disklabel.h:
Prepare for disk slices - more macros for handling disk device numbers, version of readdisklabel() without DOS goop. Clean up prototypes. Uniformize idempotency ifdef. diskslice.h: New file. dkbad.h: Define more magic numbers. Declare internalized version of dkbad struct and functions to operate on it. Uniformize idempotency ifdef.
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@ -35,7 +35,7 @@
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*/
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#ifndef _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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/*
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* Disk description table, see disktab(5)
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@ -50,6 +50,12 @@
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* to leave room for a bootstrap, etc.
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*/
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/*
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* XXX the following will go away when conversion to the slice version is
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* complete: OURPART, RAWPART, readMSPtolabel, readMBRtolabel, dkminor,
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* the DOSified readdisklabel, DOS stuff in this file.
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*/
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/* XXX these should be defined per controller (or drive) elsewhere, not here! */
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#ifdef __i386__
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#define LABELSECTOR 1 /* sector containing label */
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@ -88,6 +94,9 @@
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#define MAXPARTITIONS 8
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#endif
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#define LABEL_PART 2 /* partition containing label */
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#define RAW_PART 2 /* partition containing whole disk */
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#define SWAP_PART 1 /* partition normally containing swap */
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#ifndef LOCORE
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struct disklabel {
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@ -375,21 +384,55 @@ extern struct dos_partition dos_partitions[NDOSPART];
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#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
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#endif /* LOCORE */
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/*
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* XXX encoding of disk minor numbers, should be elsewhere.
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*
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* See <sys/reboot.h> for a possibly better encoding.
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*
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* "cpio -H newc" can be used to back up device files with large minor
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* numbers (but not ones >= 2^31). Old cpio formats and all tar formats
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* don't have enough bits, and cpio and tar don't notice the lossage.
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* There are also some sign extension bugs.
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*/
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#define dkmakeminor(unit, slice, part) \
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(((slice) << 16) | ((unit) << 3) | (part))
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#define dkminor(unit, part) dkmakeminor((unit), 0, (part))
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#define dkmodpart(dev, part) (((dev) & ~(dev_t)7) | (part))
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#define dkmodslice(dev, slice) (((dev) & ~(dev_t)0x1f0000) | ((slice) << 16))
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#define dkpart(dev) (minor(dev) & 7)
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#define dkslice(dev) ((minor(dev) >> 16) & 0x1f)
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#define dktype(dev) ((minor(dev) >> 21) & 0x7ff)
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#define dkunit(dev) ((minor(dev) >> 3) & 0x1f)
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#ifdef KERNEL
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struct dkbad;
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/*
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* We're not ready to use <sys/disk.h>.
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*/
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#include <sys/conf.h>
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u_int dkcksum __P((struct disklabel *));
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int writedisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp));
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char * readdisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp, struct dos_partition *dp, struct dkbad *bdp));
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp, u_long openmask));
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char *correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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void diskerr __P((struct buf *bp, char *dname, char *what, int pri,
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int blkdone, struct disklabel *lp));
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void disksort __P((struct buf *ap, struct buf *bp));
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void diskerr __P((struct buf *, char *, char *, int, int, struct disklabel *));
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#ifdef __i386
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char * readMBRtolabel __P(( dev_t dev , void (*strat)(), register struct disklabel *lp, struct dos_partition *dp, int *cyl));
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#endif
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u_int dkcksum __P((struct disklabel *lp));
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struct dkbad;
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char *readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp,
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struct dos_partition *dp, struct dkbad *bdp));
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#ifdef __i386__
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char *readMBRtolabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp, struct dos_partition *dp,
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int *cyl));
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#endif
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,
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u_long openmask));
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int writedisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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#endif /* KERNEL */
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#endif /* LOCORE */
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#if !defined(KERNEL) && !defined(LOCORE)
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@ -401,13 +444,4 @@ __END_DECLS
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#endif
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#ifdef __i386
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/* encoding of disk minor numbers, should be elsewhere... */
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#define dkunit(dev) (minor(dev) >> 3)
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#define dkpart(dev) (minor(dev) & 07)
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#define dkminor(unit, part) (((unit) << 3) | (part))
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#endif
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#endif
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#endif /* !_SYS_DISKLABEL_H_ */
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@ -35,7 +35,7 @@
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*/
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#ifndef _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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/*
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* Disk description table, see disktab(5)
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@ -50,6 +50,12 @@
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* to leave room for a bootstrap, etc.
