05ad761667
When birthtime was added (r253331) we missed adding the weight of the new fields in FUSE_COMPAT_ENTRY_OUT_SIZE and COMPAT_ATTR_OUT_SIZE. Adjust them accordingly. Pointed out by: Jan Beich
451 lines
8.7 KiB
C
451 lines
8.7 KiB
C
/*-
|
|
* This file defines the kernel interface of FUSE
|
|
* Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
|
|
*
|
|
* This program can be distributed under the terms of the GNU GPL.
|
|
* See the file COPYING.
|
|
*
|
|
* This -- and only this -- header file may also be distributed under
|
|
* the terms of the BSD Licence as follows:
|
|
*
|
|
* Copyright (C) 2001-2007 Miklos Szeredi. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* This file defines the kernel interface of FUSE
|
|
*
|
|
* Protocol changelog:
|
|
*
|
|
* 7.9:
|
|
* - new fuse_getattr_in input argument of GETATTR
|
|
* - add lk_flags in fuse_lk_in
|
|
* - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in
|
|
* - add blksize field to fuse_attr
|
|
* - add file flags field to fuse_read_in and fuse_write_in
|
|
*
|
|
* 7.10
|
|
* - add nonseekable open flag
|
|
*/
|
|
|
|
#ifndef _FS_FUSE_FUSE_KERNEL_H_
|
|
#define _FS_FUSE_FUSE_KERNEL_H_
|
|
|
|
#ifndef linux
|
|
#include <sys/types.h>
|
|
#define __u64 uint64_t
|
|
#define __u32 uint32_t
|
|
#define __s32 int32_t
|
|
#else
|
|
#include <linux/types.h>
|
|
#endif
|
|
|
|
/** Version number of this interface */
|
|
#define FUSE_KERNEL_VERSION 7
|
|
|
|
/** Minor version number of this interface */
|
|
#define FUSE_KERNEL_MINOR_VERSION 8
|
|
|
|
/** The node ID of the root inode */
|
|
#define FUSE_ROOT_ID 1
|
|
|
|
/* Make sure all structures are padded to 64bit boundary, so 32bit
|
|
userspace works under 64bit kernels */
|
|
|
|
struct fuse_attr {
|
|
__u64 ino;
|
|
__u64 size;
|
|
__u64 blocks;
|
|
__u64 atime;
|
|
__u64 mtime;
|
|
__u64 ctime;
|
|
__u64 crtime;
|
|
__u32 atimensec;
|
|
__u32 mtimensec;
|
|
__u32 ctimensec;
|
|
__u32 crtimensec;
|
|
__u32 mode;
|
|
__u32 nlink;
|
|
__u32 uid;
|
|
__u32 gid;
|
|
__u32 rdev;
|
|
__u32 blksize;
|
|
};
|
|
|
|
struct fuse_kstatfs {
|
|
__u64 blocks;
|
|
__u64 bfree;
|
|
__u64 bavail;
|
|
__u64 files;
|
|
__u64 ffree;
|
|
__u32 bsize;
|
|
__u32 namelen;
|
|
__u32 frsize;
|
|
__u32 padding;
|
|
__u32 spare[6];
|
|
};
|
|
|
|
struct fuse_file_lock {
|
|
__u64 start;
|
|
__u64 end;
|
|
__u32 type;
|
|
__u32 pid; /* tgid */
|
|
};
|
|
|
|
/**
|
|
* Bitmasks for fuse_setattr_in.valid
|
|
*/
|
|
#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_FH (1 << 6)
|
|
#define FATTR_ATIME_NOW (1 << 7)
|
|
#define FATTR_MTIME_NOW (1 << 8)
|
|
#define FATTR_LOCKOWNER (1 << 9)
|
|
|
|
/**
|
|
* Flags returned by the OPEN request
|
|
*
|
|
* FOPEN_DIRECT_IO: bypass page cache for this open file
|
|
* FOPEN_KEEP_CACHE: don't invalidate the data cache on open
|
|
* FOPEN_NONSEEKABLE: the file is not seekable
|
|
*/
|
|
#define FOPEN_DIRECT_IO (1 << 0)
|
|
#define FOPEN_KEEP_CACHE (1 << 1)
