415 lines
13 KiB
C
415 lines
13 KiB
C
/* $NetBSD: disklabel.c,v 1.10 2015/02/14 13:07:39 tsutsui Exp $ */
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/*
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* Copyright (c) 1992 OMRON Corporation.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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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.c 8.1 (Berkeley) 6/10/93
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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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. 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.c 8.1 (Berkeley) 6/10/93
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*/
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/*
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* disklabel.c -- operate disklabel for BSD & OMRON
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* by A.Fujita, FEB-17-1992
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*/
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#include <sys/param.h>
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#define DKTYPENAMES
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#define FSTYPENAMES
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#include <sys/disklabel.h>
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#include <ufs/ffs/fs.h>
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#include <lib/libkern/libkern.h>
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#include <luna68k/stand/boot/samachdep.h>
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#include <luna68k/stand/boot/status.h>
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#include <luna68k/stand/boot/omron_disklabel.h>
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static void display(struct disklabel *);
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#define SBSIZE SBLOCKSIZE
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#define FS_MAGIC FS_UFS1_MAGIC
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#define LABEL_SIZE BBSIZE
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uint8_t lbl_buff[LABEL_SIZE];
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#if 0
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uint16_t
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dkcksum(struct disklabel *lp)
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{
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uint16_t *start, *end;
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uint16_t sum = 0;
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start = (uint16_t *)lp;
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end = (uint16_t *)&lp->d_partitions[lp->d_npartitions];
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while (start < end)
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sum ^= *start++;
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return sum;
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}
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#endif
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int
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disklabel(int argc, char *argv[])
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{
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struct scd_dk_label *omp = (struct scd_dk_label *)lbl_buff;
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struct disklabel *bp = (struct disklabel *)&lbl_buff[LABELOFFSET];
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struct fs *fp = (struct fs *)lbl_buff;
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uint16_t *p;
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u_long chksum, count;
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char *q;
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int i, j;
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if (argc < 2) {
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printf("This command is required sub command !!\n");
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return ST_ERROR;
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}
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if (!strcmp(argv[1], "help")) {
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printf("Subcommand of disklabel\n\n");
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printf("\thelp:\t\tthis command\n");
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printf("\tread:\t\tread disklabel from scsi_device\n");
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printf("\twrite:\t\twrite disklabel to scsi_device\n");
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printf("\tomron:\t\tshow OMRON disklabel information\n");
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printf("\tbsd:\t\tshow BSD disklabel information\n");
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printf("\tcopy:\t\tcopy disklabel information from OMRON"
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" to BSD\n");
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printf("\tchecksum:\tdoing checksum\n");
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printf("\tset:\t\tchange BSD disklabel information\n");
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printf("\n\n");
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} else if (!strcmp(argv[1], "read")) {
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if (scsi_read( 0, lbl_buff, LABEL_SIZE)) {
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printf("Disk Label read done.\n");
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} else {
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printf("Disk Label read error !!\n");
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}
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} else if (!strcmp(argv[1], "omron")) {
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i = (int)&omp->dkl_badchk;
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i -= (int)lbl_buff;
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printf("Offset = %d\n", i);
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printf("\n");
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printf("Checksum of Bad Track:\t0x%x\n",
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omp->dkl_badchk);
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printf("Logical Block Total:\t%u(0x%x)\n",
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omp->dkl_maxblk, omp->dkl_maxblk);
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printf("Disk Drive Type:\t0x%x\n",
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omp->dkl_dtype);
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printf("Number of Disk Drives:\t%d(0x%x)\n",
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omp->dkl_ndisk, omp->dkl_ndisk);
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printf("Number of Data Cylinders:\t%d(0x%x)\n",
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omp->dkl_ncyl, omp->dkl_ncyl);
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printf("Number of Alternate Cylinders:\t%d(0x%x)\n",
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omp->dkl_acyl,omp->dkl_acyl);
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printf("Number of Heads in This Partition:\t%d(0x%x)\n",
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omp->dkl_nhead, omp->dkl_nhead);
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printf("Number of 512 byte Sectors per Track:\t%d(0x%x)\n",
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omp->dkl_nsect, omp->dkl_nsect);
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printf("Identifies Proper Label Locations:\t0x%x\n",
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omp->dkl_bhead);
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printf("Physical Partition Number:\t%d(0x%x)\n",
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omp->dkl_ppart, omp->dkl_ppart);
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for (i = 0; i < NLPART; i++)
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printf("\t%d:\t%d\t%d\n", i,
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omp->dkl_map[i].dkl_blkno,
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omp->dkl_map[i].dkl_nblk);
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printf("Identifies This Label Format:\t0x%x\n",
