- Fill dummy functions with code to read from disk using Open
Firmware. - Add a temporary disklabel header to boot off a NetBSD/sparc64 partition. This file can be deleted when we have got a FCode bootblock. The disklabel header was obtained from NetBSD.
This commit is contained in:
Robert Drehmel
parent
7ff1bab73b
commit
1da9b140b7
492
sys/boot/ofw/libofw/disklabel.h
Normal file
492
sys/boot/ofw/libofw/disklabel.h
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@ -0,0 +1,492 @@
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/* $NetBSD: disklabel.h,v 1.69 2001/04/03 20:25:22 ragge Exp $ */
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/*
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* Copyright (c) 1987, 1988, 1993
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* The Regents of the University of California. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)disklabel.h 8.2 (Berkeley) 7/10/94
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* $FreeBSD$
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*/
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#ifndef _SYS_DISKLABEL_H_
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#define _SYS_DISKLABEL_H_
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/*
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* We need <machine/types.h> for __HAVE_OLD_DISKLABEL
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*/
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#ifndef _LOCORE
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#include <sys/types.h>
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#endif
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/*
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* Each disk has a label which includes information about the hardware
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* disk geometry, filesystem partitions, and drive specific information.
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* The location of the label, as well as the number of partitions the
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* label can describe and the number of the "whole disk" (raw)
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* paritition are machine dependent.
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*/
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#include <machine/disklabel.h>
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/*
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* The absolute maximum number of disk partitions allowed.
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* This is the maximum value of MAXPARTITIONS for which 'struct disklabel'
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* is <= DEV_BSIZE bytes long. If MAXPARTITIONS is greater than this, beware.
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*/
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#define MAXMAXPARTITIONS 22
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#if MAXPARTITIONS > MAXMAXPARTITIONS
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#warning beware: MAXPARTITIONS bigger than MAXMAXPARTITIONS
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#endif
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/*
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* Ports can switch their MAXPARTITIONS once, as follows:
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*
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* - define OLDMAXPARTITIONS in <machine/disklabel.h> as the old number
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* - define MAXPARTITIONS as the new number
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* - define DISKUNIT, DISKPART and DISKMINOR macros in <machine/disklabel.h>
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* as appropriate for the port (see the i386 one for an example).
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* - define __HAVE_OLD_DISKLABEL in <machine/types.h>
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*/
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#if defined(_KERNEL) && defined(__HAVE_OLD_DISKLABEL) && \
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(MAXPARTITIONS < OLDMAXPARTITIONS)
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#error "can only grow disklabel size"
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#endif
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/*
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* Translate between device numbers and major/disk unit/disk partition.
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*/
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#ifndef __HAVE_OLD_DISKLABEL
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#define DISKUNIT(dev) (minor(dev) / MAXPARTITIONS)
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#define DISKPART(dev) (minor(dev) % MAXPARTITIONS)
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#define DISKMINOR(unit, part) \
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(((unit) * MAXPARTITIONS) + (part))
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#endif
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#define MAKEDISKDEV(maj, unit, part) \
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(makedev((maj), DISKMINOR((unit), (part))))
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#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */
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#ifndef _LOCORE
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struct disklabel {
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u_int32_t d_magic; /* the magic number */
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u_int16_t d_type; /* drive type */
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u_int16_t d_subtype; /* controller/d_type specific */
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char d_typename[16]; /* type name, e.g. "eagle" */
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/*
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* d_packname contains the pack identifier and is returned when
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* the disklabel is read off the disk or in-core copy.
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* d_boot0 and d_boot1 are the (optional) names of the
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* primary (block 0) and secondary (block 1-15) bootstraps
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* as found in /usr/mdec. These are returned when using
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* getdiskbyname(3) to retrieve the values from /etc/disktab.
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*/
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union {
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char un_d_packname[16]; /* pack identifier */
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struct {
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char *un_d_boot0; /* primary bootstrap name */
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char *un_d_boot1; /* secondary bootstrap name */
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} un_b;
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} d_un;
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#define d_packname d_un.un_d_packname
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#define d_boot0 d_un.un_b.un_d_boot0
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#define d_boot1 d_un.un_b.un_d_boot1
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/* disk geometry: */
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u_int32_t d_secsize; /* # of bytes per sector */
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u_int32_t d_nsectors; /* # of data sectors per track */
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u_int32_t d_ntracks; /* # of tracks per cylinder */
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u_int32_t d_ncylinders; /* # of data cylinders per unit */
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u_int32_t d_secpercyl; /* # of data sectors per cylinder */
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u_int32_t d_secperunit; /* # of data sectors per unit */
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/*
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* Spares (bad sector replacements) below are not counted in
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* d_nsectors or d_secpercyl. Spare sectors are assumed to
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* be physical sectors which occupy space at the end of each
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* track and/or cylinder.
