| /* |
| * 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 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_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 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 */ |