ - unsigned char dp_ehd; /* end head */ - unsigned short dp_ecyl; /* end cylinder */ - unsigned char dp_name[16]; -}; - -#else /* IBMPC */ -#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ -#define DOSPARTOFF 446 -#define NDOSPART 4 -#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ -#define DOSPTYP_LINSWP 0x82 /* Linux swap partition */ -#define DOSPTYP_LINUX 0x83 /* Linux partition */ -#define DOSPTYP_EXT 5 /* DOS extended partition */ -#define DOSPTYP_EXTLBA 15 /* DOS extended partition */ - -struct dos_partition { - unsigned char dp_flag; /* bootstrap flags */ - unsigned char dp_shd; /* starting head */ - unsigned char dp_ssect; /* starting sector */ - unsigned char dp_scyl; /* starting cylinder */ - unsigned char dp_typ; /* partition type */ - unsigned char dp_ehd; /* end head */ - unsigned char dp_esect; /* end sector */ - unsigned char dp_ecyl; /* end cylinder */ - u_int32_t dp_start; /* absolute starting sector number */ - u_int32_t dp_size; /* partition size in sectors */ -}; -#ifdef CTASSERT -CTASSERT(sizeof (struct dos_partition) == 16); -#endif -#endif - -#define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */ -#define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */ - /* * Disklabel-specific ioctls. * diff --git a/sys/sys/diskmbr.h b/sys/sys/diskmbr.h index c2e3b8f..e10401d 100644 --- a/sys/sys/diskmbr.h +++ b/sys/sys/diskmbr.h @@ -34,289 +34,9 @@ * $FreeBSD$ */ -#ifndef _SYS_DISKLABEL_H_ -#define _SYS_DISKLABEL_H_ +#ifndef _SYS_DISKMBR_H_ +#define _SYS_DISKMBR_H_ -#ifndef _KERNEL -#include <sys/types.h> -#endif -#include <sys/ioccom.h> - -/* - * Disk description table, see disktab(5) - */ -#define _PATH_DISKTAB "/etc/disktab" - -/* - * Each disk has a label which includes information about the hardware - * disk geometry, filesystem partitions, and drive specific information. - * The label is in block 0 or 1, possibly offset from the beginning - * to leave room for a bootstrap, etc. - */ - -/* XXX these should be defined per controller (or drive) elsewhere, not here! */ -#ifdef __i386__ -#define LABELSECTOR 1 /* sector containing label */ -#define LABELOFFSET 0 /* offset of label in sector */ -#endif - -#ifdef __alpha__ -#define LABELSECTOR 0 -#define LABELOFFSET 64 -#endif - -#ifdef __ia64__ -#define LABELSECTOR 1 -#define LABELOFFSET 0 -#endif - -#ifdef __sparc64__ -#define LABELSECTOR 0 -#define LABELOFFSET 128 -#endif - -#ifndef LABELSECTOR -#define LABELSECTOR 0 -#endif - -#ifndef LABELOFFSET -#define LABELOFFSET 64 -#endif - -#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */ -#ifndef MAXPARTITIONS -#define MAXPARTITIONS 8 -#endif - -/* Size of bootblock area in sector-size neutral bytes */ -#define BBSIZE 8192 - -#define LABEL_PART 2 /* partition containing label */ -#define RAW_PART 2 /* partition containing whole disk */ -#define SWAP_PART 1 /* partition normally containing swap */ - -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" */ - - char d_packname[16]; /* pack identifier */ - - /* 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 - * d_nsectors or d_secpercyl. Spare sectors are assumed to - * 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 */ - /* - * Alternate cylinders include maintenance, replacement, configuration - * description areas, etc. - */ - u_int32_t d_acylinders; /* # of alt. cylinders per unit */ - - /* hardware characteristics: */ - /* - * d_interleave, d_trackskew and d_cylskew describe perturbations - * in the media format used to compensate for a slow controller. - * Interleave is physical sector interleave, set