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*/
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u_int16_t d_sparespertrack; /* # of spare sectors per track */
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u_int16_t d_sparespercyl; /* # of spare sectors per cylinder */
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/*
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* Alternative cylinders include maintenance, replacement,
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* configuration description areas, etc.
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*/
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u_int32_t d_acylinders; /* # of alt. cylinders per unit */
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/* hardware characteristics: */
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/*
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* d_interleave, d_trackskew and d_cylskew describe perturbations
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* in the media format used to compensate for a slow controller.
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* Interleave is physical sector interleave, set up by the
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* formatter or controller when formatting. When interleaving is
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* in use, logically adjacent sectors are not physically
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* contiguous, but instead are separated by some number of
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* sectors. It is specified as the ratio of physical sectors
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* traversed per logical sector. Thus an interleave of 1:1
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* implies contiguous layout, while 2:1 implies that logical
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* sector 0 is separated by one sector from logical sector 1.
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* d_trackskew is the offset of sector 0 on track N relative to
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* sector 0 on track N-1 on the same cylinder. Finally, d_cylskew
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* is the offset of sector 0 on cylinder N relative to sector 0
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* on cylinder N-1.
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*/
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u_int16_t d_rpm; /* rotational speed */
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u_int16_t d_interleave; /* hardware sector interleave */
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u_int16_t d_trackskew; /* sector 0 skew, per track */
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u_int16_t d_cylskew; /* sector 0 skew, per cylinder */
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u_int32_t d_headswitch; /* head switch time, usec */
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u_int32_t d_trkseek; /* track-to-track seek, usec */
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u_int32_t d_flags; /* generic flags */
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#define NDDATA 5
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u_int32_t d_drivedata[NDDATA]; /* drive-type specific information */
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#define NSPARE 5
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u_int32_t d_spare[NSPARE]; /* reserved for future use */
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u_int32_t d_magic2; /* the magic number (again) */
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u_int16_t d_checksum; /* xor of data incl. partitions */
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/* filesystem and partition information: */
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u_int16_t d_npartitions; /* number of partitions in following */
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u_int32_t d_bbsize; /* size of boot area at sn0, bytes */
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u_int32_t d_sbsize; /* max size of fs superblock, bytes */
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struct partition { /* the partition table */
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u_int32_t p_size; /* number of sectors in partition */
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u_int32_t p_offset; /* starting sector */
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u_int32_t p_fsize; /* filesystem basic fragment size */
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u_int8_t p_fstype; /* filesystem type, see below */
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u_int8_t p_frag; /* filesystem fragments per block */
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union {
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u_int16_t cpg; /* UFS: FS cylinders per group */
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u_int16_t sgs; /* LFS: FS segment shift */
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} __partition_u1;
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#define p_cpg __partition_u1.cpg
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#define p_sgs __partition_u1.sgs
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} d_partitions[MAXPARTITIONS]; /* actually may be more */
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};
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#ifdef __HAVE_OLD_DISKLABEL
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/*
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* Same as above, but with OLDMAXPARTITIONS partitions. For use in
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* the old DIOC* ioctl calls.
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*/
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struct olddisklabel {
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u_int32_t d_magic;
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u_int16_t d_type;
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u_int16_t d_subtype;
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char d_typename[16];
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union {
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char un_d_packname[16];
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struct {
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char *un_d_boot0;
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char *un_d_boot1;
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} un_b;
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} d_un;
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u_int32_t d_secsize;
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u_int32_t d_nsectors;
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u_int32_t d_ntracks;
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u_int32_t d_ncylinders;
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u_int32_t d_secpercyl;
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u_int32_t d_secperunit;
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u_int16_t d_sparespertrack;
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u_int16_t d_sparespercyl;
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u_int32_t d_acylinders;
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u_int16_t d_rpm;
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u_int16_t d_interleave;
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u_int16_t d_trackskew;
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u_int16_t d_cylskew;
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u_int32_t d_headswitch;
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u_int32_t d_trkseek;
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u_int32_t d_flags;
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u_int32_t d_drivedata[NDDATA];
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u_int32_t d_spare[NSPARE];
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u_int32_t d_magic2;
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u_int16_t d_checksum;
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u_int16_t d_npartitions;
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u_int32_t d_bbsize;
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u_int32_t d_sbsize;
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struct opartition {
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u_int32_t p_size;
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u_int32_t p_offset;
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u_int32_t p_fsize;
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u_int8_t p_fstype;
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u_int8_t p_frag;
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union {
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u_int16_t cpg;
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u_int16_t sgs;
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} __partition_u1;
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} d_partitions[OLDMAXPARTITIONS];
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};
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#endif /* __HAVE_OLD_DISKLABEL */
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#else /* _LOCORE */
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/*
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* offsets for asm boot files.
