forked from Imagelibrary/rtems
4670d91898
* Doxygen.in: Fixed project name. Added project number. Enabled auto brief. Disabled include graphs. * include/rtems/irq-extension.h, libblock/include/rtems/bdpart.h, libblock/include/rtems/bdbuf.h, libblock/include/rtems/bdpart.h, libblock/include/rtems/blkdev.h, libblock/include/rtems/diskdevs.h, libblock/include/rtems/ramdisk.h, libblock/src/bdbuf.c, libblock/src/blkdev.c, libblock/src/diskdevs.c, libblock/src/ramdisk.c: Documentation. * libblock/src/bdpart.c: Documentation. Fixed NULL pointer access.
97 lines
1.7 KiB
C
97 lines
1.7 KiB
C
/**
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* @file
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*
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* @ingroup rtems_ramdisk
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*
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* RAM disk block device.
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*/
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/*
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* Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
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* Author: Victor V. Vengerov <vvv@oktet.ru>
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*
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* @(#) $Id$
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*/
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#ifndef _RTEMS_RAMDISK_H
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#define _RTEMS_RAMDISK_H
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#include <rtems.h>
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#include <rtems/blkdev.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup rtems_ramdisk RAM Disk Device
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*
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* @ingroup rtems_blkdev
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*
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* @{
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*/
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/**
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* RAM disk configuration table entry.
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*/
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typedef struct rtems_ramdisk_config {
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/**
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* RAM disk block size (must be a power of two).
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*/
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uint32_t block_size;
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/**
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* Number of blocks on this RAM disk.
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*/
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rtems_blkdev_bnum block_num;
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/**
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* RAM disk location or @c NULL if RAM disk memory should be allocated
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* dynamically.
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*/
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void *location;
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} rtems_ramdisk_config;
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/**
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* External reference to the RAM disk configuration table describing each RAM
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* disk in the system.
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*
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* The configuration table is provided by the application.
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*/
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extern rtems_ramdisk_config rtems_ramdisk_configuration [];
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/**
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* External reference the size of the RAM disk configuration table
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* @ref rtems_ramdisk_configuration.
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*
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* The configuration table size is provided by the application.
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*/
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extern size_t rtems_ramdisk_configuration_size;
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/**
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* RAM disk driver initialization entry point.
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*/
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rtems_device_driver ramdisk_initialize(
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rtems_device_major_number major,
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rtems_device_minor_number minor,
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void *arg
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);
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/**
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* RAM disk driver table entry.
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*/
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#define RAMDISK_DRIVER_TABLE_ENTRY \
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{ \
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.initialization_entry = ramdisk_initialize, \
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RTEMS_GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES \
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}
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif
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