1 /* $NetBSD: memswitch.h,v 1.5 2018/01/26 09:38:26 christos 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)(struct property*, const char*); 49 typedef int (*print_t)(struct property*, char*); 50 typedef int (*fill_t)(struct property*); 51 typedef int (*flush_t)(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 show_single(const char*); 83 void show_all(void); 84 void modify_single(const char*); 85 void help_single(const char*); 86 void alloc_current_values(void); 87 void alloc_modified_values(void); 88 void flush(void); 89 int save(const char*); 90 int restore(const char*); 91