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omp->dkl_magic);
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printf("XOR Checksum of Sector:\t0x%x\n",
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omp->dkl_cksum);
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} else if (!strcmp(argv[1], "checksum")) {
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if (omp->dkl_magic == DKL_MAGIC){
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/* checksum of disk-label */
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chksum = 0;
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count = sizeof(struct scd_dk_label) / sizeof(short int);
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for (p= (uint16_t *)lbl_buff; count > 0; count--) {
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if (count == 1)
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printf("Check Sum: 0x%lx\n", chksum);
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chksum ^= *p++;
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}
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printf("dkl_cksum: 0x%x\n", omp->dkl_cksum);
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if (chksum != 0) {
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printf("OMRON Disklabel check sum error.\n");
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}
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} else {
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printf("OMRON Disklabel not found.\n");
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}
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} else if (!strcmp(argv[1], "copy")) {
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memset(bp, 0, sizeof(struct disklabel));
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memcpy(bp->d_typename, lbl_buff, 16);
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bp->d_secsize = DEV_BSIZE;
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bp->d_nsectors = 38;
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bp->d_ntracks = 12;
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bp->d_ncylinders = 1076;
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bp->d_type = DKTYPE_SCSI;
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bp->d_secpercyl = bp->d_nsectors * bp->d_ntracks;
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bp->d_secperunit = bp->d_secpercyl * bp->d_ncylinders;
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bp->d_rpm = 3600;
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bp->d_interleave = 1;
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bp->d_trackskew = 0;
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bp->d_cylskew = 0;
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bp->d_headswitch = 0;
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bp->d_trkseek = 0;
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bp->d_bbsize = BBSIZE;
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bp->d_sbsize = SBSIZE;
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for (i = 0; i < MAXPARTITIONS; i++) {
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bp->d_partitions[i].p_size =
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omp->dkl_map[i].dkl_nblk;
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bp->d_partitions[i].p_offset =
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omp->dkl_map[i].dkl_blkno;
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bp->d_partitions[i].p_fsize = 1024;
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bp->d_partitions[i].p_frag = 8192 / 1024;
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bp->d_partitions[i].p_fstype = FS_UNUSED;
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}
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bp->d_npartitions = MAXPARTITIONS;
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for (i = 0; i < NDDATA; i++) {
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bp->d_drivedata[i] = 0;
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}
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memset(bp->d_packname, 0, 16);
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bp->d_magic = DISKMAGIC;
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bp->d_magic2 = DISKMAGIC;
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bp->d_checksum = 0;
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bp->d_checksum = dkcksum(bp);
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/* restump checksum of OMRON disklabel */
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chksum = 0;
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count = sizeof(struct scd_dk_label) / sizeof(short int);
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for (p= (uint16_t *)lbl_buff; count > 1; count--) {
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chksum ^= *p++;
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}
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printf("chksum: 0x%lx\n", chksum);
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omp->dkl_cksum = chksum;
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printf("dkl_cksum: 0x%x\n", omp->dkl_cksum);
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} else if (!strcmp(argv[1], "bsd")) {
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display(bp);
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} else if (!strcmp(argv[1], "write")) {
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if (scsi_write( 0, lbl_buff, LABEL_SIZE)) {
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printf("Disk Label write done.\n");
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} else {
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printf("Disk Label write error !!\n");
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}
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} else if (!strcmp(argv[1], "set")) {
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i = (argv[2])[1] - 'a';
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for (q = argv[3], j = 0; *q != '\0'; q++) {
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j = (j * 10) + (*q - '0');
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}
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switch (*argv[2]) {
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case 'b':
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bp->d_partitions[i].p_frag =
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j / bp->d_partitions[i].p_fsize;
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break;
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case 'f': /* fragment size */
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bp->d_partitions[i].p_fsize = j;
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break;
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case 'o': /* offset */
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bp->d_partitions[i].p_offset = j;
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omp->dkl_map[i].dkl_blkno = j;
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break;
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case 'p': /* size */
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bp->d_partitions[i].p_size = j;
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omp->dkl_map[i].dkl_nblk = j;
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break;
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case 't': /* FS type */
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bp->d_partitions[i].p_fstype = j;
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break;
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default:
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break;
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}
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/* restump checksum of BSD disklabel */
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bp->d_checksum = 0;
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bp->d_checksum = dkcksum(bp);
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/* restump checksum of OMRON disklabel */
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chksum = 0;
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count = sizeof(struct scd_dk_label) / sizeof(short int);
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for (p = (uint16_t *)lbl_buff; count > 1; count--) {
