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md.c revision 1.5.2.3
      1  1.5.2.3    bouyer /*	$NetBSD: md.c,v 1.5.2.3 2020/10/15 19:36:54 bouyer Exp $ */
      2      1.1  dholland 
      3      1.1  dholland /*
      4      1.1  dholland  * Copyright 1997 Piermont Information Systems Inc.
      5      1.1  dholland  * All rights reserved.
      6      1.1  dholland  *
      7      1.1  dholland  * Based on code written by Philip A. Nelson for Piermont Information
      8      1.1  dholland  * Systems Inc.
      9      1.1  dholland  *
     10      1.1  dholland  * Redistribution and use in source and binary forms, with or without
     11      1.1  dholland  * modification, are permitted provided that the following conditions
     12      1.1  dholland  * are met:
     13      1.1  dholland  * 1. Redistributions of source code must retain the above copyright
     14      1.1  dholland  *    notice, this list of conditions and the following disclaimer.
     15      1.1  dholland  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.1  dholland  *    notice, this list of conditions and the following disclaimer in the
     17      1.1  dholland  *    documentation and/or other materials provided with the distribution.
     18      1.1  dholland  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
     19      1.1  dholland  *    or promote products derived from this software without specific prior
     20      1.1  dholland  *    written permission.
     21      1.1  dholland  *
     22      1.1  dholland  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
     23      1.1  dholland  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24      1.1  dholland  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25      1.1  dholland  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
     26      1.1  dholland  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27      1.1  dholland  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28      1.1  dholland  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29      1.1  dholland  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30      1.1  dholland  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31      1.1  dholland  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32      1.1  dholland  * THE POSSIBILITY OF SUCH DAMAGE.
     33      1.1  dholland  */
     34      1.1  dholland 
     35      1.1  dholland /* md.c -- hpcarm machine specific routines */
     36      1.1  dholland 
     37      1.1  dholland #include <stdio.h>
     38      1.1  dholland #include <util.h>
     39      1.1  dholland #include <sys/param.h>
     40      1.1  dholland #include <machine/cpu.h>
     41      1.1  dholland #include <sys/sysctl.h>
     42      1.1  dholland 
     43      1.1  dholland #include "defs.h"
     44      1.1  dholland #include "md.h"
     45      1.1  dholland #include "msg_defs.h"
     46      1.1  dholland #include "menu_defs.h"
     47      1.1  dholland #include "endian.h"
     48      1.1  dholland #include "mbr.h"
     49      1.1  dholland 
     50      1.1  dholland void
     51      1.1  dholland md_init(void)
     52      1.1  dholland {
     53      1.1  dholland }
     54      1.1  dholland 
     55      1.1  dholland void
     56      1.1  dholland md_init_set_status(int flags)
     57      1.1  dholland {
     58      1.1  dholland 	static const struct {
     59      1.1  dholland 		const char *name;
     60      1.1  dholland 		const int set;
     61      1.1  dholland 	} kern_sets[] = {
     62      1.1  dholland 		{ "IPAQ",	SET_KERNEL_IPAQ },
     63      1.1  dholland 		{ "JORNADA720",	SET_KERNEL_JORNADA720 },
     64      1.1  dholland 		{ "WZERO3",	SET_KERNEL_WZERO3 }
     65      1.1  dholland 	};
     66      1.1  dholland 	static const int mib[2] = {CTL_KERN, KERN_VERSION};
     67      1.1  dholland 	size_t len;
     68      1.1  dholland 	char *version;
     69      1.1  dholland 	u_int i;
     70      1.1  dholland 
     71      1.1  dholland 	/* check INSTALL kernel name to select an appropriate kernel set */
     72      1.1  dholland 	/* XXX: hw.cpu_model has a processor name on arm ports */
     73      1.1  dholland 	sysctl(mib, 2, NULL, &len, NULL, 0);
     74      1.1  dholland 	version = malloc(len);
     75      1.1  dholland 	if (version == NULL)
     76      1.1  dholland 		return;
     77      1.1  dholland 	sysctl(mib, 2, version, &len, NULL, 0);
     78      1.1  dholland 	for (i = 0; i < __arraycount(kern_sets); i++) {
     79      1.1  dholland 		if (strstr(version, kern_sets[i].name) != NULL) {
     80      1.1  dholland 			set_kernel_set(kern_sets[i].set);
     81      1.1  dholland 			break;
     82      1.1  dholland 		}
     83      1.1  dholland 	}
     84      1.1  dholland 	free(version);
     85      1.1  dholland }
     86      1.1  dholland 
     87      1.3    martin bool
