Add FUSE implementation and dependencies
Imported from the genode repository. Fixes #129. Issue genodelabs/genode#3104.
This commit is contained in:
Josef Söntgen
committed by
Norman Feske
Norman Feske
parent
4ab0ad26ca
commit
fd713e737d
161
include/fuse/fuse.h
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161
include/fuse/fuse.h
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/*
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* \brief libfuse re-implementation public API
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* \author Josef Soentgen
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* \date 2013-11-07
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*/
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/*
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* Copyright (C) 2013-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__FUSE_H_
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#define _INCLUDE__FUSE_H_
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/* libc includes */
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/types.h>
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#include <fcntl.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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#ifndef FUSE_USE_VERSION
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#define FUSE_USE_VERSION 26
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#endif
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#if FUSE_USE_VERSION >= 26
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#define FUSE_VERSION 26
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#else
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#error "No support for FUSE_VERSION < 26"
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#endif
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void fuse_genode(const char*);
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#include "fuse_opt.h"
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struct fuse_chan;
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struct fuse_args;
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struct fuse_session;
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struct fuse_file_info {
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int32_t flags; /* open(2) flags */
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uint32_t fh_old; /* old file handle */
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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 nonseekable:1;
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uint32_t __padd:27;
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uint32_t flock_release : 1;
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uint64_t fh; /* file handle */
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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 capable;
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uint32_t want;
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uint32_t max_background;
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uint32_t congestion_threshold;
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uint32_t reserved[23];
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};
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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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mode_t umask;
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};
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typedef ino_t fuse_ino_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)(void *, const char *, int, ino_t);
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/* only operations available in 2.6 */
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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 *, void *, 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,
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struct fuse_file_info *);
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int (*write)(const char *, const char *, size_t, off_t,
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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,
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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,
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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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/* API */
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int fuse_version(void);
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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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void fuse_destroy(struct fuse *);
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void fuse_exit(struct fuse *f);
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struct fuse_session *fuse_get_session(struct fuse *);
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struct fuse_context *fuse_get_context(void);
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int fuse_loop(struct fuse *);
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int fuse_loop_mt(struct fuse *);
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int fuse_main(int, char **, const struct fuse_operations *, void *);
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struct fuse_chan *fuse_mount(const char *, struct fuse_args *);
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int fuse_parse_cmdline(struct fuse_args *, char **, int *, int *);
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void fuse_remove_signal_handlers(struct fuse_session *);
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int fuse_set_signal_handlers(struct fuse_session *);
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int fuse_chan_fd(struct fuse_chan *);
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int fuse_daemonize(int);
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int fuse_is_lib_option(const char *);
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void fuse_teardown(struct fuse *, char *);
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void fuse_unmount(const char *, struct fuse_chan *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _INCLUDE__FUSE_H_ */
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56
include/fuse/fuse_opt.h
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56
include/fuse/fuse_opt.h
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@@ -0,0 +1,56 @@
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/*
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* \brief libfuse public API
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* \author Josef Soentgen
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* \date 2013-11-07
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*/
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/*
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* Copyright (C) 2013-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _FUSE_OPT_H_
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#define _FUSE_OPT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct fuse_opt {
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const char *templ;
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unsigned long off;
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int val;
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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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typedef int (*fuse_opt_proc_t)(void *, const char *, int, struct fuse_args *);
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int fuse_opt_add_arg(struct fuse_args *, const char *);
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int fuse_opt_insert_arg(struct fuse_args *, int, const char *);
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void fuse_opt_free_args(struct fuse_args *);
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int fuse_opt_add_opt(char **, const char *);
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int fuse_opt_add_opt_escaped(char **, const char *);
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int fuse_opt_match(const struct fuse_opt *, const char *);
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int fuse_opt_parse(struct fuse_args *, void *, struct fuse_opt *,
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fuse_opt_proc_t);
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#define FUSE_ARGS_INIT(ac, av) { ac, av, 0 }
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#define FUSE_OPT_KEY(t, k) { t, -1, k }
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#define FUSE_OPT_END { NULL, 0, 0 }
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#define FUSE_OPT_KEY_OPT -1
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#define FUSE_OPT_KEY_NONOPT -2
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#define FUSE_OPT_KEY_KEEP -3
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#define FUSE_OPT_KEY_DISCARD -4
