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74 lines
2.5 KiB
74 lines
2.5 KiB
/* |
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* Derived from (and probably identical to): |
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* ftl.h 1.7 1999/10/25 20:23:17 |
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* |
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* The contents of this file are subject to the Mozilla Public License |
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* Version 1.1 (the "License"); you may not use this file except in |
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* compliance with the License. You may obtain a copy of the License |
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* at http://www.mozilla.org/MPL/ |
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* |
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* Software distributed under the License is distributed on an "AS IS" |
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See |
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* the License for the specific language governing rights and |
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* limitations under the License. |
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* |
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* The initial developer of the original code is David A. Hinds |
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* <[email protected]>. Portions created by David A. Hinds |
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* are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
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* |
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* Alternatively, the contents of this file may be used under the |
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* terms of the GNU General Public License version 2 (the "GPL"), in |
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* which case the provisions of the GPL are applicable instead of the |
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* above. If you wish to allow the use of your version of this file |
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* only under the terms of the GPL and not to allow others to use |
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* your version of this file under the MPL, indicate your decision by |
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* deleting the provisions above and replace them with the notice and |
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* other provisions required by the GPL. If you do not delete the |
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* provisions above, a recipient may use your version of this file |
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* under either the MPL or the GPL. |
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*/ |
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#ifndef _LINUX_FTL_H |
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#define _LINUX_FTL_H |
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typedef struct erase_unit_header_t { |
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uint8_t LinkTargetTuple[5]; |
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uint8_t DataOrgTuple[10]; |
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uint8_t NumTransferUnits; |
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uint32_t EraseCount; |
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uint16_t LogicalEUN; |
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uint8_t BlockSize; |
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uint8_t EraseUnitSize; |
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uint16_t FirstPhysicalEUN; |
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uint16_t NumEraseUnits; |
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uint32_t FormattedSize; |
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uint32_t FirstVMAddress; |
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uint16_t NumVMPages; |
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uint8_t Flags; |
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uint8_t Code; |
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uint32_t SerialNumber; |
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uint32_t AltEUHOffset; |
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uint32_t BAMOffset; |
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uint8_t Reserved[12]; |
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uint8_t EndTuple[2]; |
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} erase_unit_header_t; |
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/* Flags in erase_unit_header_t */ |
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#define HIDDEN_AREA 0x01 |
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#define REVERSE_POLARITY 0x02 |
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#define DOUBLE_BAI 0x04 |
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/* Definitions for block allocation information */ |
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#define BLOCK_FREE(b) ((b) == 0xffffffff) |
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#define BLOCK_DELETED(b) (((b) == 0) || ((b) == 0xfffffffe)) |
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#define BLOCK_TYPE(b) ((b) & 0x7f) |
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#define BLOCK_ADDRESS(b) ((b) & ~0x7f) |
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#define BLOCK_NUMBER(b) ((b) >> 9) |
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#define BLOCK_CONTROL 0x30 |
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#define BLOCK_DATA 0x40 |
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#define BLOCK_REPLACEMENT 0x60 |
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#define BLOCK_BAD 0x70 |
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#endif /* _LINUX_FTL_H */
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