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      1 /*	$NetBSD: defs.h,v 1.15 2013/07/02 11:59:46 joerg Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifdef USE_OPENFIRM
     33 #include <dev/ofw/openfirmio.h>
     34 #endif
     35 
     36 #ifdef USE_PREPNVRAM
     37 #include <machine/nvram.h>
     38 #endif
     39 
     40 #undef BUFSIZE
     41 #define BUFSIZE		1024
     42 
     43 #define IO_READ		0
     44 #define IO_WRITE	1
     45 
     46 #define MAXIMUM(a, b)	((a) > (b) ? (a) : (b))
     47 
     48 /*
     49  * Misc. location declarations.
     50  */
     51 #define EE_SIZE			0x500
     52 #define EE_WC_LOC		0x04
     53 #define EE_CKSUM_LOC		0x0c
     54 #define EE_HWUPDATE_LOC		0x10
     55 #define EE_BANNER_ENABLE_LOC	0x20
     56 
     57 /*
     58  * Keyword table entry.  Contains a pointer to the keyword, the
     59  * offset into the prom where the value lives, and a pointer to
     60  * the function that handles that value.
     61  */
     62 struct	keytabent {
     63 	const char *kt_keyword;		/* keyword for this entry */
     64 	u_int	kt_offset;		/* offset into prom of value */
     65 	void	(*kt_handler) (const struct keytabent *, char *);
     66 					/* handler function for this entry */
     67 };
     68 
     69 /*
     70  * String-value table entry.  Maps a string to a numeric value and
     71  * vice-versa.
     72  */
     73 struct	strvaltabent {
     74 	const char *sv_str;		/* the string ... */
     75 	u_char	sv_val;			/* ... and the value */
     76 };
     77 
     78 #ifdef USE_OPENPROM
     79 struct	opiocdesc;
     80 /*
     81  * This is an entry in a table which describes a set of `exceptions'.
     82  * In other words, these are Openprom fields that we either can't
     83  * `just print' or don't know how to deal with.
     84  */
     85 struct	extabent {
     86 	const char *ex_keyword;		/* keyword for this entry */
     87 	void	(*ex_handler) (const struct extabent *,
     88 		    struct opiocdesc *, char *);
     89 					/* handler function for this entry */
     90 };
     91 #endif
     92 
     93 #ifdef USE_OPENFIRM
     94 struct	extabent {
     95 	const char *ex_keyword;		/* keyword for this entry */
     96 	void	(*ex_handler) (const struct extabent *,
     97 		    struct ofiocdesc *, char *);
     98 					/* handler function for this entry */
     99 };
    100 #endif
    101 
    102 #ifdef USE_PREPNVRAM
    103 struct	extabent {
    104 	const char *ex_keyword;		/* keyword for this entry */
    105 	void	(*ex_handler) (const struct extabent *,
    106 		    struct pnviocdesc *, char *);
    107 					/* handler function for this entry */
    108 };
    109 #endif
    110 
    111 
    112 /* Sun 3/4 EEPROM handlers. */
    113 void	ee_action(char *, char *);
    114 void	ee_dump(void);
    115 
    116 /* Sun 3/4 EEPROM checksum routines. */
    117 void	ee_updatechecksums(void);
    118 void	ee_verifychecksums(void);
    119 
    120 /* Sparc Openprom handlers. */
    121 char	*op_handler(char *, char *);
    122 void	op_action(char *, char *);
    123 void	op_dump(void);
    124 int	check_for_openprom(void);
    125 
    126 /* OpenFirmware handlers. */
    127 char	*of_handler(char *, char *);
    128 void	of_action(char *, char *);
    129 void	of_dump(void);
    130 
    131 /* PReP nvram handlers. */
    132 char	*prep_handler(char *, char *);
    133 void	prep_action(char *, char *);
    134 void	prep_dump(void);
    135