[f36a7bfc] | 1 | /* |
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| 2 | * dosfs.h |
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| 3 | * |
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| 4 | * Application interface to MSDOS filesystem. |
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| 5 | * |
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| 6 | * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia |
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| 7 | * Author: Eugeny S. Mints <Eugeny.Mints@oktet.ru> |
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| 8 | * |
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| 9 | * The license and distribution terms for this file may be |
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| 10 | * found in the file LICENSE in this distribution or at |
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[cf0539b1] | 11 | * http://www.rtems.com/license/LICENSE. |
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[f36a7bfc] | 12 | * |
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| 13 | * @(#) $Id$ |
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| 14 | */ |
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[c36f885a] | 15 | |
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[f36a7bfc] | 16 | #ifndef __DOSFS_DOSFS_H__ |
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| 17 | #define __DOSFS_DOSFS_H__ |
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| 18 | |
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| 19 | #ifdef __cplusplus |
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| 20 | extern "C" { |
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| 21 | #endif |
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| 22 | |
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| 23 | #include <rtems.h> |
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| 24 | #include <rtems/libio.h> |
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| 25 | |
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| 26 | extern rtems_filesystem_operations_table msdos_ops; |
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| 27 | |
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[c36f885a] | 28 | #define MSDOS_FMT_FATANY 0 |
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| 29 | #define MSDOS_FMT_FAT12 1 |
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| 30 | #define MSDOS_FMT_FAT16 2 |
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| 31 | #define MSDOS_FMT_FAT32 3 |
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| 32 | |
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| 33 | /* |
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| 34 | * data to be filled out for formatter: parameters for format call |
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| 35 | * any parameter set to 0 or NULL will be automatically detected/computed |
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| 36 | */ |
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| 37 | typedef struct { |
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| 38 | const char *OEMName; /* OEM Name string or NULL */ |
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| 39 | const char *VolLabel; /* Volume Label string or NULL */ |
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| 40 | uint32_t sectors_per_cluster; /* request value: sectors per cluster */ |
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| 41 | uint32_t fat_num; /* request value: number of FATs on disk */ |
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| 42 | uint32_t files_per_root_dir; /* request value: file entries in root */ |
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| 43 | uint8_t fattype; /* request value: MSDOS_FMT_FAT12/16/32 */ |
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| 44 | uint8_t media; /* media code. default: 0xF8 */ |
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| 45 | boolean quick_format; /* TRUE: do not clear out data sectors */ |
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| 46 | uint32_t cluster_align; /* requested value: cluster alignment */ |
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| 47 | /* make sector number of first sector */ |
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| 48 | /* of first cluster divisible by this */ |
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| 49 | /* value. This can optimize clusters */ |
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| 50 | /* to be located at start of track */ |
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| 51 | /* or start of flash block */ |
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| 52 | } msdos_format_request_param_t; |
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| 53 | |
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| 54 | /*=========================================================================*\ |
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| 55 | | Function: | |
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| 56 | \*-------------------------------------------------------------------------*/ |
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| 57 | int msdos_format |
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| 58 | ( |
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| 59 | /*-------------------------------------------------------------------------*\ |
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| 60 | | Purpose: | |
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| 61 | | format device with msdos filesystem | |
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| 62 | +---------------------------------------------------------------------------+ |
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| 63 | | Input Parameters: | |
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| 64 | \*-------------------------------------------------------------------------*/ |
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| 65 | const char *devname, /* device name */ |
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| 66 | const msdos_format_request_param_t *rqdata /* requested fmt parameters */ |
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| 67 | /* set to NULL for automatic */ |
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| 68 | /* determination */ |
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| 69 | ); |
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| 70 | /*-------------------------------------------------------------------------*\ |
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| 71 | | Return Value: | |
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| 72 | | 0, if success, -1 and errno if failed | |
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| 73 | \*=========================================================================*/ |
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| 74 | |
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[f36a7bfc] | 75 | #ifdef __cplusplus |
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| 76 | } |
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| 77 | #endif |
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| 78 | |
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| 79 | #endif /* __DOSFS_DOSFS_H__ */ |
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