| /* |
| FUSE: Filesystem in Userspace |
| Copyright (C) 2001 Miklos Szeredi (mszeredi@inf.bme.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 3 |
| |
| /** Minor version number of this interface */ |
| #define FUSE_KERNEL_MINOR_VERSION 1 |
| |
| /** The inode number of the root indode */ |
| #define FUSE_ROOT_INO 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" |
| |
| /** Data passed to mount */ |
| struct fuse_mount_data { |
| /** The control file descriptor */ |
| int fd; |
| |
| /** The file type of the root inode */ |
| unsigned int rootmode; |
| |
| /** The user ID of the user initiating this mount */ |
| unsigned int uid; |
| |
| /** FUSE specific mount flags */ |
| unsigned int flags; |
| }; |
| |
| /* FUSE mount flags: */ |
| |
| /** If the FUSE_DEFAULT_PERMISSIONS flag is given, the filesystem |
| module will check permissions based on the file mode. Otherwise no |
| permission checking is done in the kernel */ |
| #define FUSE_DEFAULT_PERMISSIONS (1 << 0) |
| |
| /** If the FUSE_ALLOW_OTHER flag is given, then not only the user |
| doing the mount will be allowed to access the filesystem */ |
| #define FUSE_ALLOW_OTHER (1 << 1) |
| |
| /** If the FUSE_KERNEL_CACHE flag is given, then files will be cached |
| until the INVALIDATE operation is invoked */ |
| #define FUSE_KERNEL_CACHE (1 << 2) |
| |
| /** Allow FUSE to combine reads into 64k chunks. This is useful if |
| the filesystem is better at handling large chunks. NOTE: in |
| current implementation the raw throughput is worse for large reads |
| than for small. */ |
| #define FUSE_LARGE_READ (1 << 3) |
| |
| struct fuse_attr { |
| 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, |
| }; |
| |
| /* Conservative buffer size for the client */ |
| #define FUSE_MAX_IN 8192 |
| |
| struct fuse_entry_out { |
| unsigned long ino; /* Inode number */ |
| unsigned long generation; /* Inode generation: ino: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_read_in { |
| unsigned long long offset; |
| unsigned int size; |
| }; |
| |
| struct fuse_write_in { |
| unsigned long long offset; |
| unsigned int size; |
| }; |
| |
| struct fuse_statfs_out { |
| struct fuse_kstatfs st; |
| }; |
| |
| struct fuse_fsync_in { |
| 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 ino; |
| unsigned int uid; |
| unsigned int gid; |
| }; |
| |
| struct fuse_out_header { |
| int unique; |
| int error; |
| }; |
| |
| struct fuse_user_header { |
| int unique; /* zero */ |
| enum fuse_opcode opcode; |
| unsigned long ino; |
| }; |
| |
| 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: |
| */ |