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/**
* @file rtems/dosfs.h
*
* Application interface to MSDOS filesystem.
*/
/*
* Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
* Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* @(#) $Id$
*/
#ifndef __DOSFS_DOSFS_H__
#define __DOSFS_DOSFS_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems.h>
#include <rtems/libio.h>
extern rtems_filesystem_operations_table msdos_ops;
#define MSDOS_FMT_FATANY 0
#define MSDOS_FMT_FAT12 1
#define MSDOS_FMT_FAT16 2
#define MSDOS_FMT_FAT32 3
/*
* data to be filled out for formatter: parameters for format call
* any parameter set to 0 or NULL will be automatically detected/computed
*/
typedef struct {
const char *OEMName; /* OEM Name string or NULL */
const char *VolLabel; /* Volume Label string or NULL */
uint32_t sectors_per_cluster; /* request value: sectors per cluster */
uint32_t fat_num; /* request value: number of FATs on disk */
uint32_t files_per_root_dir; /* request value: file entries in root */
uint8_t fattype; /* request value: MSDOS_FMT_FAT12/16/32 */
uint8_t media; /* media code. default: 0xF8 */
boolean quick_format; /* TRUE: do not clear out data sectors */
uint32_t cluster_align; /* requested value: cluster alignment */
/* make sector number of first sector */
/* of first cluster divisible by this */
/* value. This can optimize clusters */
/* to be located at start of track */
/* or start of flash block */
} msdos_format_request_param_t;
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int msdos_format
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| format device with msdos filesystem |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
const char *devname, /* device name */
const msdos_format_request_param_t *rqdata /* requested fmt parameters */
/* set to NULL for automatic */
/* determination */
);
/*-------------------------------------------------------------------------*\
| Return Value: |
| 0, if success, -1 and errno if failed |
\*=========================================================================*/
#ifdef __cplusplus
}
#endif
#endif /* __DOSFS_DOSFS_H__ */
|
