* Copyright 1997 Piermont Information Systems Inc.

/* $NetBSD: md.c,v 1.12 2024/02/10 18:43:54 andvar Exp $ */

/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Based on code written by Philip A. Nelson for Piermont Information
* Systems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

/* md.c -- luna68k machine specific routines */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <curses.h>
#include <unistd.h>
#include <fcntl.h>
#include <util.h>

#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"

#define PART_BOOT_BSIZE 4096
#define PART_BOOT_FSIZE 512

void
md_init(void)
{
}

void
md_init_set_status(int flags)
{

(void)flags;
}

bool
md_get_info(struct install_partition_desc *install)
{
struct disklabel disklabel;
int fd;
char dev_name[100];

snprintf(dev_name, sizeof(dev_name), "/dev/r%sc", pm->diskdev);

fd = open(dev_name, O_RDONLY, 0);
if (fd < 0) {
endwin();
fprintf (stderr, "Can't open %s\n", dev_name);
exit(1);
}
if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) {
endwin();
fprintf (stderr, "Can't read disklabel on %s.\n", dev_name);
close(fd);
exit(1);
}
close(fd);

pm->dlcyl = disklabel.d_ncylinders;
pm->dlhead = disklabel.d_ntracks;
pm->dlsec = disklabel.d_nsectors;
pm->sectorsize = disklabel.d_secsize;
pm->dlcylsize = disklabel.d_secpercyl;

/*
* Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec)
* and secperunit, just in case the disk is already labelled.
* (If our new label's RAW_PART size ends up smaller than the
* in-core RAW_PART size value, updating the label will fail.)
*/
pm->dlsize = pm->dlcyl * pm->dlhead * pm->dlsec;
if (disklabel.d_secperunit > pm->dlsize)
pm->dlsize = disklabel.d_secperunit;

return true;
}

/*
* md back-end code for menu-driven BSD disklabel editor.
*/
int
md_make_bsd_partitions(struct install_partition_desc *install)
{

return make_bsd_partitions(install);
}

static part_id
find_boot_part(struct install_partition_desc *install)
{
for (size_t i = 0; i < install->num; i++) {
if (install->infos[i].fs_type != PART_BOOT_TYPE)
continue;
if (install->infos[i].fs_version != PART_BOOT_SUBT)
continue;
if (install->infos[i].size < (PART_BOOT/512))
continue;
if (install->infos[i].cur_start > 0)
continue;
return i;
}
return NO_PART;
}

/*
* any additional partition validation
*/
bool
md_check_partitions(struct install_partition_desc *install)
{

/*
* Make sure that a boot partition (old 4.3BSD UFS) is prepared
* properly for our native bootloader.
*/
if (find_boot_part(install) != NO_PART)
return true;

msg_display(MSG_nobootpartdisklabel);
process_menu(MENU_ok, NULL);
return false;
}

/*
* hook called before writing new disklabel.
*/
bool
md_pre_disklabel(struct install_partition_desc *install,
struct disk_partitions *parts)
{

return true;
}

/*
* hook called after writing disklabel to new target disk.
*/
bool
md_post_disklabel(struct install_partition_desc *install,
struct disk_partitions *parts)
{
return true;
}

static int
copy_bootloader(const char *diskdev)
{
const char *mntdir = "/mnt2";

msg_fmt_display(MSG_copybootloader, "%s", diskdev);
if (!run_program(RUN_SILENT | RUN_ERROR_OK,
"mount %s %s", diskdev, mntdir)) {
mnt2_mounted = 1;
run_program(0, "/bin/cp /usr/mdec/boot %s", mntdir);
run_program(RUN_SILENT | RUN_ERROR_OK, "umount %s", mntdir);
mnt2_mounted = 0;
} else {
/* XXX print proper error message */
return 1;
}
return 0;
}

/*
* hook called after install() has finished setting up the target disk
* but immediately before the user is given the ``disks are now set up''
* message.
*/
int
md_post_newfs(struct install_partition_desc *install)
{
char rdisk[STRSIZE], disk[STRSIZE];
part_id boot_part = find_boot_part(install);

if (boot_part == NO_PART)
return 1;

if (!install->infos[boot_part].parts->pscheme->get_part_device(
install->infos[boot_part].parts,
install->infos[boot_part].cur_part_id,
rdisk, sizeof rdisk, NULL, raw_dev_name, true, true))
return 1;
if (!install->infos[boot_part].parts->pscheme->get_part_device(
install->infos[boot_part].parts,
install->infos[boot_part].cur_part_id,
disk, sizeof disk, NULL, plain_name, true, true))
return 1;

if (run_program(RUN_DISPLAY | RUN_PROGRESS,
"/sbin/newfs -V2 -O 0 -b %d -f %d %s",
PART_BOOT_BSIZE, PART_BOOT_FSIZE, rdisk))
return 1;
return copy_bootloader(disk);
}

int
md_post_extract(struct install_partition_desc *install, bool upgrade)
{

return 0;
}

void
md_cleanup_install(struct install_partition_desc *install)
{

#ifndef DEBUG
enable_rc_conf();
#endif
msg_display(MSG_howtoboot);
process_menu(MENU_ok, NULL);
}

int
md_pre_update(struct install_partition_desc *install)
{
return 1;
}

/* Upgrade support */
int
md_update(struct install_partition_desc *install)
{
const char *mntdir = "/mnt2";
char bootpath[MAXPATHLEN];
struct stat sb;
bool hasboot = false;
char disk[STRSIZE];
part_id boot_part = find_boot_part(install);

if (boot_part == NO_PART)
return 0;

if (!install->infos[boot_part].parts->pscheme->get_part_device(
install->infos[boot_part].parts,
install->infos[boot_part].cur_part_id,
disk, sizeof disk, NULL, plain_name, true, true))
return 0;

/*
* Check if there is a boot UFS partition and it has the old bootloader.
* We'll update bootloader only if the old one was installed.
*/
if (!run_program(RUN_SILENT | RUN_ERROR_OK,
"mount -r %s %s", disk, mntdir)) {
mnt2_mounted = 1;
snprintf(bootpath, sizeof(bootpath), "%s/%s", mntdir, "boot");
if (stat(bootpath, &sb) == 0 && S_ISREG(sb.st_mode))
hasboot = true;
run_program(RUN_SILENT | RUN_ERROR_OK, "umount %s", mntdir);
mnt2_mounted = 0;
if (hasboot)
(void)copy_bootloader(disk);
}
return 1;
}

int
md_pre_mount(struct install_partition_desc *install, size_t ndx)
{
return 0;
}

bool
md_parts_use_wholedisk(struct disk_partitions *parts)
{
return parts_use_wholedisk(parts, 0, NULL);
}

#ifdef HAVE_GPT
bool
md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
bool root_is_new, part_id efi_id, bool efi_is_new)
{
/* no GPT boot support, nothing needs to be done here */
return true;
}
#endif