|
|
#define FOPEN_NONSEEKABLE (1 << 2)
|
|
|
|
/**
|
|
* INIT request/reply flags
|
|
*
|
|
* FUSE_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
|
|
*/
|
|
#define FUSE_ASYNC_READ (1 << 0)
|
|
#define FUSE_POSIX_LOCKS (1 << 1)
|
|
#define FUSE_FILE_OPS (1 << 2)
|
|
#define FUSE_ATOMIC_O_TRUNC (1 << 3)
|
|
#define FUSE_EXPORT_SUPPORT (1 << 4)
|
|
#define FUSE_BIG_WRITES (1 << 5)
|
|
|
|
/**
|
|
* Release flags
|
|
*/
|
|
#define FUSE_RELEASE_FLUSH (1 << 0)
|
|
|
|
/**
|
|
* Getattr flags
|
|
*/
|
|
#define FUSE_GETATTR_FH (1 << 0)
|
|
|
|
/**
|
|
* Lock flags
|
|
*/
|
|
#define FUSE_LK_FLOCK (1 << 0)
|
|
|
|
/**
|
|
* WRITE flags
|
|
*
|
|
* FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed
|
|
* FUSE_WRITE_LOCKOWNER: lock_owner field is valid
|
|
*/
|
|
#define FUSE_WRITE_CACHE (1 << 0)
|
|
#define FUSE_WRITE_LOCKOWNER (1 << 1)
|
|
|
|
/**
|
|
* Read flags
|
|
*/
|
|
#define FUSE_READ_LOCKOWNER (1 << 1)
|
|
|
|
enum fuse_opcode {
|
|
FUSE_LOOKUP = 1,
|
|
FUSE_FORGET = 2, /* no reply */
|
|
FUSE_GETATTR = 3,
|
|
FUSE_SETATTR = 4,
|
|
FUSE_READLINK = 5,
|
|
FUSE_SYMLINK = 6,
|
|
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,
|
|
FUSE_FSYNC = 20,
|
|
FUSE_SETXATTR = 21,
|
|
FUSE_GETXATTR = 22,
|
|
FUSE_LISTXATTR = 23,
|
|
FUSE_REMOVEXATTR = 24,
|
|
FUSE_FLUSH = 25,
|
|
FUSE_INIT = 26,
|
|
FUSE_OPENDIR = 27,
|
|
FUSE_READDIR = 28,
|
|
FUSE_RELEASEDIR = 29,
|
|
FUSE_FSYNCDIR = 30,
|
|
FUSE_GETLK = 31,
|
|
FUSE_SETLK = 32,
|
|
FUSE_SETLKW = 33,
|
|
FUSE_ACCESS = 34,
|
|
FUSE_CREATE = 35,
|
|
FUSE_INTERRUPT = 36,
|
|
FUSE_BMAP = 37,
|
|
FUSE_DESTROY = 38,
|
|
};
|
|
|
|
/* The read buffer is required to be at least 8k, but may be much larger */
|
|
#define FUSE_MIN_READ_BUFFER 8192
|
|
|
|
#define FUSE_COMPAT_ENTRY_OUT_SIZE 122
|
|
|
|
struct fuse_entry_out {
|
|
__u64 nodeid; /* Inode ID */
|
|
__u64 generation; /* Inode generation: nodeid:gen must
|
|
be unique for the fs's lifetime */
|
|
__u64 entry_valid; /* Cache timeout for the name */
|
|
__u64 attr_valid; /* Cache timeout for the attributes */
|
|
__u32 entry_valid_nsec;
|
|
__u32 attr_valid_nsec;
|
|
struct fuse_attr attr;
|
|
};
|
|
|
|
struct fuse_forget_in {
|
|
__u64 nlookup;
|
|
};
|
|
|
|
struct fuse_getattr_in {
|
|
__u32 getattr_flags;
|
|
__u32 dummy;
|
|
__u64 fh;
|
|
};
|
|
|
|
#define FUSE_COMPAT_ATTR_OUT_SIZE 98
|
|
|
|
struct fuse_attr_out {
|
|
__u64 attr_valid; /* Cache timeout for the attributes */
|
|
__u32 attr_valid_nsec;
|
|
__u32 dummy;
|
|
struct fuse_attr attr;
|
|
};
|
|
|
|
struct fuse_mknod_in {
|
|
__u32 mode;
|
|
__u32 rdev;
|
|
};
|
|
|
|
struct fuse_mkdir_in {
|
|
__u32 mode;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_rename_in {
|
|
__u64 newdir;
|
|
};
|
|
|
|
struct fuse_link_in {
|
|
__u64 oldnodeid;
|
|
};
|
|
|
|
struct fuse_setattr_in {
|
|
__u32 valid;
|
|
__u32 padding;
|
|
__u64 fh;
|
|
__u64 size;
|
|
__u64 lock_owner;
|
|
__u64 atime;
|