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*/
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.set d_secsize,40
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.set d_nsectors,44
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.set d_ntracks,48
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.set d_ncylinders,52
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.set d_secpercyl,56
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.set d_secperunit,60
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.set d_end_,276 /* size of disk label */
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#endif /* _LOCORE */
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/* d_type values: */
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#define DTYPE_SMD 1 /* SMD, XSMD; VAX hp/up */
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#define DTYPE_MSCP 2 /* MSCP */
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#define DTYPE_DEC 3 /* other DEC (rk, rl) */
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#define DTYPE_SCSI 4 /* SCSI */
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#define DTYPE_ESDI 5 /* ESDI interface */
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#define DTYPE_ST506 6 /* ST506 etc. */
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#define DTYPE_HPIB 7 /* CS/80 on HP-IB */
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#define DTYPE_HPFL 8 /* HP Fiber-link */
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#define DTYPE_FLOPPY 10 /* floppy */
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#define DTYPE_CCD 11 /* concatenated disk device */
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#define DTYPE_VND 12 /* vnode pseudo-disk */
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#define DTYPE_ATAPI 13 /* ATAPI */
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#define DTYPE_RAID 14 /* RAIDframe */
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#define DTYPE_LD 15 /* logical disk */
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#ifdef DKTYPENAMES
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static const char *const dktypenames[] = {
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"unknown",
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"SMD",
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"MSCP",
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"old DEC",
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"SCSI",
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"ESDI",
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"ST506",
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"HP-IB",
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"HP-FL",
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"type 9",
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"floppy",
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"ccd",
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"vnd",
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"ATAPI",
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"RAID",
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"ld",
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NULL
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};
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#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1)
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#endif
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/*
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* Filesystem type and version.
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* Used to interpret other filesystem-specific
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* per-partition information.
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*/
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#define FS_UNUSED 0 /* unused */
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#define FS_SWAP 1 /* swap */
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#define FS_V6 2 /* Sixth Edition */
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#define FS_V7 3 /* Seventh Edition */
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#define FS_SYSV 4 /* System V */
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#define FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */
|
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#define FS_V8 6 /* Eighth Edition, 4K blocks */
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#define FS_BSDFFS 7 /* 4.2BSD fast file system */
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#define FS_MSDOS 8 /* MSDOS file system */
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#define FS_BSDLFS 9 /* 4.4BSD log-structured file system */
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#define FS_OTHER 10 /* in use, but unknown/unsupported */
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#define FS_HPFS 11 /* OS/2 high-performance file system */
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#define FS_ISO9660 12 /* ISO 9660, normally CD-ROM */
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#define FS_BOOT 13 /* partition contains bootstrap */
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#define FS_ADOS 14 /* AmigaDOS fast file system */
