mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-09-02 04:27:33 +08:00
Joel Sherrill
e51bd967cd
* Submitted by Victor V. Vengerov <vvv@oktet.ru> and merged into the RTEMS source. * ChangeLog, Makefile.am, README, configure.ac, include/Makefile.am, include/rtems/bdbuf.h, include/rtems/blkdev.h, include/rtems/diskdevs.h, include/rtems/ramdisk.h, include/rtems/.cvsignore, include/.cvsignore, src/Makefile.am, src/bdbuf.c, src/blkdev.c, src/diskdevs.c, src/ramdisk.c, src/.cvsignore, .cvsignore: New files.
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* ramdisk.c -- RAM disk block device implementation
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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_LIBBLOCK_RAMDISK_H__
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#define __RTEMS_LIBBLOCK_RAMDISK_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rtems.h>
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#include "rtems/blkdev.h"
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/* RAM disk configuration table entry */
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typedef struct rtems_ramdisk_config {
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int block_size; /* RAM disk block size */
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int block_num; /* Number of blocks on this RAM disk */
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void *location; /* RAM disk permanent location (out of RTEMS controlled
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memory), or NULL if RAM disk memory should be
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allocated dynamically */
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} rtems_ramdisk_config;
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/* If application want to use RAM disk, it should specify configuration of
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* available RAM disks.
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* The following is definitions for RAM disk configuration table
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*/
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extern rtems_ramdisk_config rtems_ramdisk_configuration[];
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extern int rtems_ramdisk_configuration_size;
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/* ramdisk_initialize --
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* RAM disk driver initialization entry point.
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*/
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rtems_device_driver
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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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#define RAMDISK_DRIVER_TABLE_ENTRY \
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{ ramdisk_initialize, GENERIC_BLOCK_DEVICE_DRIVER_ENTRIES }
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#ifdef __cplusplus
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}
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#endif
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#endif
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