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      1 /*	$NetBSD: md.c,v 1.10 2022/01/29 16:01:17 martin Exp $ */
      2 
      3 /*
      4  * Copyright 1997 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 -- bebox 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 		msg_display(MSG_wmbrfail);
    135 		process_menu(MENU_ok, NULL);
    136 		return false;
    137 	}
    138 	return true;
    139 }
    140 
    141 /*
    142  * hook called after writing disklabel to new target disk.
    143  */
    144 bool
    145 md_post_disklabel(struct install_partition_desc *install,
    146     struct disk_partitions *parts)
    147 {
    148 	return true;
    149 }
    150 
    151 /*
    152  * hook called after upgrade() or install() has finished setting
    153  * up the target disk but immediately before the user is given the
    154  * ``disks are now set up'' message.
    155  */
    156 int
    157 md_post_newfs(struct install_partition_desc *install)
    158 {
    159 	return 0;
    160 }
    161 
    162 int
    163 md_post_extract(struct install_partition_desc *install, bool upgrade)
    164 {
    165 	return 0;
    166 }
    167 
    168 void
    169 md_cleanup_install(struct install_partition_desc *install)
    170 {
    171 #ifndef DEBUG
    172 	enable_rc_conf();
    173 #endif
    174 }
    175 
    176 int
    177 md_pre_update(struct install_partition_desc *install)
    178 {
    179 	return 1;
    180 }
    181 
    182 /* Upgrade support */
    183 int
    184 md_update(struct install_partition_desc *install)
    185 {
    186 	md_post_newfs(install);
    187 	return 1;
    188 }
    189 
    190 int
    191 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet)
    192 {
    193 	return 2;
    194 }
    195 
    196 bool
    197 md_parts_use_wholedisk(struct disk_partitions *parts)
    198 {
    199 	return parts_use_wholedisk(parts, 0, NULL);
    200 }
    201 
    202 int
    203 md_pre_mount(struct install_partition_desc *install, size_t ndx)
    204 {
    205 	return 0;
    206 }
    207 
    208 /* returns false if no write-back of parts is required */
    209 bool
    210 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri)
    211 {
    212 	return false;
    213 }
    214 
    215 #ifdef HAVE_GPT
    216 /*
    217  * New GPT partitions have been written, update bootloader or remember
    218  * data untill needed in md_post_newfs
    219  */
    220 bool
    221 md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
    222     bool root_is_new, part_id efi_id, bool efi_is_new)
    223 {
    224 	return true;
    225 }
    226 #endif
    227 
    228