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1/*2 * Derived from (and probably identical to):3 * ftl.h 1.7 1999/10/25 20:23:174 *5 * The contents of this file are subject to the Mozilla Public License6 * Version 1.1 (the "License"); you may not use this file except in7 * compliance with the License. You may obtain a copy of the License8 * at http://www.mozilla.org/MPL/9 *10 * Software distributed under the License is distributed on an "AS IS"11 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See12 * the License for the specific language governing rights and13 * limitations under the License.14 *15 * The initial developer of the original code is David A. Hinds16 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds17 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.18 *19 * Alternatively, the contents of this file may be used under the20 * terms of the GNU General Public License version 2 (the "GPL"), in21 * which case the provisions of the GPL are applicable instead of the22 * above. If you wish to allow the use of your version of this file23 * only under the terms of the GPL and not to allow others to use24 * your version of this file under the MPL, indicate your decision by25 * deleting the provisions above and replace them with the notice and26 * other provisions required by the GPL. If you do not delete the27 * provisions above, a recipient may use your version of this file28 * under either the MPL or the GPL.29 */30 31#ifndef _LINUX_FTL_H32#define _LINUX_FTL_H33 34typedef struct erase_unit_header_t {35 uint8_t LinkTargetTuple[5];36 uint8_t DataOrgTuple[10];37 uint8_t NumTransferUnits;38 uint32_t EraseCount;39 uint16_t LogicalEUN;40 uint8_t BlockSize;41 uint8_t EraseUnitSize;42 uint16_t FirstPhysicalEUN;43 uint16_t NumEraseUnits;44 uint32_t FormattedSize;45 uint32_t FirstVMAddress;46 uint16_t NumVMPages;47 uint8_t Flags;48 uint8_t Code;49 uint32_t SerialNumber;50 uint32_t AltEUHOffset;51 uint32_t BAMOffset;52 uint8_t Reserved[12];53 uint8_t EndTuple[2];54} erase_unit_header_t;55 56/* Flags in erase_unit_header_t */57#define HIDDEN_AREA 0x0158#define REVERSE_POLARITY 0x0259#define DOUBLE_BAI 0x0460 61/* Definitions for block allocation information */62 63#define BLOCK_FREE(b) ((b) == 0xffffffff)64#define BLOCK_DELETED(b) (((b) == 0) || ((b) == 0xfffffffe))65 66#define BLOCK_TYPE(b) ((b) & 0x7f)67#define BLOCK_ADDRESS(b) ((b) & ~0x7f)68#define BLOCK_NUMBER(b) ((b) >> 9)69#define BLOCK_CONTROL 0x3070#define BLOCK_DATA 0x4071#define BLOCK_REPLACEMENT 0x6072#define BLOCK_BAD 0x7073 74#endif /* _LINUX_FTL_H */75