/*      $NetBSD: md.c,v 1.8 2022/01/29 16:01:18 martin 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 -- ews4800mips machine specific routines */

#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/param.h>
#include <stdio.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"

static int ews4800mips_boot_offset(void);

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, 100, "/dev/r%s%c", pm->diskdev, 'a' + getrawpartition());

        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);
}

/*
 * any additional partition validation
 */
bool
md_check_partitions(struct install_partition_desc *install)
{
        return true;
}

/*
 * hook called before writing new disklabel.
 */
bool
md_pre_disklabel(struct install_partition_desc *install,
    struct disk_partitions *parts)
{
        part_id part;
        struct disk_part_info info;
        daddr_t boot_offset = ews4800mips_boot_offset();

        /* make sure the boot partition is at the right offset */
        for (part = 0; part < parts->num_part; part++) {
                if (!parts->pscheme->get_part_info(parts, part, &info))
                        continue;
                if (info.flags & (PTI_SEC_CONTAINER|PTI_WHOLE_DISK|
                    PTI_PSCHEME_INTERNAL|PTI_RAW_PART))
                        continue;
                if (info.fs_type != PART_BOOT_TYPE)
                        continue;
                if (info.start == boot_offset)
                        continue;
                info.start = boot_offset;
                parts->pscheme->set_part_info(parts, part, &info, NULL);
        }

        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;
}

/*
 * hook called after upgrade() or install() has finished setting
 * up the target disk but immediately before the user is given the
 * ``disks are now set up'' message.
 *
 * On the ews4800mips, we use this opportunity to install the boot blocks.
 */
int
md_post_newfs(struct install_partition_desc *install)
{
        int flags;

        flags = RUN_DISPLAY | RUN_FATAL;
        cp_to_target("/usr/mdec/boot", "/stand/boot");
        run_program(flags, "/usr/sbin/installboot /dev/r%s%c %s",
            pm->diskdev, 'a' + getrawpartition(),
            "/usr/mdec/bootxx_bfs");

        return 0;
}

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
}

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

/* Upgrade support */
int
md_update(struct install_partition_desc *install)
{
        md_post_newfs(install);
        return 1;
}

static int
ews4800mips_boot_offset(void)
{
        return pm->dlcylsize;
}

/*
 * used in bsddisklabel.c as BOOT_SIZE
 */
int
ews4800mips_boot_size(void)
{
        int i;

        /*
         * pm->dlcylsize        : PDINFO block
         * pm->dlcylsize        : 100 block
         */
        i = pm->dlcylsize + 100;
        if (i >= 1024) /* XXX bsddisklabel.c hack. convert to byte count. */
                i = pm->dlcylsize * pm->sectorsize * 2;

        return i;
}

/*
 * used in bsddisklabel.c as SYSVBFS_SIZE
 */
int
ews4800mips_sysvbfs_size(void)
{
        return (8 * 1024 * 1024) / 512; /* 8MB */
}

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

bool
md_parts_use_wholedisk(struct disk_partitions *parts)
{
        struct disk_part_info boot_part = {
                .size = PART_BOOT / 512,
                .fs_type = PART_BOOT_TYPE,
        };

        boot_part.nat_type = parts->pscheme->get_fs_part_type(
            PT_root, boot_part.fs_type, boot_part.fs_sub_type);

        return parts_use_wholedisk(parts, 1, &boot_part);
}

#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