mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-27 01:11:06 +00:00
3a0922001b
This FUSE implementation consists of libfuse, which provides a subset of the FUSE 2.6 API and libc_fuse, which provides support for accessing FUSE based file system via the libc. Fixes #942.
162 lines
4.9 KiB
C
162 lines
4.9 KiB
C
/*
|
|
* \brief libfuse re-implementation public API
|
|
* \author Josef Soentgen
|
|
* \date 2013-11-07
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2013 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
#ifndef _INCLUDE__FUSE_H_
|
|
#define _INCLUDE__FUSE_H_
|
|
|
|
/* libc includes */
|
|
#include <sys/stat.h>
|
|
#include <sys/statvfs.h>
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <utime.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef FUSE_USE_VERSION
|
|
#define FUSE_USE_VERSION 26
|
|
#endif
|
|
|
|
#if FUSE_USE_VERSION >= 26
|
|
#define FUSE_VERSION 26
|
|
#else
|
|
#error "No support for FUSE_VERSION < 26"
|
|
#endif
|
|
|
|
void fuse_genode(const char*);
|
|
|
|
#include "fuse_opt.h"
|
|
|
|
struct fuse_chan;
|
|
struct fuse_args;
|
|
struct fuse_session;
|
|
|
|
struct fuse_file_info {
|
|
int32_t flags; /* open(2) flags */
|
|
uint32_t fh_old; /* old file handle */
|
|
int32_t writepage;
|
|
uint32_t direct_io:1;
|
|
uint32_t keep_cache:1;
|
|
uint32_t flush:1;
|
|
uint32_t nonseekable:1;
|
|
uint32_t __padd:27;
|
|
uint32_t flock_release : 1;
|
|
uint64_t fh; /* file handle */
|
|
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 capable;
|
|
uint32_t want;
|
|
uint32_t max_background;
|
|
uint32_t congestion_threshold;
|
|
uint32_t reserved[23];
|
|
};
|
|
|
|
struct fuse_context {
|
|
struct fuse *fuse;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
pid_t pid;
|
|
void *private_data;
|
|
mode_t umask;
|
|
};
|
|
|
|
typedef ino_t fuse_ino_t;
|
|
typedef int (*fuse_fill_dir_t)(void *, const char *, const struct stat *, off_t);
|
|
|
|
|
|
|
|
typedef int (*fuse_dirfil_t)(void *, const char *, int, ino_t);
|
|
|
|
/* only operations available in 2.6 */
|
|
struct fuse_operations {
|
|
int (*getattr)(const char *, struct stat *);
|
|
int (*readlink)(const char *, char *, size_t);
|
|
int (*getdir)(const char *, void *, 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 *);
|
|
};
|
|
|
|
/* API */
|
|
int fuse_version(void);
|
|
struct fuse *fuse_new(struct fuse_chan *, struct fuse_args *,
|
|
const struct fuse_operations *, size_t, void *);
|
|
void fuse_destroy(struct fuse *);
|
|
void fuse_exit(struct fuse *f);
|
|
struct fuse_session *fuse_get_session(struct fuse *);
|
|
struct fuse_context *fuse_get_context(void);
|
|
int fuse_loop(struct fuse *);
|
|
int fuse_loop_mt(struct fuse *);
|
|
int fuse_main(int, char **, const struct fuse_operations *, void *);
|
|
struct fuse_chan *fuse_mount(const char *, struct fuse_args *);
|
|
int fuse_parse_cmdline(struct fuse_args *, char **, int *, int *);
|
|
void fuse_remove_signal_handlers(struct fuse_session *);
|
|
int fuse_set_signal_handlers(struct fuse_session *);
|
|
int fuse_chan_fd(struct fuse_chan *);
|
|
int fuse_daemonize(int);
|
|
int fuse_is_lib_option(const char *);
|
|
void fuse_teardown(struct fuse *, char *);
|
|
void fuse_unmount(const char *, struct fuse_chan *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _INCLUDE__FUSE_H_ */
|