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#define FS_HFS 15 /* Macintosh HFS */
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#define FS_FILECORE 16 /* Acorn Filecore Filing System */
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#define FS_EX2FS 17 /* Linux Extended 2 file system */
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#define FS_NTFS 18 /* Windows/NT file system */
|
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#define FS_RAID 19 /* RAIDframe component */
|
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#define FS_CCD 20 /* concatenated disk component */
|
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|
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#ifdef FSTYPENAMES
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static const char *const fstypenames[] = {
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"unused",
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"swap",
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"Version 6",
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"Version 7",
|
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"System V",
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"4.1BSD",
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"Eighth Edition",
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"4.2BSD",
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"MSDOS",
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"4.4LFS",
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"unknown",
|
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"HPFS",
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"ISO9660",
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"boot",
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"ADOS",
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"HFS",
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"FILECORE",
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"Linux Ext2",
|
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"NTFS",
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"RAID",
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"ccd",
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NULL
|
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};
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#define FSMAXTYPES (sizeof(fstypenames) / sizeof(fstypenames[0]) - 1)
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#endif
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#ifdef FSCKNAMES
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/* These are the names MOUNT_XXX from <sys/mount.h> */
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static const char *const fscknames[] = {
|
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NULL, /* unused */
|
||||
NULL, /* swap */
|
||||
NULL, /* Version 6 */
|
||||
NULL, /* Version 7 */
|
||||
NULL, /* System V */
|
||||
NULL, /* 4.1BSD */
|
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NULL, /* Eighth edition */
|
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"ffs", /* 4.2BSD */
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"msdos", /* MSDOS */
|
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"lfs", /* 4.4LFS */
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NULL, /* unknown */
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NULL, /* HPFS */
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NULL, /* ISO9660 */
|
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NULL, /* boot */
|
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NULL, /* ADOS */
|
||||
NULL, /* HFS */
|
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NULL, /* FILECORE */
|
||||
"ext2fs", /* Linux Ext2 */
|
||||
NULL, /* Windows/NT */
|
||||
NULL, /* RAID Component */
|
||||
NULL, /* concatenated disk component */
|
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NULL /* NULL */
|
||||
};
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#define FSMAXNAMES (sizeof(fscknames) / sizeof(fscknames[0]) - 1)
|
||||
|
||||
#endif
|
||||
|
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#ifdef MOUNTNAMES
|
||||
/* These are the names MOUNT_XXX from <sys/mount.h> */
|
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static const char *const mountnames[] = {
|
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NULL, /* unused */
|
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NULL, /* swap */
|
||||
NULL, /* Version 6 */
|
||||
NULL, /* Version 7 */
|
||||
NULL, /* System V */
|
||||
NULL, /* 4.1BSD */
|
||||
NULL, /* Eighth edition */
|
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"ffs", /* 4.2BSD */
|
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"msdos", /* MSDOS */
|
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"lfs", /* 4.4LFS */
|
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NULL, /* unknown */
|
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NULL, /* HPFS */
|
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"cd9660", /* ISO9660 */
|
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NULL, /* boot */
|
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"ados", /* ADOS */
|
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NULL, /* HFS */
|
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"filecore", /* FILECORE */
|
||||
"ext2fs", /* Linux Ext2 */
|
||||
"ntfs", /* Windows/NT */
|
||||
