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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup rtems_ramdisk |
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5 | * |
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6 | * @brief RAM disk block device implementation. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2009-2012 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | #include "config.h" |
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25 | #endif |
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26 | |
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27 | #include <rtems/ramdisk.h> |
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28 | |
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29 | rtems_status_code ramdisk_register( |
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30 | uint32_t media_block_size, |
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31 | rtems_blkdev_bnum media_block_count, |
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32 | bool trace, |
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33 | const char *disk |
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34 | ) |
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35 | { |
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36 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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37 | ramdisk *rd = NULL; |
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38 | |
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39 | rd = ramdisk_allocate(NULL, media_block_size, media_block_count, trace); |
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40 | if (rd == NULL) { |
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41 | return RTEMS_UNSATISFIED; |
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42 | } |
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43 | |
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44 | sc = rtems_blkdev_create( |
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45 | disk, |
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46 | media_block_size, |
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47 | media_block_count, |
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48 | ramdisk_ioctl, |
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49 | rd |
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50 | ); |
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51 | if (sc != RTEMS_SUCCESSFUL) { |
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52 | ramdisk_free(rd); |
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53 | |
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54 | return RTEMS_UNSATISFIED; |
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55 | } |
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56 | |
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57 | return RTEMS_SUCCESSFUL; |
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58 | } |
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