fuse.h revision 1.6
1 /* 2 * Copyright 2007 Alistair Crooks. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. The name of the author may not be used to endorse or promote 13 * products derived from this software without specific prior written 14 * permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 22 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef FUSE_H_ 29 #define FUSE_H_ 20070123 30 31 #include <sys/types.h> 32 33 #include <puffs.h> 34 #include <utime.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 struct fuse; 41 42 struct fuse_file_info { 43 int32_t flags; 44 uint32_t fh_old; 45 int32_t writepage; 46 uint32_t direct_io:1; 47 uint32_t keep_cache:1; 48 uint32_t flush:1; 49 uint32_t padding:29; 50 uint64_t fh; 51 uint64_t lock_owner; 52 }; 53 54 struct fuse_conn_info { 55 uint32_t proto_major; 56 uint32_t proto_minor; 57 uint32_t async_read; 58 uint32_t max_write; 59 uint32_t max_readahead; 60 uint32_t reserved[27]; 61 }; 62 63 struct fuse_opt { 64 const char *templ; 65 uint32_t offset; 66 int32_t value; 67 }; 68 69 /* equivalent'ish of puffs_cc */ 70 struct fuse_context { 71 struct fuse *fuse; 72 uid_t uid; 73 gid_t gid; 74 pid_t pid; 75 void *private_data; 76 }; 77 78 #define FUSE_OPT_KEY(templ, key) { templ, -1U, key } 79 80 #define FUSE_OPT_END { .templ = NULL } 81 82 /** 83 * Argument list 84 */ 85 struct fuse_args { 86 int argc; 87 char **argv; 88 int allocated; 89 }; 90 91 /** 92 * Initializer for 'struct fuse_args' 93 */ 94 #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } 95 96 enum { 97 FUSE_OPT_KEY_OPT = -1, 98 FUSE_OPT_KEY_NONOPT = -2, 99 FUSE_OPT_KEY_KEEP = -3, 100 FUSE_OPT_KEY_DISCARD = -4 101 }; 102 103 typedef struct fuse_dirh *fuse_dirh_t; 104 105 typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t); 106 typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t); 107 108 #define FUSE_VERSION 26 109 #define FUSE_MAJOR_VERSION 2 110 #define FUSE_MINOR_VERSION 6 111 112 /* 113 * These operations shadow those in puffs_usermount, and are used 114 * as a table of callbacks to make when file system requests come 115 * in. 116 * 117 * NOTE: keep same order as fuse 118 */ 119 struct fuse_operations { 120 int (*getattr)(const char *, struct stat *); 121 int (*readlink)(const char *, char *, size_t); 122 int (*getdir)(const char *, fuse_dirh_t, fuse_dirfil_t); 123 int (*mknod)(const char *, mode_t, dev_t); 124 int (*mkdir)(const char *, mode_t); 125 int (*unlink)(const char *); 126 int (*rmdir)(const char *); 127 int (*symlink)(const char *, const char *); 128 int (*rename)(const char *, const char *); 129 int (*link)(const char *, const char *); 130 int (*chmod)(const char *, mode_t); 131 int (*chown)(const char *, uid_t, gid_t); 132 int (*truncate)(const char *, off_t); 133 int (*utime)(const char *, struct utimbuf *); 134 int (*open)(const char *, struct fuse_file_info *); 135 int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *); 136 int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *); 137 int (*statfs)(const char *, struct statvfs *); 138 int (*flush)(const char *, struct fuse_file_info *); 139 int (*release)(const char *, struct fuse_file_info *); 140 int (*fsync)(const char *, int, struct fuse_file_info *); 141 int (*setxattr)(const char *, const char *, const char *, size_t, int); 142 int (*getxattr)(const char *, const char *, char *, size_t); 143 int (*listxattr)(const char *, char *, size_t); 144 int (*removexattr)(const char *, const char *); 145 int (*opendir)(const char *, struct fuse_file_info *); 146 int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); 147 int (*releasedir)(const char *, struct fuse_file_info *); 148 int (*fsyncdir)(const char *, int, struct fuse_file_info *); 149 void *(*init)(struct fuse_conn_info *); 150 void (*destroy)(void *); 151 int (*access)(const char *, int); 152 int (*create)(const char *, mode_t, struct fuse_file_info *); 153 int (*ftruncate)(const char *, off_t, struct fuse_file_info *); 154 int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *); 155 int (*lock)(const char *, struct fuse_file_info *, int, struct flock *); 156 int (*utimens)(const char *, const struct timespec *); 157 int (*bmap)(const char *, size_t , uint64_t *); 158 struct puffs_ops puffs_ops; /* pointer to puffs operations */ 159 }; 160 161 162 typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *); 163 164 165 int fuse_opt_add_arg(struct fuse_args *, const char *); 166 void fuse_opt_free_args(struct fuse_args *); 167 int fuse_opt_parse(struct fuse_args *, void *, const struct fuse_opt *, fuse_opt_proc_t); 168 int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *); 169 struct fuse_context *fuse_get_context(void); 170 void fuse_exit(struct fuse *); 171 void fuse_unmount(const char *); 172 173 #define fuse_main(argc, argv, op) \ 174 fuse_main_real(argc, argv, op, sizeof(*(op)), NULL) 175 176 177 #ifdef __cplusplus 178 } 179 #endif 180 181 #endif 182
Indexes created Tue Sep 23 22:09:46 GMT 2025