|
__u64 mtime;
|
|
__u64 unused2;
|
|
__u32 atimensec;
|
|
__u32 mtimensec;
|
|
__u32 unused3;
|
|
__u32 mode;
|
|
__u32 unused4;
|
|
__u32 uid;
|
|
__u32 gid;
|
|
__u32 unused5;
|
|
};
|
|
|
|
struct fuse_open_in {
|
|
__u32 flags;
|
|
__u32 mode;
|
|
};
|
|
|
|
struct fuse_open_out {
|
|
__u64 fh;
|
|
__u32 open_flags;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_release_in {
|
|
__u64 fh;
|
|
__u32 flags;
|
|
__u32 release_flags;
|
|
__u64 lock_owner;
|
|
};
|
|
|
|
struct fuse_flush_in {
|
|
__u64 fh;
|
|
__u32 unused;
|
|
__u32 padding;
|
|
__u64 lock_owner;
|
|
};
|
|
|
|
struct fuse_read_in {
|
|
__u64 fh;
|
|
__u64 offset;
|
|
__u32 size;
|
|
__u32 read_flags;
|
|
__u64 lock_owner;
|
|
__u32 flags;
|
|
__u32 padding;
|
|
};
|
|
|
|
#define FUSE_COMPAT_WRITE_IN_SIZE 24
|
|
|
|
struct fuse_write_in {
|
|
__u64 fh;
|
|
__u64 offset;
|
|
__u32 size;
|
|
__u32 write_flags;
|
|
__u64 lock_owner;
|
|
__u32 flags;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_write_out {
|
|
__u32 size;
|
|
__u32 padding;
|
|
};
|
|
|
|
#define FUSE_COMPAT_STATFS_SIZE 48
|
|
|
|
struct fuse_statfs_out {
|
|
struct fuse_kstatfs st;
|
|
};
|
|
|
|
struct fuse_fsync_in {
|
|
__u64 fh;
|
|
__u32 fsync_flags;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_setxattr_in {
|
|
__u32 size;
|
|
__u32 flags;
|
|
};
|
|
|
|
struct fuse_getxattr_in {
|
|
__u32 size;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_getxattr_out {
|
|
__u32 size;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_lk_in {
|
|
__u64 fh;
|
|
__u64 owner;
|
|
struct fuse_file_lock lk;
|
|
__u32 lk_flags;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_lk_out {
|
|
struct fuse_file_lock lk;
|
|
};
|
|
|
|
struct fuse_access_in {
|
|
__u32 mask;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_init_in {
|
|
__u32 major;
|
|
__u32 minor;
|
|
__u32 max_readahead;
|
|
__u32 flags;
|
|
};
|
|
|
|
struct fuse_init_out {
|
|
__u32 major;
|
|
__u32 minor;
|
|
__u32 max_readahead;
|
|
__u32 flags;
|
|
__u32 unused;
|
|
__u32 max_write;
|
|
};
|
|
|
|
struct fuse_interrupt_in {
|
|
__u64 unique;
|
|
};
|
|
|
|
struct fuse_bmap_in {
|
|
__u64 block;
|
|
__u32 blocksize;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_bmap_out {
|
|
__u64 block;
|
|
};
|
|
|
|
struct fuse_in_header {
|
|
__u32 len;
|
|
__u32 opcode;
|
|
__u64 unique;
|
|
__u64 nodeid;
|
|
__u32 uid;
|
|
__u32 gid;
|
|
__u32 pid;
|
|
__u32 padding;
|
|
};
|
|
|
|
struct fuse_out_header {
|
|
__u32 len;
|
|
__s32 error;
|
|
__u64 unique;
|
|
};
|
|
|
|
struct fuse_dirent {
|
|
__u64 ino;
|
|
__u64 off;
|
|
__u32 namelen;
|
|
__u32 type;
|
|
char name[];
|
|
};
|
|
|
|
#define FUSE_NAME_OFFSET offsetof(struct fuse_dirent, name)
|
|
#define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1))
|
|
#define FUSE_DIRENT_SIZE(d) \
|
|
FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
|
|
|
|
#endif /* !_FS_FUSE_FUSE_KERNEL_H_ */
|