| /* |
| FUSE: Filesystem in Userspace |
| Copyright (C) 2001-2005 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> |
| |
| /** Version number of this interface */ |
| #define FUSE_KERNEL_VERSION 7 |
| |
| /** Minor version number of this interface */ |
| #define FUSE_KERNEL_MINOR_VERSION 2 |
| |
| /** The node ID of the root inode */ |
| #define FUSE_ROOT_ID 1 |
| |
| /** The major number of the fuse character device */ |
| #define FUSE_MAJOR 10 |
| |
| /** 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 blocks; |
| __u64 atime; |
| __u64 mtime; |
| __u64 ctime; |
| __u32 atimensec; |
| __u32 mtimensec; |
| __u32 ctimensec; |
| __u32 mode; |
| __u32 nlink; |
| __u32 uid; |
| __u32 gid; |
| __u32 rdev; |
| }; |
| |
| struct fuse_kstatfs { |
| __u64 blocks; |
| __u64 bfree; |
| __u64 bavail; |
| __u64 files; |
| __u64 ffree; |
| __u32 bsize; |
| __u32 namelen; |
| }; |
| |
| struct fuse_file_lock { |
| __u64 start; |
| __u64 end; |
| __u64 owner; |
| __u32 pid; |
| __u32 type; |
| }; |
| |
| #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 FOPEN_DIRECT_IO (1 << 0) |
| #define FOPEN_KEEP_CACHE (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 |
| }; |
| |
| /* 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 { |
| __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_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; |
| struct fuse_attr attr; |
| }; |
| |
| 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; |
| }; |
| |
| 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; |
| }; |
| |
| 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_out { |
| struct fuse_file_lock lk; |
| }; |
| |
| struct fuse_access_in { |
| __u32 mask; |
| __u32 padding; |
| }; |
| |
| struct fuse_init_in_out { |
| __u32 major; |
| __u32 minor; |
| }; |
| |
| 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[0]; |
| }; |
| |
| #define FUSE_NAME_OFFSET ((unsigned) ((struct fuse_dirent *) 0)->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) |