fuse.h revision 1.13
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 #include <fuse_opt.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 struct fuse; 43 struct fuse_args; /* XXXsupportme */ 44 45 struct fuse_file_info { 46 int32_t flags; 47 uint32_t fh_old; 48 int32_t writepage; 49 uint32_t direct_io:1; 50 uint32_t keep_cache:1; 51 uint32_t flush:1; 52 uint32_t padding:29; 53 uint64_t fh; 54 uint64_t lock_owner; 55 }; 56 57 struct fuse_conn_info { 58 uint32_t proto_major; 59 uint32_t proto_minor; 60 uint32_t async_read; 61 uint32_t max_write; 62 uint32_t max_readahead; 63 uint32_t reserved[27]; 64 }; 65 66 /* equivalent'ish of puffs_cc */ 67 struct fuse_context { 68 struct fuse *fuse; 69 uid_t uid; 70 gid_t gid; 71 pid_t pid; 72 void *private_data; 73 }; 74 75 /** 76 * Argument list 77 */ 78 struct fuse_args { 79 int argc; 80 char **argv; 81 int allocated; 82 }; 83 84 /** 85 * Initializer for 'struct fuse_args' 86 */ 87 #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } 88 89 typedef struct puffs_fuse_dirh *fuse_dirh_t; 90 91 typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t); 92 typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t); 93 94 #define FUSE_VERSION 26 95 #define FUSE_MAJOR_VERSION 2 96 #define FUSE_MINOR_VERSION 6 97 98 /* 99 * These operations shadow those in puffs_usermount, and are used 100 * as a table of callbacks to make when file system requests come 101 * in. 102 * 103 * NOTE: keep same order as fuse 104 */ 105 struct fuse_operations { 106 int (*getattr)(const char *, struct stat *); 107 int (*readlink)(const char *, char *, size_t); 108 int (*getdir)(const char *, fuse_dirh_t, fuse_dirfil_t); 109 int (*mknod)(const char *, mode_t, dev_t); 110 int (*mkdir)(const char *, mode_t); 111 int (*unlink)(const char *); 112 int (*rmdir)(const char *); 113 int (*symlink)(const char *, const char *); 114 int (*rename)(const char *, const char *); 115 int (*link)(const char *, const char *); 116 int (*chmod)(const char *, mode_t); 117 int (*chown)(const char *, uid_t, gid_t); 118 int (*truncate)(const char *, off_t); 119 int (*utime)(const char *, struct utimbuf *); 120 int (*open)(const char *, struct fuse_file_info *); 121 int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *); 122 int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *); 123 int (*statfs)(const char *, struct statvfs *); 124 int (*flush)(const char *, struct fuse_file_info *); 125 int (*release)(const char *, struct fuse_file_info *); 126 int (*fsync)(const char *, int, struct fuse_file_info *); 127 int (*setxattr)(const char *, const char *, const char *, size_t, int); 128 int (*getxattr)(const char *, const char *, char *, size_t); 129 int (*listxattr)(const char *, char *, size_t); 130 int (*removexattr)(const char *, const char *); 131 int (*opendir)(const char *, struct fuse_file_info *); 132 int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); 133 int (*releasedir)(const char *, struct fuse_file_info *); 134 int (*fsyncdir)(const char *, int, struct fuse_file_info *); 135 void *(*init)(struct fuse_conn_info *); 136 void (*destroy)(void *); 137 int (*access)(const char *, int); 138 int (*create)(const char *, mode_t, struct fuse_file_info *); 139 int (*ftruncate)(const char *, off_t, struct fuse_file_info *); 140 int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *); 141 int (*lock)(const char *, struct fuse_file_info *, int, struct flock *); 142 int (*utimens)(const char *, const struct timespec *); 143 int (*bmap)(const char *, size_t , uint64_t *); 144 struct puffs_ops puffs_ops; /* pointer to puffs operations */ 145 }; 146 147 148 struct fuse_chan *fuse_mount(const char *, struct fuse_args *); 149 struct fuse *fuse_new(struct fuse_chan *, struct fuse_args *, 150 const struct fuse_operations *, size_t, void *); 151 152 int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *); 153 int fuse_loop(struct fuse *); 154 struct fuse_context *fuse_get_context(void); 155 void fuse_exit(struct fuse *); 156 void fuse_destroy(struct fuse *); 157 158 void fuse_unmount(const char *, struct fuse_chan *); 159 160 struct fuse *fuse_setup(int, char **, const struct fuse_operations *, 161 size_t, char **, int *, int *); 162 void fuse_teardown(struct fuse *, char *); 163 164 #if FUSE_USE_VERSION == 22 165 #define fuse_unmount fuse_unmount_compat22 166 #endif 167 168 void fuse_unmount_compat22(const char *); 169 170 #define fuse_main(argc, argv, op) \ 171 fuse_main_real(argc, argv, op, sizeof(*(op)), NULL) 172 173 #ifdef __cplusplus 174 } 175 #endif 176 177 #endif 178
Indexes created Mon Sep 22 13:09:51 GMT 2025