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*/
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/*
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* XXX the following will go away when conversion to the slice version is
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* complete: OURPART, RAWPART, readMSPtolabel, readMBRtolabel, dkminor,
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* the DOSified readdisklabel, DOS stuff in this file.
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*/
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/* XXX these should be defined per controller (or drive) elsewhere, not here! */
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#ifdef __i386__
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#define LABELSECTOR 1 /* sector containing label */
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@ -88,6 +94,9 @@
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#define MAXPARTITIONS 8
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#endif
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#define LABEL_PART 2 /* partition containing label */
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#define RAW_PART 2 /* partition containing whole disk */
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#define SWAP_PART 1 /* partition normally containing swap */
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#ifndef LOCORE
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struct disklabel {
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@ -375,21 +384,55 @@ extern struct dos_partition dos_partitions[NDOSPART];
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#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
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#endif /* LOCORE */
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/*
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* XXX encoding of disk minor numbers, should be elsewhere.
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*
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* See <sys/reboot.h> for a possibly better encoding.
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*
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* "cpio -H newc" can be used to back up device files with large minor
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* numbers (but not ones >= 2^31). Old cpio formats and all tar formats
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* don't have enough bits, and cpio and tar don't notice the lossage.
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* There are also some sign extension bugs.
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*/
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#define dkmakeminor(unit, slice, part) \
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(((slice) << 16) | ((unit) << 3) | (part))
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#define dkminor(unit, part) dkmakeminor((unit), 0, (part))
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#define dkmodpart(dev, part) (((dev) & ~(dev_t)7) | (part))
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#define dkmodslice(dev, slice) (((dev) & ~(dev_t)0x1f0000) | ((slice) << 16))
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#define dkpart(dev) (minor(dev) & 7)
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#define dkslice(dev) ((minor(dev) >> 16) & 0x1f)
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#define dktype(dev) ((minor(dev) >> 21) & 0x7ff)
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#define dkunit(dev) ((minor(dev) >> 3) & 0x1f)
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#ifdef KERNEL
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struct dkbad;
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/*
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* We're not ready to use <sys/disk.h>.
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*/
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#include <sys/conf.h>
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u_int dkcksum __P((struct disklabel *));
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int writedisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp));
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char * readdisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp, struct dos_partition *dp, struct dkbad *bdp));
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp, u_long openmask));
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char *correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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void diskerr __P((struct buf *bp, char *dname, char *what, int pri,
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int blkdone, struct disklabel *lp));
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void disksort __P((struct buf *ap, struct buf *bp));
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void diskerr __P((struct buf *, char *, char *, int, int, struct disklabel *));
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#ifdef __i386
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char * readMBRtolabel __P(( dev_t dev , void (*strat)(), register struct disklabel *lp, struct dos_partition *dp, int *cyl));
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#endif
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u_int dkcksum __P((struct disklabel *lp));
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struct dkbad;
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char *readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp,
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struct dos_partition *dp, struct dkbad *bdp));
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#ifdef __i386__
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char *readMBRtolabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp, struct dos_partition *dp,
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int *cyl));
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#endif
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,
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u_long openmask));
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int writedisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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#endif /* KERNEL */
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#endif /* LOCORE */
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#if !defined(KERNEL) && !defined(LOCORE)
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@ -401,13 +444,4 @@ __END_DECLS
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#endif
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#ifdef __i386
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/* encoding of disk minor numbers, should be elsewhere... */
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#define dkunit(dev) (minor(dev) >> 3)
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#define dkpart(dev) (minor(dev) & 07)
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#define dkminor(unit, part) (((unit) << 3) | (part))
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#endif
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#endif
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#endif /* !_SYS_DISKLABEL_H_ */
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@ -35,7 +35,7 @@
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*/
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#ifndef _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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/*
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* Disk description table, see disktab(5)
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@ -50,6 +50,12 @@
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* to leave room for a bootstrap, etc.
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*/
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/*
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* XXX the following will go away when conversion to the slice version is
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* complete: OURPART, RAWPART, readMSPtolabel, readMBRtolabel, dkminor,
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* the DOSified readdisklabel, DOS stuff in this file.
