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