/*
FUSE: Filesystem in Userspace
- Copyright (C) 2001-2005 Miklos Szeredi <miklos@szeredi.hu>
+ Copyright (C) 2001-2006 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 */
#include <asm/types.h>
+#include <linux/major.h>
/** Version number of this interface */
#define FUSE_KERNEL_VERSION 7
/** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 1
+#define FUSE_KERNEL_MINOR_VERSION 7
/** The node ID of the root inode */
#define FUSE_ROOT_ID 1
/** The major number of the fuse character device */
-#define FUSE_MAJOR 10
+#define FUSE_MAJOR MISC_MAJOR
/** The minor number of the fuse character device */
#define FUSE_MINOR 229
+/* Make sure all structures are padded to 64bit boundary, so 32bit
+ userspace works under 64bit kernels */
+
struct fuse_attr {
__u64 ino;
__u64 size;
__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_CTIME (1 << 6)
+#define FATTR_FH (1 << 6)
+
+/**
+ * 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
+ */
+#define FOPEN_DIRECT_IO (1 << 0)
+#define FOPEN_KEEP_CACHE (1 << 1)
+
+/**
+ * INIT request/reply flags
+ */
+#define FUSE_ASYNC_READ (1 << 0)
+#define FUSE_POSIX_LOCKS (1 << 1)
enum fuse_opcode {
FUSE_LOOKUP = 1,
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_INIT = 26
+ 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,
};
-/* Conservative buffer size for the client */
-#define FUSE_MAX_IN 8192
-
-#define FUSE_NAME_MAX 1024
-#define FUSE_SYMLINK_MAX 4096
+/* The read buffer is required to be at least 8k, but may be much larger */
+#define FUSE_MIN_READ_BUFFER 8192
struct fuse_entry_out {
__u64 nodeid; /* Inode ID */
struct fuse_attr attr;
};
-struct fuse_getdir_out {
- __u32 fd;
-};
-
struct fuse_mknod_in {
__u32 mode;
__u32 rdev;
struct fuse_mkdir_in {
__u32 mode;
+ __u32 padding;
};
struct fuse_rename_in {
struct fuse_setattr_in {
__u32 valid;
- struct fuse_attr attr;
+ __u32 padding;
+ __u64 fh;
+ __u64 size;
+ __u64 unused1;
+ __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 padding;
+};
+
+struct fuse_flush_in {
+ __u64 fh;
+ __u32 flush_flags;
+ __u32 padding;
+ __u64 lock_owner;
+};
+
+struct fuse_read_in {
+ __u64 fh;
+ __u64 offset;
+ __u32 size;
+ __u32 padding;
+};
+
+struct fuse_write_in {
+ __u64 fh;
+ __u64 offset;
+ __u32 size;
+ __u32 write_flags;
+};
+
+struct fuse_write_out {
+ __u32 size;
+ __u32 padding;
+};
+
+#define FUSE_COMPAT_STATFS_SIZE 48
+
struct fuse_statfs_out {
struct fuse_kstatfs st;
};
-struct fuse_init_in_out {
+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;
+};
+
+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_in_header {
__u32 uid;
__u32 gid;
__u32 pid;
+ __u32 padding;
};
struct fuse_out_header {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff