forked from Imagelibrary/rtems
dosfs: Documentation
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committed by
Sebastian Huber
parent
a0bc1dcbe8
commit
697cf9dfc7
@@ -26,49 +26,96 @@ extern "C" {
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int rtems_dosfs_initialize(rtems_filesystem_mount_table_entry_t *mt_entry,
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int rtems_dosfs_initialize(rtems_filesystem_mount_table_entry_t *mt_entry,
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const void *data);
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const void *data);
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/**
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* @defgroup rtems_msdos_format DOSFS Support
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*
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* @ingroup FileSystemTypesAndMount
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*
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* @{
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*/
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#define MSDOS_FMT_INFO_LEVEL_NONE (0)
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#define MSDOS_FMT_INFO_LEVEL_NONE (0)
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#define MSDOS_FMT_INFO_LEVEL_INFO (1)
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#define MSDOS_FMT_INFO_LEVEL_INFO (1)
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#define MSDOS_FMT_INFO_LEVEL_DETAIL (2)
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#define MSDOS_FMT_INFO_LEVEL_DETAIL (2)
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#define MSDOS_FMT_INFO_LEVEL_DEBUG (3)
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#define MSDOS_FMT_INFO_LEVEL_DEBUG (3)
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/*
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/**
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* data to be filled out for formatter: parameters for format call
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* @brief FAT file system format request parameters.
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* any parameter set to 0 or NULL will be automatically detected/computed
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*/
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*/
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typedef struct {
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typedef struct {
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const char *OEMName; /* OEM Name string or NULL */
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/**
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const char *VolLabel; /* Volume Label string or NULL */
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* @brief OEM name string or NULL.
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uint32_t sectors_per_cluster; /* request value: sectors per cluster */
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*/
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uint32_t fat_num; /* request value: number of FATs on disk */
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const char *OEMName;
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uint32_t files_per_root_dir; /* request value: file entries in root */
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uint8_t media; /* media code. default: 0xF8 */
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/**
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bool quick_format; /* true: do not clear out data sectors */
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* @brief Volume label string or NULL.
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bool skip_alignment; /* do not align FAT, data cluster, and */
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*/
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/* root directory for FAT12 and FAT16 to */
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const char *VolLabel;
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/* a cluster boundary */
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int info_level; /* The amount of info to output */
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/**
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* @brief Sectors per cluster hint.
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*
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* The format procedure may choose another value. Use 0 as default value.
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*/
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uint32_t sectors_per_cluster;
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/**
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* @brief Number of FATs hint.
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*
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* Use 0 as default value.
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*/
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uint32_t fat_num;
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/**
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* @brief Minimum files in root directory for FAT12 and FAT16.
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*
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* The format procedure may choose a greater value. Use 0 as default value.
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*/
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uint32_t files_per_root_dir;
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/**
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* @brief Media code.
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*
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* Use 0 as default value. The default media code is 0xf8.
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*/
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uint8_t media;
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/**
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* @brief Quick format.
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*
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* If set to true, then do not clear data sectors to zero.
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*/
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bool quick_format;
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/**
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* @brief Do not align FAT, data cluster, and root directory to a cluster
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* boundary.
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*/
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bool skip_alignment;
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/**
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* @brief The amount of info to output.
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*/
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int info_level;
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} msdos_format_request_param_t;
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} msdos_format_request_param_t;
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/*=========================================================================*\
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/**
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| Function: |
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* @brief Formats a block device with a FAT file system.
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\*-------------------------------------------------------------------------*/
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*
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int msdos_format
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* @param[in] devname The block device path.
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(
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* @param[in] rqdata The FAT file system format request data. Use NULL for
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/*-------------------------------------------------------------------------*\
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* default parameters.
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| Purpose: |
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*
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| format device with msdos filesystem |
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* @retval 0 Successful operation.
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+---------------------------------------------------------------------------+
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* @retval -1 An error occurred. The @c errno indicates the error.
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| Input Parameters: |
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*/
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\*-------------------------------------------------------------------------*/
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int msdos_format (
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const char *devname, /* device name */
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const char *devname,
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const msdos_format_request_param_t *rqdata /* requested fmt parameters */
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const msdos_format_request_param_t *rqdata
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/* set to NULL for automatic */
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);
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/* determination */
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);
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/** @} */
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/*-------------------------------------------------------------------------*\
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| Return Value: |
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| 0, if success, -1 and errno if failed |
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\*=========================================================================*/
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#ifdef __cplusplus
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#ifdef __cplusplus
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}
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}
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