| /* |
| * $Id: ftl.h,v 1.7 2005/11/07 11:14:54 gleixner 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 __MTD_FTL_USER_H__ |
| #define __MTD_FTL_USER_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 /* __MTD_FTL_USER_H__ */ |