up by the - * formatter or controller when formatting. When interleaving is - * in use, logically adjacent sectors are not physically - * contiguous, but instead are separated by some number of - * sectors. It is specified as the ratio of physical sectors - * traversed per logical sector. Thus an interleave of 1:1 - * implies contiguous layout, while 2:1 implies that logical - * sector 0 is separated by one sector from logical sector 1. - * d_trackskew is the offset of sector 0 on track N relative to - * sector 0 on track N-1 on the same cylinder. Finally, d_cylskew - * 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 */ -#define NDDATA 5 - 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_int16_t p_cpg; /* filesystem cylinders per group */ - } d_partitions[MAXPARTITIONS]; /* actually may be more */ -}; - -#ifdef CTASSERT -CTASSERT(sizeof(struct disklabel) == 276); -#endif - -static __inline u_int16_t dkcksum(struct disklabel *lp); -static __inline u_int16_t -dkcksum(struct disklabel *lp) -{ - u_int16_t *start, *end; - u_int16_t sum = 0; - - start = (u_int16_t *)lp; - end = (u_int16_t *)&lp->d_partitions[lp->d_npartitions]; - while (start < end) - sum ^= *start++; - return (sum); -} - - -/* 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 */ -#define DTYPE_VINUM 12 /* vinum volume */ -#define DTYPE_DOC2K 13 /* Msys DiskOnChip */ -#define DTYPE_JFS2 16 /* IBM JFS 2 */ - -#ifdef DKTYPENAMES -static const char *dktypenames[] = { - "unknown", - "SMD", - "MSCP", - "old DEC", - "SCSI", - "ESDI", - "ST506", - "HP-IB", - "HP-FL", - "type 9", - "floppy", - "CCD", - "Vinum", - "DOC2K", - "?", - "?", - "jfs", - NULL -}; -#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) -#endif - -/* - * Filesystem type and version. - * 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 filesystem */ -#define FS_MSDOS 8 /* MSDOS filesystem */ -#define FS_BSDLFS 9 /* 4.4BSD log-structured filesystem */ -#define FS_OTHER 10 /* in use, but unknown/unsupported */ -#define FS_HPFS 11 /* OS/2 high-performance filesystem */ -#define FS_ISO9660 12 /* ISO 9660, normally CD-ROM */ -#define FS_BOOT 13 /* partition contains bootstrap */ -#define FS_VINUM 14 /* Vinum drive */ -#define FS_JFS2 21 /* IBM JFS2 */ - -#ifdef FSTYPENAMES -static const char *fstypenames[] = { - "unused", - "swap", - "Version 6", - "Version 7", - "System V", - "4.1BSD", - "Eighth Edition", - "4.2BSD", - "MSDOS", - "4.4LFS", - "unknown", - "HPFS", - "ISO9660", - "boot", - "vinum", - "?", - "?", - "?", - "?", - "?", - "?", - "?", - "jfs", - NULL -}; -#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 */ - -/* DOS partition table -- located in boot block */ - -#if defined(PC98) && !defined(PC98_ATCOMPAT) -#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ -#define DOSPARTOFF 0 -#define NDOSPART 16 -#define DOSPTYP_386BSD 0x94 /* 386BSD partition type */ - -struct dos_partition { - unsigned char dp_mid; -#define DOSMID_386BSD (0x14|0x80) /* 386bsd|bootable */ - unsigned char dp_sid; -#define DOSSID_386BSD (0x44|0x80) /* 386bsd|active */ - unsigned char dp_dum1; - unsigned char dp_dum2; - unsigned char dp_ipl_sct; - unsigned char dp_ipl_head; - unsigned short dp_ipl_cyl; - unsigned char dp_ssect; /* starting sector */ - unsigned char dp_shd; /* starting head */ - unsigned short dp_scyl; /* starting cylinder */ - unsigned char dp_esect; /* end sector */ - unsigned char dp_ehd; /* end head */ - unsigned short dp_ecyl; /* end cylinder */ - unsigned char dp_name[16]; -}; - -#else /* IBMPC */ #define DOSBBSECTOR 0 /* DOS boot block relative sector