/*      $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 */