/*      $NetBSD: installboot.h,v 1.1 2024/09/15 03:56:57 tsutsui Exp $  */

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Luke Mewburn of Wasabi Systems.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 THE FOUNDATION OR CONTRIBUTORS
 * 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.
 */

#ifndef _INSTALLBOOT_H
#define _INSTALLBOOT_H

#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#include "../../sys/sys/bootblock.h"
#else
#include <sys/bootblock.h>
#include <sys/endian.h>
#endif

#include <sys/stat.h>
#include <stdint.h>

typedef enum {
                                /* flags from global options */
        IB_VERBOSE =    1<<0,           /* verbose operation */
        IB_NOWRITE =    1<<1,           /* don't write */
        IB_CLEAR =      1<<2,           /* clear boot block */

                                /* flags from -o options */
        IB_ALPHASUM =   1<<8,           /* set Alpha checksum */
        IB_APPEND =     1<<9,           /* append stage 1 to EO(regular)F */
        IB_SUNSUM =     1<<10,          /* set Sun checksum */
        IB_STAGE1START= 1<<11,          /* start block for stage 1 provided */
        IB_STAGE2START= 1<<12,          /* start block for stage 2 provided */
        IB_COMMAND =    1<<13,          /* Amiga commandline option */
        IB_RESETVIDEO = 1<<14,          /* i386 reset video */
        IB_CONSOLE =    1<<15,          /* i386 console */
        IB_CONSPEED =   1<<16,          /* i386 console baud rate */
        IB_TIMEOUT =    1<<17,          /* i386 boot timeout */
        IB_PASSWORD =   1<<18,          /* i386 boot password */
        IB_KEYMAP =     1<<19,          /* i386 console keymap */
        IB_CONSADDR =   1<<20,          /* i386 console io address */
} ib_flags;

typedef struct {
        ib_flags         flags;         /* flags (see above) */
        struct ib_mach  *machine;       /* machine details (see below) */
        struct ib_fs    *fstype;        /* file system details (see below) */
        const char      *filesystem;    /* name of target file system */
        int              fsfd;          /*  open fd to filesystem */
        struct stat      fsstat;        /*  fstat(2) of fsfd */
        const char      *stage1;        /* name of stage1 bootstrap */
        int              s1fd;          /*  open fd to stage1 */
        struct stat      s1stat;        /*  fstat(2) of s1fd */
        uint64_t         s1start;       /*  start block of stage1 */
        const char      *stage2;        /* name of stage2 bootstrap */
        uint64_t         s2start;       /*  start block of stage2 */
                /* parsed -o option=value data */
        const char      *command;       /* name of command string */
        const char      *console;       /* name of console */
        int              conspeed;      /* console baud rate */
        int              consaddr;      /* console io address */
        const char      *password;      /* boot password */
        int              timeout;       /* interactive boot timeout */
        const char      *keymap;        /* keyboard translations */
} ib_params;

typedef struct {
        uint64_t        block;
        uint32_t        blocksize;
} ib_block;

struct ib_mach {
        const char      *name;
        int             (*setboot)      (ib_params *);
        int             (*clearboot)    (ib_params *);
        ib_flags        valid_flags;
};

struct ib_fs {
                /* compile time parameters */
        const char      *name;
        int             (*match)        (ib_params *);
        int             (*findstage2)   (ib_params *, uint32_t *, ib_block *);
                /* run time fs specific parameters */
        uint32_t         blocksize;
        uint32_t         needswap;
        off_t           sblockloc;      /* location of superblock */
};

typedef enum {
        BBINFO_BIG_ENDIAN =     0,
        BBINFO_LITTLE_ENDIAN =  1,
} bbinfo_endian;

struct bbinfo_params {
        const char      *magic;         /* magic string to look for */
        uint32_t        offset;         /* offset to write start of stage1 */
        uint32_t        blocksize;      /* blocksize of stage1 */
        uint32_t        maxsize;        /* max size of stage1 */
        uint32_t        headeroffset;   /*
                                         * header offset (relative to offset)
                                         * to read stage1 into
                                         */
        bbinfo_endian   endian;
};

int             cd9660_match(ib_params *);
int             cd9660_findstage2(ib_params *, uint32_t *, ib_block *);

#endif  /* _INSTALLBOOT_H */