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*/
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/* XXX these should be defined per controller (or drive) elsewhere, not here! */
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#ifdef __i386__
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#define LABELSECTOR 1 /* sector containing label */
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@ -88,6 +94,9 @@
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#define MAXPARTITIONS 8
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#endif
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#define LABEL_PART 2 /* partition containing label */
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#define RAW_PART 2 /* partition containing whole disk */
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#define SWAP_PART 1 /* partition normally containing swap */
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#ifndef LOCORE
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struct disklabel {
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@ -375,21 +384,55 @@ extern struct dos_partition dos_partitions[NDOSPART];
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#define DIOCSBAD _IOW('d', 110, struct dkbad) /* set kernel dkbad */
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#endif /* LOCORE */
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/*
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* XXX encoding of disk minor numbers, should be elsewhere.
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*
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* See <sys/reboot.h> for a possibly better encoding.
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*
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* "cpio -H newc" can be used to back up device files with large minor
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* numbers (but not ones >= 2^31). Old cpio formats and all tar formats
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* don't have enough bits, and cpio and tar don't notice the lossage.
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* There are also some sign extension bugs.
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*/
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#define dkmakeminor(unit, slice, part) \
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(((slice) << 16) | ((unit) << 3) | (part))
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#define dkminor(unit, part) dkmakeminor((unit), 0, (part))
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#define dkmodpart(dev, part) (((dev) & ~(dev_t)7) | (part))
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#define dkmodslice(dev, slice) (((dev) & ~(dev_t)0x1f0000) | ((slice) << 16))
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#define dkpart(dev) (minor(dev) & 7)
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#define dkslice(dev) ((minor(dev) >> 16) & 0x1f)
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#define dktype(dev) ((minor(dev) >> 21) & 0x7ff)
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#define dkunit(dev) ((minor(dev) >> 3) & 0x1f)
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#ifdef KERNEL
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struct dkbad;
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/*
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* We're not ready to use <sys/disk.h>.
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*/
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#include <sys/conf.h>
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u_int dkcksum __P((struct disklabel *));
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int writedisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp));
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char * readdisklabel __P((dev_t dev, void (*strat)(), struct disklabel *lp, struct dos_partition *dp, struct dkbad *bdp));
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp, u_long openmask));
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char *correct_readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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void diskerr __P((struct buf *bp, char *dname, char *what, int pri,
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int blkdone, struct disklabel *lp));
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void disksort __P((struct buf *ap, struct buf *bp));
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void diskerr __P((struct buf *, char *, char *, int, int, struct disklabel *));
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#ifdef __i386
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char * readMBRtolabel __P(( dev_t dev , void (*strat)(), register struct disklabel *lp, struct dos_partition *dp, int *cyl));
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#endif
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u_int dkcksum __P((struct disklabel *lp));
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struct dkbad;
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char *readdisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp,
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struct dos_partition *dp, struct dkbad *bdp));
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#ifdef __i386__
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char *readMBRtolabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp, struct dos_partition *dp,
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int *cyl));
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#endif
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int setdisklabel __P((struct disklabel *olp, struct disklabel *nlp,
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u_long openmask));
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int writedisklabel __P((dev_t dev, d_strategy_t *strat,
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struct disklabel *lp));
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#endif /* KERNEL */
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#endif /* LOCORE */
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#if !defined(KERNEL) && !defined(LOCORE)
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@ -401,13 +444,4 @@ __END_DECLS
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#endif
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#ifdef __i386
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/* encoding of disk minor numbers, should be elsewhere... */
