fuse.h revision 1.16
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 /* set the default version to use for the fuse interface */ 32 /* this value determines the API to be used */ 33 #ifndef FUSE_USE_VERSION 34 #define FUSE_USE_VERSION 26 35 #endif 36 37 #include <sys/types.h> 38 39 #include <puffs.h> 40 #include <utime.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 struct fuse; 47 struct fuse_args; /* XXXsupportme */ 48 49 struct fuse_file_info { 50 int32_t flags; 51 uint32_t fh_old; 52 int32_t writepage; 53 uint32_t direct_io:1; 54 uint32_t keep_cache:1; 55 uint32_t flush:1; 56 uint32_t padding:29; 57 uint64_t fh; 58 uint64_t lock_owner; 59 }; 60 61 struct fuse_conn_info { 62 uint32_t proto_major; 63 uint32_t proto_minor; 64 uint32_t async_read; 65 uint32_t max_write; 66 uint32_t max_readahead; 67 uint32_t reserved[27]; 68 }; 69 70 /* equivalent'ish of puffs_cc */ 71 struct fuse_context { 72 struct fuse *fuse; 73 uid_t uid; 74 gid_t gid; 75 pid_t pid; 76 void *private_data; 77 }; 78 79 /** 80 * Argument list 81 */ 82 struct fuse_args { 83 int argc; 84 char **argv; 85 int allocated; 86 }; 87 88 /** 89 * Initializer for 'struct fuse_args' 90 */ 91 #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } 92 93 typedef struct puffs_fuse_dirh *fuse_dirh_t; 94 95 typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t); 96 typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t); 97 98 #define FUSE_VERSION 26 99 #define FUSE_MAJOR_VERSION 2 100 #define FUSE_MINOR_VERSION 6 101 102 /* 103 * These operations shadow those in puffs_usermount, and are used 104 * as a table of callbacks to make when file system requests come 105 * in. 106 * 107 * NOTE: keep same order as fuse 108 */ 109 struct fuse_operations { 110 int (*getattr)(const char *, struct stat *); 111 int (*readlink)(const char *, char *, size_t); 112 int (*getdir)(const char *, fuse_dirh_t, fuse_dirfil_t); 113 int (*mknod)(const char *, mode_t, dev_t); 114 int (*mkdir)(const char *, mode_t); 115 int (*unlink)(const char *); 116 int (*rmdir)(const char *); 117 int (*symlink)(const char *, const char *); 118 int (*rename)(const char *, const char *); 119 int (*link)(const char *, const char *); 120 int (*chmod)(const char *, mode_t); 121 int (*chown)(const char *, uid_t, gid_t); 122 int (*truncate)(const char *, off_t); 123 int (*utime)(const char *, struct utimbuf *); 124 int (*open)(const char *, struct fuse_file_info *); 125 int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *); 126 int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *); 127 int (*statfs)(const char *, struct statvfs *); 128 int (*flush)(const char *, struct fuse_file_info *); 129 int (*release)(const char *, struct fuse_file_info *); 130 int (*fsync)(const char *, int, struct fuse_file_info *); 131 int (*setxattr)(const char *, const char *, const char *, size_t, int); 132 int (*getxattr)(const char *, const char *, char *, size_t); 133 int (*listxattr)(const char *, char *, size_t); 134 int (*removexattr)(const char *, const char *); 135 int (*opendir)(const char *, struct fuse_file_info *); 136 int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); 137 int (*releasedir)(const char *, struct fuse_file_info *); 138 int (*fsyncdir)(const char *, int, struct fuse_file_info *); 139 void *(*init)(struct fuse_conn_info *); 140 void (*destroy)(void *); 141 int (*access)(const char *, int); 142 int (*create)(const char *, mode_t, struct fuse_file_info *); 143 int (*ftruncate)(const char *, off_t, struct fuse_file_info *); 144 int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *); 145 int (*lock)(const char *, struct fuse_file_info *, int, struct flock *); 146 int (*utimens)(const char *, const struct timespec *); 147 int (*bmap)(const char *, size_t , uint64_t *); 148 struct puffs_ops puffs_ops; /* pointer to puffs operations */ 149 }; 150 151 152 struct fuse_chan *fuse_mount(const char *, struct fuse_args *); 153 struct fuse *fuse_new(struct fuse_chan *, struct fuse_args *, 154 const struct fuse_operations *, size_t, void *); 155 156 int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *); 157 int fuse_loop(struct fuse *); 158 struct fuse_context *fuse_get_context(void); 159 void fuse_exit(struct fuse *); 160 void fuse_destroy(struct fuse *); 161 162 void fuse_unmount(const char *, struct fuse_chan *); 163 164 struct fuse *fuse_setup(int, char **, const struct fuse_operations *, 165 size_t, char **, int *, int *); 166 void fuse_teardown(struct fuse *, char *); 167 168 #if FUSE_USE_VERSION == 22 169 #define fuse_unmount fuse_unmount_compat22 170 #endif 171 172 void fuse_unmount_compat22(const char *); 173 174 #if FUSE_USE_VERSION >= 26 175 #define fuse_main(argc, argv, op, arg) \ 176 fuse_main_real(argc, argv, op, sizeof(*(op)), arg) 177 #else 178 #define fuse_main(argc, argv, op) \ 179 fuse_main_real(argc, argv, op, sizeof(*(op)), NULL) 180 #endif 181 182 #ifdef __cplusplus 183 } 184 #endif 185 186 #include <fuse_opt.h> 187 188 #endif 189
Indexes created Mon Sep 22 13:09:51 GMT 2025