77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
|
/*
|
||
|
|
* $Id: ftl.h,v 1.6 2003/01/24 13:20:04 dwmw2 Exp $
|
||
|
|
*
|
||
|
|
* Derived from (and probably identical to):
|
||
|
|
* ftl.h 1.7 1999/10/25 20:23:17
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the Mozilla Public License
|
||
|
|
* Version 1.1 (the "License"); you may not use this file except in
|
||
|
|
* compliance with the License. You may obtain a copy of the License
|
||
|
|
* at http://www.mozilla.org/MPL/
|
||
|
|
*
|
||
|
|
* Software distributed under the License is distributed on an "AS IS"
|
||
|
|
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
|
||
|
|
* the License for the specific language governing rights and
|
||
|
|
* limitations under the License.
|
||
|
|
*
|
||
|
|
* The initial developer of the original code is David A. Hinds
|
||
|
|
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
|
||
|
|
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Alternatively, the contents of this file may be used under the
|
||
|
|
* terms of the GNU General Public License version 2 (the "GPL"), in
|
||
|
|
* which case the provisions of the GPL are applicable instead of the
|
||
|
|
* above. If you wish to allow the use of your version of this file
|
||
|
|
* only under the terms of the GPL and not to allow others to use
|
||
|
|
* your version of this file under the MPL, indicate your decision by
|
||
|
|
* deleting the provisions above and replace them with the notice and
|
||
|
|
* other provisions required by the GPL. If you do not delete the
|
||
|
|
* provisions above, a recipient may use your version of this file
|
||
|
|
* under either the MPL or the GPL.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _LINUX_FTL_H
|
||
|
|
#define _LINUX_FTL_H
|
||
|
|
|
||
|
|
typedef struct erase_unit_header_t {
|
||
|
|
u_int8_t LinkTargetTuple[5];
|
||
|
|
u_int8_t DataOrgTuple[10];
|
||
|
|
u_int8_t NumTransferUnits;
|
||
|
|
u_int32_t EraseCount;
|
||
|
|
u_int16_t LogicalEUN;
|
||
|
|
u_int8_t BlockSize;
|
||
|
|
u_int8_t EraseUnitSize;
|
||
|
|
u_int16_t FirstPhysicalEUN;
|
||
|
|
u_int16_t NumEraseUnits;
|
||
|
|
u_int32_t FormattedSize;
|
||
|
|
u_int32_t FirstVMAddress;
|
||
|
|
u_int16_t NumVMPages;
|
||
|
|
u_int8_t Flags;
|
||
|
|
u_int8_t Code;
|
||
|
|
u_int32_t SerialNumber;
|
||
|
|
u_int32_t AltEUHOffset;
|
||
|
|
u_int32_t BAMOffset;
|
||
|
|
u_int8_t Reserved[12];
|
||
|
|
u_int8_t EndTuple[2];
|
||
|
|
} erase_unit_header_t;
|
||
|
|
|
||
|
|
/* Flags in erase_unit_header_t */
|
||
|
|
#define HIDDEN_AREA 0x01
|
||
|
|
#define REVERSE_POLARITY 0x02
|
||
|
|
#define DOUBLE_BAI 0x04
|
||
|
|
|
||
|
|
/* Definitions for block allocation information */
|
||
|
|
|
||
|
|
#define BLOCK_FREE(b) ((b) == 0xffffffff)
|
||
|
|
#define BLOCK_DELETED(b) (((b) == 0) || ((b) == 0xfffffffe))
|
||
|
|
|
||
|
|
#define BLOCK_TYPE(b) ((b) & 0x7f)
|
||
|
|
#define BLOCK_ADDRESS(b) ((b) & ~0x7f)
|
||
|
|
#define BLOCK_NUMBER(b) ((b) >> 9)
|
||
|
|
#define BLOCK_CONTROL 0x30
|
||
|
|
#define BLOCK_DATA 0x40
|
||
|
|
#define BLOCK_REPLACEMENT 0x60
|
||
|
|
#define BLOCK_BAD 0x70
|
||
|
|
|
||
|
|
#endif /* _LINUX_FTL_H */
|