1 /* SPDX-License-Identifier: GPL-2.0+ OR Apache-2.0 */
2 /*
3 * Copyright (C) 2018-2019 HUAWEI, Inc.
4 * http://www.huawei.com/
5 * Created by Li Guifu <bluce.liguifu@huawei.com>
6 */
7 #ifndef __EROFS_CONFIG_H
8 #define __EROFS_CONFIG_H
9
10 #ifdef __cplusplus
11 extern "C"
12 {
13 #endif
14
15 #include "defs.h"
16 #include "err.h"
17
18
19 enum {
20 FORCE_INODE_COMPACT = 1,
21 FORCE_INODE_EXTENDED,
22 };
23
24 enum {
25 FORCE_INODE_BLOCK_MAP = 1,
26 FORCE_INODE_CHUNK_INDEXES,
27 };
28
29 enum {
30 TIMESTAMP_NONE,
31 TIMESTAMP_FIXED,
32 TIMESTAMP_CLAMPING,
33 };
34
35 #define EROFS_MAX_COMPR_CFGS 64
36
37 struct erofs_configure {
38 const char *c_version;
39 int c_dbg_lvl;
40 bool c_dry_run;
41 bool c_legacy_compress;
42 #ifndef NDEBUG
43 bool c_random_pclusterblks;
44 bool c_random_algorithms;
45 #endif
46 char c_timeinherit;
47 char c_chunkbits;
48 bool c_inline_data;
49 bool c_ztailpacking;
50 bool c_fragments;
51 bool c_all_fragments;
52 bool c_dedupe;
53 bool c_ignore_mtime;
54 bool c_showprogress;
55 bool c_extra_ea_name_prefixes;
56 bool c_xattr_name_filter;
57 bool c_ovlfs_strip;
58
59 #ifdef HAVE_LIBSELINUX
60 struct selabel_handle *sehnd;
61 #endif
62 /* related arguments for mkfs.erofs */
63 char *c_img_path;
64 char *c_src_path;
65 char *c_blobdev_path;
66 char *c_compress_hints_file;
67 char *c_compr_alg[EROFS_MAX_COMPR_CFGS];
68 int c_compr_level[EROFS_MAX_COMPR_CFGS];
69 char c_force_inodeversion;
70 char c_force_chunkformat;
71 /* < 0, xattr disabled and INT_MAX, always use inline xattrs */
72 int c_inline_xattr_tolerance;
73
74 u32 c_pclusterblks_max, c_pclusterblks_def, c_pclusterblks_packed;
75 u32 c_max_decompressed_extent_bytes;
76 u32 c_dict_size;
77 u64 c_unix_timestamp;
78 u32 c_uid, c_gid;
79 const char *mount_point;
80 long long c_uid_offset, c_gid_offset;
81 #ifdef WITH_ANDROID
82 char *target_out_path;
83 char *fs_config_file;
84 char *block_list_file;
85 #endif
86
87 /* offset when reading multi partition images */
88 u64 c_offset;
89 };
90
91 extern struct erofs_configure cfg;
92
93 void erofs_init_configure(void);
94 void erofs_show_config(void);
95 void erofs_exit_configure(void);
96
97 void erofs_set_fs_root(const char *rootdir);
98 const char *erofs_fspath(const char *fullpath);
99
100 #ifdef HAVE_LIBSELINUX
101 int erofs_selabel_open(const char *file_contexts);
102 #else
erofs_selabel_open(const char * file_contexts)103 static inline int erofs_selabel_open(const char *file_contexts)
104 {
105 return -EINVAL;
106 }
107 #endif
108
109 void erofs_update_progressinfo(const char *fmt, ...);
110 char *erofs_trim_for_progressinfo(const char *str, int placeholder);
111
112 #ifdef __cplusplus
113 }
114 #endif
115
116 #endif
117