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| 2547 | cejka | 1 | /* |
| 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 | |||
| 29 | /** @addtogroup devmap |
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| 30 | * @{ |
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| 4668 | trochtova | 31 | */ |
| 2547 | cejka | 32 | |
| 33 | #ifndef DEVMAP_DEVMAP_H_ |
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| 34 | #define DEVMAP_DEVMAP_H_ |
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| 35 | |||
| 4420 | trochtova | 36 | #include <atomic.h> |
| 2550 | cejka | 37 | #include <ipc/ipc.h> |
| 4537 | trochtova | 38 | #include <adt/list.h> |
| 2550 | cejka | 39 | |
| 4420 | trochtova | 40 | #define DEVMAP_NAME_MAXLEN 255 |
| 2555 | cejka | 41 | |
| 4420 | trochtova | 42 | typedef ipcarg_t dev_handle_t; |
| 43 | |||
| 2547 | cejka | 44 | typedef enum { |
| 2594 | cejka | 45 | DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD, |
| 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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| 4420 | trochtova | 50 | DEVMAP_DEVICE_GET_HANDLE, |
| 4668 | trochtova | 51 | DEVMAP_DEVICE_NULL_CREATE, |
| 52 | DEVMAP_DEVICE_NULL_DESTROY, |
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| 4420 | trochtova | 53 | DEVMAP_DEVICE_GET_COUNT, |
| 54 | DEVMAP_DEVICE_GET_DEVICES |
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| 2547 | cejka | 55 | } devmap_request_t; |
| 56 | |||
| 4420 | trochtova | 57 | /** Interface provided by devmap. |
| 2555 | cejka | 58 | * |
| 2635 | cejka | 59 | * Every process that connects to devmap must ask one of following |
| 60 | * interfaces otherwise connection will be refused. |
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| 4420 | trochtova | 61 | * |
| 2594 | cejka | 62 | */ |
| 63 | typedef enum { |
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| 4420 | trochtova | 64 | /** Connect as device driver */ |
| 65 | DEVMAP_DRIVER = 1, |
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| 66 | /** Connect as client */ |
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| 2635 | cejka | 67 | DEVMAP_CLIENT, |
| 4420 | trochtova | 68 | /** Create new connection to instance of device that |
| 69 | is specified by second argument of call. */ |
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| 2635 | cejka | 70 | DEVMAP_CONNECT_TO_DEVICE |
| 2594 | cejka | 71 | } devmap_interface_t; |
| 72 | |||
| 4420 | trochtova | 73 | typedef struct { |
| 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 | |||
| 2547 | cejka | 78 | #endif |