fuse.h revision 1.1
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 #define FUSE_OPT_KEY(templ, key) { templ, -1U, key } 68 69 #define FUSE_OPT_END { .templ = NULL } 70 71 /** 72 * Argument list 73 */ 74 struct fuse_args { 75 int argc; 76 char **argv; 77 int allocated; 78 }; 79 80 /** 81 * Initializer for 'struct fuse_args' 82 */ 83 #define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 } 84 85 enum { 86 FUSE_OPT_KEY_OPT = -1, 87 FUSE_OPT_KEY_NONOPT = -2, 88 FUSE_OPT_KEY_KEEP = -3, 89 FUSE_OPT_KEY_DISCARD = -4 90 }; 91 92 typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t); 93 94 #define FUSE_VERSION 26 95 96 /* 97 * These operations shadow those in puffs_usermount, and are used 98 * as a table of callbacks to make when file system requests come 99 * in. 100 */ 101 struct fuse_operations { 102 int (*getattr)(const char *, struct stat *); 103 int (*readlink)(const char *, char *, size_t); 104 int (*mknod)(const char *, mode_t, dev_t); 105 int (*mkdir)(const char *, mode_t); 106 int (*unlink)(const char *); 107 int (*rmdir)(const char *); 108 int (*symlink)(const char *, const char *); 109 int (*rename)(const char *, const char *); 110 int (*link)(const char *, const char *); 111 int (*chmod)(const char *, mode_t); 112 int (*chown)(const char *, uid_t, gid_t); 113 int (*truncate)(const char *, off_t); 114 int (*utime)(const char *, struct utimbuf *); 115 int (*open)(const char *, struct fuse_file_info *); 116 int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *); 117 int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *); 118 int (*statfs)(const char *, struct statvfs *); 119 int (*flush)(const char *, struct fuse_file_info *); 120 int (*release)(const char *, struct fuse_file_info *); 121 int (*fsync)(const char *, int, struct fuse_file_info *); 122 int (*setxattr)(const char *, const char *, const char *, size_t, int); 123 int (*getxattr)(const char *, const char *, char *, size_t); 124 int (*listxattr)(const char *, char *, size_t); 125 int (*removexattr)(const char *, const char *); 126 int (*opendir)(const char *, struct fuse_file_info *); 127 int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *); 128 int (*releasedir)(const char *, struct fuse_file_info *); 129 int (*fsyncdir)(const char *, int, struct fuse_file_info *); 130 void *(*init)(struct fuse_conn_info *); 131 void (*destroy)(void *); 132 int (*access)(const char *, int); 133 int (*create)(const char *, mode_t, struct fuse_file_info *); 134 int (*ftruncate)(const char *, off_t, struct fuse_file_info *); 135 int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *); 136 int (*lock)(const char *, struct fuse_file_info *, int, struct flock *); 137 int (*utimens)(const char *, const struct timespec *); 138 int (*bmap)(const char *, size_t , uint64_t *); 139 struct puffs_ops puffs_ops; /* pointer to puffs operations */ 140 }; 141 142 143 typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *); 144 145 146 int fuse_opt_add_arg(struct fuse_args *, const char *); 147 int fuse_opt_parse(struct fuse_args *, void *, const struct fuse_opt *, fuse_opt_proc_t); 148 int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *); 149 150 151 #define fuse_main(argc, argv, op) \ 152 fuse_main_real(argc, argv, op, sizeof(*(op)), NULL) 153 154 155 #ifdef __cplusplus 156 } 157 #endif 158 159 #endif 160
Indexes created Mon Sep 22 05:09:51 GMT 2025