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md.c revision 1.7
      1 /*	$NetBSD: md.c,v 1.7 2019/06/17 14:19:44 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 
     62 	if (pm->no_mbr || pm->no_part)
     63 		return true;
     64 
     65 	if (pm->parts == NULL) {
     66 
     67 		const struct disk_partitioning_scheme *ps =
     68 		    select_part_scheme(pm, NULL, true, NULL);
     69 
     70 		if (!ps)
     71 			return true;
     72 
     73 		struct disk_partitions *parts =
     74 		   (*ps->create_new_for_disk)(pm->diskdev,
     75 		   0, pm->dlsize, pm->dlsize, true);
     76 		if (!parts)
     77 			return false;
     78 
     79 		pm->parts = parts;
     80 		if (ps->size_limit > 0 && pm->dlsize > ps->size_limit)
     81 			pm->dlsize = ps->size_limit;
     82 	}
     83 
     84 	return set_bios_geom_with_mbr_guess(pm->parts);
     85 }
     86 
     87 /*
     88  * md back-end code for menu-driven BSD disklabel editor.
     89  */
     90 bool
     91 md_make_bsd_partitions(struct install_partition_desc *install)
     92 {
     93 	return make_bsd_partitions(install);
     94 }
     95 
     96 /*
     97  * any additional partition validation
     98  */
     99 bool
    100 md_check_partitions(struct install_partition_desc *install)
    101 {
    102 	return true;
    103 }
    104 
    105 /*
    106  * hook called before writing new disklabel.
    107  */
    108 bool
    109 md_pre_disklabel(struct install_partition_desc *install,
    110     struct disk_partitions *parts)
    111 {
    112 
    113 	if (parts->parent == NULL)
    114 		return true;	/* no outer partitions */
    115 
    116 	parts = parts->parent;
    117 
    118 	msg_display_subst(MSG_dofdisk, 3, parts->disk,
    119 	    msg_string(parts->pscheme->name),
    120 	    msg_string(parts->pscheme->short_name));
    121 
    122 	/* write edited "MBR" onto disk. */
    123 	if (!parts->pscheme->write_to_disk(parts)) {
    124 		msg_display(MSG_wmbrfail);
    125 		process_menu(MENU_ok, NULL);
    126 		return false;
    127 	}
    128 	return true;
    129 }
    130 
    131 /*
    132  * hook called after writing disklabel to new target disk.
    133  */
    134 bool
    135 md_post_disklabel(struct install_partition_desc *install,
    136     struct disk_partitions *parts)
    137 {
    138 	return true;
    139 }
    140 
    141 /*
    142  * hook called after upgrade() or install() has finished setting
    143  * up the target disk but immediately before the user is given the
    144  * ``disks are now set up'' message.
    145  *
    146  * On the landisk, we use this opportunity to install the boot blocks.
    147  */
    148 int
    149 md_post_newfs(struct install_partition_desc *install)
    150 {
    151 	char *bootxx;
    152 	int error;
    153 
    154 	msg_display(MSG_dobootblks, pm->diskdev);
    155 	cp_to_target("/usr/mdec/boot", "/boot");
    156 	bootxx = bootxx_name(install);
    157 	if (bootxx != NULL) {
    158 		error = run_program(RUN_DISPLAY,
    159 		    "/usr/sbin/installboot -v /dev/r%sa %s", pm->diskdev, bootxx);
    160 		free(bootxx);
    161 	} else
    162 		error = -1;
    163 
    164 	if (error != 0)
    165 		process_menu(MENU_ok,
    166 		    __UNCONST("Warning: disk is probably not bootable"));
    167 
    168 	return 0;
    169 }
    170 
    171 int
    172 md_post_extract(struct install_partition_desc *install)
    173 {
    174 	return 0;
    175 }
    176 
    177 void
    178 md_cleanup_install(struct install_partition_desc *install)
    179 {
    180 #ifndef DEBUG
    181 	enable_rc_conf();
    182 #endif
    183 }
    184 
    185 int
    186 md_pre_update(struct install_partition_desc *install)
    187 {
    188 	return 1;
    189 }
    190 
    191 /* Upgrade support */
    192 int
    193 md_update(struct install_partition_desc *install)
    194 {
    195 	md_post_newfs(install);
    196 	return 1;
    197 }
    198 
    199 int
    200 md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet)
    201 {
    202 	return 2;
    203 }
    204 
    205 bool
    206 md_parts_use_wholedisk(struct disk_partitions *parts)
    207 {
    208 	return parts_use_wholedisk(parts, 0, NULL);
    209 }
    210 
    211 
    212 int
    213 md_pre_mount(struct install_partition_desc *install)
    214 {
    215 	return 0;
    216 }
    217 
    218 bool
    219 md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri)
    220 {
    221 	return false;	/* no change, no need to write back */
    222 }
    223 
    224 #ifdef HAVE_GPT
    225 bool
    226 md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
    227     bool root_is_new, part_id efi_id, bool efi_is_new)
    228 {
    229 	/* no GPT boot support, nothing needs to be done here */
    230 	return true;
    231 }
    232 #endif
    233 
    234