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#define dkunit(dev) (minor(dev) >> 3)
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#define dkpart(dev) (minor(dev) & 07)
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#define dkminor(unit, part) (((unit) << 3) | (part))
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#endif
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#endif
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#endif /* !_SYS_DISKLABEL_H_ */
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78
sys/sys/diskslice.h
Normal file
78
sys/sys/diskslice.h
Normal file
@ -0,0 +1,78 @@
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/*-
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* Copyright (c) 1994 Bruce D. Evans.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id:
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*/
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#ifndef _SYS_DISKSLICE_H_
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#define _SYS_DISKSLICE_H_
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#define MAX_SLICES 32
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#define WHOLE_DISK_SLICE 0
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struct diskslice {
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u_long ds_offset; /* starting sector */
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u_long ds_size; /* number of sectors */
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struct dkbad_intern *ds_bad; /* bad sector table, if any */
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struct disklabel *ds_label; /* BSD label, if any */
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u_char ds_bopenmask; /* bdevs open */
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u_char ds_copenmask; /* cdevs open */
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u_char ds_openmask; /* [bc]devs open */
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u_char ds_wlabel; /* nonzero if label is writable */
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};
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struct diskslices {
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u_int dss_nslices; /* actual dimension of dss_slices[] */
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struct diskslice
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dss_slices[MAX_SLICES]; /* actually usually less */
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};
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#ifdef KERNEL
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#include <sys/conf.h>
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#define dsgetbad(dev, ssp) (ssp->dss_slices[dkslice(dev)].ds_bad)
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#define dsgetlabel(dev, ssp) (ssp->dss_slices[dkslice(dev)].ds_label)
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struct buf;
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struct disklabel;
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typedef int ds_setgeom_t __P((struct disklabel *lp));
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int dscheck __P((struct buf *bp, struct diskslices *ssp));
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void dsclose __P((dev_t dev, int mode, struct diskslices *ssp));
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int dsinit __P((char *dname, dev_t dev, d_strategy_t *strat,
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struct disklabel *lp, struct diskslices **sspp));
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int dsioctl __P((dev_t dev, int cmd, caddr_t data, int flags,
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struct diskslices *ssp, d_strategy_t *strat,
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ds_setgeom_t *setgeom));
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int dsopen __P((char *dname, dev_t dev, int mode, struct diskslices **sspp,
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struct disklabel *lp, d_strategy_t *strat,
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ds_setgeom_t *setgeom));
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int dswlabel __P((dev_t dev, struct diskslices *ssp, int wlabel));
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#endif /* KERNEL */
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|
||||
#endif /* !_SYS_DISKSLICE_H_ */
|
||||
@ -31,11 +31,11 @@
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)dkbad.h 8.1 (Berkeley) 6/2/93
|
||||
* $Id: dkbad.h,v 1.2 1994/08/02 07:52:50 davidg Exp $
|
||||
* $Id: dkbad.h,v 1.3 1994/08/21 04:41:40 paul Exp $
|
||||
*/
|
||||
|
||||
#ifndef _SYS_DKBAD_H_
|
||||
#define _SYS_DKBAD_H_
|
||||
#define _SYS_DKBAD_H_
|
||||
|
||||
/*
|
||||
* Definitions needed to perform bad sector revectoring ala DEC STD 144.
|
||||
@ -56,6 +56,11 @@
|
||||
* making sure that it does not overlap the bad sector information or any
|
||||
* replacement sectors.
|
||||
*/
|
||||
|
||||
#define DKBAD_MAGIC 0x4321 /* normal value for bt_flag */
|
||||
#define DKBAD_MAXBAD 126 /* maximum bad sectors supported */
|
||||
#define DKBAD_NOCYL 0xffff /* cylinder to mark end of disk table */
|
||||
|
||||
struct dkbad {
|
||||
long bt_csn; /* cartridge serial number */
|
||||
u_short bt_mbz; /* unused; should be 0 */
|
||||
@ -63,7 +68,7 @@ struct dkbad {
|
||||
struct bt_bad {
|
||||
u_short bt_cyl; /* cylinder number of bad sector */
|
||||
u_short bt_trksec; /* track and sector number */
|
||||
} bt_bad[126];
|
||||
} bt_bad[DKBAD_MAXBAD];
|
||||
};
|
||||
|
||||
#define ECC 0
|
||||
@ -71,4 +76,24 @@ struct dkbad {
|
||||
#define BSE 2
|
||||
#define CONT 3
|
||||
|
||||
#ifdef KERNEL
|
||||
#include <sys/conf.h>
|
||||
|
||||
#define DKBAD_NOSECT (-1) /* sector to mark end of core table */
|
||||
|
||||
struct dkbad_intern {
|
||||
daddr_t bi_maxspare; /* last spare sector */
|
||||
u_int bi_nbad; /* actual dimension of bi_badsect[] */
|
||||
long bi_bad[DKBAD_MAXBAD + 1]; /* actually usually less */
|
||||
};
|
||||
|
||||
struct disklabel;
|
||||
|
||||
struct dkbad_intern *internbad144 __P((struct dkbad *btp,
|
||||
struct disklabel *lp));
|
||||
char *readbad144 __P((dev_t dev, d_strategy_t *strat,
|
||||
struct disklabel *lp, struct dkbad *btp));
|
||||
daddr_t transbad144 __P((struct dkbad_intern *bip, daddr_t blkno));
|
||||
#endif
|
||||
|
||||
#endif /* !_SYS_DKBAD_H_ */
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user