82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
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/* Disk device iteration and information
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**
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** Distributed under the terms of the OpenBeOS License.
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*/
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#ifndef _FS_DEVICE_H
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#define _FS_DEVICE_H
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#include <Drivers.h>
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#include <OS.h>
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#include <SupportDefs.h>
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// session flags
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enum {
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B_DATA_SESSION = 0x01, /* data session */
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B_VIRTUAL_SESSION = 0x02, /* e.g. hard disk */
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};
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typedef struct session_info {
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off_t offset; /* offset from start of device (in bytes) */
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off_t size; /* size (in bytes) */
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int32 logical_block_size; /* logical block size (in bytes) */
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int32 index; /* session index */
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uint32 flags; /* session flags */
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} session_info;
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// partition flags
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enum {
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B_HIDDEN_PARTITION = 0x01, /* non-file system partition */
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B_VIRTUAL_PARTITION = 0x02, /* e.g. floppy */
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B_EMPTY_PARTITION = 0x04, /* empty partition, implies
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B_HIDDEN_PARTITION */
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};
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typedef struct extended_partition_info {
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partition_info info;
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uint32 flags; /* partition flags */
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char partition_name[B_FILE_NAME_LENGTH];
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char partition_type[B_FILE_NAME_LENGTH];
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char file_system_short_name[B_FILE_NAME_LENGTH]; /* "", if hidden */
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char file_system_long_name[B_FILE_NAME_LENGTH]; /* or unknown FS */
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char volume_name[B_FILE_NAME_LENGTH]; /* "", if hidden */
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uint32 file_system_flags; /* same as fs_info::flags */
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} extended_partition_info;
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#ifdef __cplusplus
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extern "C" {
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#endif
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// getting infos
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status_t get_nth_session_info(int deviceFD, int32 index,
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session_info *sessionInfo);
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status_t get_nth_partition_info(int deviceFD, int32 sessionIndex,
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int32 partitionIndex,
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extended_partition_info *partitionInfo,
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char *partitionMapName);
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// partitioning
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status_t get_partitioning_parameters(int deviceFD, int32 sessionIndex,
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const char *identifier, char *buffer,
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size_t bufferSize, size_t *actualSize);
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status_t partition_session(int deviceFD, int32 sessionIndex,
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const char *identifier, const char *parameters);
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// initialization
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status_t get_fs_initialization_parameters(int deviceFD, int32 sessionIndex,
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int32 partitionIndex,
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const char *fileSystem, char *buffer,
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size_t bufferSize,
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size_t *actualSize);
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// TODO: Move to <unistd.h>. It fits better there.
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status_t initialize_volume(const char *where, const char *fileSystem,
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const char *volumeName, const char *parameters);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FS_DEVICE_H */
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