xref: /aosp_15_r20/system/extras/f2fs_utils/f2fs_sparseblock.h (revision 288bf5226967eb3dac5cce6c939ccc2a7f2b4fe5)
1*288bf522SAndroid Build Coastguard Worker /*
2*288bf522SAndroid Build Coastguard Worker  * Copyright (C) 2014 The Android Open Source Project
3*288bf522SAndroid Build Coastguard Worker  *
4*288bf522SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*288bf522SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*288bf522SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*288bf522SAndroid Build Coastguard Worker  *
8*288bf522SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*288bf522SAndroid Build Coastguard Worker  *
10*288bf522SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*288bf522SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*288bf522SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*288bf522SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*288bf522SAndroid Build Coastguard Worker  * limitations under the License.
15*288bf522SAndroid Build Coastguard Worker  */
16*288bf522SAndroid Build Coastguard Worker 
17*288bf522SAndroid Build Coastguard Worker #ifndef F2FS_UTILS_F2F2_UTILS_H_
18*288bf522SAndroid Build Coastguard Worker #define F2FS_UTILS_F2F2_UTILS_H_
19*288bf522SAndroid Build Coastguard Worker 
20*288bf522SAndroid Build Coastguard Worker #include <stdint.h>
21*288bf522SAndroid Build Coastguard Worker 
22*288bf522SAndroid Build Coastguard Worker #ifdef __cplusplus
23*288bf522SAndroid Build Coastguard Worker extern "C" {
24*288bf522SAndroid Build Coastguard Worker #endif
25*288bf522SAndroid Build Coastguard Worker 
26*288bf522SAndroid Build Coastguard Worker #define ver_after(a, b)                                                      \
27*288bf522SAndroid Build Coastguard Worker     (typecheck(unsigned long long, a) && typecheck(unsigned long long, b) && \
28*288bf522SAndroid Build Coastguard Worker      ((long long)((a) - (b)) > 0))
29*288bf522SAndroid Build Coastguard Worker 
30*288bf522SAndroid Build Coastguard Worker #define ver_equal(a, b)                                                      \
31*288bf522SAndroid Build Coastguard Worker     (typecheck(unsigned long long, a) && typecheck(unsigned long long, b) && \
32*288bf522SAndroid Build Coastguard Worker      ((long long)((a) - (b)) == 0))
33*288bf522SAndroid Build Coastguard Worker 
34*288bf522SAndroid Build Coastguard Worker struct f2fs_sit_block;
35*288bf522SAndroid Build Coastguard Worker struct f2fs_summary_block;
36*288bf522SAndroid Build Coastguard Worker 
37*288bf522SAndroid Build Coastguard Worker struct f2fs_info {
38*288bf522SAndroid Build Coastguard Worker     uint64_t blocks_per_segment;
39*288bf522SAndroid Build Coastguard Worker     uint32_t block_size;
40*288bf522SAndroid Build Coastguard Worker 
41*288bf522SAndroid Build Coastguard Worker     char* sit_bmp;
42*288bf522SAndroid Build Coastguard Worker     uint32_t sit_bmp_size;
43*288bf522SAndroid Build Coastguard Worker     uint64_t blocks_per_sit;
44*288bf522SAndroid Build Coastguard Worker     struct f2fs_sit_block* sit_blocks;
45*288bf522SAndroid Build Coastguard Worker     struct f2fs_summary_block* sit_sums;
46*288bf522SAndroid Build Coastguard Worker 
47*288bf522SAndroid Build Coastguard Worker     uint64_t cp_blkaddr;
48*288bf522SAndroid Build Coastguard Worker     uint64_t cp_valid_cp_blkaddr;
49*288bf522SAndroid Build Coastguard Worker 
50*288bf522SAndroid Build Coastguard Worker     uint64_t sit_blkaddr;
51*288bf522SAndroid Build Coastguard Worker 
52*288bf522SAndroid Build Coastguard Worker     uint64_t nat_blkaddr;
53*288bf522SAndroid Build Coastguard Worker 
54*288bf522SAndroid Build Coastguard Worker     uint64_t ssa_blkaddr;
55*288bf522SAndroid Build Coastguard Worker 
56*288bf522SAndroid Build Coastguard Worker     uint64_t main_blkaddr;
57*288bf522SAndroid Build Coastguard Worker 
58*288bf522SAndroid Build Coastguard Worker     uint64_t total_user_used;
59*288bf522SAndroid Build Coastguard Worker     uint64_t total_blocks;
60*288bf522SAndroid Build Coastguard Worker };
61*288bf522SAndroid Build Coastguard Worker 
62*288bf522SAndroid Build Coastguard Worker uint64_t get_num_blocks_used(struct f2fs_info* info);
63*288bf522SAndroid Build Coastguard Worker struct f2fs_info* generate_f2fs_info(int fd);
64*288bf522SAndroid Build Coastguard Worker void free_f2fs_info(struct f2fs_info* info);
65*288bf522SAndroid Build Coastguard Worker unsigned int get_f2fs_filesystem_size_sec(char* dev);
66*288bf522SAndroid Build Coastguard Worker int run_on_used_blocks(uint64_t startblock, struct f2fs_info* info,
67*288bf522SAndroid Build Coastguard Worker                        int (*func)(uint64_t pos, void* data), void* data);
68*288bf522SAndroid Build Coastguard Worker 
69*288bf522SAndroid Build Coastguard Worker #ifdef __cplusplus
70*288bf522SAndroid Build Coastguard Worker }
71*288bf522SAndroid Build Coastguard Worker #endif
72*288bf522SAndroid Build Coastguard Worker 
73*288bf522SAndroid Build Coastguard Worker #endif  // F2FS_UTILS_F2F2_UTILS_H_
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