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      1 /*	$NetBSD: md.c,v 1.16 2022/10/02 10:21:36 martin Exp $	*/
      2 
      3 /*
      4  * Copyright 1997,2002 Piermont Information Systems Inc.
      5  * All rights reserved.
      6  *
      7  * Based on code written by Philip A. Nelson for Piermont Information
      8  * Systems Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. The name of Piermont Information Systems Inc. may not be used to endorse
     19  *    or promote products derived from this software without specific prior
     20  *    written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
     23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
     26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     32  * THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 /* md.c -- landisk machine specific routines */
     36 
     37 #include <sys/param.h>
     38 #include <sys/sysctl.h>
     39 #include <stdio.h>
     40 #include <util.h>
     41 
     42 #include "defs.h"
     43 #include "md.h"
     44 #include "msg_defs.h"
     45 #include "menu_defs.h"
     46 
     47 void
     48 md_init(void)
     49 {
     50 }
     51 
     52 void
     53 md_init_set_status(int flags)
     54 {
     55 	(void)flags;
     56 }
     57 
     58 bool
     59 md_get_info(struct install_partition_desc *install)
     60 {
     61 	int res;
     62 
     63 	if (pm->no_mbr || pm->no_part)
     64 		return true;
     65 
     66 again:
     67 	if (pm->parts == NULL) {
     68 
     69 		const struct disk_partitioning_scheme *ps =
     70 		    select_part_scheme(pm, NULL, true, NULL);
     71 
     72 		if (!ps)
     73 			return false;
     74 
     75 		struct disk_partitions *parts =
     76 		   (*ps->create_new_for_disk)(pm->diskdev,
     77 		   0, pm->dlsize, true, NULL);
     78 		if (!parts)
     79 			return false;
     80 
     81 		pm->parts = parts;
     82 		if (ps->size_limit > 0 && pm->dlsize > ps->size_limit)
     83 			pm->dlsize = ps->size_limit;
     84 	}
     85 
     86 	res = set_bios_geom_with_mbr_guess(pm->parts);
     87 	if (res == 0)
     88 		return false;
     89 	else if (res == 1)
     90 		return true;
     91 
     92 	pm->parts->pscheme->destroy_part_scheme(pm->parts);
     93 	pm->parts = NULL;
     94 	goto again;
     95 }
     96 
     97 /*
     98  * md back-end code for menu-driven BSD disklabel editor.
     99  */
    100 int
    101 md_make_bsd_partitions(struct install_partition_desc *install)
    102 {
    103 	return make_bsd_partitions(install);
    104 }
    105 
    106 /*
    107  * any additional partition validation
    108  */
    109 bool
    110 md_check_partitions(struct install_partition_desc *install)
    111 {
    112 	return true;
    113 }
    114 
    115 /*
    116  * hook called before writing new disklabel.
    117  */
    118 bool
    119 md_pre_disklabel(struct install_partition_desc *install,
    120     struct disk_partitions *parts)
    121 {
    122 
    123 	if (parts->parent == NULL)
    124 		return true;	/* no outer partitions */
    125 
    126 	parts = parts->parent;
    127 
    128 	msg_display_subst(MSG_dofdisk, 3, parts->disk,
    129 	    msg_string(parts->pscheme->name),
    130 	    msg_string(parts->pscheme->short_name));
    131 
    132 	/* write edited "MBR" onto disk. */
    133 	if (!parts->pscheme->write_to_disk(parts) ||
    134 	    run_program(RUN_SILENT | RUN_ERROR_OK,
    135 	    "/sbin/fdisk -f -i -c /usr/mdec/mbr %s", parts->disk)) {
    136 		msg_display(MSG_wmbrfail);
    137 		process_menu(MENU_ok, NULL);
    138 		return false;
    139 	}
    140 	return true;
    141 }
    142 
    143 /*
    144  * hook called after writing disklabel to new target disk.
    145  */
    146 bool
    147 md_post_disklabel(struct install_partition_desc *install,
    148     struct disk_partitions *parts)
    149 {
    150 	return true;
    151 }
    152 
    153 /*
    154  * hook called after upgrade() or install() has finished setting
    155  * up the target disk but immediately before the user is given the
    156  * ``disks are now set up'' message.
    157  *
    158  * On the landisk, we use this opportunity to install the boot blocks.
    159  */
    160 int
    161 md_post_newfs(struct install_partition_desc *install)
    162 {
    163 	char *bootxx;
    164 	int error;
    165 
    166 	msg_fmt_display(MSG_dobootblks, "%s", pm->diskdev);
    167 	cp_to_target("/usr/mdec/boot", "/boot");
    168 	bootxx = bootxx_name(install);
    169 	if (bootxx != NULL) {
    170 		error = run_program(RUN_DISPLAY,
    171 		    "/usr/sbin/installboot -v /dev/r%sa %s", pm->diskdev, bootxx);
    172 		free(bootxx);
    173 	} else
    174 		error = -1;
    175 
    176 	if (error != 0)
    177 		process_menu(MENU_ok,
    178 		    __UNCONST("Warning: disk is probably not bootable"));
    179 
    180 	return 0;
    181 }
    182 
    183 int
    184 md_post_extract(struct install_partition_desc *install, bool upgrade)
    185 {
    186 	return 0;
    187 }
    188 
    189 void
    190 md_cleanup_install(struct install_partition_desc *install)
    191 {
    192 #ifndef DEBUG
    193 	enable_rc_conf();
    194 #endif
    195 }
    196 
    197 int
    198 md_pre_update(struct install_partition_desc *install)
    199 {
    200 	return 1;
    201 }
    202 
    203 /* Upgrade support */
    204 int
    205 md_update(struct install_partition_desc *install)
    206 {
    207 	md_post_newfs(install);
    208 	return 1;
    209 }
    210 
    211 int
    212 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet)
    213 {
    214 	return 2;
    215 }
    216 
    217 bool
    218 md_parts_use_wholedisk(struct disk_partitions *parts)
    219 {
    220 	return parts_use_wholedisk(parts, 0, NULL);
    221 }
    222 
    223 
    224 int
    225 md_pre_mount(struct install_partition_desc *install, size_t ndx)
    226 {
    227 	return 0;
    228 }
    229 
    230 bool
    231 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri)
    232 {
    233 	return false;	/* no change, no need to write back */
    234 }
    235 
    236 #ifdef HAVE_GPT
    237 bool
    238 md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
    239     bool root_is_new, part_id efi_id, bool efi_is_new)
    240 {
    241 	/* no GPT boot support, nothing needs to be done here */
    242 	return true;
    243 }
    244 #endif
    245 
    246