NetBSD/lib/librefuse/fuse.h

190 lines
6.0 KiB
C

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