190 lines
6.0 KiB
C
190 lines
6.0 KiB
C
/* $NetBSD: fuse.h,v 1.20 2008/01/14 20:46:11 pooka Exp $ */
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/*
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* Copyright © 2007 Alistair Crooks. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FUSE_H_
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#define FUSE_H_ 20070123
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/* set the default version to use for the fuse interface */
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/* this value determines the API to be used */
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#ifndef FUSE_USE_VERSION
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#define FUSE_USE_VERSION 26
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#endif
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#include <sys/types.h>
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#include <puffs.h>
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#include <utime.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct fuse;
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struct fuse_args; /* XXXsupportme */
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struct fuse_file_info {
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int32_t flags;
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uint32_t fh_old;
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int32_t writepage;
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uint32_t direct_io:1;
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uint32_t keep_cache:1;
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uint32_t flush:1;
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uint32_t padding:29;
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uint64_t fh;
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uint64_t lock_owner;
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};
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struct fuse_conn_info {
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uint32_t proto_major;
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uint32_t proto_minor;
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uint32_t async_read;
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uint32_t max_write;
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uint32_t max_readahead;
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uint32_t reserved[27];
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};
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/* equivalent'ish of puffs_cc */
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struct fuse_context {
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struct fuse *fuse;
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uid_t uid;
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gid_t gid;
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pid_t pid;
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void *private_data;
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};
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/**
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* Argument list
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*/
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struct fuse_args {
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int argc;
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char **argv;
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int allocated;
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};
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/**
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* Initializer for 'struct fuse_args'
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*/
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#define FUSE_ARGS_INIT(argc, argv) { argc, argv, 0 }
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typedef struct puffs_fuse_dirh *fuse_dirh_t;
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typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t);
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typedef int (*fuse_dirfil_t)(fuse_dirh_t, const char *, int, ino_t);
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#define FUSE_VERSION 26
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#define FUSE_MAJOR_VERSION 2
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#define FUSE_MINOR_VERSION 6
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/*
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* These operations shadow those in puffs_usermount, and are used
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* as a table of callbacks to make when file system requests come
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* in.
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*
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* NOTE: keep same order as fuse
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*/
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struct fuse_operations {
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int (*getattr)(const char *, struct stat *);
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int (*readlink)(const char *, char *, size_t);
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int (*getdir)(const char *, fuse_dirh_t, fuse_dirfil_t);
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int (*mknod)(const char *, mode_t, dev_t);
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int (*mkdir)(const char *, mode_t);
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int (*unlink)(const char *);
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int (*rmdir)(const char *);
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int (*symlink)(const char *, const char *);
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int (*rename)(const char *, const char *);
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int (*link)(const char *, const char *);
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int (*chmod)(const char *, mode_t);
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int (*chown)(const char *, uid_t, gid_t);
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int (*truncate)(const char *, off_t);
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int (*utime)(const char *, struct utimbuf *);
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int (*open)(const char *, struct fuse_file_info *);
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int (*read)(const char *, char *, size_t, off_t, struct fuse_file_info *);
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int (*write)(const char *, const char *, size_t, off_t, struct fuse_file_info *);
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int (*statfs)(const char *, struct statvfs *);
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int (*flush)(const char *, struct fuse_file_info *);
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int (*release)(const char *, struct fuse_file_info *);
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int (*fsync)(const char *, int, struct fuse_file_info *);
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int (*setxattr)(const char *, const char *, const char *, size_t, int);
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int (*getxattr)(const char *, const char *, char *, size_t);
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int (*listxattr)(const char *, char *, size_t);
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int (*removexattr)(const char *, const char *);
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int (*opendir)(const char *, struct fuse_file_info *);
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int (*readdir)(const char *, void *, fuse_fill_dir_t, off_t, struct fuse_file_info *);
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int (*releasedir)(const char *, struct fuse_file_info *);
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int (*fsyncdir)(const char *, int, struct fuse_file_info *);
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void *(*init)(struct fuse_conn_info *);
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void (*destroy)(void *);
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int (*access)(const char *, int);
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int (*create)(const char *, mode_t, struct fuse_file_info *);
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int (*ftruncate)(const char *, off_t, struct fuse_file_info *);
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int (*fgetattr)(const char *, struct stat *, struct fuse_file_info *);
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int (*lock)(const char *, struct fuse_file_info *, int, struct flock *);
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int (*utimens)(const char *, const struct timespec *);
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int (*bmap)(const char *, size_t , uint64_t *);
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};
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struct fuse_chan *fuse_mount(const char *, struct fuse_args *);
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struct fuse *fuse_new(struct fuse_chan *, struct fuse_args *,
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const struct fuse_operations *, size_t, void *);
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int fuse_main_real(int, char **, const struct fuse_operations *, size_t, void *);
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int fuse_loop(struct fuse *);
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struct fuse_context *fuse_get_context(void);
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void fuse_exit(struct fuse *);
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void fuse_destroy(struct fuse *);
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void fuse_unmount(const char *, struct fuse_chan *);
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struct fuse *fuse_setup(int, char **, const struct fuse_operations *,
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size_t, char **, int *, int *);
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void fuse_teardown(struct fuse *, char *);
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#if FUSE_USE_VERSION == 22
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#define fuse_unmount fuse_unmount_compat22
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#endif
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void fuse_unmount_compat22(const char *);
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#if FUSE_USE_VERSION >= 26
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#define fuse_main(argc, argv, op, arg) \
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fuse_main_real(argc, argv, op, sizeof(*(op)), arg)
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#else
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#define fuse_main(argc, argv, op) \
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fuse_main_real(argc, argv, op, sizeof(*(op)), NULL)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#include <fuse_opt.h>
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#endif
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