blob: 62a8071f2f7f2a99dee98c4f082715b4782878fd [file] [log] [blame]
* ftl.h 1.8 2000/06/12 21:55:40
* 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
* 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
* <>. 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_char LinkTargetTuple[5];
u_char DataOrgTuple[10];
u_char NumTransferUnits;
u_int EraseCount;
u_short LogicalEUN;
u_char BlockSize;
u_char EraseUnitSize;
u_short FirstPhysicalEUN;
u_short NumEraseUnits;
u_int FormattedSize;
u_int FirstVMAddress;
u_short NumVMPages;
u_char Flags;
u_char Code;
u_int SerialNumber;
u_int AltEUHOffset;
u_int BAMOffset;
u_char Reserved[12];
u_char EndTuple[2];
} erase_unit_header_t;
/* Flags in erase_unit_header_t */
#define HIDDEN_AREA 0x01
#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_BAD 0x70
#endif /* _LINUX_FTL_H */