number */ #define DOSPARTOFF 446 #define NDOSPART 4 @@ -341,79 +61,8 @@ struct dos_partition { #ifdef CTASSERT CTASSERT(sizeof (struct dos_partition) == 16); #endif -#endif #define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */ #define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */ -/* - * Disklabel-specific ioctls. - * - * NB: <sys/disk.h> defines ioctls from 'd'/128 and up. - */ - /* get and set disklabel */ -#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 DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ - -#ifdef _KERNEL - -/* - * XXX encoding of disk minor numbers, should be elsewhere. - * - * See <sys/reboot.h> for a possibly better encoding. - * - * "cpio -H newc" can be used to back up device files with large minor - * numbers (but not ones >= 2^31). Old cpio formats and all tar formats - * don't have enough bits, and cpio and tar don't notice the lossage. - * There are also some sign extension bugs. - */ - -/* - 3 2 1 0 - 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - _________________________________________________________________ - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - ----------------------------------------------------------------- - | SPARE |UNIT_2 | SLICE | MAJOR? | UNIT |PART | - ----------------------------------------------------------------- -*/ - -#define DKMAXUNIT 0x1ff - -#define dkmakeminor(unit, slice, part) \ - (((slice) << 16) | (((unit) & 0x1e0) << 16) | \ - (((unit) & 0x1f) << 3) | (part)) -#define dkpart(dev) (minor(dev) & 7) -#define dkslice(dev) ((minor(dev) >> 16) & 0x1f) -#define dksparebits(dev) ((minor(dev) >> 25) & 0x7f) - -struct bio; -struct bio_queue_head; - -int bounds_check_with_label(struct bio *bp, struct disklabel *lp, - int wlabel); -dev_t dkmodpart(dev_t dev, int part); -dev_t dkmodslice(dev_t dev, int slice); -u_int dkunit(dev_t dev); -char *readdisklabel(dev_t dev, struct disklabel *lp); -int setdisklabel(struct disklabel *olp, struct disklabel *nlp, - u_long openmask); -int writedisklabel(dev_t dev, struct disklabel *lp); -#ifdef __alpha__ -struct buf; -void alpha_fix_srm_checksum(struct buf *bp); -#endif - -#endif /* _KERNEL */ - - -#ifndef _KERNEL -__BEGIN_DECLS -struct disklabel *getdiskbyname(const char *); -__END_DECLS -#endif - -#endif /* !_SYS_DISKLABEL_H_ */ +#endif /* !_SYS_DISKMBR_H_ */ diff --git a/sys/sys/diskpc98.h b/sys/sys/diskpc98.h index c2e3b8f..bf37b8a 100644 --- a/sys/sys/diskpc98.h +++ b/sys/sys/diskpc98.h @@ -34,264 +34,9 @@ * $FreeBSD$ */ -#ifndef _SYS_DISKLABEL_H_ -#define _SYS_DISKLABEL_H_ +#ifndef _SYS_DISKPC98_H_ +#define _SYS_DISKPC98_H_ -#ifndef _KERNEL -#include <sys/types.h> -#endif -#include <sys/ioccom.h> - -/* - * Disk description table, see disktab(5) - */ -#define _PATH_DISKTAB "/etc/disktab" - -/* - * Each disk has a label which includes information about the hardware - * disk geometry, filesystem partitions, and drive specific information. - * The label is in block 0 or 1, possibly offset from the beginning - * to leave room for a bootstrap, etc. - */ - -/* XXX these should be defined per controller (or drive) elsewhere, not here! */ -#ifdef __i386__ -#define LABELSECTOR 1 /* sector containing label */ -#define LABELOFFSET 0 /* offset of label in sector */ -#endif - -#ifdef __alpha__ -#define LABELSECTOR 0 -#define LABELOFFSET 64 -#endif - -#ifdef __ia64__ -#define LABELSECTOR 1 -#define LABELOFFSET 0 -#endif - -#ifdef __sparc64__ -#define LABELSECTOR 0 -#define LABELOFFSET 128 -#endif - -#ifndef LABELSECTOR -#define LABELSECTOR 0 -#endif - -#ifndef LABELOFFSET -#define