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70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
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// partition.h
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#ifndef _PARTSCAN_PARTITION_H
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#define _PARTSCAN_PARTITION_H
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#include <module.h>
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struct extended_partition_info;
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typedef bool (*partition_identify_hook)(int deviceFD, off_t sessionOffset,
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off_t sessionSize, const uchar *block, int32 blockSize);
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typedef status_t (*partition_get_nth_info_hook)(int deviceFD,
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off_t sessionOffset, off_t sessionSize, const uchar *block,
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int32 blockSize, int32 index,
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struct extended_partition_info *partitionInfo);
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typedef struct partition_module_info {
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module_info module;
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partition_identify_hook identify;
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partition_get_nth_info_hook get_nth_info;
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} partition_module_info;
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/*
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identify():
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----------
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Checks whether the partition map of the given session can be recognized
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by the module. Returns true, if it can, false otherwise.
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params:
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deviceFD: a device FD
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sessionOffset: start of the session in bytes from the beginning of the
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device
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sessionSize: size of the session in bytes
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block: the first block of the session
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blockSize: the logical block size
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get_nth_info():
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--------------
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Fills in the following fields of partitionInfo with information about
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the indexth partition on the specified session:
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* offset
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* size
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* flags
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* partition_name
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* partition_type
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* partition_code
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params:
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deviceFD: a device FD
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sessionOffset: start of the session in bytes from the beginning of the
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device
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sessionSize: size of the session in bytes
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block: the first block of the session
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blockSize: the logical block size
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index: the partition index
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partitionInfo: the partition info
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The functions is only called, when a call to identify() returned
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true.
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Returns B_OK, if successful, B_ENTRY_NOT_FOUND, if the index is out of
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range.
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*/
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#endif _PARTSCAN_PARTITION_H
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