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  1. /*
  2.  * Copyright (c) 2007 Josef Cejka
  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 devmap
  30.  * @{
  31.  */
  32.  
  33. #ifndef DEVMAP_DEVMAP_H_
  34. #define DEVMAP_DEVMAP_H_
  35.  
  36. #include <atomic.h>
  37. #include <ipc/ipc.h>
  38. #include <adt/list.h>
  39.  
  40. #define DEVMAP_NAME_MAXLEN  255
  41.  
  42. typedef ipcarg_t dev_handle_t;
  43.  
  44. typedef enum {
  45.     DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD,
  46.     DEVMAP_DRIVER_UNREGISTER,
  47.     DEVMAP_DEVICE_REGISTER,
  48.     DEVMAP_DEVICE_UNREGISTER,
  49.     DEVMAP_DEVICE_GET_NAME,
  50.     DEVMAP_DEVICE_GET_HANDLE,
  51.     DEVMAP_DEVICE_NULL_CREATE,
  52.     DEVMAP_DEVICE_NULL_DESTROY,
  53.     DEVMAP_DEVICE_GET_COUNT,
  54.     DEVMAP_DEVICE_GET_DEVICES
  55. } devmap_request_t;
  56.  
  57. /** Interface provided by devmap.
  58.  *
  59.  * Every process that connects to devmap must ask one of following
  60.  * interfaces otherwise connection will be refused.
  61.  *
  62.  */
  63. typedef enum {
  64.     /** Connect as device driver */
  65.     DEVMAP_DRIVER = 1,
  66.     /** Connect as client */
  67.     DEVMAP_CLIENT,
  68.     /** Create new connection to instance of device that
  69.         is specified by second argument of call. */
  70.     DEVMAP_CONNECT_TO_DEVICE
  71. } devmap_interface_t;
  72.  
  73. typedef struct {
  74.     dev_handle_t handle;
  75.     char name[DEVMAP_NAME_MAXLEN + 1];
  76. } dev_desc_t;
  77.  
  78. #endif
  79.