1 | /* |
2 | * Derived from (and probably identical to): |
3 | * ftl.h 1.7 1999/10/25 20:23:17 |
4 | * |
5 | * The contents of this file are subject to the Mozilla Public License |
6 | * Version 1.1 (the "License"); you may not use this file except in |
7 | * compliance with the License. You may obtain a copy of the License |
8 | * 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. See |
12 | * the License for the specific language governing rights and |
13 | * limitations under the License. |
14 | * |
15 | * The initial developer of the original code is David A. Hinds |
16 | * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
17 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
18 | * |
19 | * Alternatively, the contents of this file may be used under the |
20 | * terms of the GNU General Public License version 2 (the "GPL"), in |
21 | * which case the provisions of the GPL are applicable instead of the |
22 | * above. If you wish to allow the use of your version of this file |
23 | * only under the terms of the GPL and not to allow others to use |
24 | * your version of this file under the MPL, indicate your decision by |
25 | * deleting the provisions above and replace them with the notice and |
26 | * other provisions required by the GPL. If you do not delete the |
27 | * provisions above, a recipient may use your version of this file |
28 | * under either the MPL or the GPL. |
29 | */ |
30 | |
31 | #ifndef _LINUX_FTL_H |
32 | #define _LINUX_FTL_H |
33 | |
34 | typedef struct { |
35 | uint8_t [5]; |
36 | uint8_t [10]; |
37 | uint8_t ; |
38 | uint32_t ; |
39 | uint16_t ; |
40 | uint8_t ; |
41 | uint8_t ; |
42 | uint16_t ; |
43 | uint16_t ; |
44 | uint32_t ; |
45 | uint32_t ; |
46 | uint16_t ; |
47 | uint8_t ; |
48 | uint8_t ; |
49 | uint32_t ; |
50 | uint32_t ; |
51 | uint32_t ; |
52 | uint8_t [12]; |
53 | uint8_t [2]; |
54 | } ; |
55 | |
56 | /* Flags in erase_unit_header_t */ |
57 | #define HIDDEN_AREA 0x01 |
58 | #define REVERSE_POLARITY 0x02 |
59 | #define DOUBLE_BAI 0x04 |
60 | |
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 0x30 |
70 | #define BLOCK_DATA 0x40 |
71 | #define BLOCK_REPLACEMENT 0x60 |
72 | #define BLOCK_BAD 0x70 |
73 | |
74 | #endif /* _LINUX_FTL_H */ |
75 | |