NULL, /* RAID Component */
|
||||
NULL, /* concatenated disk component */
|
||||
NULL /* NULL */
|
||||
};
|
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#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.
|
||||
*/
|
||||
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 buf_queue;
|
||||
|
||||
void diskerr
|
||||
__P((struct buf *, char *, char *, int, int, struct disklabel *));
|
||||
void disksort_cylinder __P((struct buf_queue *, struct buf *));
|
||||
void disksort_blkno __P((struct buf_queue *, struct buf *));
|
||||
void disksort_tail __P((struct buf_queue *, struct buf *));
|
||||
u_int dkcksum __P((struct disklabel *));
|
||||
int setdisklabel __P((struct disklabel *, struct disklabel *, u_long,
|
||||
struct cpu_disklabel *));
|
||||
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 buf *, struct disklabel *, int));
|
||||
#endif
|
||||
#endif /* _LOCORE */
|
||||
|
||||
#if !defined(_KERNEL) && !defined(_LOCORE)
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* !_SYS_DISKLABEL_H_ */
|
||||
@ -34,11 +34,16 @@
|
||||
|
||||
#include <netinet/in.h>
|
||||
|
||||
#include <machine/stdarg.h>
|
||||
|
||||
#include <stand.h>
|
||||
|
||||
#include "bootstrap.h"
|
||||
#include "libofw.h"
|
||||
#include "openfirm.h"
|
||||
|
||||
#define DISKSECSZ 512
|
||||
#define DISKLABELSEC 0
|
||||
#define DISKLABELOFF 128
|
||||
|
||||
static int ofwd_init(void);
|
||||
static int ofwd_strategy(void *devdata, int flag, daddr_t dblk,
|
||||
@ -46,6 +51,8 @@ static int ofwd_strategy(void *devdata, int flag, daddr_t dblk,
|
||||
static int ofwd_open(struct open_file *f, ...);
|
||||
static int ofwd_close(struct open_file *f);
|
||||
static void ofwd_print(int verbose);
|
||||
static char * ofwd_getdevpath(int unit);
|
||||
int readdisklabel(struct ofw_devdesc *);
|
||||
|
||||
struct devsw ofwdisk = {
|
||||
"disk",
|
||||
@ -71,10 +78,21 @@ ofwd_init(void)
|
||||
char devpath[255];
|
||||
ihandle_t instance;
|
||||
|
||||
printf("ofwd_init: searching for block devices\n");
|
||||
ofw_devsearch_init();
|
||||
while((ret = ofw_devsearch("block", devpath)) != 0) {
|
||||
if (ret == -1)
|
||||
while ((ret = ofw_devsearch("block", devpath)) != 0) {
|
||||
devpath[sizeof devpath - 1] = 0;
|
||||
printf("ofwd_init: devpath=%s\n", devpath);
|
||||
if (ret == -1) {
|
||||
printf("ofwd_init: ret=%d\n", ret);
|
||||
return (1);
|
||||
}
|
||||
#ifdef DEBUG
|
||||
printf("devpath=\"%s\" ret=%d\n", devpath, ret);
|
||||
#endif
|
||||
|
||||
if (strcmp(devpath, "/pci@1f,0/pci@1,1/ide@3/cdrom") == 0)
|
||||
continue;
|
||||
|
||||
instance = OF_open(devpath);
|
||||
if (instance != -1) {
|
||||
@ -91,6 +109,7 @@ ofwd_init(void)
|
||||
}
|
||||
}
|
||||
|
||||
printf("ofwd_init: return (0)\n");
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -98,19 +117,87 @@ static int
|
||||
ofwd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, char *buf,
|
||||
size_t *rsize)
|
||||
{
|
||||
return (0);
|
||||
struct ofw_devdesc *dp = (struct ofw_devdesc *)devdata;
|
||||
unsigned long pos;
|
||||
int n;
|
||||
int i, j;
|
||||
|
||||
pos = (dp->d_kind.ofwdisk.partoff + dblk) * dp->d_kind.ofwdisk.bsize;
|
||||
|
||||
do {
|
||||
if (OF_seek(dp->d_kind.ofwdisk.handle, pos) < 0) {
|
||||
return EIO;
|
||||
}
|
||||
n = OF_read(dp->d_kind.ofwdisk.handle, buf, size);
|
||||
if (n < 0 && n != -2) {
|
||||
return EIO;
|
||||
}
|
||||
} while (n == -2);
|
||||
|
||||
*rsize = size;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
ofwd_open(struct open_file *f, ...)
|
||||
{
|
||||
return (0);
|
||||
va_list vl;
|
||||
struct ofw_devdesc *dp;
|
||||
char *devpath;
|
||||
phandle_t diskh;
|
||||
char buf[8192];
|
||||
int i, j;
|
||||
|
||||
va_start(vl, f);
|
||||
dp = va_arg(vl, struct ofw_devdesc *);
|
||||
va_end(vl);
|
||||
|
||||
devpath = ofwd_getdevpath(dp->d_kind.ofwdisk.unit);
|
||||
if ((diskh = OF_open(devpath)) == -1) {
|
||||
printf("ofwd_open: Could not open %s\n", devpath);
|
||||
return 1;
|
||||
}
|
||||
dp->d_kind.ofwdisk.bsize = DISKSECSZ;
|
||||
dp->d_kind.ofwdisk.handle = diskh;
|
||||
readdisklabel(dp);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* XXX This is a NetBSD header! */
|
||||
#include "disklabel.h"
|
||||
int
|
||||
readdisklabel(struct ofw_devdesc *dp)
|
||||
{
|
||||
char buf[DISKSECSZ];
|
||||
struct partition *p;
|
||||
struct disklabel *lp;
|
||||
size_t size;
|
||||
int i;
|
||||
|
||||
dp->d_kind.ofwdisk.partoff = 0;
|
||||
|
||||
dp->d_dev->dv_strategy(dp, 0, DISKLABELSEC, sizeof(buf), buf, &size);
|
||||
|
||||
lp = (struct disklabel *)(buf + DISKLABELOFF);
|
||||
p = lp->d_partitions;
|
||||
for (i = 0; i < MAXPARTITIONS; i++) {
|
||||
if (i == dp->d_kind.ofwdisk.partition) {
|
||||
dp->d_kind.ofwdisk.partoff = p->p_offset;
|
||||
return 0;
|
||||
}
|
||||
p++;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
ofwd_close(struct open_file *f)
|
||||
{
|
||||
return (0);
|
||||
struct ofw_devdesc *dev = f->f_devdata;
|
||||
OF_close(dev->d_kind.ofwdisk.handle);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
@ -139,3 +226,15 @@ ofwd_getunit(const char *path)
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static char *
|
||||
ofwd_getdevpath(int unit)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < nofwdinfo; i++) {
|
||||
if (ofwdinfo[i].ofwd_unit == unit)
|
||||
return ofwdinfo[i].ofwd_path;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user