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/*
FUSE: Filesystem in Userspace
Copyright (C) 2001-2004 Miklos Szeredi <miklos@szeredi.hu>
This program can be distributed under the terms of the GNU GPL.
See the file COPYING.
*/
/* This file defines the kernel interface of FUSE */
/** Version number of this interface */
#define FUSE_KERNEL_VERSION 4
/** Minor version number of this interface */
#define FUSE_KERNEL_MINOR_VERSION 1
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
/** Opening this will yield a new control file */
#define FUSE_DEV "/proc/fs/fuse/dev"
/** The file containing the version in the form MAJOR.MINOR */
#define FUSE_VERSION_FILE "/proc/fs/fuse/version"
struct fuse_attr {
unsigned long ino;
unsigned int mode;
unsigned int nlink;
unsigned int uid;
unsigned int gid;
unsigned int rdev;
unsigned long long size;
unsigned long blocks;
unsigned long atime;
unsigned long atimensec;
unsigned long mtime;
unsigned long mtimensec;
unsigned long ctime;
unsigned long ctimensec;
};
struct fuse_kstatfs {
unsigned int bsize;
unsigned long long blocks;
unsigned long long bfree;
unsigned long long bavail;
unsigned long long files;
unsigned long long ffree;
unsigned int namelen;
};
#define FATTR_MODE (1 << 0)
#define FATTR_UID (1 << 1)
#define FATTR_GID (1 << 2)
#define FATTR_SIZE (1 << 3)
#define FATTR_ATIME (1 << 4)
#define FATTR_MTIME (1 << 5)
#define FATTR_CTIME (1 << 6)
enum fuse_opcode {
FUSE_LOOKUP = 1,
FUSE_FORGET = 2, /* no reply */
FUSE_GETATTR = 3,
FUSE_SETATTR = 4,
FUSE_READLINK = 5,
FUSE_SYMLINK = 6,
FUSE_GETDIR = 7,
FUSE_MKNOD = 8,
FUSE_MKDIR = 9,
FUSE_UNLINK = 10,
FUSE_RMDIR = 11,
FUSE_RENAME = 12,
FUSE_LINK = 13,
FUSE_OPEN = 14,
FUSE_READ = 15,
FUSE_WRITE = 16,
FUSE_STATFS = 17,
FUSE_RELEASE = 18, /* no reply */
FUSE_INVALIDATE = 19, /* user initiated */
FUSE_FSYNC = 20,
FUSE_SETXATTR = 21,
FUSE_GETXATTR = 22,
FUSE_LISTXATTR = 23,
FUSE_REMOVEXATTR = 24,
FUSE_FLUSH = 25,
};
/* Conservative buffer size for the client */
#define FUSE_MAX_IN 8192
#define FUSE_NAME_MAX 1024
#define FUSE_SYMLINK_MAX 4096
#define FUSE_XATTR_SIZE_MAX 4096
struct fuse_entry_out {
unsigned long nodeid; /* Inode ID */
unsigned long generation; /* Inode generation: nodeid:gen must
be unique for the fs's lifetime */
unsigned long entry_valid; /* Cache timeout for the name */
unsigned long entry_valid_nsec;
unsigned long attr_valid; /* Cache timeout for the attributes */
unsigned long attr_valid_nsec;
struct fuse_attr attr;
};
struct fuse_forget_in {
int version;
};
struct fuse_attr_out {
unsigned long attr_valid; /* Cache timeout for the attributes */
unsigned long attr_valid_nsec;
struct fuse_attr attr;
};
struct fuse_getdir_out {
int fd;
};
struct fuse_mknod_in {
unsigned int mode;
unsigned int rdev;
};
struct fuse_mkdir_in {
unsigned int mode;
};
struct fuse_rename_in {
unsigned long newdir;
};
struct fuse_link_in {
unsigned long newdir;
};
struct fuse_setattr_in {
struct fuse_attr attr;
unsigned int valid;
};
struct fuse_open_in {
unsigned int flags;
};
struct fuse_open_out {
unsigned long fh;
unsigned int _open_flags;
};
struct fuse_release_in {
unsigned long fh;
unsigned int flags;
};
struct fuse_flush_in {
unsigned long fh;
unsigned int _nref;
};
struct fuse_read_in {
unsigned long fh;
unsigned long long offset;
unsigned int size;
};
struct fuse_write_in {
int writepage;
unsigned long fh;
unsigned long long offset;
unsigned int size;
};
struct fuse_write_out {
unsigned int size;
};
struct fuse_statfs_out {
struct fuse_kstatfs st;
};
struct fuse_fsync_in {
unsigned long fh;
int datasync;
};
struct fuse_setxattr_in {
unsigned int size;
unsigned int flags;
};
struct fuse_getxattr_in {
unsigned int size;
};
struct fuse_getxattr_out {
unsigned int size;
};
struct fuse_in_header {
int unique;
enum fuse_opcode opcode;
unsigned long nodeid;
unsigned int uid;
unsigned int gid;
unsigned int pid;
};
struct fuse_out_header {
int unique;
int error;
};
struct fuse_user_header {
int unique; /* zero */
enum fuse_opcode opcode;
unsigned long nodeid;
unsigned long ino; /* Needed only on 2.4.x where ino is also
used for inode lookup */
};
struct fuse_dirent {
unsigned long ino;
unsigned short namelen;
unsigned char type;
char name[256];
};
#define FUSE_NAME_OFFSET ((unsigned int) ((struct fuse_dirent *) 0)->name)
#define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(long) - 1) & ~(sizeof(long) - 1))
#define FUSE_DIRENT_SIZE(d) \
FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
/*
* Local Variables:
* indent-tabs-mode: t
* c-basic-offset: 8
* End:
*/
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