4.104.114.95
Last change
on this file since 90b2c072 was
90b2c072,
checked in by Ralf Corsepius <ralf.corsepius@…>, on 09/07/08 at 18:06:27
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Use "#include <..>" to include public headers.
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Property mode set to
100644
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File size:
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1 | /** |
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2 | * @file rtems/ramdisk.h |
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3 | * RAM disk block device implementation |
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4 | */ |
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5 | |
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6 | /* |
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7 | * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia |
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8 | * Author: Victor V. Vengerov <vvv@oktet.ru> |
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9 | * |
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10 | * @(#) $Id$ |
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11 | */ |
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12 | |
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13 | #ifndef _RTEMS_RAMDISK_H |
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14 | #define _RTEMS_RAMDISK_H |
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15 | |
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16 | |
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17 | #include <rtems.h> |
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18 | #include <rtems/blkdev.h> |
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19 | |
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20 | #ifdef __cplusplus |
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21 | extern "C" { |
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22 | #endif |
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23 | |
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24 | /* RAM disk configuration table entry */ |
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25 | typedef struct rtems_ramdisk_config { |
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26 | int block_size; /* RAM disk block size */ |
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27 | int block_num; /* Number of blocks on this RAM disk */ |
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28 | void *location; /* RAM disk permanent location (out of RTEMS controlled |
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29 | memory), or NULL if RAM disk memory should be |
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30 | allocated dynamically */ |
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31 | } rtems_ramdisk_config; |
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32 | |
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33 | /* If application want to use RAM disk, it should specify configuration of |
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34 | * available RAM disks. |
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35 | * The following is definitions for RAM disk configuration table |
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36 | */ |
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37 | extern rtems_ramdisk_config rtems_ramdisk_configuration[]; |
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38 | extern size_t rtems_ramdisk_configuration_size; |
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39 | |
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40 | /* ramdisk_initialize -- |
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41 | * RAM disk driver initialization entry point. |
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42 | */ |
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43 | rtems_device_driver |
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44 | ramdisk_initialize( |
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45 | rtems_device_major_number major, |
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46 | rtems_device_minor_number minor, |
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47 | void *arg); |
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48 | |
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49 | #define RAMDISK_DRIVER_TABLE_ENTRY \ |
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50 | { ramdisk_initialize, RTEMS_GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES } |
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51 | |
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52 | #ifdef __cplusplus |
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53 | } |
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54 | #endif |
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55 | |
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56 | #endif |
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