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  1. /*
  2.  * Copyright (C) 2005 Jakub Jermar
  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. #ifndef __KCONSOLE_H__
  30. #define __KCONSOLE_H__
  31.  
  32. #include <typedefs.h>
  33. #include <list.h>
  34. #include <synch/spinlock.h>
  35.  
  36. enum cmd_arg_type {
  37.     ARG_TYPE_INVALID = 0,
  38.     ARG_TYPE_INT,
  39.     ARG_TYPE_STRING
  40. };
  41.  
  42. /** Structure representing one argument of kconsole command line. */
  43. struct cmd_arg {
  44.     cmd_arg_type_t type;        /**< Type descriptor. */
  45.     void *buffer;           /**< Buffer where to store data. */
  46.     size_t len;         /**< Size of the buffer. */
  47. };
  48.  
  49. /** Structure representing one kconsole command. */
  50. struct cmd_info {
  51.     link_t link;            /**< Command list link. */
  52.     spinlock_t lock;        /**< This lock protects everything below. */
  53.     const char *name;       /**< Command name. */
  54.     const char *description;    /**< Textual description. */
  55.     int (* func)(cmd_arg_t *);  /**< Function implementing the command. */
  56.     count_t argc;           /**< Number of arguments. */
  57.     cmd_arg_t *argv;        /**< Argument vector. */
  58.     void (* help)(void);        /**< Function for printing detailed help. */
  59. };
  60.  
  61. extern spinlock_t cmd_lock;
  62. extern link_t cmd_head;
  63.  
  64. extern void kconsole_init(void);
  65. extern void kconsole(void *arg);
  66.  
  67. extern int cmd_register(cmd_info_t *cmd);
  68.  
  69. #endif
  70.