     88      1.3    martin md_get_info(struct install_partition_desc *install)
     89      1.1  dholland {
     90  1.5.2.3    bouyer 	int res;
     91      1.4    martin 
     92      1.4    martin 	if (pm->no_mbr || pm->no_part)
     93      1.4    martin 		return true;
     94      1.4    martin 
     95  1.5.2.3    bouyer again:
     96      1.4    martin 	if (pm->parts == NULL) {
     97      1.4    martin 
     98      1.4    martin 		const struct disk_partitioning_scheme *ps =
     99      1.4    martin 		    select_part_scheme(pm, NULL, true, NULL);
    100      1.4    martin 
    101      1.4    martin 		if (!ps)
    102  1.5.2.1   msaitoh 			return false;
    103      1.4    martin 
    104      1.4    martin 		struct disk_partitions *parts =
    105      1.4    martin 		   (*ps->create_new_for_disk)(pm->diskdev,
    106  1.5.2.2   msaitoh 		   0, pm->dlsize, true, NULL);
    107      1.4    martin 		if (!parts)
    108      1.4    martin 			return false;
    109      1.4    martin 
    110      1.4    martin 		pm->parts = parts;
    111      1.4    martin 		if (ps->size_limit > 0 && pm->dlsize > ps->size_limit)
    112      1.4    martin 			pm->dlsize = ps->size_limit;
    113      1.4    martin 	}
    114      1.4    martin 
    115  1.5.2.3    bouyer 	res = set_bios_geom_with_mbr_guess(pm->parts);
    116  1.5.2.3    bouyer 	if (res == 0)
    117  1.5.2.3    bouyer 		return false;
    118  1.5.2.3    bouyer 	else if (res == 1)
    119  1.5.2.3    bouyer 		return true;
    120  1.5.2.3    bouyer 
    121  1.5.2.3    bouyer 	pm->parts->pscheme->destroy_part_scheme(pm->parts);
    122  1.5.2.3    bouyer 	pm->parts = NULL;
    123  1.5.2.3    bouyer 	goto again;
    124      1.1  dholland }
    125      1.1  dholland 
    126      1.1  dholland /*
    127      1.1  dholland  * md back-end code for menu-driven BSD disklabel editor.
    128      1.1  dholland  */
    129  1.5.2.3    bouyer int
    130      1.3    martin md_make_bsd_partitions(struct install_partition_desc *install)
    131      1.1  dholland {
    132      1.3    martin 	return make_bsd_partitions(install);
    133      1.1  dholland }
    134      1.1  dholland 
    135      1.1  dholland /*
    136      1.1  dholland  * any additional partition validation
    137      1.1  dholland  */
    138      1.3    martin bool
    139      1.3    martin md_check_partitions(struct install_partition_desc *install)
    140      1.1  dholland {
    141      1.3    martin 	return true;
    142      1.1  dholland }
    143      1.1  dholland 
    144      1.1  dholland /*
    145      1.1  dholland  * hook called before writing new disklabel.
    146      1.1  dholland  */
    147      1.3    martin bool
    148      1.3    martin md_pre_disklabel(struct install_partition_desc *install,
    149      1.3    martin     struct disk_partitions *parts)
    150      1.1  dholland {
    151      1.1  dholland 
    152      1.3    martin 	if (parts->parent == NULL)
    153      1.3    martin 		return true;	/* no outer partitions */
    154      1.3    martin 
    155      1.3    martin 	parts = parts->parent;
    156      1.3    martin 
    157      1.3    martin 	msg_display_subst(MSG_dofdisk, 3, parts->disk,
    158      1.3    martin 	    msg_string(parts->pscheme->name),
    159      1.3    martin 	    msg_string(parts->pscheme->short_name));
    160      1.3    martin 
    161      1.3    martin 	/* write edited "MBR" onto disk. */
    162      1.3    martin 	if (!parts->pscheme->write_to_disk(parts)) {
    163      1.1  dholland 		msg_display(MSG_wmbrfail);
    164      1.1  dholland 		process_menu(MENU_ok, NULL);
    165      1.3    martin 		return false;
    166      1.1  dholland 	}
    167      1.3    martin 	return true;
    168      1.1  dholland }
    169      1.1  dholland 
    170      1.1  dholland /*
    171      1.1  dholland  * hook called after writing disklabel to new target disk.
    172      1.1  dholland  */
    173      1.3    martin bool
    174      1.3    martin md_post_disklabel(struct install_partition_desc *install,
    175      1.3    martin     struct disk_partitions *parts)
    176      1.1  dholland {
    177      1.3    martin #if 0
    178      1.1  dholland 	/* Sector forwarding / badblocks ... */
    179      1.2    martin 	if (*pm->doessf) {
    180      1.1  dholland 		msg_display(MSG_dobad144);
    181      1.1  dholland 		return run_program(RUN_DISPLAY, "/usr/sbin/bad144 %s 0",
    182      1.2    martin 		    pm->diskdev);
    183      1.1  dholland 	}
    184      1.3    martin #endif
    185      1.3    martin 
    186      1.3    martin 	return true;
    187      1.1  dholland }
    188      1.1  dholland 
    189      1.1  dholland /*
    190      1.1  dholland  * hook called after upgrade() or install() has finished setting
    191      1.1  dholland  * up the target disk but immediately before the user is given the
    192      1.1  dholland  * ``disks are now set up'' message.