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chksum ^= *p++;
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}
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omp->dkl_cksum = chksum;
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} else if (!strcmp(argv[1], "sb")) {
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#define BLOCK_SIZE SBSIZE
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printf("checking Super Block: block size = %d bytes,"
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" seek amount = 1 blocks\n", BLOCK_SIZE);
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i = j = 0;
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for (;;) {
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if (scsi_read(i, lbl_buff, BLOCK_SIZE) == 0)
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break;
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if (fp->fs_magic == FS_MAGIC) {
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printf("%d, (%d)\n", i, i - j);
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j = i;
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}
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i++;
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}
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} else if (!strcmp(argv[1], "sbcopy")) {
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if (scsi_read(32, lbl_buff, BLOCK_SIZE) == 0) {
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printf("sbcopy: read failed\n");
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return ST_ERROR;
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}
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if (scsi_write(16, lbl_buff, BLOCK_SIZE) != 0) {
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printf("sbcopy: copy done\n");
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} else {
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printf("sbcopy: write failed\n");
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}
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}
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return ST_NORMAL;
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}
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static void
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display(struct disklabel *lp)
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{
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int i, j;
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struct partition *pp;
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if ((unsigned) lp->d_type < DKMAXTYPES)
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printf("type: %s\n", dktypenames[lp->d_type]);
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else
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printf("type: %d\n", lp->d_type);
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printf("disk: %s\n", lp->d_typename);
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printf("label: %s\n", lp->d_packname);
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printf("flags:");
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if (lp->d_flags & D_REMOVABLE)
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printf(" removeable");
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if (lp->d_flags & D_ECC)
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printf(" ecc");
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if (lp->d_flags & D_BADSECT)
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printf(" badsect");
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printf("\n");
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printf("bytes/sector: %d\n", lp->d_secsize);
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printf("sectors/track: %d\n", lp->d_nsectors);
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printf("tracks/cylinder: %d\n", lp->d_ntracks);
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printf("sectors/cylinder: %d\n", lp->d_secpercyl);
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printf("cylinders: %d\n", lp->d_ncylinders);
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printf("rpm: %d\n", lp->d_rpm);
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printf("interleave: %d\n", lp->d_interleave);
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printf("trackskew: %d\n", lp->d_trackskew);
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printf("cylinderskew: %d\n", lp->d_cylskew);
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printf("headswitch: %d\t\t# milliseconds\n", lp->d_headswitch);
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printf("track-to-track seek: %d\t# milliseconds\n", lp->d_trkseek);
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printf("drivedata: ");
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for (i = NDDATA - 1; i >= 0; i--)
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if (lp->d_drivedata[i])
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break;
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if (i < 0)
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i = 0;
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for (j = 0; j <= i; j++)
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printf("%d ", lp->d_drivedata[j]);
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printf("\n\n%d partitions:\n", lp->d_npartitions);
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printf("# size offset fstype [fsize bsize cpg]\n");
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pp = lp->d_partitions;
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for (i = 0; i < lp->d_npartitions; i++, pp++) {
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if (pp->p_size) {
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printf(" %c: %d %d ", 'a' + i,
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pp->p_size, pp->p_offset);
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if ((unsigned) pp->p_fstype < FSMAXTYPES)
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printf("%s", fstypenames[pp->p_fstype]);
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else
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printf("%d", pp->p_fstype);
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switch (pp->p_fstype) {
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case FS_UNUSED: /* XXX */
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printf(" %d %d %s ",
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pp->p_fsize, pp->p_fsize * pp->p_frag, "");
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break;
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case FS_BSDFFS:
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printf(" %d %d %d ",
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pp->p_fsize, pp->p_fsize * pp->p_frag,
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pp->p_cpg);
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break;
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default:
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printf("%s", "");
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break;
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}
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printf("\t# (Cyl. %d",
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pp->p_offset / lp->d_secpercyl);
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if (pp->p_offset % lp->d_secpercyl)
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putchar('*');
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else
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putchar(' ');
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printf("- %d",
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(pp->p_offset +
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pp->p_size + lp->d_secpercyl - 1) /
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lp->d_secpercyl - 1);
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if (pp->p_size % lp->d_secpercyl)
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putchar('*');
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printf(")\n");
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}
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}
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}
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