v30.h revision 1.1 1 /* $NetBSD: v30.h,v 1.1 2022/01/22 08:09:40 pho Exp $ */
2
3 /*
4 * Copyright (c) 2021 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote
16 * products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #if !defined(_FUSE_V30_H_)
32 #define _FUSE_V30_H_
33
34 /* Compatibility header with FUSE 3.0 API. Only declarations that have
35 * differences between versions should be listed here. */
36
37 #if !defined(FUSE_H_)
38 # error Do not include this header directly. Include <fuse.h> instead.
39 #endif
40
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
44
45 /* Defined in <fuse_lowlevel.h> */
46 struct fuse_cmdline_opts;
47
48 /* Function to add an entry in a readdir() operation. Introduced on
49 * FUSE 2.3 and changed on FUSE 3.0. */
50 typedef int (*fuse_fill_dir_t_v30)(
51 void *, const char *, const struct stat *, off_t, enum fuse_fill_dir_flags flags);
52
53 /* The table of file system operations in FUSE 3.0. */
54 struct fuse_operations_v30 {
55 int (*getattr) (const char *, struct stat *, struct fuse_file_info *fi);
56 int (*readlink) (const char *, char *, size_t);
57 /* getdir has been removed as of FUSE 3.0. */
58 int (*mknod) (const char *, mode_t, dev_t);
59 int (*mkdir) (const char *, mode_t);
60 int (*unlink) (const char *);
61 int (*rmdir) (const char *);
62 int (*symlink) (const char *, const char *);
63 int (*rename) (const char *, const char *, unsigned int);
64 int (*link) (const char *, const char *);
65 int (*chmod) (const char *, mode_t, struct fuse_file_info *fi);
66 int (*chown) (const char *, uid_t, gid_t, struct fuse_file_info *fi);
67 int (*truncate) (const char *, off_t, struct fuse_file_info *fi);
68 /* utime has been removed as of FUSE 3.0. */
69 int (*open) (const char *, struct fuse_file_info *);
70 int (*read) (const char *, char *, size_t, off_t, struct fuse_file_info *);
71 int (*write) (const char *, const char *, size_t, off_t, struct fuse_file_info *);
72 int (*statfs) (const char *, struct statvfs *);
73 int (*flush) (const char *, struct fuse_file_info *);
74 int (*release) (const char *, struct fuse_file_info *);
75 int (*fsync) (const char *, int, struct fuse_file_info *);
76 int (*setxattr) (const char *, const char *, const char *, size_t, int);
77 int (*getxattr) (const char *, const char *, char *, size_t);
78 int (*listxattr) (const char *, char *, size_t);
79 int (*removexattr) (const char *, const char *);
80 int (*opendir) (const char *, struct fuse_file_info *);
81 int (*readdir) (const char *, void *, fuse_fill_dir_t_v30, off_t, struct fuse_file_info *, enum fuse_readdir_flags);
82 int (*releasedir) (const char *, struct fuse_file_info *);
83 int (*fsyncdir) (const char *, int, struct fuse_file_info *);
84 void *(*init) (struct fuse_conn_info *, struct fuse_config *);
85 void (*destroy) (void *);
86 int (*access) (const char *, int);
87 int (*create) (const char *, mode_t, struct fuse_file_info *);
88 /* ftruncate has been removed as of FUSE 3.0. */
89 /* fgetattr has been removed as of FUSE 3.0. */
90 int (*lock) (const char *, struct fuse_file_info *, int, struct flock *);
91 int (*utimens) (const char *, const struct timespec[2], struct fuse_file_info *);
92 int (*bmap) (const char *, size_t , uint64_t *);
93 /* flag_* have been removed as of FUSE 3.0. */
94 int (*ioctl) (const char *, int, void *, struct fuse_file_info *, unsigned int, void *);
95 int (*poll) (const char *, struct fuse_file_info *, struct fuse_pollhandle *, unsigned *);
96 int (*write_buf) (const char *, struct fuse_bufvec *, off_t, struct fuse_file_info *);
97 int (*read_buf) (const char *, struct fuse_bufvec **, size_t, off_t, struct fuse_file_info *);
98 int (*flock) (const char *, struct fuse_file_info *, int);
99 int (*fallocate) (const char *, int, off_t, off_t, struct fuse_file_info *);
100 };
101
102 /* Mount a FUSE 3.0 filesystem. */
103 int fuse_mount_v30(struct fuse *fuse, const char *mountpoint);
104
105 /* Unmount a FUSE 3.0 filesystem. */
106 void fuse_unmount_v30(struct fuse *);
107
108 /* Create a FUSE 3.0 filesystem. */
109 struct fuse *fuse_new_v30(struct fuse_args *args,
110 const void *op, int op_version, void *user_data);
111
112 /* Destroy a FUSE 3.0 filesystem. */
113 void fuse_destroy_v30(struct fuse *fuse);
114
115 /* Multithreaded event loop for FUSE >= 3.0 < 3.2. Of course, every
116 * time they change a function prototype to take a single extra
117 * option, they change it again so it takes a struct instead. Every
118 * single time. */
119 int fuse_loop_mt_v30(struct fuse *fuse, int clone_fd);
120
121 /* Parse common options for FUSE 3.0 */
122 int fuse_parse_cmdline_v30(struct fuse_args *args,
123 struct fuse_cmdline_opts *opts);
124
125 #ifdef __cplusplus
126 }
127 #endif
128
129 #endif
130