    193      1.1  dholland  */
    194      1.1  dholland int
    195      1.3    martin md_post_newfs(struct install_partition_desc *install)
    196      1.1  dholland {
    197      1.1  dholland 	struct mbr_sector pbr;
    198      1.1  dholland 	char adevname[STRSIZE];
    199      1.1  dholland 	ssize_t sz;
    200      1.1  dholland 	int fd = -1;
    201      1.1  dholland 
    202      1.2    martin 	snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev);
    203      1.1  dholland 	fd = open(adevname, O_RDWR);
    204      1.1  dholland 	if (fd < 0)
    205      1.1  dholland 		goto out;
    206      1.1  dholland 
    207      1.1  dholland 	/* Read partition boot record */
    208      1.1  dholland 	sz = pread(fd, &pbr, sizeof(pbr), 0);
    209      1.1  dholland 	if (sz != sizeof(pbr))
    210      1.1  dholland 		goto out;
    211      1.1  dholland 
    212      1.1  dholland 	/* Check magic number */
    213      1.1  dholland 	if (pbr.mbr_magic != le16toh(MBR_MAGIC))
    214      1.1  dholland 		goto out;
    215      1.1  dholland 
    216      1.1  dholland #define	OSNAME	"NetBSD60"
    217      1.1  dholland 	/* Update oemname */
    218      1.1  dholland 	memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1);
    219      1.1  dholland 
    220      1.1  dholland 	/* Clear BPB */
    221      1.1  dholland 	memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb));
    222      1.1  dholland 
    223      1.1  dholland 	/* write-backed new patition boot record */
    224      1.1  dholland 	(void)pwrite(fd, &pbr, sizeof(pbr), 0);
    225      1.1  dholland 
    226      1.1  dholland out:
    227      1.1  dholland 	if (fd >= 0)
    228      1.1  dholland 		close(fd);
    229      1.1  dholland 	return 0;
    230      1.1  dholland }
    231      1.1  dholland 
    232      1.1  dholland int
    233      1.3    martin md_post_extract(struct install_partition_desc *install)
    234      1.1  dholland {
    235      1.1  dholland 	return 0;
    236      1.1  dholland }
    237      1.1  dholland 
    238      1.1  dholland void
    239      1.3    martin md_cleanup_install(struct install_partition_desc *install)
    240      1.1  dholland {
    241      1.1  dholland #ifndef DEBUG
    242      1.1  dholland 	enable_rc_conf();
    243      1.1  dholland #endif
    244      1.1  dholland }
    245      1.1  dholland 
    246      1.1  dholland int
    247      1.3    martin md_pre_update(struct install_partition_desc *install)
    248      1.1  dholland {
    249      1.1  dholland 	return 1;
    250      1.1  dholland }
    251      1.1  dholland 
    252      1.1  dholland /* Upgrade support */
    253      1.1  dholland int
    254      1.3    martin md_update(struct install_partition_desc *install)
    255      1.1  dholland {
    256      1.3    martin 	md_post_newfs(install);
    257      1.1  dholland 	return 1;
    258      1.1  dholland }
    259      1.1  dholland 
    260      1.1  dholland int
    261      1.3    martin md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet)
    262      1.1  dholland {
    263      1.1  dholland 	return 2;
    264      1.1  dholland }
    265      1.1  dholland 
    266      1.3    martin bool
    267      1.3    martin md_parts_use_wholedisk(struct disk_partitions *parts)
    268      1.1  dholland {
    269      1.3    martin 	return parts_use_wholedisk(parts, 0, NULL);
    270      1.1  dholland }
    271      1.1  dholland 
    272      1.1  dholland int
    273      1.5    martin md_pre_mount(struct install_partition_desc *install, size_t ndx)
    274      1.1  dholland {
    275      1.1  dholland 	return 0;
    276      1.1  dholland }
    277      1.3    martin 
    278      1.3    martin bool
    279      1.3    martin md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri)
    280      1.3    martin {
    281      1.3    martin 	return false;	/* no change, no need to write back */
    282      1.3    martin }
    283      1.3    martin 
    284      1.3    martin #ifdef HAVE_GPT
    285      1.3    martin bool
    286      1.3    martin md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
    287      1.3    martin     bool root_is_new, part_id efi_id, bool efi_is_new)
    288      1.3    martin {
    289      1.3    martin 	/* no GPT boot support, nothing needs to be done here */
    290      1.3    martin 	return true;
    291      1.3    martin }
    292      1.3    martin #endif
    293      1.3    martin 
    294