/*      $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