| /* |
| 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 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 |
| |
| 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, |
| 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) |