The TAPE_GET_DRIVE_PARAMETERS structure describes the tape drive.
typedef struct _TAPE_GET_DRIVE_PARAMETERS { // tgdp BOOLEAN ECC; BOOLEAN Compression; BOOLEAN DataPadding; BOOLEAN ReportSetmarks; ULONG DefaultBlockSize; ULONG MaximumBlockSize; ULONG MinimumBlockSize; ULONG MaximumPartitionCount; ULONG FeaturesLow; ULONG FeaturesHigh; ULONG EOTWarningZoneSize; } TAPE_GET_DRIVE_PARAMETERS;
Value |
Meaning |
TAPE_DRIVE_COMPRESSION |
The device supports hardware data compression. |
TAPE_DRIVE_ECC |
The device supports hardware error correction. |
TAPE_DRIVE_EJECT_MEDIA |
The device physically ejects the tape on a software eject. |
TAPE_DRIVE_ERASE_BOP_ONLY |
The device performs the erase operation from the beginning-of-partition marker only. |
TAPE_DRIVE_ERASE_LONG |
The device performs a long erase operation. |
TAPE_DRIVE_ERASE_IMMEDIATE |
The device performs an immediate erase operation ¾ that is, it returns when the erase operation begins. |
TAPE_DRIVE_ERASE_SHORT |
The device performs a short erase operation. |
TAPE_DRIVE_FIXED |
The device creates fixed data partitions. |
TAPE_DRIVE_FIXED_BLOCK |
The device supports fixed-length block mode. |
TAPE_DRIVE_INITIATOR |
The device creates initiator-defined partitions. |
TAPE_DRIVE_PADDING |
The device supports data padding. |
TAPE_DRIVE_GET_ABSOLUTE_BLK |
The device provides the current device-specific block address. |
TAPE_DRIVE_GET_LOGICAL_BLK |
The device provides the current logical block address (and logical tape partition). |
TAPE_DRIVE_REPORT_SMKS |
The device supports setmark reporting. |
TAPE_DRIVE_SELECT |
The device creates select data partitions. |
TAPE_DRIVE_SET_EOT_WZ_SIZE |
The device supports setting the end-of-medium warning size. |
TAPE_DRIVE_TAPE_CAPACITY |
The device returns the maximum capacity of the tape. |
TAPE_DRIVE_TAPE_REMAINING |
The device returns the remaining capacity of the tape. |
TAPE_DRIVE_VARIABLE_BLOCK |
The device supports variable-length block mode. |
TAPE_DRIVE_WRITE_PROTECT |
The device returns an error if the tape is write-enabled or write-protected. |
Value |
Meaning |
TAPE_DRIVE_ABS_BLK_IMMED |
The device moves the tape to a device-specific block address and returns as soon as the move begins. |
TAPE_DRIVE_ABSOLUTE_BLK |
The device moves the tape to a device specific block address. |
TAPE_DRIVE_END_OF_DATA |
The device moves the tape to the end-of-data marker in a partition. |
TAPE_DRIVE_FILEMARKS |
The device moves the tape forward (or backward) a specified number of filemarks. |
TAPE_DRIVE_LOAD_UNLOAD |
The device enables and disables the device for further operations. |
TAPE_DRIVE_LOAD_UNLD_IMMED |
The device supports immediate load and unload operations. |
TAPE_DRIVE_LOCK_UNLOCK |
The device enables and disables the tape ejection mechanism. |
TAPE_DRIVE_LOCK_UNLK_IMMED |
The device supports immediate lock and unlock operations. |
TAPE_DRIVE_LOG_BLK_IMMED |
The device moves the tape to a logical block address in a partition and returns as soon as the move begins. |
TAPE_DRIVE_LOGICAL_BLK |
The device moves the tape to a logical block address in a partition. |
TAPE_DRIVE_RELATIVE_BLKS |
The device moves the tape forward (or backward) a specified number of blocks. |
TAPE_DRIVE_REVERSE_POSITION |
The device moves the tape backward over blocks, filemarks, or setmarks. |
TAPE_DRIVE_REWIND_IMMEDIATE |
The device supports immediate rewind operation. |
TAPE_DRIVE_SEQUENTIAL_FMKS |
The device moves the tape forward (or backward) to the first occurrence of a specified number of consecutive filemarks. |
TAPE_DRIVE_SEQUENTIAL_SMKS |
The device moves the tape forward (or backward) to the first occurrence of a specified number of consecutive setmarks. |
TAPE_DRIVE_SET_BLOCK_SIZE |
The device supports setting the size of a fixed-length logical block or setting the variable-length block mode. |
TAPE_DRIVE_SET_COMPRESSION |
The device enables and disables hardware data compression. |
TAPE_DRIVE_SET_ECC |
The device enables and disables hardware error correction. |
TAPE_DRIVE_SET_PADDING |
The device enables and disables data padding. |
TAPE_DRIVE_SET_REPORT_SMKS |
The device enables and disables the reporting of setmarks. |
TAPE_DRIVE_SETMARKS |
The device moves the tape forward (or reverse) a specified number of setmarks. |
TAPE_DRIVE_SPACE_IMMEDIATE |
The device supports immediate spacing. |
TAPE_DRIVE_TENSION |
The device supports tape tensioning. |
TAPE_DRIVE_TENSION_IMMED |
The device supports immediate tape tensioning. |
TAPE_DRIVE_WRITE_FILEMARKS |
The device writes filemarks. |
TAPE_DRIVE_WRITE_LONG_FMKS |
The device writes long filemarks. |
TAPE_DRIVE_WRITE_MARK_IMMED |
The device supports immediate writing of short and long filemarks. |
TAPE_DRIVE_WRITE_SETMARKS |
The device writes setmarks. |
TAPE_DRIVE_WRITE_SHORT_FMKS |
The device writes short filemarks. |
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