LABELOFFSET 64 -#endif - -#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */ -#ifndef MAXPARTITIONS -#define MAXPARTITIONS 8 -#endif - -/* Size of bootblock area in sector-size neutral bytes */ -#define BBSIZE 8192 - -#define LABEL_PART 2 /* partition containing label */ -#define RAW_PART 2 /* partition containing whole disk */ -#define SWAP_PART 1 /* partition normally containing swap */ - -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" */ - - char d_packname[16]; /* pack identifier */ - - /* 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 - * d_nsectors or d_secpercyl. Spare sectors are assumed to - * 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 */ - /* - * Alternate cylinders include maintenance, replacement, configuration - * description areas, etc. - */ - u_int32_t d_acylinders; /* # of alt. cylinders per unit */ - - /* hardware characteristics: */ - /* - * d_interleave, d_trackskew and d_cylskew describe perturbations - * in the media format used to compensate for a slow controller. - * Interleave is physical sector interleave, set up by the - * formatter or controller when formatting. When interleaving is - * in use, logically adjacent sectors are not physically - * contiguous, but instead are separated by some number of - * sectors. It is specified as the ratio of physical sectors - * traversed per logical sector. Thus an interleave of 1:1 - * implies contiguous layout, while 2:1 implies that logical - * sector 0 is separated by one sector from logical sector 1. - * d_trackskew is the offset of sector 0 on track N relative to - * sector 0 on track N-1 on the same cylinder. Finally, d_cylskew - * 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 */ -#define NDDATA 5 - 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_int16_t p_cpg; /* filesystem cylinders per group */ - } d_partitions[MAXPARTITIONS]; /* actually may be more */ -}; - -#ifdef CTASSERT -CTASSERT(sizeof(struct disklabel) == 276); -#endif - -static __inline u_int16_t dkcksum(struct disklabel *lp); -static __inline u_int16_t -dkcksum(struct disklabel *lp) -{ - u_int16_t *start, *end; - u_int16_t sum = 0; - - start = (u_int16_t *)lp; - end = (u_int16_t *)&lp->d_partitions[lp->d_npartitions]; - while (start < end) - sum ^= *start++; - return (sum); -} - - -/* 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 */ -#define DTYPE_VINUM 12 /* vinum volume */ -#define DTYPE_DOC2K 13 /* Msys DiskOnChip */ -#define DTYPE_JFS2 16 /* IBM JFS 2 */ - -#ifdef DKTYPENAMES -static const char *dktypenames[] = { - "unknown", - "SMD", - "MSCP", - "old DEC", - "SCSI", - "ESDI", - "ST506", - "HP-IB", - "HP-FL", - "type 9", - "floppy", - "CCD", - "Vinum", - "DOC2K", - "?", - "?", - "jfs", - NULL -}; -#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) -#endif - -/* - * Filesystem type and version. - * 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 filesystem */ -#define FS_MSDOS 8 /* MSDOS filesystem */ -#define FS_BSDLFS 9 /* 4.4BSD log-structured filesystem */ -#define FS_OTHER 10 /* in use, but unknown/unsupported */ -#define FS_HPFS 11 /* OS/2 high-performance filesystem */ -#define FS_ISO9660 12 /* ISO 9660, normally CD-ROM */ -#define FS_BOOT 13 /* partition contains bootstrap */ -#define FS_VINUM 14 /* Vinum drive */ -#define FS_JFS2 21 /* IBM JFS2 */ - -#ifdef FSTYPENAMES -static const char *fstypenames[] = { - "unused", - "swap", - "Version 6", - "Version 7", - "System V", - "4.1BSD", - "Eighth Edition", - "4.2BSD", - "MSDOS", - "4.4LFS", - "unknown", - "HPFS", - "ISO9660", - "boot", - "vinum", - "?", - "?", - "?", - "?", - "?", - "?", - "?", - "jfs", - NULL -}; -#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 */ - -/* DOS partition table -- located in boot block */ - -#if defined(PC98) && !defined(PC98_ATCOMPAT) #define DOSBBSECTOR 0 /* DOS boot block relative sector number */ #define DOSPARTOFF 0 #define NDOSPART 16 @@ -316,104 +61,4 @@ struct dos_partition { unsigned char dp_name[16]; }; -#else /* IBMPC */ -#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ -#define DOSPARTOFF 446 -#define NDOSPART 4 -#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ -#define DOSPTYP_LINSWP 0x82 /* Linux swap partition */ -#define DOSPTYP_LINUX 0x83 /* Linux partition */ -#define DOSPTYP_EXT 5 /* DOS extended partition */ -#define DOSPTYP_EXTLBA 15 /* DOS extended partition */ - -struct dos_partition { - unsigned char dp_flag; /* bootstrap flags */ - unsigned char dp_shd; /* starting head */ - unsigned char dp_ssect; /* starting sector */ - unsigned char dp_scyl; /* starting cylinder */ - unsigned char dp_typ; /* partition type */ - unsigned char dp_ehd; /* end head */ - unsigned char dp_esect; /* end sector */ - unsigned char dp_ecyl; /* end cylinder */ - u_int32_t dp_start; /* absolute starting sector number */ - u_int32_t dp_size; /* partition size in sectors */ -}; -#ifdef CTASSERT -CTASSERT(sizeof (struct dos_partition) == 16); -#endif -#endif - -#define DPSECT(s) ((s) & 0x3f) /* isolate relevant bits of sector */ -#define DPCYL(c, s) ((c) + (((s) & 0xc0)<<2)) /* and those that are cylinder */ - -/* - * Disklabel-specific ioctls. - * - * NB: <sys/disk.h> defines ioctls from 'd'/128 and up. - */ - /* get and set disklabel */ -#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 DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ - -#ifdef _KERNEL - -/* - * XXX encoding of disk minor numbers, should be elsewhere. - * - * See <sys/reboot.h> for a possibly better encoding. - * - * "cpio -H newc" can be used to back up device files with large minor - * numbers (but not ones >= 2^31). Old cpio formats and all tar formats - * don't have enough bits, and cpio and tar don't notice the lossage. - * There are also some sign extension bugs. - */ - -/* - 3 2 1 0 - 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - _________________________________________________________________ - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - ----------------------------------------------------------------- - | SPARE |UNIT_2 | SLICE | MAJOR? | UNIT |PART | - ----------------------------------------------------------------- -*/ - -#define DKMAXUNIT 0x1ff - -#define dkmakeminor(unit, slice, part) \ - (((slice) << 16) | (((unit) & 0x1e0) << 16) | \ - (((unit) & 0x1f) << 3) | (part)) -#define dkpart(dev) (minor(dev) & 7) -#define dkslice(dev) ((minor(dev) >> 16) & 0x1f) -#define dksparebits(dev) ((minor(dev) >> 25) & 0x7f) - -struct bio; -struct bio_queue_head; - -int bounds_check_with_label(struct bio *bp, struct disklabel *lp, - int wlabel); -dev_t dkmodpart(dev_t dev, int part); -dev_t dkmodslice(dev_t dev, int slice); -u_int dkunit(dev_t dev); -char *readdisklabel(dev_t dev, struct disklabel *lp); -int setdisklabel(struct disklabel *olp, struct disklabel *nlp, - u_long openmask); -int writedisklabel(dev_t dev, struct disklabel *lp); -#ifdef __alpha__ -struct buf; -void alpha_fix_srm_checksum(struct buf *bp); -#endif - -#endif /* _KERNEL */ - - -#ifndef _KERNEL -__BEGIN_DECLS -struct disklabel *getdiskbyname(const char *); -__END_DECLS -#endif - -#endif /* !_SYS_DISKLABEL_H_ */ +#endif /* !_SYS_DISKPC98_H_ */ |