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FUSE_OPT_H_ */
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154
include/fuse/fuse_private.h
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154
include/fuse/fuse_private.h
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@@ -0,0 +1,154 @@
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/*
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* \brief libfuse private API
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* \author Josef Soentgen
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* \date 2013-11-07
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* */
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/*
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* Copyright (C) 2013-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__FUSE_PRIVATE_H_
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#define _INCLUDE__FUSE_PRIVATE_H_
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#include "fuse.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct fuse_dirhandle;
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struct fuse_args;
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struct fuse_session {
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void *args;
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};
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struct fuse_chan {
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char *dir;
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struct fuse_args *args;
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};
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struct fuse_config {
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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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mode_t umask;
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int set_mode;
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int set_uid;
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int set_gid;
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};
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typedef struct fuse_dirhandle {
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fuse_fill_dir_t filler;
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void *buf;
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size_t size;
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off_t offset;
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} *fuse_dirh_t;
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struct fuse {
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struct fuse_chan *fc;
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struct fuse_operations op;
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struct fuse_args *args;
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struct fuse_config conf;
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struct fuse_session se;
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fuse_fill_dir_t filler;
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void *userdata;
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/* Block_session info */
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uint32_t block_size;
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uint64_t block_count;
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};
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#ifdef __cplusplus
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}
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#endif
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namespace Fuse {
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struct fuse* fuse();
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bool initialized();
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/**
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* Initialize the file system
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*
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* Mount the medium containg the file system, e.g. by
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* using a Block_session connection, and call the file system
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* init function as well as initialize needed fuse structures.
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*/
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bool init_fs();
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/**
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* Deinitialize the file system
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*
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* Unmount the medium, call the file system cleanup function
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* and free all fuse structures.
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*/
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void deinit_fs();
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/**
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* Synchronize the file system
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*
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* Request the file system to flush all internal caches
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* to disk.
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*/
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void sync_fs();
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/**
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* FUSE File system implementation supports symlinks
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*/
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bool support_symlinks();
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/* list of FUSE operations as of version 2.6 */
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enum Fuse_operations {
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FUSE_OP_GETATTR = 0,
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FUSE_OP_READLINK = 1,
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FUSE_OP_GETDIR = 2,
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FUSE_OP_MKNOD = 3,
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FUSE_OP_MKDIR = 4,
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FUSE_OP_UNLINK = 5,
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FUSE_OP_RMDIR = 6,
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FUSE_OP_SYMLINK = 7,
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FUSE_OP_RENAME = 8,
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FUSE_OP_LINK = 9,
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FUSE_OP_CHMOD = 10,
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FUSE_OP_CHOWN = 11,
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FUSE_OP_TRUNCATE = 12,
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FUSE_OP_UTIME = 13,
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FUSE_OP_OPEN = 14,
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FUSE_OP_READ = 15,
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FUSE_OP_WRITE = 16,
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FUSE_OP_STATFS = 17,
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FUSE_OP_FLUSH = 18,
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FUSE_OP_RELEASE = 19,
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FUSE_OP_FSYNC = 20,
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FUSE_OP_SETXATTR = 21,
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FUSE_OP_GETXATTR = 22,
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FUSE_OP_LISTXATTR = 23,
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FUSE_OP_REMOVEXATTR = 24,
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FUSE_OP_OPENDIR = 25,
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FUSE_OP_READDIR = 26,
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FUSE_OP_RELEASEDIR = 27,
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FUSE_OP_FSYNCDIR = 28,
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FUSE_OP_INIT = 29,
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FUSE_OP_DESTROY = 30,
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FUSE_OP_ACCESS = 31,
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FUSE_OP_CREATE = 32,
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FUSE_OP_FTRUNCATE = 33,
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FUSE_OP_FGETATTR = 34,
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FUSE_OP_LOCK = 35,
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FUSE_OP_UTIMENS = 36,
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FUSE_OP_BMAP = 37,
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FUSE_OP_MAX = 38,
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};
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}
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#endif /* _INCLUDE__FUSE_PRIVATE_ */
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