| 1 | /*
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| 2 | * Copyright (c) 2007 Josef Cejka
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup devmap
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | #ifndef DEVMAP_DEVMAP_H_
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| 34 | #define DEVMAP_DEVMAP_H_
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| 35 |
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| 36 | #include <atomic.h>
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| 37 | #include <ipc/ipc.h>
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| 38 | #include <adt/list.h>
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| 39 |
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| 40 | #define DEVMAP_NAME_MAXLEN 255
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| 41 |
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| 42 | typedef ipcarg_t dev_handle_t;
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| 43 |
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| 44 | typedef enum {
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| 45 | DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD,
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| 46 | DEVMAP_DRIVER_UNREGISTER,
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| 47 | DEVMAP_DEVICE_REGISTER,
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| 48 | DEVMAP_DEVICE_UNREGISTER,
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| 49 | DEVMAP_DEVICE_GET_NAME,
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| 50 | DEVMAP_DEVICE_GET_HANDLE,
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| 51 | DEVMAP_DEVICE_NULL_CREATE,
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| 52 | DEVMAP_DEVICE_NULL_DESTROY,
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| 53 | DEVMAP_DEVICE_GET_COUNT,
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| 54 | DEVMAP_DEVICE_GET_DEVICES
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| 55 | } devmap_request_t;
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| 56 |
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| 57 | /** Interface provided by devmap.
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| 58 | *
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| 59 | * Every process that connects to devmap must ask one of following
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| 60 | * interfaces otherwise connection will be refused.
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| 61 | *
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| 62 | */
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| 63 | typedef enum {
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| 64 | /** Connect as device driver */
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| 65 | DEVMAP_DRIVER = 1,
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| 66 | /** Connect as client */
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| 67 | DEVMAP_CLIENT,
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| 68 | /** Create new connection to instance of device that
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| 69 | is specified by second argument of call. */
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| 70 | DEVMAP_CONNECT_TO_DEVICE
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| 71 | } devmap_interface_t;
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| 72 |
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| 73 | typedef struct {
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| 74 | dev_handle_t handle;
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| 75 | char name[DEVMAP_NAME_MAXLEN + 1];
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| 76 | } dev_desc_t;
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| 77 |
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| 78 | #endif
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