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installboot.h revision 1.9 
      1 /*	$NetBSD: installboot.h,v 1.9 2002/05/14 06:18:51 lukem Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Luke Mewburn of Wasabi Systems.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef	_INSTALLBOOT_H
     40 #define	_INSTALLBOOT_H
     41 
     42 #if HAVE_CONFIG_H
     43 #include "config.h"
     44 #endif
     45 
     46 typedef enum {
     47 				/* flags from global options */
     48 	IB_VERBOSE =	1<<0,		/* verbose operation */
     49 	IB_NOWRITE =	1<<1,		/* don't write */
     50 	IB_CLEAR =	1<<2,		/* clear boot block */
     51 
     52 				/* flags from -o options */
     53 	IB_ALPHASUM =	1<<8,		/* set Alpha checksum */
     54 	IB_APPEND =	1<<9,		/* clear boot block */
     55 	IB_SUNSUM =	1<<10,		/* set Sun checksum */
     56 	IB_STAGE1START=	1<<11,		/* start block for stage 1 provided */
     57 	IB_STAGE2START=	1<<12,		/* start block for stage 2 provided */
     58 } ib_flags;
     59 
     60 typedef struct {
     61 	ib_flags	 flags;		/* flags (see above) */
     62 	struct ib_mach	*machine;	/* machine details (see below) */
     63 	struct ib_fs	*fstype;	/* file system details (see below) */
     64 	const char	*filesystem;	/* name of target file system */
     65 	int		 fsfd;		/*  open fd to filesystem */
     66 	const char	*stage1;	/* name of stage1 bootstrap */
     67 	int		 s1fd;		/*  open fd to stage1 */
     68 	uint32_t	 s1start;	/*  start block of stage1 */
     69 	const char	*stage2;	/* name of stage2 bootstrap */
     70 	uint32_t	 s2start;	/*  start block of stage2 */
     71 } ib_params;
     72 
     73 typedef struct {
     74 	uint32_t	block;
     75 	uint32_t	blocksize;
     76 } ib_block;
     77 
     78 struct ib_mach {
     79 	const char	*name;
     80 	int		(*parseopt)	(ib_params *, const char *);
     81 	int		(*setboot)	(ib_params *);
     82 	int		(*clearboot)	(ib_params *);
     83 };
     84 
     85 struct ib_fs {
     86 		/* compile time parameters */
     87 	const char	*name;
     88 	int		(*match)	(ib_params *);
     89 	int		(*findstage2)	(ib_params *, uint32_t *, ib_block *);
     90 		/* run time fs specific parameters */
     91 	uint32_t	 blocksize;
     92 	uint32_t	 needswap;
     93 };
     94 
     95 extern struct ib_mach	machines[];
     96 extern struct ib_fs	fstypes[];
     97 
     98 	/* installboot.c */
     99 int		parseoptionflag(ib_params *, const char *, ib_flags);
    100 uint16_t	compute_sunsum(const uint16_t *);
    101 int		set_sunsum(ib_params *, uint16_t *, uint16_t);
    102 int		no_parseopt(ib_params *, const char *);
    103 int		no_setboot(ib_params *);
    104 int		no_clearboot(ib_params *);
    105 
    106 	/* fstypes.c */
    107 int		hardcode_stage2(ib_params *, uint32_t *, ib_block *);
    108 int		ffs_match(ib_params *);
    109 int		ffs_findstage2(ib_params *, uint32_t *, ib_block *);
    110 int		raw_match(ib_params *);
    111 int		raw_findstage2(ib_params *, uint32_t *, ib_block *);
    112 
    113 	/* machines.c */
    114 int		alpha_parseopt(ib_params *, const char *);
    115 int		alpha_setboot(ib_params *);
    116 int		alpha_clearboot(ib_params *);
    117 int		pmax_parseopt(ib_params *, const char *);
    118 int		pmax_setboot(ib_params *);
    119 int		pmax_clearboot(ib_params *);
    120 int		sparc_setboot(ib_params *);
    121 int		sparc_clearboot(ib_params *);
    122 int		sparc64_setboot(ib_params *);
    123 int		sparc64_clearboot(ib_params *);
    124 int		sun68k_setboot(ib_params *);
    125 int		sun68k_clearboot(ib_params *);
    126 int		vax_parseopt(ib_params *, const char *);
    127 int		vax_setboot(ib_params *);
    128 int		vax_clearboot(ib_params *);
    129 
    130 #endif	/* _INSTALLBOOT_H */
    131