usr.sbin/memswitch/memswitch.h

   1 /*      $NetBSD: memswitch.h,v 1.1.1.1 1999/06/21 15:56:03 minoura Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Minoura Makoto.
   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 /* memswitch.h */
  33
  34 #include <paths.h>
  35
  36 #ifndef _PATH_DEVSRAM
  37 #define _PATH_DEVSRAM "/dev/sram"
  38 #endif
  39
  40 #define PROP_MAGIC1 (0)
  41 #define PROP_MAGIC2 (1)
  42 #define MAGIC1  (0x82773638)
  43 #define MAGIC2  (0x30303057)
  44 #define MAXVALUELEN 100
  45
  46 struct property;
  47
  48 typedef int (*parse_t) __P((struct property*, const char*));
  49 typedef int (*print_t) __P((struct property*, char*));
  50 typedef int (*fill_t) __P((struct property*));
  51 typedef int (*flush_t) __P((struct property*));
  52
  53 struct property {
  54         const char *class;
  55         const char *node;
  56         int offset;
  57         int size;
  58         int value_valid;
  59         union value {
  60                 unsigned char byte[4];
  61                 unsigned short word[2];
  62                 unsigned long longword;
  63                 void *pointer;
  64         } current_value;
  65         int modified;
  66         union value modified_value;
  67         union value default_value;
  68         parse_t parse;
  69         int min, max;
  70         print_t print;
  71         fill_t fill;
  72         flush_t flush;
  73         const char *descr;
  74 };
  75
  76 extern int number_of_props;
  77 extern struct property properties[];
  78 extern char *progname;
  79 extern u_int8_t *current_values;
  80 extern u_int8_t *modified_values;
  81
  82 void usage __P((void)) __attribute__((noreturn));
  83 void show_single __P((const char*));
  84 void show_all __P((void));
  85 void modify_single __P((const char*));
  86 void help_single __P((const char*));
  87 void alloc_current_values __P((void));
  88 void alloc_modified_values __P((void));
  89 void flush __P((void));
  90 int save __P((const char*));
  91 int restore __P((const char*));