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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.
*/
#ifndef _RTEMS_DOSFS_H
#define _RTEMS_DOSFS_H
#include <rtems.h>
#include <rtems/libio.h>
#ifdef __cplusplus
extern "C" {
#endif
int rtems_dosfs_initialize(rtems_filesystem_mount_table_entry_t *mt_entry,
const void *data);
/**
* @defgroup rtems_msdos_format DOSFS Support
*
* @ingroup FileSystemTypesAndMount
*
* @{
*/
#define MSDOS_FMT_INFO_LEVEL_NONE (0)
#define MSDOS_FMT_INFO_LEVEL_INFO (1)
#define MSDOS_FMT_INFO_LEVEL_DETAIL (2)
#define MSDOS_FMT_INFO_LEVEL_DEBUG (3)
/**
* @brief FAT file system format request parameters.
*/
typedef struct {
/**
* @brief OEM name string or NULL.
*/
const char *OEMName;
/**
* @brief Volume label string or NULL.
*/
const char *VolLabel;
/**
* @brief Sectors per cluster hint.
*
* The format procedure may choose another value. Use 0 as default value.
*/
uint32_t sectors_per_cluster;
/**
* @brief Number of FATs hint.
*
* Use 0 as default value.
*/
uint32_t fat_num;
/**
* @brief Minimum files in root directory for FAT12 and FAT16.
*
* The format procedure may choose a greater value. Use 0 as default value.
*/
uint32_t files_per_root_dir;
/**
* @brief Media code.
*
* Use 0 as default value. The default media code is 0xf8.
*/
uint8_t media;
/**
* @brief Quick format.
*
* If set to true, then do not clear data sectors to zero.
*/
bool quick_format;
/**
* @brief Do not align FAT, data cluster, and root directory to a cluster
* boundary.
*/
bool skip_alignment;
/**
* @brief The amount of info to output.
*/
int info_level;
} msdos_format_request_param_t;
/**
* @brief Formats a block device with a FAT file system.
*
* @param[in] devname The block device path.
* @param[in] rqdata The FAT file system format request data. Use NULL for
* default parameters.
*
* @retval 0 Successful operation.
* @retval -1 An error occurred. The @c errno indicates the error.
*/
int msdos_format (
const char *devname,
const msdos_format_request_param_t *rqdata
);
/** @} */
#ifdef __cplusplus
}
#endif
#endif
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