/*	$NetBSD: md.h,v 1.6.2.3 2020/10/15 19:36:52 bouyer Exp $	*/

/*
 * Copyright 1997 Piermont Information Systems Inc.
 * All rights reserved.
 *
 * 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.h -- Machine specific definitions for the i386 */


#include <machine/cpu.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/bootblock.h>
#include <fcntl.h>
#include <unistd.h>

/* i386 uses the mbr code. */
#include "mbr.h"

/* constants and defines */
#define DEFROOTSIZE	128	/* Default root size */
#define DEFUSRSIZE	0	/* Default /usr size, if /home */
#define XNEEDMB		300	/* Extra megs for full X installation */
#define DEBNEEDMB	1400	/* Extra megs for debug sets */

#define	DEFSWAPSIZE	(-1)

/* use UFS2 by default for ffs */
#define	DEFAULT_UFS2

/* have support for booting from UFS2 */
#define	HAVE_UFS2_BOOT

/* have support for booting from GPT disks */
#define	HAVE_GPT_BOOT

/* allow using tmpfs for /tmp instead of mfs */
#define HAVE_TMPFS

/* have file system specific primary boot loader */
#define	HAVE_BOOTXX_xFS
#define	BOOTXXDIR	"/usr/mdec"
#define	BOOTXX_FFSV1	"bootxx_ffsv1"
#define	BOOTXX_FFSV2	"bootxx_ffsv2"
#define	BOOTXX_LFSV2	"bootxx_lfsv2"


/*
 *  Default filesets to fetch and install during installation
 *  or upgrade. The standard sets are:
 *      base etc comp games man misc rescue tests text xbase xcomp xetc xfont xserver
 *
 * x86_64 has the  MD set kern first, because generic kernels are  too
 * big to fit on install floppies.
 *
 * Third entry is the last extension name in the split sets for loading
 * from floppy.
 */
#define SET_KERNEL_1_NAME	"kern-GENERIC"
#define	SET_KERNEL_2_NAME	"kern-GENERIC_KASLR"

#define SET_KERNEL_GENERIC	SET_KERNEL_1

/*
 * Machine-specific command to write a new label to a disk.
 * For example, i386  uses "/sbin/disklabel -w -r", just like i386
 * miniroot scripts, though this may leave a bogus incore label.
 * Sun ports should probably use  DISKLABEL_CMD "/sbin/disklabel -w"
 * to get incore  to ondisk inode translation for the Sun proms.
 * If not defined, we assume the port does not support disklabels and
 * hand-edited disklabel will NOT be written by MI code.
 *
 * On amd64, do what the 1.2 install scripts did.
 */
#define DISKLABEL_CMD "disklabel -w -r"

#define _PATH_MBR	DEFAULT_BOOTDIR "/" DEFAULT_BOOTCODE
#define _PATH_BOOTSEL	DEFAULT_BOOTDIR "/" DEFAULT_BOOTSELCODE

extern struct mbr_bootsel *mbs;


/*
 *  prototypes for MD code.
 */

/*
 * When we do an UEFI install, we have completely different default
 * partitions and need to adjust the description at runtime.
 */
void x86_md_part_defaults(struct pm_devs*, struct part_usage_info**,
            size_t *num_usage_infos);

#define MD_PART_DEFAULTS(A,B,C)	x86_md_part_defaults(A,&(B),&(C))

/* no need to install bootblock if installing for UEFI */
bool x86_md_need_bootblock(struct install_partition_desc *install);
#define	MD_NEED_BOOTBLOCK(A)	x86_md_need_bootblock(A)

/* post-process boot.cfg for KASLR if that kernel has been selected */
void amd64_md_boot_cfg_finalize(const char*);
#define	MD_BOOT_CFG_FINALIZE(P)	amd64_md_boot_cfg_finalize(P)

#define	HAVE_EFI_BOOT		1	/* we support EFI boot partitions */