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  1. /*
  2.  * Copyright (c) 2006 Jakub Vana
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup generic
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_SYSINFO_H_
  36. #define KERN_SYSINFO_H_
  37.  
  38. #include <arch/types.h>
  39.  
  40. typedef union sysinfo_item_val {
  41.     unative_t val;
  42.     void *fn;
  43. } sysinfo_item_val_t;
  44.  
  45. typedef struct sysinfo_item {
  46.     char *name;
  47.     union {
  48.         unative_t val;
  49.         void *fn;
  50.     } val;
  51.  
  52.     union {
  53.         struct sysinfo_item *table;
  54.         void *fn;
  55.     } subinfo;
  56.  
  57.     struct sysinfo_item *next;
  58.     int val_type;
  59.     int subinfo_type;
  60. } sysinfo_item_t;
  61.  
  62. #define SYSINFO_VAL_VAL 0
  63. #define SYSINFO_VAL_FUNCTION 1
  64. #define SYSINFO_VAL_UNDEFINED '?'
  65.  
  66. #define SYSINFO_SUBINFO_NONE 0
  67. #define SYSINFO_SUBINFO_TABLE 1
  68. #define SYSINFO_SUBINFO_FUNCTION 2
  69.  
  70. typedef unative_t (*sysinfo_val_fn_t)(sysinfo_item_t *root);
  71. typedef unative_t (*sysinfo_subinfo_fn_t)(const char *subname);
  72.  
  73. typedef struct sysinfo_rettype {
  74.     unative_t val;
  75.     unative_t valid;
  76. } sysinfo_rettype_t;
  77.  
  78. void sysinfo_set_item_val(const char *name, sysinfo_item_t **root, unative_t val);
  79. void sysinfo_dump(sysinfo_item_t **root, int depth);
  80. void sysinfo_set_item_function(const char *name, sysinfo_item_t **root, sysinfo_val_fn_t fn);
  81. void sysinfo_set_item_undefined(const char *name, sysinfo_item_t **root);
  82.  
  83. sysinfo_rettype_t sysinfo_get_val(const char *name, sysinfo_item_t **root);
  84.  
  85. unative_t sys_sysinfo_valid(unative_t ptr, unative_t len);
  86. unative_t sys_sysinfo_value(unative_t ptr, unative_t len);
  87.  
  88. #endif
  89.  
  90. /** @}
  91.  */
  92.