/*      $NetBSD: md.c,v 1.9 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 -- hppa machine specific routines */
/* This file is in close sync with pmax, vax, and x68k, sparc md.c */

#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"

#define HP700_PDC_LIMIT ((unsigned)2*1024*1024*1024)

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%sc", pm->diskdev);

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

        /*
         * hp700 PDC can only address up to 2GB.
         */
        root_limit = HP700_PDC_LIMIT / (unsigned)pm->sectorsize;

        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)
{
        /* Check the root partition is sane. */
        daddr_t limit = HP700_PDC_LIMIT / (unsigned)pm->sectorsize;
        size_t part;

        for (part = 0; part < install->num; part++) {
                if (strcmp(install->infos[part].mount, "/") == 0) {
                        daddr_t offset = install->infos[part].cur_start;
                        daddr_t size = install->infos[part].size;

                        if (offset > limit || offset + size > limit) {
                                msg_display(MSG_md_pdclimit);
                                process_menu(MENU_ok, NULL);
                                return false;
                        }
                }
        }

        return true;
}

/*
 * 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;
}

/*
 * 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.
 */
int
md_post_newfs(struct install_partition_desc *install)
{
        int error;

        error = cp_to_target("/usr/mdec/boot", "/boot");
        if (error)
                return error;

        /* boot blocks ... */
        msg_fmt_display(MSG_dobootblks, "%s", pm->diskdev);
        if (run_program(RUN_DISPLAY,
            "/usr/sbin/installboot -v /dev/r%sc /usr/mdec/xxboot",
            pm->diskdev))
                process_menu(MENU_ok,
                         __UNCONST("Warning: disk is probably not bootable"));
        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;
}

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