fuse.h revision 1.3
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_file_info { 41 int32_t flags; 42 uint32_t fh_old; 43 int32_t writepage; 44 uint32_t direct_io:1; 45 uint32_t keep_cache:1; 46 uint32_t flush:1; 47 uint32_t padding:29; 48 uint64_t fh; 49 uint64_t lock_owner; 50 }; 51 52 struct fuse_conn_info { 53 uint32_t proto_major; 54 uint32_t proto_minor; 55 uint32_t async_read; 56 uint32_t max_write; 57 uint32_t max_readahead; 58 uint32_t reserved[27]; 59 }; 60 61 struct fuse_opt { 62 const char *templ; 63 uint32_t offset; 64 int32_t value; 65 }; 66 67 /* equivalent'ish of puffs_cc */ 68 struct fuse_context { 69 struct fuse *fuse; 70 uid_t uid; 71 gid_t gid; 72 pid_t pid; 73 void *private_data; 74 }; 75 76 #define FUSE_OPT_KEY(templ, key) { templ, -1U, key } 77 78 #define FUSE_OPT_END { .templ = NULL } 79 80 /** 81 * Argument list 82 */ 83 struct fuse_args { 84 int argc; 85 char **argv; 86 int allocated; 87 }; 88 89 /** 90 * Initializer for 'struct fuse_args' 91 */ 92 #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } 93 94 enum { 95 FUSE_OPT_KEY_OPT = -1, 96 FUSE_OPT_KEY_NONOPT = -2, 97 FUSE_OPT_KEY_KEEP = -3, 98 FUSE_OPT_KEY_DISCARD = -4 99 }; 100 101 typedef struct fuse_dirh *fuse_dirh_t; 102 103 typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t); 104 typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t); 105 106 #define FUSE_VERSION 26 107 108 /* 109 * These operations shadow those in puffs_usermount, and are used 110 * as a table of callbacks to make when file system requests come 111 * in. 112 */ 113 struct fuse_operations { 114 int (*getattr)(const char *, struct stat *); 115 int (*readlink)(const char *, char *, size_t); 116 int (*mknod)(const char *, mode_t, dev_t); 117 int (*mkdir)(const char *, mode_t); 118 int (*unlink)(const char *); 119 int (*rmdir)(const char *); 120 int (*symlink)(const char *, const char *); 121 int (*rename)(const char *, const char *); 122 int (*link)(const char *, const char *); 123 int (*chmod)(const char *, mode_t); 124 int (*chown)(const char *, uid_t, gid_t); 125 int (*truncate)(const char *, off_t); 126 int (*utime)(const char *, struct utimbuf *); 127 int (*open)(const char *, struct fuse_file_info *); 128 int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *); 129 int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *); 130 int (*statfs)(const char *, struct statvfs *); 131 int (*flush)(const char *, struct fuse_file_info *); 132 int (*release)(const char *, struct fuse_file_info *); 133 int (*fsync)(const char *, int, struct fuse_file_info *); 134 int (*setxattr)(const char *, const char *, const char *, size_t, int); 135 int (*getxattr)(const char *, const char *, char *, size_t); 136 int (*listxattr)(const char *, char *, size_t); 137 int (*removexattr)(const char *, const char *); 138 int (*opendir)(const char *, struct fuse_file_info *); 139 int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); 140 int (*getdir)(const char *, fuse_dirh_t, fuse_dirfil_t); 141 int (*releasedir)(const char *, struct fuse_file_info *); 142 int (*fsyncdir)(const char *, int, struct fuse_file_info *); 143 void *(*init)(struct fuse_conn_info *); 144 void (*destroy)(void *); 145 int (*access)(const char *, int); 146 int (*create)(const char *, mode_t, struct fuse_file_info *); 147 int (*ftruncate)(const char *, off_t, struct fuse_file_info *); 148 int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *); 149 int (*lock)(const char *, struct fuse_file_info *, int, struct flock *); 150 int (*utimens)(const char *, const struct timespec *); 151 int (*bmap)(const char *, size_t , uint64_t *); 152 struct puffs_ops puffs_ops; /* pointer to puffs operations */ 153 }; 154 155 156 typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *); 157 158 159 int fuse_opt_add_arg(struct fuse_args *, const char *); 160 int fuse_opt_parse(struct fuse_args *, void *, const struct fuse_opt *, fuse_opt_proc_t); 161 int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *); 162 struct fuse_context *fuse_get_context(void); 163 164 165 #define fuse_main(argc, argv, op) \ 166 fuse_main_real(argc, argv, op, sizeof(*(op)), NULL) 167 168 169 #ifdef __cplusplus 170 } 171 #endif 172 173 #endif 174
Indexes created Thu Sep 25 02:09:54 GMT 2025